/* Research narrative: open columns, generous figures, one dark evidence stage. */

.brand-lockup { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.brand-icon { width: 32px; height: 32px; flex: none; object-fit: contain; }
.brand-name { color: var(--ink); font-family: var(--font-body); font-size: 19px; font-weight: 600; letter-spacing: -.04em; }
.brand-name em { font-style: normal; }
.brand-echo { color: var(--echo); }
.brand-sync { color: var(--sync); }
.brand-role { margin-left: 6px; padding-left: 16px; border-left: 1px solid var(--line); color: var(--muted); font: 12px var(--font-mono); }

.metric-system { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 38px; margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--line); }
.metric-card { position: relative; padding: 0; }
.metric-glyph { display: block; width: 28px; height: 28px; margin-bottom: 22px; color: var(--echo); }
.metric-glyph svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }
.metric-glyph .glyph-dashed { stroke-dasharray: 3 3; }
.metric-label { margin: 0 0 14px; color: var(--muted); font: 12px/1.5 var(--font-mono); }
.metric-card h3 { max-width: 26ch; font-size: 20px; font-weight: 500; line-height: 1.4; }
.metric-body { margin: 14px 0 0; color: var(--ink-soft); font-size: 15px; line-height: 1.7; }

/* Research figures are presented at their original proportions. */
.figure-shell, .compact-figure { margin: 56px 0 0; }
.figure-button { position: relative; display: block; width: 100%; padding: 0; border: 1px solid var(--line); background: #fff; cursor: zoom-in; }
.figure-button img { display: block; width: 100%; height: auto; }
.figure-zoom { position: absolute; right: 12px; bottom: 12px; display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--ink); }
.figure-zoom svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; }
.figure-button:hover .figure-zoom { background: var(--ink); border-color: var(--ink); color: #fff; }
.figure-shell figcaption, .compact-figure figcaption { max-width: 900px; padding-top: 16px; color: var(--ink-soft); font-size: 13px; line-height: 1.7; }
.figure-shell figcaption b, .compact-figure figcaption b { margin-right: 10px; color: var(--ink); font: 12px/1.7 var(--font-mono); }
.figure-shell figcaption a, .compact-figure figcaption a { margin-left: 10px; color: inherit; text-decoration: underline; text-underline-offset: 3px; white-space: nowrap; }

/* A compact reference frame above three uncropped outputs in one row. */
.evidence-section { position: relative; background: var(--paper); color: var(--ink); border-block: 1px solid var(--line); }
.evidence-bg { display: none; }
.failure-comparison { max-width: 1180px; margin: 40px auto 0; }
.case-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.case-tab { min-height: 44px; padding: 9px 19px; border: 1px solid var(--line-strong); border-radius: 3px; background: var(--surface); color: var(--ink-soft); font-size: 14px; line-height: 1.5; cursor: pointer; }
.case-tab:hover { border-color: var(--ink); color: var(--ink); }
.case-tab.active { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.failure-console { min-width: 0; }
.failure-outputs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; min-width: 0; max-width: 100%; overflow-x: auto; }
.comparison-scroll-hint { display: none; }
.failure-video { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: 1fr auto; gap: 18px; min-width: 0; padding: 0 0 24px; border-bottom: 1px solid var(--line); }
.failure-video header { display: flex; flex-direction: column; gap: 10px; padding: 4px 0 0; }
.failure-video header span { color: var(--echo); font: 12px/1.5 var(--font-mono); }
.failure-video header h3 { color: var(--ink); font-size: 20px; font-weight: 500; line-height: 1.3; }
.failure-collapse header span, .failure-mismatch header span { color: var(--sync); }
.failure-video video, .failure-video > img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: contain; background: var(--surface); }
.failure-video p { margin: 14px 0 0; color: var(--ink-soft); font-size: 13px; line-height: 1.75; }
.failure-input { grid-template-columns: 160px minmax(0, 1fr); grid-template-rows: auto; align-items: center; gap: 24px; margin-bottom: 24px; padding: 24px 0; }
.failure-input > img { grid-column: 1; grid-row: 1; }
.failure-input .failure-copy { grid-column: 2; grid-row: 1; }
.failure-input header { gap: 6px; padding: 0; }
.failure-input p { margin-top: 6px; }
.failure-input #input-task { color: var(--ink); font-weight: 500; }
.failure-comparison .playback-controls { position: sticky; top: var(--header-h); z-index: 10; padding: 14px 0 10px; border-block: 1px solid var(--line-strong); background: var(--paper); }
.failure-comparison .playback-actions button { min-height: 44px; }
.evidence-note { max-width: 900px; margin: 18px auto 0; color: var(--ink-soft); font-size: 12px; line-height: 1.8; }
.figure-jump { display: flex; align-items: center; gap: 14px; min-height: 44px; margin-top: 12px; color: var(--echo); font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
#figure-3, #figure-4 { scroll-margin-top: 20px; }

/* Three complementary interventions, with consistent editorial numbering. */
.sync-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 56px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.sync-step { min-width: 0; padding: 30px 36px 0; border-left: 1px solid var(--line); }
.sync-step:first-child { padding-left: 0; border-left: 0; }
.sync-step:last-child { padding-right: 0; }
.step-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 26px; }
.step-number { color: var(--sync); font: 36px/1 var(--font-display); }
.step-type { margin: 0; color: var(--sync); font: 12px/1.5 var(--font-mono); }
.sync-step h3 { max-width: 25ch; font-size: 20px; font-weight: 500; line-height: 1.4; }
.sync-step > p:last-child { margin: 16px 0 0; color: var(--ink-soft); font-size: 15px; line-height: 1.75; }
.section-heading.benchmark-heading { align-items: start; }
.benchmark-intro p + p { margin-top: 18px; }

/* Results: summary metrics and the complete paper tables. */
.results-section { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.draft-callout { display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 12px; margin: 44px 0 0; padding-left: 0; color: var(--ink-soft); }
.callout-glyph { margin-top: 3px; color: var(--sync); }
.callout-glyph svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.draft-callout p { max-width: 900px; margin: 0; font-size: 13px; line-height: 1.7; }
.draft-callout strong { color: var(--ink); font-weight: 500; }
.result-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 36px; padding: 36px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.result-card { display: flex; flex-direction: column; padding: 0 32px; border-left: 1px solid var(--line); }
.result-card:first-child { padding-left: 0; border-left: 0; }
.result-card:last-child { padding-right: 0; }
.result-label { margin: 0; color: var(--ink-soft); font: 12px/1.6 var(--font-mono); }
.result-card strong { display: block; margin: 20px 0 24px; color: var(--ink); font: 58px/1.1 var(--font-display); letter-spacing: -.045em; font-variant-numeric: lining-nums tabular-nums; }
.result-card-primary strong { color: var(--echo); }
.result-note-line { display: flex; align-items: center; gap: 8px; margin-top: auto; color: var(--ink-soft); font-size: 12px; line-height: 1.6; }
.dir { display: inline-block; flex: none; color: var(--echo); font-style: normal; }
.dir::before { content: "↓"; }
.dir-up::before { content: "↑"; }
.dir-flat::before { content: "—"; }
.results-layout { margin-top: 44px; }
.result-table-block + .result-table-block { margin-top: 56px; }
.result-table-heading { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 10px 24px; margin-bottom: 14px; }
.result-table-heading h3 { font-size: 26px; font-weight: 500; line-height: 1.4; }
.result-table-heading a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
.result-table-block > .result-note { max-width: 920px; margin-bottom: 20px; }
.result-table-note { max-width: 920px; margin: 16px 0 0; color: var(--ink-soft); font-size: 13px; line-height: 1.8; }
.result-table-block { scroll-margin-top: 20px; }
.result-note { margin: 0; color: var(--ink-soft); font-size: 15px; line-height: 1.8; }
.table-scroll-hint { display: none; margin: 0 0 12px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.table-scroll { overflow-x: auto; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.table-scroll table { width: 100%; min-width: 560px; table-layout: fixed; border-collapse: collapse; font-size: 14px; line-height: 1.5; font-variant-numeric: tabular-nums; }
.table-label-col { width: 28%; }
.table-coverage-col, .table-metric-col { width: 18%; }
.table-scroll th, .table-scroll td { padding: 12px; border-bottom: 1px solid var(--line); text-align: right; }
.table-scroll tbody th, .table-scroll .table-coverage, .table-scroll thead th:nth-child(-n+2) { text-align: left; }
.table-scroll thead th { padding-block: 14px; color: var(--ink-soft); font: 12px/1.5 var(--font-body); vertical-align: bottom; }
.table-scroll tbody th { color: var(--ink); font-weight: 500; }
.table-scroll tbody td, .table-scroll .table-coverage { color: var(--ink-soft); white-space: nowrap; }
.table-scroll .table-coverage { font-weight: 400; }
.table-scroll .table-model { vertical-align: middle; overflow-wrap: anywhere; }
.table-scroll th:first-child { padding-left: 12px; }
.table-scroll tbody:last-child tr:last-child th, .table-scroll tbody:last-child tr:last-child td { border-bottom: 0; }
.table-scroll .model-group + .model-group { border-top: 1px solid var(--line-strong); }
.table-scroll .model-group tr:first-child:not(:last-child) > .table-coverage,
.table-scroll .model-group tr:first-child:not(:last-child) > td { border-bottom: 0; padding-bottom: 7px; }
.table-scroll .model-group tr + tr > * { padding-top: 7px; }
.table-scroll .ours th, .table-scroll .ours td { background: #e8eee6; color: var(--ink); font-weight: 400; }
.table-scroll .ours th { color: var(--echo); font-weight: 600; }
.table-scroll .ours .table-coverage { font-weight: 400; }
.table-scroll td strong { font-weight: 700; color: var(--ink); }

/* A compact ranking of the seven selected main-comparison models. */
.leaderboard { margin-top: 48px; }
.lb-overview, .lb-toolbar, .lb-footer { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.lb-overview { padding-bottom: 22px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--ink-soft); }
.lb-overview strong { color: var(--ink); font-size: 20px; font-weight: 500; }
.lb-overview p > span { margin-inline: 14px; color: var(--line-strong); }
.lb-overview a { text-decoration: underline; text-underline-offset: 4px; }
.lb-toolbar { padding: 16px 0; }
.lb-scope { color: var(--muted); font-size: 12px; }
.lb-rank-mark { display: inline-block; width: 28px; text-align: center; }
.lb-scroll tr:nth-child(-n+3) .lb-rank-mark { font-size: 22px; line-height: 1; vertical-align: middle; }
.lb-toolbar[hidden], .lb-scroll tr[hidden] { display: none; }
.lb-sort { display: flex; align-items: center; gap: 10px; color: var(--ink-soft); font-size: 12px; }
.lb-sort select { min-height: 44px; padding: 9px 28px 9px 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); color: var(--ink); font: inherit; }
.table-scroll.lb-scroll table { min-width: 760px; }
.lb-rank-col { width: 8%; }
.lb-model-col { width: 30%; }
.lb-training-col { width: 17%; }
.lb-metric-col { width: 15%; }
.lb-scroll .lb-rank { text-align: left; font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.lb-scroll th:nth-child(3), .lb-scroll .lb-training { text-align: left; }
.lb-scroll tbody th { font-size: 14px; }
.lb-model-identity { display: flex; align-items: center; gap: 10px; }
.lb-model-credits { display: flex; flex: 0 0 44px; align-items: center; justify-content: center; }
.lb-model-credit { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; flex: none; }
.lb-model-credit img { width: 100%; height: 100%; object-fit: contain; }
.lb-model-credit--wordmark { width: 44px; }
.lb-model-credit svg { width: 100%; height: auto; }
.lb-model-title { min-width: 0; overflow-wrap: anywhere; }
.lb-model-title > a { text-decoration: none; text-underline-offset: 3px; }
.lb-model-title > a:hover { text-decoration: underline; }
.lb-logo-note { margin-top: 8px; color: var(--muted); font-size: 11px; }
.lb-scroll td.lb-primary, .lb-scroll th[aria-sort] { color: var(--ink); }
.lb-scroll th[aria-sort] { font-weight: 600; }
.lb-training span { display: block; color: var(--ink); font-size: 12px; }
.lb-training small { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; }
.lb-ours { display: inline-block; margin-left: 8px; padding: 2px 7px; border: 1px solid var(--line-strong); border-radius: 3px; font-size: 10px; font-weight: 500; vertical-align: middle; }
.lb-scroll tbody tr:hover > * { background: var(--theme-hover); }
.lb-footer { margin-top: 14px; font-size: 11px; color: var(--muted); }

/* Recorded rollout gallery, populated with matched GT and model videos. */
.state-control-section { background: var(--paper); border-top: 1px solid var(--line); }
.demo-gallery { margin-top: 48px; }
.demo-gallery-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding-bottom: 22px; border-bottom: 1px solid var(--line-strong); }
.demo-gallery-heading h3 { font-size: 18px; }
.demo-pending { padding: 5px 10px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); font-size: 11px; }
.demo-comparison { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; padding-top: 24px; }
.demo-slot { min-width: 0; }
.demo-step { color: var(--muted); font: 10px/1.6 var(--font-mono); text-transform: uppercase; letter-spacing: .07em; }
.demo-slot h4 { margin: 7px 0 16px; color: var(--ink); font-size: 15px; font-weight: 500; }
.demo-placeholder { aspect-ratio: 4 / 3; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; border: 1px dashed var(--line-strong); border-radius: 4px; background: var(--theme-hover); color: var(--ink-soft); }
.demo-placeholder-mark { margin-bottom: 12px; color: var(--muted); font: 32px/1 var(--font-display); }
.demo-placeholder p { font-size: 13px; }
.demo-placeholder small { font-size: 11px; color: var(--muted); }
.demo-slot-ours .demo-placeholder { border-style: solid; }
.demo-status { max-width: 850px; margin-top: 22px; color: var(--ink-soft); font-size: 13px; line-height: 1.8; }
@media (max-width: 700px) {
  .leaderboard, .demo-gallery { margin-top: 32px; }
  .lb-overview p > span { margin-inline: 7px; }
  .lb-overview strong { font-size: 18px; }
  .lb-toolbar { align-items: stretch; }
  .lb-sort { width: 100%; justify-content: space-between; }
  .lb-sort select { flex: 1; max-width: 230px; }
  .demo-comparison { grid-template-columns: 1fr; gap: 28px; }
  .demo-placeholder { aspect-ratio: 16 / 9; }
}

.abstract-section { padding-top: 0; }
.abstract-layout { width: min(100%, 880px); margin-inline: auto; }
.abstract-heading { margin-bottom: 36px; text-align: center; }
.abstract-heading h2 { font-size: 44px; }
.abstract-copy { color: var(--ink-soft); font-size: 17px; line-height: 1.9; }
.abstract-copy p { margin: 0 0 20px; }
.abstract-copy p:last-child { margin-bottom: 0; }
.abstract-resources { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--line); }
.abstract-resources > span { color: var(--muted); font: 11px/1.8 var(--font-mono); }
.abstract-resources > div { display: flex; flex-wrap: wrap; gap: 24px; }
.abstract-resources a { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--ink); font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }

.site-footer { padding: 56px 0; background: var(--navy-deep); color: #b2c2b9; }
.footer-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 60px; }
.footer-brand { flex-wrap: wrap; margin: 0; font-size: 25px; }
.footer-tagline { margin: 12px 0 0; color: #9bab9f; font-size: 13px; }
.footer-tagline b { color: #b2c2b9; font-weight: 500; }
.footer-status { display: flex; flex-direction: column; gap: 6px; max-width: 400px; margin-left: auto; color: #9bab9f; font-size: 12px; line-height: 1.8; }
.footer-status strong { color: #d4dfd7; font-weight: 500; }

/* Native dialog remains hidden until explicitly opened by the figure control. */
.figure-dialog { width: min(94vw, 1520px); max-height: 92vh; padding: 18px 24px 24px; overflow: auto; border: 1px solid var(--line); background: #fff; color: var(--ink); }
.figure-dialog::backdrop { background: #07110de6; }
.figure-dialog img { width: 100%; max-height: 73vh; margin-top: 20px; object-fit: contain; }
.figure-dialog p { margin: 18px 0 0; color: var(--ink-soft); font-size: 13px; line-height: 1.7; }
.dialog-close { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; gap: 8px; min-height: 40px; margin-left: auto; padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--ink); font-size: 13px; cursor: pointer; }
.dialog-close:hover { border-color: var(--ink); }
.dialog-close svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; }
.figure-button:focus-visible, .dialog-close:focus-visible { outline: 2px solid var(--echo); outline-offset: 4px; }

@media (max-width: 640px) {
  .table-scroll-hint { display: block; }
}

@media (max-width: 1040px) {
  .metric-system { gap: 26px; }
  .sync-step { padding-right: 24px; padding-left: 24px; }
  .table-scroll table { min-width: 560px; }
}

@media (max-width: 760px) {
  .sync-steps { margin-top: 40px; }
  .metric-system { grid-template-columns: 1fr; gap: 28px; margin-top: 40px; }
  .metric-card { padding-left: 46px; }
  .metric-glyph { position: absolute; left: 0; top: 2px; margin: 0; }
  .metric-card h3 { max-width: none; }
  .metric-label { margin-bottom: 8px; }
  .figure-shell { margin-top: 38px; }
  .failure-comparison { margin-top: 36px; }
  .case-tabs { gap: 8px; margin-bottom: 20px; }
  .case-tab { padding: 9px 15px; font-size: 13px; }
  .failure-outputs { gap: 16px; }
  .failure-video header h3 { font-size: 18px; }
  .failure-video p { margin-top: 8px; }
  .failure-input { grid-template-columns: 120px minmax(0, 1fr); gap: 20px; }
  .failure-comparison .playback-controls { padding-block: 10px; }
  .sync-steps { grid-template-columns: 1fr; }
  .sync-step, .sync-step:first-child, .sync-step:last-child { padding: 26px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .step-head { margin-bottom: 18px; }
  .sync-step h3 { max-width: none; }
  .result-cards { padding: 28px 0; }
  .result-card { padding-right: 18px; padding-left: 18px; }
  .result-card strong { font-size: 40px; }
  .result-label { font-size: 12px; }
  .abstract-heading { margin-bottom: 28px; }
  .abstract-heading h2 { font-size: 38px; }
  .abstract-copy { font-size: 16px; }
  .footer-layout { grid-template-columns: 1fr; gap: 32px; }
  .footer-status { max-width: 500px; margin-left: 0; }
}

@media (max-width: 560px) {
  .failure-outputs { grid-template-columns: repeat(3, minmax(220px, 1fr)); padding-bottom: 12px; scroll-snap-type: x proximity; overscroll-behavior-x: contain; }
  .failure-outputs > .failure-video { scroll-snap-align: start; }
  .failure-input { grid-template-columns: 96px minmax(0, 1fr); gap: 16px; margin-bottom: 16px; padding-block: 18px; }
  .failure-input header h3 { font-size: 17px; }
  .failure-input p { font-size: 12px; }
  .comparison-scroll-hint { display: block; margin: 0 0 14px; color: var(--muted); font-size: 12px; line-height: 1.6; }
}

@media (max-width: 520px) {
  .brand-role { margin-left: 0; padding-left: 12px; }
  .brand-icon { width: 28px; height: 28px; }
  .brand-name { font-size: 18px; }
  .figure-zoom { right: 7px; bottom: 7px; width: 30px; height: 30px; }
  .figure-shell figcaption, .compact-figure figcaption { font-size: 12px; }
  .case-tab { flex: 1 1 auto; padding: 9px 12px; text-align: center; }
  .failure-video header span { font-size: 12px; }

  .result-cards { grid-template-columns: 1fr; padding: 0; }
  .result-card, .result-card:first-child, .result-card:last-child { padding: 26px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .result-card:last-child { border-bottom: 0; }
  .result-card strong { margin: 12px 0 14px; font-size: 52px; }
  .result-note-line { font-size: 12px; }
  .draft-callout { margin-top: 30px; }
  .results-layout { margin-top: 32px; }
  .result-table-block + .result-table-block { margin-top: 40px; }
  .result-table-heading h3 { font-size: 23px; }
  .figure-dialog { width: 96vw; padding: 12px; }
  .footer-brand { font-size: 23px; }
}