:root{--ink:#20242b;--muted:#69717e;--line:#e4e7ec;--blue:#3465d9;--pale:#f6f7f9;--physical:#bc5e52;--visual:#a87824;--human:#267b72;--radius:9px;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:#fff}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid #3465d966;outline-offset:4px}button:disabled{cursor:default;opacity:.5}[hidden]{display:none!important}.page-width{max-width:1220px;margin-inline:auto;padding-inline:30px}.narrow-width{max-width:850px;margin-inline:auto;padding-inline:30px}.skip{position:fixed;top:-80px;left:16px;padding:12px 20px;background:var(--ink);color:white;z-index:100}.skip:focus{top:12px}.site-header{height:70px;border-bottom:1px 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@media(max-width:720px){.site-header{height:61px}.nav-wrap{padding-inline:20px;gap:15px}.nav-links{gap:17px;font-size:12px;margin-left:auto;margin-right:0}.code-link{display:none}.brand{font-size:23px}.hero{padding-top:47px;padding-bottom:48px}.title-grep{font-size:66px;letter-spacing:-3.5px;margin:0 0 23px}.title-expansion{font-size:clamp(27px,5.7vw,36px);line-height:1.21;letter-spacing:-.9px}.hero-description{font-size:13px;line-height:1.75;margin:22px auto 25px;max-width:340px}.desktop-break{display:none}.page-width{padding-inline:18px}.section-top{display:block;margin-bottom:18px}.section-top h2{font-size:23px;max-width:330px}.demo-badge{margin-top:12px;font-size:9px}.section-top .eyebrow{font-size:8px}.demo-shell{display:block}.scene-stage{height:360px}.scene-toolbar{height:49px}.scene-label{font-size:11px}.segmented button{padding:5px 9px;font-size:10px}.scene-caption{font-size:8px}.scene-caption #scene-hint{max-width:95px;text-align:right}.scene-bottom{height:49px;padding-inline:10px}.view-buttons{gap:4px}.view-buttons button{font-size:10px}.view-buttons svg{width:13px}.annotation-toggle{font-size:9px}.finding-panel{border-left:0;border-top:1px solid var(--line);padding:20px}.panel-heading{display:flex;justify-content:space-between;gap:10px;align-items:center}.panel-heading h3{font-size:15px}.panel-heading>span{font-size:9px}.finding-list{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:16px 0}.finding-row{display:block;text-align:left;position:relative;padding:10px 7px}.finding-number{width:auto;height:auto;background:transparent;display:block;text-align:left;margin-bottom:8px}.finding-row small{font-size:6px;letter-spacing:0;margin-bottom:5px}.finding-row strong{font-size:10px;line-height:1.3;white-space:normal}.finding-arrow{position:absolute;right:9px;top:7px;font-size:11px}.evidence-image{height:190px}.detail-kicker{font-size:10px}.issue-status{font-size:9px}.evidence-detail h4{font-size:15px}.evidence-detail p{font-size:12px}.text-button{font-size:11px}.demo-footnote{display:block;font-size:9px}.demo-footnote>span{display:block;margin-top:5px}.abstract-section{padding:55px 25px 35px}.abstract-section h2{font-size:25px}.abstract-section p{font-size:14px}.abstract-section .secondary-copy{font-size:13px}.principle-grid{grid-template-columns:1fr;gap:28px}.principle,.principle:first-child,.principle:last-child{padding:0 0 25px 52px;border-right:0;border-bottom:1px solid var(--line);position:relative}.principle svg{position:absolute;left:0;top:0;width:30px}.principle h3{margin-top:0;font-size:17px}.principle p{max-width:none;font-size:12px}.principles{padding-top:20px;padding-bottom:15px}.method{padding-top:32px;padding-bottom:40px}.method h2,.explore h2{font-size:24px;line-height:1.25}.method-grid{grid-template-columns:repeat(2,1fr);gap:30px 25px;padding-top:0}.method-grid article:after{display:none}.method-grid p{font-size:12px}.explore{display:block;padding-block:32px}.explore-links{width:100%;margin-top:15px}.explore-links a{font-size:12px}footer{gap:15px}footer p{max-width:180px;font-size:9px;line-height:1.5}footer>a:last-child{font-size:10px}.hotspot{width:29px;height:29px;font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* Match the captured instances inside the 3D viewport. */
.scene-caption{color:#c3c8ce}.scene-stage,.evidence-image{background:#363739}

.inspection-bar{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:16px 19px;background:#f5f9fa;border:1px solid #e0eaeb;border-radius:7px;margin-bottom:12px}.inspector-identity{display:flex;gap:12px;align-items:center}.inspector-identity svg{width:31px;height:31px;stroke:#267b82;fill:none;stroke-width:1.5;flex-shrink:0}.inspector-identity strong{display:block;font-size:12px;color:#267b82;margin-bottom:4px}.inspector-identity span{display:block;font-size:11px;line-height:1.5;color:#667580}.tour-button{flex-shrink:0;background:#267b82;border:0;border-radius:5px;color:white;padding:10px 13px;display:flex;gap:9px;align-items:center;font-size:11px}.tour-button:disabled{opacity:.5}.inspection-progress{display:flex;gap:24px;padding:1px 4px 14px;font-size:10px;color:#969fa8}.inspection-progress span{position:relative}.inspection-progress span:not(:last-child):after{content:'→';position:absolute;right:-17px;color:#c0c7cd}.inspection-progress span.active{color:#267b82;font-weight:600}.demo-footnote>a{color:#697d88;white-space:nowrap}@media(max-width:720px){.inspection-bar{padding:12px;gap:10px;align-items:flex-start}.inspector-identity{gap:8px}.inspector-identity svg{width:25px}.inspector-identity span{font-size:10px}.inspector-identity strong{font-size:11px}.tour-button{font-size:9px;padding:8px;gap:5px;max-width:105px;line-height:1.4}.inspection-progress{gap:20px;font-size:9px}.inspection-progress span:not(:last-child):after{right:-14px}.demo-footnote>a{display:inline-block;margin-top:5px}}

.camera-label{position:absolute;left:0;top:0;transform:translate(-50%,-100%);pointer-events:none;display:flex;align-items:center;gap:6px;padding:6px 9px;background:#246d78ec;color:white;border:1px solid #79cbd480;box-shadow:0 3px 12px #0003;border-radius:5px;font-size:10px;white-space:nowrap;z-index:3}.camera-label svg{width:16px;height:13px;stroke:currentColor;fill:none;stroke-width:1.4}.camera-label:after{content:"";position:absolute;left:50%;bottom:-5px;width:8px;height:8px;transform:translateX(-50%) rotate(45deg);background:#246d78}.camera-label.moving{background:#1b7d8a;box-shadow:0 0 0 4px #56bdca22,0 4px 16px #0003}.evidence-image{height:158px}@media(max-width:720px){.camera-label{font-size:8px;padding:5px 6px;gap:4px}.camera-label svg{width:13px}.evidence-image{height:190px}}

/* Research masthead: a clear title, then direct access to the work. */
.research-links{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin:0 auto;max-width:720px}
.research-links a{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:43px;padding:10px 19px;border:1px solid #303638;border-radius:999px;background:#303638;color:#fff;font-size:14px;font-weight:500;line-height:1.4;transition:background .15s,border-color .15s}
.research-links a:hover{background:#205e5c;border-color:#205e5c}
.research-links svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}
.hero-scroll{display:inline-flex;align-items:center;gap:10px;margin-top:35px;padding:7px 2px;font-size:12px;color:#788087;transition:color .15s}
.hero-scroll:hover{color:#205e5c}
.hero-scroll svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:720px){.research-links{gap:8px;max-width:350px}.research-links a{min-height:41px;font-size:12px;padding:10px 15px;gap:7px}.research-links svg{width:16px;height:16px}.hero-scroll{margin-top:27px;font-size:11px}}
@media(max-width:420px){.research-links{display:grid;grid-template-columns:1fr 1fr;max-width:285px;gap:8px}.research-links a{padding-inline:13px}.title-grep{font-size:62px}.title-expansion{font-size:28px}.hero-description{font-size:12px}}