@font-face{font-family:Inter;src:url("inter-latin.woff2") format("woff2");font-style:normal;font-weight:400 700;font-display:swap}
:root{--ink:#333;--secondary:#606060;--accent:#b94424;--author-color:#6b7280;--affiliation-color:#52525b}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:#fff;color:var(--ink);font:400 16px/1.7 Inter,Arial,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{font-family:inherit;line-height:1.3;color:var(--ink)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
button,select{font:inherit;color:inherit}button{cursor:pointer}
a:focus-visible,button:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.container{width:92%;margin-inline:auto}
.page-header{width:92%;margin-inline:auto;padding:clamp(30px,4vw,60px) 0 32px;text-align:center}
.page-header .paper-title{max-width:1360px;margin:0 auto;font-size:clamp(26px,3.2vw,48px);font-weight:700;line-height:1.25;letter-spacing:-.025em;text-wrap:balance;overflow-wrap:break-word}
.author-list{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 28px;list-style:none;margin:26px auto 0;padding:0;max-width:1200px;font-size:19px;line-height:1.6;color:var(--author-color)}
.author-list a{color:inherit}.author-list a:hover{color:#4b5563}.author-list li{white-space:nowrap}.author-list sup,.affiliation-list sup{font-size:.7em;line-height:0;vertical-align:super;margin-left:3px}
.affiliation-list{list-style:none;display:flex;flex-direction:column;align-items:center;gap:5px;margin:15px auto 0;padding:0;font-size:16px;line-height:1.6;color:var(--affiliation-color);max-width:1200px}
.author-note{margin:10px auto 0;color:var(--author-color);font-size:13px;line-height:1.5}
.affiliation-list li{max-width:100%;overflow-wrap:break-word}.affiliation-list a{color:inherit}.affiliation-list sup{margin:0 5px 0 0}
.paper-links{display:flex;justify-content:center;gap:12px;margin-top:28px}
.button{display:inline-flex;align-items:center;justify-content:center;min-width:96px;min-height:42px;padding:8px 22px;background:#363636;color:#fff;border:1px solid #363636;border-radius:22px;font-size:15px;font-weight:600}
.button:hover{background:#505050;text-decoration:none}
.button.paper-unavailable,.button.paper-unavailable:hover{background:#f1f1f1;color:#777;border-color:#ddd;cursor:default}.button-outline{background:#fff;color:#363636}.button-outline:hover{background:#f5f5f5}
.page-header nav{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;margin-top:24px;font-size:14px}.page-header nav a{color:var(--secondary)}
.skip-link{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link:focus{position:fixed;top:12px;left:12px;width:auto;height:auto;padding:8px 14px;margin:0;overflow:visible;clip:auto;background:#fff;z-index:10}
main section{margin-bottom:clamp(48px,5vw,76px)}
h2{font-size:clamp(26px,2.2vw,32px);font-weight:700;text-align:center;margin-bottom:22px;letter-spacing:-.025em}
h3{font-size:18px;font-weight:600}

.overview-section{margin-bottom:48px}
.video-card{min-width:0;text-align:center;break-inside:avoid;page-break-inside:avoid}
.video-card video{display:block;width:100%;height:auto;object-fit:contain;background:#111;border-radius:4px}.video-card h3{margin-bottom:12px}
.featured video{aspect-ratio:16/9}.print-poster{display:none}
.caption,figcaption{font-size:14px;line-height:1.6;color:var(--secondary);text-align:center;margin-top:12px}
.abstract-section{width:min(100%,1000px);margin-inline:auto}.abstract-section>p{text-align:justify}
.media-controls{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;margin:0 0 24px;font-size:14px}.media-controls label{color:var(--secondary)}
select,.small-button{min-height:36px;padding:5px 12px;border:1px solid #d9d9d9;border-radius:5px;background:#fff;font-size:14px}.small-button{font-weight:600}.small-button:hover{background:#f6f6f6}
.comparison-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(14px,1.5vw,28px)}.comparison-grid video{aspect-ratio:9/5}
.comparison-grid[data-view=first_person] video,.comparison-grid[data-view=third_person] video{aspect-ratio:9/8}.comparison-grid[data-view=topdown_occupancy] video{aspect-ratio:1020/886}
.accent{color:var(--accent)}.subsection-title{text-align:center;font-size:clamp(22px,1.8vw,26px);margin:44px 0 22px}
.long-video-frame{width:100%;margin-inline:auto}.long-video-frame.portrait{width:68%}
.media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 24px}.subgoal-grid{margin-top:28px}.media-grid video{aspect-ratio:9/5}.benchmark-grid{margin-top:32px}
.paper-figure{text-align:center;break-inside:avoid;page-break-inside:avoid}.paper-figure a{display:block}.paper-figure img{display:block;width:100%;height:auto;object-fit:contain;margin-inline:auto}.paper-figure figcaption a{display:inline}.comparison-figure{margin-top:36px}

.status-message{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);max-width:min(520px,90vw);padding:10px 16px;background:#333;color:#fff;border-radius:5px;z-index:20;display:none;font-size:14px;text-align:center}.status-message.visible{display:block}
@media(max-width:800px){.comparison-grid{grid-template-columns:1fr;gap:26px}.long-video-frame.portrait{width:100%}}
@media(max-width:600px){.author-list{font-size:17px;gap:10px 20px;margin-top:22px}.affiliation-list{font-size:14px;margin-top:13px}.page-header{padding-bottom:26px}.paper-links{margin-top:22px}.page-header nav{gap:20px;margin-top:21px}.abstract-section>p{text-align:left}.media-grid{grid-template-columns:1fr;gap:25px}.subsection-title{margin-top:35px}.media-controls{gap:8px}.benchmark-grid{margin-top:26px}.comparison-figure{margin-top:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{
@page{size:A4;margin:14mm}
html{scroll-behavior:auto}body{font-size:11pt;line-height:1.5;background:#fff;color:#222}
.container,.page-header{width:100%;max-width:none}.page-header{padding:0 0 8mm}.page-header .paper-title{font-size:22pt}.author-list{font-size:12pt;margin-top:5mm;gap:3mm 5mm}.affiliation-list{font-size:10pt;margin-top:3mm}
.page-header nav,.media-controls,.skip-link,.status-message,.paper-links{display:none!important}
main section{margin-bottom:9mm}h2{font-size:18pt;margin-bottom:5mm;break-after:avoid;page-break-after:avoid}h3,.subsection-title{break-after:avoid;page-break-after:avoid}.abstract-section{break-inside:avoid;page-break-inside:avoid}
video{display:none!important}.print-poster{display:block;width:100%;height:auto;max-height:190mm;object-fit:contain}
.video-card,.paper-figure,.comparison-grid,.media-grid{break-inside:avoid;page-break-inside:avoid}.comparison-grid{gap:4mm;grid-template-columns:repeat(3,minmax(0,1fr))}.media-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:5mm}.video-card h3{font-size:11pt}
.paper-figure img{max-height:190mm;width:100%;height:auto;object-fit:contain}.caption,figcaption{font-size:9pt}.abstract-section>p{text-align:left}.long-video-frame,.long-video-frame.portrait{width:100%}a{color:inherit;text-decoration:none}
}