/* ============================================================
   GUERRILLA BRAIN — V7 KINETIC
   Cognitive studio · Firenze · 2026
   Refined ink/paper system, pushed on motion + technique.
   Type: Switzer (self-hosted) + IBM Plex Mono.
   ============================================================ */

@font-face { font-family: "Switzer"; src: url("assets/fonts/switzer-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Switzer"; src: url("assets/fonts/switzer-500.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Switzer"; src: url("assets/fonts/switzer-600.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Switzer"; src: url("assets/fonts/switzer-700.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Switzer"; src: url("assets/fonts/switzer-800.woff2") format("woff2"); font-weight: 800; font-style: normal; font-display: swap; }
@font-face { font-family: "Switzer"; src: url("assets/fonts/switzer-900.woff2") format("woff2"); font-weight: 900; font-style: normal; font-display: swap; }

:root {
  /* Palette */
  --ink: #0B0B0B;
  --ink-2: #151515;
  --ink-3: #1e1e1e;
  --paper: #FBFBFA;
  --paper-2: #F2F2EF;
  --steel: #6C6C6C;
  --mist: #A4A4A2;
  --hairline: #E5E5E2;
  --hairline-d: rgba(255,255,255,.12);
  --signal: var(--ink);      /* mono accent — flips to paper inside dark containers */
  --signal-soft: rgba(11,11,11,.06);

  --paper-rgb: 251,251,250;
  --ink-rgb: 11,11,11;

  /* Metrics */
  --header-h: 88px;
  --rail-w: 92px;
  --edge: clamp(20px, 5vw, 80px);
  --maxw: 1180px;            /* centered content column — creates intentional side voids */
  --radius: 0px;

  /* Motion */
  --ease-cine: cubic-bezier(.19,.86,.22,1);
  --ease-soft: cubic-bezier(.25,.7,.2,1);
  --ease-io: cubic-bezier(.65,0,.35,1);

  /* Live vars driven by JS */
  --scroll: 0;
  --pointer-x: 50%;
  --pointer-y: 50%;
  --tilt-x: 0deg;
  --tilt-y: 0deg;
}

/* mono accent flips to paper inside any dark container */
.section.dark, .hero, .depth, .hscroll, .footer, .manifesto, .ipage-hero,
[data-fg="dark"], .internal-dark, .system-stack, .statement-section, .verification-chain, .growth-field, .asset-explorer, .boot { --signal: var(--paper); }

* { box-sizing: border-box; }
html {
  background: var(--paper);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
html.js { scroll-behavior: auto; }           /* JS drives smoothness where needed */
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Switzer", "Segoe UI", Arial, sans-serif;
  font-weight: 400;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* Continuous morphing background (color set by JS bgFlow) */
.bg-flow { position: fixed; inset: 0; z-index: -2; background: #060607; }
/* Internal pages don't use the flow — restore solid backgrounds */
body.internal { background: var(--paper); }
body.internal .section.dark,
body.internal .footer { background: var(--ink); }
body.lock { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, svg, video, canvas { display: block; max-width: 100%; }
h1,h2,h3,h4 { font-weight: 300; margin: 0; letter-spacing: -.01em; }
p { margin: 0; }
::selection { background: var(--ink); color: var(--paper); }

.mono {
  font-family: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: 11px;
}

.noscript {
  position: fixed; inset: 0; z-index: 99999; display: grid; place-items: center;
  background: var(--paper); color: var(--ink); padding: 24px; text-align: center;
}

/* ============================================================
   AMBIENT LAYERS
   ============================================================ */
.grain {
  position: fixed; inset: -40%; z-index: 1200; pointer-events: none;
  opacity: .018; mix-blend-mode: overlay;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(0,0,0,.5) 0 .5px, transparent .9px),
    radial-gradient(circle at 70% 65%, rgba(0,0,0,.4) 0 .4px, transparent .9px);
  background-size: 4px 4px, 5px 5px;
  animation: grain .3s steps(2) infinite;
}
@keyframes grain {
  0%{transform:translate3d(0,0,0)} 25%{transform:translate3d(1.4%,-1%,0)}
  50%{transform:translate3d(-1%,1.4%,0)} 75%{transform:translate3d(.6%,.5%,0)}
  100%{transform:translate3d(0,0,0)}
}

.vignette {
  position: fixed; inset: 0; z-index: 1150; pointer-events: none; opacity: 0;
  transition: opacity .8s var(--ease-soft);
  background: radial-gradient(120% 90% at 50% 40%, transparent 55%, rgba(0,0,0,.28) 100%);
}
body.on-dark .vignette { opacity: 1; }

/* Custom cursor */
.cursor, .cursor-ring {
  position: fixed; left: 0; top: 0; z-index: 1600; pointer-events: none;
  border-radius: 50%; transform: translate(-50%,-50%);
  mix-blend-mode: difference;
}
.cursor { width: 6px; height: 6px; background: #fff; }
.cursor-ring {
  width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.6);
  transition: width .25s var(--ease-soft), height .25s var(--ease-soft),
              border-color .25s, background .25s, opacity .3s;
}
body.cursor-hover .cursor-ring { width: 62px; height: 62px; border-color: #fff; }
body.cursor-hide .cursor, body.cursor-hide .cursor-ring { opacity: 0; }
@media (hover: none), (pointer: coarse) {
  .cursor, .cursor-ring { display: none; }
}

/* Top scroll progress */
.scan-progress {
  position: fixed; left: 0; top: 0; height: 2px; width: 100%; z-index: 1300;
  background: transparent; pointer-events: none;
}
.scan-progress i {
  display: block; height: 100%; width: 100%;
  transform: scaleX(var(--scroll)); transform-origin: 0 50%;
  background: var(--ink);
}
body.on-dark .scan-progress i { background: var(--paper); }

/* Page transition curtain */
.transition {
  position: fixed; inset: 0; z-index: 1800; pointer-events: none;
  background: var(--ink); opacity: 0; will-change: opacity;
}
.transition span { display: none; }
.transition.in { animation: fadeCover .6s ease forwards; }
.transition.out { animation: fadeReveal .7s ease forwards; }
@keyframes fadeCover { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeReveal { from { opacity: 1; } to { opacity: 0; } }

.transition-label {
  position: fixed; inset: 0; z-index: 1810; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px;
  color: var(--paper); opacity: 0; pointer-events: none; text-align: center; padding: 0 var(--edge);
}
.transition-label .tl-mark { width: 42px; height: 42px; opacity: .9; animation: tlSpin 7s linear infinite; }
.transition-label .tl-name { font-family: "Switzer", Arial, sans-serif; text-transform: none; letter-spacing: -.02em; font-size: clamp(34px, 6.5vw, 92px); font-weight: 700; line-height: 1; }
.transition-label .tl-bar { width: 128px; height: 1px; background: rgba(255,255,255,.18); overflow: hidden; }
.transition-label .tl-bar b { display: block; height: 100%; width: 100%; background: var(--paper); transform: scaleX(0); transform-origin: left; }
.transition-label.show { animation: tlabel .8s cubic-bezier(.62,.02,.3,1) .28s forwards; }
.transition-label.show .tl-bar b { animation: tlBar .55s linear .28s forwards; }
@keyframes tlSpin { to { transform: rotate(360deg); } }
@keyframes tlBar { to { transform: scaleX(1); } }
@keyframes tlabel { 0% { opacity: 0; transform: translateY(30px); } 45% { opacity: 1; transform: none; } 100% { opacity: 1; transform: none; } }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed; top: 0; left: 0; right: 0; height: var(--header-h); z-index: 1000;
  display: flex; align-items: center; gap: 24px;
  padding: 0 var(--edge); color: var(--ink);
  transition: transform .5s var(--ease-cine), background .5s, backdrop-filter .5s, color .3s, border-color .5s;
  border-bottom: 1px solid transparent;
}
.header.hidden { transform: translateY(-100%); }
.header.solid {
  background: rgba(var(--paper-rgb), .72);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom-color: var(--hairline);
}
body.on-dark .header.solid {
  background: rgba(var(--ink-rgb), .55);
  border-bottom-color: var(--hairline-d);
}
body.on-dark .header { color: var(--paper); }

.wordmark {
  font-weight: 300; letter-spacing: .34em; font-size: 15px;
  white-space: nowrap; position: relative; display: inline-flex; align-items: center; gap: .34em;
  transition: letter-spacing .5s var(--ease-cine);
}
.wordmark:hover { letter-spacing: .46em; }
.wordmark b { font-weight: 500; letter-spacing: .34em; }
.wordmark .dot {
  width: 5px; height: 5px; background: currentColor; align-self: center;
}

.nav { margin-left: auto; display: flex; gap: 4px; align-items: center; }
.nav a {
  position: relative; padding: 10px 16px; font-size: 13.5px; letter-spacing: .02em;
  color: var(--steel); transition: color .3s;
}
body.on-dark .nav a { color: var(--mist); }
.nav a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 6px; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: 0 50%;
  transition: transform .4s var(--ease-cine);
}
.nav a:hover, .nav a.active { color: currentColor; }
body:not(.on-dark) .nav a:hover, body:not(.on-dark) .nav a.active { color: var(--ink); }
body.on-dark .nav a:hover, body.on-dark .nav a.active { color: var(--paper); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }

.cta {
  display: inline-flex; align-items: center; gap: 12px; padding: 11px 20px;
  border: 1px solid currentColor; border-radius: 0; font-size: 13px; letter-spacing: .04em;
  position: relative; overflow: hidden; transition: color .4s;
}
.cta span { position: relative; z-index: 2; }
.cta i {
  position: relative; z-index: 2; width: 5px; height: 5px;
  background: currentColor; transition: transform .4s;
}
.cta::before {
  content: ""; position: absolute; inset: 0; background: var(--ink);
  transform: scale(0); transform-origin: 50% 120%; transition: transform .5s var(--ease-cine);
}
body.on-dark .cta::before { background: var(--paper); }
.cta:hover { color: var(--paper); }
body.on-dark .cta:hover { color: var(--ink); }
.cta:hover::before { transform: scale(1.1); }
.cta:hover i { transform: scale(1.4); }

.burger { display: none; margin-left: 8px; width: 40px; height: 40px; position: relative; }
.burger span {
  position: absolute; left: 9px; right: 9px; height: 1.5px; background: currentColor;
  transition: transform .4s var(--ease-cine), opacity .3s;
}
.burger span:nth-child(1){ top: 15px; } .burger span:nth-child(2){ bottom: 15px; }
body.menu-open .burger span:nth-child(1){ transform: translateY(5px) rotate(45deg); }
body.menu-open .burger span:nth-child(2){ transform: translateY(-5px) rotate(-45deg); }

/* ============================================================
   SIDE RAIL (section index)
   ============================================================ */
.rail {
  position: fixed; left: 0; top: 0; bottom: 0; width: var(--rail-w); z-index: 900;
  display: flex; flex-direction: column; justify-content: center; gap: 2px;
  padding: 0 0 0 var(--edge); pointer-events: none;
  mix-blend-mode: difference; color: #fff;
}
.rail a {
  pointer-events: auto; display: flex; align-items: center; gap: 10px;
  font-size: 10px; letter-spacing: .1em; opacity: .5; transition: opacity .4s;
  padding: 5px 0; text-transform: uppercase; font-family: "IBM Plex Mono", monospace;
}
.rail a b { font-weight: 500; }
.rail a span {
  max-width: 0; overflow: hidden; white-space: nowrap; opacity: 0;
  transition: max-width .5s var(--ease-cine), opacity .4s;
}
.rail a::before {
  content: ""; width: 14px; height: 1px; background: currentColor; transition: width .4s var(--ease-cine);
}
.rail a:hover, .rail a.active { opacity: 1; }
.rail a.active::before, .rail a:hover::before { width: 26px; }
.rail a.active span, .rail a:hover span { max-width: 120px; opacity: 1; }
@media (max-width: 1180px){ .rail { display: none; } }

/* ============================================================
   GUIDE LINE — chapter spine (replaces the numeric rail)
   ============================================================ */
.spine { position: fixed; left: clamp(16px, 3vw, 42px); top: 50%; transform: translateY(-50%); z-index: 900;
  pointer-events: none; mix-blend-mode: difference; color: #fff; }
.spine-nav { position: relative; display: grid; gap: 22px; }
.spine-nav::before { content: ""; position: absolute; left: 3px; top: 6px; bottom: 6px; width: 1px; background: rgba(255,255,255,.3); }
.spine-fill { position: absolute; left: 3px; top: 6px; width: 1px; height: calc(100% - 12px); background: #fff; transform: scaleY(0); transform-origin: 50% 0; }
.spine-nav a { pointer-events: auto; display: flex; align-items: center; gap: 15px; position: relative; height: 7px; }
.spine-nav a em { flex: 0 0 auto; width: 7px; height: 7px; border: 1px solid #fff; background: transparent; position: relative; z-index: 2; transition: background .3s var(--ease-soft), transform .3s var(--ease-soft); }
.spine-nav a b { font-family: "IBM Plex Mono", monospace; font-size: 9.5px; letter-spacing: .18em; text-transform: uppercase; font-weight: 400; white-space: nowrap; opacity: 0; transform: translateX(-6px); transition: opacity .4s, transform .4s; }
.spine-nav a.active em { background: #fff; transform: scale(1.3); }
.spine-nav a.active b, .spine-nav a:hover b { opacity: 1; transform: none; }
@media (max-width: 1180px){ .spine { display: none; } }

/* ============================================================
   GOS — ambient cognitive system (Jarvis-like presence)
   ============================================================ */
.gos { position: fixed; left: var(--edge); bottom: 22px; z-index: 950; display: flex; align-items: center; gap: 14px;
  max-width: min(52vw, 500px); mix-blend-mode: difference; color: #fff; pointer-events: none;
  opacity: 0; transform: translateY(10px); transition: opacity .8s var(--ease-cine), transform .8s var(--ease-cine); }
.gos.live { opacity: 1; transform: none; }
.gos-core { width: 46px; height: 46px; flex: 0 0 auto; pointer-events: auto; cursor: pointer; padding: 0; background: none; border: 0; }
.gos-core canvas { width: 100%; height: 100%; display: block; }
.gos-stream { display: grid; gap: 3px; overflow: hidden; transition: opacity .4s, max-width .6s var(--ease-cine); max-width: 460px; }
.gos-tag { font-size: 9px; letter-spacing: .2em; opacity: .62; }
.gos-msg { font-size: 12px; letter-spacing: .03em; line-height: 1.35; min-height: 1.35em; }
.gos-msg::after { content: "▊"; margin-left: 2px; opacity: .7; animation: gosCaret 1s steps(2) infinite; }
@keyframes gosCaret { 50% { opacity: 0; } }
.gos-action { pointer-events: auto; cursor: pointer; color: #fff; font-size: 11px; letter-spacing: .06em; width: -moz-fit-content; width: fit-content; border-bottom: 1px solid currentColor; padding-bottom: 2px; margin-top: 4px; }
.gos-action[hidden] { display: none; }
.gos-status { pointer-events: none; display: grid; gap: 3px; font-size: 9px; letter-spacing: .14em; opacity: 0; max-height: 0; overflow: hidden; transition: opacity .4s, max-height .5s var(--ease-cine), margin-top .4s; }
.gos-status b { color: #fff; }
.gos.open .gos-status { opacity: .82; max-height: 90px; margin-top: 8px; }
@media (max-width: 720px){ .gos-stream { display: none; } .gos { left: 16px; bottom: 16px; } }

/* ============================================================
   FULLSCREEN MENU
   ============================================================ */
.menu {
  position: fixed; inset: 0; z-index: 1500; background: var(--ink); color: var(--paper);
  clip-path: circle(0% at calc(100% - 44px) 40px);
  transition: clip-path .85s var(--ease-cine);
  display: grid; grid-template-rows: 1fr auto;
  padding: calc(var(--header-h) + 30px) var(--edge) max(34px, env(safe-area-inset-bottom));
  pointer-events: none; overflow: hidden;
}
body.menu-open .menu { clip-path: circle(155% at calc(100% - 44px) 40px); pointer-events: auto; }
.menu-grid {
  position: absolute; inset: 0; opacity: .35; pointer-events: none;
  background-image: linear-gradient(var(--hairline-d) 1px, transparent 1px),
                    linear-gradient(90deg, var(--hairline-d) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(78% 78% at 82% 18%, #000, transparent);
}
.menu::before {
  content: ""; position: absolute; right: -14%; bottom: -18%; width: min(74vw, 640px); aspect-ratio: 1;
  background: url("/assets/logo-mark.png?v=2") center / contain no-repeat; opacity: .045; pointer-events: none;
  animation: menuSpin 75s linear infinite;
}
@keyframes menuSpin { to { transform: rotate(360deg); } }

.menu-links { display: flex; flex-direction: column; justify-content: center; position: relative; z-index: 2; }
.menu-links a {
  display: flex; align-items: center; gap: clamp(16px, 4vw, 34px); padding: clamp(9px, 1.5vh, 17px) 0;
  font-family: "Switzer", Arial, sans-serif; font-size: clamp(30px, 8vw, 66px); font-weight: 300; line-height: 1; letter-spacing: -.02em;
  color: rgba(255,255,255,.42); border-top: 1px solid rgba(255,255,255,.09);
  opacity: 0; transform: translateX(-26px);
  transition: color .4s, transform .55s var(--ease-cine);
}
.menu-links a:first-child { border-top: 0; }
.menu-links a > span { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: var(--mist); flex: 0 0 auto; transition: color .4s; }
.menu-links a::after { content: "→"; margin-left: auto; font-size: .42em; color: var(--mist); opacity: 0; transform: translateX(-12px); transition: opacity .35s, transform .35s; }
.menu-links a:hover, .menu-links a.current { color: var(--paper); }
.menu-links a:hover::after, .menu-links a.current::after { opacity: 1; transform: none; }
.menu-links a:hover > span, .menu-links a.current > span { color: var(--paper); }
body.menu-open .menu-links a { opacity: 1; transform: none; transition: color .4s, opacity .6s var(--ease-cine), transform .6s var(--ease-cine); }
body.menu-open .menu-links a:nth-child(1){transition-delay:.14s}
body.menu-open .menu-links a:nth-child(2){transition-delay:.19s}
body.menu-open .menu-links a:nth-child(3){transition-delay:.24s}
body.menu-open .menu-links a:nth-child(4){transition-delay:.29s}
body.menu-open .menu-links a:nth-child(5){transition-delay:.34s}
body.menu-open .menu-links a:nth-child(6){transition-delay:.39s}
body.menu-open .menu-links a:nth-child(7){transition-delay:.44s}

.menu-foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 18px; flex-wrap: wrap; position: relative; z-index: 2;
  opacity: 0; transform: translateY(10px); transition: opacity .5s .34s, transform .5s .34s; }
body.menu-open .menu-foot { opacity: 1; transform: none; }
.menu-lang { display: flex; align-items: center; gap: 9px; font-size: 14px; letter-spacing: .12em; }
.menu-lang b { color: var(--paper); font-weight: 500; }
.menu-lang > span { color: var(--mist); opacity: .5; }
.menu-lang a { color: var(--mist); border: 0; transition: color .25s; }
.menu-lang a:hover { color: var(--paper); }
.menu-meta { display: flex; flex-direction: column; gap: 4px; text-align: right; font-size: 11px; letter-spacing: .05em; color: var(--mist); }
.menu-meta a { color: var(--mist); border: 0; transition: color .25s; }
.menu-meta a:hover { color: var(--paper); }

/* Menu close */
.menu-close {
  position: absolute; top: calc((var(--header-h) - 18px) / 2); right: var(--edge); z-index: 4;
  display: inline-flex; align-items: center; gap: 11px; color: var(--mist);
  font-size: 11px; letter-spacing: .22em; cursor: pointer; transition: color .25s;
}
.menu-close:hover { color: var(--paper); }
.menu-close .mc-x { position: relative; width: 18px; height: 18px; display: inline-block; }
.menu-close .mc-x::before, .menu-close .mc-x::after {
  content: ""; position: absolute; top: 50%; left: 0; width: 100%; height: 1.4px; background: currentColor;
}
.menu-close .mc-x::before { transform: rotate(45deg); }
.menu-close .mc-x::after { transform: rotate(-45deg); }

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.kicker {
  display: inline-flex; align-items: center; gap: 12px; color: var(--steel);
  margin-bottom: 26px;
}
.kicker::before { content: ""; width: 34px; height: 1px; background: currentColor; opacity: .6; }
body.on-dark .kicker { color: var(--mist); }

.display {
  font-size: clamp(38px, 6.4vw, 108px); line-height: .98; font-weight: 300; letter-spacing: -.02em;
}
.display .muted { color: var(--mist); }
.h2 { font-size: clamp(30px, 4.6vw, 68px); line-height: 1.02; }
.lead { font-size: clamp(17px, 1.6vw, 22px); color: var(--steel); font-weight: 400; max-width: 46ch; }
body.on-dark .lead { color: var(--mist); }

/* Line reveal (split text) — pad the mask so descenders (g, p, q) aren't clipped */
.line-mask { display: block; overflow: hidden; padding-bottom: .2em; margin-bottom: -.2em; }
.line-mask > span { display: block; transform: translateY(122%); transition: transform 1.1s var(--ease-cine); }
.reveal-in .line-mask > span,
.line-mask.in > span { transform: translateY(0); }
.line-mask:nth-child(2) > span { transition-delay: .06s; }
.line-mask:nth-child(3) > span { transition-delay: .12s; }
.line-mask:nth-child(4) > span { transition-delay: .18s; }

/* Generic reveal */
[data-reveal] { opacity: 0; transform: translateY(46px); transition: opacity 1.05s var(--ease-cine), transform 1.05s var(--ease-cine); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal="fade"] { transform: none; }
[data-reveal="scale"] { transform: scale(.94); }
[data-reveal="scale"].in { transform: none; }

/* ============================================================
   SECTION SHELLS
   ============================================================ */
.section { position: relative; padding-block: clamp(64px, 10vh, 128px);
  padding-inline: max(var(--edge), calc((100% - var(--maxw)) / 2)); }
.section.dark { background: var(--ink); color: var(--paper); }
.section.dark .lead { color: var(--mist); }
.section-num {
  position: absolute; top: clamp(48px, 8vh, 90px);
  right: max(var(--edge), calc((100% - var(--maxw)) / 2)); font-family: "IBM Plex Mono", monospace;
  font-size: 12px; letter-spacing: .2em; color: var(--mist);
}

main { position: relative; }

/* Field canvas background (particle network) */
.field {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .9;
}
.field + * { position: relative; z-index: 1; }

/* ============================================================
   BOOT
   ============================================================ */
.boot {
  position: fixed; inset: 0; z-index: 2000; background: #060607; color: var(--paper);
  display: grid; place-items: center; overflow: hidden;
  transition: opacity .9s var(--ease-cine), visibility .9s;
}
.boot.done { opacity: 0; visibility: hidden; }
.boot-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(60% 60% at 50% 50%, #000, transparent);
}
.boot-core { position: relative; width: 160px; color: var(--paper); opacity: 0; animation: bootCore 1.4s .1s var(--ease-cine) forwards; }
.boot-core img { width: 100%; }
.boot-orbit { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); border: 1px solid rgba(255,255,255,.14); border-radius: 50%; }
.boot-orbit.a { width: 280px; height: 280px; animation: spin 3s linear infinite; }
.boot-orbit.b { width: 420px; height: 420px; border-style: dashed; animation: spin 5s linear reverse infinite; }
.boot-orbit .sat { position: absolute; top: -4px; left: 50%; width: 6px; height: 6px; background: var(--paper); }
.boot-copy { position: absolute; left: var(--edge); bottom: 12vh; display: grid; gap: 16px; }
.boot-copy .mono { color: var(--mist); }
.boot-copy strong { font-size: clamp(22px, 3.4vw, 52px); font-weight: 300; overflow: hidden; }
.boot-copy strong span { display: inline-block; transform: translateY(110%); animation: bootText .9s .5s var(--ease-cine) forwards; }
.boot-status { position: absolute; right: var(--edge); top: 10vh; display: flex; gap: 20px; color: var(--mist); font-size: 9px; }
.boot-bar { position: absolute; left: var(--edge); right: var(--edge); bottom: 6vh; height: 1px; background: rgba(255,255,255,.14); overflow: hidden; }
.boot-bar i { display: block; height: 100%; width: 0; background: var(--paper); animation: bootBar 2s .1s var(--ease-cine) forwards; }
.boot-pct { position: absolute; right: var(--edge); bottom: calc(6vh + 12px); font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--mist); }
@keyframes bootCore { from { opacity: 0; transform: scale(.8); } to { opacity: 1; transform: scale(1); } }
@keyframes spin { to { transform: translate(-50%,-50%) rotate(360deg); } }
@keyframes bootText { to { transform: none; } }
@keyframes bootBar { to { width: 100%; } }

/* ============================================================
   HERO (home) — cognitive chamber
   ============================================================ */
.hero { position: relative; height: 118vh; color: var(--paper); }
.hero-pin { position: sticky; top: 0; height: 100svh; min-height: 600px; overflow: hidden; }

/* film behind the knockout plate */
.hero-media { position: absolute; inset: 0; z-index: 0; transform: scale(calc(1.03 + var(--p,0) * 0.12)); transform-origin: 50% 42%; will-change: transform;
  opacity: 1; }
.hero-media video { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.55) brightness(1.35); }
/* lift the darker regions of the film so every letter reads, with a faint brand tint */
.hero-media::after { content: ""; position: absolute; inset: 0; pointer-events: none; mix-blend-mode: screen; opacity: .55;
  background: radial-gradient(90% 75% at 50% 44%, rgba(210,212,216,.5), rgba(70,72,78,.25) 55%, transparent 78%); }

/* halftone dithering over the film (Aspen-style print texture) */
.halftone { position: absolute; inset: 0; pointer-events: none; mix-blend-mode: multiply; opacity: .32;
  background-image: radial-gradient(circle, #000 0 28%, transparent 32%);
  background-size: 5px 5px; }

/* ink plate with the wordmark punched out -> film shows through the letters */
.hero-knockout { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%;
  transform: scale(calc(1 + var(--p,0) * 0.06)); transform-origin: 50% 42%;
  opacity: calc(1 - var(--p,0) * 1.25); }

/* home hero: full-bleed city film (darker) + reduced wordmark on top */
#home .hero-media video { filter: grayscale(1) contrast(1.2) brightness(.7); }
#home .hero-media::after { display: none; }
.hero-scrim { position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(120% 95% at 50% 42%, rgba(5,5,6,.26), rgba(5,5,6,.6) 60%, rgba(5,5,6,.86)),
    linear-gradient(to bottom, rgba(5,5,6,.5), rgba(5,5,6,.12) 26%, rgba(5,5,6,.72));
  opacity: calc(1 - var(--p,0) * .6); }
.hero-center { position: absolute; z-index: 2; inset: 0; display: grid; align-content: center; justify-items: center;
  gap: clamp(20px, 3vh, 30px); padding: 0 var(--edge); text-align: center;
  opacity: calc(1 - var(--p,0) * 0.7); }
.hero-wordmark { font-family: "Switzer", Arial, sans-serif; font-weight: 700; color: var(--paper);
  line-height: 1; letter-spacing: -.01em; white-space: nowrap; font-size: clamp(27px, 8.2vw, 100px); }

.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* sub content under the wordmark */
.hero-sub { position: absolute; z-index: 2; left: 0; right: 0; bottom: clamp(84px, 14vh, 140px);
  display: grid; justify-items: center; gap: 24px; padding: 0 var(--edge); text-align: center;
  transform: translateY(calc(var(--p,0) * 5vh)); opacity: calc(1 - var(--p,0) * 1.7); }
.hero-tag { color: var(--mist); letter-spacing: .24em; font-size: 11px; max-width: 60ch; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

/* HUD corner instrument labels (HackFirst / Aspen) */
.hero-hud { position: absolute; inset: 0; z-index: 3; pointer-events: none; color: var(--mist); font-size: 10px; letter-spacing: .16em; opacity: calc(1 - var(--p,0) * 2); }
.hero-hud span { position: absolute; white-space: nowrap; }
.hero-hud b { color: var(--paper); font-weight: 500; }
.hud-tl { top: calc(var(--header-h) + 6px); left: var(--edge); }
.hud-tr { top: calc(var(--header-h) + 6px); right: var(--edge); }
.hud-bl { bottom: 30px; left: var(--edge); }
.hud-br { bottom: 30px; right: var(--edge); }
@media (max-width: 640px){ .hud-tr, .hud-br { display: none; } }

.btn {
  display: inline-flex; align-items: center; gap: 14px; padding: 17px 30px; border-radius: 0;
  font-size: 14px; letter-spacing: .04em; text-transform: uppercase; position: relative; overflow: hidden;
  background: var(--paper); color: var(--ink); transition: transform .5s var(--ease-cine);
}
.btn i { transition: transform .4s var(--ease-cine); }
.btn::before { content:""; position:absolute; inset:0; background: var(--ink); transform: translateY(101%); transition: transform .5s var(--ease-cine); }
.btn span, .btn i { position: relative; z-index: 2; }
.btn:hover { color: var(--paper); }
.btn:hover::before { transform: translateY(0); }
.btn:hover i { transform: translateX(6px); }
.btn.ghost { background: transparent; color: var(--paper); border: 1px solid rgba(255,255,255,.4); }
.btn.ghost::before { background: var(--paper); }
.btn.ghost:hover { color: var(--ink); }

.hero-cue { position: absolute; bottom: 40px; left: 50%; z-index: 3; flex-direction: column-reverse; gap: 12px;
  transform: translateX(-50%); opacity: calc(1 - var(--p,0) * 3.5); }

/* ============================================================
   STATEMENT — word-by-word reveal
   ============================================================ */
.statement { min-height: 108vh; display: grid; place-items: center; padding: 0 var(--edge); position: relative; z-index: 2; background: var(--paper); }
.big-words {
  max-width: 20ch; text-align: center; font-weight: 300; letter-spacing: -.02em; line-height: 1.08;
  font-size: clamp(30px, 5.4vw, 82px); color: var(--ink);
}
.big-words .word { display: inline-block; opacity: .14; transition: opacity .25s linear; }

.statement-inner { display: grid; justify-items: center; text-align: center; gap: clamp(18px, 3vh, 30px); max-width: 1040px; }
.statement-inner .big-words { max-width: 26ch; }
.statement-kicker { color: var(--mist); letter-spacing: .2em; }
.statement-sub { max-width: 60ch; color: var(--steel); font-size: clamp(16px, 1.5vw, 20px); line-height: 1.6; }
.statement-problem { max-width: 30ch; color: var(--ink); font-weight: 300; letter-spacing: -.01em; line-height: 1.24; font-size: clamp(19px, 2.2vw, 30px); }
.statement-bridge { color: var(--mist); letter-spacing: .1em; margin-top: 2px; }

/* TRANSFORM — BISOGNO → MODELLO → CAPACITÀ (animated flow) */
.tf-flow { margin-top: clamp(30px, 5.5vh, 60px); }
.tf-flow-svg { width: 100%; height: auto; display: block; color: var(--ink); overflow: visible; }
.tf-col-h { font-family: var(--mono); font-size: 15px; letter-spacing: .22em; fill: var(--steel); }
.tf-links .ad-link { stroke: var(--ink); stroke-width: 1.1; opacity: .26; }
.tf-node rect { fill: none; stroke: var(--hairline); stroke-width: 1.2; transition: stroke .3s, fill .3s; }
.tf-node-out rect { stroke: var(--ink); }
.tf-node-t { fill: var(--ink); font-size: 18px; font-weight: 300; letter-spacing: -.005em; }
.tf-ix { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; fill: var(--steel); }
.tf-core-halo { fill: none; stroke: var(--ink); stroke-width: 1; opacity: .16; animation: tfHalo 3.6s var(--ease-cine, ease-in-out) infinite; transform-box: fill-box; transform-origin: center; }
.tf-core-c { fill: var(--paper); stroke: var(--ink); stroke-width: 1.6; }
.tf-core-l { font-family: var(--mono); font-size: 20px; letter-spacing: .16em; fill: var(--ink); font-weight: 500; }
.tf-core-s { font-family: var(--mono); font-size: 14px; letter-spacing: .08em; fill: var(--steel); }
.ad-pulse-dot { fill: var(--ink); }
@keyframes tfHalo { 0%, 100% { transform: scale(1); opacity: .16; } 50% { transform: scale(1.08); opacity: .04; } }
.tf-flow-note { max-width: 66ch; margin: clamp(26px, 4vh, 44px) auto 0; text-align: center; color: var(--steel); letter-spacing: .02em; line-height: 1.6; font-size: 12px; }

.tf-flow-mobile { display: none; }
@media (max-width: 760px) {
  .tf-flow-svg { display: none; }
  .tf-flow-mobile { display: block; }
  .tfm-head { display: flex; justify-content: space-between; font-size: 10px; letter-spacing: .22em; color: var(--steel); padding-bottom: 8px; border-bottom: 1px solid var(--ink); }
  .tfm-row { display: grid; grid-template-columns: auto 1fr; grid-template-areas: "ix need" "ix arw" "ix cap"; column-gap: 14px; row-gap: 6px; padding: 18px 0; border-bottom: 1px solid var(--hairline); }
  .tfm-row > b { grid-area: ix; font-size: 12px; color: var(--steel); padding-top: 2px; }
  .tfm-need { grid-area: need; margin: 0; color: var(--steel); font-size: 15px; line-height: 1.3; }
  .tfm-arw { grid-area: arw; color: var(--ink); font-size: 15px; line-height: 1; }
  .tfm-cap { grid-area: cap; margin: 0; color: var(--ink); font-size: 16px; line-height: 1.3; }
  .tf-flow-note { text-align: left; margin-top: 22px; }
}

.scroll-cue { display: inline-flex; align-items: center; gap: 12px; color: var(--mist); font-size: 10px; }
.scroll-cue i { width: 1px; height: 34px; background: linear-gradient(var(--mist), transparent); position: relative; overflow: hidden; }
.scroll-cue i::after { content: ""; position: absolute; top: -34px; left: 0; width: 100%; height: 34px; background: var(--paper); animation: cue 1.8s var(--ease-cine) infinite; }
@keyframes cue { to { top: 34px; } }

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee { overflow: hidden; border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); padding: 20px 0; background: transparent; }
.marquee.dark { color: var(--paper); border-color: var(--hairline-d); }
.marquee-track { display: flex; gap: 40px; width: max-content; animation: marquee 40s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-size: clamp(20px, 3vw, 44px); font-weight: 300; letter-spacing: .02em; display: inline-flex; align-items: center; gap: 40px; color: var(--steel); }
.marquee-track span::after { content: "◆"; font-size: .5em; color: var(--mist); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============================================================
   STUDIO / ESSENCE
   ============================================================ */
.split-head { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: end; margin-bottom: 80px; }
@media (max-width: 860px){ .split-head { grid-template-columns: 1fr; gap: 30px; } }

.essence { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); }
.section.dark .essence { background: var(--hairline-d); border-color: var(--hairline-d); }
@media (max-width: 980px){ .essence { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .essence { grid-template-columns: 1fr; } }
.essence-item { background: var(--paper); padding: 40px 32px 48px; min-height: 320px; display: flex; flex-direction: column; position: relative; overflow: hidden; transition: background .5s; }
.section.dark .essence-item { background: var(--ink); }
.essence-item::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; background: var(--ink); transform: scaleX(0); transform-origin: 0 50%; transition: transform .6s var(--ease-cine); }
.section.dark .essence-item::after { background: var(--paper); }
.essence-item:hover::after { transform: scaleX(1); }
.essence-glyph { width: 46px; height: 46px; border: 1px solid currentColor; border-radius: 50%; display: grid; place-items: center; margin-bottom: auto; color: var(--steel); font-size: 20px; transition: transform .6s var(--ease-cine), color .4s; }
.essence-item:hover .essence-glyph { transform: rotate(90deg); color: inherit; }
.essence-item .mono { color: var(--mist); margin: 26px 0 14px; }
.essence-item h3 { font-size: 23px; margin-bottom: 12px; }
.essence-item p { color: var(--steel); font-size: 15px; }
.section.dark .essence-item p { color: var(--mist); }

/* Pillars — live instrument cards (Cognitive Instrument language) */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); margin-top: clamp(60px, 8vh, 96px); }
@media (max-width: 980px){ .pillars { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .pillars { grid-template-columns: 1fr; } }
.pillar { background: var(--paper); padding: 40px 34px 34px; min-height: 340px; display: flex; flex-direction: column; position: relative; overflow: hidden; transition: background .45s; }
.pillar::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; background: var(--ink); transform: scaleX(0); transform-origin: 0 50%; transition: transform .6s var(--ease-cine); }
.pillar:hover { background: var(--paper-2); }
.pillar:hover::after { transform: scaleX(1); }
.pillar-head { display: block; margin-bottom: 26px; }
.pillar-head span { display: block; font-size: 40px; color: var(--mist); line-height: 1; margin-bottom: 12px; font-weight: 400; }
.pillar-head b { font-size: 11px; letter-spacing: .18em; color: var(--ink); font-weight: 500; }
.pillar h3 { font-size: 21px; font-weight: 400; margin-bottom: 10px; letter-spacing: -.01em; }
.pillar p { color: var(--steel); font-size: 14px; }
.pillar-readout { margin-top: auto; padding-top: 16px; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--hairline); color: var(--mist); font-size: 10px; }
.pillar-readout b { color: var(--ink); font-weight: 500; }

/* ============================================================
   HORIZONTAL SCROLL (vertical -> horizontal transition)
   ============================================================ */
.hscroll { position: relative; background: #060608; color: var(--paper); }
.hscroll-sticky { position: sticky; top: 0; height: 100svh; overflow: hidden; display: flex; align-items: center; }
.hscroll-progress { position: absolute; left: var(--edge); right: var(--edge); bottom: 46px; height: 2px; background: rgba(255,255,255,.16); z-index: 5; }
.hscroll-progress i { display: block; height: 100%; width: var(--hp, 0%); background: var(--paper); }
.hscroll-axisflip {
  position: absolute; left: var(--edge); bottom: 64px; z-index: 5; display: flex; align-items: center; gap: 16px;
  color: var(--paper); font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .18em;
}
.hscroll-axisflip .rot { width: 30px; height: 30px; border: 1px solid var(--paper); display: grid; place-items: center; font-size: 13px; }
.hscroll-axisflip .rot::before { content: "→"; transform: rotate(calc(var(--hp-deg, 0) * 1deg)); transition: transform .2s linear; }
.hscroll-count { position: absolute; right: var(--edge); bottom: 58px; z-index: 5; font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .16em; color: var(--mist); }

.hscroll-track { display: flex; align-items: center; gap: clamp(30px, 6vw, 120px); padding: 0 var(--edge); will-change: transform; }
.hpanel { flex: 0 0 auto; width: min(78vw, 900px); }
.hpanel.intro { width: min(60vw, 620px); }
.hpanel .kicker { color: var(--mist); }
.hpanel h2 { font-size: clamp(30px, 4.4vw, 66px); line-height: 1.02; }
.hpanel .lead { color: var(--mist); margin-top: 22px; }

.hcard {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center;
  border: 1px solid var(--hairline-d); background: linear-gradient(180deg, rgba(255,255,255,.04), transparent); padding: 40px; border-radius: 4px;
}
@media (max-width: 860px){ .hcard { grid-template-columns: 1fr; } }
.hcard-visual { aspect-ratio: 4/3; border: 1px solid var(--hairline-d); position: relative; overflow: hidden; background: #0f0f0f; }
.hcard-visual svg { width: 100%; height: 100%; }
.hcard-head { display: flex; justify-content: space-between; color: var(--mist); font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .14em; padding: 14px; position: absolute; top: 0; left: 0; right: 0; z-index: 2; }
.hcard-text .mono { color: var(--signal); margin-bottom: 16px; }
.hcard-text h3 { font-size: clamp(24px, 2.6vw, 38px); margin-bottom: 16px; }
.hcard-text p { color: var(--mist); }
.hcard-readout { margin-top: 22px; display: flex; align-items: center; gap: 14px; font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--mist); }
.hcard-readout b { color: var(--paper); font-size: 22px; font-weight: 500; }
.hcard-readout i { flex: 1; height: 1px; background: rgba(255,255,255,.2); position: relative; }
.hcard-readout i::after { content: ""; position: absolute; inset: 0; width: 70%; background: var(--signal); }

/* Method × Impact — one horizontal process */
.hscroll.process .hscroll-track { position: relative; z-index: 1; }
.proc-thread { position: absolute; left: 0; right: 0; top: 50%; height: 1px; z-index: 0; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.16) 9%, rgba(255,255,255,.16) 91%, transparent); }
.proc-stage { position: relative; }
.proc-stage .hcard { position: relative; z-index: 1; }
.proc-ghost { position: absolute; top: -.44em; left: -.06em; z-index: 0; pointer-events: none; user-select: none;
  font-family: "IBM Plex Mono", monospace; font-weight: 500; letter-spacing: -.05em; line-height: 1;
  font-size: clamp(140px, 20vw, 260px); color: rgba(255,255,255,.05); }
@media (max-width: 960px){ .proc-ghost { display: none; } }

/* SVG diagram animation */
.diagram path, .diagram circle, .diagram line, .diagram polygon, .diagram rect { vector-effect: non-scaling-stroke; }
.diagram .stroke { fill: none; stroke: rgba(255,255,255,.6); stroke-width: 1; }
.diagram .thin { fill: none; stroke: rgba(255,255,255,.22); stroke-width: 1; }
.diagram .node { fill: var(--paper); }
.diagram .accent { fill: none; stroke: var(--signal); stroke-width: 1.4; }
.diagram .lbl { fill: var(--mist); font-family: "IBM Plex Mono", monospace; font-size: 12px; letter-spacing: .12em; }
.diagram .draw { stroke-dasharray: var(--len, 1000); stroke-dashoffset: var(--len, 1000); }
.in .diagram .draw { animation: draw 2s var(--ease-cine) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* ============================================================
   COGNITIVE MAP — depth scroll
   ============================================================ */
.depth { position: relative; background: #07070A; color: var(--paper); }
.depth-scroll { height: 420vh; position: relative; }
.depth-sticky { position: sticky; top: 0; height: 100svh; overflow: hidden; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px; padding: 0 var(--edge); }
@media (max-width: 900px){ .depth-sticky { grid-template-columns: 1fr; } }
.depth-copy { position: relative; z-index: 3; max-width: 40ch; }
.depth-copy h2 { font-size: clamp(30px, 4.4vw, 62px); line-height: 1.02; margin-bottom: 22px; }
.depth-copy p { color: var(--mist); }
.depth-note { margin-top: 30px; display: flex; align-items: center; gap: 12px; color: var(--mist); font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .16em; }
.depth-note i { width: 40px; height: 1px; background: var(--mist); }
.depth-stage { position: relative; height: 100%; perspective: 1400px; }
.depth-planes { position: absolute; inset: 0; transform-style: preserve-3d; display: grid; place-items: center; }
.plane {
  position: absolute; width: min(78%, 460px); padding: 34px; border: 1px solid var(--hairline-d);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(0,0,0,.2)); backdrop-filter: blur(2px);
  border-radius: 4px; transform-style: preserve-3d; opacity: 0; transition: opacity .4s;
}
.plane em { font-style: normal; font-family: "IBM Plex Mono", monospace; font-size: 48px; color: rgba(255,255,255,.16); font-weight: 500; }
.plane .mono { color: var(--signal); display: block; margin: 8px 0 14px; }
.plane b { display: block; font-size: clamp(24px, 3vw, 40px); font-weight: 300; margin-bottom: 10px; }
.plane small { color: var(--mist); font-family: "IBM Plex Mono", monospace; letter-spacing: .12em; font-size: 11px; }
.plane a { position: absolute; inset: 0; }
.depth-hud { position: absolute; right: var(--edge); bottom: 46px; z-index: 3; text-align: right; font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .16em; color: var(--mist); }
.depth-hud b { color: var(--paper); font-size: 40px; display: block; font-weight: 300; }
.depth-rail { position: absolute; left: var(--edge); bottom: 46px; z-index: 3; width: 180px; height: 1px; background: rgba(255,255,255,.2); }
.depth-rail i { display: block; height: 100%; width: var(--dp, 0%); background: var(--paper); }

/* ---- Orchestration: live cognitive graph ---- */
.depth-sticky.orch { align-items: center; gap: clamp(40px, 5vw, 80px);
  grid-template-columns: 1fr 1.05fr;
  padding-inline: max(var(--edge), calc((100% - var(--maxw)) / 2)); }
@media (max-width: 900px){ .depth-sticky.orch { grid-template-columns: 1fr; padding-inline: var(--edge); } }
.orch-copy { position: relative; z-index: 3; max-width: 46ch; }
.orch-copy h2 { font-size: clamp(30px, 4.4vw, 60px); line-height: 1.02; margin-bottom: 20px; }
.orch-copy > p { color: var(--mist); max-width: 40ch; }
.orch-readout { margin-top: 34px; border-top: 1px solid var(--hairline-d); padding-top: 24px; display: grid; gap: 12px; min-height: 168px; align-content: start; }
.orch-readout-head { display: flex; justify-content: space-between; gap: 20px; color: var(--mist); font-size: 11px; }
.orch-readout-head b { color: var(--paper); font-weight: 500; }
.orch-readout h3 { font-size: clamp(24px, 3vw, 40px); font-weight: 400; transition: opacity .3s; }
.orch-readout [data-orch-tags] { color: var(--mist); letter-spacing: .14em; }
.orch-open { display: inline-flex; align-items: center; gap: 10px; margin-top: 6px; font-size: 14px; border-bottom: 1px solid currentColor; padding-bottom: 5px; width: -moz-fit-content; width: fit-content; }
.orch-open i { transition: transform .4s var(--ease-cine); }
.orch-open:hover i { transform: translateX(6px); }

/* ---- The System · GOS radial map ---- */
.systemmap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; margin-top: clamp(50px, 8vh, 90px); }
@media (max-width: 900px){ .systemmap-grid { grid-template-columns: 1fr; gap: 56px; } }
.orbit { position: relative; width: 100%; max-width: 470px; aspect-ratio: 1; margin: 0 auto; }
.orbit-svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.orbit-ring { fill: none; stroke: rgba(255,255,255,.14); stroke-width: 1; }
.orbit-spokes line { stroke: rgba(255,255,255,.12); stroke-width: 1; transition: stroke .4s; }
.orbit-spokes line.active { stroke: rgba(255,255,255,.65); }
.orbit-core { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 40%; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; display: grid; place-content: center; text-align: center; gap: 6px; background: radial-gradient(circle, rgba(255,255,255,.07), transparent 70%); }
.orbit-core b { font-size: clamp(15px, 1.9vw, 22px); font-weight: 500; letter-spacing: .01em; }
.orbit-core small { font-size: 8px; letter-spacing: .16em; color: var(--mist); }
.orbit-node { position: absolute; transform: translate(-50%,-50%); width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3); background: var(--ink); color: var(--mist); display: grid; place-items: center; font-family: "IBM Plex Mono", monospace; font-size: 13px; cursor: pointer; transition: background .35s, color .35s, border-color .35s, transform .35s var(--ease-cine); }
.orbit-node:hover, .orbit-node.active { background: var(--paper); color: var(--ink); border-color: var(--paper); transform: translate(-50%,-50%) scale(1.12); }
.systemmap-detail { align-self: center; max-width: 44ch; }
.systemmap-detail [data-lv-code] { color: var(--mist); margin-bottom: 16px; }
.systemmap-detail h3 { font-size: clamp(28px, 3.4vw, 46px); font-weight: 300; letter-spacing: -.02em; margin-bottom: 16px; min-height: 1.1em; }
.systemmap-detail [data-lv-desc] { color: var(--mist); font-size: clamp(16px, 1.5vw, 19px); margin-bottom: 20px; max-width: 42ch; }
.systemmap-tags { color: var(--steel); letter-spacing: .14em; margin-bottom: 28px; }
.systemmap-open { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; border-bottom: 1px solid currentColor; padding-bottom: 5px; width: -moz-fit-content; width: fit-content; }
.systemmap-open i { transition: transform .4s var(--ease-cine); }
.systemmap-open:hover i { transform: translateX(6px); }

/* Section-level CTA to internal pages */
.section-cta { display: inline-flex; align-items: center; gap: 12px; margin-top: clamp(40px, 6vh, 72px); font-size: clamp(15px, 1.6vw, 18px); border-bottom: 1px solid currentColor; padding-bottom: 6px; }
.section-cta i { transition: transform .4s var(--ease-cine); }
.section-cta:hover i { transform: translateX(8px); }

/* Ontology · data → ontology → decision → action pipeline (interactive) */
.onto-flow { display: flex; align-items: stretch; gap: 14px; margin-top: clamp(50px, 8vh, 90px); }
.onto-step { flex: 1; min-width: 0; border: 1px solid var(--hairline); padding: 26px 24px; display: grid; gap: 10px; align-content: start; text-align: left; cursor: pointer; background: transparent; transition: background .35s, color .35s, border-color .35s, transform .4s var(--ease-cine); }
.onto-step span { color: var(--mist); }
.onto-step b { font-size: clamp(19px, 2.2vw, 26px); font-weight: 400; letter-spacing: -.01em; }
.onto-step:hover { transform: translateY(-4px); }
.onto-step.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.onto-step.active span { color: var(--mist); }
.onto-arrow { align-self: center; color: var(--mist); font-style: normal; font-size: 18px; flex: 0 0 auto; }
.onto-detail { margin-top: 30px; display: grid; gap: 8px; max-width: 60ch; }
.onto-detail [data-onto-name] { color: var(--mist); }
.onto-detail [data-onto-desc] { font-size: clamp(16px, 1.6vw, 20px); color: var(--ink); min-height: 1.4em; }
@media (max-width: 760px){ .onto-flow { flex-direction: column; gap: 10px; } .onto-arrow { transform: rotate(90deg); margin-left: 24px; } }

/* full-section background film (grayscale) + scrim, e leggibilità su scuro */
.sec-video { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.sec-video video { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.12) brightness(.82); }
.sec-scrim { position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(to bottom, rgba(6,6,9,.82), rgba(6,6,9,.6) 42%, rgba(6,6,9,.8)); }
.section.ontology { overflow: hidden; }
.section.ontology > *:not(.sec-video):not(.sec-scrim):not(.section-num) { position: relative; z-index: 1; }
.section.ontology > .section-num { z-index: 1; }
.section.dark .onto-step { border-color: var(--hairline-d); }
.section.dark .onto-step.active { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.section.dark .onto-step.active span { color: var(--steel); }
.section.dark .onto-detail [data-onto-desc] { color: var(--paper); }

/* ============================================================
   THE SYSTEM — operating diagram (single column, read top→down)
   ============================================================ */
.sys { margin-top: clamp(34px, 5vh, 64px); }
.sys-plan { border: 1px solid rgba(255,255,255,.14); }

/* each level: a calm full-width band [ tag | content ] */
.sys-layer { display: grid; grid-template-columns: clamp(92px, 12vw, 128px) 1fr; gap: clamp(16px, 2.6vw, 40px);
  align-items: baseline; padding: clamp(22px, 3vw, 34px) clamp(22px, 3vw, 42px); }
.sys-tag { color: var(--steel); font-size: 11px; letter-spacing: .16em; white-space: nowrap; }
.sys-body h3 { font-size: clamp(20px, 2.3vw, 29px); font-weight: 400; letter-spacing: -.01em; line-height: 1.1; }
.sys-core-k { color: var(--steel); font-size: 11px; letter-spacing: .24em; margin-bottom: 9px; }
.sys-body p { color: var(--mist); margin-top: 12px; max-width: 60ch; font-size: 15px; line-height: 1.55; }
.sys-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.sys-chips span { border: 1px solid rgba(255,255,255,.18); color: var(--mist); font-size: 11px; letter-spacing: .12em; padding: 7px 12px; }

/* flow connector between levels — one hairline + a down-chevron */
.sys-flow { position: relative; height: clamp(26px, 3vw, 36px); }
.sys-flow::before { content: ""; position: absolute; left: clamp(46px, 6vw, 64px); top: 0; bottom: 0; width: 1px; background: rgba(255,255,255,.2); }
.sys-flow::after { content: "\2193"; position: absolute; left: clamp(46px, 6vw, 64px); top: 50%; transform: translate(-50%, -50%);
  color: var(--steel); font-size: 12px; line-height: 1; background: #060608; padding: 3px 0; }

/* the nucleus — one inverted band, the bright centre of the whole system */
.sys-layer.is-core { background: var(--paper); color: var(--ink); position: relative; overflow: hidden; }
.sys-layer.is-core::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,.5), transparent); animation: sysScan 5.4s cubic-bezier(.4,0,.2,1) infinite; }
@keyframes sysScan { 0% { top: 0; opacity: 0; } 14% { opacity: .75; } 86% { opacity: .75; } 100% { top: 100%; opacity: 0; } }
.sys-layer.is-core .sys-tag { color: rgba(0,0,0,.5); }
.sys-layer.is-core .sys-core-k { color: rgba(0,0,0,.55); }
.sys-layer.is-core .sys-body p { color: rgba(0,0,0,.74); }

/* governance — the base the whole stack sits on (runs through every level) */
.sys-gov { border-top: 1px solid rgba(255,255,255,.14); padding: clamp(24px, 3vw, 34px) clamp(22px, 3vw, 42px); }
.sys-gov-h { color: var(--steel); font-size: 11px; letter-spacing: .18em; margin-bottom: clamp(18px, 2.4vw, 26px); }
.sys-gov-items { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.6vw, 34px); }
.sys-gov-items > div { display: flex; flex-direction: column; gap: 7px; }
.sys-gov-items b { color: var(--paper); font-size: 11px; letter-spacing: .18em; }
.sys-gov-items span { color: var(--mist); font-size: 13px; line-height: 1.45; }
.sys-gov-cta { display: inline-flex; align-items: center; gap: 10px; margin-top: clamp(22px, 3vw, 30px);
  color: var(--paper); letter-spacing: .12em; font-size: 11px; }
.sys-gov-cta i { transition: transform .4s var(--ease-cine); }
.sys-gov-cta:hover i { transform: translateX(6px); }

@media (max-width: 640px){
  .sys-gov-items { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 520px){
  .sys-layer { grid-template-columns: 1fr; gap: 8px; }
  .sys-flow::before, .sys-flow::after { left: 22px; }
}

.orch-stage { position: relative; height: 100%; min-height: 420px; }
.orch-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.orch-grid { position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--hairline-d) 1px, transparent 1px), linear-gradient(90deg, var(--hairline-d) 1px, transparent 1px);
  background-size: 62px 62px; -webkit-mask-image: radial-gradient(72% 72% at 58% 50%, #000, transparent); mask-image: radial-gradient(72% 72% at 58% 50%, #000, transparent); }
.orch-scan { position: absolute; inset: 0; pointer-events: none; opacity: .4;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.03) 0 1px, transparent 1px 4px);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 28%, #000 72%, transparent); mask-image: linear-gradient(180deg, transparent, #000 28%, #000 72%, transparent); }
.orch-hud { position: absolute; inset: 0; pointer-events: none; color: var(--mist); font-size: 10px; letter-spacing: .14em; }
.orch-hud span { position: absolute; white-space: nowrap; }
.orch-hud b { color: var(--paper); }
.ohud-tl { top: 12px; left: 12px; } .ohud-tr { top: 12px; right: 12px; color: var(--paper); }
.ohud-bl { bottom: 12px; left: 12px; } .ohud-br { bottom: 12px; right: 12px; }
.orch-tiers { position: absolute; left: 0; top: 0; z-index: 2; pointer-events: none; }
.orch-tiers span { position: absolute; left: 0; top: 0; display: inline-flex; align-items: center; gap: 8px; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; color: var(--mist); opacity: .45; transition: color .3s, opacity .3s; }
.orch-tiers span::after { content: ""; width: 16px; height: 1px; background: currentColor; opacity: .5; }
.orch-tiers span b { color: inherit; font-weight: 500; }
.orch-tiers span.active { color: var(--paper); opacity: 1; }
.orch-tiers span.active::after { width: 26px; opacity: 1; }
.orch-rail { position: absolute; right: 0; top: 12%; bottom: 12%; width: 2px; background: rgba(255,255,255,.16); }
.orch-rail i { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: var(--paper); transform: scaleY(0); transform-origin: 50% 0; }
@media (max-width: 900px){ .orch-stage { min-height: 56vh; } .orch-copy { max-width: none; } }

/* ============================================================
   TRAJECTORIES
   ============================================================ */
.traj { display: grid; grid-template-columns: 1fr auto 1fr; gap: 40px; align-items: stretch; margin-top: 70px; }
@media (max-width: 900px){ .traj { grid-template-columns: 1fr; } }
.traj-card { border: 1px solid var(--hairline); padding: 32px 36px 34px; position: relative; overflow: hidden; transition: background .5s; display: flex; flex-direction: column; }
.traj-card::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; background: var(--ink); transform: scaleX(0); transform-origin: 0 50%; transition: transform .6s var(--ease-cine); }
.traj-card:hover::after { transform: scaleX(1); }
.traj-viz { width: 100%; height: 86px; display: block; margin-bottom: 22px; }
.traj-readout { display: flex; justify-content: space-between; align-items: center; margin: 0 0 26px; padding-top: 14px; border-top: 1px solid var(--hairline); color: var(--mist); font-size: 10px; }
.traj-readout b { color: var(--ink); font-weight: 500; }
.traj-card .mono { color: var(--steel); margin-bottom: 18px; }
.traj-card h3 { font-size: clamp(24px, 2.6vw, 34px); margin-bottom: 16px; }
.traj-card > p { color: var(--steel); margin-bottom: 26px; }
.traj-card ul { list-style: none; padding: 0; margin: 0 0 30px; display: grid; gap: 10px; }
.traj-card li { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .12em; color: var(--steel); padding-left: 22px; position: relative; }
.traj-card li::before { content: ""; position: absolute; left: 0; top: 7px; width: 8px; height: 1px; background: currentColor; }
.traj-card a { margin-top: auto; display: inline-flex; align-items: center; gap: 10px; font-size: 15px; }
.traj-card a i { transition: transform .4s var(--ease-cine); }
.traj-card:hover a i { transform: translateX(6px); }
.traj-card:hover { background: var(--paper-2); }
.traj-axis { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; width: 96px; color: var(--steel); }
.traj-axis::before { content: ""; width: 1px; height: 130px; background: var(--hairline); }
.traj-axis span { writing-mode: vertical-rl; font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .2em; color: var(--mist); }
@media (max-width: 900px){ .traj-axis { width: auto; } .traj-axis span { writing-mode: horizontal-tb; } }

/* ============================================================
   ASSETS SYSTEM (cards)
   ============================================================ */
.asset-sys { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 70px; }
@media (max-width: 900px){ .asset-sys { grid-template-columns: 1fr; } }
.asset-mod { border: 1px solid var(--hairline-d); padding: 40px 34px; position: relative; overflow: hidden; min-height: 340px; display: flex; flex-direction: column; transition: transform .5s var(--ease-cine); }
.asset-mod:hover { transform: translateY(-8px); }
.asset-viz { width: 100%; height: 100px; margin-bottom: auto; display: block; }
.asset-readout { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; padding-top: 14px; border-top: 1px solid var(--hairline-d); color: var(--mist); font-size: 10px; }
.asset-readout b { color: var(--paper); font-weight: 500; }
.asset-mod .radar { width: 80px; height: 80px; margin-bottom: auto; position: relative; }
.asset-mod .radar::before, .asset-mod .radar::after { content: ""; position: absolute; inset: 0; border: 1px solid var(--hairline-d); border-radius: 50%; }
.asset-mod .radar::after { inset: 20px; }
.asset-mod .radar i { position: absolute; top: 50%; left: 50%; width: 50%; height: 1px; background: linear-gradient(90deg, var(--signal), transparent); transform-origin: 0 50%; animation: radar 3s linear infinite; }
.radar-square::before, .radar-square::after { border-radius: 0; }
@keyframes radar { to { transform: rotate(360deg); } }
.asset-mod .mono { color: var(--mist); margin: 30px 0 10px; }
.asset-mod h3 { font-size: 34px; letter-spacing: .04em; margin-bottom: 12px; }
.asset-mod strong { font-weight: 400; font-size: 16px; display: block; margin-bottom: 12px; }
.asset-mod p { color: var(--mist); font-size: 14px; }
.asset-mod .open { position: absolute; top: 30px; right: 30px; width: 42px; height: 42px; border: 1px solid var(--hairline-d); display: grid; place-items: center; transition: background .4s, color .4s; }
.asset-mod:hover .open { background: var(--paper); color: var(--ink); }

/* home asset showcase — flagship products, prominent (Palantir-style) */
.asset-hierarchy { margin-top: 16px; font-size: 12px; letter-spacing: .1em; line-height: 1.7; color: var(--mist); }
.asset-hierarchy b { color: var(--signal); font-weight: 500; }
.asset-hierarchy span { color: var(--signal); }
.asset-showcase { margin-top: clamp(46px, 6vh, 84px); border-top: 1px solid var(--hairline-d); }
.asset-feature { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(28px, 5vw, 84px); align-items: start; padding: clamp(44px, 7vh, 86px) 0; border-bottom: 1px solid var(--hairline-d); position: relative; }
.asset-feature-mark { display: block; color: var(--mist); font-size: 11px; letter-spacing: .2em; margin-bottom: 22px; }
.asset-feature-mark b { color: var(--ink); background: var(--paper); font-weight: 500; padding: 3px 9px; margin-left: 12px; letter-spacing: .14em; white-space: nowrap; }
.asset-feature h3 { font-size: clamp(52px, 8.5vw, 130px); font-weight: 300; letter-spacing: -.03em; line-height: .88; }
.asset-feature .tagline { font-size: clamp(19px, 2vw, 28px); color: var(--paper); font-weight: 400; margin-bottom: 20px; letter-spacing: -.01em; }
.asset-feature-body p { color: var(--mist); font-size: clamp(15px, 1.4vw, 18px); max-width: 54ch; line-height: 1.6; }
.asset-feature .tags { margin-top: 24px; color: rgba(255,255,255,.42); font-size: 11px; letter-spacing: .18em; }
.asset-feature .asset-cta { display: inline-flex; align-items: center; gap: 12px; margin-top: 30px; border-bottom: 1px solid currentColor; padding-bottom: 6px; font-size: 15px; }
.asset-feature .asset-cta i { transition: transform .4s var(--ease-cine); }
.asset-feature .asset-cta:hover i { transform: translateX(6px); }
.asset-feature.flagship .asset-feature-head { position: relative; padding-left: 22px; }
.asset-feature.flagship .asset-feature-head::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 2px; background: linear-gradient(var(--paper), rgba(255,255,255,.1)); }
@media (max-width: 860px){ .asset-feature { grid-template-columns: 1fr; gap: 16px; padding: 40px 0; } .asset-feature.flagship .asset-feature-head { padding-left: 16px; } }

/* dedicated Asset page — spacious per-product sections */
.product-mark { display: block; color: var(--mist); font-size: 11px; letter-spacing: .2em; margin-bottom: 22px; }
.product-mark b { color: var(--ink); background: var(--paper); font-weight: 500; padding: 3px 9px; margin-left: 12px; letter-spacing: .14em; white-space: nowrap; }
.product-name { font-size: clamp(62px, 12vw, 188px); font-weight: 300; letter-spacing: -.03em; line-height: .85; margin-bottom: 24px; }
.product-tagline { font-size: clamp(22px, 2.6vw, 40px); font-weight: 300; letter-spacing: -.01em; max-width: 22ch; }
.product.flagship .product-head { position: relative; padding-left: 26px; }
.product.flagship .product-head::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--paper), rgba(255,255,255,.12)); }
.product-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(32px, 5vw, 84px); margin-top: clamp(40px, 6vh, 72px); align-items: start; }
.product-desc p { font-size: clamp(16px, 1.5vw, 20px); line-height: 1.7; color: var(--steel); max-width: 56ch; margin-bottom: 18px; }
.section.dark .product-desc p { color: var(--mist); }
.product-delta { margin-top: 6px; margin-bottom: 0; padding-left: 18px; border-left: 2px solid var(--signal); font-size: clamp(15px, 1.4vw, 18px); line-height: 1.6; color: var(--signal); max-width: 54ch; }
.product-delta b { display: block; font-size: 10px; letter-spacing: .22em; color: var(--steel); margin-bottom: 6px; font-weight: 500; }
.product-desc p.product-delta { color: var(--signal); max-width: 54ch; margin-bottom: 0; }
.section.dark .product-desc p.product-delta { color: var(--signal); }
.product-caps { display: grid; gap: 0; }
.prod-cap { display: grid; gap: 7px; padding: 20px 0; border-top: 1px solid var(--hairline); }
.section.dark .prod-cap { border-top-color: var(--hairline-d); }
.prod-cap span { color: var(--signal); letter-spacing: .16em; font-size: 11px; }
.prod-cap p { margin: 0; color: var(--steel); font-size: 14px; line-height: 1.55; }
.section.dark .prod-cap p { color: var(--mist); }
/* standalone caps grid (e.g. GOS page) — 2 columns full width */
.gos-caps { grid-template-columns: 1fr 1fr; column-gap: clamp(32px, 5vw, 64px); margin-top: clamp(36px, 5vh, 60px); }
@media (max-width: 640px){ .gos-caps { grid-template-columns: 1fr; } }

/* ============================================================
   CASE STUDY — metrics, before/after, placeholders
   ============================================================ */
.case-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 44px); margin-top: clamp(38px, 5vh, 64px); }
.case-metric { border-top: 1px solid var(--hairline); padding-top: 18px; }
.section.dark .case-metric { border-top-color: var(--hairline-d); }
.case-metric b { display: block; font-family: "Switzer", Arial, sans-serif; font-weight: 300; letter-spacing: -.02em; line-height: 1; font-size: clamp(40px, 5.2vw, 74px); }
.case-metric strong { display: block; margin-top: 12px; font-weight: 500; font-size: 13px; letter-spacing: .04em; }
.case-metric span { display: block; margin-top: 6px; color: var(--steel); font-size: 12.5px; line-height: 1.45; }
.section.dark .case-metric span { color: var(--mist); }
@media (max-width: 820px){ .case-metrics { grid-template-columns: 1fr 1fr; gap: 28px 24px; } }
@media (max-width: 460px){ .case-metrics { grid-template-columns: 1fr; } }

.case-period { display: block; margin-top: clamp(48px, 7vh, 84px); font-size: 11px; letter-spacing: .22em; color: var(--mist); }
.case-period + .case-metrics { margin-top: 22px; }
.case-note { margin-top: clamp(24px, 3vh, 36px); color: var(--steel); font-size: 12px; letter-spacing: .04em; line-height: 1.6; }
.section.dark .case-note { color: var(--mist); }

/* before / after */
.case-compare { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(14px, 2vw, 26px); margin-top: clamp(36px, 5vh, 60px); }
.case-compare figure { margin: 0; }
.case-shot { position: relative; aspect-ratio: 16 / 10; border: 1px solid var(--hairline); background: var(--paper-2); overflow: hidden; }
.section.dark .case-shot { border-color: var(--hairline-d); background: #111114; }
.case-shot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.case-compare figcaption { margin-top: 12px; color: var(--steel); font-size: 11px; letter-spacing: .16em; }
.section.dark .case-compare figcaption { color: var(--mist); }
.case-tag { position: absolute; top: 12px; left: 12px; z-index: 2; background: var(--ink); color: var(--paper); font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .18em; padding: 5px 9px; }
@media (max-width: 640px){ .case-compare { grid-template-columns: 1fr; } }

/* media placeholder (until real screens/videos are dropped in) */
.screen-ph { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: 20px;
  color: var(--steel); font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .2em; line-height: 1.7;
  background-image: linear-gradient(135deg, rgba(0,0,0,.028) 25%, transparent 25%, transparent 50%, rgba(0,0,0,.028) 50%, rgba(0,0,0,.028) 75%, transparent 75%); background-size: 14px 14px; }
.section.dark .screen-ph { color: var(--mist); background-image: linear-gradient(135deg, rgba(255,255,255,.03) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.03) 50%, rgba(255,255,255,.03) 75%, transparent 75%); }

/* GOS screen — framed product demo (a real session, not a mockup) */
.gos-screen { margin: clamp(36px, 5vh, 64px) 0 0; border: 1px solid var(--hairline); background: var(--paper);
  overflow: hidden; box-shadow: 0 40px 90px -50px rgba(0,0,0,.35); }
.gos-screen-bar { display: flex; align-items: center; gap: 10px; background: var(--ink); color: var(--paper);
  font-size: 11px; letter-spacing: .18em; padding: 11px 16px; }
.gos-screen-bar .gos-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--paper); opacity: .5; }
.gos-screen-bar .gos-live { margin-left: auto; letter-spacing: .16em; opacity: .72; }
.gos-screen-media { position: relative; aspect-ratio: 1920 / 1020; background: #f2f2f0; }
.gos-screen-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.gos-screen figcaption { padding: 13px 16px; color: var(--steel); font-size: 11px; letter-spacing: .16em; border-top: 1px solid var(--hairline); }
.section.dark .gos-screen { border-color: var(--hairline-d); box-shadow: 0 40px 100px -50px rgba(0,0,0,.7); }
.section.dark .gos-screen figcaption { color: var(--mist); border-top-color: var(--hairline-d); }
@media (max-width: 640px){ .gos-screen-bar { font-size: 10px; letter-spacing: .14em; } }
/* two screens stacked full-width (detect → respond), readable without expanding */
.gos-screens { display: grid; grid-template-columns: 1fr; gap: clamp(22px, 3.5vh, 44px); margin: clamp(36px, 5vh, 64px) auto 0; max-width: 1080px; }
.gos-screens .gos-screen { margin: 0; }

/* expand-to-fullscreen */
.gos-screen-media { cursor: zoom-in; }
.gos-expand { margin-left: 12px; width: 26px; height: 26px; flex: 0 0 auto; display: grid; place-items: center; padding: 0;
  background: transparent; border: 1px solid rgba(255,255,255,.28); color: var(--paper); cursor: pointer;
  transition: background .25s, border-color .25s; }
.gos-expand:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.5); }
.gos-expand svg { width: 14px; height: 14px; }
.gos-lb { position: fixed; inset: 0; z-index: 3000; background: rgba(5,5,6,.95); display: none;
  flex-direction: column; align-items: center; justify-content: center; padding: clamp(16px, 4vw, 48px); }
.gos-lb.open { display: flex; }
.gos-lb-stage { position: relative; width: 100%; max-width: 1440px; display: flex; align-items: center; justify-content: center; }
.gos-lb-video { width: 100%; height: auto; max-height: 82vh; display: block; background: #0a0a0c; border: 1px solid rgba(255,255,255,.16); }
.gos-lb-cap { margin-top: 16px; color: var(--mist); font-size: 11px; letter-spacing: .18em; text-align: center; max-width: 64ch; }
.gos-lb-close { position: absolute; top: clamp(14px, 3vw, 26px); right: clamp(14px, 3vw, 26px); z-index: 4;
  width: 42px; height: 42px; display: grid; place-items: center; background: transparent; border: 1px solid rgba(255,255,255,.3);
  color: var(--paper); cursor: pointer; transition: background .25s; }
.gos-lb-close:hover { background: rgba(255,255,255,.14); }
.gos-lb-close svg { width: 18px; height: 18px; }
.gos-lb-rotate { display: none; }
body.lb-open { overflow: hidden; }
@media (max-width: 820px) and (orientation: portrait){
  .gos-lb-rotate { display: flex; flex-direction: column; align-items: center; gap: 14px; position: absolute; z-index: 3;
    color: var(--paper); font-size: 11px; letter-spacing: .2em; text-align: center; }
  .gos-lb-rotate svg { width: 46px; height: 46px; animation: gosRotateHint 2.6s ease-in-out infinite; }
  @keyframes gosRotateHint { 0%, 55%, 100% { transform: rotate(0deg); } 30%, 45% { transform: rotate(-90deg); } }
  .gos-lb-video { opacity: .26; max-height: 46vh; }
  .gos-lb-cap { display: none; }
}
@media (max-width: 860px){ .product-grid { grid-template-columns: 1fr; gap: 30px; } .product.flagship .product-head { padding-left: 18px; } }

/* GOS as a platform: modules that plug into the core */
.gos-platform { margin-top: clamp(48px, 7vh, 84px); padding-top: clamp(38px, 5vh, 56px); border-top: 1px solid var(--hairline-d); }
.gos-platform-head { max-width: 66ch; margin-bottom: clamp(30px, 4vh, 46px); }
.gos-platform-head .mono { color: var(--mist); letter-spacing: .2em; font-size: 11px; }
.gos-platform-head h3 { font-size: clamp(23px, 3vw, 38px); font-weight: 300; letter-spacing: -.01em; margin: 16px 0; }
.gos-platform-head p { color: var(--mist); font-size: clamp(15px, 1.4vw, 18px); line-height: 1.65; }
.gos-modules { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gos-mod { border: 1px solid var(--hairline-d); padding: 24px 20px; display: grid; gap: 8px; align-content: start; min-height: 104px; transition: transform .4s var(--ease-cine), border-color .4s; }
.gos-mod:hover { transform: translateY(-4px); border-color: rgba(255,255,255,.32); }
.gos-mod b { font-weight: 400; font-size: clamp(16px, 1.5vw, 20px); color: var(--paper); }
.gos-mod span { color: var(--mist); letter-spacing: .14em; font-size: 10px; }
.gos-mod.add { border-style: dashed; }
.gos-mod.add b { color: var(--mist); }
@media (max-width: 900px){ .gos-modules { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px){ .gos-modules { grid-template-columns: 1fr; } }

/* asset system diagram — three assets in action */
.asset-flow { margin-top: clamp(38px, 5vh, 60px); }
.asset-flow-svg { width: 100%; height: auto; display: block; overflow: visible; }
.ad-node rect { fill: rgba(255,255,255,.025); stroke: rgba(255,255,255,.3); }
.ad-gos rect { fill: rgba(255,255,255,.06); stroke: rgba(255,255,255,.55); }
.ad-name { fill: var(--paper); font-family: "Switzer", Arial, sans-serif; font-weight: 400; text-anchor: middle; }
.ad-gos .ad-name { font-size: 56px; letter-spacing: 1px; }
.ad-name.sm { font-size: 30px; }
.ad-sub { fill: var(--mist); font-family: "IBM Plex Mono", monospace; font-size: 12px; letter-spacing: .12em; text-anchor: middle; }
.ad-sub2 { fill: var(--steel); font-family: "IBM Plex Mono", monospace; font-size: 12px; text-anchor: middle; }
.ad-inputs text { fill: rgba(255,255,255,.6); font-family: "IBM Plex Mono", monospace; font-size: 15px; text-anchor: end; letter-spacing: .06em; }
.ad-out text { fill: var(--paper); font-family: "Switzer", Arial, sans-serif; font-size: 17px; text-anchor: start; }
.ad-cap { fill: var(--mist); font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .2em; }
.asset-flow-note { color: var(--mist); margin-top: 24px; font-size: 11px; letter-spacing: .14em; text-align: center; }
.ad-loop { stroke: rgba(255,255,255,.4); stroke-width: 1.6; stroke-dasharray: 6 6; fill: none; }
.ad-loop-label { fill: rgba(255,255,255,.5); font-family: "IBM Plex Mono", monospace; font-size: 12px; letter-spacing: .12em; }
.ad-mods rect { fill: rgba(255,255,255,.03); stroke: rgba(255,255,255,.24); stroke-dasharray: 4 4; }
.ad-mods-title { fill: var(--paper); font-family: "IBM Plex Mono", monospace; font-size: 12px; letter-spacing: .14em; }
.ad-mods-sub { fill: var(--mist); font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .1em; }

/* mobile: vertical stacked diagram (no horizontal scroll) */
.asset-flow-mobile { display: none; }
.afm-fonti, .afm-out { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.afm-fonti span { border: 1px solid var(--hairline-d); padding: 6px 11px; font-size: 11px; letter-spacing: .1em; color: var(--mist); }
.afm-arrow { text-align: center; color: var(--mist); font-size: 20px; margin: 8px 0; }
.afm-node { border: 1px solid rgba(255,255,255,.28); padding: 18px 16px; text-align: center; }
.afm-node b { display: block; font-family: "Switzer", Arial, sans-serif; font-weight: 400; font-size: 26px; }
.afm-gos { background: rgba(255,255,255,.05); }
.afm-gos b { font-size: 40px; }
.afm-node small { color: var(--mist); font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .06em; }
.afm-learn { text-align: center; color: rgba(255,255,255,.5); font-size: 11px; letter-spacing: .08em; margin: 8px 4px; }
.afm-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.afm-out { flex-direction: column; }
.afm-out span { border: 1px solid var(--hairline-d); padding: 13px; text-align: center; color: var(--paper); font-size: 15px; }
@media (max-width: 760px){ .asset-flow-svg { display: none; } .asset-flow-mobile { display: block; } }
@media (max-width: 400px){ .afm-pair { grid-template-columns: 1fr; } }

/* ============================================================
   METHOD (accordion list)
   ============================================================ */
.method-instrument { margin-top: clamp(50px, 7vh, 80px); border: 1px solid var(--hairline); padding: 22px clamp(20px, 3vw, 40px) 18px; }
.method-instrument-head { display: flex; justify-content: space-between; gap: 20px; color: var(--mist); font-size: 10px; }
.method-viz { width: 100%; height: 96px; display: block; margin: 6px 0; }
.method-instrument-labels { display: flex; justify-content: space-between; color: var(--steel); font-size: 10px; }
@media (max-width: 640px){ .method-instrument-labels span:nth-child(2), .method-instrument-labels span:nth-child(3) { display: none; } }
.method-list { margin-top: clamp(50px, 7vh, 80px); border-top: 1px solid var(--hairline); }
.section.dark .method-list { border-color: var(--hairline-d); }
.method-row { border-bottom: 1px solid var(--hairline); }
.section.dark .method-row { border-color: var(--hairline-d); }
.method-row button { width: 100%; display: grid; grid-template-columns: 60px 1fr auto; gap: 24px; align-items: center; padding: 30px 0; text-align: left; }
.method-row .mono { color: var(--mist); }
.method-row h3 { font-size: clamp(22px, 2.6vw, 34px); transition: transform .5s var(--ease-cine); }
.method-row:hover h3 { transform: translateX(16px); }
.method-row .plus { width: 34px; height: 34px; position: relative; }
.method-row .plus::before, .method-row .plus::after { content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); background: currentColor; }
.method-row .plus::before { width: 16px; height: 1.5px; }
.method-row .plus::after { width: 1.5px; height: 16px; transition: transform .4s; }
.method-row.open .plus::after { transform: translate(-50%,-50%) scaleY(0); }
.method-row .body { max-height: 0; overflow: hidden; transition: max-height .6s var(--ease-cine); }
.method-row .body p { padding: 0 0 32px 84px; color: var(--steel); max-width: 60ch; }
.section.dark .method-row .body p { color: var(--mist); }
@media (max-width: 640px){ .method-row .body p { padding-left: 0; } .method-row button { grid-template-columns: 40px 1fr auto; gap: 14px; } }

/* ============================================================
   MANIFESTO / STATEMENT
   ============================================================ */
.manifesto { position: relative; overflow: hidden; text-align: center; }
.manifesto .display { max-width: 20ch; margin: 0 auto; position: relative; z-index: 2; }
.manifesto .lead { margin: 30px auto 40px; text-align: center; }
.manifesto-glow { position: absolute; width: 66vw; height: 66vw; border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%,-50%); background: radial-gradient(circle, rgba(255,255,255,.09), transparent 62%); z-index: 0; }
.manifesto-axis { position: absolute; right: 6vw; top: 50%; transform: translateY(-50%); width: 120px; color: rgba(255,255,255,.3); z-index: 1; }
.manifesto-axis img { filter: brightness(0) invert(1); opacity: .3; }

/* ============================================================
   CONTACT / FOOTER
   ============================================================ */
.footer { background: var(--ink); color: var(--paper); padding: clamp(80px, 11vh, 140px) max(var(--edge), calc((100% - var(--maxw)) / 2)) 52px; position: relative; overflow: hidden; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-top: clamp(48px, 6vh, 68px); padding-bottom: 60px; border-bottom: 1px solid var(--hairline-d); }
@media (max-width: 900px){ .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; } }
@media (max-width: 560px){ .footer-top { grid-template-columns: 1fr; } }
.footer-brand .wordmark { font-size: 20px; margin-bottom: 20px; }
.footer-brand p { color: var(--mist); }
.footer-col { display: grid; gap: 12px; align-content: start; }
.footer-col .mono { color: var(--mist); margin-bottom: 8px; }
.footer-col a, .footer-col p { color: rgba(255,255,255,.8); font-size: 15px; transition: color .3s; }
.footer-col a:hover { color: var(--paper); }
/* Partner commerciali GOS (dentro la colonna contatti) */
.footer-partners { display: grid; gap: 12px; margin-top: 4px; }
.footer-partners .fp-h { color: var(--mist); font-size: 11px; letter-spacing: .12em; margin-bottom: 2px; }
.footer-partners .fp { color: rgba(255,255,255,.6); font-size: 12.5px; line-height: 1.5; margin: 0; }
.footer-partners .fp b { display: block; color: rgba(255,255,255,.82); font-weight: 500; font-size: 11px; letter-spacing: .04em; margin-bottom: 1px; }
.footer-partners .fp a { color: rgba(255,255,255,.7); }
.footer-partners .fp a:hover { color: var(--paper); }
.footer-cta { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; padding: 50px 0; border-bottom: 1px solid var(--hairline-d); }
.footer-cta h2 { font-size: clamp(30px, 5vw, 72px); font-weight: 300; }
.footer-cta a { width: clamp(70px, 9vw, 110px); height: clamp(70px, 9vw, 110px); border: 1px solid var(--hairline-d); display: grid; place-items: center; font-size: 28px; transition: background .5s var(--ease-cine), color .5s, transform .5s var(--ease-cine); flex: 0 0 auto; }
.footer-cta a:hover { background: var(--paper); color: var(--ink); transform: rotate(45deg); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 12px 40px; justify-content: space-between; padding-top: 34px; color: var(--mist); font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .14em; }
.footer-bottom .fb-group { display: flex; flex-wrap: wrap; gap: 10px 26px; }
.footer-bottom .fb-group.right { justify-content: flex-end; }

/* ============================================================
   INTERNAL PAGES
   ============================================================ */
.ipage-hero { position: relative; min-height: 100svh; background: var(--ink); color: var(--paper); overflow: hidden; display: flex; align-items: flex-end; padding: 0 var(--edge) clamp(60px, 10vh, 120px); }
.ipage-hero canvas { position: absolute; inset: 0; z-index: 0; opacity: .8; }
.ipage-hero .grid-bg { position: absolute; inset: 0; z-index: 0;
  background-image: linear-gradient(var(--hairline-d) 1px, transparent 1px), linear-gradient(90deg, var(--hairline-d) 1px, transparent 1px);
  background-size: 90px 90px; mask-image: radial-gradient(80% 80% at 30% 70%, #000, transparent); opacity: .6; }
.ipage-hero-index { position: absolute; top: calc(var(--header-h) + 20px); left: var(--edge); right: var(--edge); z-index: 2; display: flex; align-items: center; gap: 16px; color: var(--mist); font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .18em; }
.ipage-hero-index i { flex: 1; height: 1px; background: rgba(255,255,255,.2); }
.ipage-hero-copy { position: relative; z-index: 2; max-width: 1100px; }
.ipage-hero-copy .eyebrow { color: var(--signal); margin-bottom: 26px; }
.ipage-hero-copy h1 { font-size: clamp(46px, 9vw, 150px); line-height: .94; font-weight: 300; letter-spacing: -.03em; }
.ipage-hero-copy h1 .muted { color: rgba(255,255,255,.42); }
.ipage-hero-copy p { margin-top: 30px; max-width: 54ch; color: var(--mist); font-size: clamp(16px, 1.5vw, 21px); }
.ipage-hero-watermark { position: absolute; right: var(--edge); bottom: clamp(60px, 10vh, 120px); z-index: 1; font-family: "IBM Plex Mono", monospace; writing-mode: vertical-rl; letter-spacing: .3em; font-size: 12px; color: rgba(255,255,255,.3); }

/* Internal hero as a window into the film (matches the home wordmark) */
.ipage-hero.hw { display: block; padding: 0; background: #050506; }
.ipage-hero.hw .hero-media { position: absolute; inset: 0; z-index: 0; }
.hw-sub { position: absolute; z-index: 2; left: 0; right: 0; bottom: clamp(80px, 14vh, 140px);
  padding-inline: max(var(--edge), calc((100% - var(--maxw)) / 2)); }
.hw-sub .eyebrow { display: block; color: var(--paper); margin-bottom: 18px; }
.hw-sub h1 { font-size: clamp(24px, 3.4vw, 50px); line-height: 1.06; font-weight: 400; letter-spacing: -.01em; max-width: 22ch; }
.hw-sub h1 .muted { color: rgba(255,255,255,.45); }
.hw-sub p { margin-top: 18px; max-width: 52ch; color: var(--mist); font-size: clamp(15px, 1.4vw, 19px); }

/* flat internal hero: full-bleed film + scrim, reduced title (like home) */
.ipage-hero.hw.flat .hero-media video { filter: grayscale(1) contrast(1.18) brightness(.6); }
.ipage-hero.hw.flat::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(to top, rgba(5,5,6,.9) 0%, rgba(5,5,6,.34) 48%, rgba(5,5,6,.62) 100%); }
.ipage-hero.hw.flat .hw-sub h1 { font-size: clamp(38px, 7.4vw, 96px); line-height: 1.0; letter-spacing: -.02em; max-width: 15ch; }
.hero-flow { position: absolute; inset: 0; z-index: 0; display: block; width: 100%; height: 100%; }

.intro-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
@media (max-width: 860px){ .intro-split { grid-template-columns: 1fr; gap: 30px; } }
.intro-split h2 { font-size: clamp(28px, 4vw, 56px); line-height: 1.04; }
.intro-copy { display: grid; gap: 20px; color: var(--steel); font-size: clamp(16px, 1.4vw, 19px); }
.section.dark .intro-copy { color: var(--mist); }

/* Tabs */
.tabs-layout { display: grid; grid-template-columns: 260px 1fr; gap: 50px; margin-top: 60px; }
@media (max-width: 800px){ .tabs-layout { grid-template-columns: 1fr; gap: 24px; } }
.tabs-nav { display: grid; gap: 4px; align-content: start; border-left: 1px solid var(--hairline); }
.section.dark .tabs-nav { border-color: var(--hairline-d); }
.tabs-nav button { text-align: left; padding: 16px 22px; font-size: clamp(18px, 2vw, 24px); color: var(--mist); position: relative; transition: color .3s, padding .4s; }
.tabs-nav button::before { content: ""; position: absolute; left: -1px; top: 10%; bottom: 10%; width: 2px; background: currentColor; transform: scaleY(0); transition: transform .4s var(--ease-cine); }
.tabs-nav button.active { color: inherit; padding-left: 30px; }
.tabs-nav button.active::before { transform: scaleY(1); }
@media (max-width: 800px){ .tabs-nav { display: flex; flex-wrap: wrap; border-left: 0; } }
.tabs-panels { position: relative; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: tabIn .6s var(--ease-cine); }
.tab-panel .mono { color: var(--signal); margin-bottom: 18px; }
.tab-panel h3 { font-size: clamp(24px, 3.2vw, 44px); line-height: 1.06; margin-bottom: 18px; max-width: 20ch; }
.tab-panel p { color: var(--steel); max-width: 52ch; font-size: 17px; }
.section.dark .tab-panel p { color: var(--mist); }
@keyframes tabIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

/* System stack */
.stack { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 860px){ .stack { grid-template-columns: 1fr; } }
.stack-visual { display: grid; gap: 10px; }
.stack-layer { display: grid; grid-template-columns: 50px 1fr; gap: 18px; align-items: center; padding: 22px 26px; border: 1px solid var(--hairline-d); text-align: left; position: relative; overflow: hidden; transition: transform .5s var(--ease-cine), background .4s; }
.stack-layer span { font-family: "IBM Plex Mono", monospace; color: var(--mist); }
.stack-layer b { font-weight: 400; font-size: 20px; }
.stack-layer small { display: block; color: var(--mist); font-size: 13px; margin-top: 2px; }
.stack-layer.active { background: linear-gradient(90deg, rgba(255,255,255,.08), transparent); transform: translateX(14px); }
.stack-layer.active::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--signal); }

/* Capability rows */
.cap-row { display: grid; grid-template-columns: 80px 1fr 2fr; gap: 30px; align-items: baseline; padding: 40px 0; border-top: 1px solid var(--hairline); transition: padding .5s var(--ease-cine); }
.cap-row:hover { padding-left: 20px; }
.cap-row span { font-family: "IBM Plex Mono", monospace; color: var(--mist); font-size: 14px; }
.cap-row h3 { font-size: clamp(20px, 2.4vw, 30px); }
.cap-row p { color: var(--steel); }
@media (max-width: 760px){ .cap-row { grid-template-columns: 1fr; gap: 12px; } }

/* Principle columns */
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 50px; }
.principles.four { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 760px){ .principles, .principles.four { grid-template-columns: 1fr; } }
.principles article { border: 1px solid var(--hairline-d); padding: 34px 30px; transition: transform .5s var(--ease-cine); }
.principles article:hover { transform: translateY(-6px); }
.principles .mono { color: var(--signal); }
.principles h3 { font-size: 24px; margin: 16px 0 10px; }
.principles p { color: var(--mist); font-size: 15px; }

/* Asset explorer */
.explorer { display: grid; grid-template-columns: 280px 1fr; gap: 50px; margin-top: 40px; }
@media (max-width: 860px){ .explorer { grid-template-columns: 1fr; gap: 24px; } }
.explorer-nav { display: grid; gap: 6px; align-content: start; }
.explorer-nav button { display: grid; grid-template-columns: 40px 1fr; gap: 14px; text-align: left; padding: 22px 20px; border: 1px solid var(--hairline-d); font-size: 26px; font-weight: 300; color: var(--mist); transition: background .4s, color .4s; }
.explorer-nav button span { font-family: "IBM Plex Mono", monospace; font-size: 12px; align-self: center; }
.explorer-nav button.active { background: var(--paper); color: var(--ink); }
.explorer-panel { display: none; position: relative; }
.explorer-panel.active { display: block; animation: tabIn .6s var(--ease-cine); }
.explorer-panel .big-index { font-family: "IBM Plex Mono", monospace; font-size: clamp(80px, 14vw, 200px); line-height: .8; color: rgba(255,255,255,.08); position: absolute; top: -20px; right: 0; font-weight: 500; }
.explorer-panel .mono { color: var(--signal); margin-bottom: 10px; }
.explorer-panel h2 { font-size: clamp(40px, 7vw, 100px); letter-spacing: .04em; margin-bottom: 16px; }
.explorer-panel h3 { font-size: clamp(20px, 2.4vw, 30px); font-weight: 300; margin-bottom: 16px; color: var(--paper); }
.explorer-panel > p { color: var(--mist); max-width: 54ch; font-size: 17px; margin-bottom: 26px; }
.explorer-panel ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.explorer-panel li { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .12em; color: var(--mist); border: 1px solid var(--hairline-d); padding: 8px 14px; }

/* Verification chain */
.vchain { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 40px; }
.vchain > div { border: 1px solid var(--hairline-d); padding: 26px 34px; display: grid; gap: 8px; flex: 1; min-width: 180px; transition: background .4s; }
.vchain > div:hover { background: rgba(255,255,255,.04); }
.vchain .mono { color: var(--signal); }
.vchain b { font-weight: 300; font-size: 22px; }
.vchain i { color: var(--mist); font-style: normal; font-size: 24px; }
@media (max-width: 760px){ .vchain i { display: none; } }

/* Next chapter */
.next { display: grid; gap: 22px; text-align: center; padding: clamp(72px, 11vh, 140px) max(var(--edge), calc((100% - var(--maxw)) / 2)); border-top: 1px solid var(--hairline); }
.next .mono { color: var(--mist); }
.next h2 { font-size: clamp(40px, 8vw, 120px); font-weight: 300; }
.next a { display: inline-flex; align-items: center; gap: 14px; justify-self: center; font-size: clamp(18px, 2vw, 24px); border-bottom: 1px solid currentColor; padding-bottom: 6px; }
.next a i { transition: transform .4s var(--ease-cine); }
.next a:hover i { transform: translateX(8px); }

/* ============================================================
   TILT + PARALLAX helpers
   ============================================================ */
[data-tilt] { transform: perspective(900px) rotateX(var(--tilt-y)) rotateY(var(--tilt-x)); transition: transform .3s var(--ease-soft); will-change: transform; }

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .grain, .hero-scan, .marquee-track { animation: none !important; }
  [data-reveal], .line-mask > span { opacity: 1 !important; transform: none !important; }
  .depth-scroll { height: auto; }
  .depth-sticky { position: relative; height: auto; }
  .hscroll-sticky { position: relative; height: auto; }
  .hscroll-track { flex-wrap: wrap; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1180px){ :root { --header-h: 76px; } }
/* header con 6 voci (GOS · Studio · Sviluppo · Prodotti · Metodo · Signals): più compatto, poi burger */
@media (max-width: 1360px){
  .nav a { padding: 10px 11px; }
  .nav a::after { left: 11px; right: 11px; }
}
@media (max-width: 1120px){
  .nav { display: none; }
  .cta { display: none; }
  .burger { display: block; margin-left: auto; }
}
@media (max-width: 820px){
  .nav { display: none; }
  .cta { display: none; }
  .burger { display: block; margin-left: auto; }
  .header { gap: 12px; }
}
@media (max-width: 560px){
  :root { --edge: 20px; }
  .hero-foot { flex-direction: column; align-items: flex-start; }
  .hero-principles { flex-wrap: wrap; }
}

/* ============================================================
   MOBILE BOTTOM BAR — quick nav (phones only)
   ============================================================ */
.mobar { display: none; }
@media (max-width: 720px){
  .mobar { display: grid; grid-template-columns: repeat(4, 1fr); position: fixed; left: 0; right: 0; bottom: 0; z-index: 1400;
    background: #0B0B0B; border-top: 1px solid rgba(255,255,255,.12); padding-bottom: env(safe-area-inset-bottom);
    transition: transform .4s var(--ease-cine), opacity .3s ease; }
  .mobar-item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
    padding: 9px 4px 10px; color: var(--paper); text-decoration: none; position: relative; -webkit-tap-highlight-color: transparent; }
  .mobar-ic { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; }
  .mobar-ic svg { width: 21px; height: 21px; display: block; opacity: .74; transition: opacity .25s; }
  .mobar-item span { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 9px; letter-spacing: .12em;
    text-transform: uppercase; color: var(--paper); opacity: .55; transition: opacity .25s; }
  .mobar-item.is-current .mobar-ic svg, .mobar-item.is-current span { opacity: 1; }
  .mobar-item.is-current::before { content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 22px; height: 2px; background: var(--paper); }
  .mobar-item.cta .mobar-ic { background: var(--paper); }
  .mobar-item.cta .mobar-ic svg { color: #0B0B0B; opacity: 1; }
  .mobar-item.cta span { opacity: .9; }

  body { padding-bottom: calc(60px + env(safe-area-inset-bottom)); }
  body.menu-open .mobar { transform: translateY(110%); opacity: 0; pointer-events: none; }
  .gos { bottom: calc(76px + env(safe-area-inset-bottom)); }
  /* keep Cookiebot's floating badge above the mobile bottom bar */
  #CookiebotWidget { bottom: calc(78px + env(safe-area-inset-bottom)) !important; }
}

/* ============================================================
   CONTACT FORM — multi-step guidato
   ============================================================ */
.cform-shell {
  display: grid; grid-template-columns: 0.9fr 1.25fr;
  gap: clamp(32px, 5vw, 96px);
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(96px, 14vh, 168px) var(--edge) clamp(64px, 9vh, 120px);
  align-items: start;
}
.cform-aside { position: sticky; top: 120px; }
.cform-title { font-family: "Switzer", Arial, sans-serif; font-weight: 300; letter-spacing: -.02em; line-height: 1.02; font-size: clamp(38px, 5vw, 72px); margin: 14px 0 20px; }
.cform-intro { color: var(--steel); max-width: 40ch; line-height: 1.6; font-size: clamp(15px, 1.1vw, 17px); }
.cform-readout { margin-top: 30px; border: 1px solid var(--hairline); border-left: 2px solid var(--ink); padding: 16px 18px; background: rgba(0,0,0,.015); }
.cform-readout .mono { display: block; font-size: 9.5px; letter-spacing: .22em; color: var(--mist); margin-bottom: 7px; }
.cform-readout p { margin: 0; font-size: 14.5px; line-height: 1.5; color: var(--ink); min-height: 2.2em; }
.cform-steps { display: flex; flex-direction: column; gap: 9px; margin-top: 30px; }
.cform-steps span { font-size: 11px; letter-spacing: .12em; color: var(--mist); transition: color .3s; }
.cform-steps span.on { color: var(--ink); }
.cform-direct { margin-top: 30px; font-size: 11px; letter-spacing: .06em; color: var(--mist); }
.cform-direct a { color: var(--ink); border-bottom: 1px solid var(--hairline); }

.cform-main { position: relative; min-height: 60vh; }
.cform-progress { height: 2px; background: var(--hairline); margin-bottom: clamp(30px, 5vh, 54px); overflow: hidden; }
.cform-progress i { display: block; height: 100%; width: 25%; background: var(--ink); transition: width .5s var(--ease-cine, cubic-bezier(.7,0,.2,1)); }

.cform { border: 0; }
.cstep { display: none; border: 0; padding: 0; margin: 0; min-inline-size: auto; }
.cstep.is-active { display: block; animation: cstepIn .45s var(--ease-cine, ease) both; }
@keyframes cstepIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.cstep-h { font-family: "Switzer", Arial, sans-serif; font-weight: 300; font-size: clamp(24px, 2.6vw, 34px); letter-spacing: -.01em; margin-bottom: clamp(22px, 3vh, 32px); padding: 0; display: flex; align-items: baseline; gap: 14px; }
.cstep-h .mono { font-size: 12px; letter-spacing: .2em; color: var(--mist); }

/* opzioni grandi (ambito) */
.copt-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.copt { text-align: left; border: 1px solid var(--hairline); background: transparent; padding: 20px; cursor: pointer; display: flex; flex-direction: column; gap: 6px; transition: border-color .25s, background .25s, transform .25s; position: relative; }
.copt:hover { border-color: var(--steel); transform: translateY(-2px); }
.copt .copt-k { font-size: 10px; letter-spacing: .2em; color: var(--mist); }
.copt b { font-family: "Switzer", Arial, sans-serif; font-weight: 500; font-size: 18px; }
.copt small { color: var(--steel); font-size: 13px; line-height: 1.45; }
.copt.on { border-color: var(--ink); background: var(--ink); }
.copt.on .copt-k { color: rgba(255,255,255,.5); }
.copt.on b { color: var(--paper); }
.copt.on small { color: rgba(255,255,255,.7); }

/* chips (needs, budget, timeline) */
.cfield { margin-bottom: clamp(22px, 3vh, 30px); }
.cfield-label { display: block; font-size: 11px; letter-spacing: .16em; color: var(--mist); margin-bottom: 12px; }
.cfield-label em { font-style: normal; text-transform: none; letter-spacing: 0; opacity: .8; }
.copt-chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip { border: 1px solid var(--hairline); background: transparent; color: var(--ink); font-size: 13.5px; padding: 9px 15px; border-radius: 40px; cursor: pointer; transition: border-color .2s, background .2s, color .2s; font-family: inherit; }
.chip:hover { border-color: var(--steel); }
.chip.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* input */
.cgrid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.cinput { display: flex; flex-direction: column; gap: 8px; }
.cinput > span { font-size: 12px; letter-spacing: .04em; color: var(--steel); }
.cinput .opt { font-style: normal; color: var(--mist); }
.cinput input, .cinput textarea {
  font-family: inherit; font-size: 15px; color: var(--ink); background: transparent;
  border: 0; border-bottom: 1px solid var(--hairline-d); padding: 9px 2px; transition: border-color .25s;
  border-radius: 0; width: 100%;
}
.cinput textarea { border: 1px solid var(--hairline-d); padding: 12px; resize: vertical; min-height: 96px; }
.cinput input:focus, .cinput textarea:focus { outline: none; border-color: var(--ink); }
.cinput.has-err input, .cinput.has-err textarea { border-color: #c0392b; }
.cerr { font-size: 12px; color: #c0392b; display: none; }
.cerr.show { display: block; }

/* consenso */
.cconsent { display: flex; gap: 12px; align-items: flex-start; margin-top: clamp(20px, 3vh, 28px); cursor: pointer; }
.cconsent input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--ink); flex: 0 0 auto; }
.cconsent span { font-size: 13.5px; line-height: 1.5; color: var(--steel); }
.cconsent a { color: var(--ink); border-bottom: 1px solid var(--hairline); }

.crecap { border-top: 1px solid var(--hairline); margin-top: 22px; padding-top: 16px; display: grid; gap: 8px; }
.crecap:empty { display: none; }
.crecap-row { display: flex; justify-content: space-between; gap: 16px; font-size: 13.5px; }
.crecap-row .mono { font-size: 10px; letter-spacing: .16em; color: var(--mist); align-self: center; }
.crecap-row b { font-weight: 500; text-align: right; }

.cform-note { margin-top: 16px; font-size: 10.5px; letter-spacing: .06em; color: var(--mist); }

/* navigazione */
.cform-nav { display: flex; align-items: center; gap: 12px; margin-top: clamp(30px, 5vh, 46px); }
.cbtn { display: inline-flex; align-items: center; gap: 10px; font-family: inherit; font-size: 14px; letter-spacing: .01em; padding: 13px 22px; border: 1px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer; transition: background .25s, color .25s, opacity .25s; border-radius: 0; }
.cbtn i { font-style: normal; }
.cbtn.solid, .cbtn[data-next] { background: var(--ink); color: var(--paper); }
.cbtn.solid:hover, .cbtn[data-next]:hover { opacity: .85; }
.cbtn.ghost { border-color: var(--hairline-d); }
.cbtn.ghost:hover { border-color: var(--ink); }
.cbtn[data-next], .cbtn.solid { margin-left: auto; }
.cbtn.ghost[data-back] { margin-right: auto; }
.cbtn.is-loading { opacity: .6; cursor: progress; }
.cbtn:disabled { cursor: not-allowed; }
.cbtn[hidden] { display: none !important; }

/* pagine legali / testo lungo */
.legal-wrap { max-width: 760px; margin: 0 auto; padding: clamp(96px, 14vh, 168px) var(--edge) clamp(64px, 9vh, 120px); }
.legal-eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; color: var(--mist); }
.legal-wrap h1 { font-family: "Switzer", Arial, sans-serif; font-weight: 300; letter-spacing: -.02em; font-size: clamp(34px, 4.4vw, 58px); margin: 14px 0 8px; }
.legal-meta { color: var(--mist); font-size: 12px; letter-spacing: .04em; margin-bottom: clamp(30px, 5vh, 54px); }
.legal h2 { font-family: "Switzer", Arial, sans-serif; font-weight: 500; font-size: clamp(19px, 1.8vw, 23px); letter-spacing: -.01em; margin: clamp(30px, 4vh, 46px) 0 12px; display: flex; gap: 12px; }
.legal h2 span { font-family: var(--mono); font-size: 13px; color: var(--mist); font-weight: 400; }
.legal p, .legal li { color: var(--steel); line-height: 1.7; font-size: 15px; }
.legal p { margin: 0 0 12px; }
.legal ul { margin: 0 0 12px; padding-left: 20px; }
.legal li { margin-bottom: 6px; }
.legal a { color: var(--ink); border-bottom: 1px solid var(--hairline); }
.legal strong { color: var(--ink); font-weight: 500; }
.legal-box { border: 1px solid var(--hairline); border-left: 2px solid var(--ink); padding: 16px 18px; margin: 18px 0; font-size: 14px; color: var(--steel); }
.footer-bottom .fb-group a { color: inherit; opacity: .85; border-bottom: 1px solid rgba(255,255,255,.28); padding-bottom: 1px; }
.footer-bottom .fb-group a:hover { opacity: 1; }

/* Language switcher (header) — follows the header colour (currentColor), flips with on-dark */
.lang-switch { display: flex; align-items: center; gap: 7px; font-size: 11px; letter-spacing: .08em; color: currentColor; }
.lang-switch a { color: currentColor; opacity: .5; transition: opacity .25s; }
.lang-switch a:hover { opacity: 1; }
.lang-switch b { color: currentColor; opacity: 1; font-weight: 500; }
.lang-switch span { color: currentColor; opacity: .3; }
@media (max-width: 900px) { .lang-switch { display: none; } }

/* HERO — scroll-guide: macchina futuristica vista dall'alto */
.hero-route { position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; transform: translateX(-50%); z-index: 2; pointer-events: none; }
.hero-route::before { content: ""; position: absolute; left: 50%; transform: translateX(-50%); top: 44vh; bottom: 5vh; width: 1px; background: repeating-linear-gradient(to bottom, rgba(255,255,255,.15) 0 7px, transparent 7px 20px); opacity: 0; animation: heroRouteIn 1.2s ease 1.6s forwards; }
.hero-car { position: absolute; left: 50%; top: calc(50vh + var(--p, 0) * 44vh); transform: translate(-50%, -50%); opacity: calc(1 - max((var(--p, 0) - 0.82) * 5.5, 0)); will-change: top, opacity; }
.hero-car::before { content: ""; position: absolute; left: 50%; top: 50%; width: 110px; height: 110px; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.14), rgba(255,255,255,0) 68%); pointer-events: none; }
.hero-car-svg { position: relative; display: block; width: 52px; height: auto; filter: drop-shadow(0 0 11px rgba(255,255,255,.55)); animation: heroCarIdle 2.6s ease-in-out infinite, heroCarIn 1s var(--ease-cine, ease) 1.7s both; }
.hero-car-hl { animation: heroCarPulse 2.6s ease-in-out infinite; }
.hero-center { z-index: 5; }
@keyframes heroRouteIn { to { opacity: 1; } }
@keyframes heroCarIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes heroCarIdle { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-2.5px); } }
@keyframes heroCarPulse { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }
@media (max-width: 700px) { .hero-car-svg { width: 34px; } }
@media (prefers-reduced-motion: reduce) { .hero-car-svg, .hero-car-hl { animation: none; } }

.cform-error { margin-top: 16px; color: #c0392b; font-size: 12.5px; letter-spacing: .04em; }

/* honeypot */
.chp { position: absolute; left: -9999px; top: 0; width: 1px; height: 1px; overflow: hidden; }

/* conferma */
.cform-done { text-align: center; padding: clamp(30px, 6vh, 60px) 0; animation: cstepIn .5s ease both; }
.cdone-mark { font-size: 11px; letter-spacing: .24em; color: var(--mist); }
.cform-done h2 { font-family: "Switzer", Arial, sans-serif; font-weight: 300; font-size: clamp(40px, 6vw, 76px); letter-spacing: -.02em; margin: 14px 0 16px; }
.cform-done p { color: var(--steel); max-width: 44ch; margin: 0 auto 10px; line-height: 1.6; }
.cdone-ref { color: var(--ink) !important; letter-spacing: .14em; font-size: 12px; }
.cdone-ref b { font-weight: 600; }
.cform-done .cbtn { margin-top: 26px; }

@media (max-width: 900px) {
  .cform-shell { grid-template-columns: 1fr; gap: 40px; padding-top: clamp(88px, 12vh, 120px); }
  .cform-aside { position: static; }
  .cform-steps { flex-direction: row; flex-wrap: wrap; gap: 6px 16px; }
}
@media (max-width: 560px) {
  .copt-grid { grid-template-columns: 1fr; }
  .cgrid2 { grid-template-columns: 1fr; }
  .cform-nav { flex-wrap: wrap; }
}

/* ==== SIGNALS — magazine cards (index + home) ==== */
.signals-cards{ display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,380px)); justify-content:start; gap:28px; margin-top:2.4rem; }
.signal-card{ display:flex; flex-direction:column; text-decoration:none; color:inherit; border:1px solid var(--line,#e6e6e2); background:var(--paper,#fbfbfa); transition:transform .35s cubic-bezier(.22,1,.36,1), border-color .35s ease; }
.signal-card:hover{ transform:translateY(-4px); border-color:var(--ink,#0b0b0b); }
.signal-card-media{ aspect-ratio:16/9; overflow:hidden; border-bottom:1px solid var(--line,#e6e6e2); background:var(--ink,#0b0b0b); }
.signal-card-media img{ width:100%; height:100%; object-fit:cover; display:block; transition:transform .6s cubic-bezier(.22,1,.36,1); }
.signal-card:hover .signal-card-media img{ transform:scale(1.03); }
.signal-card-body{ padding:22px 22px 26px; display:flex; flex-direction:column; gap:12px; flex:1; }
.signal-card-meta{ display:flex; gap:14px; font-size:11px; letter-spacing:.2em; color:var(--steel,#6c6c6c); }
.signal-card h3{ font-size:clamp(20px,2.2vw,25px); line-height:1.12; letter-spacing:-.01em; margin:0; font-weight:700; }
.signal-card-body p{ font-size:14px; line-height:1.5; color:var(--steel,#5a5a5a); margin:0; }
.signal-card-cta{ margin-top:auto; font-size:11px; letter-spacing:.18em; text-transform:uppercase; }
.signal-tag{ display:inline-block; background:var(--ink,#0b0b0b); color:var(--paper,#fbfbfa); padding:3px 9px; border-radius:2px; font-size:10px; letter-spacing:.16em; line-height:1; }

/* ============================================================
   ENTERPRISE REFINE (2026) — più aria e calma, design originale intatto
   ============================================================ */
/* Schermata di caricamento: orbite lente e sobrie, logo contenuto */
.boot-grid { opacity: .5; background-size: 82px 82px; }
.boot-orbit { border-color: rgba(255,255,255,.09); }
.boot-orbit.a { width: 236px; height: 236px; animation-duration: 16s; }
.boot-orbit.b { width: 352px; height: 352px; animation-duration: 26s; opacity: .5; }
.boot-orbit .sat { width: 5px; height: 5px; }
.boot-core { width: 118px; }
.boot-pct { color: var(--paper); }

/* Sezioni: più respiro verticale + spaziature interne più ariose */
.section { padding-block: clamp(104px, 16vh, 216px); }
.split-head { margin-bottom: clamp(64px, 9vh, 120px); gap: clamp(40px, 5vw, 84px); }
.onto-flow { margin-top: clamp(60px, 9vh, 104px); }
.traj { margin-top: clamp(64px, 9vh, 100px); }
.pillars { margin-top: clamp(64px, 9vh, 104px); }
.asset-showcase { margin-top: clamp(56px, 8vh, 96px); }
.signals-cards { margin-top: clamp(48px, 7vh, 80px); }
.section-cta { margin-top: clamp(52px, 8vh, 88px); }

/* Pagine interne · hero più calmo: via i label HUD ridondanti agli angoli */
.ipage-hero .hero-hud { display: none; }

/* ============================================================
   HOME 2026 — NARRATIVA GOS-FIRST (nuovi blocchi, stessa lingua di design)
   ============================================================ */
/* Hero · promessa al posto del wordmark, stessa composizione */
.hero-eyebrow { color: var(--mist); letter-spacing: .3em; font-size: 11px; }
.hero-lead-h { font-family: "Switzer", Arial, sans-serif; font-weight: 300; color: var(--paper);
  line-height: 1.02; letter-spacing: -.02em; font-size: clamp(34px, 6.6vw, 88px); max-width: 15ch; }
.hero-lead-sub { color: var(--mist); font-size: clamp(15px, 1.55vw, 19px); max-width: 58ch; line-height: 1.55; }
.hero-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 12px; }
.hero-chips span { font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: .18em;
  color: var(--mist); border: 1px solid rgba(255,255,255,.22); padding: 6px 12px; }

/* GOS · riga di negazione */
.gos-neg { margin-top: 24px; color: var(--mist); font-size: clamp(15px, 1.4vw, 18px); line-height: 1.6; max-width: 56ch; }
.gos-neg b { color: var(--paper); font-weight: 500; }

/* Architettura · Neural / Symbolic / Memory / Verification / Action */
/* Header di sezione impilato (gerarchia top-down, 1 idea per sezione) */
.hsec-head { max-width: 900px; display: grid; gap: clamp(18px, 2.6vh, 30px); margin-bottom: clamp(8px, 2vh, 20px); }
.hsec-head .lead { max-width: 60ch; }
.hsec-head .gos-neg { margin-top: 0; }

.arch-intro { margin-top: clamp(52px, 8vh, 92px); color: var(--mist); letter-spacing: .18em; font-size: 11px; }
.arch-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--hairline-d);
  border: 1px solid var(--hairline-d); margin-top: clamp(48px, 8vh, 88px); }
.arch-intro + .arch-grid { margin-top: 18px; }
.arch-card { background: #0A0A0D; padding: 30px 24px 28px; display: flex; flex-direction: column; gap: 12px; min-height: 210px; }
.arch-card .arch-k { color: rgba(255,255,255,.28); font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .12em; }
.arch-card .mono { color: var(--paper); letter-spacing: .18em; font-size: 12px; }
.arch-card p { color: var(--mist); font-size: 13.5px; line-height: 1.55; }
@media (max-width: 980px){ .arch-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .arch-grid { grid-template-columns: 1fr; } }

/* Studio · Development / Growth / Cognitive Systems */
.studio-areas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--hairline);
  border: 1px solid var(--hairline); margin-top: clamp(56px, 8vh, 96px); }
.studio-area { background: var(--paper); padding: 36px 30px; display: flex; flex-direction: column; gap: 18px; }
.studio-area .mono { color: var(--ink); letter-spacing: .18em; font-size: 12px; }
.studio-area ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.studio-area li { font-family: "IBM Plex Mono", monospace; font-size: 11.5px; letter-spacing: .1em;
  color: var(--steel); padding-left: 20px; position: relative; }
.studio-area li::before { content: ""; position: absolute; left: 0; top: 7px; width: 8px; height: 1px; background: currentColor; }
@media (max-width: 860px){ .studio-areas { grid-template-columns: 1fr; } }

/* Cosa abilita · griglia capacità */
.enable-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--hairline);
  border: 1px solid var(--hairline); margin-top: clamp(48px, 7vh, 80px); }
.enable-item { background: var(--paper); padding: 28px 22px; min-height: 122px; display: flex; flex-direction: column;
  justify-content: space-between; gap: 16px; transition: background .4s; }
.enable-item:hover { background: var(--paper-2); }
.enable-item .en-k { font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: .14em; color: var(--mist); }
.enable-item b { font-weight: 400; font-size: 16px; letter-spacing: -.01em; }
@media (max-width: 900px){ .enable-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px){ .enable-grid { grid-template-columns: 1fr; } }

/* Processo · Understand → Architect → Build → Deploy → Evolve */
.proc { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--hairline);
  border: 1px solid var(--hairline); margin-top: clamp(48px, 8vh, 88px); }
.proc-step { background: var(--paper); padding: 32px 22px 30px; display: flex; flex-direction: column; gap: 12px; }
.proc-step .mono { color: var(--mist); font-size: 11px; letter-spacing: .16em; }
.proc-step b { font-weight: 400; font-size: 19px; letter-spacing: -.01em; }
.proc-step p { color: var(--steel); font-size: 13px; line-height: 1.5; }
@media (max-width: 980px){ .proc { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px){ .proc { grid-template-columns: 1fr; } }

/* ============================================================
   HOME · SCALA TIPOGRAFICA ENTERPRISE (titoli/sottotitoli contenuti)
   Solo home (body.home) — pagine interne invariate.
   ============================================================ */
.home .display { font-size: clamp(29px, 3.6vw, 52px); line-height: 1.05; }
.home .big-words { font-size: clamp(26px, 3.3vw, 44px); line-height: 1.14; }
.home .statement-inner .big-words { max-width: 24ch; }
.home .hero-lead-h { font-size: clamp(30px, 4.2vw, 56px); line-height: 1.05; max-width: 18ch; }
.home .asset-feature h3 { font-size: clamp(38px, 4.8vw, 72px); }
.home .asset-feature .tagline { font-size: clamp(18px, 1.7vw, 24px); }
.home .footer-cta h2 { font-size: clamp(27px, 3.4vw, 48px); }
.home .lead { font-size: clamp(16px, 1.35vw, 19px); }
.home .statement-sub { font-size: clamp(15px, 1.3vw, 18px); }
.home .hero-lead-sub { font-size: clamp(15px, 1.35vw, 18px); }
.home .section-num { margin-bottom: clamp(20px, 3vh, 34px); color: var(--mist); font-size: 11px; letter-spacing: .24em; }

/* Ritmo e gerarchia coerenti (solo home) — header stacked uniforme + spazi calmi */
.home .section { padding-block: clamp(82px, 12vh, 152px); }
.home .split-head { display: block; max-width: 960px; margin-bottom: clamp(44px, 6.5vh, 84px); gap: 0; }
.home .split-head > .lead,
.home .split-head > div,
.home .split-head .intro-copy { margin-top: clamp(18px, 2.6vh, 30px); }
.home .hsec-head { margin-bottom: clamp(44px, 6.5vh, 84px); }
.home .lead { max-width: 62ch; }
/* Header a colonna singola (vuoto a destra) → centrato e bilanciato */
.home .split-head, .home .hsec-head { text-align: center; margin-left: auto; margin-right: auto; }
.home .split-head .display, .home .hsec-head .display { max-width: 24ch; margin-left: auto; margin-right: auto; }
.home .split-head .lead, .home .hsec-head .lead,
.home .split-head .gos-neg, .home .hsec-head .gos-neg { margin-left: auto; margin-right: auto; }
.home .intro-copy { max-width: 62ch; display: grid; gap: 14px; margin-left: auto; margin-right: auto; text-align: center; }
.home .arch-intro { text-align: center; }
.home .section-cta { display: flex; width: fit-content; margin-left: auto; margin-right: auto; }

/* ============================================================
   HOME · DIAGRAMMI DI FLUSSO (approccio visivo, enterprise)
   ============================================================ */
/* GOS · stack di piattaforma (moduli su infrastruttura) + scalabilità */
.gos-stack { margin-top: clamp(44px, 6vh, 76px); }
.stack-modules { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); }
.stack-mod { background: var(--paper); padding: 20px 14px 18px; text-align: center; display: flex; flex-direction: column; gap: 8px; transition: background .4s; }
.stack-mod:hover { background: var(--paper-2); }
.stack-mod span { font-family: "IBM Plex Mono", monospace; font-size: 9.5px; letter-spacing: .16em; color: var(--mist); }
.stack-mod b { font-weight: 400; font-size: 14px; letter-spacing: .01em; color: var(--ink); }
.stack-link { display: grid; grid-template-columns: repeat(5, 1fr); height: 44px; }
.stack-link i { justify-self: center; width: 1px; height: 100%; background: var(--hairline); position: relative; overflow: hidden; }
.stack-link i::after { content: ""; position: absolute; left: 0; right: 0; height: 40%; background: linear-gradient(180deg, transparent, var(--ink)); animation: stackflow 2.6s linear infinite; }
.stack-link i:nth-child(2)::after { animation-delay: .5s; }
.stack-link i:nth-child(3)::after { animation-delay: 1s; }
.stack-link i:nth-child(4)::after { animation-delay: 1.5s; }
.stack-link i:nth-child(5)::after { animation-delay: 2s; }
@keyframes stackflow { from { transform: translateY(-120%); } to { transform: translateY(320%); } }
@media (prefers-reduced-motion: reduce){ .stack-link i::after { animation: none; } }
.stack-core { position: relative; overflow: hidden; background: var(--ink); color: var(--paper); border: 1px solid var(--ink); padding: clamp(28px, 3.6vh, 44px) clamp(20px, 3vw, 40px); text-align: center; }
.stack-core::before { content: ""; position: absolute; left: 50%; top: -70%; width: 120%; height: 220%; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(255,255,255,.11), transparent 70%); pointer-events: none; }
.stack-core .sc-k { position: relative; font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: .22em; color: var(--mist); }
.stack-core h4 { position: relative; font-weight: 400; font-size: clamp(20px, 2.3vw, 30px); letter-spacing: -.01em; margin: 12px 0 0; }
.stack-caps { position: relative; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 20px; }
.stack-caps span { border: 1px solid rgba(255,255,255,.22); padding: 6px 11px; font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .14em; color: var(--mist); }
.stack-base { text-align: center; padding: 13px; font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: .2em; color: var(--mist); border: 1px solid var(--hairline); border-top: 0; }
/* scalabilità */
.scale-axis { margin-top: clamp(30px, 4.5vh, 52px); display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; }
.scale-step { text-align: center; padding: 20px 14px; border: 1px solid var(--hairline); display: flex; flex-direction: column; gap: 7px; }
.scale-step span { font-family: "IBM Plex Mono", monospace; font-size: 9.5px; letter-spacing: .14em; color: var(--mist); }
.scale-step b { font-weight: 400; font-size: clamp(14px, 1.5vw, 18px); letter-spacing: -.01em; }
.scale-step.s2 { background: var(--paper-2); }
.scale-step.s3 { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.scale-step.s3 span { color: var(--mist); }
.scale-arrow { display: flex; align-items: center; padding: 0 14px; color: var(--mist); }
@media (max-width: 720px){
  .stack-modules { grid-template-columns: repeat(2, 1fr); }
  .stack-link { display: none; }
  .stack-core { border-top: 0; }
  .scale-axis { grid-template-columns: 1fr; }
  .scale-arrow { transform: rotate(90deg); padding: 10px 0; justify-content: center; }
}

/* Diagrammi SVG animati (pipeline architettura + grafo ontologia) */
.svg-diagram { overflow-x: auto; margin-top: clamp(20px, 3.5vh, 40px); -webkit-overflow-scrolling: touch; }
.svg-diagram svg { display: block; width: 100%; height: auto; }
.arch-pipe svg { min-width: 680px; }
.onto-graph svg.onto-d { min-width: 780px; }
/* grafo ontologia: versione verticale dedicata su mobile (niente scroll orizzontale) */
.onto-graph svg.onto-m { display: none; }
.onto-graph .dg-end { text-anchor: end; }
.onto-graph .dg-start { text-anchor: start; }
@media (max-width: 700px){
  .onto-graph { overflow: visible; }
  .onto-graph svg.onto-d { display: none; }
  .onto-graph svg.onto-m { display: block; width: 100%; max-width: 420px; margin: 0 auto; }
}
/* linee: sottili, solide, capicorda tondi (via il tratteggio marciante) */
.dg-edge { fill: none; stroke: rgba(255,255,255,.14); stroke-width: 1; stroke-linecap: round; }
@media (prefers-reduced-motion: reduce){ .dg-pulse { display: none; } }
/* nodi: alone morbido, riempimento tenue */
.dg-node { fill: rgba(255,255,255,.05); stroke: rgba(255,255,255,.5); stroke-width: 1; filter: url(#dgSoft); }
.dg-node.hub { fill: rgba(255,255,255,.09); stroke: var(--paper); stroke-width: 1.3; filter: url(#dgGlow); }
.dg-halo { fill: none; stroke: rgba(255,255,255,.16); stroke-width: 1; }
.dg-hubglow { fill: url(#dgHubGrad); }
.dg-pulse { fill: #fff; filter: url(#dgGlow); }
/* etichette: nomi in Switzer (raffinati), kicker/micro in mono */
.dg-kick { fill: rgba(255,255,255,.4); font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 2.5px; text-anchor: middle; }
.dg-label { fill: var(--paper); font-family: "Switzer", Arial, sans-serif; font-weight: 400; font-size: 19px; letter-spacing: .5px; text-anchor: middle; }
.dg-micro { fill: rgba(255,255,255,.42); font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 1px; text-anchor: middle; }
.dg-ent { fill: rgba(255,255,255,.85); font-family: "Switzer", Arial, sans-serif; font-weight: 400; font-size: 15px; letter-spacing: .3px; text-anchor: middle; }
.dg-hub-label { fill: var(--paper); font-family: "Switzer", Arial, sans-serif; font-weight: 500; font-size: 21px; letter-spacing: .5px; text-anchor: middle; }
.dg-out { fill: rgba(255,255,255,.6); font-family: "Switzer", Arial, sans-serif; font-weight: 400; font-size: 14px; letter-spacing: .3px; text-anchor: start; dominant-baseline: middle; }
.dg-chev { fill: none; stroke: rgba(255,255,255,.32); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.dg-plus { fill: rgba(255,255,255,.6); font-family: "IBM Plex Mono", monospace; font-size: 17px; text-anchor: middle; dominant-baseline: middle; }

/* ============================================================
   PRODOTTI · lead + spec grid (UX: meno "muro di testo")
   ============================================================ */
.product-lead { margin-top: clamp(22px, 3.4vh, 36px); font-size: clamp(17px, 1.65vw, 22px); line-height: 1.6; color: var(--steel); max-width: 62ch; }
.section.dark .product-lead { color: var(--mist); }
.product-proof { margin-top: 18px; display: inline-block; border: 1px solid var(--hairline); padding: 11px 18px; font-size: 11px; letter-spacing: .12em; color: var(--steel); }
.product-proof b { color: var(--ink); font-weight: 500; }
.section.dark .product-proof { border-color: var(--hairline-d); color: var(--mist); }
.section.dark .product-proof b { color: var(--paper); }
.prod-spec { margin-top: clamp(34px, 5vh, 56px); display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); }
.section.dark .prod-spec { background: var(--hairline-d); border-color: var(--hairline-d); }
.prod-spec-cell { background: var(--paper); padding: clamp(22px,2.6vw,30px) clamp(22px,2.4vw,30px); display: flex; flex-direction: column; gap: 11px; transition: background .4s; }
.section.dark .prod-spec-cell { background: var(--ink); }
.prod-spec-cell:hover { background: var(--paper-2); }
.section.dark .prod-spec-cell:hover { background: #121214; }
.prod-spec-cell span { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .16em; color: var(--signal); }
.prod-spec-cell p { margin: 0; font-size: 14.5px; line-height: 1.5; color: var(--steel); }
.section.dark .prod-spec-cell p { color: var(--mist); }
@media (max-width: 680px){ .prod-spec { grid-template-columns: 1fr; } }

/* PRODOTTI · applicazioni di GOS: riquadro in evidenza (fronte già al lavoro) + griglia fronti */
.app-feature { margin-top: clamp(40px, 6vh, 72px); display: grid; grid-template-columns: 1.35fr 1fr; background: var(--ink); color: var(--paper); border: 1px solid var(--ink); }
.app-feature-body { padding: clamp(30px, 4vw, 56px); display: flex; flex-direction: column; gap: 16px; }
.app-feature-k { font-size: 10px; letter-spacing: .2em; color: var(--mist); }
.app-feature h3 { font-weight: 300; font-size: clamp(28px, 3.2vw, 44px); line-height: 1.08; letter-spacing: -.02em; color: var(--paper); }
.app-feature p { color: var(--mist); font-size: 15px; line-height: 1.6; max-width: 52ch; }
.app-feature .section-cta { margin-top: 10px; color: var(--paper); width: fit-content; }
.app-metrics { display: grid; grid-template-rows: repeat(3, 1fr); border-left: 1px solid var(--hairline-d); }
.app-metric { display: flex; flex-direction: column; justify-content: center; gap: 8px; padding: 22px clamp(24px, 3vw, 46px); border-top: 1px solid var(--hairline-d); }
.app-metric:first-child { border-top: 0; }
.app-metric b { font-family: "Switzer", Arial, sans-serif; font-weight: 300; font-size: clamp(36px, 4vw, 58px); line-height: 1; letter-spacing: -.03em; color: var(--paper); font-variant-numeric: tabular-nums; }
.app-metric span { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--mist); }
.app-grid { margin-top: 1px; }
@media (max-width: 860px){
  .app-feature { grid-template-columns: minmax(0, 1fr); }
  .app-metrics { grid-template-rows: none; grid-template-columns: repeat(3, minmax(0, 1fr)); border-left: 0; border-top: 1px solid var(--hairline-d); }
  .app-metric { border-top: 0; border-left: 1px solid var(--hairline-d); padding: 20px 16px; min-width: 0; }
  .app-metric:first-child { border-left: 0; }
}
@media (max-width: 520px){
  .app-metric { padding: 18px 12px; }
  .app-metric b { font-size: clamp(24px, 7.4vw, 34px); }
  .app-metric span { letter-spacing: .1em; }
}

/* Sviluppo · separatore "cosa ne esce" nella sezione COME COSTRUIAMO */
.dev-caps-k { margin-top: clamp(50px, 7vh, 90px); }

/* ============================================================
   SVILUPPO · il nostro sistema (card GOS + applicazioni)
   ============================================================ */
.dev-products { margin-top: clamp(40px, 6vh, 72px); display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--hairline-d); border: 1px solid var(--hairline-d); }
.dev-product { background: var(--ink); padding: clamp(30px,4vw,52px) clamp(26px,3vw,44px); display: flex; flex-direction: column; gap: 15px; text-decoration: none; color: inherit; transition: background .45s var(--ease-soft); }
.dev-product:hover { background: #121214; }
.dev-product-k { font-size: 10px; letter-spacing: .2em; color: var(--mist); }
.dev-product h3 { font-family: "Switzer", Arial, sans-serif; font-weight: 300; font-size: clamp(42px, 6vw, 72px); line-height: .9; letter-spacing: -.02em; color: var(--paper); margin: 2px 0 4px; }
.dev-product p { color: var(--mist); font-size: 15px; line-height: 1.6; max-width: 42ch; }
.dev-product-go { margin-top: auto; padding-top: 8px; font-size: 11px; letter-spacing: .12em; color: var(--paper); display: inline-flex; gap: 8px; align-items: center; }
.dev-product:hover .dev-product-go { text-decoration: underline; text-underline-offset: 4px; }
/* su sezione chiara: cornice/nesto nitido attorno alle card scure */
.section:not(.dark) .dev-products { background: var(--hairline); border-color: var(--hairline); }
@media (max-width: 720px){ .dev-products { grid-template-columns: 1fr; } }

/* ============================================================
   PFLOW · diagramma prodotto (GOS su Prodotti)
   Componente unico che si adatta a sezione chiara o scura.
   ============================================================ */
.pflow { margin-top: clamp(36px, 5.5vh, 64px); display: grid; grid-template-columns: 1fr auto 1.15fr auto 1fr; align-items: stretch; gap: clamp(10px, 1.4vw, 20px); }
.pflow-col { display: flex; flex-direction: column; gap: 9px; padding: 20px 18px; border: 1px solid var(--hairline); }
.pflow-cap { font-family: "IBM Plex Mono", monospace; font-size: 9.5px; letter-spacing: .18em; color: var(--mist); margin-bottom: 5px; }
.pflow-item { font-size: 14px; line-height: 1.35; color: var(--steel); letter-spacing: .01em; }
.pflow-core { display: flex; flex-direction: column; justify-content: center; gap: 9px; text-align: center; padding: 24px 20px; background: var(--ink); color: var(--paper); border: 1px solid var(--ink); }
.pflow-core-k { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .2em; color: var(--mist); }
.pflow-core b { font-weight: 400; font-size: clamp(15px, 1.5vw, 18px); letter-spacing: -.01em; }
.pflow-core.alt { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.pflow-core.alt .pflow-core-k { color: var(--steel); }
.pflow-arrow { align-self: center; font-family: "IBM Plex Mono", monospace; font-size: 18px; color: var(--mist); }
.pflow-loop { grid-column: 1 / -1; text-align: center; margin-top: 6px; padding-top: 15px; border-top: 1px dashed var(--hairline); font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .14em; color: var(--mist); }
/* variante sezione scura */
.dark .pflow-col { border-color: var(--hairline-d); }
.dark .pflow-cap, .dark .pflow-core-k { color: var(--mist); }
.dark .pflow-item { color: rgba(255,255,255,.72); }
.dark .pflow-core { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.dark .pflow-core .pflow-core-k { color: var(--steel); }
.dark .pflow-core.alt { background: transparent; color: var(--paper); border: 1px solid rgba(255,255,255,.3); }
.dark .pflow-core.alt .pflow-core-k { color: var(--mist); }
.dark .pflow-arrow { color: rgba(255,255,255,.4); }
.dark .pflow-loop { border-top-color: var(--hairline-d); }
@media (max-width: 760px){
  .pflow { grid-template-columns: 1fr; gap: 12px; }
  .pflow-arrow { justify-self: center; transform: rotate(90deg); }
}

/* ============================================================
   CARATTERISTICHE · carosello orizzontale (auto + frecce)
   ============================================================ */
.feat-carousel { position: relative; margin-top: clamp(48px, 7vh, 90px); }
.feat-track { position: relative; display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; padding-block: 26px; scrollbar-width: none; -ms-overflow-style: none; }
.feat-track::-webkit-scrollbar { display: none; }
.feat-card { flex: 0 0 min(78vw, 344px); scroll-snap-align: center; background: var(--paper); border: 1px solid var(--hairline); padding: 46px 38px 40px; min-height: 452px; display: flex; flex-direction: column; opacity: .4; transform: scale(.95); transition: opacity .55s var(--ease-soft), transform .55s var(--ease-soft), border-color .55s, box-shadow .55s; }
.feat-card.is-active { opacity: 1; transform: none; border-color: var(--ink);
  box-shadow: 0 2px 4px rgba(11,11,11,.03), 0 10px 20px -8px rgba(11,11,11,.06), 0 28px 50px -30px rgba(11,11,11,.10); }
.feat-head { display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
.feat-n { font-family: "Switzer", Arial, sans-serif; font-weight: 300; font-size: 46px; line-height: 1; letter-spacing: -.02em; color: var(--mist); }
.feat-head b { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .16em; color: var(--ink); font-weight: 400; }
.feat-card h3 { font-size: 23px; font-weight: 400; letter-spacing: -.01em; margin-bottom: 14px; line-height: 1.15; }
.feat-card p { color: var(--steel); font-size: 14.5px; line-height: 1.6; margin-top: auto; }
.feat-nav { display: flex; justify-content: center; gap: 14px; margin-top: clamp(26px, 4vh, 44px); }
.feat-arrow { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--hairline); background: var(--paper); color: var(--ink); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; -webkit-appearance: none; appearance: none; transition: border-color .3s, background .3s; }
.feat-arrow:hover { border-color: var(--ink); background: var(--paper-2); }
.feat-arrow svg { width: 16px; height: 16px; }
@media (prefers-reduced-motion: reduce){ .feat-track, .feat-card { transition: none; } }

/* ============================================================
   GUERRILLA BRAIN · bento ecosistema (non più usato)
   ============================================================ */
.eco-bento { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1px; background: var(--hairline-d); border: 1px solid var(--hairline-d); margin-top: clamp(44px, 6vh, 80px);
  grid-template-areas: "gos weft"; }
.eco-tile { background: #0A0A0D; padding: clamp(28px, 3.6vh, 46px); display: flex; flex-direction: column; position: relative; overflow: hidden; transition: background .45s var(--ease-soft); }
.eco-tile > * { position: relative; z-index: 1; }
.eco-tile:hover { background: #111119; }
.eco-gos { grid-area: gos; background: linear-gradient(158deg, #0E0E15 0%, #08080B 62%); }
.eco-gos:hover { background: linear-gradient(158deg, #14141F 0%, #0A0A0E 62%); }
.eco-gos::before { content: ""; position: absolute; top: -28%; right: -12%; width: 72%; height: 82%; background: radial-gradient(closest-side, rgba(255,255,255,.07), transparent 70%); pointer-events: none; z-index: 0; }
.eco-gos::after { content: ""; position: absolute; top: 0; left: 0; width: 52%; height: 2px; background: linear-gradient(90deg, rgba(255,255,255,.85), transparent); z-index: 2; }
.eco-gos .eco-name { text-shadow: 0 0 44px rgba(255,255,255,.07); }
.eco-weft { grid-area: weft; }
.eco-weft::after { content: ""; position: absolute; top: 0; left: 0; width: 32%; height: 1px; background: linear-gradient(90deg, rgba(255,255,255,.4), transparent); z-index: 2; }
.eco-val1 { grid-area: val1; }
.eco-val2 { grid-area: val2; }
.eco-k { font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: .18em; color: var(--mist); margin-bottom: 20px; display: block; }
.eco-k b { color: var(--ink); background: var(--paper); font-weight: 500; padding: 3px 9px; margin-left: 10px; letter-spacing: .12em; white-space: nowrap; }
.eco-name { font-family: "Switzer", Arial, sans-serif; font-weight: 300; letter-spacing: -.03em; line-height: .88; color: var(--paper); }
.eco-gos .eco-name { font-size: clamp(56px, 7vw, 110px); }
.eco-weft .eco-name { font-size: clamp(40px, 5vw, 66px); }
.eco-tagline { color: var(--paper); font-size: clamp(16px, 1.6vw, 21px); margin: 20px 0 14px; letter-spacing: -.01em; }
.eco-tile > p { color: var(--mist); font-size: 14px; line-height: 1.6; max-width: 48ch; }
.eco-tags { color: rgba(255,255,255,.42); font-size: 10.5px; letter-spacing: .16em; margin-top: 20px; font-family: "IBM Plex Mono", monospace; }
.eco-cta { display: inline-flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 28px; font-size: 14px; color: var(--paper); align-self: flex-start; }
.eco-cta i { transition: transform .4s var(--ease-cine); }
.eco-cta:hover i { transform: translateX(6px); }
.eco-val1 .eco-k, .eco-val2 .eco-k { margin-bottom: 16px; }
.eco-val1 > p, .eco-val2 > p { color: rgba(255,255,255,.72); font-size: 13.5px; line-height: 1.55; }
.eco-val1 b, .eco-val2 b { color: var(--paper); font-weight: 500; }
/* flagship · orbita "core cognitivo" decorativa */
.eco-orbit { position: absolute; right: -72px; bottom: -72px; width: 288px; height: 288px; z-index: 0; pointer-events: none; }
.eco-gos .eco-orbit { z-index: 0; }
.eco-orbit i { position: absolute; border: 1px solid rgba(255,255,255,.07); border-radius: 50%; }
.eco-orbit i:nth-child(1) { inset: 0; }
.eco-orbit i:nth-child(2) { inset: 48px; border-color: rgba(255,255,255,.055); }
.eco-orbit i:nth-child(3) { inset: 96px; border-color: rgba(255,255,255,.1); }
.eco-orbit b { position: absolute; inset: 0; animation: ecospin 20s linear infinite; }
.eco-orbit b::before { content: ""; position: absolute; top: -3px; left: 50%; width: 5px; height: 5px; margin-left: -2.5px; border-radius: 50%; background: rgba(255,255,255,.55); box-shadow: 0 0 9px rgba(255,255,255,.6); }
@keyframes ecospin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce){ .eco-orbit b { animation: none; } }
@media (max-width: 900px){ .eco-bento { grid-template-columns: 1fr; grid-template-areas: "gos" "weft"; } .eco-orbit { width: 220px; height: 220px; right: -60px; bottom: -60px; } }
/* studio · principi */
.studio-principles { text-align: center; color: var(--mist); font-size: 11px; letter-spacing: .24em; margin-top: clamp(30px, 4.5vh, 54px); }

/* ============================================================
   GOS CONSOLE · tema chiaro (pannello bianco) + dashboard numeri
   ============================================================ */
.home .gos-console { background: #FFFFFF; border: 1px solid var(--hairline); box-shadow: 0 44px 100px -55px rgba(0,0,0,.6); }
.home .gos-console::before { display: none; }
.gos-console .gc-bar { border-bottom: 1px solid var(--hairline); }
.gos-console .gc-dots i { border-color: var(--mist); }
.gos-console .gc-title { color: var(--steel); }
.gos-console .gc-tab { color: var(--steel); }
.gos-console .gc-tab:hover { color: var(--ink); }
.gos-console .gc-tab.on { color: var(--ink); border-color: var(--hairline); background: var(--paper-2); }
.gos-console .gc-badge { color: var(--steel); border-color: var(--hairline); }
.gos-console .gc-badge::before { background: var(--ink); box-shadow: none; }
.gos-console .gc-body { background: var(--hairline); }
.gos-console .gc-rail, .gos-console .gc-main { background: #FFFFFF; }
.gos-console .gc-role { color: var(--mist); }
.gos-console .gc-q p { color: var(--steel); }
.gos-console .gc-a p, .gos-console .gc-answer { color: var(--ink); }
.gos-console .gc-a .cursor-blink { background: var(--ink); box-shadow: none; }
.gos-console .gc-step::before { background: var(--ink); box-shadow: none; }
.gos-console .gc-step::after { background: var(--hairline); }
.gos-console .gc-step-k { color: var(--mist); }
.gos-console .gc-step-v { color: var(--steel); }
.gos-console .gc-verified { background: var(--ink); color: var(--paper); border: 0; }
.gos-console .gc-src { color: var(--mist); }
.gos-console .gc-chip { border-color: var(--hairline); color: var(--steel); }
.gos-console .gc-chip:hover { border-color: var(--ink); color: var(--ink); }
.gos-console .gc-act { border-color: var(--hairline); color: var(--ink); }
.gos-console .gc-act:hover { background: var(--paper-2); border-color: var(--ink); }
.gos-console .gc-act.primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.gos-console .gc-sys { color: var(--steel); }
.gos-console .gc-sys::before { background: var(--ink); box-shadow: none; }
.gos-console .gc-sys-h { color: var(--mist); }
/* dashboard numeri */
.gos-console .gc-rail { background: var(--paper); }
.gc-dash-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 13px; }
.gc-dash-t { font-family: "IBM Plex Mono", monospace; font-size: 9.5px; letter-spacing: .22em; color: var(--ink); }
.gc-dash-p { font-family: "IBM Plex Mono", monospace; font-size: 8.5px; letter-spacing: .16em; color: var(--mist); }
.gc-dash { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); margin-bottom: 26px; }
.gc-stat { background: #FFFFFF; padding: 16px 15px 15px; display: flex; flex-direction: column; gap: 8px; transition: background .35s; }
.gc-stat:hover { background: var(--paper-2); }
.gc-stat-k { font-family: "IBM Plex Mono", monospace; font-size: 9px; letter-spacing: .14em; color: var(--mist); }
.gc-num { font-family: "Switzer", Arial, sans-serif; font-weight: 300; font-size: clamp(24px, 2.5vw, 33px); letter-spacing: -.02em; color: var(--ink); line-height: 1; font-variant-numeric: tabular-nums; }
.gc-delta { display: inline-flex; align-items: center; gap: 5px; margin-top: 1px; font-family: "IBM Plex Mono", monospace; font-size: 9px; letter-spacing: .04em; color: var(--steel); }
.gc-delta i { font-style: normal; font-size: 8px; color: var(--ink); line-height: 1; }
.gc-delta.down i { color: var(--mist); }
/* altezza stabile: pannelli sovrapposti in una cella (niente saltello al cambio tab) */
.gos-console .gc-main { display: grid; }
.gos-console .gc-panel { grid-area: 1 / 1; display: flex; flex-direction: column; gap: 22px; opacity: 0; visibility: hidden; pointer-events: none; transform: none; animation: none; transition: opacity .38s var(--ease-soft); }
.gos-console .gc-panel.on { opacity: 1; visibility: visible; pointer-events: auto; }

/* GOS · console chiara riusabile fuori dalla home (gc-light) + layout largo a due colonne (gc-wide) */
.gos-console.gc-light { background: #FFFFFF; border: 1px solid var(--hairline); box-shadow: 0 44px 100px -55px rgba(0,0,0,.6); }
.gos-console.gc-light::before { display: none; }
.gos-console.gc-wide .gc-body { grid-template-columns: 1fr; }
.gos-console.gc-wide .gc-main { padding: clamp(24px, 3.2vw, 46px); }
.gl-cols { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(26px, 3.4vw, 52px); }
.gl-col { display: flex; flex-direction: column; gap: 22px; min-width: 0; }
.gl-col + .gl-col { border-left: 1px solid var(--hairline); padding-left: clamp(22px, 3vw, 44px); }
.gl-block { display: flex; flex-direction: column; gap: 10px; }
.gl-col .gc-meta { margin-top: 0; }
.gl-table { border-top: 1px solid var(--hairline); }
.gl-row { display: grid; grid-template-columns: 1fr auto; gap: 3px 14px; align-items: baseline; padding: 11px 0; border-bottom: 1px solid var(--hairline); }
.gl-row span { font-size: 13px; line-height: 1.4; color: var(--steel); }
.gl-row b { font-family: "Switzer", Arial, sans-serif; font-weight: 400; font-size: 15px; color: var(--ink); text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.gl-row em { grid-column: 1 / -1; font-style: normal; font-family: "IBM Plex Mono", monospace; font-size: 8.5px; letter-spacing: .14em; color: var(--mist); }
.gl-owner { font-size: 9.5px; letter-spacing: .16em; color: var(--mist); }
.gl-owner b { color: var(--ink); font-weight: 500; }
.gl-head { font-family: "Switzer", Arial, sans-serif; font-weight: 300; font-size: clamp(20px, 2.1vw, 28px); line-height: 1.25; letter-spacing: -.01em; color: var(--ink); max-width: 44ch; padding-bottom: clamp(18px, 2.4vw, 26px); border-bottom: 1px solid var(--hairline); }
.gl-trace > summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 10px; margin-bottom: 14px; user-select: none; }
.gl-trace > summary::-webkit-details-marker { display: none; }
.gl-trace > summary::after { content: "−"; font-size: 13px; line-height: 1; color: var(--ink); }
.gl-trace:not([open]) > summary::after { content: "+"; }
.gl-trace:not([open]) > summary { margin-bottom: 0; }
@media (max-width: 900px){
  .gl-cols { grid-template-columns: 1fr; }
  .gl-col + .gl-col { border-left: 0; padding-left: 0; border-top: 1px solid var(--hairline); padding-top: 26px; }
}
@media (max-width: 760px){
  .gos-console.gc-light .gc-bar { flex-wrap: wrap; }
  .gos-console.gc-light .gc-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; order: 3; width: 100%; margin-left: 0; }
  .gos-console.gc-light .gc-tab { text-align: center; padding: 9px 6px; border-color: var(--hairline); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .gos-console.gc-light .gc-tabs::-webkit-scrollbar { display: none; }
  .gl-row b { white-space: normal; }
}

/* Segnali · carosello (riuso .feat-carousel/.feat-track) */
.signals-track { align-items: stretch; }
.signals-track .signal-card { flex: 0 0 min(88vw, 600px); scroll-snap-align: center; opacity: .38; transform: scale(.975); transition: opacity .55s var(--ease-soft), transform .55s var(--ease-soft); }
.signals-track .signal-card.is-active { opacity: 1; transform: none; }

/* ============================================================
   GOS · FLAGSHIP 2026 — console prodotto + bento + scroll-reveal
   ============================================================ */
/* Scroll-driven reveal nativo (progressive enhancement, non rompe senza supporto) */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference){
    .sd-rise { opacity: 0; animation: sdRise linear both; animation-timeline: view(); animation-range: entry 0% entry 60%; }
    @keyframes sdRise { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
  }
}
/* Console (mock product-UI) */
.gos-console { margin-top: clamp(42px, 6vh, 76px); border: 1px solid var(--hairline-d); background: linear-gradient(180deg, #0C0C11, #08080B); position: relative; box-shadow: 0 50px 130px -70px rgba(0,0,0,.9); }
.gos-console::before { content: ""; position: absolute; inset: 0; background: radial-gradient(62% 80% at 22% 0%, rgba(255,255,255,.055), transparent 60%); pointer-events: none; }
.gc-bar { display: flex; align-items: center; gap: 14px; padding: 14px 18px; border-bottom: 1px solid var(--hairline-d); position: relative; }
.gc-dots { display: flex; gap: 6px; }
.gc-dots i { width: 9px; height: 9px; border-radius: 50%; border: 1px solid rgba(255,255,255,.24); }
.gc-title { color: var(--mist); font-size: 11px; letter-spacing: .2em; }
.gc-badge { margin-left: auto; display: inline-flex; align-items: center; gap: 7px; color: var(--paper); border: 1px solid rgba(255,255,255,.22); padding: 4px 10px; font-size: 9.5px; letter-spacing: .16em; }
.gc-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--paper); box-shadow: 0 0 9px rgba(255,255,255,.9); animation: gcpulse 1.8s ease-in-out infinite; }
@keyframes gcpulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.gc-body { display: grid; grid-template-columns: .92fr 1.08fr; gap: 1px; background: var(--hairline-d); position: relative; }
.gc-graph { background: #08080B; padding: 24px; min-height: 280px; display: flex; align-items: center; justify-content: center; }
.gc-graph svg { width: 100%; height: auto; max-width: 320px; }
.gc-chat { background: #08080B; padding: clamp(24px, 3vh, 34px); display: flex; flex-direction: column; gap: 22px; }
.gc-role { display: block; font-size: 9.5px; letter-spacing: .2em; color: var(--mist); margin-bottom: 9px; }
.gc-q p { color: var(--mist); font-size: 15px; line-height: 1.5; }
.gc-a p { color: var(--paper); font-size: 15.5px; line-height: 1.6; }
.gc-a .cursor-blink { display: inline-block; width: 7px; height: 1.02em; vertical-align: -2px; background: var(--paper); margin-left: 3px; animation: gcblink 1s steps(2) infinite; }
@keyframes gcblink { 50% { opacity: 0; } }
.gc-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 18px; }
.gc-verified { display: inline-flex; align-items: center; gap: 6px; background: var(--paper); color: var(--ink); padding: 5px 10px; font-size: 9.5px; letter-spacing: .12em; font-weight: 500; }
.gc-src { color: var(--mist); font-size: 9.5px; letter-spacing: .14em; }
.gc-chip { border: 1px solid rgba(255,255,255,.22); color: var(--mist); padding: 5px 9px; font-size: 9.5px; letter-spacing: .08em; transition: border-color .3s, color .3s; }
.gc-chip:hover { border-color: rgba(255,255,255,.5); color: var(--paper); }
@media (max-width: 760px){ .gc-body { grid-template-columns: 1fr; } .gc-graph { min-height: 210px; } }
/* Bento capacità GOS */
.gbento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--hairline-d); border: 1px solid var(--hairline-d); border-top: 0; }
.gbt { background: #0A0A0D; padding: clamp(24px, 3vh, 34px); display: flex; flex-direction: column; gap: 12px; min-height: 182px; transition: background .45s; }
.gbt:hover { background: #111117; }
.gbt-k { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .16em; color: var(--mist); }
.gbt h4 { font-weight: 400; font-size: 18px; letter-spacing: -.01em; color: var(--paper); }
.gbt p { color: var(--mist); font-size: 13px; line-height: 1.55; margin-top: auto; }
@media (max-width: 900px){ .gbento { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px){ .gbento { grid-template-columns: 1fr; } }
/* Console · contenuti ricchi (tabs, rail sistemi, trace ragionamento, azioni) */
.gc-tabs { display: flex; gap: 2px; margin-left: 18px; }
.gc-tab { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .14em; color: var(--mist); padding: 6px 11px; border: 1px solid transparent; background: transparent; cursor: pointer; -webkit-appearance: none; appearance: none; line-height: 1; transition: color .25s, border-color .25s, background .25s; }
.gc-tab:hover { color: var(--paper); }
.gc-tab.on { color: var(--paper); border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.05); }
.gc-rail { background: #08080B; padding: 24px; display: flex; flex-direction: column; gap: 26px; }
.gc-rail .gc-graph { padding: 0; min-height: 0; }
.gc-systems { display: flex; flex-direction: column; gap: 11px; }
.gc-sys-h { font-family: "IBM Plex Mono", monospace; font-size: 9.5px; letter-spacing: .2em; color: var(--mist); }
.gc-sys { display: flex; align-items: center; gap: 9px; font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .05em; color: rgba(255,255,255,.72); }
.gc-sys::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--paper); box-shadow: 0 0 7px rgba(255,255,255,.85); }
.gc-chat { gap: 0; }
.gc-exchange { display: flex; flex-direction: column; gap: 16px; padding: 26px 0; }
.gc-exchange:first-child { padding-top: 2px; }
.gc-exchange + .gc-exchange { border-top: 1px solid var(--hairline-d); }
.gc-trace { border-left: 1px solid rgba(255,255,255,.18); padding: 3px 0 3px 15px; display: flex; flex-direction: column; gap: 7px; }
.gc-trace span { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .03em; color: rgba(255,255,255,.5); line-height: 1.45; }
.gc-trace b { color: rgba(255,255,255,.82); font-weight: 400; }
.gc-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.gc-act { font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: .07em; padding: 9px 13px; border: 1px solid rgba(255,255,255,.22); color: var(--paper); display: inline-flex; align-items: center; gap: 8px; cursor: default; transition: background .3s, border-color .3s; }
.gc-act:hover { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.4); }
.gc-act.primary { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.gc-act.primary:hover { background: #EAEAE7; }
@media (max-width: 760px){ .gc-tabs { display: none; } }
/* onestà: console = esempio illustrativo */
.gc-caption { text-align: center; color: var(--mist); font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: .14em; margin-top: 16px; }
/* ICP esplicito sotto la scalabilità */
.scale-icp { text-align: center; color: var(--steel); font-size: 12.5px; letter-spacing: .04em; margin: clamp(20px, 3vh, 34px) auto 0; max-width: 64ch; }
/* risk-reversal sotto la CTA */
.cta-reassure { margin-top: 18px; color: var(--mist); font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .08em; }
/* human-in-control · firma sotto la console */
.gc-principle { text-align: center; color: var(--mist); font-family: "Switzer", Arial, sans-serif; font-size: clamp(16px, 1.7vw, 21px); letter-spacing: -.01em; margin-top: 26px; }
.gc-principle b { color: var(--paper); font-weight: 500; }
/* Caratteristiche · 5 con supervisione umana (solo home) */
.home .pillars { grid-template-columns: repeat(5, 1fr); }
.home .pillar { min-height: 300px; padding: 34px 26px 30px; }
@media (max-width: 1080px){ .home .pillars { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px){ .home .pillars { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px){ .home .pillars { grid-template-columns: 1fr; } }

/* Console interattiva · pannelli a tab + stepper elegante */
.gc-main { background: #08080B; padding: clamp(24px, 3vh, 36px); min-height: 360px; }
.gc-q { display: flex; flex-direction: column; gap: 9px; }
.gc-a { display: flex; flex-direction: column; gap: 16px; }
.gc-role { margin-bottom: 0; }
.gc-panel { display: none; flex-direction: column; gap: 22px; }
.gc-panel.on { display: flex; animation: gcFade .42s var(--ease-soft) both; }
@keyframes gcFade { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
.gc-answer { color: var(--paper); font-size: 15.5px; line-height: 1.62; }
.gc-steps { display: flex; flex-direction: column; }
.gc-step { position: relative; padding: 0 0 15px 22px; }
.gc-step:last-child { padding-bottom: 0; }
.gc-step::before { content: ""; position: absolute; left: 2px; top: 3px; width: 7px; height: 7px; border-radius: 50%; background: var(--paper); box-shadow: 0 0 7px rgba(255,255,255,.7); }
.gc-step::after { content: ""; position: absolute; left: 5px; top: 11px; bottom: -3px; width: 1px; background: rgba(255,255,255,.16); }
.gc-step:last-child::after { display: none; }
.gc-step-k { display: block; font-size: 9.5px; letter-spacing: .16em; color: var(--mist); margin-bottom: 3px; }
.gc-step-v { color: rgba(255,255,255,.82); font-size: 13.5px; line-height: 1.45; }
@media (max-width: 760px){ .gc-main { min-height: 0; } }