:root {
  --motion-black: #030a13;
  --motion-ink: #06101d;
  --motion-white: #f7f9fb;
  --motion-muted: #a6b6c5;
  --motion-lime: #c7ff35;
  --motion-line: rgba(255,255,255,.16);
  --motion-fast: 360ms;
  --motion-slow: 900ms;
}

body { background:var(--motion-ink); }

.motion-progress {
  position:fixed;
  z-index:90;
  top:0;
  left:0;
  width:100%;
  height:2px;
  background:linear-gradient(90deg,#12b9ef,#ec2580,#f2d600,var(--motion-lime));
  transform:scaleX(0);
  transform-origin:left center;
  pointer-events:none;
}

.site-header {
  background:rgba(3,10,19,.46);
  border-bottom-color:rgba(255,255,255,.1);
  backdrop-filter:blur(14px);
  transition:background var(--motion-fast) ease,box-shadow var(--motion-fast) ease;
}
.site-header.is-scrolled {
  background:rgba(3,10,19,.92);
  box-shadow:0 16px 40px rgba(0,0,0,.18);
}
.site-header .button-small { background:var(--motion-lime); }

.motion-hero {
  min-height:clamp(680px,75svh,820px);
  display:block;
  isolation:isolate;
  overflow:hidden;
  background:var(--motion-black);
}
.motion-hero:before {
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:linear-gradient(90deg,rgba(0,0,0,.52),transparent 58%);
}
.motion-hero-media {
  position:absolute;
  inset:0;
  z-index:0;
  overflow:hidden;
}
.motion-hero-media:after { content:""; position:absolute; inset:0; pointer-events:none; background:linear-gradient(90deg,rgba(3,10,19,.8),rgba(3,10,19,.52) 38%,transparent 62%); }
.motion-hero-media img {
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  filter:saturate(1.05) contrast(1.03);
  transform:translate3d(var(--hero-x,0),var(--hero-y,0),0) scale(1.035);
  transition:transform 1.2s cubic-bezier(.2,.7,.2,1);
}
.motion-hero .hero-copy {
  min-height:clamp(680px,75svh,820px);
  max-width:720px;
  padding:clamp(160px,18vh,210px) 4vw 110px max(58px,calc((100vw - 1430px)/2));
  justify-content:flex-start;
}
.motion-hero .hero-product-label { color:#c7ff72; margin:0 0 24px; font:600 12px/1.5 var(--font-mono); letter-spacing:.08em; }
.motion-hero h1 {
  font-size:clamp(82px,8vw,128px);
  line-height:.79;
  letter-spacing:-.078em;
  text-wrap:balance;
  text-shadow:0 8px 34px rgba(0,0,0,.28);
}
.motion-hero h1 span { display:inline-block; }
.motion-hero h1 em {
  display:inline-block;
  font-size:1.02em;
  line-height:.92;
  letter-spacing:-.07em;
}
.motion-hero .hero-summary {
  max-width:470px;
  margin:34px 0 28px;
  color:rgba(255,255,255,.82);
  font-size:clamp(17px,1.3vw,21px);
  line-height:1.55;
}
.motion-hero .hero-actions { gap:12px; }
.motion-hero .button {
  min-height:52px;
  padding:0 24px;
  background:var(--motion-lime);
  box-shadow:0 16px 40px rgba(0,0,0,.28);
}
.motion-outline-button {
  min-height:52px;
  padding:0 23px;
  border:1px solid rgba(255,255,255,.52);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:20px;
  text-decoration:none;
  font:700 11px var(--font-display);
  letter-spacing:.08em;
  text-transform:uppercase;
  transition:background var(--motion-fast) ease,color var(--motion-fast) ease,transform var(--motion-fast) ease;
}
.motion-outline-button:hover { background:#fff;color:var(--motion-ink);transform:translateY(-2px); }
.motion-hero-note {
  position:absolute;
  z-index:3;
  top:50%;
  right:max(28px,calc((100vw - 1430px)/2));
  padding-left:19px;
  color:rgba(255,255,255,.58);
  font:500 9px/2 var(--font-mono);
  letter-spacing:.22em;
}
.motion-hero-note span { position:absolute;left:0;top:0;width:1px;height:100%;background:var(--motion-lime); }
.motion-scroll {
  position:absolute;
  z-index:3;
  bottom:22px;
  left:50%;
  color:rgba(255,255,255,.66);
  text-decoration:none;
  transform:translateX(-50%);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  font:500 9px var(--font-mono);
  letter-spacing:.2em;
  text-transform:uppercase;
}
.motion-scroll i { width:1px;height:28px;background:linear-gradient(#fff,transparent);animation:motion-scroll 1.8s ease-in-out infinite; }
@keyframes motion-scroll { 50% { transform:scaleY(.45);transform-origin:top;opacity:.45; } }

.motion-hero .hero-copy>* { opacity:0;transform:translateY(28px);animation:motion-intro .9s cubic-bezier(.16,1,.3,1) forwards; }
.motion-hero .hero-copy h1 { animation-delay:.14s; }
.motion-hero .hero-summary { animation-delay:.28s; }
.motion-hero .hero-actions { animation-delay:.4s; }
@keyframes motion-intro { to { opacity:1;transform:none; } }

.motion-rail {
  position:relative;
  z-index:2;
  overflow:hidden;
  min-height:48px;
  padding:0 max(24px,calc((100vw - 1430px)/2));
  display:flex;
  align-items:center;
  color:#fff;
  background:#081522;
  border-top:1px solid var(--motion-line);
  border-bottom:1px solid var(--motion-line);
}
.motion-rail-track {
  width:max-content;
  display:flex;
  align-items:center;
  animation:motion-rail 42s linear infinite;
  will-change:transform;
}
.motion-rail-group {
  flex:none;
  display:flex;
  align-items:center;
  gap:clamp(30px,3.2vw,54px);
  padding-right:clamp(30px,3.2vw,54px);
  white-space:nowrap;
  font:500 9px var(--font-mono);
  letter-spacing:.15em;
  text-transform:uppercase;
}
.motion-rail:hover .motion-rail-track { animation-play-state:paused; }
.motion-rail i { width:4px;height:4px;border-radius:50%;background:var(--motion-lime);box-shadow:0 0 16px rgba(199,255,53,.72); }
@keyframes motion-rail { to { transform:translateX(-50%); } }

.motion-systems {
  color:#fff;
  background:var(--motion-black);
  padding-top:clamp(90px,9vw,142px);
  padding-bottom:clamp(90px,9vw,142px);
}
.motion-systems .section-heading { align-items:end; }
.motion-systems .systems-heading { grid-template-columns:minmax(0,1fr) minmax(250px,340px);gap:clamp(52px,7vw,112px); }
.motion-systems .section-heading h2 {
  max-width:900px;
  font-size:clamp(45px,5vw,76px);
  line-height:.94;
  letter-spacing:-.062em;
}
.motion-systems .section-heading h2 strong { color:var(--motion-lime);font-weight:600; }
.systems-manifesto>p { margin:28px 0 0;font:400 clamp(25px,2.6vw,40px)/1.05 Georgia,serif;letter-spacing:-.045em;color:rgba(255,255,255,.86); }
.systems-manifesto>p em { color:#fff;font-weight:400; }
.motion-systems .section-heading>.systems-route { max-width:340px;margin:0;padding:22px 0 3px 24px;border-left:1px solid rgba(199,255,53,.48);font-size:clamp(14px,1.1vw,17px);line-height:1.75;color:#bac7d2; }
.systems-route span { display:block;margin:0 0 18px;font:500 9px var(--font-mono);letter-spacing:.15em;color:var(--motion-lime); }
.motion-systems .system-grid {
  gap:1px;
  margin-top:74px;
  background:var(--motion-line);
  border:1px solid var(--motion-line);
}
.motion-product-card {
  min-height:530px;
  padding:0;
  display:grid;
  grid-template-rows:auto 255px;
  align-items:stretch;
  background:#07121e;
}
.motion-product-card:after { display:none; }
.motion-product-copy {
  position:relative;
  z-index:2;
  padding:32px;
  display:flex;
  min-height:275px;
  flex-direction:column;
  align-items:flex-start;
}
.motion-product-card .card-kicker { margin:42px 0 11px;color:#a7bacb; }
.motion-product-card h3 { font-size:clamp(46px,4vw,68px); }
.motion-product-card .motion-product-copy>p:not(.card-kicker) { max-width:470px;margin:17px 0 24px;color:#b4c3cf;font-size:13px; }
.motion-product-card .motion-product-copy>a {
  margin-top:auto;
  padding-bottom:7px;
  border-bottom:2px solid var(--motion-lime);
}
.motion-product-media { position:relative;overflow:hidden; }
.motion-product-media:after { content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,18,30,.3),transparent 35%);pointer-events:none; }
.motion-product-media img {
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.9) contrast(1.05);
  transition:transform 1s cubic-bezier(.16,1,.3,1),filter .5s ease;
}
.motion-product-caption { position:absolute;z-index:2;left:18px;right:18px;bottom:16px;display:flex;align-items:end;justify-content:space-between;gap:18px;padding:11px 13px;color:#fff;background:rgba(5,18,30,.72);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(10px); }
.motion-product-caption span { color:#a9bed0;font:500 9px/1.4 var(--font-mono);letter-spacing:.1em; }
.motion-product-caption strong { text-align:right;font:600 10px/1.4 var(--font-display);letter-spacing:.08em; }
.dtf-card .motion-product-media img { object-position:center 58%; }
.dtg-card .motion-product-media img { object-position:center 54%; }
.motion-product-card:hover .motion-product-media img { transform:scale(1.045);filter:saturate(1.08) contrast(1.05); }
.motion-product-card:first-child { border-top:2px solid #1eb6ec; }
.motion-product-card:last-child { border-top:2px solid #e62c83; }

.product-page .site-header { position:sticky;top:0; }
.product-page .detail-hero { isolation:isolate;overflow:hidden; }
.product-page .detail-copy>* { opacity:0;transform:translateY(24px);animation:motion-intro .8s cubic-bezier(.16,1,.3,1) forwards; }
.product-page .detail-copy h1 { animation-delay:.1s; }
.product-page .detail-copy>p:not(.eyebrow) { animation-delay:.22s; }
.product-page .detail-copy .button { animation-delay:.32s; }
.product-page .detail-hero>img { animation:motion-media-in 1.15s cubic-bezier(.16,1,.3,1) both; }
@keyframes motion-media-in { from { opacity:0;transform:scale(1.055); } to { opacity:1;transform:scale(1); } }
.product-page .ink-page-tabs { position:sticky;top:84px;z-index:30;box-shadow:0 12px 30px rgba(4,12,22,.1); }

.motion-reveal {
  opacity:0;
  transform:translateY(46px);
  transition:opacity var(--motion-slow) cubic-bezier(.16,1,.3,1),transform var(--motion-slow) cubic-bezier(.16,1,.3,1);
}
.motion-reveal.is-visible { opacity:1;transform:none; }
.motion-reveal:nth-child(2) { transition-delay:90ms; }
.motion-reveal:nth-child(3) { transition-delay:160ms; }
.motion-reveal:nth-child(4) { transition-delay:230ms; }

@media (max-width:1100px) {
  .motion-hero h1 { font-size:clamp(76px,10vw,108px); }
  .motion-hero-note { display:none; }
  .motion-systems .section-heading h2 em { white-space:normal; }
  .motion-product-card { grid-template-rows:auto 220px; }
}

@media (max-width:820px) {
  .site-header { background:rgba(3,10,19,.88); }
  .motion-hero { min-height:780px; }
  .motion-hero:before { background-size:48px 48px;opacity:.55; }
  .motion-hero-media { top:270px;height:510px; }
  .motion-hero-media img {
    object-position:68% center;
    transform:translate3d(0,var(--hero-y,0),0) scale(1.07);
    mask-image:linear-gradient(180deg,transparent 0,#000 16%,#000 86%,transparent 100%);
  }
  .motion-hero .hero-copy {
    min-height:780px;
    max-width:none;
    padding:138px 20px 430px;
  }
  .motion-hero h1 { font-size:clamp(62px,19vw,78px);line-height:.83; }
  .motion-hero .hero-summary { max-width:330px;margin:26px 0 22px;font-size:16px; }
  .motion-hero .hero-actions { align-items:flex-start;flex-wrap:wrap; }
  .motion-hero .button,.motion-outline-button { min-height:46px;padding:0 16px;font-size:9px; }
  .motion-scroll { display:none; }
  .motion-rail { min-height:42px;padding:0; }
  .motion-rail-track { animation-duration:34s; }
  .motion-rail-group { gap:28px;padding-right:28px; }
  .motion-systems .section-heading h2 { font-size:clamp(45px,13vw,62px); }
  .motion-systems .systems-heading { display:grid;grid-template-columns:1fr;gap:34px; }
  .systems-manifesto>p { margin-top:21px;font-size:clamp(24px,7vw,32px); }
  .motion-systems .section-heading>.systems-route { max-width:100%;padding:17px 0 0 17px; }
  .motion-systems .system-grid { margin-top:44px; }
  .motion-product-card { min-height:510px;grid-template-rows:auto 225px; }
  .motion-product-copy { min-height:285px;padding:25px 22px; }
  .motion-product-card .card-kicker { margin-top:30px; }
  .motion-product-card h3 { font-size:48px; }
  .lang-zh .motion-hero h1 em { font-size:.78em;white-space:nowrap; }
  .product-page .ink-page-tabs { top:72px; }
}

@media (prefers-reduced-motion:reduce) {
  .motion-hero .hero-copy>*,.motion-scroll i,.motion-rail-track { animation:none;opacity:1;transform:none; }
  .motion-rail-group[aria-hidden="true"] { display:none; }
  .motion-hero-media img,.motion-product-media img,.motion-reveal { transition:none;transform:none; }
  .product-page .detail-copy>*,.product-page .detail-hero>img { animation:none;opacity:1;transform:none; }
  .motion-reveal { opacity:1; }
}

@media (max-width:820px) {
  .motion-product-caption { left:12px;right:12px;bottom:12px; }
  .motion-product-caption strong { font-size:9px; }
}
