:root {
  --ink: #0b0718;
  --ink-soft: #171029;
  --ink-raised: #201737;
  --pearl: #f7f3ec;
  --pearl-dim: #c9c2d3;
  --amber: #f6ae3c;
  --amber-bright: #ffd071;
  --violet: #7653cf;
  --line: rgba(247, 243, 236, 0.14);
  --shell: min(1240px, calc(100% - 96px));
  --header-height: 88px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  background: var(--ink);
}

body {
  margin: 0;
  color: var(--pearl);
  background: var(--ink);
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--amber-bright);
  border-radius: 4px;
  transform: translateY(-160%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 3px solid var(--amber-bright);
  outline-offset: 4px;
  border-radius: 3px;
}

::selection { color: var(--ink); background: var(--amber-bright); }

.shell { width: var(--shell); margin-inline: auto; }
.cinematic { position: relative; min-height: 100svh; overflow: hidden; }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease, height .35s ease;
}

.site-header.is-scrolled {
  height: 72px;
  background: rgba(11, 7, 24, .78);
  border-color: var(--line);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: .08em; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; }
.brand-mark svg { width: 100%; height: 100%; overflow: visible; }
.brand-mark path:first-child { fill: none; stroke: var(--pearl); stroke-width: 1.25; }
.brand-mark path:last-child { fill: var(--amber); stroke: none; }
.brand-name { font-size: 14px; white-space: nowrap; }

.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav a { position: relative; color: rgba(247, 243, 236, .78); font-size: 14px; transition: color .2s ease; }
.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 1px;
  background: var(--amber);
  transition: right .3s var(--ease);
}
.site-nav a:hover, .site-nav a[aria-current="true"] { color: var(--pearl); }
.site-nav a:hover::after, .site-nav a[aria-current="true"]::after { right: 0; }
.site-nav .nav-cta { padding: 10px 17px; border: 1px solid rgba(246, 174, 60, .55); border-radius: 999px; color: var(--pearl); }
.site-nav .nav-cta:hover { color: var(--ink); background: var(--amber); }

.menu-toggle { display: none; border: 0; background: none; cursor: pointer; }

.scroll-progress { position: fixed; z-index: 120; top: 0; left: 0; right: 0; height: 2px; pointer-events: none; }
.scroll-progress span { display: block; height: 100%; width: 100%; background: var(--amber); transform: scaleX(0); transform-origin: left; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 26px;
  color: var(--amber-bright);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }

.hero {
  min-height: max(760px, 100svh);
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at 75% 48%, rgba(107, 69, 190, .14), transparent 30%),
    linear-gradient(120deg, #0b0718 0%, #100923 58%, #0b0718 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .22;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: linear-gradient(to right, #000, transparent 78%);
  mask-image: linear-gradient(to right, #000, transparent 78%);
}

.ambient { position: absolute; border-radius: 50%; filter: blur(6px); opacity: .6; pointer-events: none; }
.ambient-one { width: 560px; height: 560px; right: -220px; top: -260px; background: radial-gradient(circle, rgba(118,83,207,.26), transparent 66%); }
.ambient-two { width: 460px; height: 460px; left: 35%; bottom: -380px; background: radial-gradient(circle, rgba(246,174,60,.13), transparent 67%); }

.hero-content { position: relative; z-index: 2; padding-top: 72px; }
.hero-content .eyebrow { color: rgba(247, 243, 236, .65); }

.display-title {
  margin: 0;
  max-width: 920px;
  font-size: clamp(68px, 8.4vw, 132px);
  font-weight: 750;
  line-height: .92;
  letter-spacing: -.065em;
}
.title-line { display: block; width: fit-content; }
.title-line + .title-line { margin-top: .13em; }
.title-accent { position: relative; color: var(--amber-bright); }
.accent-mark {
  position: absolute;
  right: -56px;
  top: .08em;
  width: 28px;
  height: 28px;
  border: 2px solid var(--amber-bright);
  border-radius: 50%;
}
.accent-mark::before, .accent-mark::after { content: ""; position: absolute; background: var(--amber-bright); }
.accent-mark::before { width: 44px; height: 2px; left: -10px; top: 11px; }
.accent-mark::after { width: 2px; height: 44px; left: 11px; top: -10px; }

.hero-copy { max-width: 580px; margin: 38px 0 0; color: var(--pearl-dim); font-size: 18px; }
.hero-actions { display: flex; align-items: center; gap: 34px; margin-top: 38px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  min-width: 202px;
  padding: 15px 20px 15px 23px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  transition: transform .25s var(--ease), background .25s ease, box-shadow .25s ease;
}
.button i { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; font-style: normal; transition: transform .25s var(--ease); }
.button-primary { color: var(--ink); background: var(--amber); }
.button-primary i { color: var(--pearl); background: var(--ink); }
.button:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(246,174,60,.2); }
.button:hover i { transform: rotate(-8deg) scale(1.06); }

.text-link, .back-top { display: inline-flex; align-items: center; gap: 12px; color: var(--pearl-dim); font-size: 14px; }
.text-link span, .back-top span { color: var(--amber); transition: transform .25s var(--ease); }
.text-link:hover span { transform: translateX(5px); }
.back-top:hover span { transform: translateY(-4px); }

.hero-visual {
  position: absolute;
  z-index: 1;
  right: -2vw;
  top: 50%;
  width: min(51vw, 720px);
  aspect-ratio: 1;
  transform: translateY(-48%);
  pointer-events: none;
}
.orbit { position: absolute; inset: 50%; border: 1px solid rgba(247,243,236,.13); border-radius: 50%; transform: translate(-50%, -50%); }
.orbit::before { content: ""; position: absolute; top: 50%; left: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 20px var(--amber); }
.orbit-a { width: 92%; height: 92%; animation: orbit-spin 18s linear infinite; }
.orbit-b { width: 66%; height: 66%; border-style: dashed; animation: orbit-spin 26s linear infinite reverse; }
.orbit-b::before { left: auto; right: -4px; background: var(--pearl); box-shadow: 0 0 16px var(--pearl); }
.orbit-c { width: 38%; height: 38%; animation: orbit-spin 14s linear infinite; }
.orbit-c::before { top: auto; bottom: 9%; left: 15%; }
.signal-core {
  position: absolute;
  inset: 50%;
  width: 18%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(246,174,60,.7);
  transform: translate(-50%, -50%) rotate(45deg);
  box-shadow: 0 0 70px rgba(246,174,60,.18);
}
.signal-core::before, .signal-core::after { content: ""; position: absolute; inset: 18%; border: 1px solid rgba(246,174,60,.35); }
.signal-core::after { inset: -32%; border-color: rgba(118,83,207,.24); }
.signal-core span { width: 13px; height: 13px; border-radius: 50%; background: var(--amber-bright); box-shadow: 0 0 28px var(--amber); }
.signal-dot { position: absolute; width: 4px; height: 4px; border-radius: 50%; background: var(--pearl); opacity: .7; }
.dot-one { left: 14%; top: 27%; }.dot-two { right: 18%; bottom: 22%; }.dot-three { right: 7%; top: 38%; }
@keyframes orbit-spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

.scroll-cue {
  position: absolute;
  z-index: 3;
  right: 48px;
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(247,243,236,.58);
  font-size: 11px;
  letter-spacing: .14em;
  writing-mode: vertical-rl;
}
.scroll-cue i { position: relative; width: 1px; height: 54px; overflow: hidden; background: rgba(247,243,236,.18); }
.scroll-cue i::after { content: ""; position: absolute; inset: 0; background: var(--amber); transform: translateY(-100%); animation: scroll-line 2s ease-in-out infinite; }
@keyframes scroll-line { 0% { transform: translateY(-100%); } 45%,55% { transform: translateY(0); } 100% { transform: translateY(100%); } }

.section-number { position: absolute; top: 80px; right: 3vw; color: rgba(247,243,236,.025); font-size: 260px; font-weight: 800; line-height: 1; letter-spacing: -.08em; }

.focus { display: flex; align-items: center; padding: 130px 0; background: var(--pearl); color: var(--ink); }
.focus-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 8vw; align-items: center; }
.section-intro { position: relative; z-index: 1; }
.section-intro .eyebrow, .scenes-top .eyebrow { color: #8b5f13; }
.section-intro h2, .scenes-top h2 {
  margin: 0;
  font-size: clamp(48px, 5.5vw, 80px);
  line-height: 1.08;
  letter-spacing: -.055em;
}
.section-intro > p:last-child, .scenes-top > p:last-child { max-width: 470px; margin: 34px 0 0; color: #5d5864; font-size: 17px; }

.focus-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.focus-card {
  position: relative;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  border: 1px solid rgba(11,7,24,.1);
  background: rgba(255,255,255,.28);
  transition: transform .35s var(--ease), background .3s ease, border-color .3s ease;
}
.focus-card-main { grid-row: span 2; min-height: 616px; color: var(--pearl); background: var(--ink-soft); }
.focus-card:hover { transform: translateY(-6px); background: #fff; border-color: rgba(11,7,24,.18); }
.focus-card-main:hover { background: var(--ink-raised); border-color: rgba(246,174,60,.4); }
.card-index { position: absolute; top: 25px; left: 28px; color: #706a78; font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.focus-card-main .card-index { color: var(--amber-bright); }
.focus-card h3 { margin: 0 0 10px; font-size: 27px; line-height: 1.15; letter-spacing: -.03em; }
.focus-card p { margin: 0 0 25px; color: #69636f; font-size: 14px; }
.focus-card-main p { color: var(--pearl-dim); }
.card-tag { width: fit-content; padding-top: 12px; border-top: 1px solid currentColor; color: #635d6a; font-size: 11px; letter-spacing: .12em; }
.focus-card-main .card-tag { color: var(--amber-bright); }

.card-symbol { position: absolute; top: 58px; right: 28px; width: 92px; height: 92px; }
.symbol-structure { top: 22%; right: 15%; width: 190px; height: 190px; }
.symbol-structure span { position: absolute; inset: 0; border: 1px solid rgba(246,174,60,.5); transform: rotate(45deg); }
.symbol-structure span:nth-child(2) { inset: 18%; border-color: rgba(247,243,236,.28); }
.symbol-structure span:nth-child(3) { inset: 36%; background: var(--amber); border: 0; box-shadow: 0 0 55px rgba(246,174,60,.28); }
.symbol-experience span { position: absolute; inset: 7px 20px 28px 2px; border: 1px solid rgba(11,7,24,.34); border-radius: 50%; }
.symbol-experience span:last-child { inset: 26px 0 8px 28px; border-color: var(--amber); }
.symbol-technology { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; padding: 14px; transform: rotate(45deg); }
.symbol-technology span { border: 1px solid rgba(11,7,24,.34); }
.symbol-technology span:last-child { background: var(--amber); border-color: var(--amber); }

.method { display: flex; align-items: center; padding: 130px 0; background: #100a22; }
.method::after { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; background: var(--line); }
.method-backdrop { position: absolute; left: -2vw; bottom: -11vw; color: rgba(247,243,236,.018); font-size: 34vw; font-weight: 800; line-height: .9; letter-spacing: -.12em; }
.method-layout { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; }
.method-heading { align-self: start; position: sticky; top: 145px; padding-right: 4vw; }
.method-heading h2 { margin: 0; font-size: clamp(52px, 6.5vw, 94px); line-height: 1; letter-spacing: -.065em; }
.method-heading h2 em { color: var(--amber-bright); font-style: normal; }
.method-heading > p:last-child { max-width: 430px; margin: 34px 0 0; color: var(--pearl-dim); }
.method-list { margin: 0; padding: 0; list-style: none; }
.method-item { min-height: 176px; display: grid; grid-template-columns: 52px 1fr auto; gap: 28px; align-items: center; border-bottom: 1px solid var(--line); }
.method-item:first-child { border-top: 1px solid var(--line); }
.method-index { align-self: start; margin-top: 49px; color: var(--amber-bright); font-size: 11px; letter-spacing: .12em; }
.method-item h3 { margin: 0 0 8px; font-size: 26px; letter-spacing: -.03em; }
.method-item p { max-width: 380px; margin: 0; color: #aaa2b5; font-size: 14px; }
.method-arrow { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(247,243,236,.18); border-radius: 50%; color: var(--amber); transition: transform .3s var(--ease), background .3s ease; }
.method-item:hover .method-arrow { transform: rotate(45deg); color: var(--ink); background: var(--amber); }

.scenes { display: flex; align-items: center; padding: 120px 0; color: var(--ink); background: #eee9e1; }
.scenes-shell { display: grid; grid-template-columns: .65fr 1.35fr; gap: 7vw; align-items: end; }
.scenes-top { padding-bottom: 20px; }
.scene-stage { min-width: 0; }
.scene-tabs { display: flex; border-bottom: 1px solid rgba(11,7,24,.14); }
.scene-tabs button { position: relative; flex: 1; padding: 18px 14px; border: 0; background: transparent; color: #5f5966; cursor: pointer; font-size: 14px; }
.scene-tabs button::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -1px; height: 2px; background: var(--amber); transition: right .4s var(--ease); }
.scene-tabs button[aria-selected="true"] { color: var(--ink); font-weight: 700; }
.scene-tabs button[aria-selected="true"]::after { right: 0; }
.scene-panels { position: relative; min-height: 510px; }
.scene-panel { min-height: 510px; display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; background: var(--ink-soft); color: var(--pearl); }
.scene-panel[hidden] { display: none; }
.scene-copy { display: flex; flex-direction: column; justify-content: flex-end; padding: 48px; }
.scene-kicker { margin-bottom: auto; color: var(--amber-bright); font-size: 11px; letter-spacing: .14em; }
.scene-copy h3 { margin: 0 0 20px; font-size: clamp(30px, 3.1vw, 46px); line-height: 1.08; letter-spacing: -.045em; }
.scene-copy p { margin: 0; color: var(--pearl-dim); font-size: 14px; }
.scene-art { position: relative; overflow: hidden; background: #24183e; }
.scene-art-brand { display: grid; place-items: center; background: radial-gradient(circle at 50% 50%, #3c2969, #1d1334 65%); }
.art-word { position: relative; z-index: 2; display: grid; place-items: center; width: 180px; height: 180px; border: 1px solid rgba(246,174,60,.72); color: var(--amber-bright); font-size: 110px; font-weight: 800; line-height: 1; transform: rotate(45deg); }
.art-word b { font-weight: 800; transform: rotate(-45deg); }
.scene-art-brand i { position: absolute; inset: 50%; border: 1px solid rgba(247,243,236,.12); transform: translate(-50%, -50%) rotate(45deg); }
.scene-art-brand i:nth-of-type(1) { width: 280px; height: 280px; }
.scene-art-brand i:nth-of-type(2) { width: 390px; height: 390px; }
.scene-art-brand i:nth-of-type(3) { width: 500px; height: 500px; }
.scene-art-product { display: grid; place-items: center; background: linear-gradient(145deg, #1c1232, #38245f); }
.product-window { position: relative; width: 75%; aspect-ratio: 4/5; padding: 50px 26px 24px; border: 1px solid rgba(247,243,236,.24); border-radius: 16px; background: rgba(247,243,236,.07); box-shadow: 0 30px 70px rgba(0,0,0,.26); }
.product-window::before { content: ""; position: absolute; top: 18px; left: 20px; width: 7px; height: 7px; border-radius: 50%; background: var(--amber); box-shadow: 16px 0 rgba(247,243,236,.22), 32px 0 rgba(247,243,236,.22); }
.product-window span { display: block; width: 100%; height: 14px; margin-bottom: 18px; border-radius: 7px; background: rgba(247,243,236,.16); }
.product-window span:nth-child(2) { width: 68%; }
.product-window span:nth-child(3) { width: 84%; }
.product-window b { position: absolute; left: 26px; right: 26px; bottom: 26px; height: 54px; border-radius: 27px; background: var(--amber); }
.scene-art-content { display: flex; flex-direction: column; justify-content: center; gap: 20px; padding: 60px; }
.scene-art-content::before { content: ""; position: absolute; width: 210px; height: 210px; top: -70px; right: -70px; border-radius: 50%; background: rgba(246,174,60,.17); filter: blur(2px); }
.scene-art-content span { position: relative; display: block; height: 12px; border-radius: 6px; background: rgba(247,243,236,.18); }
.scene-art-content span:nth-child(1) { width: 35%; height: 5px; background: var(--amber); }
.scene-art-content span:nth-child(2) { width: 92%; height: 28px; }
.scene-art-content span:nth-child(3) { width: 76%; height: 28px; }
.scene-art-content span:nth-child(4) { width: 100%; }
.scene-art-content span:nth-child(5) { width: 63%; }

.principles { display: flex; align-items: center; padding: 130px 0; background: var(--ink); }
.principle-glow { position: absolute; width: 600px; height: 600px; left: 50%; top: -460px; transform: translateX(-50%); border-radius: 50%; background: rgba(118,83,207,.24); filter: blur(80px); }
.principles-heading { display: flex; align-items: end; justify-content: space-between; gap: 80px; margin-bottom: 90px; }
.principles-heading .eyebrow { flex: 0 0 auto; margin-bottom: 13px; }
.principles-heading h2 { max-width: 940px; margin: 0; font-size: clamp(50px, 6.3vw, 90px); line-height: 1; letter-spacing: -.06em; }
.principles-heading h2 span { color: var(--amber-bright); }
.principle-lines { border-top: 1px solid var(--line); }
.principle { display: grid; grid-template-columns: 80px 1fr 1fr; gap: 34px; align-items: center; min-height: 150px; border-bottom: 1px solid var(--line); }
.principle > span { color: var(--amber); font-size: 12px; }
.principle h3 { margin: 0; font-size: 26px; letter-spacing: -.03em; }
.principle p { max-width: 460px; margin: 0; color: #aaa2b5; font-size: 14px; }

.next { min-height: 88svh; display: flex; align-items: center; background: var(--amber); color: var(--ink); }
.next::before { content: ""; position: absolute; width: 460px; height: 460px; left: -230px; bottom: -220px; border: 1px solid rgba(11,7,24,.18); border-radius: 50%; box-shadow: 0 0 0 90px rgba(11,7,24,.04), 0 0 0 180px rgba(11,7,24,.025); }
.next-lines { position: absolute; inset: 0; opacity: .1; background: repeating-linear-gradient(120deg, transparent 0 72px, #0b0718 73px 74px); }
.next-content { position: relative; z-index: 1; }
.next .eyebrow { color: var(--ink); }
.next-content h2 { margin: 0; font-size: clamp(72px, 9.5vw, 144px); line-height: .86; letter-spacing: -.075em; }
.next-content h2 span { color: var(--pearl); text-shadow: 0 2px 0 rgba(11,7,24,.06); }
.next-content > p:not(.eyebrow):not(.company-name) { max-width: 560px; margin: 42px 0 0; font-size: 18px; }
.next-actions { display: flex; align-items: center; gap: 34px; margin-top: 42px; }
.next .button-primary { color: var(--pearl); background: var(--ink); }
.next .button-primary i { color: var(--ink); background: var(--amber); }
.next .button:hover { box-shadow: 0 12px 40px rgba(11,7,24,.16); }
.button-large { min-width: 230px; }
.next .back-top { color: rgba(11,7,24,.74); }
.next .back-top span { color: var(--ink); }
.company-name { position: absolute; right: 0; bottom: -11vh; margin: 0; color: rgba(11,7,24,.62); font-size: 12px; letter-spacing: .12em; }

.reveal { opacity: 1; transform: none; transition: opacity .8s var(--ease), transform .8s var(--ease); }
.motion-ready .reveal { opacity: 0; transform: translateY(34px); }
.reveal.is-visible { opacity: 1; transform: none; }
.title-line.reveal:nth-child(2) { transition-delay: .11s; }
.hero-copy.reveal { transition-delay: .2s; }
.hero-actions.reveal { transition-delay: .28s; }
.focus-card:nth-child(2) { transition-delay: .08s; }
.focus-card:nth-child(3) { transition-delay: .16s; }

@media (max-width: 1100px) {
  :root { --shell: min(100% - 64px, 1000px); }
  .hero-visual { right: -13vw; width: 64vw; opacity: .75; }
  .focus-layout { grid-template-columns: 1fr; gap: 70px; }
  .section-intro { max-width: 720px; }
  .focus-grid { max-width: 800px; margin-left: auto; }
  .scenes-shell { grid-template-columns: 1fr; }
  .scenes-top { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: end; }
  .scenes-top .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
  .principles-heading { display: block; }
  .principles-heading .eyebrow { margin-bottom: 28px; }
}

@media (max-width: 780px) {
  :root { --shell: calc(100% - 40px); --header-height: 72px; }
  .site-header, .site-header.is-scrolled { height: 68px; padding: 0 20px; }
  .brand-mark { width: 34px; height: 34px; }
  .brand-name { font-size: 13px; }
  .menu-toggle { position: relative; z-index: 102; display: flex; align-items: center; gap: 11px; padding: 10px 0 10px 10px; }
  .menu-label { font-size: 12px; }
  .menu-lines { position: relative; width: 25px; height: 14px; }
  .menu-lines i { position: absolute; right: 0; width: 25px; height: 1px; background: var(--pearl); transition: top .3s ease, transform .3s ease; }
  .menu-lines i:first-child { top: 2px; }
  .menu-lines i:last-child { top: 11px; width: 17px; }
  .menu-toggle[aria-expanded="true"] .menu-lines i:first-child { top: 7px; transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-lines i:last-child { top: 7px; width: 25px; transform: rotate(-45deg); }
  .site-nav {
    position: fixed;
    z-index: 101;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    padding: 84px 32px 40px;
    background: rgba(11,7,24,.97);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity .3s ease, transform .3s var(--ease), visibility .3s;
  }
  .site-nav.is-open { visibility: visible; opacity: 1; transform: none; }
  .site-nav a { width: 100%; padding: 15px 0; color: var(--pearl); font-size: clamp(28px, 9vw, 42px); font-weight: 700; letter-spacing: -.04em; }
  .site-nav a:not(.nav-cta)::after { display: none; }
  .site-nav .nav-cta { width: auto; margin-top: 20px; padding: 11px 20px; font-size: 15px; font-weight: 500; letter-spacing: 0; }

  .cinematic { min-height: auto; }
  .hero { min-height: 760px; }
  .hero-content { padding-top: 32px; }
  .hero-content .eyebrow { max-width: 270px; margin-bottom: 24px; line-height: 1.5; }
  .display-title { max-width: 620px; font-size: clamp(58px, 16vw, 98px); }
  .title-line + .title-line { margin-top: .18em; }
  .accent-mark { right: -31px; width: 18px; height: 18px; }
  .accent-mark::before { width: 28px; top: 7px; left: -6px; }
  .accent-mark::after { height: 28px; left: 7px; top: -6px; }
  .hero-copy { max-width: 500px; margin-top: 30px; font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; margin-top: 30px; }
  .hero-visual { top: 42%; right: -52vw; width: 110vw; opacity: .46; }
  .scroll-cue { display: none; }

  .focus, .method, .scenes, .principles { padding: 94px 0; }
  .section-number { top: 24px; right: -3vw; font-size: 160px; }
  .section-intro h2, .scenes-top h2 { font-size: clamp(43px, 12vw, 66px); }
  .section-intro > p:last-child, .scenes-top > p:last-child { margin-top: 25px; font-size: 15px; }
  .focus-layout { gap: 48px; }
  .focus-grid { display: block; }
  .focus-card, .focus-card-main { min-height: 360px; margin-top: 14px; }
  .focus-card:first-child { margin-top: 0; }
  .focus-card-main { min-height: 480px; }
  .symbol-structure { top: 22%; right: 16%; width: 150px; height: 150px; }

  .method::after { display: none; }
  .method-layout { grid-template-columns: 1fr; gap: 58px; }
  .method-heading { position: static; padding: 0; }
  .method-heading h2 { font-size: clamp(47px, 13vw, 72px); }
  .method-item { min-height: 155px; grid-template-columns: 38px 1fr auto; gap: 14px; }
  .method-index { margin-top: 41px; }
  .method-item h3 { font-size: 23px; }
  .method-item p { font-size: 13px; line-height: 1.6; }
  .method-arrow { width: 32px; height: 32px; }

  .scenes-top { display: block; }
  .scenes-top .eyebrow { margin-bottom: 26px; }
  .scene-stage { margin-top: 44px; }
  .scene-tabs button { padding: 15px 5px; font-size: 13px; }
  .scene-panels, .scene-panel { min-height: 660px; }
  .scene-panel { grid-template-columns: 1fr; grid-template-rows: .9fr 1.1fr; }
  .scene-copy { padding: 32px 26px; }
  .scene-kicker { margin-bottom: 36px; }
  .scene-copy h3 { font-size: 32px; }
  .art-word { width: 130px; height: 130px; font-size: 80px; }
  .scene-art-brand i:nth-of-type(1) { width: 210px; height: 210px; }
  .scene-art-brand i:nth-of-type(2) { width: 300px; height: 300px; }
  .scene-art-brand i:nth-of-type(3) { width: 390px; height: 390px; }
  .product-window { width: 54%; aspect-ratio: 1.15/1; }

  .principles-heading { margin-bottom: 55px; }
  .principles-heading h2 { font-size: clamp(45px, 12vw, 68px); }
  .principle { grid-template-columns: 30px 1fr; gap: 14px; padding: 30px 0; }
  .principle p { grid-column: 2; }

  .next { min-height: 760px; padding: 110px 0 140px; }
  .next-content h2 { font-size: clamp(64px, 18vw, 102px); }
  .next-content > p:not(.eyebrow):not(.company-name) { margin-top: 32px; font-size: 16px; }
  .next-actions { align-items: flex-start; flex-direction: column; gap: 24px; margin-top: 34px; }
  .company-name { left: 0; right: auto; bottom: -100px; max-width: 240px; line-height: 1.6; }
}

@media (max-width: 420px) {
  .brand-name { display: none; }
  .hero { min-height: 720px; }
  .display-title { font-size: 55px; }
  .focus-card { padding: 24px; }
  .symbol-structure { right: 12%; }
  .method-item { grid-template-columns: 28px 1fr; }
  .method-arrow { display: none; }
  .method-index { margin-top: 40px; }
  .scene-tabs button { font-size: 12px; }
  .scene-copy { padding: 28px 22px; }
  .product-window { width: 70%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}