@font-face{font-family:Archive Serif;src:url(fonts/source-serif-roman.woff2);font-weight:200 900;font-display:swap}
@font-face{font-family:Archive Serif;src:url(fonts/source-serif-italic.woff2);font-style:italic;font-weight:200 900;font-display:swap}
@font-face{font-family:Archive Sans;src:url(fonts/source-sans.woff2);font-weight:200 900;font-display:swap}
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/* Section links keep room for navigation; entry reveals the page completely. */
#project{scroll-margin-top:-80px}
@media(max-width:650px){#project{scroll-margin-top:-105px}}
/* One opening layer, followed by ordinary document flow. */
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.annotation-section{display:grid;grid-template-columns:1fr 3fr;gap:48px;align-items:center;padding-bottom:40px}.annotation-intro h2{font-size:28px;line-height:1.2}.annotation-intro>p:last-child{font-size:14px;color:var(--muted);margin-top:15px;max-width:235px}.annotation-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.annotation-strip img{height:180px;width:100%;object-fit:contain;background:#f7f5ed}.annotation-strip figcaption{font:12px var(--mono);margin-top:10px;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:40px;border-top:1px solid var(--ink);padding:38px 0 50px}.footer-identity>span{font:42px var(--serif);letter-spacing:-.04em}.footer-identity p{font-size:14px;line-height:1.5;margin-top:9px}.footer-resources{display:flex;gap:23px;flex-wrap:wrap;max-width:450px;align-content:start;justify-content:flex-end}.footer-resources>a{font-size:14px}.footer-resources>p{font-size:12px;color:var(--muted);text-align:right;flex:100%}dialog{width:min(1100px,94vw);max-height:90svh;padding:30px;border:1px solid var(--line);background:var(--paper);color:var(--ink)}dialog::backdrop{background:#11292bd6;backdrop-filter:blur(4px)}.dialog-header{display:flex;justify-content:space-between;align-items:start;gap:20px;margin-bottom:22px}.dialog-header h2{font-size:29px}.dialog-header button{font-size:28px;line-height:1;padding:4px 10px}.dialog-photos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.dialog-photos img{width:100%;height:300px;object-fit:contain;background:#e9ede7}.dialog-photos figcaption{font-size:12px;margin-top:10px;color:var(--muted);overflow-wrap:anywhere}.dialog-photos figcaption a{display:block;font-size:11px;margin-top:5px}.dialog-bottom{display:flex;justify-content:space-between;gap:20px;font-size:13px;margin-top:23px}.noscript-note{position:relative;background:var(--paper);padding:25px}.loading-message{padding:80px 10px;font-size:15px;color:var(--muted)}
@media(min-width:1600px){.contact-image{height:225px}.comparison-viewer{height:420px}}
@media(max-width:1000px){.page-width{width:calc(100% - 56px)}.site-nav{padding:16px 28px}.section-head h2{font-size:32px}.scale-strip{gap:22px}.contact-sheet{gap:20px 15px}.contact-image{height:168px}.collection-strip{grid-template-columns:repeat(3,minmax(0,1fr))}.archive-detail{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}.photo-panel{padding:15px}.source-photo{height:225px}.gesture{display:none}.viewer-controls{justify-content:flex-end}.comparison-viewer{height:320px}.method-headings>div>span:last-child{font-size:11px}.annotation-section{gap:25px;grid-template-columns:1fr 2.5fr}.annotation-strip img{height:130px}.intro-title h2{font-size:44px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

@media(max-width:650px){.comparison-viewer{grid-template-columns:1fr;grid-template-rows:1fr 1fr;height:550px}.compare-pane+div{border-left:0;border-top:1px solid var(--line)}.pane-label{font-size:12px;left:12px;top:8px}}

/* Released COLMAP viewer: all photographs and cameras, one full-size 3D stage. */
.point-size{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--muted)}.point-size input{width:62px;accent-color:var(--accent)}
#photo-strip{position:relative;overflow-x:auto;scrollbar-width:thin;padding:3px 1px 7px;gap:5px;scroll-behavior:auto}#photo-strip button{flex:0 0 52px;width:52px}#photo-strip img{height:43px;object-fit:contain}
.photo-navigation{display:flex;align-items:center;justify-content:space-between;margin-top:12px;font-size:11px;color:var(--muted)}.photo-navigation button{padding:1px 9px;margin-left:4px;font-size:16px}
.view-photo{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;min-height:44px;padding:10px 12px;margin-top:12px;border:1px solid var(--accent);background:var(--accent);color:var(--paper);font-size:14px;font-weight:600}.view-photo:hover:not(:disabled){background:#244c46;border-color:#244c46}.view-photo svg{fill:none;stroke:currentColor;stroke-width:1.6;flex-shrink:0}
@media(max-width:1000px){.viewer-controls .point-size{margin-right:auto}}@media(max-width:650px){.viewer-controls{flex-wrap:wrap;gap:6px}.point-size input{width:55px}.viewer-controls button{font-size:11px}#viewport{height:370px}.viewer-label{font-size:9px;gap:7px}}

/* Compact access to the expanded, curated reconstruction selection. */
#browse-collections{font-size:12px;padding:5px 10px;white-space:nowrap}.archive-top{flex-wrap:wrap}@media(max-width:650px){#browse-collections{margin-top:5px}.archive-top #result-count{flex:initial;margin-left:auto}}
@media(max-width:650px){.collection-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.collection{font-size:12px;line-height:1.25;gap:7px;padding:5px;min-height:56px}.collection img{width:34px;height:44px}}

/* Each contact-sheet entry shows a small sequence, not an isolated object icon. */
.contact-views{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding-top:4px;background:var(--paper)}
.contact-views img{width:100%;height:76px;object-fit:contain;background:#e9ece6;transition:filter .2s}
.contact-item:hover .contact-views img{filter:brightness(1.04)}
.contact-label{padding-top:9px}.contact-sheet{row-gap:24px}
@media(max-width:1000px){.contact-views img{height:62px}}
@media(max-width:650px){.contact-image{height:155px}.contact-views img{height:54px}.contact-sheet{row-gap:20px}.contact-label{padding-top:8px}}

/* Blend a flat cover over the opaque opening; never fade its video group. */
.ambient-fade{position:absolute;inset:0;z-index:1;background:var(--paper);opacity:0;pointer-events:none;will-change:opacity}

.comparison-section{padding-bottom:48px}
@media(max-width:650px){.comparison-section{padding-bottom:32px}}

/* Manuscript abstract, directly below the project introduction. */
.abstract-section{display:grid;grid-template-columns:minmax(140px,.42fr) minmax(0,1.58fr);gap:48px;padding:0 0 82px;align-items:start}
.abstract-section h2{font-size:28px;line-height:1.3}
.abstract-copy{font-size:17px;line-height:1.65}
@media(max-width:1000px){.abstract-section{grid-template-columns:140px minmax(0,1fr);gap:28px}}
@media(max-width:650px){.abstract-section{display:block;padding-bottom:64px}.abstract-section h2{font-size:27px;margin-bottom:16px}.abstract-copy{font-size:16px;line-height:1.65}}

.section-description{font-size:17px;line-height:1.6;margin:0 0 24px}
@media(max-width:650px){.section-description{font-size:16px;margin-bottom:20px}}

/* Capture regime is part of each collection's caption. */
.contact-item{align-self:start}
.contact-label{align-items:flex-start}
.contact-caption,.contact-name,.collection-copy{display:block;min-width:0}
.contact-regime{display:block;margin-top:4px;font-size:12px;line-height:1.3;color:var(--muted)}
.collection-regime{display:block;margin-top:4px;font-size:10px;line-height:1.25;color:var(--muted)}
.dialog-header .dialog-regime{margin-top:8px;font-size:13px;line-height:1.4;color:var(--muted)}
@media(max-width:650px){.contact-regime{font-size:11px}.collection-regime{font-size:10px}}

/* Trainspotting inherits the dataset identity: upright, with five scoped accents. Spotter keeps its heading/table accents. */
:root{--dataset-ink:#a23e25;--spotter-ink:#435da1}
.dataset-accent{color:var(--dataset-ink);font-style:normal}
.name-spotter{font-variant-caps:normal}
.spotter-accent{color:var(--spotter-ink)}
.evaluation-table .spotter-result{background:#e9edf5;color:var(--ink)}
.evaluation-table .spotter-result th{background:#e9edf5}

/* One project and dataset name, with the paper subtitle on deliberate lines. */
.intro-title h2>.title-description{max-width:none;text-wrap:balance}
.title-line{display:block}
#dialog-accession{text-transform:none}
.ambient-paper{margin:20px auto 0;max-width:760px;text-wrap:balance}
.ambient-rule{margin:25px auto 17px}
.ambient-scale{margin-top:0}
@media(max-width:650px){.ambient h1{font-size:clamp(44px,12vw,76px)}.ambient-paper{font-size:clamp(18px,5.2vw,21px);margin-top:18px;max-width:100%}.ambient-rule{margin:22px auto 15px}}

.viewer-controls #cameras[aria-pressed="true"]{border-color:var(--accent);background:#dce5dc}

/* A single row contains every example; arrows, swiping and keyboard move through it. */
.collection-navigation{display:flex;align-items:center;gap:8px;margin-bottom:18px;min-width:0}
.collection-navigation .collection-strip{position:relative;display:flex;flex:1;min-width:0;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;scroll-behavior:smooth;gap:6px;margin:0;padding:3px 0 7px}
.collection-navigation .collection{flex:0 0 auto;display:flex;align-items:center;gap:9px;min-height:62px;padding:6px 10px;white-space:nowrap;font-size:13px;line-height:1.25}
.collection-scroll{flex:0 0 36px;width:36px;height:36px;padding:0;font-size:20px;line-height:1}
@media(max-width:650px){.collection-navigation{gap:6px}.collection-navigation .collection{font-size:12px;padding:6px 8px}}
@media(prefers-reduced-motion:reduce){.collection-navigation .collection-strip{scroll-behavior:auto}}

.collection-navigation .collection:focus-visible{outline-offset:-3px}

/* Publication details use the existing type, color and quiet link treatment. */
.project-authors{margin-top:24px;font-size:17px;line-height:1.5}
.project-authors p{margin:0}.project-authors span{padding:0 9px;color:var(--muted)}
.project-authors a{text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px}.project-authors a:hover{text-decoration-color:currentColor}
.project-affiliation{font-size:15px;color:var(--muted)}
.resource-links,.section-resources{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:15px}
.resource-links{margin-top:22px}.section-resources{margin:-10px 0 25px}
.resource-links a{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;line-height:1.5}
.resource-icon{display:block;width:16px;height:16px;flex:none;object-fit:contain}.resource-icon-hf{width:18px;height:18px}
.collection-bottom .pager{margin-left:auto}
.resource-links a,.section-resources a{text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:5px}
.resource-links a:hover,.section-resources a:hover{text-decoration-color:currentColor}
.citation{border-top:1px solid var(--line);padding:20px 0;margin-bottom:20px;font-size:14px}
.citation h2{font-size:26px;line-height:1.3}.citation pre{overflow-x:auto;padding:18px;background:var(--surface);font:12px/1.6 var(--mono);margin:16px 0 12px}
@media(max-width:650px){.project-authors{font-size:16px;margin-top:20px}.resource-links{gap:12px 20px}}
/* Quiet closing title, separated from the evaluation and naturally wrapped. */
.site-footer{display:block;margin-top:16px;border-top:1px solid var(--line);padding:26px 0 32px;text-align:center}
.site-footer p{margin:0;font:400 15px/1.5 var(--serif);color:var(--muted);text-wrap:balance}
@media(max-width:650px){.site-footer{margin-top:8px;padding:22px 0 28px}.site-footer p{font-size:14px}}

/* The dataset explorer follows the title and authors in the reading order. */
.explorer-invitation{margin:26px 0 28px}
.explore-dataset{display:inline-flex;align-items:center;padding:10px 16px;border:1px solid #aab9af;border-radius:3px;background:#e9eee7;font:500 17px/1.35 var(--sans);text-decoration:none}
.explore-action{color:inherit}
.explore-arrow{display:inline-block;margin-left:12px}
.explore-dataset:hover{border-color:var(--accent);background:#e0e8dd}
.resource-links{align-items:center}
@media(max-width:650px){.explorer-invitation{margin:23px 0 25px}.explore-dataset{font-size:17px}.explore-arrow{margin-left:8px}}

.comparison-controls button[aria-pressed=true]{background:#dfe6dc;border-color:#8d9c91}

.acknowledgments{border-top:1px solid var(--line);padding:28px 0 36px;font-size:15px;line-height:1.6}
.acknowledgments h2{font-size:26px;margin-bottom:16px}
.acknowledgments p+p{margin-top:12px}
@media(max-width:650px){.acknowledgments{padding:24px 0 28px}.acknowledgments h2{font-size:24px}}

.ambient-authorship{margin-top:22px}
.ambient-authors{font-size:18px;line-height:1.5}
.ambient-authors span{padding:0 8px}
.ambient-authors a{text-decoration:none}
.ambient-authors a:hover{text-decoration:underline;text-underline-offset:4px}
.ambient-affiliation{font-size:15px;line-height:1.5;margin-top:2px}
@media(max-width:650px){.ambient-authorship{margin-top:18px}.ambient-authors{font-size:16px}.ambient-affiliation{font-size:14px}}

/* Keep orientation recovery visible over the reconstruction itself. */
.reset-up-overlay{position:absolute;left:12px;bottom:12px;z-index:5;padding:8px 12px;border:1px solid #9caea2;border-radius:3px;background:#f6f7f3f2;color:#20363b;font:500 13px/1.3 var(--sans);box-shadow:0 1px 5px #20363b15}
.reset-up-overlay:hover:not(:disabled){background:#e3ebe0;border-color:#496b60}
.reset-up-overlay:disabled{opacity:.55}

/* Keep desktop video under the gradient in the browser compositor. A near-identity
   backdrop operation prevents separate hardware-overlay promotion on Chromium. */
@media(min-width:651px){.ambient-wash{-webkit-backdrop-filter:brightness(1.0001);backdrop-filter:brightness(1.0001)}}