:root{--ink:#242327;--muted:#69666b;--accent:#8d1836;--accent-soft:#f5e9ed;--line:#e5e0e1;--paper:#fff;--tint:#faf8f7;--dark:#221e24;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}button,a,input{ -webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #bf5c7a;outline-offset:5px}[hidden]{display:none!important}img{display:block;max-width:100%;height:auto}button{color:inherit}p,h1,h2,h3,figure{margin:0}p+p{margin-top:18px}.wrap,.nav-wrap{width:min(var(--max),calc(100% - 64px));margin-inline:auto}.topbar{height:76px;border-bottom:1px solid 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var(--line);border-radius:5px;padding:7px 14px;font-size:12px}dialog>img{width:100%;height:auto;padding:18px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:-100px;left:15px;z-index:100;background:var(--accent);color:white;padding:10px 20px}.skip:focus{top:12px}body.modal-open{overflow:hidden}@media(min-width:1500px){.hero{padding-top:70px}}@media(max-width:900px){.nav-tag{display:none}.hero-flow{gap:15px}.flow-item{gap:8px}.flow-item strong{font-size:11px}.overview{gap:35px}.qualitative{gap:35px}.footer{flex-direction:column;align-items:flex-start}.method-grid{gap:20px}.citation-grid{grid-template-columns:.6fr 1.4fr;gap:25px}}@media(max-width:640px){html{scroll-padding-top:78px}.wrap,.nav-wrap{width:calc(100% - 36px)}.topbar{height:65px}.wordmark{font-size:15px;gap:6px}.mark{height:24px;width:24px;font-size:18px}nav{gap:14px;font-size:11px}nav a:first-child,nav .nav-code{display:none}.hero{padding-top:35px;padding-bottom:26px}.hero-name{letter-spacing:-5px;margin-top:22px;margin-bottom:18px}.hero h1{font-size:26px;letter-spacing:-.8px}.desktop-break{display:none}.hero-intro{font-size:14px;margin-top:18px}.authors{font-size:12px}.affiliation{font-size:12px}.author-notes{font-size:10px}.hero-actions{gap:8px;margin-bottom:30px}.button{padding:10px 13px;font-size:11px}.text-link{font-size:11px}.hero-flow{gap:12px;flex-direction:column;align-items:stretch;padding:19px 25px;width:285px;max-width:100%}.flow-item{gap:17px}.flow-item strong{font-size:12px}.flow-arrow{font-size:17px;margin-left:10px;line-height:1;transform:rotate(90deg);width:17px}.flow-note{font-size:9px;max-width:320px;margin-inline:auto}.metrics{grid-template-columns:1fr 1fr;gap:24px 12px;padding-block:27px}.metrics strong{font-size:29px}.metrics strong span{font-size:14px}.metrics p{font-size:9px}.metrics>div:nth-child(2){border:0}.section{padding-block:54px}.overview{grid-template-columns:1fr;gap:24px}.overview-copy .lead{font-size:19px}.overview-copy>p{font-size:14px}.section-head{display:block;margin-bottom:26px}.section-head>p{margin-top:18px;font-size:13px}.method-grid{grid-template-columns:1fr;gap:22px}.method-grid p{margin-top:8px}.figure-button{padding:10px}.zoom-label{font-size:9px;right:7px;bottom:7px}figcaption{padding:12px;font-size:10px}.results-tabs{gap:14px;margin-top:20px}.results-tabs button{font-size:11px;line-height:1.4;text-align:left;flex:1}.result-intro{align-items:start;gap:10px}.result-intro h3{font-size:17px}.result-intro h3 span{display:block;margin:3px 0}.result-intro p{font-size:12px}.result-highlight{font-size:29px}.result-highlight span{font-size:8px;max-width:95px;white-space:normal}td,th{padding:12px;font-size:12px}.table-note{font-size:10px!important}.demo-grid{grid-template-columns:1fr;gap:22px}.demo-footnote{font-size:9px}.qualitative{grid-template-columns:1fr;gap:25px}.qualitative>div{position:static}.qualitative p:not(.eyebrow){margin-top:17px}.citation-grid{grid-template-columns:1fr;gap:23px}.citation-box pre{font-size:10px;padding-left:16px;padding-right:16px}.footer{padding-block:28px;gap:22px}.lab-brand{gap:8px}.lab-brand img{width:38px}.lab-brand img:nth-child(2){width:48px}.lab-brand>div{padding-left:10px}.lab-brand strong{font-size:10px}.lab-brand span{font-size:8px}.eyebrow{font-size:9px;letter-spacing:1.5px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* Real-robot comparison gallery */
.has-embodied-videos{display:flex;flex-direction:column;gap:28px}
.has-embodied-videos #embodied-demo{order:-1}
#embodied-demo .media-stage{aspect-ratio:1280/432;background:#171419}
#embodied-demo .demo-body{padding:24px}
#embodied-demo .demo-caption{max-width:850px;font-size:12px}
#embodied-playlist{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:22px}
#embodied-playlist button{padding:0;overflow:hidden;text-align:left;border-color:#655563;background:#302932}
#embodied-playlist button img{width:100%;aspect-ratio:1280/432;object-fit:cover}
#embodied-playlist button span{display:block;padding:10px 12px;font-size:12px}
#embodied-playlist button[aria-pressed=true]{background:#f4dfe7;border-color:#f4dfe7;box-shadow:0 0 0 1px #f4dfe7}
.has-embodied-videos #driving-demo{display:grid;grid-template-columns:260px 1fr;align-items:center}
.has-embodied-videos #driving-demo .demo-topline{grid-column:1/-1}
.has-embodied-videos #driving-demo .media-stage{aspect-ratio:16/9;width:260px}
.has-embodied-videos #driving-demo .video-placeholder svg{margin-bottom:3px}
.has-embodied-videos #driving-demo .video-placeholder>span{font-size:9px}
.demo-speed-note{color:#e1c5d2;font-size:12px;margin-top:22px}
.demo-speed-note strong{background:#f4dfe7;color:#571a30;border-radius:4px;padding:5px 8px;margin-right:7px}
.demo-footnote{max-width:960px;line-height:1.8}
@media(max-width:640px){#embodied-demo .demo-topline{flex-wrap:wrap;padding:12px}#embodied-demo .demo-state{font-size:8px}#embodied-demo .demo-body{padding:16px}#embodied-playlist{grid-template-columns:1fr 1fr;gap:10px}#embodied-playlist button span{font-size:10px;padding:9px}#embodied-demo .demo-caption{font-size:11px}.has-embodied-videos #driving-demo{grid-template-columns:1fr}.has-embodied-videos #driving-demo .media-stage{width:100%;max-height:160px}.demo-speed-note{font-size:10px;line-height:2.2}}

/* Preserve 4:3 source views and make source timing explicit. */
#embodied-demo .media-stage{aspect-ratio:2/1}
#embodied-playlist button img{aspect-ratio:2/1}
.playback-controls{display:flex;align-items:center;gap:8px;margin-bottom:22px;flex-wrap:wrap}
.playback-controls>span{font-size:12px;color:#e4d7e0;margin-right:auto}
.playback-controls button{border:1px solid #766172;background:transparent;color:#e4d7e0;border-radius:5px;padding:7px 12px;font-size:11px}
.playback-controls button[aria-pressed=true]{background:#d8f2d0;color:#254d24;border-color:#d8f2d0}





.inference-note{margin-top:19px;color:#e0d5df;font-size:12px;line-height:1.8}
.inference-note a{color:#eeb8ce;text-decoration:underline;text-underline-offset:3px}
@media(max-width:640px){.playback-controls>span{font-size:10px}.playback-controls button{font-size:10px;padding:6px 9px}}
@media(min-width:641px) and (max-width:900px){#demos .section-head{display:block}#demos .section-head>p{margin-top:16px}}

/* Keep the arrow independent of font metrics and align the wordmark optically. */
.wordmark{line-height:1;white-space:nowrap}
.mark{flex-shrink:0;line-height:0}
.mark svg{display:block;width:66%;height:66%;fill:none;stroke:currentColor;stroke-width:2.8;stroke-linecap:square;stroke-linejoin:miter}
.wordmark-name,.nav-tag{line-height:1;position:relative;top:1px}

/* A high-contrast, touch-friendly speed selector matching the burgundy brand. */
.playback-controls{gap:12px}
.playback-switch{display:inline-flex;gap:4px;padding:4px;background:#211d23;border:1px solid #594952;border-radius:12px}
.playback-switch button{appearance:none;-webkit-appearance:none;display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:110px;margin:0;padding:10px 16px;border:1px solid transparent;border-radius:8px;background:transparent;color:#d9cdd4;font-size:12px;font-weight:600;line-height:1.2;touch-action:manipulation;transition:background .12s,color .12s}
.playback-switch button:hover{background:#42333d;color:#fff}
.playback-switch button[aria-pressed=true]{background:#8d1836;border-color:#bc5674;color:#fff;box-shadow:0 2px 6px #0003}
.playback-switch button:active{background:#ad294b}
.playback-switch button:focus-visible{outline:2px solid #f0b4c7;outline-offset:2px}
@media(max-width:640px){.playback-controls>span{flex-basis:100%;font-size:11px}.playback-switch{width:100%}.playback-switch button{flex:1;font-size:12px}}

/* Benchmark results and compiled latency are shown in adjacent pairs. */
.metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.metrics p{padding-inline:4px}
@media(max-width:900px) and (min-width:641px){.metrics strong{font-size:29px}.metrics p{font-size:10px}}
@media(max-width:640px){.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 12px}.metrics>div:nth-child(even){border-right:0}.metrics>div:last-child{grid-column:auto}}
/* NAVSIM: five visible scenes, one shared time selector. */
.driving-gallery{margin-bottom:54px;border:1px solid #514650;border-radius:12px;padding:28px;background:#29232b}
.driving-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}
.driving-heading .eyebrow{color:#e4a2b8;margin-bottom:9px}
.driving-heading h3{font-size:25px;letter-spacing:-.6px}
.driving-count{font-size:10px;letter-spacing:1.5px;color:#d0bdc8;white-space:nowrap}
.driving-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 0 20px}
.driving-toolbar p{font-size:12px;color:#d6c8d1}
.driving-time-switch{display:flex;gap:4px;border:1px solid #594952;border-radius:10px;padding:4px;background:#211d23}
.driving-time-switch button{border:1px solid transparent;background:transparent;color:#d9cdd4;border-radius:6px;min-width:65px;min-height:44px;padding:8px 14px;font-size:12px;font-weight:600}
.driving-time-switch button:hover{background:#42333d}
.driving-time-switch button[aria-pressed=true]{background:#8d1836;border-color:#bc5674;color:#fff}
.driving-scenes{display:grid;gap:22px}
.driving-scene{border:1px solid #514650;border-radius:9px;overflow:hidden;background:#211d23}
.driving-scene figcaption{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 17px;border-bottom:1px solid #514650}
.driving-scene h4{font-size:15px;font-weight:600;margin:0;letter-spacing:0}
.driving-scene h4 span{color:#e4a2b8;font-size:11px;margin-right:10px}
.driving-scene figcaption>span{color:#cbbbc6;font-size:11px}
.driving-columns{display:grid;grid-template-columns:680fr 680fr 384fr;padding:7px 0;font-size:10px;color:#d6c8d1;text-align:center}
.driving-frame{display:block;width:100%;position:relative;padding:0;border:0;background:#211d23;cursor:zoom-in}
.driving-frame img{width:100%;height:auto;aspect-ratio:1744/384}
.driving-frame .zoom-label{font-size:10px;color:#fff;background:#211d23db}
.driving-note{font-size:11px;color:#cbbbc6;line-height:1.8;margin-top:20px;max-width:940px}
@media(max-width:640px){.driving-gallery{padding:14px;margin-bottom:32px}.driving-heading{display:block}.driving-heading h3{font-size:21px}.driving-count{display:block;margin-top:10px}.driving-toolbar{flex-wrap:wrap}.driving-scene figcaption{padding:10px;display:block}.driving-scene figcaption>span{display:block;margin-top:4px}.driving-scene h4{font-size:14px}.driving-columns{font-size:8px;line-height:1.3}.driving-frame .zoom-label{font-size:8px;padding:3px 5px}.driving-note{font-size:10px}}
.driving-scene h4{color:#f4edf1}

/* Native, independent playback for the three driving scenes. */
.driving-gallery{margin-top:42px;margin-bottom:0}
.driving-video{display:block;width:100%;height:auto;aspect-ratio:1744/384;background:#151216}

/* Compact the gap left by removal of the Method section. */
#overview{padding-bottom:32px}
#results{padding-top:32px}
.citation-placeholder{min-height:120px}
.citation-placeholder pre{padding:0}
@media(max-width:640px){#overview{padding-bottom:24px}#results{padding-top:24px}}