@font-face { font-family:"DM Sans"; src:url("fonts/dm-sans-latin.woff2") format("woff2"); font-style:normal; font-weight:400 700; font-display:swap; }
@font-face { font-family:"Instrument Serif"; src:url("fonts/instrument-serif-italic-latin.woff2") format("woff2"); font-style:italic; font-weight:400; font-display:swap; }
:root {
  --accent:#5d4bff; --ink:#1e1d23; --body:#5e5d67; --muted:#74727e;
  --line:#dedaf5; --paper:#fdfdfd; --surface:#f5f5f7;
  --sans:"DM Sans",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --serif:"Instrument Serif",Georgia,"Songti SC",serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --gutter:clamp(20px,4.5vw,80px);
}
* { box-sizing:border-box; }
[hidden] { display:none!important; }
html { scroll-behavior:smooth; scroll-padding-top:112px; }
body { margin:0; background:var(--paper); color:var(--ink); font:400 16px/1.65 var(--sans); -webkit-font-smoothing:antialiased; }
::selection { color:#fff; background:var(--accent); }
a { color:var(--accent); text-decoration:none; text-underline-offset:5px; }
a:hover { text-decoration:underline; }
button,input { font:inherit; color:inherit; }
button { cursor:pointer; }
button:disabled { cursor:default; }
:focus-visible { outline:2px solid var(--accent); outline-offset:5px; }
img,video { display:block; max-width:100%; height:auto; }
video { width:100%; background:#11131a; }
figure,h1,h2,h3,h4,p { margin:0; }
figure { min-width:0; }
p+p { margin-top:18px; }
h2 { font-size:clamp(40px,4.8vw,68px); font-weight:500; line-height:1.04; letter-spacing:-.045em; margin-bottom:28px; }
h2 em { color:var(--accent); font:italic 400 1.15em/1 var(--serif); letter-spacing:-.015em; }
h3 { font-size:24px; font-weight:500; line-height:1.25; letter-spacing:-.035em; }
figcaption { color:var(--body); font-size:13px; line-height:1.7; padding-top:16px; }
.wrap { width:min(1400px,calc(100% - var(--gutter)*2)); margin-inline:auto; }
.visually-hidden { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip-path:inset(50%); white-space:nowrap; }
.skip-link { position:fixed; top:100px; left:24px; z-index:100; padding:12px 20px; color:#fff; background:var(--accent); transform:translateY(-300px); }
.skip-link:focus { transform:none; }

/* A floating white masthead, on the same grid as the reference. */
.site-header { position:fixed; z-index:30; inset:16px 16px auto; height:68px; background:#f8f8fa; border:1px solid var(--line); }
.nav-wrap { display:flex; align-items:center; width:100%; height:100%; gap:28px; padding-left:22px; }
.brand { display:flex; align-items:center; gap:12px; align-self:stretch; padding-right:28px; border-right:1px solid var(--line); color:var(--accent); font-size:25px; font-weight:500; letter-spacing:-.055em; line-height:1; white-space:nowrap; }
.brand:hover { text-decoration:none; }
.brand-subtitle { display:block; margin-top:5px; color:var(--muted); font:10px/1 var(--mono); text-transform:uppercase; letter-spacing:.04em; }
.brand-symbol { position:relative; width:20px; height:20px; flex-shrink:0; border:2px solid var(--accent); transform:rotate(-12deg); }
.brand-symbol::after { content:""; position:absolute; width:9px; height:9px; right:-5px; bottom:-5px; background:var(--accent); border:2px solid #f8f8fa; }
.desktop-nav { display:flex; align-items:center; gap:24px; margin-right:auto; }
.desktop-nav a { position:relative; color:var(--body); font:11px/1.2 var(--mono); text-transform:uppercase; padding-block:24px; }
.desktop-nav a:hover,.desktop-nav a.active { color:var(--accent); text-decoration:none; }
.desktop-nav a.active::after { content:""; position:absolute; bottom:15px; left:0; right:0; height:1px; background:currentColor; }
.nav-actions { display:flex; align-items:center; align-self:stretch; gap:20px; margin-left:auto; }
.language-switch { display:flex; align-items:center; gap:6px; font:11px var(--mono); }
.language-switch button { border:0; background:none; padding:10px 3px; color:var(--muted); }
.language-switch button[aria-pressed=true] { color:var(--accent); }
.language-switch>span { color:#c5c2d5; }
.nav-dataset { align-self:stretch; display:flex; align-items:center; padding:0 26px; color:#fff; background:var(--accent); font:11px var(--mono); text-transform:uppercase; }
.nav-dataset:hover { background:#4935ed; text-decoration:none; }
.menu-toggle { display:none; }
.mobile-nav { position:absolute; inset:67px -1px auto; padding:24px; background:#f8f8fa; border:1px solid var(--line); }

/* The film is project footage. Type is anchored at the bottom, over the film. */
.video-hero { position:relative; isolation:isolate; display:grid; grid-template-columns:minmax(0,1fr); overflow:hidden; background:#111116; }
.video-hero::before { content:""; grid-area:1 / 1; width:100%; aspect-ratio:16 / 9; align-self:start; pointer-events:none; }
.hero-film,.hero-shade { position:absolute; inset:0; width:100%; height:100%; z-index:-2; }
.hero-film { object-fit:cover; opacity:.84; }
.hero-shade { z-index:-1; background:linear-gradient(180deg,rgba(8,8,15,.1) 12%,rgba(8,8,15,.23) 36%,rgba(8,8,15,.82) 75%,#0e0e13 100%); }
.hero-copy { grid-area:1 / 1; align-self:end; padding-block:160px 58px; color:#fff; animation:hero-enter .7s ease-out both; }
.hero-eyebrow { margin-bottom:28px; font:11px/1.5 var(--mono); text-transform:uppercase; letter-spacing:.025em; color:#e8e5ff; }
.video-hero h1 { font-size:clamp(76px,7.8vw,116px); line-height:.94; letter-spacing:-.07em; font-weight:500; }
.video-hero h1 span { display:block; margin-top:6px; color:#9d8dff; font:italic 400 1.22em/.95 var(--serif); letter-spacing:-.025em; }
.hero-subtitle { max-width:730px; margin-top:24px; font-size:22px; font-weight:500; line-height:1.4; letter-spacing:-.025em; color:#f4f2fc; text-wrap:balance; }
.project-links { display:flex; align-items:center; flex-wrap:wrap; gap:12px; margin-top:28px; }
.button { display:inline-flex; align-items:center; justify-content:center; min-height:48px; padding:14px 22px; border:1px solid var(--accent); font:11px/1.4 var(--mono); text-transform:uppercase; transition:background .2s,color .2s; }
.button:hover { text-decoration:none; }
.button-primary { color:#fff; background:var(--accent); }
.button-primary:hover { background:#7666ff; }
.button-secondary { color:var(--accent); background:#fff; }
.button-secondary:hover { background:#eae6ff; }
.resource-pending { margin-left:12px; padding-left:20px; border-left:1px solid #56515e; color:#e1dfea; font:11px/1.5 var(--mono); }
.resource-pending small { display:block; margin-top:3px; color:#aba6b8; font:10px/1.4 var(--sans); }
.hero-film-toggle { position:absolute; right:var(--gutter); bottom:58px; width:44px; height:44px; padding:0; color:#fff; background:transparent; border:1px solid #817a94; font-size:15px; }
.hero-film-toggle:hover { border-color:#c6bcff; }
.video-hero :focus-visible { outline-color:#c6bcff; }
@keyframes hero-enter { from { opacity:0; transform:translateY(18px); } to { opacity:1; transform:none; } }

.contributors { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:12px; padding-block:32px 40px; }
.contributors>span { grid-column:1 / -1; color:var(--muted); font:10px/1.5 var(--mono); letter-spacing:.02em; text-transform:uppercase; padding-bottom:4px; }
.contributors a { min-height:84px; display:flex; align-items:center; justify-content:center; padding:20px; background:var(--surface); }
.contributors a:hover { background:#eceaf7; }
.contributors img { width:auto; height:auto; max-width:180px; max-height:38px; object-fit:contain; }
.contributors img[alt=GSI] { width:36px; height:36px; }
.contributors img[alt="NOKOV Motion Capture"] { width:165px; }
.research-article { width:auto; max-width:none; margin:0 24px; }
.paper-section { width:min(1280px,calc(100% - 80px)); margin-inline:auto; padding-block:96px; }
.section-kicker { margin-bottom:22px; color:var(--accent); font:11px/1.5 var(--mono); text-transform:uppercase; letter-spacing:.02em; }
.prose { max-width:800px; color:var(--body); font-size:17px; line-height:1.8; }
#overview { position:relative; width:100%; padding:84px 64px 0; background:var(--surface); text-align:center; }
#overview::before,#overview::after { content:""; position:absolute; top:24px; width:16px; height:16px; border-top:1px solid #c9c0ff; }
#overview::before { left:24px; border-left:1px solid #c9c0ff; }
#overview::after { right:24px; border-right:1px solid #c9c0ff; }
#overview .section-kicker { margin-bottom:34px; }
#overview h2 { font-size:clamp(52px,5.3vw,80px); margin-bottom:26px; }
#overview h2>span,#overview h2>em { display:block; }
#overview h2 em { margin-top:5px; }
.overview-copy { max-width:850px; margin-inline:auto; font-size:17px; line-height:1.65; }
.overview-copy p+p { margin-top:16px; }
.overview-facts { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); margin-top:64px; border-top:1px solid var(--line); text-align:left; }
.overview-facts p { margin:0; padding:28px 24px 34px; }
.overview-facts p+p { border-left:1px solid var(--line); }
.overview-facts strong { display:block; color:var(--accent); font-size:clamp(42px,4.8vw,70px); font-weight:400; line-height:1; letter-spacing:-.065em; font-variant-numeric:tabular-nums; white-space:nowrap; }
.overview-facts span { display:block; margin-top:13px; color:var(--body); font:10px/1.5 var(--mono); text-transform:uppercase; letter-spacing:.02em; }

/* Open figures separated by fine rules, with imagery given the largest share. */
.modality-gallery { display:grid; grid-template-columns:repeat(12,minmax(0,1fr)); margin-top:40px; margin-inline:-20px; border-top:1px solid var(--line); }
.modality-gallery figure { grid-column:span 4; padding:20px 20px 28px; border-bottom:1px solid var(--line); border-left:1px solid var(--line); }
.modality-gallery figure:first-child,.modality-gallery figure:nth-child(4) { border-left:0; }
.modality-gallery figure:nth-child(n+4) { grid-column:span 3; }
.modality-gallery .product-image,.modality-film,.modality-photo,.object-scan { width:100%; height:auto; aspect-ratio:4 / 3; object-fit:contain; background:var(--surface); }
.modality-gallery .product-image { padding:22px; }
.modality-film:not(.body-film),.modality-photo { object-fit:cover; }
.modality-gallery .modality-object { object-fit:contain; }
.modality-gallery .body-film { background:#0e1c25; }
.modality-gallery figcaption { padding-top:20px; }
.modality-source { display:block; margin-bottom:9px; color:var(--muted); font:10px/1.4 var(--mono); text-transform:uppercase; letter-spacing:.02em; }
.modality-gallery h3 { margin-bottom:9px; color:var(--accent); font-size:22px; }
.modality-gallery p { color:var(--body); font-size:14px; line-height:1.65; }
#processing { border-top:1px solid var(--line); }
.capture-location { display:grid; grid-template-columns:1.4fr 1fr; align-items:center; gap:64px; margin-top:48px; }
.capture-location img { width:100%; }
.capture-location figcaption { padding:0; }
.capture-location h3 { font:italic 400 43px/1.1 var(--serif); color:var(--accent); margin-bottom:18px; letter-spacing:-.015em; }
.capture-location p { font-size:16px; line-height:1.8; }
.capture-workflow { margin-top:54px; overflow-x:auto; overscroll-behavior-x:contain; scrollbar-width:thin; border-block:1px solid var(--line); }
.pipeline-diagram { display:block; width:100%; min-width:860px; height:auto; font-family:var(--sans); }
.pipeline-stage { fill:var(--accent); font:16px var(--mono); }
.pipeline-node-title { fill:var(--ink); font-size:22px; font-weight:500; letter-spacing:-.02em; text-anchor:middle; }
.pipeline-note { fill:var(--body); font-size:14px; }
.pipeline-label { fill:var(--ink); font-size:14px; }
.pipeline-links { color:#998ced; stroke:currentColor; stroke-width:1.3; }
.pipeline-diagram marker path { stroke:var(--accent); }
.pipeline-junctions { fill:var(--accent); }
.pipeline-link-label { fill:var(--accent); font-size:13px; }
.pipeline-halo { fill:#f1eefc; }
.hand-surface { fill:var(--hand-fill,url(#pipeline-hand-surface)); stroke:var(--hand-outline,#a798df); stroke-width:1.1; }
.hand-mesh { fill:none; stroke:var(--hand-lines,#a99bde); stroke-width:.8; opacity:.65; }
.hand-bones { fill:none; stroke:var(--hand-lines,#7060bd); stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; }
.hand-joints { fill:var(--hand-lines,#6d59cf); stroke:#ede8ff; stroke-width:1; }
.hand-reference { --hand-fill:#c9e7e4; --hand-outline:#7bbcb6; --hand-lines:#68aaa4; opacity:.55; }
.pipeline-correspondence { fill:none; stroke:#9e93c5; stroke-width:1; stroke-dasharray:3 4; }
.pipeline-rotation { fill:none; stroke:#8d7dc4; stroke-width:1.2; }
.pipeline-grid { fill:none; stroke:#c9c2e1; stroke-width:.8; opacity:.7; }
.pipeline-timing { fill:var(--accent); font:18px var(--mono); }
.pipeline-time-axis { fill:none; stroke:#c8c0ed; stroke-width:1.5; }
.pipeline-time-pairs { fill:none; stroke:#a99bde; stroke-width:1; stroke-dasharray:3 4; }
.pipeline-mocap-samples { fill:#8d7dc4; }
.pipeline-filmstrip path { stroke:#a99bde; stroke-width:1; stroke-dasharray:2 3; }
.pipeline-wrist-ring { fill:none; stroke:#5fa69e; stroke-width:3; }
.pipeline-axes path { fill:none; stroke:var(--accent); stroke-width:1.5; }
.pipeline-axes circle { fill:var(--accent); }

.sequence-comparison { margin-top:60px; }
.sequence-comparison>h3 { font-size:30px; margin-bottom:24px; }
.sequence-tabs { display:flex; gap:28px; overflow-x:auto; scrollbar-width:thin; border-bottom:1px solid var(--line); margin-bottom:24px; }
.sequence-tabs button { flex:0 0 auto; white-space:nowrap; border:0; border-bottom:1px solid transparent; padding:12px 0 14px; background:none; color:var(--body); font-size:13px; }
.sequence-tabs button[aria-selected=true] { color:var(--accent); border-color:var(--accent); }
.sequence-scroll { overflow-x:auto; scrollbar-width:thin; overscroll-behavior-x:contain; }
.sequence-table { width:100%; min-width:780px; table-layout:fixed; border-collapse:separate; border-spacing:4px; font-size:12px; line-height:1.5; }
.sequence-table th { font-weight:400; }
.sequence-table th:first-child { width:114px; text-align:left; padding-right:12px; }
.sequence-table thead th { color:var(--accent); padding-bottom:12px; font:10px/1.5 var(--mono); }
.sequence-table thead th:first-child { color:var(--muted); }
.sequence-table td { padding:0; vertical-align:middle; }
.sequence-table tbody th { border-left:1px solid var(--line); padding-left:12px; background:var(--paper); }
.sequence-table tbody th strong { display:block; font-size:13px; font-weight:500; }
.sequence-table tbody th span { display:block; color:var(--muted); font-size:10px; line-height:1.6; margin-top:5px; }
.sequence-table img { width:100%; }
.sequence-pose img { aspect-ratio:4 / 3; object-fit:contain; }
.sample-caveat { color:var(--muted); font-size:11px; line-height:1.8; margin-top:14px; max-width:900px; }
.robot-training { margin-top:60px; }
.robot-training>h3 { font-size:30px; margin-bottom:24px; }
.robot-training-videos { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:6px; }
.g1-film { display:block; width:100%; aspect-ratio:1484 / 360; object-fit:contain; background:#11131a; }

#dataset { border-top:1px solid var(--line); }
.dataset-link { display:inline-flex; padding:12px 18px; border:1px solid var(--accent); color:var(--accent); font:11px/1.5 var(--mono); text-transform:uppercase; }
.dataset-link:hover { color:#fff; background:var(--accent); text-decoration:none; }
#dataset>.prose { margin-top:24px; }
.protocol-heading { display:flex; align-items:baseline; justify-content:space-between; gap:24px; margin:54px 0 22px; }
.protocol-heading h3 { font-size:30px; }
.protocol-heading>p { font:11px/1.5 var(--mono); color:var(--muted); }
.protocol-heading strong { color:var(--accent); font-weight:500; }
.protocol-heading>p>span { margin-inline:12px; color:#c7c0e6; }
.family-navigation { display:grid; grid-template-columns:24px minmax(0,1fr) 24px; align-items:center; gap:16px; border-block:1px solid var(--line); }
.family-list { display:flex; gap:26px; min-width:0; overflow-x:auto; scrollbar-width:none; overscroll-behavior-x:contain; scroll-snap-type:x proximity; padding-block:12px; cursor:grab; user-select:none; }
.family-list::-webkit-scrollbar { display:none; }
.family-list[data-dragging] { cursor:grabbing; scroll-snap-type:none; }
.family-list button { flex:0 0 auto; white-space:nowrap; scroll-snap-align:start; border:0; border-bottom:1px solid transparent; padding:6px 0; background:none; color:var(--body); font-size:13px; }
.family-list button[aria-pressed=true] { color:var(--accent); border-color:var(--accent); }
.family-scroll { align-self:stretch; border:0; padding:0; background:none; color:var(--accent); font-size:20px; line-height:1; }
.family-scroll:disabled { opacity:.2; }
.activity-cloud-scroll { --cloud-width:min(1400px,calc(100vw - var(--gutter)*2)); width:var(--cloud-width); margin:20px calc((100% - var(--cloud-width))/2) 0; overflow-x:auto; overscroll-behavior-x:contain; scrollbar-width:thin; background:var(--surface); }
.activity-cloud,.activity-cloud[data-scope=family] { position:relative; width:100%; min-width:0; height:clamp(320px,calc(100svh - 220px),560px); margin:18px auto; overflow:hidden; }
.cloud-word { position:absolute; line-height:1.08; white-space:nowrap; transform:translate(-50%,-50%); letter-spacing:0; }
.cloud-word[data-direction=turned] { transform:translate(-50%,-50%) rotate(-90deg); }
.cloud-word[data-direction=vertical] { writing-mode:vertical-rl; text-orientation:upright; letter-spacing:0; }
.subsection { margin-top:64px; }
.subsection>h3 { font-size:30px; }
.action-examples { margin-top:64px; }
.action-examples>h3 { font-size:30px; margin-bottom:24px; }
.example-tabs { display:flex; gap:24px; overflow-x:auto; scrollbar-width:thin; border-bottom:1px solid var(--line); }
.example-tabs button { flex:0 0 auto; padding:12px 0; border:0; border-bottom:2px solid transparent; background:none; color:var(--body); font-size:13px; white-space:nowrap; }
.example-tabs button[aria-selected=true] { border-color:var(--accent); color:var(--accent); }
.example-videos { margin-top:24px; }
.example-stack { display:grid; grid-template-columns:minmax(0,1fr); gap:4px; padding:4px; background:#000; }
.example-stack video { display:block; width:100%; aspect-ratio:25 / 9; object-fit:contain; }
.example-controls { display:flex; align-items:center; gap:14px; padding:8px 14px; background:#1e1d23; }
.example-controls button { width:32px; height:32px; padding:0; border:0; color:#fff; background:none; font-size:15px; cursor:pointer; }
.example-controls input { flex:1; min-width:0; accent-color:#a79cff; cursor:pointer; }
.distribution { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:64px; margin-top:28px; }
.distribution figure { margin:0; min-width:0; padding-top:18px; border-top:1px solid var(--line); }
.distribution-heading { display:flex; align-items:baseline; justify-content:space-between; gap:16px; min-height:48px; padding:0; color:var(--ink); font-size:16px; line-height:1.4; }
.distribution-hours { flex-shrink:0; color:var(--muted); font:11px var(--mono); }
.distribution-label { display:flex; align-items:center; gap:8px; }
.distribution-lock { display:inline-flex; padding:4px; border:0; background:none; color:var(--accent); }
.distribution-lock svg { width:14px; height:14px; fill:none; stroke:currentColor; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }
.distribution-pie { display:block; width:100%; max-width:340px; height:auto; margin:0 auto 24px; overflow:visible; }
.distribution-slice { cursor:pointer; stroke:var(--paper); stroke-width:1; stroke-linejoin:round; transition:opacity .18s,filter .18s; outline:none; }
.distribution-family .distribution-slice { stroke-width:2; }
.distribution-family:has([aria-pressed=true]) .distribution-slice[aria-pressed=false] { opacity:.55; }
.distribution-slice[aria-pressed=true],.distribution-slice.is-active { filter:brightness(.85); }
.distribution-slice:focus-visible { stroke:var(--ink); stroke-width:3; }
.distribution-legend { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px 22px; }
.distribution-key { display:flex; align-items:center; gap:9px; width:100%; min-height:30px; padding:3px 0; border:0; background:none; color:var(--body); font:400 12px/1.5 var(--sans); text-align:left; }
.distribution-key[aria-pressed=true] { color:var(--accent); }
.distribution-key[aria-pressed=true] .distribution-key-name { text-decoration:underline; text-underline-offset:4px; }
.distribution-swatch { width:7px; height:7px; flex-shrink:0; }
.distribution-share { margin-left:auto; flex-shrink:0; color:var(--muted); font:10px var(--mono); }
.distribution-readout { max-width:440px; min-height:74px; margin:auto; text-align:center; }
.distribution-readout p { margin:0; }
.distribution-action { color:var(--ink); font-size:14px; line-height:1.6; }
.distribution-readout .distribution-action-value { margin-top:8px; color:var(--accent); font:11px/1.5 var(--mono); }
.distribution-viewer { position:relative; margin-top:64px; padding-top:30px; border-top:1px solid var(--line); }
.viewer-anchor { position:absolute; top:0; }
.viewer-heading { display:flex; align-items:center; justify-content:space-between; gap:24px; margin-bottom:26px; }
.viewer-heading .section-kicker { margin-bottom:14px; }
.viewer-heading h3 { font-size:30px; }
.viewer-stage { position:relative; width:100%; height:720px; background:#141c18; }
.rerun-frame { display:block; width:100%; height:100%; border:0; }
.viewer-message { padding:28px; color:#fff; font-size:14px; }

.footer { display:grid; grid-template-columns:1fr auto; gap:40px; width:calc(100% - 48px); max-width:none; margin:0 24px 24px; padding:48px 40px 28px; color:#e7e3ff; background:var(--accent); font:11px/1.5 var(--mono); }
.footer-project { grid-column:1 / -1; color:#fff; font:500 clamp(34px,5.5vw,88px)/1.1 var(--sans); letter-spacing:-.055em; }
.footer-project em { font:italic 400 1.15em/1 var(--serif); letter-spacing:-.02em; }
.footer a:hover { text-decoration:none; }
.footer>a:last-child { color:#fff; align-self:end; }
dialog { border:1px solid var(--line); background:var(--paper); padding:24px; width:min(960px,calc(100% - 32px)); max-height:92vh; }
dialog::backdrop { background:#141026ce; }
.dialog-header { display:flex; align-items:center; justify-content:space-between; gap:20px; margin-bottom:18px; }
.dialog-header h2 { font-size:24px; margin:0; }
.icon-button { border:0; padding:0 6px; background:none; color:var(--accent); font-size:30px; line-height:1; }
.asset-dialog-image { max-height:75vh; width:100%; object-fit:contain; }
.media-button { position:relative; display:block; width:100%; border:0; padding:0; background:none; }
.media-play { position:absolute; bottom:12px; left:12px; padding:4px 9px; color:#fff; background:#161226cc; font-size:11px; }

@media(max-width:1100px) {
  .nav-wrap { gap:20px; padding-left:18px; }
  .desktop-nav { gap:16px; }
  .brand { padding-right:20px; font-size:23px; }
  .nav-actions { gap:14px; }
  .nav-dataset { padding-inline:20px; }
  .desktop-nav a { font-size:10px; }
  .capture-location { gap:40px; }
  .distribution { gap:40px; }
}
@media(max-width:900px) {
  .desktop-nav { display:none; }
  .menu-toggle { display:flex; flex-direction:column; gap:6px; border:0; padding:14px; background:none; }
  .menu-toggle span { width:22px; height:1px; background:var(--accent); }
  .mobile-nav { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; font:12px var(--mono); text-transform:uppercase; }
  .mobile-nav a { padding:8px 0; }
  .paper-section { width:calc(100% - 48px); padding-block:72px; }
  #overview { width:100%; padding:68px 32px 0; }
  .overview-facts p { padding-inline:18px; }
  .contributors img { max-width:140px; max-height:32px; }
  .modality-gallery { grid-template-columns:repeat(2,minmax(0,1fr)); margin-inline:0; }
  .modality-gallery figure,.modality-gallery figure:nth-child(n+4) { grid-column:auto; padding:18px; }
  .modality-gallery figure:nth-child(odd) { border-left:0; }
  .modality-gallery figure:nth-child(even) { border-left:1px solid var(--line); }
  .modality-gallery figure:last-child { grid-column:1 / -1; display:grid; grid-template-columns:1fr 1fr; gap:28px; align-items:center; }
  .modality-gallery figure:last-child figcaption { padding-top:0; }
  .modality-gallery h3 { font-size:23px; }
  .sequence-table tbody th { position:sticky; left:0; z-index:2; box-shadow:4px 0 var(--paper); }
  .distribution-legend { grid-template-columns:1fr; }
  .viewer-stage { height:600px; }
}
@media(max-width:600px) {
  :root { --gutter:20px; }
  html { scroll-padding-top:96px; }
  .site-header { inset:8px 8px auto; height:64px; }
  .nav-wrap { padding-left:14px; gap:12px; }
  .brand { font-size:22px; gap:10px; padding-right:18px; }
  .brand-symbol { width:17px; height:17px; }
  .brand-subtitle { font-size:9px; }
  .nav-actions { gap:8px; padding-right:8px; }
  .nav-dataset { display:none; }
  .language-switch { gap:3px; font-size:10px; }
  .menu-toggle { padding:12px 8px; }
  .mobile-nav { top:63px; padding:20px; grid-template-columns:repeat(2,minmax(0,1fr)); }
  .hero-copy { padding-block:150px 48px; }
  .hero-eyebrow { font-size:9px; margin-bottom:26px; letter-spacing:0; }
  .video-hero h1 { font-size:clamp(47px,14vw,76px); }
  .video-hero h1 span { font-size:1.24em; margin-top:5px; }
  .hero-subtitle { font-size:17px; line-height:1.5; margin-top:24px; max-width:350px; }
  .project-links { display:grid; grid-template-columns:auto auto; justify-content:start; gap:20px 8px; margin-top:24px; }
  .button { padding:12px 14px; min-height:44px; font-size:9px; }
  .resource-pending { margin-left:0; padding-left:0; border:0; font-size:10px; }
  .resource-pending small { font-size:9px; }
  .hero-film-toggle { right:20px; bottom:48px; width:36px; height:36px; }
  .contributors { grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px; padding-block:24px 28px; }
  .contributors>span { font-size:9px; padding-bottom:8px; }
  .contributors a { min-height:76px; padding:18px; }
  .contributors img { max-width:130px; max-height:30px; }
  .contributors img[alt=GSI] { width:30px; height:30px; }
  .contributors img[alt="NOKOV Motion Capture"] { width:125px; }
  .research-article { margin-inline:12px; }
  .paper-section { width:calc(100% - 16px); padding-block:60px; }
  h2 { font-size:42px; margin-bottom:24px; }
  .section-kicker { font-size:9px; margin-bottom:20px; }
  #overview { width:100%; padding:56px 20px 0; }
  #overview::before { left:16px; }
  #overview::after { right:16px; }
  #overview .section-kicker { margin-bottom:28px; }
  #overview h2 { font-size:clamp(33px,8.7vw,48px); }
  .overview-copy { font-size:14px; line-height:1.8; text-align:left; }
  .overview-facts { grid-template-columns:repeat(2,minmax(0,1fr)); margin-top:36px; }
  .overview-facts p { padding:22px 12px 24px; }
  .overview-facts p:nth-child(3) { border-left:0; }
  .overview-facts p:nth-child(n+3) { border-top:1px solid var(--line); }
  .overview-facts strong { font-size:48px; }
  .overview-facts span { font-size:8px; margin-top:10px; }
  .prose { font-size:15px; line-height:1.8; }
  .modality-gallery { margin-top:30px; }
  .modality-gallery figure,.modality-gallery figure:nth-child(n+4) { padding:12px 10px 22px; }
  .modality-gallery figure:nth-child(odd) { padding-left:0; }
  .modality-gallery figure:nth-child(even) { padding-right:0; }
  .modality-gallery .product-image { padding:12px; }
  .modality-gallery figcaption { padding-top:15px; }
  .modality-gallery h3 { font-size:18px; line-height:1.2; }
  .modality-gallery p { font-size:12px; line-height:1.7; }
  .modality-source { font-size:8px; margin-bottom:8px; }
  .modality-gallery figure:last-child { gap:18px; padding-right:0; }
  .capture-location { grid-template-columns:1fr; gap:24px; margin-top:32px; }
  .capture-location h3 { font-size:36px; }
  .capture-location p { font-size:14px; }
  .capture-workflow { margin-top:34px; }
  .sequence-comparison>h3,.protocol-heading h3,.subsection>h3,.viewer-heading h3 { font-size:26px; }
  .sequence-tabs { gap:22px; }
  .sequence-tabs button { font-size:12px; }
  .sequence-table { min-width:720px; }
  .sequence-table th:first-child { width:98px; }
  .robot-training { margin-top:34px; }
  .robot-training>h3 { font-size:26px; }
  .robot-training-videos { grid-template-columns:1fr; gap:6px; }
  .protocol-heading { display:block; margin-top:38px; }
  .protocol-heading>p { margin-top:12px; font-size:10px; }
  .family-navigation { gap:10px; }
  .family-list { gap:22px; }
  .family-list button { font-size:12px; }
  .subsection { margin-top:44px; }
  .distribution { grid-template-columns:1fr; gap:28px; }
  .distribution-pie { max-width:300px; }
  .distribution-legend { grid-template-columns:repeat(2,minmax(0,1fr)); gap:6px 16px; }
  .distribution-key { font-size:10px; gap:7px; }
  .distribution-share { font-size:9px; }
  .distribution-readout { min-height:60px; }
  .distribution-heading { font-size:14px; }
  .distribution-viewer { margin-top:44px; }
  .viewer-stage { height:560px; }
  .sample-caveat { font-size:10px; }
  .footer { width:calc(100% - 24px); margin:0 12px 12px; padding:32px 20px 24px; gap:28px; font-size:9px; }
  .footer-project { font-size:clamp(27px,7.5vw,42px); }
  .footer-project em { display:block; font-size:1.4em; margin-top:4px; }
}
html[lang=zh-CN] h2 em { font-family:var(--sans); font-style:normal; font-weight:400; font-size:1em; letter-spacing:-.035em; }
html[lang=zh-CN] #overview h2 { line-height:1.25; }
html[lang=zh-CN] .capture-location h3 { font:400 32px/1.4 var(--sans); }
@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { animation:none!important; transition:none!important; }
}