:root {
  --ink: #10273c;
  --ink-2: #254053;
  --muted: #657581;
  --accent: #0d706b;
  --accent-bright: #2b9b8e;
  --accent-soft: #e3f1ed;
  --anchor: #ee7926;
  --danger: #bc423f;
  --dark: #071c2b;
  --dark-2: #0d2638;
  --paper: #f7f7f4;
  --white: #ffffff;
  --soft: #eff2ef;
  --line: rgba(16, 39, 60, .13);
  --line-strong: rgba(16, 39, 60, .22);
  --ring: 0 0 0 1px rgba(16, 39, 60, .10), 0 2px 2px rgba(16, 39, 60, .035), 0 12px 32px -24px rgba(16, 39, 60, .32);
  --ring-hover: 0 0 0 1px rgba(16, 39, 60, .18), 0 4px 8px rgba(16, 39, 60, .06), 0 18px 38px -24px rgba(16, 39, 60, .38);
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 78px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -.012em;
  -webkit-font-smoothing: antialiased;
}
::selection { background: #f9d4b8; color: var(--ink); }
button, input, select { font: inherit; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
button, a { touch-action: manipulation; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: .48; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: none; }
a[aria-disabled="true"] { cursor: default; opacity: .48; pointer-events: none; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid #087bdb;
  outline-offset: 4px;
}
[hidden] { display: none !important; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure { margin: 0; }
h2 {
  font-size: clamp(2.25rem, 4.6vw, 4.25rem);
  line-height: 1.03;
  letter-spacing: -.058em;
  font-weight: 620;
  text-wrap: balance;
}
h3 { font-size: 1.4rem; line-height: 1.18; letter-spacing: -.035em; }
p + p { margin-top: 14px; }
section { scroll-margin-top: 30px; }
.container { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }
.container.wide { width: min(1280px, calc(100% - 64px)); }
.muted { color: var(--muted); }
.micro { font-size: 11px; line-height: 1.55; color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.skip-link { position: fixed; top: -100px; left: 16px; z-index: 1000; padding: 10px 14px; color: var(--white); background: var(--ink); border-radius: 6px; }
.skip-link:focus { top: 12px; }
.scroll-progress { position: fixed; inset: 0 0 auto; z-index: 101; height: 2px; pointer-events: none; }
.scroll-progress span { display: block; width: 0; height: 100%; background: var(--anchor); transform-origin: left; }

/* Navigation */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(247, 247, 244, .86); backdrop-filter: saturate(160%) blur(18px); border-bottom: 1px solid var(--line); }
.nav-wrap { width: min(1280px, calc(100% - 64px)); min-height: 62px; margin: auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; width: max-content; color: var(--ink); font-size: 18px; font-weight: 650; letter-spacing: -.035em; }
.brand-mark { display: grid; place-items: center; width: 29px; height: 29px; color: var(--white); background: var(--ink); border-radius: 7px; font: italic 22px/1 Georgia, serif; box-shadow: inset 0 0 0 1px rgba(255,255,255,.14); }
nav { display: flex; align-items: center; gap: 25px; }
nav a { position: relative; padding: 20px 0; color: #4d5f6b; font-size: 12px; font-weight: 560; letter-spacing: -.01em; }
nav a::after { content: ""; position: absolute; right: 0; bottom: 13px; left: 0; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: right; transition: transform .22s ease; }
nav a:hover, nav a.active { color: var(--ink); }
nav a:hover::after, nav a.active::after { transform: scaleX(1); transform-origin: left; }
.nav-paper { justify-self: end; display: inline-flex; align-items: center; gap: 6px; min-height: 34px; padding: 7px 12px; color: var(--white); background: var(--ink); border-radius: 6px; font-size: 12px; font-weight: 600; box-shadow: 0 1px 0 rgba(255,255,255,.2) inset, 0 1px 2px rgba(7,28,43,.15); transition: transform .15s ease, background .15s ease; }
.nav-paper:hover { transform: translateY(-1px); background: #1b394e; }
.nav-paper:active { transform: translateY(0) scale(.98); }
.nav-paper small { font-size: 9px; font-weight: 450; opacity: .72; }
.nav-toggle { display: none; }

/* Hero */
.hero-stage { padding: 76px 0 38px; overflow: hidden; background: var(--paper); }
.hero-grid { display: grid; grid-template-columns: minmax(320px, .82fr) minmax(560px, 1.5fr); align-items: start; column-gap: clamp(42px, 6vw, 88px); row-gap: 24px; }
/* Reserve the first row for the full wordmark so the figure cannot cover it. */
.hero-heading { grid-column: 1 / -1; min-width: 0; }
.hero-copy { min-width: 0; }
.eyebrow { color: var(--accent); font: 650 10px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.eyebrow.light { color: #86d6c9; }
.hero-heading h1 { margin: 0; color: var(--ink); font: italic 700 clamp(4.5rem, 8vw, 7.3rem)/1.05 Georgia, "Times New Roman", serif; letter-spacing: -.075em; }
.paper-title { max-width: 460px; font-size: clamp(1.32rem, 2.2vw, 1.9rem); line-height: 1.2; letter-spacing: -.04em; font-weight: 590; text-wrap: balance; }
.tagline { max-width: 440px; margin-top: 18px; color: var(--muted); font-size: 15px; line-height: 1.65; }
.author-block { max-width: 560px; margin-top: 22px; }
.author-block p { margin: 0; }
.author-block #authors { color: var(--ink-2); font-size: 13px; font-weight: 590; line-height: 1.8; }
.author-name { white-space: nowrap; }
.author-name sup { margin-left: 2px; color: var(--accent); font: 650 8px/1 var(--mono); vertical-align: super; }
#affiliations { display: flex; flex-wrap: wrap; gap: 3px 16px; margin-top: 8px; color: var(--muted); font-size: 10px; line-height: 1.55; }
#affiliations span { display: inline-flex; gap: 4px; align-items: baseline; }
#affiliations sup { color: var(--anchor); font: 650 8px/1 var(--mono); }
#author-note { margin-top: 7px; color: #7b888f; font-size: 9px; line-height: 1.55; }
#author-note a { color: var(--accent); font-weight: 580; }
#author-note a:hover { text-decoration: underline; text-underline-offset: 3px; }
.resource-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 27px; }
.button { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 9px 15px; color: var(--ink); background: var(--white); border: 0; border-radius: 7px; box-shadow: 0 0 0 1px var(--line-strong), 0 1px 2px rgba(16,39,60,.06); font-size: 12px; font-weight: 620; transition: transform .16s ease, box-shadow .16s ease, background .16s ease; }
.button:hover { transform: translateY(-2px); background: #fcfcfb; box-shadow: 0 0 0 1px rgba(16,39,60,.25), 0 5px 12px rgba(16,39,60,.10); }
.button:active { transform: translateY(0) scale(.98); box-shadow: 0 0 0 1px var(--line-strong), 0 1px 2px rgba(16,39,60,.08); }
.button.primary { color: var(--white); background: var(--ink); box-shadow: 0 1px 0 rgba(255,255,255,.18) inset, 0 0 0 1px #071c2b, 0 4px 10px rgba(7,28,43,.13); }
.button.primary:hover { background: #1b394e; }
.button.quiet { color: var(--accent); background: transparent; box-shadow: none; }
.button.quiet:hover { background: var(--accent-soft); box-shadow: none; }
.button small { font-size: 9px; font-weight: 450; opacity: .72; }
.button.small { min-height: 34px; padding: 7px 11px; font-size: 11px; }

.hero-figure { position: relative; min-width: 0; padding: 15px 15px 12px; background: var(--white); border-radius: 13px; box-shadow: var(--ring); }
.figure-label { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 0 2px 12px; color: var(--ink); }
.figure-label span { color: var(--anchor); font: 650 10px/1 var(--mono); letter-spacing: .08em; }
.figure-label b { font-size: 12px; font-weight: 560; }
.hero-figure figcaption, .diagnostic-stage figcaption { padding: 11px 2px 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.image-button { position: relative; display: block; width: 100%; padding: 0; overflow: hidden; background: #fff; border: 0; border-radius: 7px; cursor: zoom-in; box-shadow: 0 0 0 1px rgba(16,39,60,.08); }
.image-button img { width: 100%; transition: transform .38s cubic-bezier(.2,.7,.2,1), filter .25s ease; }
.zoom-cue { position: absolute; right: 10px; bottom: 10px; display: flex; align-items: center; gap: 8px; padding: 7px 9px; color: var(--white); background: rgba(7,28,43,.88); border-radius: 5px; font-size: 10px; font-weight: 600; opacity: 0; transform: translateY(4px); transition: opacity .18s ease, transform .18s ease; backdrop-filter: blur(8px); }
.zoom-cue b { color: #8ad3c7; font-size: 12px; }
.image-button:hover img { transform: scale(1.012); filter: saturate(1.03); }
.image-button:hover .zoom-cue, .image-button:focus-visible .zoom-cue { opacity: 1; transform: translateY(0); }
.image-button:active img { transform: scale(1.004); }
.evidence-rail { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 54px; border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line); }
.evidence-rail > div { position: relative; padding: 18px 22px 20px; border-right: 1px solid var(--line); }
.evidence-rail > div:first-child { padding-left: 0; }
.evidence-rail > div:last-child { padding-right: 0; border-right: 0; }
.rail-index { position: absolute; top: 8px; right: 10px; color: #a1aaa9; font: 500 9px/1 var(--mono); }
.evidence-rail strong { display: block; font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1.05; letter-spacing: -.05em; font-weight: 620; font-variant-numeric: tabular-nums; }
.evidence-rail p { margin-top: 5px; color: var(--muted); font-size: 11px; }
.snapshot-micro { margin-top: 9px; color: #8a969e; font-size: 10px; text-align: right; }

/* Story */
.story-section { padding-top: 126px; padding-bottom: 120px; }
.section-intro-grid { display: grid; grid-template-columns: 1.16fr .84fr; gap: clamp(44px, 8vw, 110px); align-items: end; }
.section-intro-grid .eyebrow { margin-bottom: 18px; }
.section-intro-grid h2 i { color: var(--anchor); font-family: Georgia, serif; font-weight: 650; }
.section-copy { color: var(--muted); font-size: 16px; line-height: 1.75; }
.logic-path { display: grid; grid-template-columns: 1fr 42px 1fr 42px 1fr; align-items: stretch; margin-top: 72px; }
.logic-step { position: relative; min-height: 210px; padding: 20px 22px 22px; background: var(--white); box-shadow: 0 0 0 1px var(--line); }
.logic-step:first-child { border-radius: 9px 0 0 9px; }
.logic-step:last-child { border-radius: 0 9px 9px 0; }
.logic-step::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--anchor); }
.logic-step.grounding::before { background: var(--accent); }
.logic-step.joint::before { background: var(--ink); }
.logic-number { color: var(--muted); font: 600 9px/1 var(--mono); letter-spacing: .09em; }
.logic-step > div { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-top: 34px; }
.logic-step small { color: var(--muted); font-size: 11px; }
.logic-step strong { font: 620 3.1rem/1 Georgia, serif; letter-spacing: -.05em; }
.logic-step p { max-width: 225px; margin-top: 33px; color: var(--muted); font-size: 12px; line-height: 1.55; }
.logic-arrow { display: grid; place-items: center; z-index: 1; margin: 84px -4px; color: var(--accent); background: var(--paper); border: 1px solid var(--line); border-radius: 50%; font-size: 16px; }
.thesis-note { display: grid; grid-template-columns: 180px 1fr; gap: 30px; align-items: baseline; margin-top: 25px; padding-top: 25px; border-top: 1px solid var(--line); }
.thesis-note span { color: var(--accent); font: 600 9px/1 var(--mono); letter-spacing: .1em; }
.thesis-note p { font-size: clamp(1.25rem, 2.2vw, 1.75rem); line-height: 1.28; letter-spacing: -.035em; }

/* Shared headings */
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 30px; }
.section-heading .eyebrow { margin-bottom: 14px; }
.section-heading h2 { max-width: 840px; }
.section-index { padding-bottom: 6px; color: #839096; font: 500 9px/1 var(--mono); letter-spacing: .11em; white-space: nowrap; }
.section-intro { max-width: 820px; margin: -4px 0 30px; color: var(--muted); font-size: 15px; line-height: 1.75; }
.lead { color: var(--ink-2); font-size: clamp(1.15rem, 2vw, 1.4rem); line-height: 1.48; letter-spacing: -.025em; }

/* Method */
.method-section { padding: 116px 0 104px; background: var(--white); border-block: 1px solid var(--line); }
.method-grid { display: grid; grid-template-columns: .62fr 1.38fr; gap: clamp(38px, 6vw, 78px); align-items: center; }
.method-list { margin: 39px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.method-list li { display: grid; grid-template-columns: 36px 1fr; gap: 14px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.method-list li > span { color: var(--anchor); font: 600 10px/1.55 var(--mono); }
.method-list b { font-size: 14px; font-weight: 630; }
.method-list p { margin-top: 5px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.paper-figure { padding: 12px; background: var(--paper); border-radius: 11px; box-shadow: var(--ring); }
.paper-figure figcaption, .figure-panel figcaption { padding: 12px 4px 2px; color: var(--muted); font-size: 10px; line-height: 1.55; }
.paper-figure figcaption span, .figure-panel figcaption span { margin-right: 8px; color: var(--accent); font: 650 9px/1 var(--mono); letter-spacing: .08em; }
.probe-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 48px; border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line); }
.probe-strip > div { padding: 19px 24px; border-right: 1px solid var(--line); }
.probe-strip > div:first-child { padding-left: 0; }
.probe-strip > div:last-child { padding-right: 0; border-right: 0; }
.probe-strip code { color: var(--accent); font: 600 11px/1 var(--mono); }
.probe-strip p { margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.5; }

/* Findings */
.findings-section { padding: 110px 0; color: var(--white); background: var(--dark); }
.findings-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(44px, 7vw, 100px); align-items: center; }
.findings-copy h2 { margin-top: 18px; max-width: 520px; color: var(--white); }
.findings-lead { max-width: 500px; margin-top: 26px; color: #b7c6cf; font-size: 15px; line-height: 1.7; }
.finding-list { margin-top: 36px; border-top: 1px solid rgba(255,255,255,.18); }
.finding-list article { display: grid; grid-template-columns: 120px 1fr; gap: 22px; align-items: center; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.finding-list strong { color: #8ad3c7; font-size: 30px; line-height: 1; letter-spacing: -.055em; font-weight: 580; font-variant-numeric: tabular-nums; }
.finding-list b { font-size: 12px; font-weight: 620; }
.finding-list p { margin-top: 4px; color: #9fb1bc; font-size: 11px; line-height: 1.5; }
.fineprint { margin-top: 19px; color: #8096a3; font-size: 10px; line-height: 1.6; }
.diagnostic-stage { min-width: 0; padding: 14px; background: var(--white); border-radius: 11px; box-shadow: 0 0 0 1px rgba(255,255,255,.14), 0 28px 65px rgba(0,0,0,.25); }
.figure-label.dark { color: var(--ink); }
.diagnostic-stage figcaption { color: #6b7880; }

/* Leaderboard */
.leaderboard-section { padding: 116px 0 104px; background: var(--paper); }
.snapshot-note { display: flex; align-items: center; gap: 14px; margin: 22px 0 17px; padding: 12px 14px; color: #506771; background: #eaf2ef; border-radius: 7px; box-shadow: 0 0 0 1px rgba(13,112,107,.13); font-size: 11px; line-height: 1.55; }
.snapshot-note p { flex: 1; }
.snapshot-note .micro { max-width: 160px; text-align: right; }
.pill { padding: 5px 7px; color: var(--accent); background: var(--white); border-radius: 4px; box-shadow: 0 0 0 1px rgba(13,112,107,.2); font: 650 8px/1 var(--mono); letter-spacing: .08em; white-space: nowrap; }
.board { overflow: hidden; background: var(--white); border-radius: 10px; box-shadow: var(--ring); }
.board-tabs { display: flex; gap: 26px; padding: 0 22px; background: #fcfcfb; border-bottom: 1px solid var(--line); }
.board-tabs button { position: relative; min-height: 50px; padding: 0; color: var(--muted); background: transparent; border: 0; font-size: 12px; font-weight: 570; white-space: nowrap; }
.board-tabs button::after { content: ""; position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: var(--accent); transform: scaleX(0); transition: transform .18s ease; }
.board-tabs button[aria-selected="true"] { color: var(--ink); }
.board-tabs button[aria-selected="true"]::after { transform: scaleX(1); }
.board-tabs button:active { transform: translateY(1px); }
.board-controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; padding: 17px 22px 7px; }
.board-controls label { display: flex; flex-direction: column; gap: 5px; color: var(--muted); font: 560 9px/1.3 var(--mono); letter-spacing: .02em; }
.board-controls .search-field { flex: 1; min-width: 180px; }
input, select { min-height: 36px; max-width: 100%; padding: 6px 10px; color: var(--ink); background: var(--white); border: 0; border-radius: 6px; box-shadow: 0 0 0 1px var(--line); font-family: var(--font); font-size: 11px; transition: box-shadow .15s ease, background .15s ease; }
input:hover, select:hover { box-shadow: 0 0 0 1px var(--line-strong); }
input:focus, select:focus { background: #fff; box-shadow: 0 0 0 1px rgba(8,123,219,.55), 0 0 0 4px rgba(8,123,219,.08); }
.view-description { padding: 10px 22px 17px; color: var(--muted); font-size: 11px; line-height: 1.65; }
.table-scroll { max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; }
table { width: 100%; border-collapse: collapse; font-size: 12px; white-space: nowrap; font-variant-numeric: tabular-nums; }
thead th { padding: 12px 15px; color: #536873; background: #f1f3f1; border-block: 1px solid var(--line); text-align: right; font-size: 10px; font-weight: 590; vertical-align: middle; }
thead th:first-child { text-align: center; }
thead th.model-column { min-width: 210px; text-align: left; }
th small { display: block; color: #849197; font-size: 8px; font-weight: 430; }
.sort-button { padding: 2px 0; color: inherit; background: transparent; border: 0; font: inherit; line-height: 1.55; }
.sort-button:hover { color: var(--accent); }
th.sorted { color: var(--accent); background: #e6f0ed; }
td { padding: 14px 15px; border-bottom: 1px solid rgba(16,39,60,.08); text-align: right; line-height: 1.45; transition: background .14s ease; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #f8faf8; }
td:first-child { text-align: center; }
.rank { width: 58px; color: #819098; font-weight: 620; }
.rank-badge { display: inline-grid; place-items: center; min-width: 25px; height: 25px; color: var(--accent); background: var(--accent-soft); border-radius: 5px; }
td.model-cell { text-align: left; }
.model-button { display: block; padding: 0; color: var(--ink); background: none; border: 0; font-size: 12px; font-weight: 640; text-align: left; }
.model-button:hover { color: var(--accent); }
.model-button:active { transform: translateY(1px); }
.model-meta { display: block; margin-top: 3px; color: #879398; font-size: 8px; }
.model-meta .access-dot { display: inline-block; width: 5px; height: 5px; margin-right: 4px; background: var(--accent-bright); border-radius: 50%; }
.model-meta .access-dot.api { background: #8d82a2; }
td.key-score { color: var(--accent); background: rgba(227,241,237,.35); font-size: 14px; font-weight: 690; }
.positive { color: #16745f; }
.negative { color: var(--danger); }
.board-bottom { display: flex; justify-content: space-between; gap: 15px; align-items: center; padding: 13px 22px; color: var(--muted); border-top: 1px solid var(--line); font-size: 9px; }
.board-bottom > div { display: flex; gap: 18px; align-items: center; }
.text-button { padding: 0; color: var(--accent); background: transparent; border: 0; font-size: 11px; font-weight: 580; text-align: left; }
.text-button:hover { color: var(--ink); }
.text-button:active { transform: translateY(1px); }
.board-bottom a { font-size: 11px; }
.board-footnote { margin-top: 13px; color: var(--muted); font-size: 10px; line-height: 1.7; }
.protocol-details { margin-top: 22px; padding: 0 18px; background: rgba(255,255,255,.45); border-radius: 8px; box-shadow: 0 0 0 1px var(--line); }
.protocol-details summary { display: flex; justify-content: space-between; gap: 20px; padding: 16px 0; color: var(--ink-2); cursor: pointer; font-size: 12px; font-weight: 620; list-style: none; }
.protocol-details summary::-webkit-details-marker { display: none; }
.protocol-details summary span { color: var(--accent); font-size: 16px; transition: transform .16s ease; }
.protocol-details[open] summary span { transform: rotate(45deg); }
.protocol-details p { margin: 0; padding: 0 0 16px; color: var(--muted); font-size: 11px; line-height: 1.75; }
.pool-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; padding: 4px 0 18px; }
.pool-grid > div { display: flex; flex-direction: column; gap: 4px; padding-left: 11px; border-left: 2px solid #c5ded8; }
.pool-grid b { font-size: 10px; font-weight: 560; }
.pool-grid strong { font-size: 17px; letter-spacing: -.04em; }
.pool-grid strong small { font-size: 9px; font-weight: 400; }
.pool-grid span { color: var(--muted); font-size: 9px; }
.figure-panel { margin-top: 22px; padding: 13px; background: var(--white); border-radius: 9px; box-shadow: var(--ring); }
.error-box { margin: 18px 0; padding: 14px 18px; color: #76441e; background: #fff3e9; border-radius: 7px; box-shadow: 0 0 0 1px #eac4a4; font-size: 12px; }
.empty-row { padding: 34px; color: var(--muted); font-size: 13px; text-align: center !important; white-space: normal; }

/* Dataset */
.dataset-section { padding-top: 116px; padding-bottom: 106px; }
.dataset-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: clamp(38px, 6vw, 76px); align-items: center; }
.coverage-figure { min-width: 0; }
.dataset-copy .lead { margin-bottom: 32px; }
.dataset-facts { margin: 0; border-top: 1px solid var(--line); }
.dataset-facts > div { padding: 17px 0; border-bottom: 1px solid var(--line); }
.dataset-facts dt { color: var(--accent); font: 620 9px/1 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.dataset-facts dd { margin: 8px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.dataset-caveat { margin-top: 18px; color: #88949a; font-size: 10px; }
.release-notice { display: grid; grid-template-columns: .8fr 1.35fr auto; gap: 34px; align-items: center; margin-top: 45px; padding: 24px 0; border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line); }
.release-notice .eyebrow { display: block; margin-bottom: 8px; }
.release-notice h3 { font-size: 18px; }
.release-notice p { color: var(--muted); font-size: 11px; line-height: 1.65; }
.release-notice a { font-size: 11px; font-weight: 620; white-space: nowrap; }
.inline-resource small { margin-left: 5px; font-size: 9px; font-weight: 430; }

/* Cases */
.case-section { padding: 108px 0 112px; background: var(--white); border-block: 1px solid var(--line); }
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.case-card { padding: 25px; background: var(--paper); border-radius: 10px; box-shadow: var(--ring); transition: transform .22s ease, box-shadow .22s ease; }
.case-card:hover { transform: translateY(-3px); box-shadow: var(--ring-hover); }
.case-topline { display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font: 620 9px/1 var(--mono); letter-spacing: .08em; }
.case-state { padding: 5px 7px; border-radius: 4px; }
.case-state.persistent { color: #9b3c39; background: #f5e4e2; }
.case-state.repaired { color: #16745f; background: #ddf0e9; }
.case-card h3 { max-width: 430px; margin-top: 18px; font-size: 25px; }
.case-card > p { min-height: 65px; margin-top: 11px; color: var(--muted); font-size: 12px; line-height: 1.65; }
.case-card .image-button { margin: 22px auto 12px; }
.case-card .micro { display: block; }

/* Contribute, citation, footer */
.contribute-section { display: grid; grid-template-columns: 1.22fr .78fr; gap: clamp(44px, 8vw, 110px); padding-top: 104px; padding-bottom: 96px; border-bottom: 1px solid var(--line); }
.contribute-section .eyebrow { margin-bottom: 15px; }
.contribute-section p:not(.eyebrow) { max-width: 650px; margin-top: 20px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.contribute-links { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 13px; }
.citation-section { padding: 94px 0 102px; }
.citation-box { padding: 20px 22px; background: #edf0ed; border-radius: 8px; box-shadow: inset 0 0 0 1px var(--line); }
pre { margin: 0; color: #405968; font: 11px/1.75 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; }
#copy-status { min-height: 20px; margin-top: 7px; }
.site-footer { color: #b4c1c9; background: var(--dark); }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; padding-top: 38px; padding-bottom: 42px; font-size: 10px; }
.site-footer .brand { color: var(--white); }
.site-footer .brand-mark { color: var(--ink); background: var(--white); }
.site-footer p { max-width: 440px; margin-top: 10px; }
.footer-grid > div:last-child { display: flex; flex-direction: column; align-items: end; gap: 6px; }
.site-footer a { color: #8ad3c7; }

/* Dialogs */
dialog { width: min(740px, calc(100% - 32px)); max-height: 88vh; padding: 25px; color: var(--ink); background: var(--white); border: 0; border-radius: 10px; box-shadow: 0 0 0 1px rgba(255,255,255,.16), 0 30px 90px rgba(0,0,0,.32); }
dialog::backdrop { background: rgba(3,17,27,.72); backdrop-filter: blur(4px); }
.dialog-top { display: flex; justify-content: space-between; align-items: start; gap: 20px; margin-bottom: 18px; }
.dialog-top h2 { font-size: 25px; }
.dialog-close { flex-shrink: 0; width: 34px; height: 34px; padding: 0; color: var(--ink); background: var(--white); border: 0; border-radius: 6px; box-shadow: 0 0 0 1px var(--line); font-size: 22px; line-height: 1; transition: background .15s ease, transform .15s ease; }
.dialog-close:hover { background: var(--soft); transform: rotate(3deg); }
#detail-content dl { display: grid; grid-template-columns: 160px 1fr; gap: 8px 13px; margin: 0; font-size: 11px; }
#detail-content dt { color: var(--muted); }
#detail-content dd { margin: 0; overflow-wrap: anywhere; }
#detail-content p { margin-top: 19px; color: var(--muted); font-size: 11px; }
#detail-content a { display: inline-block; margin-top: 12px; font-size: 12px; }
.image-dialog { width: min(1480px, calc(100% - 30px)); padding: 15px; }
.image-dialog .dialog-top { margin-bottom: 12px; font-size: 12px; }
.image-dialog img { width: auto; max-height: 78vh; margin: auto; object-fit: contain; }

/* Progressive motion */
.js-ready .reveal { opacity: 0; transform: translateY(18px); transition: opacity .62s cubic-bezier(.2,.7,.2,1), transform .62s cubic-bezier(.2,.7,.2,1); }
.js-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .container, .container.wide, .nav-wrap { width: calc(100% - 40px); }
  .nav-wrap { grid-template-columns: 1fr auto; }
  .nav-paper { display: none; }
  nav { justify-self: end; gap: 20px; }
  .hero-grid { grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); column-gap: 34px; }
  .hero-heading h1 { font-size: 4.7rem; }
  .method-grid, .findings-grid { gap: 38px; }
  .finding-list article { grid-template-columns: 105px 1fr; }
  .dataset-grid { gap: 35px; }
  .pool-grid { grid-template-columns: repeat(2, 1fr); }
  .release-notice { grid-template-columns: .75fr 1.25fr; }
  .release-notice a { grid-column: 2; }
}

@media (max-width: 800px) {
  html { scroll-padding-top: 68px; }
  .nav-wrap { min-height: 58px; }
  .nav-toggle { display: inline-flex; justify-self: end; align-items: center; gap: 8px; min-height: 34px; padding: 6px 10px; color: var(--ink); background: var(--white); border: 0; border-radius: 6px; box-shadow: 0 0 0 1px var(--line); font-size: 11px; }
  .site-header nav { position: absolute; top: 58px; right: 0; left: 0; display: none; grid-template-columns: repeat(2, 1fr); gap: 0; padding: 8px 20px 15px; background: rgba(247,247,244,.98); border-bottom: 1px solid var(--line); box-shadow: 0 12px 30px rgba(16,39,60,.08); }
  .site-header nav.open { display: grid; }
  nav a { padding: 12px 6px; border-bottom: 1px solid var(--line); font-size: 12px; }
  nav a::after { display: none; }
  .hero-stage { padding-top: 48px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 690px; }
  .hero-heading h1 { font-size: clamp(4.7rem, 16vw, 6.4rem); }
  .paper-title, .tagline { max-width: 650px; }
  .hero-figure { margin-top: 8px; }
  .evidence-rail { grid-template-columns: repeat(2, 1fr); margin-top: 36px; }
  .evidence-rail > div:nth-child(2) { border-right: 0; }
  .evidence-rail > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .evidence-rail > div:first-child, .evidence-rail > div:nth-child(3) { padding-left: 0; }
  .section-intro-grid, .method-grid, .findings-grid, .dataset-grid, .contribute-section { grid-template-columns: 1fr; }
  .story-section, .method-section, .leaderboard-section, .dataset-section, .case-section { padding-top: 82px; padding-bottom: 82px; }
  .section-intro-grid { gap: 30px; }
  .logic-path { grid-template-columns: 1fr; gap: 10px; margin-top: 45px; }
  .logic-step { min-height: 0; border-radius: 8px !important; }
  .logic-arrow { width: 31px; height: 31px; margin: -3px auto; transform: rotate(90deg); }
  .logic-step p { max-width: none; margin-top: 22px; }
  .thesis-note { grid-template-columns: 1fr; gap: 10px; }
  .method-grid { gap: 36px; }
  .method-copy { display: grid; grid-template-columns: .8fr 1.2fr; gap: 35px; align-items: start; }
  .method-list { margin-top: 0; }
  .probe-strip { margin-top: 35px; }
  .findings-section { padding: 84px 0; }
  .diagnostic-stage { margin-top: 8px; }
  .snapshot-note { flex-wrap: wrap; }
  .snapshot-note p { flex-basis: 70%; }
  .snapshot-note .micro { max-width: none; margin-left: auto; }
  .board-controls label { flex: 1; min-width: 165px; }
  .board-controls .search-field { min-width: 100%; }
  .board-controls input, .board-controls select { width: 100%; }
  .dataset-grid { gap: 36px; }
  .dataset-copy { display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px; align-items: start; }
  .dataset-copy .lead { margin-bottom: 0; }
  .dataset-caveat { grid-column: 2; }
  .release-notice { grid-template-columns: 1fr; gap: 18px; }
  .release-notice a { grid-column: auto; }
  .case-grid { grid-template-columns: 1fr; }
  .case-card > p { min-height: 0; }
  .contribute-section { gap: 35px; padding-top: 82px; padding-bottom: 75px; }
}

@media (max-width: 560px) {
  .container, .container.wide, .nav-wrap { width: calc(100% - 30px); }
  h2 { font-size: clamp(2.15rem, 12vw, 3.2rem); }
  .hero-stage { padding-top: 34px; }
  .hero-heading h1 { font-size: clamp(3rem, 13vw, 4.3rem); letter-spacing: -.065em; }
  .paper-title { font-size: 1.35rem; }
  .tagline { font-size: 13px; }
  .resource-links .button { flex: 1 1 calc(50% - 8px); padding-inline: 10px; }
  .hero-figure { padding: 10px; }
  .figure-label b { font-size: 10px; }
  .hero-figure figcaption { font-size: 9px; }
  .zoom-cue { display: none; }
  .evidence-rail strong { font-size: 1.75rem; }
  .evidence-rail > div { padding: 16px 12px; }
  .evidence-rail p { font-size: 9px; }
  .snapshot-micro { text-align: left; }
  .story-section, .method-section, .leaderboard-section, .dataset-section, .case-section { padding-top: 68px; padding-bottom: 68px; }
  .section-heading { align-items: start; margin-bottom: 24px; }
  .section-index { display: none; }
  .section-copy { font-size: 14px; }
  .logic-step { padding: 18px; }
  .logic-step > div { margin-top: 25px; }
  .logic-step strong { font-size: 2.6rem; }
  .thesis-note p { font-size: 1.18rem; }
  .method-copy, .dataset-copy { grid-template-columns: 1fr; gap: 24px; }
  .method-list { margin-top: 0; }
  .paper-figure { padding: 8px; }
  .probe-strip { grid-template-columns: 1fr; }
  .probe-strip > div { padding: 15px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .probe-strip > div:last-child { border-bottom: 0; }
  .findings-section { padding: 68px 0; }
  .finding-list article { grid-template-columns: 92px 1fr; gap: 14px; }
  .finding-list strong { font-size: 25px; }
  .diagnostic-stage { padding: 9px; }
  .snapshot-note .pill { order: 0; }
  .snapshot-note p { order: 2; flex-basis: 100%; }
  .snapshot-note .micro { order: 1; margin-left: auto; }
  .board-tabs { gap: 18px; padding: 0 13px; overflow-x: auto; }
  .board-tabs button { font-size: 10px; }
  .board-controls { padding: 14px 13px 6px; }
  .board-controls label { min-width: 130px; font-size: 8px; }
  .view-description { padding: 9px 13px 13px; font-size: 10px; }
  thead th, td { padding: 12px !important; }
  thead th.model-column { min-width: 180px; }
  .board-bottom { flex-direction: column; align-items: start; padding: 12px 13px; }
  .protocol-details { padding: 0 13px; }
  .pool-grid { grid-template-columns: 1fr 1fr; gap: 14px 8px; }
  .dataset-caveat { grid-column: auto; }
  .release-notice { margin-top: 32px; }
  .case-card { padding: 18px; }
  .case-card h3 { font-size: 21px; }
  .citation-section { padding: 68px 0 74px; }
  .citation-box { padding: 15px; }
  pre { font-size: 9px; }
  .footer-grid { flex-direction: column; }
  .footer-grid > div:last-child { align-items: start; }
  dialog { padding: 18px; }
  #detail-content dl { grid-template-columns: 1fr; gap: 2px; }
  #detail-content dd { margin-bottom: 9px; }
  .image-dialog { padding: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .js-ready .reveal { opacity: 1; transform: none; }
}
