@font-face{font-family:SiteSans;src:local('Inter'),local('Arial');font-display:swap}
:root{color-scheme:dark;--ink:#f6f6f7;--muted:#a7aaae;--line:#2a2d30;--paper:#050607;--panel:#101214;--accent:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);background:var(--paper);font-family:SiteSans,Arial,sans-serif;font-size:17px;line-height:1.65}button,select{font:inherit;border-radius:0}button,a,select{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}a:focus-visible,button:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid #fff;outline-offset:5px}img,video{max-width:100%;display:block}h1,h2,h3,h4,p,figure{margin:0}h1,h2,h3,h4{line-height:1.15;letter-spacing:-.04em}p{overflow-wrap:break-word}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:-90px;left:20px;z-index:99;background:#fff;color:#050607;padding:10px 20px}.skip:focus{top:10px}.eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;line-height:1.5}
.resource-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.button{display:inline-flex;gap:8px;align-items:center;justify-content:center;padding:11px 19px;font-size:14px;line-height:1.4;font-weight:600;border:1px solid transparent;transition:background .18s,color .18s}.button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}.button-light{background:#fff;color:#101214}.button-light:hover:not(:disabled){background:#d8dadd}.button-glass{border-color:#6b7075;color:#fff;background:#1012147d;backdrop-filter:blur(8px)}.button-glass:hover{background:#25292d}.button-outline{border-color:#62666b;color:var(--ink);background:transparent}.button-outline:hover:not(:disabled){background:#25292d}.quiet-button{color:#fff;background:transparent;border:1px solid #758590;font-size:12px;padding:5px 13px;letter-spacing:.02em}
.people{max-width:1130px;margin-bottom:34px}.authors{font-size:15px;line-height:1.95;color:#f3f6f8;letter-spacing:0}.authors>span{margin:0 9px;color:#889096}sup{font-size:.68em;margin-left:2px;color:#bbc3c9;position:relative;top:-.1em}.affiliations{font-size:12px;line-height:1.7;color:#bdc3c8;display:flex;flex-wrap:wrap;gap:4px 18px;margin-top:13px}.authors>.author-break-dot{display:none}
.nav-shell{position:sticky;top:0;z-index:20;background:#050607ed;backdrop-filter:blur(15px);border-bottom:1px solid var(--line)}nav{max-width:1440px;margin:auto;padding:20px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px}.nav-brand{font-size:21px;font-weight:700;letter-spacing:-.055em;white-space:nowrap}.nav-brand span{color:#bbb;font-weight:400}.nav-links{display:flex;gap:30px;font-size:14px;color:var(--muted)}.nav-links a:hover,.nav-links a.active{color:#fff}.nav-paper{font-size:13px;white-space:nowrap;border-bottom:1px solid #aaa}
.section{max-width:1360px;margin:auto;padding:96px 48px}.section+.section{border-top:1px solid #1b1e20}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:38px;border-bottom:1px solid var(--line);padding-bottom:17px}.section-heading>span{font-size:13px;color:var(--muted)}.overview-film video{width:100%;aspect-ratio:16/9;background:#000}.intro-copy,.results-heading{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:start}.intro-copy{margin-top:62px}.intro-copy h3,.results-heading h3{font-size:clamp(32px,3.8vw,52px);font-weight:500;line-height:1.14}.intro-copy h3 span,.results-heading h3 span{color:#afb2b7}.intro-copy p,.results-heading>p{color:#b9bdc2;line-height:1.8;font-size:16px}.text-link{display:inline-flex;align-items:center;gap:20px;font-size:14px;font-weight:600;border-bottom:1px solid #888;padding:3px 0;margin-top:24px;color:#fff}.text-link:hover{border-color:#fff}
.paper-figure{background:#fff;padding:20px 18px}.paper-figure img{height:auto;width:100%}.contributions{display:grid;grid-template-columns:repeat(3,1fr);gap:38px;margin-top:44px}.contributions article{border-top:1px solid #52565b;padding-top:20px}.contribution-number{font-size:12px;color:#949a9f;letter-spacing:.12em}.contributions h3{font-size:25px;font-weight:500;line-height:1.3;margin:20px 0 16px}.contributions p{font-size:14px;line-height:1.85;color:#b2b6bc}
.table-heading,.viewer-heading{margin-bottom:25px}.table-heading h3,.viewer-heading h3{font-size:30px;font-weight:500}.table-heading p,.viewer-heading p{font-size:14px;color:var(--muted);margin-top:10px}.table-wrap{overflow-x:auto;border:1px solid var(--line);scrollbar-color:#62666b #101214}table{width:100%;min-width:900px;border-collapse:separate;border-spacing:0;font-size:13px;text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}th,td{padding:14px 12px;border-bottom:1px solid var(--line)}th:first-child{text-align:left}thead th{background:#191c1f;font-size:11px;font-weight:500;color:#c1c5c9;vertical-align:middle}thead th small{display:block;color:#a1a7ad;font-size:10px;margin-top:3px}tbody th{font-weight:400;color:#e5e6e8}tbody td{color:#b7bbc0}tbody strong{color:#fff;font-weight:750}tbody th:first-child,thead th:first-child{position:sticky;left:0;background:#0a0c0e;z-index:1}thead th:first-child{background:#191c1f}.table-group th:first-child{position:static;padding:9px 12px;background:#151719;color:#a0a6ac;font-size:10px;font-weight:500;letter-spacing:.07em;text-transform:uppercase}.ours-row td,.ours-row th:first-child{background:#282c30;color:#fff}.ours-row th:first-child{font-weight:700}tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}.table-note,.comparison-note,.results-note{font-size:12px;line-height:1.8;color:#a2a7ad}.table-note{margin-top:16px;max-width:1050px}
.comparison-viewer{margin-top:72px}.comparison-controls{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;padding:22px 0;margin-bottom:30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.case-picker{display:flex;flex-direction:column;gap:9px}.case-picker label{font-size:11px;letter-spacing:.08em;color:#aaaeb4}select{border:1px solid #54595e;padding:10px 34px 10px 12px;background:#14171a;color:#fff;font-size:14px;min-height:41px}.case-picker select{min-width:260px}.comparison-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.comparison-actions .button{min-height:41px}.speed-control{font-size:12px;display:flex;align-items:center;gap:9px;margin-left:9px;color:#b8bdc2}.speed-control select{padding:8px;font-size:12px}
.comparison-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:24px}.method-card{background:#0c0e10;border:1px solid #2a2e32;min-width:0;grid-column:span 2}.method-card.interaction-method{grid-column:span 3}.method-card.video-method{grid-column:span 6}.method-card.ours{border-color:#7d868d}.method-card-header{padding:17px 19px;display:flex;justify-content:space-between;gap:16px;align-items:center}.method-card h4{font-size:17px;font-weight:500;letter-spacing:-.025em}.method-category{font-size:10px;color:#a1a7ad;line-height:1.5;max-width:140px;text-align:right}.ours .method-category{color:#fff;text-transform:uppercase;letter-spacing:.1em}.method-streams{display:grid;grid-template-columns:minmax(0,1fr);gap:1px;background:#2a2e32}.video-method .method-streams{grid-template-columns:repeat(2,minmax(0,1fr))}.method-streams figure{min-width:0;background:#0c0e10}.method-streams video{width:100%;aspect-ratio:16/9;object-fit:contain;background:#000}.method-streams figcaption{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#b4bac0;padding:10px 16px}.method-actions{display:flex;gap:8px;padding:12px 16px 17px}.method-actions button{font-size:11px;border:1px solid #4b5259;padding:7px 12px;background:transparent;color:#f2f3f4}.method-actions button:first-child{background:#e9ecef;color:#111315;border-color:#e9ecef}.method-actions button:hover:not(:disabled){border-color:#fff}.comparison-note{margin-top:25px;max-width:970px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:48px 0 30px}.stats article{border-top:1px solid #52575e;padding-top:24px}.stats strong{font-size:72px;font-weight:450;letter-spacing:-.065em;line-height:1.3}.stats strong span{font-size:25px;margin-left:4px;letter-spacing:-.02em;color:#aaaeb4}.stats h4{font-size:16px;font-weight:600;letter-spacing:0;margin:12px 0}.stats p{font-size:13px;color:#acb1b7;line-height:1.8}.results-note{max-width:900px}.citation-section{background:#0c0e10;border-top:1px solid var(--line)}.citation-heading{display:flex;justify-content:space-between;gap:25px;align-items:center;margin:30px 0}.citation-heading h2{font-size:36px;font-weight:500}.citation-heading .button{white-space:nowrap}.citation-section pre{padding:25px 30px;background:#16191c;overflow-x:auto;font-size:13px;line-height:1.7;border-left:2px solid #a5adb4;tab-size:2;color:#c5cbd1}.copy-status{min-height:1.4em;font-size:12px;color:#c5cbd1}footer{display:flex;gap:25px;align-items:center;flex-wrap:wrap;max-width:1360px;margin:auto;padding:34px 48px;font-size:12px;color:#a9afb5}footer>span{flex:1}footer a:hover{color:#fff}.error{color:#ffd4ce;background:#331b1b;padding:15px;font-size:13px}
@media(max-width:1000px){nav{padding:17px 28px}.nav-links{gap:20px}.section{padding:72px 30px}.intro-copy,.results-heading{gap:38px}.contributions{gap:25px}.contributions h3{font-size:22px}.comparison-controls{align-items:flex-start;flex-direction:column;gap:18px}.method-card-header{align-items:flex-start;flex-direction:column;gap:6px;padding:14px}.method-category{max-width:none;text-align:left}.video-method .method-card-header{flex-direction:row}.comparison-grid{gap:16px}.method-card h4{font-size:16px}.method-actions{padding:12px;gap:6px}.method-actions button{padding:7px 9px}.stats strong{font-size:60px}footer{padding:30px}}
@media(max-width:650px){html{scroll-padding-top:118px}body{font-size:16px}.button{font-size:12px;padding:10px 13px}.authors{font-size:12px;line-height:2}.authors br{display:none}.authors>span{margin:0 5px}.authors>.author-break-dot{display:inline}.affiliations{font-size:10px;gap:5px 12px;margin-top:16px}.nav-shell nav{padding:15px 20px;gap:12px;flex-wrap:wrap}.nav-brand{font-size:20px}.nav-links{order:3;width:100%;justify-content:space-between;gap:14px;font-size:12px;padding-top:5px}.nav-paper{margin-left:auto;font-size:12px}.section{padding:55px 20px}.section-heading{margin-bottom:27px;align-items:flex-start;gap:12px}.section-heading>span{font-size:10px;text-align:right;max-width:150px}.section-heading .eyebrow{font-size:11px;letter-spacing:.1em;white-space:nowrap}.intro-copy,.results-heading{grid-template-columns:1fr;gap:25px}.intro-copy{margin-top:38px}.intro-copy h3,.results-heading h3{font-size:34px}.intro-copy p,.results-heading>p{font-size:15px}.paper-figure{padding:8px}.contributions{grid-template-columns:1fr;gap:30px;margin-top:32px}.contributions h3{font-size:24px;margin-top:13px}.contributions p{font-size:14px}.table-heading h3,.viewer-heading h3{font-size:27px}.table-heading p,.viewer-heading p{font-size:12px}.table-wrap{margin-right:0}table{font-size:12px}th,td{padding:12px 10px}.table-note,.comparison-note,.results-note{font-size:11px}.comparison-viewer{margin-top:48px}.comparison-controls{margin-bottom:22px}.case-picker,.case-picker select{width:100%;min-width:0}.comparison-actions{gap:8px;width:100%}.comparison-actions .button{padding:10px 12px}.speed-control{margin-left:auto;gap:6px;font-size:11px}.speed-control select{padding:7px}.comparison-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.method-card,.method-card.interaction-method,.method-card.video-method{grid-column:span 2}.method-card-header,.video-method .method-card-header{flex-direction:row;align-items:center;padding:14px}.method-card h4{font-size:16px}.method-category{font-size:9px;max-width:125px;text-align:right}.method-streams figcaption{font-size:9px;padding:9px 10px}.method-actions{padding:12px 14px 15px}.method-actions button{font-size:11px;padding:7px 13px}.stats{grid-template-columns:1fr;gap:22px;margin:32px 0 25px}.stats article{display:grid;grid-template-columns:132px 1fr;gap:0 12px;align-items:center;padding-top:18px}.stats strong{grid-row:span 2;font-size:49px}.stats strong span{font-size:16px}.stats h4{font-size:14px;margin:6px 0}.stats p{font-size:11px}.citation-heading{align-items:flex-start}.citation-heading h2{font-size:28px}.citation-section pre{font-size:11px;padding:17px 16px}footer{padding:25px 22px;gap:20px}footer>span{order:3;flex-basis:100%;font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* One viewport per method, with synchronized RGB/motion layers. */
.opening-copy .resource-links .button-light{border-radius:12px;padding:12px 23px;gap:10px;box-shadow:0 3px 18px #0003}
.opening-copy .resource-links .button-light svg{width:19px;height:19px}
.comparison-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.comparison-grid .method-card{grid-column:auto;display:flex;flex-direction:column}
.comparison-grid .method-card-header{min-height:96px;padding:14px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:7px}
.comparison-grid .method-card h4{font-size:16px;line-height:1.3}
.comparison-grid .method-category{max-width:none;text-align:left;font-size:10px}
.comparison-grid .method-actions{margin-top:auto;padding:12px;gap:7px}
.comparison-grid .method-actions button{padding:7px 9px;font-size:10px}
.wipe-player{--split:50%;position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:#000;isolation:isolate}
.wipe-player video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;pointer-events:none;background:#000}
.wipe-player .wipe-motion{z-index:0}
.wipe-player .wipe-rgb{z-index:1;clip-path:inset(0 calc(100% - var(--split)) 0 0)}
.wipe-label{position:absolute;top:9px;z-index:2;font-size:9px;line-height:1.2;color:#fff;text-shadow:0 1px 5px #000,0 1px 3px #000;pointer-events:none}
.wipe-label-left{left:9px}.wipe-label-right{right:9px}
.wipe-divider{position:absolute;top:0;bottom:0;left:var(--split);width:2px;transform:translateX(-50%);background:#fff;box-shadow:0 0 3px #0007;z-index:3;pointer-events:none}
.wipe-handle{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:27px;height:27px;border-radius:50%;border:1px solid #fff;background:#111c;color:#fff;font-size:18px;line-height:1}
.wipe-slider{position:absolute;inset:0;z-index:4;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;touch-action:pan-y}
.wipe-player:has(.wipe-slider:focus-visible){outline:2px solid #fff;outline-offset:3px}
.results-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.result-card{min-width:0;border:1px solid #2a2e32;background:#0c0e10}
.result-card-header{display:flex;align-items:center;gap:14px;padding:18px 20px;min-height:76px}
.result-number{font-size:11px;color:#90979f;letter-spacing:.08em}
.result-card h3{font-size:18px;font-weight:500;line-height:1.35}
.result-card .wipe-label{font-size:11px;top:12px}.result-card .wipe-label-left{left:12px}.result-card .wipe-label-right{right:12px}
.result-card .wipe-handle{width:33px;height:33px;font-size:20px}
@media(max-width:1000px){.comparison-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.comparison-grid .method-card-header{min-height:88px}.comparison-grid .method-actions button{font-size:11px}.results-grid{gap:20px}.result-card-header{padding:15px;gap:10px}.result-card h3{font-size:16px}}
@media(max-width:650px){.comparison-grid{gap:12px}.comparison-grid .method-card-header{padding:10px;min-height:98px}.comparison-grid .method-card h4{font-size:13px}.comparison-grid .method-category{font-size:9px}.comparison-grid .method-actions{padding:9px 7px;gap:5px}.comparison-grid .method-actions button{padding:6px 5px;font-size:9px}.wipe-label{font-size:8px;top:6px}.wipe-label-left{left:6px}.wipe-label-right{right:6px}.wipe-handle{width:23px;height:23px;font-size:16px}.results-grid{grid-template-columns:1fr;gap:22px}.result-card-header{min-height:64px}.result-card h3{font-size:17px}}

/* Centered chapter headings, separated by space rather than rules. */
.section+.section{border-top:0}
.section-heading{flex-direction:column;align-items:center;justify-content:center;text-align:center;border:0;padding-bottom:0;margin-bottom:42px;gap:12px}
.section-heading>span{max-width:none;text-align:center}
.intro-copy h3 span{color:inherit;font:inherit}
.nav-links{margin-left:auto}
.citation-section{background:var(--paper);border:0;padding-top:100px;padding-bottom:100px}
.citation-content{max-width:1100px;margin:0 auto}
.citation-section pre{margin:0;padding:30px;background:#111214;border:1px solid #ffffff1f;border-radius:16px;font-size:14px;line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere;color:#dddfe2}
.citation-actions{display:flex;align-items:center;justify-content:flex-end;gap:18px;margin-top:16px}
.citation-actions .copy-status{margin-right:auto}
.citation-actions .button{border-radius:9px;font-size:12px;padding:8px 14px;flex-shrink:0}
.template-credit a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:#777}
@media(max-width:650px){.section-heading{align-items:center;gap:10px;margin-bottom:30px}.section-heading>span{text-align:center;max-width:none}.nav-links{margin-left:0}.citation-section{padding-top:65px;padding-bottom:65px}.citation-section pre{padding:20px 18px;font-size:11px;line-height:1.8}.citation-actions{gap:10px}.citation-actions .copy-status{font-size:10px}}