/* Naytto — light from screens.
   The room is dark. Anything that is "on" emits blue light; anything unproven stays dark.
   Schibsted Grotesk speaks, Geist Mono measures. One accent. */

:root {
  --bg: #07080a;
  --bg-1: #0b0c0f;
  --bg-2: #111317;
  --bg-3: #171a1f;
  --line: rgba(255, 255, 255, 0.07);
  --line-2: rgba(255, 255, 255, 0.13);
  --ink: #f2f1ee;
  --ink-2: #a6a6a0;
  --ink-3: #66665f;
  --ink-4: #34342f;
  --blue: #4d6bff;
  --blue-2: #8ea2ff;
  --glow: rgba(77, 107, 255, 0.38);
  --amber: #f0b43c;
  --sans: "Schibsted Grotesk", ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --max: 1240px;
  --gutter: clamp(20px, 4.5vw, 64px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 72px; scroll-padding-bottom: 24px; background: var(--bg); }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 17px; line-height: 1.55;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
/* film grain: keeps the black from looking like a flat CSS fill */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 90; pointer-events: none; opacity: .045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main { overflow-x: clip; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, ol, ul, dl, dd, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--blue-2); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: var(--bg); padding: 8px 12px; border-radius: 8px; font-weight: 600; }
.skip:focus { top: 12px; }

/* ───────── LEDs: the one visual vocabulary for "state" ───────── */
.led { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 3px rgba(77,107,255,.16), 0 0 12px var(--glow); flex: none; }
.led.amber { background: var(--amber); box-shadow: 0 0 0 3px rgba(240,180,60,.14); }
.led.off { background: var(--ink-4); box-shadow: none; }

/* ───────── Wordmark: the dots of ä and ö are two screens, bridged ───────── */
.bridge { position: relative; display: inline-block; }
.bridge .u { position: relative; display: inline-block; }
.bridge .u::before {
  content: ""; position: absolute; z-index: 1; left: 50%; top: -.19em; transform: translateX(-50%);
  width: .32em; height: .19em; border: .042em solid currentColor; border-radius: .035em;
  background: linear-gradient(160deg, #7089ff, #2f47e6);
  box-shadow: inset 0 0 0 .012em var(--bg), 0 0 .05em rgba(77,107,255,.9), 0 0 .32em rgba(77,107,255,.5);
  transition: background .5s var(--ease), box-shadow 1.2s var(--ease);
}
.bridge::before { content: ""; position: absolute; top: -.09em; left: .27em; right: .28em; border-top: .022em solid currentColor; transition: opacity .8s; }
.bridge::after {
  content: ""; position: absolute; top: -.101em; left: .27em; width: .14em; height: .044em; border-radius: .02em;
  background: var(--blue-2); box-shadow: 0 0 .08em var(--blue);
  animation: packet 2.6s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes packet { 0%, 8% { left: .27em; opacity: 0; } 15% { opacity: 1; } 50% { left: calc(100% - .42em); opacity: 1; } 58%, 100% { left: calc(100% - .42em); opacity: 0; } }
/* before the first frame: screens dark, line faint, no packet */
.js body:not(.lit) .bridge .u::before { background: var(--bg); box-shadow: inset 0 0 0 .012em var(--bg); }
.js body:not(.lit) .bridge::before { opacity: .3; }
.js body:not(.lit) .bridge::after { animation: none; opacity: 0; }

/* ───────── Nav ───────── */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50; height: 60px;
  display: flex; align-items: center; gap: 28px; padding: 0 var(--gutter);
  background: linear-gradient(var(--bg), rgba(7,8,10,.72) 70%, rgba(7,8,10,0));
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.brand { font-weight: 800; font-size: 26px; letter-spacing: -0.05em; line-height: 1; padding-top: 6px; }
.nav nav { display: flex; gap: 24px; margin-left: auto; font-size: 14px; color: var(--ink-2); }
.nav nav a:hover { color: var(--ink); }
.nav-cta { font-size: 13.5px; padding: 7px 13px; border: 1px solid var(--line-2); border-radius: 999px; transition: background .2s, border-color .2s; }
.nav-cta:hover { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.22); }

/* ───────── Hero ───────── */
.hero {
  position: relative; isolation: isolate; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end; gap: clamp(20px, 3vw, 40px);
  padding: 96px var(--gutter) clamp(28px, 4vw, 48px);
}
/* light spill from the wordmark's screens */
.hero::before {
  content: ""; position: absolute; z-index: -1; left: 50%; top: 18%; width: min(1400px, 110vw); height: 60%; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(77,107,255,.2), rgba(77,107,255,.06) 55%, transparent);
  filter: blur(20px); transition: opacity 1.8s var(--ease);
}
.js body:not(.lit) .hero::before { opacity: 0; }
.hero-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; margin-bottom: auto; padding-top: clamp(12px, 3vw, 40px); }
.state { display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); letter-spacing: .02em; }
.js body:not(.lit) .state .led { background: var(--amber); box-shadow: 0 0 0 3px rgba(240,180,60,.14); animation: breathe 1s ease-in-out infinite; }
@keyframes breathe { 50% { opacity: .35; } }
.handshake { font-family: var(--mono); font-size: 12px; line-height: 1.9; color: var(--ink-3); text-align: right; }
.handshake li { display: flex; gap: 14px; justify-content: flex-end; transition: opacity .35s, transform .35s var(--ease); }
.handshake time { color: var(--ink-4); font-variant-numeric: tabular-nums; }
.handshake span { color: var(--ink-2); }
.handshake b { font-weight: 500; color: var(--blue-2); min-width: 1.4em; text-align: left; }
.js .handshake li:not(.on) { opacity: 0; transform: translateY(4px); }

.wordmark {
  font-weight: 800; letter-spacing: -0.055em; line-height: .8;
  font-size: clamp(92px, 27vw, 440px);
  margin-left: -.04em; padding-top: .3em;
  transition: color 1.2s var(--ease);
}
.js body:not(.lit) .wordmark { color: #26272a; }
.hero-foot { display: grid; grid-template-columns: 1.1fr 1fr auto; gap: 32px; align-items: end; padding-top: 24px; border-top: 1px solid var(--line); }
.claim { font-size: clamp(30px, 3.6vw, 52px); font-weight: 600; letter-spacing: -0.035em; line-height: 1; }
.lede { color: var(--ink-2); max-width: 44ch; }
.ctas { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 18px; border-radius: 999px;
  font-size: 15px; font-weight: 500; white-space: nowrap; border: 1px solid var(--line-2);
  transition: transform .25s var(--ease), background .2s, box-shadow .3s;
}
.btn:hover { transform: translateY(-1px); background: rgba(255,255,255,.05); }
.btn-primary { background: var(--ink); color: var(--bg); border-color: transparent; font-weight: 600; }
.btn-primary:hover { background: #fff; box-shadow: 0 0 0 4px rgba(77,107,255,.25), 0 8px 30px -8px var(--glow); }
.etym { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.etym .fi { color: var(--blue-2); }
.etym i { font-style: normal; color: var(--ink-2); margin-left: 6px; }

/* ───────── Sections ───────── */
.sec { max-width: var(--max); margin: 0 auto; padding: clamp(96px, 13vw, 180px) var(--gutter) 0; }
.sec-head { max-width: 900px; margin-bottom: clamp(36px, 5vw, 64px); }
.idx { display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 22px; }
.idx span { color: var(--blue-2); }
.tag { font-style: normal; font-size: 10.5px; letter-spacing: .08em; color: var(--blue-2); border: 1px solid rgba(142,162,255,.35); padding: 2px 7px; border-radius: 999px; }
.sec h2 { font-size: clamp(38px, 5.6vw, 80px); font-weight: 600; letter-spacing: -0.04em; line-height: .98; text-wrap: balance; }
.dim { color: var(--ink-3); }
.sec-sub { margin-top: 22px; font-size: clamp(17px, 1.4vw, 19px); color: var(--ink-2); max-width: 58ch; text-wrap: pretty; }

/* scroll-driven reveal, where supported; otherwise simply visible */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .reveal { animation: rise linear both; animation-timeline: view(); animation-range: entry 0% entry 55%; }
  }
}
@keyframes rise { from { opacity: 0; transform: translateY(28px); } }

/* 01 Display */
.os-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; margin-bottom: 16px; }
.os-note { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.display { position: relative; border-radius: 14px; overflow: hidden; border: 1px solid var(--line-2); background: #0b0d14;
  box-shadow: 0 50px 120px -40px rgba(0,0,0,.9), 0 0 0 1px rgba(0,0,0,.6), 0 0 160px -50px var(--glow); }
.display canvas { display: block; width: 100%; aspect-ratio: 16 / 10; }
.display.resolved canvas { cursor: none; }
.hud { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); column-gap: 8px; margin-top: 18px; border-top: 1px solid var(--line); }
.hud > div { padding: 14px 16px 0 0; }
.hud dt { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.hud dd { margin-top: 6px; font-family: var(--mono); font-size: 15px; font-variant-numeric: tabular-nums; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.hud small { color: var(--ink-3); font-size: 12px; }
.js .display:not(.resolved) ~ .hud dd { color: var(--ink-3); }
.js .display:not(.resolved) ~ .hud .led { background: var(--amber); box-shadow: 0 0 0 3px rgba(240,180,60,.14); animation: breathe 1s ease-in-out infinite; }
.hint { margin-top: 18px; font-family: var(--mono); font-size: 12px; color: var(--ink-3); }

/* 02 What you can do */
.uses { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px 20px; }
.uses li { display: flex; flex-direction: column; gap: 10px; padding: 14px 14px 22px; border-radius: 16px; border: 1px solid var(--line); background: var(--bg-1); transition: border-color .3s, transform .4s var(--ease); }
.uses li:hover { border-color: var(--line-2); transform: translateY(-2px); }
.use-ui { height: 128px; border-radius: 10px; margin-bottom: 8px; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 16px;
  background: radial-gradient(110% 90% at 50% 0%, #131722, #0c0d11); border: 1px solid var(--line); font-size: 13px; position: relative; overflow: hidden; }
.use-ui.col { flex-direction: column; align-items: stretch; }
.uses h3 { font-size: 19px; font-weight: 600; letter-spacing: -0.02em; padding: 0 6px; }
.uses p { color: var(--ink-2); font-size: 15px; padding: 0 6px; }
.chip { padding: 7px 12px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--bg-3); white-space: nowrap; }
.chip.lit, kbd.lit { border-color: rgba(77,107,255,.6); background: #141a33; color: var(--blue-2); box-shadow: 0 0 20px -6px var(--glow); }
.arrow { color: var(--ink-3); }
kbd { min-width: 34px; height: 34px; padding: 0 8px; display: inline-grid; place-items: center; border-radius: 7px; border: 1px solid var(--line-2); border-bottom-width: 2px; background: var(--bg-3); font-family: var(--sans); font-size: 13px; }
.mini-win { position: absolute; width: 58%; height: 58%; border-radius: 7px; border: 1px solid var(--line-2); background: var(--bg-3); }
.mini-win.back { transform: translate(-22%, -16%); opacity: .45; }
.mini-win.mid { transform: translate(-10%, -6%); opacity: .7; }
.mini-win.front { transform: translate(6%, 8%); background: #121521; border-color: rgba(77,107,255,.45); box-shadow: 0 10px 30px -8px rgba(0,0,0,.7), 0 0 30px -10px var(--glow); padding: 22px 12px 0; display: grid; gap: 6px; align-content: start; }
.mini-win.front::before { content: ""; position: absolute; left: 8px; top: 8px; width: 24px; height: 5px; border-radius: 3px; background: linear-gradient(90deg, #ff5f57 0 5px, transparent 5px 9px, #febc2e 9px 14px, transparent 14px 18px, #28c840 18px); }
.mini-win.front i { height: 5px; border-radius: 3px; background: rgba(142,162,255,.35); }
.mini-win.front i:nth-child(2) { width: 70%; background: rgba(242,201,125,.35); }
.mini-win.front i:nth-child(3) { width: 45%; }
.file { display: flex; justify-content: space-between; gap: 12px; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--bg-3); }
.file span, .job span { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); }
.bar { height: 5px; border-radius: 5px; background: var(--bg-3); overflow: hidden; }
.bar i { display: block; height: 100%; width: 68%; border-radius: 5px; background: var(--blue); box-shadow: 0 0 12px var(--glow); animation: fill 3.2s var(--ease) infinite; }
@keyframes fill { 0% { width: 8%; } 70%, 100% { width: 100%; } }
.fs { width: 46px; height: 32px; border: 1.5px solid var(--ink-2); border-radius: 5px; position: relative; margin-right: 8px; }
.fs i { position: absolute; inset: 5px; border: 1.5px dashed var(--blue-2); border-radius: 2px; }
.job { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--bg-3); }
.job span:last-child { margin-left: auto; }
.job.dim { opacity: .6; }

/* 03 Sharpness */
.compare { touch-action: pan-y; position: relative; border-radius: 14px; overflow: hidden; border: 1px solid var(--line-2); background: #0b0c0f; --split: 50%; }
.compare canvas { display: block; width: 100%; aspect-ratio: 21 / 9; }
.compare-range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.compare:has(.compare-range:focus-visible) { outline: 2px solid var(--blue-2); outline-offset: 3px; }
.compare-label { position: absolute; top: 14px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; padding: 5px 9px; border-radius: 6px; background: rgba(7,8,10,.7); backdrop-filter: blur(6px); pointer-events: none; }
.compare-label.left { left: 14px; color: var(--ink-2); }
.compare-label.right { right: 14px; color: var(--blue-2); }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin-top: 28px; }
.facts li { padding-top: 14px; border-top: 1px solid var(--line); display: grid; gap: 4px; }
.facts b { font-weight: 600; font-size: 19px; letter-spacing: -0.01em; }
.facts span { font-size: 14px; color: var(--ink-3); }

/* 03 Setup */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.steps li { display: flex; flex-direction: column; gap: 14px; }
.step-ui { height: 150px; border-radius: 14px; border: 1px solid var(--line); background: radial-gradient(120% 90% at 50% 0%, #12151d, var(--bg-1)); display: grid; align-content: center; gap: 8px; padding: 20px; font-size: 13.5px; }
.perm, .pick { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; background: var(--bg-3); border: 1px solid var(--line); }
.toggle { width: 26px; height: 15px; border-radius: 999px; background: var(--blue); position: relative; box-shadow: 0 0 12px -2px var(--glow); flex: none; }
.toggle::after { content: ""; position: absolute; right: 2px; top: 2px; width: 11px; height: 11px; border-radius: 50%; background: #fff; }
.approve { display: grid; gap: 4px; padding: 14px; border-radius: 12px; background: var(--bg-3); border: 1px solid var(--line-2); }
.approve span { color: var(--ink-3); font-family: var(--mono); font-size: 12px; }
.approve-row { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }
.approve i, .pick i { font-style: normal; font-size: 12.5px; padding: 4px 11px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--ink-2); }
.go { background: var(--ink); color: var(--bg) !important; border-color: transparent !important; font-weight: 600; }
.pick i { margin-left: auto; }
.steps h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; display: flex; align-items: baseline; gap: 12px; }
.steps h3 span { font-family: var(--mono); font-size: 12px; color: var(--blue-2); font-weight: 400; }
.steps p { color: var(--ink-2); font-size: 15.5px; }

/* 04 Computers */
.fleet { border-radius: 16px; border: 1px solid var(--line-2); background: var(--bg-1); overflow: hidden; }
.fleet-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.seg { display: inline-flex; padding: 3px; border-radius: 999px; background: var(--bg-3); border: 1px solid var(--line); }
.seg button { border: 0; background: transparent; padding: 5px 14px; border-radius: 999px; font-size: 13.5px; color: var(--ink-2); cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--bg); font-weight: 600; }
.fleet-count { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.fleet-body { display: grid; grid-template-columns: minmax(0, 1fr) 300px; }
.map-wrap { overflow-x: auto; }
.map-wrap[hidden] { display: none; }
.map { position: relative; aspect-ratio: 1000 / 560;
  background: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px) 0 0 / 24px 24px, radial-gradient(60% 70% at 47% 50%, rgba(77,107,255,.08), transparent 70%); }
.map-edges { position: absolute; inset: 0; width: 100%; height: 100%; }
.map-edges path { fill: none; vector-effect: non-scaling-stroke; }
.edges-member path { stroke: rgba(255,255,255,.1); stroke-width: 1; stroke-dasharray: 2 6; }
.edges-control path { stroke: rgba(255,255,255,.06); stroke-width: 1; }
.edges-control path.stale { stroke: rgba(240,180,60,.35); stroke-dasharray: 1 5; }
.map-edges .route { stroke: var(--blue); stroke-width: 2.25; stroke-dasharray: 7 7; filter: drop-shadow(0 0 6px var(--glow)); animation: flow 1.2s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -28; } }
.node {
  position: absolute; left: calc(var(--x) * 1%); top: calc(var(--y) * 1%); transform: translate(-50%, -50%);
  display: grid; grid-template-columns: auto auto; column-gap: 8px; align-items: center; text-align: left;
  padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line-2); background: rgba(17,19,23,.92);
  font-size: 13.5px; white-space: nowrap; cursor: pointer; transition: border-color .2s, box-shadow .3s, background .2s;
}
.node b { font-weight: 600; }
.node small { grid-column: 2; font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); }
.node .led { grid-row: span 2; }
.node:hover { border-color: rgba(255,255,255,.28); }
.node[aria-pressed="true"] { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(77,107,255,.14), 0 0 40px -8px var(--glow); background: #141a33; }
.node.viewer { cursor: default; opacity: 1; }
.node.relay { border-radius: 999px; border-color: rgba(142,162,255,.4); color: var(--blue-2); grid-template-columns: auto; text-align: center; cursor: default; padding: 9px 18px; }
.node.relay small { grid-column: 1; }
.list { display: grid; align-content: start; padding: 8px; gap: 2px; }
.list[hidden] { display: none; }
.list button { width: 100%; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; padding: 14px; border: 1px solid transparent; border-radius: 10px; background: transparent; text-align: left; cursor: pointer; }
.list button:hover { background: var(--bg-2); }
.list button[aria-pressed="true"] { background: #141a33; border-color: rgba(77,107,255,.5); }
.list b { font-weight: 600; }
.list small { display: block; font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.list em { font-style: normal; font-size: 13px; color: var(--ink-2); }
.detail { border-left: 1px solid var(--line); padding: 22px; display: flex; flex-direction: column; gap: 6px; }
.detail-kicker { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.detail-name { font-size: 26px; font-weight: 600; letter-spacing: -0.03em; }
.detail-os { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.detail-status { display: flex; align-items: center; gap: 10px; margin-top: 10px; font-size: 15px; }
.detail-rows { margin-top: 14px; display: grid; gap: 12px; }
.detail-rows dt { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.detail-rows dd { margin-top: 3px; font-size: 14px; color: var(--ink-2); }
.detail-action { margin-top: auto; align-self: flex-start; font-size: 14px; font-weight: 600; padding: 8px 16px; border-radius: 999px; background: var(--ink); color: var(--bg); }
.detail-action.quiet { background: transparent; color: var(--ink); border: 1px solid var(--line-2); font-weight: 500; }

/* 05 Relay lanes */
.lanes { border-radius: 16px; border: 1px solid var(--line-2); background: var(--bg-1); padding: 8px 22px 14px; }
.lanes-head, .lane { display: grid; grid-template-columns: 170px minmax(0, 1fr); column-gap: 12px; align-items: center; }
.lanes-head { grid-template-columns: 170px repeat(3, minmax(0, 1fr)); padding: 14px 0; font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); border-bottom: 1px solid var(--line); }
.lanes-head .c { text-align: center; color: var(--blue-2); }
.lanes-head .r { text-align: right; }
.lane { height: 62px; border-bottom: 1px solid var(--line); }
.lane:last-child { border-bottom: 0; }
.lane > span:first-child { font-size: 15px; font-weight: 500; }
.track { position: relative; height: 100%; }
.track::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; border-top: 1px solid var(--line-2); }
.track::after { content: ""; position: absolute; left: 50%; top: 18%; bottom: 18%; border-left: 1px dashed rgba(142,162,255,.35); }
.pkt { position: absolute; top: 50%; width: 36px; height: 3px; margin-top: -1.5px; border-radius: 3px; background: linear-gradient(90deg, transparent, var(--blue-2), transparent); filter: drop-shadow(0 0 6px var(--blue)); }
.lane[data-dir="right"] .pkt { animation: lane-r 2.6s linear infinite; }
.lane[data-dir="left"] .pkt { animation: lane-l 2.2s linear infinite; }
.lane[data-dir="both"] .pkt { animation: lane-r 3.2s ease-in-out infinite alternate; }
.lane:nth-child(4) .pkt { animation-delay: -1.1s; }
.lane:nth-child(5) .pkt { animation-delay: -2s; }
.lane:nth-child(6) .pkt { animation-delay: -.6s; }
@keyframes lane-r { from { left: 0; } to { left: calc(100% - 36px); } }
@keyframes lane-l { from { left: calc(100% - 36px); } to { left: 0; } }
.seal { white-space: nowrap; position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 1; font-style: normal; font-family: var(--mono); font-size: 11.5px; padding: 3px 10px 3px 24px; border-radius: 999px; background: var(--bg-2); border: 1px solid var(--line-2); color: var(--ink-3); }
.seal::before { content: ""; position: absolute; left: 10px; top: 50%; width: 7px; height: 6px; margin-top: -1px; border-radius: 1.5px; background: var(--ink-3); }
.seal::after { content: ""; position: absolute; left: 11px; top: 50%; width: 5px; height: 5px; margin-top: -5.5px; border: 1.25px solid var(--ink-3); border-bottom: 0; border-radius: 3px 3px 0 0; box-sizing: border-box; }
.seal.open { color: var(--blue-2); border-color: rgba(142,162,255,.4); padding-left: 10px; }
.seal.open::before, .seal.open::after { display: none; }
.rules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 28px; }
.rules li { padding-top: 14px; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 15px; }
.rules b { display: block; font-size: 28px; font-weight: 600; letter-spacing: -0.03em; color: var(--ink); line-height: 1.1; }

/* 06 Ledger: indicator lamps */
.ledger { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; }
.ledger li { display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; grid-template-rows: auto auto; column-gap: 14px; align-items: center; padding: 18px 0; border-top: 1px solid var(--line); }
.lamp { grid-row: span 2; width: 12px; height: 12px; border-radius: 50%; justify-self: center; }
.ledger b { font-weight: 600; font-size: 16.5px; }
.ledger em { font-style: normal; font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; text-transform: uppercase; justify-self: end; }
.ledger small { grid-column: 2 / 4; font-size: 13.5px; color: var(--ink-3); }
.ledger .on .lamp { background: radial-gradient(circle at 35% 35%, #aab8ff, var(--blue) 60%); box-shadow: 0 0 0 4px rgba(77,107,255,.14), 0 0 18px 2px var(--glow); }
.ledger .on em { color: var(--blue-2); }
.ledger .next .lamp { border: 1.5px solid var(--ink-2); }
.ledger .next em { color: var(--ink-2); }
.ledger .off .lamp { background: var(--ink-4); }
.ledger .off b { color: var(--ink-2); }
.ledger .off em { color: var(--ink-3); }

/* Closing + footer */
.closing { max-width: var(--max); margin: 0 auto; padding: clamp(120px, 16vw, 220px) var(--gutter) clamp(60px, 8vw, 100px); text-align: center; }
.closing h2 { font-size: clamp(38px, 5.6vw, 80px); font-weight: 600; letter-spacing: -0.04em; line-height: .98; max-width: 16ch; margin: 0 auto; text-wrap: balance; }
.closing p { margin: 22px auto 0; max-width: 52ch; color: var(--ink-2); }
.closing .ctas { justify-content: center; margin-top: 32px; }
.footer { position: relative; overflow: hidden; padding: 28px var(--gutter) 0; border-top: 1px solid var(--line); }
.footer nav { display: flex; flex-wrap: wrap; gap: 22px; font-size: 14px; color: var(--ink-2); }
.footer nav a:hover { color: var(--ink); }
.footer-note { margin-top: 10px; font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.footer-mark { font-weight: 800; letter-spacing: -0.055em; line-height: .78; font-size: clamp(92px, 27vw, 440px); margin: clamp(40px, 6vw, 80px) 0 -.12em -.04em; padding-top: .3em;
  background: linear-gradient(#1b1c20, var(--bg) 92%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.footer-mark .bridge { color: #26272b; }

/* Without JavaScript the canvases and the map have nothing to draw, so leave them out. */
html:not(.js) :is(.os-bar, .display, .hud, .hint, .compare, .fleet) { display: none; }

/* ───────── Responsive ───────── */
@media (max-width: 1080px) {
  .hero-foot { grid-template-columns: 1fr 1fr; }
  .hero-foot .ctas { grid-column: 1 / -1; }
  .hud { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 8px; }
  .fleet-body { grid-template-columns: 1fr; }
  .detail { border-left: 0; border-top: 1px solid var(--line); }
  .detail-action { margin-top: 12px; }
}
@media (max-width: 820px) {
  .nav nav { display: none; }
  .nav-cta { margin-left: auto; }
  .hero-top { flex-direction: column; }
  .handshake { text-align: left; }
  .handshake li { justify-content: flex-start; }
  .hero-foot { grid-template-columns: 1fr; gap: 18px; }
  .facts, .rules { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: 1fr; }
  .uses { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ledger { grid-template-columns: 1fr; }
  .lanes { padding: 4px 14px 10px; }
  .lanes-head, .lane { grid-template-columns: 110px minmax(0, 1fr); }
  .lanes-head { grid-template-columns: 110px repeat(3, minmax(0, 1fr)); }
  .lane > span:first-child { font-size: 13.5px; }
  .map { min-width: 660px; }
}
@media (max-width: 560px) {
  .hud { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts, .rules, .uses { grid-template-columns: 1fr; }
  .compare canvas { aspect-ratio: 4 / 3; }
  .lanes-head span:not(:first-child):not(.c) { display: none; }
  .lanes-head { grid-template-columns: 110px 1fr; }
  .lanes-head .c { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .bridge::after { opacity: 0; }
  .pkt { left: calc(50% - 18px) !important; opacity: .5; }
}