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@font-face{font-family:Inter;src:url('assets/fonts/Inter-Medium.otf') format('opentype');font-weight:500;font-style:normal;font-display:swap}
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*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:94px}
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#method{border-top:1px solid var(--line);margin-top:25px}.method-figure{margin:0 0 45px;padding:0;border:0;border-radius:0;box-shadow:none;background:none}.method-figure img{height:auto}.method-notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}.method-notes article{padding:19px 0 0;border-top:2px solid var(--purple);background:none}.method-notes article:nth-child(2){border-top-color:var(--blue)}.method-notes article:nth-child(3){border-top-color:var(--gold)}.method-notes h3{font-size:16px;margin-bottom:11px}.method-notes p{font-size:14px;line-height:1.85;margin:0}
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@media(max-width:600px){
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.section{padding:53px 0}#comparison{padding-top:36px}.section-title{margin-bottom:30px}h2{font-size:34px;line-height:1.23;letter-spacing:-.036em}.section-title p{font-size:14px;line-height:1.85}#continuous .section-title p,#reactions .section-title p,#method .section-title p{margin-top:19px}.section-title,#simulation .section-title{gap:19px}
.latency{margin-bottom:26px;gap:18px 20px}.metric-label{font-size:11px;margin-bottom:8px}.latency div>strong{font-size:42px}.latency div>strong span{font-size:16px}.latency p{font-size:11px}.choices{justify-content:space-between;gap:15px;margin-bottom:21px}.choice{font-size:11px;padding:7px 0 8px}.comparison-labels h3{font-size:14px}.comparison-labels span{font-size:10px}.comparison-caption{flex-direction:column;gap:7px;font-size:10px;margin-top:13px}
.video-pair{grid-template-columns:1fr;gap:28px}.media-label{gap:14px;margin-bottom:11px}.media-label h3{font-size:13px}.open-link{font-size:10px}.simulation-caption{flex-direction:column;gap:9px;font-size:10px}
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#method{margin-top:0}.abstract{gap:23px;padding-top:40px;padding-bottom:40px}.abstract-heading h2{font-size:26px}.abstract-copy p{font-size:13px;line-height:1.95}footer{flex-direction:column;gap:12px;font-size:10px;padding:24px 0 30px}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}.resource:hover span{transform:none}}
@media print{.topbar,.resources,.choices,.sound-sequence,.simulation-toolbar,.open-link,#signal-field,footer{display:none}.container,.narrow,.hero{width:100%}.hero{padding:20px 0}.project-name{font-size:56px}.section{break-inside:avoid;padding:28px 0}}

/* Academic showcase: research structure with expressive, evidence-led visuals. */
:root{--purple:#9772c2;--blue:#6da8c8;--gold:#ccb65f}
body{background:#fff}strong{font-weight:600}.wordmark{display:inline-flex;align-items:center;gap:9px;letter-spacing:-.035em}
.topbar{background:#ffffffdb;box-shadow:0 3px 28px #49396505}.nav-links a::after{background:linear-gradient(90deg,var(--purple),var(--blue))}
.hero{padding-bottom:50px}.hero-heading{padding:60px 0 20px}.hero-heading::before{content:'';position:absolute;z-index:-1;inset:0 -40px -35px;pointer-events:none;background:radial-gradient(ellipse at 21% 38%,#b393d927,transparent 43%),radial-gradient(ellipse at 57% 14%,#98c8e123,transparent 45%),radial-gradient(ellipse at 86% 55%,#e9d88b2b,transparent 41%);filter:blur(18px)}
.project-identity{display:flex;justify-content:center;align-items:center;gap:19px;margin-bottom:20px}.project-name{font-family:InterDisplay,Inter,sans-serif;font-weight:700;display:inline;font-size:88px;line-height:1.05;letter-spacing:-.038em;margin:0}.project-title{font-size:32px;line-height:1.36;letter-spacing:-.025em;font-weight:500}.hero-figure{margin-top:27px}
.resources{gap:14px;margin-top:29px}.resource{border-radius:7px;padding:10px 18px;font-size:12px;box-shadow:0 3px 9px #42384e06;background:#ffffffc7}.resource:first-child{border-color:#c3b1d7;background:linear-gradient(115deg,#eee6f7,#e8f1f8)}.resource:hover{background:#f6f2fa;box-shadow:0 4px 15px #68558610}
.abstract{display:block;width:min(820px,calc(100% - 80px));padding:42px 0 68px;margin-top:0;border:0}.abstract-heading h2{font-family:InterDisplay,Inter,sans-serif;font-weight:700;font-size:32px;letter-spacing:-.025em;text-align:center;margin:0 0 26px}.abstract-copy p{font-size:16px;line-height:1.95}.abstract-copy strong{background:linear-gradient(transparent 65%,#e8e0f2 65%);font-weight:500}
.chapter-heading{text-align:center;margin:0 auto 43px}.chapter-heading h2{font-family:InterDisplay,Inter,sans-serif;font-size:36px;line-height:1.2;font-weight:700;letter-spacing:-.025em;margin:0 0 18px}.chapter-heading p{font-size:21px;line-height:1.55;letter-spacing:-.015em;margin:0 auto;max-width:720px}
#method{border-top:1px solid var(--line);margin-top:0;padding-top:69px}.architecture-heading{display:flex;align-items:baseline;justify-content:space-between;gap:25px;margin:49px 0 20px}.architecture-heading h3{font-size:18px;font-weight:600;margin:0}.architecture-heading>span{font-size:12px}.method-notes article{border-top-width:3px}.method-notes h3{font-weight:600}.method-figure{margin-bottom:38px}
.causal-lab{padding:25px 28px 23px;border:1px solid #e3dceb;border-radius:18px;background:linear-gradient(125deg,#faf7fd 0%,#f6f9fd 54%,#fffcf2 100%);box-shadow:0 18px 50px -36px #69578140;overflow:hidden}
.lab-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px;font-size:12px}.lab-top>span{font-weight:600}.lab-play{background:#ffffff9c;border:1px solid #d4cadd;border-radius:5px;padding:4px 10px;font-size:11px;min-width:75px}.lab-play>span{font-size:10px;margin-right:4px}
.causal-flow{display:grid;grid-template-columns:minmax(0,1fr) 55px minmax(0,1.22fr) 40px minmax(0,.88fr);align-items:center;gap:10px}
.flow-inputs{display:grid;gap:14px}.flow-node{padding:14px 16px 12px;background:#ffffffd9;border:1px solid #d5c4e7;border-radius:10px;min-height:114px;transition:box-shadow .5s,transform .5s}.where-node{border-color:#b5d3e6}.node-heading{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.node-heading strong{font-size:17px;letter-spacing:-.02em}.node-heading>span{font-size:10px}.node-detail{display:block;font-size:10px;line-height:1.5}.audio-glyph{display:flex;align-items:center;justify-content:center;gap:4px;height:35px;margin:6px 0}.audio-glyph i{width:4px;height:17px;border-radius:3px;background:var(--purple);transform-origin:center}.audio-glyph i:nth-child(3n){height:30px}.audio-glyph i:nth-child(3n+1){height:11px}.audio-glyph i:nth-child(5n){height:24px}
.spatial-glyph{height:36px;width:100%;margin:5px 0 4px;fill:var(--blue);stroke:var(--blue);stroke-width:1.5}.spatial-glyph>path:first-child{stroke:#cadce8}.geometry-ray{stroke-dasharray:3 3}.source-point{transform-box:fill-box;transform-origin:center}
.token-bridge{display:flex;flex-direction:column;justify-content:space-around;height:246px}.token-lane{display:flex;align-items:center;gap:4px}.token-lane i{display:block;width:8px;height:17px;flex-shrink:0;border-radius:3px;background:var(--purple);opacity:.5}.where-lane i{background:var(--blue)}.token-lane b{font-size:16px;font-weight:400;margin-left:2px}.flow-model{border:1px solid #bdc9e2;border-radius:12px;background:#ffffffd9;box-shadow:0 9px 30px -20px #5f518766;transition:box-shadow .5s,transform .5s}.transformer-node{text-align:center;padding:23px 17px 20px}.history-label{font-size:9px;display:block;margin-bottom:15px}.transformer-node>strong{display:block;font-family:InterDisplay,Inter,sans-serif;font-size:24px;line-height:1.3;letter-spacing:-.025em;font-weight:700}.history-tokens{display:flex;gap:5px;justify-content:center;margin-top:21px}.history-tokens i{width:15px;height:24px;border-radius:3px;background:#cfbdde}.history-tokens i:nth-child(3n+1){background:#bbd6e4}.history-tokens i:nth-child(3n+2){background:#decf90}.model-decoder{display:flex;align-items:center;justify-content:center;gap:13px;padding:14px 8px;border-top:1px solid #d9dcea;font-size:11px}.model-decoder b{font-weight:400}.output-bridge{text-align:center;font-size:27px}
.flow-output{text-align:center;padding:22px 12px 17px;border:1px solid #dac785;border-radius:12px;background:#fffdf3;transition:box-shadow .5s,transform .5s}.output-label{font-size:12px;font-weight:600}.motion-frames{display:flex;gap:6px;justify-content:center;margin:17px 0 13px}.motion-frames i{display:block;width:34px;height:72px;background:#f3e9b9;border:1px solid #e1cf82;border-radius:5px;transform-origin:bottom}.motion-frames svg{width:100%;height:100%;stroke:#927b20;stroke-width:2.6;fill:#927b20;stroke-linecap:round;stroke-linejoin:round}.motion-frames svg path{fill:none}.flow-output>strong{display:block;font-size:14px;margin-bottom:4px}
.feedback-loop{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px dashed #a5c5dc;padding:17px 18px 14px;margin:3px 8px 24px;font-size:11px;border-radius:0 0 12px 12px}.feedback-loop>span:first-child,.feedback-loop>span:last-child{font-size:23px;line-height:1}.feedback-loop strong{font-weight:600}
.method-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:8px}.method-controls button{border:1px solid transparent;border-radius:6px;background:transparent;padding:11px 7px;font-size:12px;line-height:1.5;transition:background .25s,border-color .25s}.method-controls button[aria-pressed=true]{background:#fff;border-color:#c9b8dc;box-shadow:0 3px 10px #42335e08}.method-controls button:hover{background:#ffffff9c}.method-explanation{font-size:13px;line-height:1.85;min-height:48px;text-align:center;max-width:850px;margin:20px auto 0}.lab-note{font-size:10px;text-align:center;margin:10px 0 0;line-height:1.7}
.causal-lab[data-phase="0"] .flow-node{box-shadow:0 4px 18px -11px #8269a2aa;transform:translateY(-2px)}.causal-lab[data-phase="1"] .flow-model,.causal-lab[data-phase="1"] .flow-output{box-shadow:0 5px 23px -11px #bc9a48a6;transform:translateY(-2px)}.causal-lab[data-phase="2"] .where-node{box-shadow:0 5px 22px -10px #67a7ccaa}.causal-lab[data-phase="2"] .feedback-loop{border-color:#507fa7;background:#e5eff64d}
.causal-lab.is-playing[data-phase="0"] .audio-glyph i{animation:audio-pulse 1.5s ease-in-out infinite}.causal-lab.is-playing[data-phase="0"] .audio-glyph i:nth-child(2n){animation-delay:-.45s}.causal-lab.is-playing[data-phase="0"] .audio-glyph i:nth-child(3n){animation-delay:-.9s}.causal-lab.is-playing[data-phase="0"] .token-lane i{animation:token-pass 1.6s ease-in-out infinite}.causal-lab.is-playing[data-phase="0"] .token-lane i:nth-child(2){animation-delay:.2s}.causal-lab.is-playing[data-phase="0"] .token-lane i:nth-child(3){animation-delay:.4s}.causal-lab.is-playing[data-phase="1"] .motion-frames i{animation:motion-emit 1.8s ease-in-out infinite}.causal-lab.is-playing[data-phase="1"] .motion-frames i:nth-child(2){animation-delay:.2s}.causal-lab.is-playing[data-phase="1"] .motion-frames i:nth-child(3){animation-delay:.4s}.causal-lab.is-playing[data-phase="1"] .motion-frames i:nth-child(4){animation-delay:.6s}.causal-lab.is-playing[data-phase="2"] .source-point{animation:source-update 2s ease-in-out infinite}
@keyframes audio-pulse{0%,100%{transform:scaleY(.7)}50%{transform:scaleY(1.15)}}@keyframes token-pass{0%,100%{opacity:.3;transform:translateX(-2px)}50%{opacity:1;transform:translateX(3px)}}@keyframes motion-emit{0%,100%{transform:translateY(0);opacity:.65}50%{transform:translateY(-6px);opacity:1}}@keyframes source-update{0%,100%{transform:translateX(-5px)}50%{transform:translateX(5px)}}
.results-section>.chapter-heading{padding-top:68px;border-top:1px solid var(--line);margin-bottom:30px}.results-nav{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:48px}.results-nav a{font-size:12px;line-height:1.6;padding:8px 14px;border:1px solid #e3dce9;border-radius:20px;background:#fff;transition:background .2s,border-color .2s}.results-nav a:hover{background:#f2edf7;border-color:#c4addb;text-decoration:none}
.benchmark{padding-bottom:72px}.benchmark-heading{display:flex;justify-content:space-between;align-items:baseline;gap:25px;margin:0 0 27px}.benchmark-heading h3{font-size:20px;font-weight:600;margin:0}.benchmark-heading p{font-size:12px;margin:0}.quality-showcase{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center;margin:0 0 39px}.quality-callout{padding:24px 0 23px 24px;background:radial-gradient(ellipse at 40% 38%,#e8dff040,transparent 70%)}.quality-context{font-size:12px;display:block;margin-bottom:13px}.quality-callout>strong{display:block;font-family:InterDisplay,Inter,sans-serif;font-size:88px;font-weight:700;letter-spacing:-.05em;line-height:1.08}.quality-callout>span#quality-caption{display:block;font-size:21px;margin-top:8px;font-weight:500}.quality-callout>p{font-size:13px;line-height:1.85;max-width:340px;margin:14px 0 0}
.quality-chart{padding:24px 29px 17px;border:1px solid #e5deec;border-radius:13px;background:linear-gradient(140deg,#fff,#fcfaff);box-shadow:0 12px 35px -27px #6a548a55}.metric-toggle{display:inline-flex;gap:4px;border:1px solid #dcd5e7;padding:4px;border-radius:8px;background:#f5f2f9}.metric-toggle button{font-size:12px;border:0;background:transparent;padding:6px 14px;border-radius:5px}.metric-toggle button[aria-pressed=true]{background:#fff;box-shadow:0 1px 5px #57466f18;font-weight:600}#quality-axis-label{font-size:11px;margin:20px 0 17px}.chart-row{margin-bottom:19px}.chart-row>div:first-child{display:flex;justify-content:space-between;align-items:baseline;gap:25px;font-size:12px;margin-bottom:8px}.chart-row strong{font-size:16px;font-variant-numeric:tabular-nums}.bar-track{height:20px;background:#ede9f2;border-radius:4px;overflow:hidden}.bar-fill{display:block;height:100%;width:100%;transform:scaleX(var(--bar));transform-origin:left;transition:transform .65s cubic-bezier(.2,.65,.3,1);border-radius:4px}.mospa-bar{background:#9eafc4}.ours-bar{background:linear-gradient(90deg,#aa86c8,#7fabc8 57%,#d7c37c)}.chart-scale{display:flex;justify-content:space-between;font-size:10px;margin-top:-9px}
.table-scroll{overflow-x:auto;border-top:1px solid #dad4e1;border-bottom:1px solid #dad4e1;border-radius:0}.results-table{width:100%;border-collapse:collapse;white-space:nowrap;font-size:12px;line-height:1.65;font-variant-numeric:tabular-nums;text-align:right}.results-table th,.results-table td{padding:13px 10px}.results-table th:first-child{text-align:left}.results-table thead th{font-size:12px;font-weight:600;border-bottom:1px solid #ded8e5;padding-top:16px;padding-bottom:16px}.results-table tbody th{font-weight:500}.results-table tbody tr+tr{border-top:1px solid #f0edf4}.results-table .reference-row{border-bottom:1px solid #ded8e5}.results-table .ours-row{background:linear-gradient(100deg,#f0e9f8,#ebf3f9 62%,#faf5e1)}.results-table .ours-row th{font-weight:600}.results-table .uncertainty{font-size:9px;margin-left:2px;vertical-align:1px}.results-table sup{font-size:8px;margin-left:2px}.table-note{font-size:10px;line-height:1.8;margin:15px 0 0;max-width:1000px}
.feature-title{font-family:InterDisplay,Inter,sans-serif;font-size:40px;line-height:1.2;font-weight:700;letter-spacing:-.03em;margin:0}.section-title p{font-size:15px}.latency{background:linear-gradient(110deg,#f6f1fa7a,#f4f8fb7a 55%,#fffaf066);padding:27px 23px;border-radius:9px;border-top:0;border-bottom:0}.latency div>strong{font-family:InterDisplay,Inter,sans-serif;font-weight:700}
.gallery-item h3{font-family:InterDisplay,Inter,sans-serif;font-weight:700;font-size:18px}.gallery-item figcaption{padding-bottom:9px;border-bottom:1px solid #eee8f2}.gallery-item:hover figcaption{border-color:#bfa2d7}.method-notes p{font-size:13px}
@media(max-width:1050px){.project-name{font-size:78px}.project-title{font-size:30px}.hero-heading::before{inset-inline:0}.causal-lab{padding:23px 21px}.causal-flow{grid-template-columns:minmax(0,1fr) 42px minmax(0,1.15fr) 30px minmax(0,.9fr);gap:7px}.flow-node{padding:12px}.node-heading{display:block}.node-heading>span{display:block;margin-top:1px}.transformer-node{padding-inline:12px}.transformer-node>strong{font-size:22px}.history-label{font-size:8px}.token-lane{gap:3px}.token-lane i{width:6px}.token-lane b{font-size:13px;margin:0}.model-decoder{font-size:10px;gap:8px}.motion-frames{gap:4px}.motion-frames i{width:28px;height:62px}.feature-title{font-size:36px}.quality-showcase{gap:36px}.quality-callout{padding-left:10px}.quality-callout>strong{font-size:78px}.results-table th,.results-table td{padding-inline:7px}}
@media(max-width:800px){.project-name{font-size:70px}.project-title{font-size:28px}.abstract{width:calc(100% - 64px)}.chapter-heading h2{font-size:33px}.chapter-heading p{font-size:19px}.quality-showcase{gap:25px;grid-template-columns:.85fr 1.15fr}.quality-callout>strong{font-size:65px}.quality-chart{padding:22px 20px 17px}.quality-callout>span#quality-caption{font-size:18px}.quality-callout>p{font-size:12px}.results-table{font-size:11px}.results-table th,.results-table td{padding:12px 7px}.feature-title{font-size:35px}}
@media(max-width:740px){.causal-flow{grid-template-columns:1fr;gap:15px}.flow-inputs{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.node-heading>span{font-size:10px}.flow-node{padding:13px 14px;min-height:127px}.node-detail{font-size:10px}.token-bridge{height:30px;flex-direction:row;justify-content:space-around}.token-lane{gap:5px}.token-lane b{font-size:20px;transform:rotate(90deg)}.token-lane i{width:9px;height:18px}.flow-model{max-width:410px;width:100%;margin:auto}.transformer-node{padding:18px}.history-label{font-size:10px;margin-bottom:11px}.transformer-node>strong{font-size:23px}.history-tokens{margin-top:15px}.model-decoder{font-size:12px;padding:11px;gap:20px}.output-bridge{height:20px;font-size:23px;line-height:20px;transform:rotate(90deg)}.flow-output{max-width:410px;width:100%;margin:auto;padding:13px}.motion-frames{margin:12px 0 9px;gap:12px}.motion-frames i{width:38px;height:61px}.feedback-loop{margin:0 0 17px;padding:13px 3px;font-size:10px;gap:12px}.feedback-loop>span:nth-child(2){max-width:80%;text-align:center}.method-controls{gap:5px}.method-controls button{font-size:10px;padding:9px 4px}.method-explanation{font-size:12px;min-height:66px}.lab-note{font-size:9px}.architecture-heading>span{font-size:10px}}
@media(max-width:600px){.nav-links a[href="#results"],.nav-links a[href="#method"]{display:inline}.nav-links a[href="#continuous"],.nav-links a[href="#simulation"]{display:none}.nav-links{font-size:11px;gap:17px}.nav-inner{gap:14px}.wordmark{font-size:16px;gap:7px}.hero-heading{padding:38px 0 15px}.project-identity{gap:12px;margin-bottom:20px}.project-name{font-size:54px;letter-spacing:-.035em}.project-title{font-size:24px;line-height:1.4;font-weight:500}.hero-figure{margin-top:22px}.resources{gap:11px;margin-top:23px}.resource{font-size:11px;padding:9px 13px;min-height:38px}.hero{padding-bottom:25px}.abstract{width:calc(100% - 40px);padding:28px 0 46px}.abstract-heading h2{font-size:28px;margin-bottom:24px}.abstract-copy p{font-size:14px;line-height:1.9}.chapter-heading h2{font-size:30px;margin-bottom:16px}.chapter-heading p{font-size:17px;line-height:1.6}.chapter-heading{margin-bottom:29px}#method{padding-top:46px}.causal-lab{padding:18px 15px;border-radius:12px}.lab-top{font-size:10px;gap:12px;margin-bottom:18px}.lab-play{min-width:65px;font-size:10px;padding:4px 8px}.flow-node{padding:12px 10px}.audio-glyph{gap:3px;overflow:hidden}.audio-glyph i{flex-shrink:0;width:3px}.node-heading strong{font-size:16px}.architecture-heading{margin-top:34px;gap:20px}.architecture-heading h3{font-size:16px}.architecture-heading>span{font-size:9px;max-width:45%;text-align:right}.results-section>.chapter-heading{padding-top:44px;margin-bottom:25px}.results-nav{gap:7px;margin-bottom:32px}.results-nav a{font-size:10px;padding:7px 11px}.benchmark{padding-bottom:44px}.benchmark-heading{display:block;margin-bottom:15px}.benchmark-heading h3{font-size:19px;margin-bottom:8px}.benchmark-heading p{font-size:11px}.quality-showcase{grid-template-columns:1fr;gap:24px;margin-bottom:28px}.quality-callout{text-align:center;padding:14px 10px}.quality-context{font-size:11px;margin-bottom:10px}.quality-callout>strong{font-size:76px}.quality-callout>span#quality-caption{font-size:19px;margin-top:5px}.quality-callout>p{font-size:12px;margin:12px auto 0;max-width:300px}.quality-chart{padding:20px 22px 16px}.table-note{font-size:9px;line-height:1.9}.table-scroll{margin-right:-2px}.results-table{font-size:11px}.results-table th,.results-table td{padding:12px 9px}.results-table .uncertainty{font-size:8px}.feature-title{font-size:32px;line-height:1.25}.section-title p{font-size:14px}.latency{padding:22px 16px}.latency div>strong{font-size:40px}.latency div>strong span{font-size:15px}.gallery-item h3{font-size:18px}.method-notes p{font-size:13px}}
@media(max-width:360px){.nav-links{font-size:10px;gap:13px}.wordmark{font-size:14px;gap:6px}.project-name{font-size:45px}.project-identity{gap:10px}.project-title{font-size:22px}.feature-title{font-size:29px}.lab-top>span{max-width:155px}.node-heading>span{font-size:9px}.node-detail{font-size:9px}.method-controls button{font-size:9px}.quality-callout>strong{font-size:68px}.latency div>strong{font-size:36px}.latency div>strong span{font-size:13px}}
@media(prefers-reduced-motion:reduce){.causal-lab *{animation:none!important;transition:none!important}.bar-fill{transition:none}}



/* Spatial input precedes the two distinct conditions. */
.causal-flow{grid-template-columns:minmax(0,.94fr) 20px minmax(0,1fr) 34px minmax(0,1.32fr) 20px minmax(0,.98fr);gap:9px}
.source-scene{align-self:stretch;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:12px 0}
.source-scene>strong{font-family:InterDisplay,Inter,sans-serif;font-size:17px;font-weight:700;line-height:1.4;margin-bottom:8px}
.source-illustration{display:block;width:100%;max-width:215px;height:auto;overflow:visible}
.source-illustration text{font-family:Inter,Arial,sans-serif;font-size:9px;fill:#000}
.source-scene>.node-detail{margin-top:13px;font-size:9px}
.scene-bridge{font-size:23px;text-align:center}
.causal-flow .node-heading{display:block}.causal-flow .node-heading>span{display:block;font-size:10px;margin-top:1px}
.causal-flow .flow-node{padding:13px 12px}.causal-flow .node-detail{font-size:9px}
.causal-flow .token-lane{gap:3px}.causal-flow .token-lane i{width:5px;height:15px}.causal-flow .token-lane b{font-size:13px;margin-left:0}
.causal-flow .transformer-node{padding:24px 10px 22px}.causal-flow .transformer-node>strong{font-size:23px}.causal-flow .history-label{font-size:8px}
.causal-flow .model-decoder{font-size:10px;gap:10px}.causal-flow .history-tokens{gap:4px}.causal-flow .history-tokens i{width:13px;height:23px}
.causal-flow .flow-output{padding:20px 8px 17px}.causal-flow .output-label{font-size:11px}.causal-flow .motion-frames{gap:4px}.causal-flow .motion-frames i{width:29px;height:65px}.causal-flow .flow-output>strong{font-size:13px}
.causal-lab.is-playing[data-phase="0"] .scene-wave{animation:scene-sound 2.8s ease-out infinite;transform-box:fill-box;transform-origin:center}.causal-lab.is-playing[data-phase="0"] .wave-two{animation-delay:-1.4s}
@keyframes scene-sound{0%{transform:scale(.8);opacity:.35}100%{transform:scale(1.3);opacity:0}}
.comparison-caption{justify-content:flex-end}
.results-table .second-best{text-decoration:underline;text-underline-offset:3px}
.results-table .online-row{border-top:1px solid #bfb5ca;background:linear-gradient(100deg,#edf4fa,#f9fafc)}
@media(min-width:951px) and (max-width:1100px){.causal-lab{padding:22px 18px}.causal-flow{gap:6px;grid-template-columns:minmax(0,.85fr) 16px minmax(0,1fr) 25px minmax(0,1.28fr) 16px minmax(0,1fr)}.causal-flow .token-lane{gap:2px}.causal-flow .token-lane i{width:4px}.causal-flow .token-lane b{font-size:10px}.causal-flow .transformer-node>strong{font-size:21px}.causal-flow .model-decoder{font-size:9px;gap:5px}.causal-flow .motion-frames i{width:24px;height:61px}.source-scene>strong{font-size:16px}}
@media(max-width:950px){
 .causal-flow{grid-template-columns:minmax(0,1fr) 28px minmax(0,1.2fr);grid-template-areas:"scene scene-arrow inputs" "tokens tokens tokens" "model model model" "output-arrow output-arrow output-arrow" "output output output";gap:16px}
 .source-scene{grid-area:scene;max-width:260px;width:100%;margin:auto}.scene-bridge{grid-area:scene-arrow}.flow-inputs{grid-area:inputs;display:grid;grid-template-columns:1fr;gap:12px}
 .token-bridge{grid-area:tokens;flex-direction:row;justify-content:center;gap:100px;height:22px}.causal-flow .token-lane i{width:9px;height:18px}.causal-flow .token-lane b{font-size:21px;transform:rotate(90deg)}
 .flow-model{grid-area:model;max-width:410px;width:100%;margin:auto}.output-bridge{grid-area:output-arrow;transform:rotate(90deg);font-size:23px;line-height:20px;height:20px}.flow-output{grid-area:output;max-width:410px;width:100%;margin:auto}
 .causal-flow .flow-node{padding:14px 18px}.causal-flow .node-heading{display:flex}.causal-flow .node-detail{font-size:10px}.causal-flow .model-decoder{font-size:12px}.causal-flow .history-label{font-size:10px}.causal-flow .transformer-node{padding:18px}
 .causal-flow .flow-output{padding:14px}.causal-flow .motion-frames{gap:12px;margin:12px 0 10px}.causal-flow .motion-frames i{width:35px;height:58px}
}
@media(max-width:600px){
 .causal-flow{grid-template-columns:1fr;grid-template-areas:"scene" "scene-arrow" "inputs" "tokens" "model" "output-arrow" "output";gap:13px}
 .source-scene{max-width:230px;padding:0}.source-illustration{max-width:190px}.source-scene>strong{font-size:18px}.source-scene>.node-detail{margin-top:9px;font-size:10px}.scene-bridge{transform:rotate(90deg);line-height:18px;height:18px}
 .flow-inputs{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.causal-flow .flow-node{padding:12px 10px}.causal-flow .node-heading{display:block}.causal-flow .node-heading>span{font-size:9px}.causal-flow .node-detail{font-size:9px}.causal-flow .history-label{font-size:9px}.feedback-loop{margin-top:8px}
}
@media(prefers-reduced-motion:reduce){.causal-lab.is-playing .scene-wave{animation:none!important}}

@media(min-width:951px){.feedback-loop{margin-left:23%}}

/* A typographic identity, with simpler diagram annotations. */
.feedback-loop{justify-content:center;margin:13px 0 22px;padding:12px 0;border:0;border-radius:0;gap:0;text-align:center}
.feedback-loop>span:first-child,.feedback-loop>span:last-child{font-size:11px;line-height:1.8;max-width:none}
.causal-lab[data-phase="2"] .feedback-loop{background:none}
.causal-lab[data-phase="2"] .flow-output{box-shadow:0 5px 22px -10px #67a7ccaa}
.quality-chart[data-metric="fid"] .point-track{display:none}
.quality-chart[data-metric="r1"] .bar-track{display:none}
.point-track{position:relative;height:32px;background:repeating-linear-gradient(to right,#e8e3ed 0,#e8e3ed 1px,transparent 1px,transparent 25%);border-right:1px solid #e8e3ed;--point-color:#5f7997}
.point-track::before{content:"";position:absolute;left:0;right:0;top:50%;border-top:1px solid #ddd7e5}
#point-track-ours{--point-color:#8f70b0}
.confidence-interval{position:absolute;left:calc(var(--ci-left)*100%);width:calc(var(--ci-width)*100%);top:15px;height:2px;background:var(--point-color)}
.confidence-interval::before,.confidence-interval::after{content:"";position:absolute;top:-4px;width:1px;height:10px;background:var(--point-color)}
.confidence-interval::before{left:0}.confidence-interval::after{right:0}
.metric-point{position:absolute;left:calc(var(--point)*100%);top:11px;width:10px;height:10px;transform:translateX(-50%);border-radius:50%;background:var(--point-color);box-shadow:0 0 0 3px #fff}
.chart-scale{position:relative;display:block;height:20px;margin-top:-5px}
.chart-scale>span{position:absolute;left:calc(var(--tick)*100%);transform:translateX(-50%);font-size:10px}
.chart-scale>span:first-child{transform:none}.chart-scale>span:last-child{transform:translateX(-100%)}
.chart-scale-note{font-size:10px;line-height:1.5;margin:9px 0 0}
@media(max-width:600px){.feedback-loop>span:first-child,.feedback-loop>span:last-child{font-size:10px}.chart-scale>span,.chart-scale-note{font-size:9px}}

/* One connected return path from generated motion to the spatial condition. */
.causal-diagram{position:relative}
.feedback-route{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none;color:#7898b2}
#spatial-feedback-path{stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.causal-diagram>.feedback-loop{margin:0 0 22px;padding:29px 0 0}
.causal-lab[data-phase="2"] .feedback-route{color:#47769b}
.causal-lab[data-phase="2"] #spatial-feedback-path{stroke-width:2}
@media(max-width:950px){.causal-diagram{padding-right:20px}.causal-diagram>.feedback-loop{padding-top:16px}.feedback-route{width:100%;height:100%}}

/* Author order and affiliation markers follow the manuscript. */
.authors{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:center;gap:3px 24px;max-width:1000px}
.authors .author{display:inline-block;white-space:nowrap}
.author-break{flex-basis:100%;height:0}
.affiliations{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:center;gap:3px 22px;margin-top:10px;line-height:1.7}
.affiliations>span{white-space:nowrap}
@media(max-width:900px){.author-break{display:none}}
@media(max-width:600px){
 .authors{gap:4px 16px;font-size:14px;line-height:1.7}
 .authors .author{flex:0 0 calc(50% - 8px)}
 .affiliations{gap:3px 16px;font-size:12px;margin-top:12px}
}
@media(max-width:360px){.authors{font-size:13px;column-gap:12px}.authors .author{flex-basis:calc(50% - 6px)}}

/* Teaser-inspired color accents for the opening title. */
.hero .project-name{color:#8252b7}
.title-streaming{color:#8052b5}
.title-motion{color:#3079b0}
.title-audio{color:#98711d}
@supports ((background-clip:text) or (-webkit-background-clip:text)){
 .hero .project-name{
  background-image:linear-gradient(105deg,#9252c4 0%,#7066c9 24%,#4287bd 48%,#328b82 68%,#b18631 100%);
  background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;
 }
}
@media print{
 .hero .project-name{background:none;color:#000;-webkit-text-fill-color:#000}
 .title-streaming,.title-motion,.title-audio{color:#000}
}
@media(forced-colors:active){
 .hero .project-name{background:none;color:CanvasText;-webkit-text-fill-color:CanvasText}
 .title-streaming,.title-motion,.title-audio{color:CanvasText}
}

/* Keep the full subtitle on one line on desktop. */
@media(min-width:901px){.hero .project-title{font-size:clamp(24px,2.75vw,32px);white-space:nowrap}}

/* Browse every human-to-humanoid example together. */
.simulation-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:44px 32px}
.simulation-item{min-width:0;padding-top:20px;border-top:1px solid var(--line)}
.simulation-item-heading{margin-bottom:18px;min-height:57px}
.simulation-item-heading h4{font-size:20px;line-height:1.3;font-weight:600;letter-spacing:-.02em;margin:0 0 6px}
.simulation-item-heading p{font-size:12px;line-height:1.65;margin:0}
.simulation-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.simulation-pair figure{min-width:0}
.simulation-media-label{font-size:12px;line-height:1.5;font-weight:500;margin-bottom:10px}
.simulation-video-link{margin-top:8px}
.simulation-sequence{display:inline-block;font-size:11px;margin-top:12px}
#simulation>.simulation-caption{display:block;margin:30px 0 0;font-size:11px;line-height:1.9}
@media(max-width:800px){.simulation-grid{grid-template-columns:1fr;gap:34px}.simulation-item-heading{min-height:0}.simulation-pair{gap:20px}.simulation-media-label{font-size:13px}}
@media(max-width:480px){.simulation-pair{grid-template-columns:1fr;gap:22px}.simulation-item-heading h4{font-size:19px}.simulation-item-heading{margin-bottom:18px}.simulation-sequence{margin-top:16px}}

/* Paper and code links in the research-page pill style. */
.resources{gap:12px}
.resources .resource{gap:10px;min-height:48px;padding:10px 22px;border:0;border-radius:999px;background:#363636;color:#fff;box-shadow:none;font-size:17px;font-weight:400;line-height:1.5;white-space:nowrap;text-decoration:none}
.resources .resource span{font:inherit;color:inherit;transform:none;transition:none}
.resources .resource-icon{width:20px;height:20px;flex:0 0 20px;align-self:center;object-fit:contain;filter:brightness(0) invert(1)}
.resources .resource small{font-size:12px;line-height:1.5;color:inherit;padding:0;border-radius:0;background:none}
.resources a.resource:hover{background:#242424;box-shadow:none}
.resources a.resource:focus-visible{outline:2px solid var(--purple);outline-offset:4px}
.resources .resource-pending{cursor:default;align-items:baseline}
@media(max-width:600px){.resources{gap:10px}.resources .resource{gap:8px;min-height:42px;font-size:14px;padding:9px 16px}.resources .resource-icon{width:18px;height:18px;flex-basis:18px}.resources .resource small{font-size:10px}}