:root {
  --ink: #0b0b0b;
  --paper: #eee9df;
  --paper-2: #d9d2c5;
  --muted: #8f8c85;
  --orange: #ff4d00;
  --line: rgba(238, 233, 223, .18);
  --pad: clamp(24px, 4vw, 64px);
  --scroll: 0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; color: var(--paper); background: var(--ink); font-family: Arial, Helvetica, sans-serif; overflow-x: hidden; }
[id] { scroll-margin-top: 68px; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
em { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
::selection { color: var(--ink); background: var(--orange); }

.noise { position: fixed; inset: 0; z-index: 99; pointer-events: none; opacity: .06; background-image: repeating-radial-gradient(circle at 17% 31%, rgba(255,255,255,.45) 0 1px, transparent 1px 4px); background-size: 7px 7px; mix-blend-mode: soft-light; }

.topbar { position: fixed; top: 0; left: 0; right: 0; z-index: 50; height: 68px; padding: 0 var(--pad); display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; border-bottom: 1px solid rgba(255,255,255,.13); background: rgba(8,8,8,.6); backdrop-filter: blur(16px); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; animation: topbar-enter .7s 1.72s cubic-bezier(.2,.8,.2,1) both; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.brand-mark { width: 9px; height: 9px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 16px var(--orange); }
.brand-faint { color: #aaa; }
.topbar-center { text-align: center; color: #aaa; }
.index-link { justify-self: end; }
.index-link span { color: var(--orange); margin-left: 12px; font-size: 15px; }
.progress { position: absolute; bottom: -1px; left: 0; right: 0; height: 2px; }
.progress span { display: block; width: calc(var(--scroll) * 100%); height: 100%; background: var(--orange); box-shadow: 0 0 10px var(--orange); }

.hero { min-height: 100svh; position: relative; overflow: hidden; display: flex; align-items: flex-end; }
.hero-image, .reveal-image { position: absolute; inset: -5%; background: #0a0a0a center/cover no-repeat; will-change: transform; }
.hero-image { background-image: url("assets/hero-motion.jpg"); background-position: center; filter: saturate(.82) contrast(1.12); animation: hero-image-awake 1.65s .38s cubic-bezier(.16,.75,.2,1) both; }
.hero-vignette { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.72) 0%, rgba(0,0,0,.05) 65%), linear-gradient(0deg, rgba(0,0,0,.85), transparent 45%); }
.hero-intro { position: absolute; inset: 0; z-index: 6; overflow: hidden; pointer-events: none; animation: intro-clear .35s 2.05s ease forwards; }
.hero-intro::before { content: ""; position: absolute; inset: 0; z-index: 0; background: #080808; transform-origin: right center; animation: curtain-release 1.2s .48s cubic-bezier(.76,0,.24,1) both; }
.hero-intro::after { content: ""; position: absolute; z-index: 1; left: 0; right: 0; top: 76%; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,77,0,.22), var(--orange), white, transparent); box-shadow: 0 0 24px rgba(255,77,0,.65); transform: translateX(-105%); animation: energy-slice 1.35s .5s cubic-bezier(.22,.75,.18,1) both; }
.velocity-line { --line-color: rgba(238,233,223,.72); --line-width: 42vw; position: absolute; z-index: 2; left: 0; width: var(--line-width); min-width: 260px; height: 1px; background: linear-gradient(90deg, transparent 0%, var(--line-color) 38%, #fff 91%, transparent 100%); box-shadow: 0 0 9px rgba(255,255,255,.24); transform: translate3d(-65vw,0,0) scaleX(.15); transform-origin: right; opacity: 0; animation: velocity-pass 1.15s cubic-bezier(.16,.72,.2,1) both; }
.velocity-line::after { content: ""; position: absolute; right: 4%; top: -2px; width: 5px; height: 5px; border-radius: 50%; background: white; box-shadow: 0 0 9px 3px rgba(255,255,255,.75); }
.line-01 { top: 18%; --line-width: 31vw; animation-delay: .08s; }
.line-02 { top: 34%; --line-width: 49vw; animation-delay: .18s; }
.line-03 { top: 48%; --line-width: 37vw; animation-delay: .3s; }
.line-04 { top: 62%; --line-width: 58vw; animation-delay: .4s; }
.line-05 { top: 86%; --line-width: 34vw; animation-delay: .28s; }
.line-energy { top: 76%; height: 2px; --line-width: 56vw; --line-color: var(--orange); box-shadow: 0 0 14px rgba(255,77,0,.72); animation-delay: .5s; }
.line-energy::after { background: #fff2d6; box-shadow: 0 0 7px 3px white, 0 0 18px 8px var(--orange); }
.hero-scan { position: absolute; z-index: 1; top: 0; bottom: 0; left: -28%; width: 18%; opacity: 0; background: linear-gradient(90deg, transparent, rgba(217,229,241,.08) 46%, rgba(255,255,255,.16) 50%, rgba(217,229,241,.06) 54%, transparent); filter: blur(2px); mix-blend-mode: screen; transform: skewX(-8deg); pointer-events: none; animation: hero-scan-pass 8s 2.6s ease-in-out infinite; }
.hero-telemetry { position: absolute; z-index: 3; top: 19%; right: var(--pad); display: grid; width: min(230px, 20vw); opacity: 0; color: #aaa69e; font-size: 10px; letter-spacing: .14em; text-align: right; text-transform: uppercase; animation: telemetry-enter .72s 1.76s ease-out both; }
.hero-telemetry span { padding: 10px 0; border-top: 1px solid rgba(255,255,255,.16); }
.hero-telemetry span:last-child { border-bottom: 1px solid rgba(255,255,255,.16); }
.hero-telemetry b { margin-right: 9px; color: var(--orange); font-weight: 400; }
.motion-lock { position: absolute; z-index: 3; top: 58%; left: 60%; width: 19%; height: 25%; opacity: 0; animation: motion-lock-enter .78s 1.92s cubic-bezier(.16,.8,.2,1) both; }
.motion-lock i { position: absolute; width: 22px; height: 22px; border-color: rgba(255,255,255,.58); }
.motion-lock i:nth-child(1) { top: 0; left: 0; border-top: 1px solid; border-left: 1px solid; }.motion-lock i:nth-child(2) { top: 0; right: 0; border-top: 1px solid; border-right: 1px solid; }.motion-lock i:nth-child(3) { right: 0; bottom: 0; border-right: 1px solid; border-bottom: 1px solid; }.motion-lock i:nth-child(4) { bottom: 0; left: 0; border-bottom: 1px solid; border-left: 1px solid; }
.motion-lock::before { content: ""; position: absolute; top: 50%; left: 50%; width: 5px; height: 5px; border: 1px solid var(--orange); border-radius: 50%; box-shadow: 0 0 12px var(--orange); transform: translate(-50%,-50%); animation: tracker-pulse 2.2s 2.7s ease-out infinite; }
.motion-lock::after { content: ""; position: absolute; top: 50%; left: 50%; width: 42px; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.42), transparent); transform: translate(-50%,-50%); }
.motion-lock > span { position: absolute; top: -26px; right: 0; color: #aaa69e; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.motion-lock > span b { color: var(--orange); font-weight: 400; }
.hero-copy { position: relative; z-index: 2; width: 100%; padding: 130px var(--pad) 48px; }
.eyebrow, .chapter-no, .section-kicker { font-size: 12px; line-height: 1.15; letter-spacing: .19em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 14px; }
.eyebrow::before { content: ""; width: 42px; height: 1px; background: var(--orange); }
.hero h1 { max-width: 1000px; margin: 8vh 0 10vh; font-size: clamp(64px, 10.6vw, 174px); line-height: .76; letter-spacing: -.065em; font-weight: 600; text-transform: uppercase; }
.hero h1 em { color: var(--orange); text-transform: none; letter-spacing: -.08em; }
.hero-bottom { display: flex; justify-content: space-between; align-items: flex-end; padding-left: 22%; }
.hero-bottom > p { margin: 0; color: #c0bdb7; font-size: 12px; line-height: 1.6; letter-spacing: .12em; text-transform: uppercase; }
.round-link { width: 94px; height: 94px; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .13em; transition: background .3s, color .3s, transform .3s; }
.round-link i { color: var(--orange); font-size: 18px; font-style: normal; }
.round-link:hover { background: var(--paper); color: var(--ink); transform: rotate(8deg); }
.hero .eyebrow { animation: hero-copy-enter .72s 1.05s cubic-bezier(.2,.75,.2,1) both; }
.hero h1 { animation: hero-copy-enter .92s 1.17s cubic-bezier(.2,.75,.2,1) both; }
.hero .hero-bottom { animation: hero-copy-enter .72s 1.42s cubic-bezier(.2,.75,.2,1) both; }
.hero-number { position: absolute; z-index: 1; right: 14%; bottom: -6vw; margin: 0; font-size: clamp(170px, 28vw, 450px); line-height: .7; font-weight: 700; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.1); animation: ghost-number-enter 1s 1.35s ease both; }

@keyframes velocity-pass {
  0% { transform: translate3d(-65vw,0,0) scaleX(.15); opacity: 0; }
  14% { opacity: .95; }
  72% { opacity: .72; }
  100% { transform: translate3d(118vw,0,0) scaleX(1.15); opacity: 0; }
}
@keyframes energy-slice {
  0% { transform: translateX(-105%); opacity: 0; }
  18% { opacity: 1; }
  100% { transform: translateX(108%); opacity: 0; }
}
@keyframes curtain-release {
  0%, 18% { transform: scaleX(1); }
  100% { transform: scaleX(0); }
}
@keyframes intro-clear { to { opacity: 0; visibility: hidden; } }
@keyframes hero-image-awake {
  0% { filter: saturate(.35) contrast(1.25) brightness(.15); }
  100% { filter: saturate(.82) contrast(1.12) brightness(1); }
}
@keyframes hero-copy-enter {
  0% { opacity: 0; transform: translate3d(-44px,0,0); clip-path: inset(0 100% 0 0); }
  100% { opacity: 1; transform: translate3d(0,0,0); clip-path: inset(0 0 0 0); }
}
@keyframes ghost-number-enter { from { opacity: 0; transform: translateX(-40px); } to { opacity: 1; transform: none; } }
@keyframes topbar-enter { from { opacity: 0; transform: translateY(-100%); } to { opacity: 1; transform: none; } }
@keyframes hero-scan-pass { 0%, 14% { left: -28%; opacity: 0; } 24% { opacity: .7; } 58% { opacity: .35; } 72%, 100% { left: 112%; opacity: 0; } }
@keyframes telemetry-enter { from { opacity: 0; transform: translateX(18px); } to { opacity: 1; transform: none; } }
@keyframes motion-lock-enter { from { opacity: 0; clip-path: inset(50% 50% 50% 50%); transform: scale(.86); } to { opacity: .78; clip-path: inset(0); transform: none; } }
@keyframes tracker-pulse { 0% { box-shadow: 0 0 0 0 rgba(255,77,0,.75); } 70%, 100% { box-shadow: 0 0 0 16px rgba(255,77,0,0); } }

.light-section { color: var(--ink); background: var(--paper); }
.manifesto { min-height: 78vh; padding: 72px var(--pad) 48px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; isolation: isolate; }
.section-kicker { display: flex; align-items: center; gap: 18px; position: relative; z-index: 3; }
.section-kicker span { color: var(--orange); }
.premise-background { position: absolute; z-index: 0; inset: 0; overflow: hidden; pointer-events: none; }
.premise-background::after { content: ""; position: absolute; inset: 0; background: rgba(238,233,223,.1); }
.premise-background img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.82) contrast(.96) brightness(1.02); opacity: .94; transform: scale(1.12); will-change: transform; }
.premise-motion { position: absolute; z-index: 1; inset: 0; overflow: hidden; pointer-events: none; }
.motion-arrow { --arrow-color: rgba(11,11,11,.24); position: absolute; left: -32%; width: clamp(150px, 21vw, 360px); height: 22px; opacity: 0; color: var(--arrow-color); animation: premise-arrow-pass 3s linear infinite; }
.motion-arrow::before { content: ""; position: absolute; left: 0; right: 11px; top: 10px; height: 1px; background: var(--arrow-color); }
.motion-arrow::after { content: ""; position: absolute; right: 1px; top: 5px; width: 10px; height: 10px; border-top: 1px solid var(--arrow-color); border-right: 1px solid var(--arrow-color); transform: rotate(45deg); }
.motion-arrow i { position: absolute; left: 19%; width: 38%; top: 15px; height: 1px; background: var(--arrow-color); transform: skewX(-28deg); }
.arrow-01 { top: 13%; animation-duration: 2.65s; animation-delay: -1.1s; }.arrow-02 { top: 27%; width: clamp(110px, 15vw, 250px); animation-duration: 3.15s; animation-delay: -2.8s; }.arrow-03 { top: 42%; width: clamp(190px, 26vw, 430px); animation-duration: 2.35s; animation-delay: -.7s; }.arrow-04 { top: 59%; animation-duration: 3.45s; animation-delay: -2.15s; }.arrow-05 { top: 74%; width: clamp(125px, 17vw, 290px); animation-duration: 2.8s; animation-delay: -1.75s; }.arrow-06 { top: 89%; width: clamp(180px, 24vw, 400px); animation-duration: 3.75s; animation-delay: -3.35s; }
.arrow-energy { top: 51%; width: clamp(170px, 23vw, 390px); --arrow-color: rgba(255,77,0,.68); animation-duration: 2.55s; animation-delay: -2.05s; }
.manifesto-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(260px, .75fr); gap: 8vw; align-items: end; margin: clamp(60px, 8vh, 96px) 0 clamp(52px, 7vh, 80px); position: relative; z-index: 2; }
.manifesto h2, .epilogue h2 { margin: 0; font-size: clamp(48px, 7vw, 112px); line-height: .88; letter-spacing: -.06em; text-transform: uppercase; }
.manifesto h2 em, .epilogue h2 em { color: var(--orange); text-transform: none; }
.manifesto-copy { max-width: 420px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(17px, 1.5vw, 23px); line-height: 1.45; }
.manifesto-copy p:first-child::first-letter { float: left; margin: -.08em .1em -.1em 0; color: var(--orange); font-size: 4em; line-height: .8; }
.manifesto-copy p:last-child { margin-top: 32px; color: #5f5b55; font-family: Arial, sans-serif; font-size: 12px; line-height: 1.6; text-transform: uppercase; letter-spacing: .1em; }
.seed-line { display: flex; align-items: center; font-size: 11px; letter-spacing: .15em; text-transform: uppercase; position: relative; z-index: 2; }
.seed-line span { display: flex; align-items: center; gap: 9px; opacity: .38; transition: opacity .5s ease, color .5s ease; white-space: nowrap; }
.stage-icon { position: relative; width: 22px; height: 22px; flex: 0 0 22px; border: 1px solid #aaa49a; border-radius: 50%; color: #4f4b45; }
.icon-pencil::before { content: ""; position: absolute; left: 5px; top: 10px; width: 11px; height: 1px; background: currentColor; transform: rotate(-38deg); }
.icon-pencil::after { content: ""; position: absolute; right: 4px; top: 5px; width: 3px; height: 3px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: rotate(7deg); }
.icon-geometry::before { content: ""; position: absolute; inset: 5px; border: 1px solid currentColor; transform: rotate(45deg); }
.icon-geometry::after { content: ""; position: absolute; left: 10px; top: 3px; bottom: 3px; width: 1px; background: currentColor; }
.icon-energy::before { content: ""; position: absolute; left: 7px; top: 4px; width: 9px; height: 14px; background: currentColor; clip-path: polygon(54% 0, 100% 0, 65% 42%, 96% 42%, 28% 100%, 43% 55%, 5% 55%); }
.icon-motion::before { content: ""; position: absolute; left: 4px; right: 5px; top: 10px; height: 1px; background: currentColor; }
.icon-motion::after { content: ""; position: absolute; right: 4px; top: 7px; width: 6px; height: 6px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: rotate(45deg); }
.seed-line i { flex: 1; height: 1px; margin: 0 18px; background: #afa99e; position: relative; transform: scaleX(0); transform-origin: left; }
.seed-line i::after { content: ""; position: absolute; right: 0; top: -2px; width: 5px; height: 5px; border-radius: 50%; background: var(--orange); opacity: 0; transform: scale(0); box-shadow: 0 0 10px rgba(255,77,0,.6); }
.seed-line.is-visible span { opacity: 1; }
.seed-line.is-visible span:last-child { color: var(--orange); }
.seed-line.is-visible i { animation: seed-grow .72s cubic-bezier(.2,.75,.2,1) both; }
.seed-line.is-visible i:nth-of-type(2) { animation-delay: .42s; }.seed-line.is-visible i:nth-of-type(3) { animation-delay: .84s; }
.seed-line.is-visible i::after { animation: seed-node .32s .68s ease both; }
.seed-line.is-visible i:nth-of-type(2)::after { animation-delay: 1.1s; }.seed-line.is-visible i:nth-of-type(3)::after { animation-delay: 1.52s; }

@keyframes premise-arrow-pass { 0% { opacity: 0; transform: translateX(0); } 8% { opacity: .82; } 84% { opacity: .48; } 100% { opacity: 0; transform: translateX(650%); } }
@keyframes seed-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes seed-node { from { opacity: 0; transform: scale(0); } to { opacity: 1; transform: scale(1); } }

.story { position: relative; }
.chapter-index { position: sticky; top: 104px; z-index: 20; float: left; margin-top: clamp(76px, 10vh, 118px); margin-left: var(--pad); width: 90px; height: 0; mix-blend-mode: difference; }
.chapter-index p { margin: 0 0 18px; color: #aaa; font-size: 11px; letter-spacing: .18em; text-transform: uppercase; }
.chapter-index a { display: flex; gap: 10px; padding: 6px 0; color: #929292; font-size: 11px; letter-spacing: .11em; text-transform: uppercase; transition: color .25s; }
.chapter-index a b { font-weight: 400; }
.chapter-index a span { opacity: 0; transform: translateX(-4px); transition: opacity .25s, transform .25s; }
.chapter-index a.active { color: #fff; }
.chapter-index a.active b { color: var(--orange); }
.chapter-index a.active span, .chapter-index a:hover span { opacity: 1; transform: none; }
.chapter-index { transition: opacity .32s ease, transform .32s ease; }
.chapter-index.is-hidden { opacity: 0; transform: translateX(-18px); pointer-events: none; }
.story-rail { position: absolute; z-index: 12; top: 0; bottom: 0; left: calc(var(--pad) + 112px); width: 1px; }
.rail-line { position: absolute; inset: 0; background: rgba(255,255,255,.08); }
.travelling-spark { position: absolute; top: 0; left: -3px; width: 7px; height: 7px; border-radius: 50%; background: #fff1d0; box-shadow: 0 0 4px 2px white, 0 0 18px 8px var(--orange), 0 0 50px 10px rgba(255,77,0,.45); transform: translateY(var(--spark-y, 0)); will-change: transform; }

.chapter { position: relative; min-height: 100vh; padding: 15vh var(--pad) 15vh calc(var(--pad) + 15vw); overflow: hidden; }
.chapter-spark { min-height: auto; padding-bottom: clamp(56px, 8vh, 90px); }
.chapter-copy { max-width: 570px; position: relative; z-index: 2; }
.chapter-no { color: var(--orange); }
.chapter h2 { margin: 24px 0 34px; font-size: clamp(58px, 8vw, 128px); line-height: .84; letter-spacing: -.06em; text-transform: uppercase; }
.chapter h2 em { color: var(--orange); text-transform: none; }
.lede { max-width: 460px; color: #bbb7af; font-family: Georgia, serif; font-size: clamp(18px, 2vw, 27px); line-height: 1.45; }
.chapter-meta { display: flex; gap: 70px; margin-top: 50px; }
.chapter-meta div { display: flex; flex-direction: column; gap: 8px; }
.chapter-meta dt { color: #aaa69e; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.chapter-meta dd { margin: 0; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.media-card { position: relative; margin: 10vh 0 0 auto; width: min(79vw, 1100px); background: #111; }
.media-card img { aspect-ratio: 16/9; object-fit: cover; filter: saturate(.8); }
.media-card figcaption { display: flex; justify-content: space-between; padding-top: 12px; color: #aaa69e; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.media-card figcaption span { color: var(--orange); }
.spark-graphite-line { position: absolute; z-index: 3; top: 62%; left: 3%; width: 94%; height: 2px; opacity: 0; background: linear-gradient(90deg, transparent 0, rgba(20,18,16,.36) 3%, rgba(12,11,10,.88) 48%, rgba(30,27,24,.6) 92%, transparent 100%); filter: drop-shadow(0 1px 1px rgba(255,255,255,.2)); mix-blend-mode: multiply; transform: rotate(-5.5deg) scaleX(0); transform-origin: left center; pointer-events: none; }
.spark-graphite-line::after { content: ""; position: absolute; top: -2px; right: 0; width: 6px; height: 6px; border-radius: 50%; opacity: 0; background: #181512; box-shadow: 0 0 0 4px rgba(24,21,18,.12); }
.chapter-spark .media-card.is-visible .spark-graphite-line { animation: graphite-draw 1.55s .28s cubic-bezier(.16,.72,.18,1) both; }
.chapter-spark .media-card.is-visible .spark-graphite-line::after { animation: graphite-point .28s 1.62s ease-out both; }
@keyframes graphite-draw { 0% { opacity: 0; transform: rotate(-5.5deg) scaleX(0); } 12% { opacity: .35; } 100% { opacity: .82; transform: rotate(-5.5deg) scaleX(1); } }
@keyframes graphite-point { from { opacity: 0; transform: scale(0); } to { opacity: .72; transform: scale(1); } }
.corner { position: absolute; width: 22px; height: 22px; }
.corner::before, .corner::after { content: ""; position: absolute; background: var(--orange); }
.corner::before { width: 100%; height: 1px; }.corner::after { width: 1px; height: 100%; }
.top-left { top: -9px; left: -9px; }.bottom-right { right: -9px; bottom: 12px; transform: rotate(180deg); }

@media (min-width: 1024px) {
  .chapter-spark { display: grid; grid-template-columns: minmax(300px, .68fr) minmax(0, 1.32fr); column-gap: clamp(44px, 6vw, 104px); align-items: start; }
  .chapter-spark .chapter-copy { max-width: 500px; }
  .chapter-spark .media-card { width: 100%; margin: 38px 0 0; }
}

.chapter-sketch { min-height: 110vh; padding-top: 18vh; background: #d9d2c5; color: var(--ink); }
.large-quote { position: relative; z-index: 2; }
.large-quote > span { position: absolute; top: -90px; left: -20px; color: var(--orange); font-family: Georgia, serif; font-size: 180px; line-height: 1; opacity: .6; }
.large-quote blockquote { position: relative; margin: 0; font: italic clamp(55px, 8vw, 130px)/.82 Georgia, serif; letter-spacing: -.055em; }
.large-quote p { margin: 30px 0 0; font-size: 11px; letter-spacing: .15em; text-transform: uppercase; }
.sketch-strip { position: relative; margin-top: 12vh; height: 48vh; min-height: 390px; }
.crop { position: absolute; background-image: url("assets/sketch.jpg"); background-size: cover; }
.crop-a { inset: 0 10% 0 16%; background-position: center 62%; filter: grayscale(1) contrast(1.03); }
.annotation { position: absolute; display: flex; flex-direction: column; gap: 4px; padding-left: 28px; opacity: 0; color: var(--ink); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; transform: translateY(14px); }
.annotation::before { content: ""; position: absolute; left: 0; top: 6px; width: 0; height: 1px; background: var(--orange); }
.annotation b { font-size: 16px; }.annotation span { color: #504c46; }
.a1 { top: 10%; left: 4%; }.a2 { top: 72%; left: 3%; }.a3 { top: 36%; right: 1%; }
.sketch-strip.is-visible .annotation { animation: annotation-place .48s cubic-bezier(.18,.8,.22,1) both; }
.sketch-strip.is-visible .annotation::before { animation: annotation-rule .34s ease-out both; }
.sketch-strip.is-visible .a1 { animation-delay: .32s; }.sketch-strip.is-visible .a1::before { animation-delay: .6s; }
.sketch-strip.is-visible .a2 { animation-delay: .68s; }.sketch-strip.is-visible .a2::before { animation-delay: .96s; }
.sketch-strip.is-visible .a3 { animation-delay: 1.04s; }.sketch-strip.is-visible .a3::before { animation-delay: 1.32s; }
@keyframes annotation-place { 0% { opacity: 0; transform: translateY(14px); } 70% { opacity: 1; transform: translateY(-2px); } 100% { opacity: 1; transform: none; } }
@keyframes annotation-rule { from { width: 0; } to { width: 20px; } }

.chapter-structure { padding-top: 18vh; background: #0d0d0d; }
.chapter-structure .chapter-copy { margin-left: 10vw; }
.media-card.wide { width: calc(100% - 4vw); margin-top: 12vh; }
.hotspot { position: absolute; display: flex; align-items: center; gap: 10px; opacity: 0; transform: translateX(-9px) scale(.72); transform-origin: left center; }
.hotspot i { position: relative; width: 8px; height: 8px; border: 1px solid white; border-radius: 50%; box-shadow: 0 0 0 5px rgba(255,255,255,.12); }
.hotspot i::after { content: ""; position: absolute; inset: -7px; border: 1px solid var(--orange); border-radius: 50%; opacity: 0; transform: scale(.35); }
.hotspot span { padding: 8px 10px; color: #ddd8cf; background: rgba(0,0,0,.72); backdrop-filter: blur(7px); font-size: 11px; letter-spacing: .11em; text-transform: uppercase; }
.hotspot b { margin-right: 7px; color: var(--orange); }
.hs-1 { top: 32%; left: 42%; }.hs-2 { top: 60%; left: 52%; }.hs-3 { top: 37%; right: 13%; }
.chapter-structure .media-card.is-visible .hotspot { animation: hotspot-activate .52s cubic-bezier(.16,.85,.24,1) both; }
.chapter-structure .media-card.is-visible .hotspot i::after { animation: hotspot-pulse .62s ease-out both; }
.chapter-structure .media-card.is-visible .hs-1 { animation-delay: .46s; }.chapter-structure .media-card.is-visible .hs-1 i::after { animation-delay: .72s; }
.chapter-structure .media-card.is-visible .hs-2 { animation-delay: .84s; }.chapter-structure .media-card.is-visible .hs-2 i::after { animation-delay: 1.1s; }
.chapter-structure .media-card.is-visible .hs-3 { animation-delay: 1.22s; }.chapter-structure .media-card.is-visible .hs-3 i::after { animation-delay: 1.48s; }
@keyframes hotspot-activate { 0% { opacity: 0; transform: translateX(-9px) scale(.72); } 65% { opacity: 1; transform: translateX(2px) scale(1.05); } 100% { opacity: 1; transform: none; } }
@keyframes hotspot-pulse { 0% { opacity: 0; transform: scale(.35); } 42% { opacity: .95; } 100% { opacity: 0; transform: scale(1.55); } }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; width: calc(100% - 4vw); margin-left: auto; background: #313131; border: 1px solid #313131; }
.stat-row div { padding: 28px 22px; background: #101010; }
.stat-row strong { display: block; font: 38px/1 Georgia, serif; color: var(--paper); }
.stat-row span { display: block; margin-top: 9px; color: #aaa69e; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }

.chapter-assembly { min-height: 110vh; padding-top: 12vh; padding-bottom: 10vh; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr); gap: 7vw; align-items: center; background: #151515; }
.assembly-visual { position: relative; width: 100%; height: auto; aspect-ratio: 16 / 9; overflow: hidden; background: #080808; }
.assembly-image { display: block; width: 100%; height: 100%; object-fit: contain; }
.assembly-visual::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.16); pointer-events: none; }
.scanline { position: absolute; z-index: 2; left: 0; right: 0; top: 20%; height: 1px; background: rgba(255,77,0,.9); box-shadow: 0 0 15px var(--orange); animation: scan 6s ease-in-out infinite; }
@keyframes scan { 0%,100%{top:14%;opacity:.25} 50%{top:87%;opacity:1} }
.frame-label { position: absolute; z-index: 3; left: 28px; bottom: 20px; margin: 0; display: flex; align-items: flex-end; gap: 30px; }
.frame-label span { color: #bbb7af; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; writing-mode: vertical-rl; }
.frame-label b { font-size: 18px; line-height: 1.05; text-transform: uppercase; }
.assembly-copy h2 { font-size: clamp(52px, 6.2vw, 105px); }
.sequence { margin: 50px 0 0; padding: 0; list-style: none; }
.sequence li { position: relative; display: grid; grid-template-columns: 28px 1fr auto; gap: 12px; padding: 14px 0; opacity: .18; border-top: 1px solid #333; align-items: center; text-transform: uppercase; transform: translateX(24px); }
.sequence li::after { content: ""; position: absolute; top: -1px; left: 0; width: 100%; height: 1px; opacity: 0; background: var(--orange); transform: scaleX(0); transform-origin: left; }
.sequence li:last-child { border-bottom: 1px solid #333; }
.sequence span { color: var(--orange); font-size: 11px; }.sequence b { font-size: 12px; letter-spacing: .09em; }.sequence i { display: flex; align-items: center; gap: 8px; color: #aaa69e; font-size: 11px; font-style: normal; letter-spacing: .09em; }
.sequence i::before { content: ""; width: 6px; height: 6px; border: 1px solid #5d5d5d; background: transparent; transform: rotate(45deg) scale(.65); }
.assembly-copy.is-visible .sequence li { animation: assembly-lock .44s cubic-bezier(.16,.88,.24,1) both; }
.assembly-copy.is-visible .sequence li::after { animation: assembly-seal .5s ease-out both; }
.assembly-copy.is-visible .sequence i::before { animation: assembly-node .32s ease-out both; }
.assembly-copy.is-visible .sequence li:nth-child(1), .assembly-copy.is-visible .sequence li:nth-child(1)::after, .assembly-copy.is-visible .sequence li:nth-child(1) i::before { animation-delay: .34s; }
.assembly-copy.is-visible .sequence li:nth-child(2), .assembly-copy.is-visible .sequence li:nth-child(2)::after, .assembly-copy.is-visible .sequence li:nth-child(2) i::before { animation-delay: .68s; }
.assembly-copy.is-visible .sequence li:nth-child(3), .assembly-copy.is-visible .sequence li:nth-child(3)::after, .assembly-copy.is-visible .sequence li:nth-child(3) i::before { animation-delay: 1.02s; }
.assembly-copy.is-visible .sequence li:nth-child(4), .assembly-copy.is-visible .sequence li:nth-child(4)::after, .assembly-copy.is-visible .sequence li:nth-child(4) i::before { animation-delay: 1.36s; }
@keyframes assembly-lock { 0% { opacity: .18; transform: translateX(24px); } 72% { opacity: 1; transform: translateX(-2px); } 100% { opacity: 1; transform: none; } }
@keyframes assembly-seal { 0% { opacity: 0; transform: scaleX(0); } 55% { opacity: 1; } 100% { opacity: .38; transform: scaleX(1); } }
@keyframes assembly-node { 0% { border-color: #5d5d5d; background: transparent; transform: rotate(45deg) scale(.65); } 58% { border-color: var(--orange); background: var(--orange); box-shadow: 0 0 12px var(--orange); transform: rotate(45deg) scale(1.2); } 100% { border-color: var(--orange); background: transparent; box-shadow: none; transform: rotate(45deg) scale(1); } }

.chapter-reveal { --headlight-p: 0; --headlight-scale: .65; --wheels-p: 0; --body-p: 0; --full-p: 0; --full-opacity: .12; --overlay-opacity: .9; --copy-p: 0; --copy-shift: 30px; --spec-p: 0; --spec-shift: 100%; min-height: 230vh; padding: 0; display: block; overflow: visible; }
.reveal-stage { position: sticky; top: 0; height: 100svh; display: flex; align-items: center; overflow: hidden; background: #020202; }
.reveal-image, .reveal-light-layer { position: absolute; inset: -5%; background: #020202 url("assets/launch.jpg") center/cover no-repeat; }
.reveal-image { filter: saturate(.3) brightness(.2) contrast(1.25); transform: scale(1.04); }
.reveal-light-layer { z-index: 1; filter: saturate(.88) brightness(.94) contrast(1.08); will-change: opacity; }
.reveal-light-layer--headlight { opacity: var(--headlight-p); -webkit-mask-image: radial-gradient(ellipse 13% 10% at 69% 44%, #000 0 28%, rgba(0,0,0,.7) 52%, transparent 100%); mask-image: radial-gradient(ellipse 13% 10% at 69% 44%, #000 0 28%, rgba(0,0,0,.7) 52%, transparent 100%); }
.reveal-light-layer--wheels { opacity: var(--wheels-p); -webkit-mask-image: radial-gradient(circle at 29% 72%, #000 0 9%, rgba(0,0,0,.75) 13%, transparent 20%), radial-gradient(circle at 72% 72%, #000 0 10%, rgba(0,0,0,.75) 14%, transparent 21%); mask-image: radial-gradient(circle at 29% 72%, #000 0 9%, rgba(0,0,0,.75) 13%, transparent 20%), radial-gradient(circle at 72% 72%, #000 0 10%, rgba(0,0,0,.75) 14%, transparent 21%); }
.reveal-light-layer--body { opacity: var(--body-p); -webkit-mask-image: radial-gradient(ellipse 39% 32% at 52% 57%, #000 0 34%, rgba(0,0,0,.82) 62%, transparent 100%); mask-image: radial-gradient(ellipse 39% 32% at 52% 57%, #000 0 34%, rgba(0,0,0,.82) 62%, transparent 100%); }
.reveal-light-layer--full { opacity: var(--full-opacity); }
.reveal-headlight-bloom { position: absolute; z-index: 2; top: 36%; left: 65%; width: min(38vw, 620px); height: 17%; opacity: var(--headlight-p); background: radial-gradient(ellipse at 15% 50%, rgba(255,255,255,.96) 0 1%, rgba(255,241,218,.68) 3%, rgba(255,120,45,.22) 13%, transparent 62%); filter: blur(4px); mix-blend-mode: screen; transform: scaleX(var(--headlight-scale)); transform-origin: 15% 50%; will-change: opacity, transform; }
.reveal-overlay { position: absolute; z-index: 3; inset: 0; opacity: var(--overlay-opacity); background: radial-gradient(circle at 70% 55%, transparent 5%, rgba(0,0,0,.2) 49%, rgba(0,0,0,.88) 100%), linear-gradient(90deg, rgba(0,0,0,.82), transparent 63%); pointer-events: none; }
.reveal-copy { position: relative; z-index: 4; margin-left: calc(var(--pad) + 15vw); opacity: var(--copy-p); transform: translateY(var(--copy-shift)); will-change: opacity, transform; }
.reveal-copy h2 { font-size: clamp(70px, 11vw, 180px); }
.reveal-copy > p:last-child { margin-top: 45px; color: #aaa; font: 19px/1.5 Georgia, serif; }
.spec-ticker { position: absolute; z-index: 4; bottom: 0; left: 0; right: 0; display: flex; justify-content: space-around; gap: 30px; padding: 22px var(--pad); opacity: var(--spec-p); transform: translateY(var(--spec-shift)); border-top: 1px solid rgba(255,255,255,.2); background: rgba(0,0,0,.35); backdrop-filter: blur(10px); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; will-change: opacity, transform; }

.epilogue { min-height: 78vh; padding: 72px var(--pad) 26px; display: flex; flex-direction: column; position: relative; overflow: hidden; isolation: isolate; }
.epilogue::before { content: ""; position: absolute; z-index: 2; inset: 0; background: linear-gradient(90deg, rgba(238,233,223,.38) 0%, rgba(238,233,223,.12) 43%, rgba(238,233,223,.03) 72%, rgba(238,233,223,.16) 100%); pointer-events: none; }
.epilogue-background { position: absolute; z-index: 0; inset: 0; }
.epilogue-background img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.idea-line-canvas { position: absolute; z-index: 1; inset: 0; width: 100%; height: 100%; opacity: .42; mix-blend-mode: multiply; pointer-events: none; }
.epilogue > :not(.idea-line-canvas):not(.epilogue-background) { position: relative; z-index: 3; }
.epilogue h2 { margin: auto 0; }
.restart { width: 190px; align-self: flex-end; display: flex; justify-content: space-between; padding: 15px 0; border-bottom: 1px solid #999; font-size: 11px; text-transform: uppercase; letter-spacing: .12em; }
.restart i { color: var(--orange); font-size: 16px; font-style: normal; }
.epilogue footer { display: grid; grid-template-columns: 1fr 1fr 1fr; margin-top: 52px; padding-top: 20px; border-top: 1px solid #aaa49a; color: #5f5b55; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.epilogue footer p:nth-child(2) { text-align: center; }.epilogue footer p:last-child { text-align: right; }
.epilogue footer a { border-bottom: 1px solid transparent; transition: color .25s ease, border-color .25s ease; }
.epilogue footer a:hover, .epilogue footer a:focus-visible { color: var(--ink); border-color: var(--orange); }

.reveal { opacity: 0; transform: translateY(35px); transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 800px) {
  .topbar { grid-template-columns: 1fr auto; }.topbar-center { display: none; }
  .hero-image { background-position: 68% center; }.hero-copy { padding-top: 104px; padding-bottom: 34px; }.eyebrow { gap: 10px; font-size: 10px; letter-spacing: .15em; }.eyebrow::before { width: 28px; }.hero h1 { margin: clamp(76px, 12svh, 104px) 0 clamp(72px, 11svh, 96px); font-size: clamp(58px, 19vw, 110px); line-height: .8; }
  .hero-telemetry { display: none; }.motion-lock > span { display: none; }
  .hero-bottom { padding-left: 0; }.round-link { width: 78px; height: 78px; }
  .manifesto { min-height: auto; padding-top: 52px; padding-bottom: 36px; }.premise-background img { object-position: 54% center; opacity: .84; }.manifesto-grid { grid-template-columns: 1fr; margin: clamp(54px, 7.5svh, 68px) 0 clamp(44px, 6.5svh, 58px); }.manifesto-copy { margin-left: 5vw; }
  .seed-line { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }.seed-line span { flex-direction: column; justify-content: center; gap: 7px; font-size: 10px; letter-spacing: .08em; text-align: center; }.seed-line span:nth-of-type(even) { display: flex; }.seed-line > i { display: none; }
  .chapter-index { display: none; }.story-rail { left: 17px; }.chapter { padding: clamp(76px, 11svh, 98px) 20px clamp(70px, 10svh, 90px) 42px; }.chapter-meta { gap: clamp(28px, 11vw, 48px); margin-top: 38px; }
  .chapter-spark { padding-top: clamp(76px, 10svh, 90px); }.chapter h2 { font-size: clamp(56px, 18vw, 100px); }
  .media-card, .media-card.wide { width: 100%; margin-top: clamp(48px, 7svh, 64px); }.media-card figcaption { gap: 18px; font-size: 10px; line-height: 1.45; }
  .chapter-sketch { min-height: auto; padding-top: clamp(82px, 12svh, 104px); padding-bottom: clamp(70px, 10svh, 90px); }.large-quote blockquote { font-size: clamp(52px, 16vw, 90px); }.sketch-strip { height: clamp(350px, 46svh, 400px); min-height: 0; margin-top: clamp(54px, 8svh, 70px); }.crop-a { inset: 0; }.annotation { display: flex; padding: 6px 8px 6px 26px; color: #171512; background: rgba(228,221,208,.84); box-shadow: 0 5px 18px rgba(41,37,31,.1); backdrop-filter: blur(4px); font-size: 10px; letter-spacing: .08em; }.annotation::before { left: 5px; top: 12px; }.annotation b { font-size: 14px; }.annotation span { color: #3f3a34; }.a1 { top: 8%; left: 4%; }.a2 { top: auto; bottom: 6%; left: 4%; }.a3 { top: 42%; right: 3%; }
  .chapter-structure { padding-top: clamp(80px, 11svh, 98px); padding-bottom: clamp(70px, 10svh, 90px); }.chapter-structure .chapter-copy { margin-left: 0; }.chapter-structure .media-card.wide { margin-top: clamp(44px, 6svh, 56px); }.hotspot span { display: none; }.stat-row { grid-template-columns: 1fr 1fr; width: 100%; }.stat-row div { padding: 20px 15px; }.stat-row strong { font-size: 32px; }.stat-row span { font-size: 10px; line-height: 1.35; }
  .chapter-assembly { min-height: auto; display: block; padding-top: clamp(64px, 8svh, 76px); padding-bottom: clamp(64px, 8svh, 76px); }.assembly-visual { height: auto; aspect-ratio: 16 / 9; }.assembly-copy { padding-top: clamp(44px, 6svh, 56px); }.chapter-assembly h2 { font-size: clamp(48px, 15vw, 62px); }.sequence { margin-top: 34px; }.sequence li { gap: 9px; }.sequence b, .sequence i { font-size: 10px; }
  .chapter-reveal { min-height: 210svh; }.reveal-image, .reveal-light-layer { background-position: 66% center; }.reveal-copy { width: calc(100% - 62px); margin-left: 42px; }.reveal-copy h2 { font-size: clamp(50px, 15vw, 64px); line-height: .86; }.reveal-copy > p:last-child { margin-top: 34px; color: #c1bdb5; font-size: 17px; }.spec-ticker { justify-content: flex-start; gap: 24px; padding: 18px 24px; overflow: hidden; white-space: nowrap; font-size: 10px; }
  .epilogue { min-height: 72svh; padding-top: 54px; padding-bottom: 18px; }.epilogue::before { background: rgba(238,233,223,.32); }.epilogue-background img { object-position: 58% center; }.epilogue h2 { font-size: clamp(53px, 15vw, 90px); }.epilogue footer { grid-template-columns: 1fr auto; gap: 8px 14px; margin-top: 38px; font-size: 10px; line-height: 1.4; }.epilogue footer p { margin: 0; }.epilogue footer p:first-child { grid-column: 1; grid-row: 1; }.epilogue footer p:nth-child(2) { display: block; grid-column: 1 / -1; grid-row: 2; text-align: left; }.epilogue footer p:last-child { grid-column: 2; grid-row: 1; }
}

@media (max-width: 360px) {
  .topbar { font-size: 10px; letter-spacing: .12em; }.brand { gap: 8px; }.index-link span { margin-left: 7px; }
  .hero h1 { font-size: clamp(56px, 18vw, 66px); }.hero-bottom > p { font-size: 10px; letter-spacing: .09em; }.round-link { width: 72px; height: 72px; }
  .manifesto h2 { font-size: clamp(44px, 14vw, 52px); }.manifesto-copy { margin-left: 0; }.manifesto-copy p:last-child { font-size: 11px; }
  .chapter h2 { font-size: clamp(52px, 17vw, 64px); }.chapter-assembly h2 { font-size: clamp(46px, 14.5vw, 54px); }.reveal-copy h2 { font-size: clamp(44px, 14vw, 50px); }
  .frame-label { left: 18px; bottom: 14px; }.frame-label b { font-size: 16px; }
  .epilogue h2 { font-size: clamp(48px, 15vw, 56px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .hero-intro { display: none !important; }
  .premise-motion *, .seed-line * { animation: none !important; transition: none !important; }
  .motion-arrow { opacity: .16; transform: translateX(270%); }.seed-line i { transform: scaleX(1); }.seed-line i::after { opacity: 1; transform: scale(1); }
  .topbar, .hero-image, .hero .eyebrow, .hero h1, .hero .hero-bottom, .hero-number, .hero-telemetry, .motion-lock { animation: none !important; opacity: 1; transform: none; clip-path: none; }.hero-scan { display: none; }.motion-lock::before { animation: none !important; }
  .parallax { transform: none !important; }.reveal { opacity: 1; transform: none; }
  .spark-graphite-line, .annotation, .hotspot, .sequence li { opacity: 1 !important; transform: none !important; animation: none !important; }.spark-graphite-line { transform: rotate(-5.5deg) scaleX(1) !important; }.spark-graphite-line::after { opacity: .72; }.annotation::before { width: 20px; }.hotspot i::after { display: none; }.sequence li::after { opacity: .38; transform: scaleX(1); }.sequence i::before { border-color: var(--orange); }
  .chapter-reveal { min-height: 100svh; }.reveal-stage { position: relative; }.reveal-image { filter: saturate(.88) brightness(.88) contrast(1.08); }.reveal-light-layer--full, .reveal-copy, .spec-ticker { opacity: 1 !important; transform: none !important; }.reveal-headlight-bloom { opacity: .75 !important; transform: none !important; }
}