:root {
  color-scheme: dark;
  --bg: #05070a;
  --surface: #0b0f14;
  --surface-strong: #10161d;
  --text: #f3f6fa;
  --muted: #a8b2be;
  --line: #28313b;
  --accent: #4a8ee8;
  --accent-ink: #07101a;
  --radius: 12px;
  --header-h: 72px;
  --content: min(1400px, calc(100vw - 64px));
  --ease: cubic-bezier(.16, 1, .3, 1);
  font-family: "Segoe UI Variable Display", "Segoe UI", "Microsoft YaHei UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--text); }
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 6px;
  color: var(--accent-ink);
  background: var(--accent);
  transform: translateY(-160%);
  transition: transform .2s var(--ease);
}
.skip-link:not(:focus) { visibility: hidden; }
.skip-link:focus { transform: translateY(0); visibility: visible; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: var(--header-h);
  padding: 0 32px;
  border-bottom: 1px solid transparent;
  background: transparent;
  backdrop-filter: none;
  transition: background .35s var(--ease), border-color .35s var(--ease);
}
.site-header.is-compact { backdrop-filter: blur(14px) saturate(120%); border-color: rgb(255 255 255 / .1); background: rgb(5 7 10 / .88); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-size: 18px; font-weight: 700; letter-spacing: -.03em; text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.site-nav, .nav-links, .system-entries { display: flex; align-items: center; }
.site-nav { gap: 24px; font-size: 14px; }
.nav-links { gap: 24px; }
.system-entries { gap: 8px; }
.system-entry-label { margin-right: 2px; color: rgb(243 246 250 / .54); font-size: 11px; font-weight: 650; letter-spacing: .08em; white-space: nowrap; }
.site-nav a { color: rgb(243 246 250 / .76); text-decoration: none; transition: color .2s var(--ease); }
.site-nav a:hover { color: var(--text); }
.site-nav .system-entry { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 0 13px; border: 1px solid rgb(243 246 250 / .32); border-radius: 6px; color: var(--text); font-size: 13px; font-weight: 680; white-space: nowrap; transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease); }
.site-nav .system-entry:hover { border-color: rgb(243 246 250 / .62); background: rgb(5 7 10 / .48); transform: translateY(-1px); }
.site-nav .system-entry:active { transform: translateY(1px) scale(.99); }
.site-nav .system-entry-primary { border-color: var(--accent); color: var(--accent-ink); background: var(--accent); }
.site-nav .system-entry-primary:hover { border-color: #6ba3eb; color: var(--accent-ink); background: #6ba3eb; }
.site-nav .system-entry.is-disabled { border-color: rgb(243 246 250 / .18); color: rgb(243 246 250 / .48); background: transparent; cursor: default; transform: none; }
.menu-button { display: none; border: 0; color: var(--text); background: transparent; font: inherit; }

.section-shell { width: var(--content); margin-inline: auto; }
.eyebrow { margin: 0; color: #b9c7d8; font-size: 11px; font-weight: 650; letter-spacing: .15em; }

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 100dvh;
  overflow: hidden;
  isolation: isolate;
}
.hero-media, .hero-scrim, .route-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-media { --hero-y-start: 12%; --hero-y-end: 11.1%; top: -5%; bottom: auto; z-index: -5; height: 110%; object-fit: cover; object-position: 60% center; transform: scale(1.025) translate3d(0, var(--hero-y-start), 0); transform-origin: 62% 0; will-change: transform; mask-image:linear-gradient(to bottom,transparent 0%,#000 18%); }
.hero-scrim { z-index: -3; background: linear-gradient(90deg, rgb(5 7 10 / .92) 0%, rgb(5 7 10 / .52) 48%, rgb(5 7 10 / .1) 78%), linear-gradient(0deg, rgb(5 7 10 / .62), transparent 45%); }
.route-canvas { z-index: -2; pointer-events: none; opacity: .68; }
.signal-field { position: absolute; z-index: -1; top: 17%; right: 3%; width: min(49vw, 820px); aspect-ratio: 1; pointer-events: none; opacity: .58; }
.signal-ring { position: absolute; border: 1px solid rgb(126 190 247 / .42); border-bottom-color: transparent; border-left-color: rgb(126 190 247 / .08); border-radius: 50%; transform: rotate(var(--tilt)) scaleY(var(--scale-y)); will-change: transform, opacity; }
.signal-ring-one { --tilt: 18deg; --scale-y: .58; inset: 8%; }
.signal-ring-two { --tilt: -34deg; --scale-y: .76; inset: 18%; border-color: rgb(185 220 250 / .34); border-right-color: transparent; }
.signal-ring-three { --tilt: 64deg; --scale-y: .48; inset: 29%; border-color: rgb(74 142 232 / .46); border-top-color: transparent; }
.hero-content { width: min(720px, calc(100vw - 64px)); margin-left: max(32px, calc((100vw - min(1400px, calc(100vw - 64px))) / 2)); padding-top: var(--header-h); }
.hero h1 { max-width: 700px; margin: 20px 0 22px; font-size: clamp(54px, 7.1vw, 112px); font-weight: 560; line-height: .94; letter-spacing: -.075em; text-wrap: balance; }
.hero-copy { max-width: 520px; margin: 0; color: #c6d0db; font-size: clamp(16px, 1.45vw, 21px); line-height: 1.5; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border: 1px solid transparent; border-radius: 6px; font-size: 14px; font-weight: 680; line-height: 1; text-decoration: none; white-space: nowrap; transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease); }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(1px) scale(.99); }
.button-primary { color: var(--accent-ink); background: var(--accent); }
.button-primary:hover { background: #6ba3eb; }
.button-ghost { border-color: rgb(243 246 250 / .36); color: var(--text); background: rgb(5 7 10 / .28); }
.button-ghost:hover { border-color: rgb(243 246 250 / .62); background: rgb(5 7 10 / .52); }

.collection-area { background: var(--bg); color: var(--text); }
.collection-shell { width:90%; margin-inline: auto; }
.manifesto { display:flex; justify-content:space-between; align-items:center; gap:32px; padding-block:64px 56px; }
.manifesto p { margin:0 0 12px; color:var(--muted); font-size:14px; }
.vision-wordmark { margin:0; font-size:clamp(40px,4.5vw,64px); font-weight:900; font-style:italic; line-height:1.15; letter-spacing:-.06em; }
.collection-nav { display:flex; gap:36px; }
.collection-nav a { min-height:44px; display:flex; align-items:center; color:var(--text); text-decoration:none; font-size:15px; border-bottom:1px solid transparent; }
.collection-nav a:hover { border-color:var(--accent); }
.product-collection { padding-block:56px 72px; border-top:1px solid var(--line); scroll-margin-top:72px; }
.collection-heading { margin-bottom:32px; }
.collection-heading h2 { margin:0; font-size:clamp(32px,3.5vw,52px); line-height:1.2; font-weight:600; letter-spacing:-.035em; }
.collection-heading p { margin:14px 0 0; color:var(--muted); font-size:17px; }
.collection-lead { display:grid; grid-template-columns:1fr 1fr; gap:24px; align-items:start; margin-bottom:40px; }
.product-card, .product-film { margin:0; min-width:0; }
.product-image { display:block; width:100%; padding:0; border:0; border-radius:6px; overflow:hidden; background:#10151c; cursor:zoom-in; }
.product-image img { display:block; width:100%; height:auto; aspect-ratio:1; object-fit:cover; transition:transform .6s var(--ease); }
.product-image:hover img { transform:scale(1.025); }
.product-card figcaption { padding-top:16px; }
.product-card h3, .product-film h3 { margin:0; font-size:18px; font-weight:600; line-height:1.4; }
.product-card figcaption p, .product-film p { margin:6px 0 0; color:var(--muted); font-size:14px; line-height:1.6; }
.collection-lead .product-image img { aspect-ratio:4/3; object-fit:cover; }
.film-frame { position:relative; overflow:hidden; border-radius:6px; background:#10151c; aspect-ratio:4/3; }
.film-frame video { display:block; width:100%; height:100%; object-fit:cover; }
.film-toggle { position:absolute; bottom:18px; right:18px; min-height:44px; padding:0 16px; color:var(--text); background:rgb(5 7 10 / .8); border:1px solid rgb(255 255 255 / .3); border-radius:24px; cursor:pointer; font:inherit; font-size:13px; }
.product-film figcaption { display:flex; justify-content:space-between; gap:16px; align-items:center; padding-top:16px; }
.film-open { min-height:44px; padding:0; color:var(--text); background:none; border:0; font:inherit; font-size:14px; cursor:pointer; }
.film-open:hover { color:#8bb8f1; }
.product-grid { display:grid; grid-template-columns:repeat(var(--columns),minmax(0,1fr)); gap:24px; }
#jewelry .product-feature { order:2; }
#jewelry .film-frame video { object-fit:cover; }
.closing { display:flex; align-items:center; justify-content:space-between; gap:24px; padding-block:32px 48px; border-top:1px solid var(--line); }
.closing p { margin:0; color:var(--muted); font-size:15px; }
.closing a { display:inline-flex; align-items:center; min-height:44px; color:var(--text); font-size:14px; text-decoration:none; }
.media-dialog { width:min(1160px,calc(100vw - 48px)); max-height:calc(100dvh - 40px); padding:24px; border:1px solid #303944; border-radius:12px; color:var(--text); background:#0b0f14; }
.media-dialog::backdrop { background:rgb(0 0 0 / .88); backdrop-filter:blur(12px); }
.media-toolbar { display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
.media-toolbar > span { font-weight:700; }
.media-dialog button { min-width:44px; min-height:44px; padding:8px 14px; color:var(--text); background:#1b222c; border:1px solid #39434f; border-radius:6px; font:inherit; cursor:pointer; }
.media-stage { display:flex; align-items:center; justify-content:center; min-height:200px; }
.media-stage img, .media-stage video { display:block; max-width:100%; max-height:65dvh; object-fit:contain; }
.media-caption { display:flex; align-items:center; justify-content:space-between; gap:24px; margin-top:20px; }
.media-caption h2 { margin:0; font-size:22px; }
.media-caption p { margin:8px 0 0; color:var(--muted); font-size:14px; }
.media-controls { display:flex; gap:16px; align-items:center; }
.media-count { min-width:48px; text-align:center; color:var(--muted); font-size:13px; }
body.media-opened { overflow:hidden; }

/* Highlight reels: one focal product, adjacent cards provide context. */
.product-collection { overflow:hidden; border-top:0; padding-block:56px; }
.product-collection .collection-heading { margin-bottom:32px; }
.highlight-track { --card-width:clamp(440px,56vw,1100px); display:flex; gap:24px; overflow-x:auto; scrollbar-width:none; scroll-snap-type:x mandatory; overscroll-behavior-x:contain; padding:8px max(20px,5vw) 16px; padding-right:max(20px,calc((100% - var(--card-width))/2)); scroll-padding-inline:0; }
.highlight-track::-webkit-scrollbar { display:none; }
.highlight-track.is-dragging { scroll-snap-type:none; cursor:grabbing; user-select:none; }
.highlight-track.is-dragging .product-image { cursor:grabbing; }
.highlight-controls > button:active, .film-toggle:active { transform:scale(.94); }
.highlight-controls > button { transition:transform .18s var(--ease),background .18s; }
.highlight-card { position:relative; flex:0 0 var(--card-width); display:flex; flex-direction:column; min-width:0; overflow:hidden; background:transparent; scroll-snap-align:center; }
.highlight-copy { order:2; padding:18px 4px 0; color:var(--text); }
.highlight-copy h3 { margin:0; font-size:clamp(20px,1.65vw,24px); font-weight:650; line-height:1.25; letter-spacing:-.04em; }
.highlight-copy p { margin:8px 0 0; color:#dde4ed; font-size:14px; line-height:1.6; }
.highlight-hint { display:none; }
.highlight-copy .source-link { display:inline-flex; align-items:center; min-height:44px; margin-top:4px; color:#d2e5ff; font-size:13px; pointer-events:auto; text-decoration:none; }
.highlight-dots { max-width:50vw; overflow-x:auto; scrollbar-width:none; }
.highlight-dots button { flex-shrink:0; }
.highlight-card .product-image { border-radius:24px; height:calc(var(--card-width) * 2 / 3); }
.highlight-card .product-image img { height:100%; aspect-ratio:auto; object-fit:cover; }
.highlight-card .film-frame { width:100%; height:calc(var(--card-width) * 2 / 3); aspect-ratio:auto; border-radius:24px; }
.highlight-copy .film-open { margin-top:8px; color:#c9e0ff; text-align:left; pointer-events:auto; }
.highlight-controls { display:flex; align-items:center; justify-content:center; gap:12px; margin-top:12px; }
.highlight-controls > button { height:48px; min-width:48px; padding:0 14px; border:0; border-radius:24px; color:var(--text); background:#20262e; font:inherit; cursor:pointer; }
.highlight-controls > button:hover { background:#343e4b; }
.highlight-dots { display:flex; align-items:center; padding:2px 10px; border-radius:28px; background:#20262e; }
.highlight-dots button { display:grid; place-items:center; width:32px; height:44px; padding:0; border:0; background:none; cursor:pointer; }
.highlight-dots span { width:7px; height:7px; border-radius:8px; background:#7c8693; transition:width .3s,background .3s; }
.highlight-dots [aria-current] { width:48px; }
.highlight-dots [aria-current] span { width:32px; background:#e6ecf3; }
.highlight-status { margin:14px 0 0; text-align:center; color:var(--muted); font-size:13px; }
@media (hover:hover) and (prefers-reduced-motion:no-preference) {
  .highlight-card .product-image:hover img { transform:scale(1.055); }
  .highlight-card:has(.product-image:hover) .highlight-hint { color:#8bb8f1; }
}
@media(max-width:760px) {
  .highlight-track { --card-width:84vw; gap:16px; }
  .highlight-card { height:auto; }
  .highlight-copy { padding:14px 2px 0; }
  .highlight-copy h3 { font-size:21px; }
  .highlight-copy p { margin-top:6px; font-size:13px; }
  .highlight-hint { margin-top:14px; }
  .highlight-card .product-image, .highlight-card .film-frame { height:calc(var(--card-width) * 3 / 4); min-height:0; border-radius:20px; }
  .highlight-controls { gap:6px; }
  .highlight-controls > button { min-width:40px; padding-inline:10px; font-size:13px; }
  .highlight-dots { padding-inline:4px; }
  .highlight-dots button { width:24px; }
  .highlight-dots [aria-current] { width:36px; }
  .highlight-dots [aria-current] span { width:24px; }
}

.site-footer { display: grid; grid-template-columns: 1fr auto auto; gap: 32px; align-items: center; padding-block: 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.footer-brand { font-size: 16px; }
.footer-brand img { width: 30px; height: 30px; }
.site-footer p { margin: 0; }

[data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: no-preference) {
  .hero-media { animation: heroDrift 15s var(--ease) infinite alternate; }
  .signal-ring-one { animation: signalOrbit 13s linear infinite; }
  .signal-ring-two { animation: signalOrbitReverse 17s linear infinite; }
  .signal-ring-three { animation: signalOrbit 11s linear infinite; }
  .hero-content > * { opacity: 0; animation: heroReveal .86s var(--ease) forwards; }
  .hero-content > :nth-child(2) { animation-delay: .1s; }
  .hero-content > :nth-child(3) { animation-delay: .2s; }
  .hero-content > :nth-child(4) { animation-delay: .3s; }
}

@keyframes heroDrift {
  from { transform: scale(1.025) translate3d(0, var(--hero-y-start), 0); }
  to { transform: scale(1.07) translate3d(-1.4%, var(--hero-y-end), 0); }
}

@keyframes signalOrbit {
  to { transform: rotate(calc(var(--tilt) + 360deg)) scaleY(var(--scale-y)); }
}

@keyframes signalOrbitReverse {
  to { transform: rotate(calc(var(--tilt) - 360deg)) scaleY(var(--scale-y)); }
}

@keyframes heroReveal {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1040px) {
  :root { --content: min(100% - 40px, 760px); }
  .site-header { height: 64px; padding-inline: 20px; }
  .menu-button { display: block; min-height: 44px; padding: 0 6px; }
  .site-nav { position: fixed; inset: 64px 0 auto; display: grid; gap: 0; padding: 18px 20px 26px; border-bottom: 1px solid var(--line); background: rgb(5 7 10 / .97); transform: translateY(-130%); transition: transform .35s var(--ease); }
  .site-nav.is-open { transform: translateY(0); }
  .nav-links { display: grid; }
  .nav-links a { padding: 14px 0; font-size: 17px; }
  .system-entries { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }
  .system-entry-label { grid-column: 1 / -1; margin: 2px 0 0; }
  .site-nav .system-entry { min-height: 48px; justify-content: space-between; padding-inline: 14px; font-size: 14px; }
  .hero-content { width: var(--content); margin-inline: auto; padding-top: 52px; }
  .hero-media { --hero-y-start: 9.5%; --hero-y-end: 8.6%; object-position: 70% center; }
  .signal-field { top: 19%; right: -12%; width: min(76vw, 660px); }
  .hero-scrim { background: linear-gradient(90deg, rgb(5 7 10 / .9), rgb(5 7 10 / .3)), linear-gradient(0deg, rgb(5 7 10 / .72), transparent 58%); }
  .hero h1 { font-size: clamp(48px, 13vw, 82px); }
  .site-footer { grid-template-columns: 1fr auto; }
  .site-footer > p:nth-child(2) { display: none; }
}

@media (max-width: 560px) {
  :root { --content: calc(100% - 32px); }
  .brand span { font-size: 16px; }
  .hero { min-height: 100dvh; align-items: end; }
  .hero-media { object-position: 68% center; }
  .signal-field { top: 20%; right: -38%; width: 108vw; opacity: .42; }
  .hero-content { padding: 0 0 max(42px, env(safe-area-inset-bottom)); }
  .eyebrow { font-size: 10px; letter-spacing: .12em; }
  .hero h1 { margin-block: 16px 18px; font-size: clamp(48px, 15vw, 68px); letter-spacing: -.065em; }
  .hero-copy { max-width: 24em; font-size: 16px; }
  .hero-actions { margin-top: 26px; }
  .hero-actions .button { flex: 1 1 140px; }
  .site-footer { gap: 18px; }
  .copyright { text-align: right; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .route-canvas, .network-section canvas { display: none; }
  .hero-media { transform: scale(1.025) translate3d(0, var(--hero-y-start), 0); }
  .signal-ring { animation: none !important; }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header, .site-nav { backdrop-filter: none; background: #080b0f; }
}

@media (max-width:1040px) {
.collection-shell { width:calc(100% - 48px); }
.product-grid { gap:16px; }
.product-grid[style="--columns:5"] { grid-template-columns:repeat(3,minmax(0,1fr)); }
}
@media (max-width:760px) {
.collection-shell { width:calc(100% - 32px); }
.manifesto { padding-block:40px; gap:20px; align-items:flex-start; }
.collection-nav { gap:20px; }
.product-collection { padding-block:32px 48px; }
.collection-heading { margin-bottom:24px; }
.collection-heading p { font-size:15px; }
.collection-lead { grid-template-columns:1fr; gap:24px; margin-bottom:24px; }
#jewelry .product-feature { order:0; }
.product-grid, .product-grid[style="--columns:5"] { grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px 16px; }
.product-card h3, .product-film h3 { font-size:16px; }
.product-card figcaption p { font-size:13px; }
.media-dialog { width:calc(100vw - 24px); padding:16px; }
.media-caption { align-items:flex-start; flex-direction:column; gap:16px; }
.media-stage img, .media-stage video { max-height:55dvh; }
}
@media (max-width:420px) {
.manifesto { display:block; }
.collection-nav { margin-top:20px; gap:32px; }
.closing { align-items:flex-start; flex-direction:column; gap:8px; }
}

/* Accessible video canvas entry. */
.film-expand { position:absolute; inset:0; width:100%; border:0; background:transparent; color:white; cursor:zoom-in; }
.film-expand span { position:absolute; top:16px; right:16px; display:grid; place-items:center; width:44px; height:44px; border-radius:50%; background:rgb(5 7 10 / .72); font-size:26px; }
.film-toggle { z-index:1; }
.highlight-card .product-image, .highlight-card .film-frame { transition:filter .3s; }
.highlight-card:not(.is-current) .product-image, .highlight-card:not(.is-current) .film-frame { filter:brightness(.88); }
.highlight-card:hover .product-image, .highlight-card:hover .film-frame { filter:brightness(1); }
.highlight-status { position:absolute; width:1px; height:1px; padding:0; overflow:hidden; clip-path:inset(50%); white-space:nowrap; }

/* Wider editorial frames, with room between each collection. */
@media (min-width:1041px) {
  .site-header { padding-inline:clamp(28px,2.5vw,64px); }
  .site-nav { gap:32px; }
}
@media (min-width:761px) {
  .product-collection { padding-block:56px 80px; }
  .product-collection .collection-heading { margin-bottom:36px; }
  .highlight-track { gap:28px; }
  .highlight-copy { padding:20px 6px 0; }
  .highlight-controls { margin-top:24px; }
}

/* Align collection headings with the opening frame, including wide displays. */
.collection-area > .collection-shell, .product-collection > .collection-shell { width:calc(100% - max(40px,10vw)); }
@media (min-width:761px) {
  .collection-heading h2 { font-size:clamp(38px,3.5vw,64px); }
  .highlight-copy h3 { font-size:clamp(23px,1.8vw,30px); }
  .highlight-copy p { font-size:15px; color:var(--muted); }
  .highlight-card .product-image, .highlight-card .film-frame { border-radius:20px; height:min(calc(var(--card-width) * 2 / 3),50svh); }
}