:root{--ink:#0b1921;--muted:#586972;--paper:#f8faf8;--mist:#e9f0ee;--dark:#071219;--dark2:#0d202a;--cyan:#65e4e1;--blue:#7199ff;--line:#cfdbd8;--shell:1180px;--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Manrope,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}.shell{width:min(calc(100% - 44px),var(--shell));margin-inline:auto}.narrow{max-width:850px}a{color:inherit}.hero{position:relative;min-height:760px;color:#eefafa;overflow:hidden;background:radial-gradient(circle at 77% 46%,rgba(54,157,168,.22),transparent 25%),radial-gradient(circle at 15% 15%,rgba(80,94,190,.17),transparent 28%),linear-gradient(135deg,#071219 0%,#0b1a23 60%,#071218 100%)}.nav{height:80px;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:3;border-bottom:1px solid rgba(255,255,255,.1)}.wordmark{display:inline-flex;gap:11px;align-items:center;font-weight:800;text-decoration:none;letter-spacing:-.02em}.wordmark>span{display:grid;place-items:center;width:29px;height:29px;border:1px solid var(--cyan);border-radius:50%;color:var(--cyan);font-family:"DM Mono",monospace;font-size:.82rem}.nav-links{display:flex;gap:30px}.nav-links a{text-decoration:none;color:#b9c7cb;font-size:.86rem}.nav-links a:hover{color:#fff}.hero-content{position:relative;z-index:2;padding-top:120px}.eyebrow,.kicker{text-transform:uppercase;letter-spacing:.18em;font-family:"DM Mono",monospace;font-size:.72rem;font-weight:500;color:#168e8c}.hero .eyebrow{color:var(--cyan)}h1{font-size:clamp(3.1rem,7vw,6.8rem);line-height:.98;letter-spacing:-.065em;margin:20px 0 24px;max-width:910px}h1 em{font-style:normal;color:transparent;-webkit-text-stroke:1.5px #a5cbc9}.hero-subtitle{font-size:clamp(1.15rem,2.2vw,1.75rem);letter-spacing:-.025em;margin:0;color:#d7e8e8}.hero-lede{max-width:680px;color:#9eb2b7;font-size:1.05rem;margin:28px 0 34px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;gap:18px;border-radius:99px;padding:12px 20px;text-decoration:none;font-weight:700;font-size:.86rem;border:1px solid rgba(255,255,255,.16)}.button.primary{background:var(--cyan);border-color:var(--cyan);color:#062024}.button.muted{color:#84979c}.hero-orbit{position:absolute;right:-110px;top:150px;width:620px;height:620px;opacity:.75}.orbit{position:absolute;inset:10%;border:1px solid rgba(101,228,225,.25);border-radius:50%;transform:rotate(35deg) scaleY(.48)}.orbit-b{inset:18%;transform:rotate(-45deg) scaleY(.54);border-color:rgba(113,153,255,.32)}.orbit-c{inset:27%;transform:rotate(80deg) scaleY(.58)}.core{position:absolute;left:48%;top:47%;width:16px;height:16px;border-radius:50%;background:var(--cyan);box-shadow:0 0 50px 16px rgba(101,228,225,.35)}.section{padding:110px 0}.light{background:var(--paper)}.dark{background:var(--dark);color:#e9f2f1}.mist{background:var(--mist)}.intro{text-align:center}.kicker{margin:0 0 14px}h2{font-size:clamp(2rem,4.4vw,3.75rem);line-height:1.07;letter-spacing:-.05em;margin:0 0 24px}.lead{font-size:1.16rem;color:var(--muted);max-width:800px;margin:0 auto}.wide-figure{margin-top:58px}.wide-figure img,.card-figure img{display:block;width:100%;height:auto}.wide-figure img{border-radius:var(--radius);box-shadow:0 22px 70px rgba(30,57,61,.1)}figcaption{font-size:.78rem;color:var(--muted);margin-top:13px;text-align:center}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-top:68px}.stat-grid article{background:var(--paper);padding:30px}.stat-grid strong{display:block;font-size:2.25rem;letter-spacing:-.055em}.stat-grid span{font-size:.76rem;color:var(--muted)}.section-heading{display:grid;grid-template-columns:1.2fr .8fr;gap:90px;align-items:end;margin-bottom:48px}.section-heading h2{margin-bottom:0}.section-heading>p{color:var(--muted);margin:0}.section-heading.inverse>p{color:#91a7ad}.viewer{border:1px solid #223640;border-radius:20px;background:linear-gradient(180deg,#0d202a,#091820);overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.28)}.viewer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 17px;border-bottom:1px solid #223640;background:rgba(255,255,255,.025)}.scene-picker{display:flex;align-items:center;gap:12px}.scene-picker>span{font-family:"DM Mono",monospace;text-transform:uppercase;color:#789097;font-size:.68rem;letter-spacing:.12em}select,button{font:inherit;color:#dce9e9;background:#132a34;border:1px solid #2b4650;border-radius:8px;padding:7px 10px}select{max-width:410px}button{cursor:pointer;font-size:.78rem}.viewer-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.viewer-actions label{font-size:.73rem;color:#9db0b5}.canvas-wrap{height:590px;position:relative}.canvas-wrap canvas{display:block;width:100%;height:100%;cursor:grab;touch-action:none;background:radial-gradient(circle at 50% 48%,rgba(48,105,118,.2),transparent 45%)}.canvas-wrap canvas:active{cursor:grabbing}.viewer-status{position:absolute;left:20px;top:18px;padding:9px 12px;background:rgba(4,15,20,.6);border:1px solid rgba(255,255,255,.09);border-radius:10px;backdrop-filter:blur(8px);font-size:.78rem}.viewer-status strong,.viewer-status span{display:block}.viewer-status span{color:#819aa0}.viewer-hint{position:absolute;right:20px;bottom:17px;color:#769096;font:400 .7rem "DM Mono",monospace}.mouse-icon{color:var(--cyan)}.timeline{display:grid;grid-template-columns:auto 1fr 62px;gap:14px;align-items:center;padding:13px 18px;border-top:1px solid #223640;color:#8ba1a7;font:400 .69rem "DM Mono",monospace}.timeline input{width:100%;accent-color:var(--cyan)}.legend{display:flex;justify-content:center;gap:26px;color:#789096;font-size:.72rem;margin-top:20px}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:7px}.dot.context{background:#718493}.dot.object{background:var(--cyan)}.line{display:inline-block;width:16px;border-top:2px solid var(--blue);vertical-align:3px;margin-right:7px}.split{display:grid;grid-template-columns:.83fr 1.17fr;gap:80px;align-items:center}.split.reverse{grid-template-columns:1.15fr .85fr}.copy p:not(.kicker){color:var(--muted)}.steps{list-style:none;padding:0;margin:32px 0 0}.steps li{display:grid;grid-template-columns:100px 1fr;padding:17px 0;border-top:1px solid var(--line);font-size:.88rem}.steps span{color:var(--muted)}.card-figure{margin:0;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 50px rgba(27,55,60,.09)}.card-figure img{border-radius:12px}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #c9d7d4;margin-top:35px;padding-top:24px}.mini-stats strong,.mini-stats span{display:block}.mini-stats strong{font-size:1.7rem}.mini-stats span{font-size:.7rem;color:var(--muted)}.results{background:#f8faf8}.result-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:14px}.metric-card{padding:28px;border:1px solid var(--line);border-radius:18px;background:#fff;min-height:250px}.metric-card.feature{background:var(--dark2);color:white}.metric-label{display:block;font:500 .67rem "DM Mono",monospace;text-transform:uppercase;letter-spacing:.08em;color:#658087}.metric-card strong{display:block;font-size:3rem;letter-spacing:-.06em;margin:28px 0 12px}.metric-card small{font-size:1.1rem}.metric-card p{font-size:.8rem;color:#65767e}.metric-card.feature p{color:#9eb0b5}.bar{height:5px;background:#233a43;border-radius:4px;margin-top:28px}.bar i{display:block;height:100%;background:var(--cyan);border-radius:4px}.bar-note{font-size:.66rem;color:#8da2a7}.wide-figure.compact{max-width:850px}.video-section{background:#dbe7e4;text-align:center}.video-placeholder{display:grid;place-items:center;min-height:390px;margin-top:40px;border:1px dashed #9eb3ae;border-radius:var(--radius);background:rgba(255,255,255,.35);color:#718680}.video-placeholder .play-mark{display:grid;place-items:center;width:66px;height:66px;border:1px solid #9eb3ae;border-radius:50%;padding-left:4px;margin-bottom:14px}.video-placeholder p{margin:2px 0 0;font-size:.8rem}footer{background:#061017;color:#8ba0a5;padding:38px 0}footer .shell{display:flex;justify-content:space-between;align-items:center}footer p{font-size:.72rem}
@media(max-width:900px){.hero{min-height:680px}.hero-orbit{opacity:.3}.hero-content{padding-top:90px}.stat-grid{grid-template-columns:repeat(2,1fr)}.section-heading,.split,.split.reverse{grid-template-columns:1fr;gap:35px}.result-grid{grid-template-columns:repeat(2,1fr)}.canvas-wrap{height:500px}.viewer-toolbar{align-items:flex-start;flex-direction:column}.nav-links{display:none}}@media(max-width:560px){.shell{width:min(calc(100% - 28px),var(--shell))}.section{padding:76px 0}.hero{min-height:650px}.nav{height:68px}.hero-content{padding-top:72px}h1{font-size:3.25rem}.stat-grid,.result-grid{grid-template-columns:1fr}.stat-grid article{padding:22px}.canvas-wrap{height:430px}.scene-picker{width:100%;align-items:flex-start;flex-direction:column}.scene-picker select{width:100%;max-width:none}.viewer-actions{gap:6px}.viewer-actions label{padding:4px 0}.legend{gap:10px;flex-wrap:wrap}.steps li{grid-template-columns:80px 1fr}.mini-stats{gap:10px}footer .shell{align-items:flex-start;flex-direction:column;gap:18px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Revision: restrained academic title, white paper figures, and visual scene picker. */
.hero{min-height:auto;background:#fff;color:var(--ink);border-bottom:1px solid var(--line)}
.hero .nav{border-color:var(--line)}.hero .nav-links a{color:var(--muted)}.hero .wordmark>span{color:#178e8c;border-color:#178e8c}
.hero-content{padding-top:82px;padding-bottom:92px;text-align:center}.hero .eyebrow{color:#168e8c}.hero h1{max-width:990px;margin:18px auto 25px;font-size:clamp(2.05rem,4.45vw,4.05rem);line-height:1.1;letter-spacing:-.045em}.hero-lede{margin:0 auto 30px;max-width:760px;color:var(--muted)}.hero-actions{justify-content:center}.hero .button.primary{background:var(--ink);border-color:var(--ink);color:#fff}.hero .button.muted{border-color:var(--line);color:var(--muted)}
.video-section{background:#f3f6f5}.video-placeholder{background:#fff;min-height:430px}
.wide-figure img,.card-figure img{box-sizing:border-box;background:#fff;padding:24px}.pipeline-figure{max-width:1100px}.pipeline-figure img{padding:34px}
.teaser-figure{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px 42px 20px}.teaser-figure img{padding:0;box-shadow:none}.teaser-figure figcaption{margin-bottom:0}
.stat-grid strong{letter-spacing:.015em;font-kerning:none;font-variant-numeric:tabular-nums}
.viewer-stage{display:grid;grid-template-columns:minmax(0,1fr) 300px;min-height:590px}.viewer-stage .canvas-wrap{height:590px}.source-video{position:relative;display:flex;align-items:center;justify-content:center;padding:18px;border-left:1px solid #223640;background:#08151c}.source-video>span{position:absolute;left:14px;top:12px;z-index:1;padding:5px 8px;border-radius:6px;background:rgba(4,15,20,.72);color:#9db0b5;font:500 .64rem "DM Mono",monospace;text-transform:uppercase;letter-spacing:.08em}.source-video video{display:block;width:100%;max-height:540px;border-radius:10px;background:#03090c}
.legend .dot.object{background:rgb(149,206,225)}.legend .line.flow{height:2px;border:0;background:linear-gradient(90deg,rgb(236,152,217),rgb(149,206,225))}
.supp-video{display:block;width:100%;max-width:1180px;margin:38px auto 0;border-radius:18px;background:#050b0e;box-shadow:0 20px 60px rgba(30,57,61,.14)}
@media(max-width:900px){.viewer-stage{grid-template-columns:1fr}.viewer-stage .canvas-wrap{height:500px}.source-video{min-height:260px;border-left:0;border-top:1px solid #223640}.source-video video{max-height:360px;width:auto;max-width:100%}}
.scene-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:22px;max-height:610px;overflow:auto;padding:3px 3px 10px;scrollbar-color:#314851 #0b1921}
.scene-card{padding:0;overflow:hidden;text-align:left;background:#0d202a;border:1px solid #263b44;border-radius:12px;color:#e4eeee;min-width:0;transition:border-color .15s,transform .15s}.scene-card:hover{transform:translateY(-2px);border-color:#59737d}.scene-card.active{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan)}.scene-card img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#17252c}.scene-card-copy{display:block;padding:10px 11px 12px}.scene-card b{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;font-size:.72rem;line-height:1.35;font-weight:600;min-height:1.95em}.scene-card small{display:block;color:#789098;font-size:.62rem;margin-top:6px}.camera-key{display:inline-block;width:11px;height:8px;border:1px solid #ffbe60;transform:perspective(10px) rotateX(-10deg);margin-right:7px}
.metric-card strong{display:flex;align-items:baseline;gap:0;letter-spacing:-.04em}.metric-card small{letter-spacing:0}.metric-card .unit{margin-left:.38em}.metric-card .fraction{margin-left:.3em}.evidence-figures{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:24px;align-items:center;margin-top:54px}.evidence-figures figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}.evidence-figures img{display:block;width:100%;height:auto}.scaling-figure{max-width:580px;justify-self:center}.confusion-figure{max-width:610px;justify-self:center}.execution-section{background:#eef3f1}.execution-gallery{grid-template-columns:repeat(3,minmax(0,1fr));max-height:none}.execution-section .viewer{margin-bottom:22px}
@media(max-width:900px){.hero-content{padding-top:66px;padding-bottom:72px}.scene-gallery{grid-template-columns:repeat(3,minmax(0,1fr));max-height:570px}.evidence-figures{grid-template-columns:1fr}.confusion-figure,.scaling-figure{max-width:720px}.pipeline-figure img{padding:22px}}
@media(max-width:560px){.hero{min-height:auto}.hero-content{padding-top:52px;padding-bottom:58px}.hero h1{font-size:2.05rem}.scene-gallery{grid-template-columns:repeat(2,minmax(0,1fr));max-height:520px}.scene-card b{font-size:.67rem}.wide-figure img,.card-figure img{padding:12px}.teaser-figure{padding:20px 20px 14px}.teaser-figure img{padding:0}.evidence-figures figure{padding:14px}}

.viewer-stage .source-video{flex-direction:column;align-items:stretch;gap:14px}
.viewer-stage .source-video video{max-height:475px;object-fit:contain}
.dataset-description,.execution-instruction{width:100%;margin:0;padding:11px 12px;border:1px solid #28434d;border-radius:9px;background:#102630;color:#e1eeee;font-size:.78rem;line-height:1.5;overflow-wrap:anywhere}
.dataset-description::before,.execution-instruction::before{display:block;margin-bottom:5px;color:#88a5ad;font:500 .6rem "DM Mono",monospace;letter-spacing:.1em;text-transform:uppercase}
.dataset-description::before{content:"Video description"}
.execution-instruction::before{content:"Task instruction"}
@media(max-width:900px){.viewer-stage .source-video video{max-height:360px}}