/* Academic project-page presentation. Research data and policy colors retain their own semantics. */
@font-face { font-family: 'Noto Sans'; font-style: normal; font-weight: 400 500; font-display: swap; src: url('assets/fonts/noto-sans-regular.ttf') format('truetype'); }
@font-face { font-family: 'Noto Sans'; font-style: normal; font-weight: 600 800; font-display: swap; src: url('assets/fonts/noto-sans-bold.ttf') format('truetype'); }
:root {
  --ink: #292633;
  --muted: #68636f;
  --blue: #6f42c1;
  --blue-soft: #f3eefb;
  --line: #e5e0ec;
  --surface: #faf9fc;
  --purple-deep: #4b2e83;
  --warm: #a84d16;
  --sans: 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
html { scroll-padding-top: 40px; }
body { color: var(--ink); font-size: 17px; line-height: 1.7; background: #fff; }
.wrap { width: min(1020px, calc(100% - 56px)); margin-inline: auto; }
h1, h2, h3, h4 { letter-spacing: -.025em; }
h2 { font-size: clamp(1.65rem, 2.4vw, 2.05rem); line-height: 1.3; font-weight: 700; }
h3 { line-height: 1.4; }
a { text-decoration: none; }
a:hover { text-decoration: underline; }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline-color: #9d78d7; }
.section-wrap { padding-block: 48px; }
.section-heading { display: block; text-align: center; margin: 0 auto 30px; max-width: 820px; }
.section-heading h2 { margin-bottom: 14px; }
.section-heading p:not(.eyebrow) { margin-inline: auto; max-width: 730px; color: var(--muted); font-size: 1rem; }
.dataset-badge { display: block; width: fit-content; margin: 15px auto 0; padding: 0; border: 0; background: none; font-weight: 500; font-size: .8125rem; }
.shade { background: #fff; border: 0; }
.eyebrow { color: var(--muted); letter-spacing: .09em; font-size: .7rem; }
.button { border-color: var(--line); border-radius: 7px; }
.button:hover { background: var(--blue-soft); border-color: #bda3df; }
.primary { background: var(--blue); border-color: var(--blue); }
.primary:hover { background: var(--purple-deep); }
.small, .section-note { color: var(--muted); }
.section-note { border-color: #cbb6e9; font-size: .82rem; line-height: 1.7; }

/* A quiet paper masthead and a persistent, secondary table of contents. */
.floating-toc { display: block; position: fixed; left: 18px; top: 22px; width: 172px; padding: 14px 10px 13px; margin: 0; background: rgba(255,255,255,.9); border: 1px solid #e9e0f2; border-radius: 13px; box-shadow: 0 6px 26px #29134508; backdrop-filter: blur(12px); z-index: 30; }
.floating-toc a { display: block; white-space: normal; color: #777080; font-size: .76rem; font-weight: 500; line-height: 1.45; padding: 7px 9px; border-left: 2px solid transparent; border-radius: 5px; }
.floating-toc a:hover, .floating-toc a[aria-current] { background: var(--blue-soft); color: var(--purple-deep); text-decoration: none; }
.floating-toc a[aria-current] { border-left-color: var(--blue); font-weight: 700; }
.floating-toc .toc-brand { color: var(--purple-deep); font-size: 1rem; font-weight: 750; padding-bottom: 13px; }
.toc-label { display: block; padding: 0 11px 7px; color: #938a9b; font-size: .58rem; letter-spacing: .12em; }
.mobile-toc { display: none; }
.publication-hero { text-align: center; padding: 58px 0 35px; }
.publication-status { color: var(--muted); font-size: .85rem; letter-spacing: .015em; margin-bottom: 16px; }
.publication-hero h1 { margin: 0 auto; max-width: 960px; font-weight: 700; }
.publication-name { display: block; font-size: clamp(2.7rem, 5vw, 3.75rem); line-height: 1.15; letter-spacing: -.045em; color: var(--purple-deep); }
.publication-subtitle { display: block; font-size: clamp(1.55rem, 2.8vw, 2.12rem); line-height: 1.3; letter-spacing: -.025em; margin-top: 13px; }
.publication-authors { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px 22px; margin: 26px auto 10px; font-size: 1.18rem; color: var(--purple-deep); }
.author-block { white-space: nowrap; }
.publication-authors sup, .publication-affiliations sup { font-size: .65em; line-height: 0; position: relative; vertical-align: super; }
.publication-authors sup { margin-left: 3px; }
.publication-affiliations { margin: 0 auto 24px; max-width: 880px; font-size: .88rem; color: var(--muted); line-height: 1.65; }
.affiliation-row { display: flex; justify-content: center; flex-wrap: wrap; gap: 5px 22px; }
.affiliation-row+.affiliation-row { margin-top: 5px; }
.affiliation-row>span { max-width: 100%; }
.publication-affiliations sup { margin-right: 4px; }
.publication-tagline { font-size: 1.14rem; color: #726682; margin: 22px 0 12px; }
.publication-links { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 10px; }
.resource-button { display: inline-flex; gap: 8px; align-items: center; justify-content: center; min-width: 105px; min-height: 48px; font-family: inherit; font-size: .88rem; line-height: 1.4; padding: 7px 17px; border: 1px solid #d6cedf; border-radius: 999px; color: var(--ink); background: #fff; transition: background .15s, border-color .15s; }
.resource-button:hover { background: var(--blue-soft); border-color: #b59acf; text-decoration: none; }
.resource-button.resource-primary { background: #32283f; border-color: #32283f; color: #fff; }
.resource-button.resource-primary:hover { background: var(--purple-deep); border-color: var(--purple-deep); }
.resource-icon { width: 18px; height: 18px; flex: none; }
.resource-button.resource-unavailable { color: #78717f; border-color: #e4dfe9; background: #f7f5f9; cursor: default; opacity: 1; }
.resource-unavailable small { display: block; margin-top: 1px; font-size: .58rem; font-weight: 400; line-height: 1.2; }
.publication-explore { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px 22px; margin-top: 13px; font-size: .8rem; }
.publication-explore a { color: var(--muted); }

/* The existing animation is the lead visual; the duplicate hero diagram is removed. */
#walkthrough.section-wrap { padding-top: 24px; padding-bottom: 38px; }
#walkthrough .section-heading h2 { font-size: clamp(1.65rem, 2.4vw, 2.05rem); letter-spacing: -.025em; }
#walkthrough .section-heading { margin-bottom: 23px; }
.animation-card { margin-top: 0; padding: 24px; border-color: var(--line); border-radius: 12px; box-shadow: 0 4px 22px #26133c05; }
.animation-heading { margin-bottom: 18px; }
.animation-heading h3 { font-size: 1.22rem; letter-spacing: -.02em; }
.animation-heading .eyebrow { font-size: .65rem; }
.animation-options { font-size: .85rem; }
.animation-options select { background: #fff; border-color: #ded4e8; font-size: .8rem; }
.loop-example { background: #faf8fd; border-color: #e9e0f3; box-shadow: none; }
.animation-canvas { border-color: #e5deef; background: #fcfbfe; }
.animation-story { border-color: var(--line); }
.animation-note { font-size: .77rem; line-height: 1.7; color: var(--muted); }
.animation-steps button[aria-pressed=true] { background: var(--blue-soft); color: var(--purple-deep); border-color: #c9b2e6; }
.verification-ribbon { box-shadow: none; }

/* Prose, contributions, and tabbed method details. */
.prose-section { max-width: 780px; }
.prose-section h2, .contributions-section>h2 { text-align: center; margin-bottom: 24px; }
.prose-section p { font-size: 1.02rem; line-height: 1.85; }
.prose-section strong { font-weight: 650; }
.contributions-section { padding-top: 28px; }
.contribution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.contribution-card { padding: 27px 29px; border: 1px solid var(--line); border-top: 3px solid var(--blue); border-radius: 11px; background: #fff; box-shadow: 0 3px 16px #26133c04; }
.contribution-search { border-top-color: var(--warm); }
.contribution-number { font-size: .7rem; letter-spacing: .09em; color: var(--blue); font-weight: 650; }
.contribution-search .contribution-number, .contribution-search>a { color: var(--warm); }
.contribution-card h3 { font-size: 1.26rem; margin: 12px 0; }
.contribution-card p { font-size: .94rem; color: var(--muted); margin-bottom: 16px; line-height: 1.75; }
.contribution-card>a { font-size: .86rem; font-weight: 600; }
.research-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin: 0 auto 23px; }
.research-tabs button { padding: 10px 20px; border: 1px solid #e1d9ec; border-radius: 999px; background: #fff; color: #665d71; font-size: .9rem; font-weight: 600; }
.research-tabs button:hover { background: var(--blue-soft); }
.research-tabs button[aria-selected=true] { color: white; background: linear-gradient(135deg,#6f42c1,#4b2e83); border-color: transparent; }
.method-panel { min-width: 0; }
.paper-figure { margin: 0; padding: 26px; border-color: var(--line); border-radius: 12px; box-shadow: none; }
.paper-figure figcaption { color: var(--muted); }
.paper-figure figcaption strong { color: var(--ink); }
.method-explanation { border: 1px solid var(--line); border-radius: 12px; background: #fcfbfe; padding: 36px; }
.method-explanation>h3 { font-size: 1.35rem; }
.method-explanation>p { color: var(--muted); font-size: .96rem; }
.prediction-schema { display: grid; grid-template-columns: 1fr 35px 1fr; gap: 20px; align-items: center; margin-block: 28px; }
.prediction-schema>div { background: #fff; padding: 25px; border: 1px solid var(--line); border-radius: 9px; }
.schema-label { color: var(--blue); font-size: .7rem; letter-spacing: .08em; font-weight: 650; }
.prediction-schema h4 { margin: 10px 0; font-size: 1.05rem; }
.prediction-schema ul { padding-left: 19px; font-size: .9rem; color: var(--muted); }
.schema-arrow { color: #9b7dbe; font-size: 1.7rem; text-align: center; }
.method-explanation .method-footnote { border-left: 2px solid #c9b2e6; padding-left: 16px; font-size: .85rem; margin-bottom: 0; }
.gate-explanation { padding-left: 24px; font-size: .97rem; color: var(--muted); }
.gate-explanation li { padding: 0 0 18px 8px; }
.gate-explanation strong { color: var(--ink); }
.text-link { display: inline-block; margin-top: 22px; font-size: .9rem; }

/* Keep aggregate evidence visible and reveal the full recorded browser on demand. */
#confidence .section-heading h2 { letter-spacing: -.025em; }
.evidence-trend { border-color: var(--line); border-radius: 11px; }
.evidence-trend .accuracy-panel { padding: 28px 32px; }
.trend-heading h3 { font-size: 1.2rem; }
.trend-lift strong { font-size: 2rem; letter-spacing: -.03em; }
.trend-lift span { font-size: .8rem; }
.evidence-trend .metric-tabs { max-width: 610px; gap: 5px; border: 0; margin-bottom: 19px; }
.metric-tabs button { border: 1px solid var(--line); border-radius: 999px; padding: 9px 13px; color: var(--muted); font-size: .82rem; }
.metric-tabs button[aria-pressed=true] { color: #fff; border-color: var(--blue); background: var(--blue); }
.contrast-heading { margin-top: 32px; }
.contrast-heading h3 { font-size: 1.28rem; }
.contrast-heading>p { font-size: .8rem; }
.contrast-card { border-left-color: var(--line); border-right-color: var(--line); border-bottom-color: var(--line); border-radius: 10px; }
.contrast-card-heading { padding: 19px 22px 12px; }
.contrast-card h3 { font-size: 1.08rem; }
.contrast-caption { font-size: .82rem; }
.excerpt-heading { background: #f7f4fb; border-color: var(--line); }
.excerpt-heading h4 { color: #544462; }
.excerpt-actual .excerpt-heading { background: #f2f7f4; }
.report-excerpt { font-size: .8rem; }
.research-disclosure { margin-top: 28px; border: 1px solid #ddd3e9; border-radius: 10px; background: #fff; }
.research-disclosure>summary { list-style: none; display: flex; justify-content: space-between; gap: 20px; align-items: center; cursor: pointer; padding: 22px 25px; color: var(--purple-deep); font-weight: 650; font-size: 1.02rem; }
.research-disclosure>summary::-webkit-details-marker { display: none; }
.research-disclosure>summary small { display: block; margin-top: 5px; color: var(--muted); font-size: .8rem; font-weight: 400; line-height: 1.6; }
.disclosure-symbol { font-size: 1.5rem; font-weight: 400; }
.research-disclosure[open]>summary { background: #faf7fe; border-bottom: 1px solid var(--line); border-radius: 10px 10px 0 0; }
.research-disclosure[open] .disclosure-symbol { transform: rotate(45deg); }
.browser-body { padding: 24px; }
.browser-body .browse-heading { margin: 0 0 22px; padding: 0; border: 0; }
.browser-body .browse-heading>.eyebrow { display: none; }
.browser-body .browse-heading h3 { font-size: 1.2rem; }
#confidence .explorer-dashboard { grid-template-columns: minmax(240px,1fr) 1.25fr; border-color: var(--line); }
#confidence .confidence-control { background: #fcfaff; }
.quantile-steps button { border-color: #d5c5e9; }
.quantile-result { padding: 25px; }
.quantile-result .stat-row { grid-template-columns: 1.4fr 1fr; }
.quantile-result .stat-row>div:last-child { grid-column: 1/-1; }
.example-buttons button { border-color: var(--line); }
.example-buttons button[aria-pressed=true] { background: var(--blue-soft); }
.example-number { color: var(--blue); border-color: #d7c4ed; }
.output-panel .panel-heading { background: #f4effb; }
.actual-panel .panel-heading { background: #edf6f3; }

/* Results remain comparable, with policy colors untouched. */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.world-performance-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 28px; align-items: start; }
.world-performance-grid figure, .paper-results-figure { margin: 0; min-width: 0; }
.paper-asset-heading { display: flex; justify-content: space-between; align-items: start; gap: 15px; margin-bottom: 20px; }
.paper-asset-heading h2 { margin: 0; font-size: 1.5rem; }
.paper-asset-heading h3 { font-size: 1.08rem; line-height: 1.45; margin: 7px 0 0; }
.paper-asset-heading>a { flex: none; font-size: .74rem; margin-top: 5px; }
.world-performance-grid figcaption, .paper-results-figure figcaption { margin-top: 18px; font-size: .79rem; color: var(--muted); line-height: 1.75; }
.fidelity-table-scroll { border: 0; border-radius: 0; overflow-x: auto; scrollbar-width: thin; }
#fidelity-table { width: 100%; min-width: 545px; border-collapse: collapse; font-size: .95rem; line-height: 1.6; font-variant-numeric: tabular-nums; }
#fidelity-table th, #fidelity-table td { padding: 9px 6px; text-align: right; white-space: nowrap; border: 0; }
#fidelity-table td { font-size: 1.125rem; }
#fidelity-table th:first-child { text-align: left; }
#fidelity-table thead { border-block: 2px solid #51495c; }
#fidelity-table thead th { color: var(--ink); font-weight: 600; background: #fff; }
#fidelity-table tbody tr:not(.fidelity-group):not(.fidelity-ours) th { font-weight: 400; }
#fidelity-table .fidelity-group th { padding-top: 14px; padding-bottom: 2px; font-size: .72rem; font-style: italic; color: var(--muted); font-weight: 400; }
#fidelity-table .fidelity-ours { border-top: 1px solid #b19acb; border-bottom: 2px solid #51495c; background: #f5f0fc; font-weight: 700; color: var(--purple-deep); }
.table-se { font-size: .82em; font-weight: 400; white-space: nowrap; }
.table-scroll-hint { display: none; margin-top: 8px; font-size: .73rem; color: var(--muted); }
.fidelity-cost-card .paper-figure-image { max-width: 490px; margin: 22px auto 0; }
#policies.wrap { width: min(1180px, calc(100% - 56px)); }
.paper-results-figure { padding-block: 28px; border-block: 1px solid var(--line); }
.paper-results-figure .paper-asset-heading { align-items: end; gap: 28px; margin-bottom: 28px; }
.paper-results-figure .eyebrow { color: var(--blue); margin-bottom: 12px; }
.paper-results-figure h2 { font-size: clamp(1.8rem, 2.8vw, 2.4rem); line-height: 1.25; }
.results-lead { max-width: 720px; margin: 14px 0 0; font-size: 1rem; color: var(--muted); }
.results-chart-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; scrollbar-width: thin; background: #fff; }
.paper-results-figure .paper-figure-image { min-width: 800px; padding-block: 16px; }
.results-scroll-hint { display: none; margin: 10px 0 0; font-size: .73rem; color: var(--muted); }
@media(min-width:1440px) { #policies.wrap { width: min(1180px, calc(100% - 420px)); } }
@media(max-width:860px) { .results-scroll-hint { display: block; } }
@media(max-width:620px) {
  #policies.wrap { width: calc(100% - 32px); }
  .paper-results-figure .paper-asset-heading { flex-direction: column; align-items: start; gap: 12px; }
  .results-lead { font-size: .9rem; }
}
.paper-results-figure figcaption { max-width: 960px; margin-inline: auto; }
@media(max-width:1050px) { .world-performance-grid { grid-template-columns: 1fr; gap: 36px; } .fidelity-cost-card { max-width: 660px; width: 100%; margin-inline: auto !important; } }
@media(max-width:620px) { .paper-asset-heading h3 { font-size: 1rem; } .paper-asset-heading { gap: 10px; } .paper-asset-heading>a { font-size: .68rem; } .table-scroll-hint { display: block; } .paper-results-figure .paper-figure-image { padding: 10px 0; } }
.results-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }
.plot-card { border-color: var(--line); border-radius: 11px; }
.plot-card .panel-heading { justify-content: space-between; background: #faf9fc; border-color: var(--line); }
.plot-card .panel-heading h3 { font-size: 1.1rem; }
#cost-chart { max-width: 820px; margin-inline: auto; }
.plot-card>.small { font-size: .8rem; }
.policy-summary { border-color: var(--line); border-radius: 10px; background: #fbfafc; padding: 24px 28px; }
.policy-summary>.eyebrow { display: none; }
.policy-buttons { justify-content: center; margin-bottom: 24px; }
.policy-buttons button { border-radius: 999px; padding: 8px 17px; }
#policy-insight { max-width: 820px; margin-inline: auto; }
.measurement-notes { margin-top: 22px; border-top: 1px solid var(--line); padding-top: 18px; }
.measurement-notes>summary { color: var(--purple-deep); font-size: .87rem; font-weight: 600; cursor: pointer; }
.measurement-notes dl { display: grid; grid-template-columns: 155px 1fr; gap: 12px 20px; margin-top: 22px; font-size: .85rem; }
.measurement-notes dt { font-weight: 650; }
.measurement-notes dd { margin: 0; color: var(--muted); }
.measurement-notes>a { font-size: .85rem; }
.solution-examples { display: flex; justify-content: center; gap: 10px; margin-bottom: 28px; }
.solution-examples button { padding: 12px 22px; border-radius: 999px; text-align: center; border-color: var(--line); }
.solution-examples button[aria-pressed=true] { color: #fff; background: var(--blue); box-shadow: none; border-color: var(--blue); }
.solution-examples .story-tab-meta { display: none; }
.solution-examples strong { font-size: .88rem; }
.story-heading { text-align: center; margin: 0 auto 20px; max-width: 820px; }
.story-heading h3 { font-size: 1.35rem; }
.story-heading>p { font-size: .9rem; }
.story-context { color: #92859c !important; font-size: .75rem !important; }
.story-score-note { text-align: center; font-size: .78rem; }
.solution-story-cards { gap: 16px; }
.story-card { padding: 21px; border-radius: 10px; }
.story-card h4 { font-size: 1.12rem; }
.story-description { font-size: .86rem; }
.story-recipe li { font-size: .8rem; }
.story-takeaway { background: #faf7fd; border-color: var(--line); }
.story-selection-note { color: var(--muted); }
.resources-section { text-align: center; border-top: 1px solid var(--line); margin-top: 30px; }
.resources-section>p { color: var(--muted); font-size: .95rem; margin-bottom: 25px; }
.footer { padding-block: 26px 36px; border-top: 1px solid var(--line); gap: 30px; font-size: .76rem; }
.footer .brand { color: var(--purple-deep); font-size: 1rem; }
.footer .brand-mark { display: none; }
.footer p { color: var(--muted); line-height: 1.7; }

@media(max-width:1439px) {
  .floating-toc { display: none; }
  .mobile-toc { display: block; position: sticky; top: 0; z-index: 40; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.97); backdrop-filter: blur(10px); }
  .mobile-toc>summary { display: flex; align-items: center; justify-content: space-between; padding: 13px max(22px, calc((100vw - 1020px)/2)); cursor: pointer; list-style: none; font-size: .8rem; color: var(--muted); }
  .mobile-toc>summary::-webkit-details-marker { display: none; }
  .mobile-brand { font-weight: 750; font-size: .95rem; color: var(--purple-deep); }
  .mobile-toc nav { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 4px; margin: 0 auto; max-width: 1040px; padding: 5px 20px 15px; }
  .mobile-toc nav a { display: block; padding: 8px 10px; font-size: .78rem; white-space: normal; border-radius: 6px; }
  .mobile-toc nav a[aria-current] { color: var(--purple-deep); background: var(--blue-soft); }
  html { scroll-padding-top: 75px; }
}
@media(max-width:900px) {
  .publication-hero { padding-top: 40px; }
  .desktop-break { display: none; }
  #confidence .explorer-dashboard { grid-template-columns: 1fr; }
  .confidence-control { border-right: 0; border-bottom: 1px solid var(--line); }
  .quantile-result .stat-row { grid-template-columns: 1.5fr 1fr 1fr; }
  .quantile-result .stat-row>div:last-child { grid-column: auto; }
  .solution-story-cards { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media(max-width:620px) {
  body { font-size: 16px; }
  .wrap { width: calc(100% - 32px); }
  .section-wrap { padding-block: 36px; }
  .publication-hero { padding-top: 34px; padding-bottom: 24px; }
  .publication-status { font-size: .73rem; }
  .publication-subtitle { font-size: 1.45rem; line-height: 1.4; }
  .publication-authors { font-size: 1rem; gap: 4px 16px; margin-top: 22px; }
  .publication-affiliations { font-size: .76rem; margin-bottom: 20px; }
  .affiliation-row { gap: 4px 14px; }
  .publication-tagline { font-size: .98rem; margin-top: 18px; }
  .publication-links { gap: 8px; }
  .resource-button { font-size: .8rem; min-width: 82px; padding: 7px 9px; }
  .publication-explore { font-size: .75rem; gap: 6px 18px; }
  .section-heading { margin-bottom: 24px; }
  .section-heading p:not(.eyebrow) { font-size: .9rem; }
  .dataset-badge { font-size: .74rem; white-space: normal; }
  .mobile-toc nav { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .animation-card { padding: 17px 12px; }
  .animation-heading { gap: 12px; flex-wrap: wrap; }
  .animation-heading h3 { font-size: 1.1rem; }
  .animation-heading>a { font-size: .73rem; }
  .animation-options { gap: 7px; }
  .animation-options select { width: 100%; }
  .animation-note { font-size: .72rem; }
  .prose-section p { font-size: .96rem; line-height: 1.8; }
  .contribution-grid { grid-template-columns: 1fr; gap: 17px; }
  .contribution-card { padding: 23px; }
  .research-tabs { gap: 6px; }
  .research-tabs button { padding: 9px 12px; font-size: .78rem; }
  .paper-figure { padding: 17px 12px; }
  .method-explanation { padding: 23px 19px; }
  .method-explanation>h3 { font-size: 1.2rem; }
  .prediction-schema { grid-template-columns: 1fr; gap: 12px; }
  .schema-arrow { transform: rotate(90deg); line-height: 1; }
  .prediction-schema>div { padding: 20px; }
  .evidence-trend .accuracy-panel { padding: 21px 15px; }
  .evidence-trend .metric-tabs { gap: 4px; }
  .metric-tabs button { font-size: .72rem; padding: 9px 6px; line-height: 1.5; }
  .trend-heading h3 { font-size: 1.1rem; }
  .trend-lift { gap: 20px; }
  .trend-lift strong { font-size: 1.85rem; }
  .contrast-heading h3 { font-size: 1.2rem; }
  .research-disclosure>summary { padding: 18px; font-size: .96rem; gap: 12px; }
  .research-disclosure>summary small { font-size: .74rem; }
  .browser-body { padding: 18px 12px; }
  #confidence .confidence-control, .quantile-result { padding: 18px; }
  .quantile-result .stat-row { grid-template-columns: 1.4fr 1fr; }
  .quantile-result .stat-row>div:last-child { grid-column: 1/-1; }
  .plot-card .panel-heading { flex-direction: column; align-items: flex-start; gap: 6px; }
  .plot-card .panel-heading h3 { font-size: 1rem; }
  .plot-card>.small { padding-inline: 15px; }
  .policy-summary { padding: 20px 17px; }
  .policy-buttons { gap: 7px; }
  .policy-buttons button { padding: 7px 12px; font-size: .78rem; }
  .measurement-notes dl { grid-template-columns: 1fr; gap: 5px; }
  .measurement-notes dd { margin-bottom: 14px; }
  .solution-examples { flex-wrap: wrap; gap: 8px; }
  .solution-examples button { padding: 11px 17px; }
  .solution-examples strong { font-size: .8rem; }
  .solution-story-cards { grid-template-columns: 1fr; gap: 18px; }
  .story-card { padding: 23px; }
  .story-card h4, .story-description { min-height: 0; }
  .story-recipe li { font-size: .875rem; }
  .story-heading h3 { font-size: 1.22rem; }
  .resources-section { margin-top: 12px; }
  .footer { padding-block: 24px 30px; }
}
@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; }
  .resource-button { transition: none; }
}