:root {
  --bg: #030712;
  --bg-deep: #010309;
  --panel: #07101f;
  --panel-soft: rgba(9, 20, 38, 0.74);
  --ink: #e8f2ff;
  --muted: #8aa0bb;
  --faint: #53657d;
  --line: rgba(130, 176, 229, 0.16);
  --line-strong: rgba(130, 176, 229, 0.32);
  --blue: #5baaff;
  --cyan: #43e4ce;
  --red: #ff6f78;
  --orange: #ffab55;
  --gold: #ffc14d;
  --display: "Rajdhani", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --page: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg-deep); }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--ink); font-family: var(--body); font-weight: 300; }
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 72% 12%, rgba(32, 92, 163, 0.14), transparent 32%),
    radial-gradient(circle at 12% 57%, rgba(23, 99, 110, 0.08), transparent 28%),
    linear-gradient(rgba(111, 157, 209, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 157, 209, 0.026) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 72px 72px, 72px 72px, auto;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: 0.17;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 10px 14px; background: var(--ink); color: var(--bg); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 15;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
}
.site-header.scrolled { background: rgba(2, 6, 14, 0.76); border-color: var(--line); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-family: var(--display); font-size: 14px; font-weight: 600; letter-spacing: .15em; text-decoration: none; }
.brand b { color: var(--blue); }
.brand-mark { position: relative; width: 26px; height: 26px; display: inline-grid; place-items: center; }
.brand-mark i { position: absolute; border: 1px solid rgba(117, 177, 241, .62); border-radius: 50%; }
.brand-mark i:nth-child(1) { width: 23px; height: 23px; }
.brand-mark i:nth-child(2) { width: 12px; height: 12px; transform: translate(5px, -4px); border-color: rgba(255, 193, 77, .8); }
.brand-mark i:nth-child(3) { width: 4px; height: 4px; background: var(--blue); box-shadow: 0 0 12px var(--blue); border: 0; }
.site-header nav { display: flex; gap: 30px; }
.site-header nav a { color: var(--muted); font-family: var(--display); font-size: 13px; font-weight: 600; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; transition: color .2s ease; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: var(--ink); }

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  padding: 136px max(24px, calc((100vw - 1180px) / 2)) 120px;
}
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: linear-gradient(90deg, rgba(3,7,18,.98) 0%, rgba(3,7,18,.8) 43%, rgba(3,7,18,.22) 76%, rgba(3,7,18,.72) 100%); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 30%; z-index: -1; background: linear-gradient(transparent, var(--bg)); }
.hero-copy { position: relative; z-index: 2; max-width: 780px; }
.eyebrow { margin: 0 0 22px; color: #90bff1; font-family: var(--display); font-size: 12px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; }
.eyebrow > span { display: inline-block; width: 26px; height: 1px; margin: 0 10px 4px 0; background: currentColor; box-shadow: 0 0 8px currentColor; }
.hero h1 { margin: 0; max-width: 760px; font-family: var(--display); font-size: clamp(56px, 7.6vw, 108px); font-weight: 500; letter-spacing: -.045em; line-height: .84; text-wrap: balance; }
.hero h1 em { display: block; color: transparent; font-style: normal; -webkit-text-stroke: 1px rgba(164, 204, 248, .72); text-shadow: 0 0 38px rgba(56, 138, 226, .16); }
.hero-deck { max-width: 660px; margin: 38px 0 0; color: #b7c8db; font-size: clamp(17px, 1.5vw, 21px); line-height: 1.7; }
.hero-note { margin: 22px 0 0; color: var(--muted); font-family: var(--display); font-size: 14px; letter-spacing: .08em; }
.hero-note strong { color: var(--gold); font-weight: 600; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 38px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 28px; padding: 0 24px; border: 1px solid var(--line-strong); font-family: var(--display); font-size: 14px; font-weight: 700; letter-spacing: .11em; text-decoration: none; text-transform: uppercase; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); border-color: rgba(144, 195, 249, .65); }
.button-primary { color: #f0f7ff; background: linear-gradient(110deg, rgba(32, 92, 164, .55), rgba(9, 34, 66, .76)); box-shadow: inset 0 0 24px rgba(62, 138, 220, .1), 0 12px 40px rgba(0,0,0,.25); }
.button-primary span { color: var(--blue); font-size: 18px; }
.button-quiet { color: var(--muted); background: rgba(5, 11, 22, .5); }
.hero-meta { position: absolute; right: max(24px, calc((100vw - 1180px) / 2)); bottom: 44px; display: flex; gap: 22px; color: var(--faint); font-family: var(--display); font-size: 10px; font-weight: 600; letter-spacing: .16em; }
.scroll-cue { position: absolute; left: max(24px, calc((100vw - 1180px) / 2)); bottom: 37px; display: flex; align-items: center; gap: 12px; color: var(--faint); font-family: var(--display); font-size: 10px; letter-spacing: .14em; text-decoration: none; text-transform: uppercase; }
.scroll-cue span { width: 1px; height: 26px; background: linear-gradient(var(--blue), transparent); }

.hero-field { position: absolute; z-index: -1; width: min(66vw, 930px); aspect-ratio: 1; right: -12vw; top: 50%; transform: translateY(-50%); opacity: .77; filter: drop-shadow(0 0 30px rgba(50, 122, 210, .08)); }
.hero-field::before, .hero-field::after { content: ""; position: absolute; inset: 14%; border-radius: 50%; border: 1px solid rgba(100, 159, 223, .08); }
.hero-field::after { inset: 33%; border-style: dashed; }
.orb-core { position: absolute; left: 50%; top: 50%; width: 28px; height: 28px; border-radius: 50%; background: #fff2b5; box-shadow: 0 0 20px 8px rgba(255, 186, 46, .5), 0 0 90px 28px rgba(255, 164, 30, .15); transform: translate(-50%, -50%); }
.orbit { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(91, 170, 255, .28); border-radius: 50%; transform: translate(-50%, -50%) rotateX(66deg) rotateZ(-15deg); }
.orbit span { position: absolute; top: 50%; left: 0; width: 12px; height: 12px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 18px 4px currentColor; }
.orbit-a { width: 36%; height: 36%; }
.orbit-b { width: 62%; height: 62%; transform: translate(-50%, -50%) rotateX(70deg) rotateZ(48deg); border-color: rgba(67, 228, 206, .24); }
.orbit-b span { left: auto; right: 9%; background: var(--cyan); }
.orbit-c { width: 86%; height: 86%; transform: translate(-50%, -50%) rotateX(70deg) rotateZ(104deg); border-color: rgba(255, 171, 85, .18); }
.orbit-c span { left: 30%; background: var(--orange); }
.scan-line { position: absolute; inset: 0 50% 0 auto; width: 1px; background: linear-gradient(transparent 8%, rgba(91,170,255,.45) 50%, transparent 92%); box-shadow: 0 0 20px rgba(91,170,255,.35); }

.section { width: var(--page); margin: 0 auto; padding: 132px 0; }
.section-index { margin-bottom: 72px; color: var(--faint); font-family: var(--display); font-size: 10px; font-weight: 600; letter-spacing: .2em; }
.section-heading h2 { margin: 0; font-family: var(--display); font-size: clamp(42px, 5vw, 72px); font-weight: 500; letter-spacing: -.035em; line-height: .98; text-wrap: balance; }
.section-heading > p:last-child { max-width: 700px; margin: 24px 0 0; color: var(--muted); font-size: 17px; line-height: 1.65; }
.story { border-top: 1px solid var(--line); }
.story-grid, .intentional-grid, .evidence-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .85fr); gap: clamp(50px, 8vw, 120px); align-items: start; }
.story-copy p, .evidence-copy p { margin: 0 0 22px; color: var(--muted); font-size: 16px; line-height: 1.75; }
.story-copy .lead, .evidence-copy .lead { color: #c9d9ea; font-size: 21px; line-height: 1.62; }
blockquote { margin: 46px 0 0; padding: 28px 0 28px 28px; border-left: 1px solid var(--gold); color: #f0dba9; font-family: var(--display); font-size: 24px; font-weight: 500; line-height: 1.4; }
.learning-loop { margin-top: 100px; padding: 26px 0; display: flex; align-items: center; justify-content: space-between; gap: 14px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: #a7bdd4; font-family: var(--display); font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.learning-loop i { color: var(--faint); font-style: normal; }
.learning-loop .loop-fail { color: var(--red); }

.systems { padding-top: 76px; }
.systems-intro { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; align-items: end; }
.systems-summary { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.lens-grid { margin-top: 72px; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.lens { position: relative; min-height: 440px; padding: 34px 28px; border-right: 1px solid var(--line); overflow: hidden; background: linear-gradient(160deg, rgba(15, 31, 55, .42), rgba(3, 8, 17, .25)); transition: background .3s ease; }
.lens:last-child { border-right: 0; }
.lens:hover { background: linear-gradient(160deg, rgba(22, 47, 81, .55), rgba(3, 8, 17, .36)); }
.lens::after { content: ""; position: absolute; width: 170px; height: 170px; top: 30px; right: -85px; border: 1px solid currentColor; border-radius: 50%; opacity: .09; }
.lens-blue { color: var(--blue); }
.lens-cyan { color: var(--cyan); }
.lens-red { color: var(--red); }
.lens-orange { color: var(--orange); }
.lens-number { color: var(--faint); font-family: var(--display); font-size: 10px; letter-spacing: .18em; }
.lens-icon { position: relative; width: 60px; height: 60px; margin: 54px 0 44px; }
.lens-icon span { position: absolute; inset: 4px; border: 1px solid currentColor; border-radius: 50%; }
.lens-icon span:nth-child(2) { inset: 14px -3px; transform: rotate(58deg); }
.lens-icon span:nth-child(3) { inset: -3px 16px; transform: rotate(-36deg); }
.lens-device span { inset: 5px 14px; border-radius: 5px; box-shadow: inset 0 0 16px color-mix(in srgb, currentColor 12%, transparent); }
.lens-device::after { content: ""; position: absolute; left: 26px; bottom: 8px; width: 7px; height: 1px; background: currentColor; }
.lens-delta span { inset: 7px; border: 0; border-left: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: rotate(-45deg); }
.lens-radar span { inset: 4px; background: conic-gradient(from 20deg, transparent 0 72%, currentColor 73% 76%, transparent 77%); opacity: .8; }
.lens-radar::after { content: ""; position: absolute; left: 29px; top: 29px; width: 3px; height: 3px; background: currentColor; border-radius: 50%; box-shadow: 0 0 14px 5px currentColor; }
.lens-kicker { margin: 0 0 12px; color: currentColor !important; font-family: var(--display); font-size: 10px !important; font-weight: 600; letter-spacing: .19em; }
.lens h3 { margin: 0 0 8px; color: var(--ink); font-family: var(--display); font-size: 25px; letter-spacing: .02em; }
.lens p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.lens-rule { width: 34px; height: 1px; margin: 28px 0; background: currentColor; box-shadow: 0 0 8px currentColor; }
.lens .lens-detail { font-size: 14px; line-height: 1.62; }
.ledger { margin: 0 7%; padding: 36px 42px; display: grid; grid-template-columns: auto .8fr 1.2fr; align-items: center; gap: 34px; border: 1px solid rgba(255,193,77,.2); border-top: 0; background: linear-gradient(90deg, rgba(255,193,77,.05), rgba(8,16,31,.45)); }
.ledger h3 { margin: 0; font-family: var(--display); font-size: 23px; }
.ledger .eyebrow { margin-bottom: 7px; color: var(--gold); }
.ledger p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.ledger-core { width: 62px; height: 62px; display: grid; place-items: center; border: 1px solid rgba(255,193,77,.35); border-radius: 50%; box-shadow: 0 0 35px rgba(255,193,77,.08); }
.ledger-core span { width: 12px; height: 12px; background: var(--gold); border-radius: 50%; box-shadow: 0 0 19px 5px rgba(255,193,77,.42); }

.universe-section { padding: 110px 0 80px; background: #01040a; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.universe-heading { padding-top: 0; padding-bottom: 60px; }
.universe-heading .section-heading { display: grid; grid-template-columns: 1fr .7fr; gap: 60px; align-items: end; }
.universe-heading .section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -30px; }
.universe-frame { position: relative; width: 100%; aspect-ratio: 16 / 8.5; min-height: 520px; max-height: 900px; overflow: hidden; background: #02040a; border-top: 1px solid rgba(91,170,255,.2); border-bottom: 1px solid rgba(91,170,255,.2); isolation: isolate; }
.universe-poster { position: absolute; inset: 0; z-index: -1; background: #02040a url('./assets/universe-poster.svg') center / cover no-repeat; }
.universe-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; opacity: 0; pointer-events: none; transition: opacity .8s ease; background: transparent; }
.universe-frame.loaded iframe { opacity: 1; }
.universe-frame.active iframe { pointer-events: auto; }
.universe-status { position: absolute; left: 50%; bottom: 22px; z-index: 3; transform: translateX(-50%); color: var(--faint); font-family: var(--display); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; transition: opacity .3s ease; }
.universe-frame.loaded .universe-status { opacity: 0; }
.universe-gate { position: absolute; inset: 0; z-index: 4; display: grid; place-content: center; justify-items: center; gap: 10px; border: 0; color: var(--ink); background: linear-gradient(rgba(2,4,10,.18), rgba(2,4,10,.34)); cursor: pointer; transition: opacity .35s ease, visibility .35s ease, backdrop-filter .35s ease; }
.universe-gate:hover, .universe-gate:focus-visible { backdrop-filter: brightness(1.18); }
.universe-frame.active .universe-gate { opacity: 0; visibility: hidden; pointer-events: none; }
.gate-ring { position: relative; width: 78px; height: 78px; margin-bottom: 10px; display: grid; place-items: center; border: 1px solid rgba(145,198,255,.45); border-radius: 50%; box-shadow: 0 0 40px rgba(65,144,230,.14); }
.gate-ring::before, .gate-ring::after { content: ""; position: absolute; border: 1px solid rgba(145,198,255,.15); border-radius: 50%; }
.gate-ring::before { inset: -12px; }
.gate-ring::after { inset: 20px; }
.gate-ring i { width: 8px; height: 8px; background: var(--blue); border-radius: 50%; box-shadow: 0 0 18px 4px var(--blue); }
.universe-gate strong { font-family: var(--display); font-size: 17px; letter-spacing: .14em; text-transform: uppercase; }
.universe-gate small { color: #9cb0c8; font-size: 12px; letter-spacing: .08em; }
.universe-done { position: absolute; z-index: 6; right: 18px; top: 18px; min-height: 40px; padding: 0 15px; border: 1px solid var(--line-strong); color: #b9cde2; background: rgba(3,7,16,.82); font-family: var(--display); font-size: 11px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; opacity: 0; visibility: hidden; cursor: pointer; transition: opacity .3s ease; }
.universe-frame.active .universe-done { opacity: 1; visibility: visible; }
.universe-caption { padding-top: 18px; padding-bottom: 0; display: flex; justify-content: space-between; color: var(--faint); font-family: var(--display); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }

.intentional { padding-top: 150px; }
.boundary-panel { position: relative; padding: 48px; border: 1px solid var(--line); background: rgba(7, 16, 31, .46); }
.boundary-panel::before { content: ""; position: absolute; width: 34px; height: 1px; left: -17px; top: 53px; background: var(--gold); box-shadow: 0 0 8px var(--gold); }
.boundary-panel > p { margin: 0; color: #bacbdd; font-size: 18px; line-height: 1.7; }
.boundary-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 36px; }
.boundary-tags span { padding: 8px 10px; border: 1px solid rgba(138,160,187,.18); color: var(--faint); font-family: var(--display); font-size: 9px; letter-spacing: .13em; }

.validation { padding-top: 80px; }
.validation .section-heading { max-width: 820px; }
.validation-lane { margin: 80px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.validation-lane li { position: relative; display: grid; grid-template-columns: 86px 260px 1fr; gap: 32px; align-items: center; min-height: 150px; border-bottom: 1px solid var(--line); }
.stage-mark { width: 50px; height: 50px; display: grid; place-items: center; border: 1px solid var(--line-strong); color: var(--blue); font-family: var(--display); font-size: 21px; }
.stage-gold { color: var(--gold); border-color: rgba(255,193,77,.36); box-shadow: 0 0 26px rgba(255,193,77,.05); }
.validation-lane li > div p { margin: 0 0 3px; color: var(--faint); font-family: var(--display); font-size: 9px; letter-spacing: .18em; }
.validation-lane h3 { margin: 0; font-family: var(--display); font-size: 26px; letter-spacing: .04em; }
.validation-lane li > div span { color: var(--muted); font-size: 12px; }
.validation-lane li > p { margin: 0; max-width: 600px; color: var(--muted); font-size: 15px; line-height: 1.65; }

.evidence { position: relative; margin-top: 40px; overflow: hidden; border: 1px solid var(--line); padding: 80px; background: linear-gradient(145deg, rgba(11,27,50,.64), rgba(3,8,17,.82)); }
.evidence .section-index { margin-bottom: 60px; }
.evidence-light { position: absolute; right: -8%; top: -40%; width: 55%; aspect-ratio: 1; border: 1px solid rgba(91,170,255,.1); border-radius: 50%; box-shadow: inset 0 0 120px rgba(38,100,170,.06), 0 0 100px rgba(38,100,170,.05); }
.evidence-principles { margin-top: 70px; display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #84a2c2; font-family: var(--display); font-size: 10px; font-weight: 600; letter-spacing: .14em; }
.evidence-principles i { flex: 1; height: 1px; background: var(--line); }

.responsibility { padding-top: 40px; }
.responsibility-grid { display: grid; grid-template-columns: .8fr 1fr 1fr; gap: 60px; align-items: start; padding: 56px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.responsibility-grid h2 { margin: 0; font-family: var(--display); font-size: 35px; font-weight: 500; line-height: 1.08; }
.responsibility-grid > p:last-child { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }

.closing { position: relative; min-height: 82vh; padding: 150px max(24px, calc((100vw - 1180px) / 2)); display: grid; place-items: center; overflow: hidden; text-align: center; background: #01040a; }
.closing-copy { position: relative; z-index: 2; max-width: 900px; }
.closing-copy .eyebrow { margin-bottom: 36px; }
.closing h2 { margin: 0; font-family: var(--display); font-size: clamp(46px, 6vw, 88px); font-weight: 500; letter-spacing: -.04em; line-height: .95; }
.closing-copy > p:not(.eyebrow) { margin: 32px 0 8px; color: var(--muted); font-size: 21px; }
.closing-copy > strong { display: block; color: var(--gold); font-family: var(--display); font-size: 24px; font-weight: 500; }
.closing .button { margin-top: 52px; }
.closing-note { position: absolute; bottom: 40px; margin: 0; color: var(--faint); font-family: var(--display); font-size: 11px; letter-spacing: .12em; }
.closing-orbit { position: absolute; width: min(76vw, 900px); aspect-ratio: 1; border: 1px solid rgba(80,150,226,.1); border-radius: 50%; transform: rotateX(66deg); }
.closing-orbit::before, .closing-orbit::after { content: ""; position: absolute; border: 1px solid rgba(80,150,226,.08); border-radius: 50%; }
.closing-orbit::before { inset: 16%; }
.closing-orbit::after { inset: 35%; }
.closing-orbit span { position: absolute; left: 13%; top: 27%; width: 9px; height: 9px; background: var(--blue); border-radius: 50%; box-shadow: 0 0 16px 4px var(--blue); }

footer { width: var(--page); min-height: 120px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); color: var(--faint); font-size: 11px; }
footer p { margin: 0; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .lens-grid { grid-template-columns: repeat(2, 1fr); }
  .lens:nth-child(2) { border-right: 0; }
  .lens:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .ledger { margin: 0; }
  .responsibility-grid { grid-template-columns: 1fr 1fr; }
  .responsibility-grid .eyebrow { grid-column: 1 / -1; }
  .evidence { width: calc(100vw - 48px); padding: 64px 44px; }
}

@media (max-width: 760px) {
  :root { --page: calc(100vw - 32px); }
  .site-header { height: 64px; padding: 0 16px; }
  .site-header nav { display: none; }
  .brand { font-size: 12px; }
  .hero { min-height: 100svh; padding: 116px 20px 116px; }
  .hero h1 { font-size: clamp(51px, 15.2vw, 76px); }
  .hero-deck { font-size: 16px; line-height: 1.65; }
  .hero-field { width: 135vw; right: -83vw; opacity: .54; }
  .hero-meta { display: none; }
  .scroll-cue { left: 20px; }
  .section { padding: 96px 0; }
  .section-index { margin-bottom: 44px; }
  .story-grid, .intentional-grid, .evidence-grid, .systems-intro { grid-template-columns: 1fr; gap: 48px; }
  .learning-loop { justify-content: flex-start; overflow-x: auto; padding-right: 24px; }
  .learning-loop span { white-space: nowrap; }
  .lens-grid { grid-template-columns: 1fr; }
  .lens { min-height: 360px; border-right: 0; border-bottom: 1px solid var(--line); }
  .lens:last-child { border-bottom: 0; }
  .ledger { grid-template-columns: auto 1fr; padding: 28px 24px; }
  .ledger > p { grid-column: 1 / -1; }
  .universe-section { padding-top: 80px; }
  .universe-heading .section-heading { grid-template-columns: 1fr; gap: 30px; }
  .universe-heading .section-heading .eyebrow { margin-bottom: 0; }
  .universe-frame { aspect-ratio: 16 / 10; min-height: 0; }
  .universe-caption { flex-direction: column; gap: 7px; }
  .universe-gate strong { font-size: 14px; }
  .universe-gate small { max-width: 260px; line-height: 1.5; }
  .gate-ring { width: 62px; height: 62px; }
  .boundary-panel { padding: 34px 26px; }
  .validation-lane li { grid-template-columns: 60px 1fr; gap: 20px; padding: 30px 0; }
  .validation-lane li > p { grid-column: 2; }
  .evidence { padding: 52px 24px; }
  .evidence-principles { align-items: flex-start; flex-direction: column; gap: 12px; }
  .evidence-principles i { width: 32px; flex: none; }
  .responsibility-grid { grid-template-columns: 1fr; gap: 30px; }
  .responsibility-grid .eyebrow { grid-column: auto; }
  .closing { min-height: 86svh; padding-inline: 20px; }
  .closing h2 { font-size: clamp(45px, 13vw, 68px); }
  footer { padding: 36px 0; flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: no-preference) {
  .orbit-a { animation: orbit-spin-a 26s linear infinite; }
  .orbit-b { animation: orbit-spin-b 33s linear infinite reverse; }
  .orbit-c { animation: orbit-spin-c 42s linear infinite; }
  .scan-line { animation: scan 5s ease-in-out infinite; }
  .closing-orbit { animation: closing-drift 18s ease-in-out infinite alternate; }
  @keyframes orbit-spin-a { to { transform: translate(-50%, -50%) rotateX(66deg) rotateZ(345deg); } }
  @keyframes orbit-spin-b { to { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(408deg); } }
  @keyframes orbit-spin-c { to { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(464deg); } }
  @keyframes scan { 0%,100% { transform: translateX(-100px); opacity: .2; } 50% { transform: translateX(100px); opacity: 1; } }
  @keyframes closing-drift { to { transform: rotateX(66deg) rotateZ(8deg) scale(1.04); } }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}