/* ---------- Fonts + reset ---------- */
:root {
  --bg: #f5f1ea;
  --bg-2: #efeadf;
  --ink: #1c1a17;
  --ink-2: #3a3730;
  --ink-3: #6b665c;
  --ink-dim: #9a948a;
  --rule: #d9d2c4;
  --rule-strong: #b8b0a0;
  --teal: #4a6e6e;

  --font-display: "EB Garamond", Georgia, serif;
  --font-body: "Source Serif 4", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --mono: var(--font-mono);
  --display-weight: 500;
  --display-tracking: -0.01em;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "kern", "liga";
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
html[data-content="center"] .container { max-width: 860px; }
html[data-content="center"] .site-header .container { max-width: 1200px; }
html[data-content="center"] .lb-wrap > *,
html[data-content="center"] .trend-wrap > * { max-width: 860px; }
html[data-content="center"][data-content-snug="on"] .container { max-width: 1040px; }
html[data-content="center"][data-content-snug="on"] .site-header .container { max-width: 1200px; }
html[data-content="center"][data-content-snug="on"] .lb-wrap > *,
html[data-content="center"][data-content-snug="on"] .trend-wrap > * { max-width: 1040px; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.mono-small {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}
.dim { color: var(--ink-dim); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 18px;
}
html[data-ds-eyebrow="off"] .ds-eyebrow { display: none; }

/* tweak: larger small/UI text */
html[data-ui-text="large"] .mono-small,
html[data-ui-text="large"] .eyebrow { font-size: 13px; }
html[data-ui-text="large"] .nav-link,
html[data-ui-text="large"] .nav-dd-trigger { font-size: 13.5px; }
html[data-ui-text="large"] .filter-label { font-size: 12.5px; }
html[data-ui-text="large"] .filter-chip { font-size: 13.5px; }
html[data-ui-text="large"] .lb-filter-meta { font-size: 12.5px; }
html[data-ui-text="large"] .lmca-arxiv { font-size: 13px; }
html[data-ui-text="large"] .btn-apply { font-size: 13.5px; }
html[data-ui-text="large"] .dd-trigger,
html[data-ui-text="large"] .dd-item { font-size: 13.5px; }
html[data-ui-text="large"] .lb-sub-label { font-size: 12.5px; }
html[data-ui-text="large"] .col-rank { font-size: 15.5px; }
html[data-ui-text="large"] .score-num { font-size: 20px; }
html[data-ui-text="large"] .lb-table thead th { font-size: 12.5px; }
html[data-ui-text="large"] .wordmark { font-size: 16.5px; }
html[data-ui-text="large"] .score-label,
html[data-ui-text="large"] .chart-model-name { font-size: 1.06em; }
html[data-ui-text="large"] .lb-caret { font-size: 1.05em; }

/* arXiv link — styles switch on html[data-arxiv-style] */
.lmca-arxiv-wrap { margin-top: 18px; margin-bottom: 30px; }
.ds-hero-links { display: flex; gap: 18px; align-items: center; margin: 18px 0 26px; }

/* eyebrow row with resource links (link position = top) */
.ds-hero-toprow {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
}
.ds-hero-toprow .ds-hero-links,
.ds-hero-toprow .lmca-arxiv-wrap { margin: 0; flex: none; white-space: nowrap; }

/* link placement: show only the active variant */
.ds-hero-links--top, .ds-hero-links--inline,
.lmca-arxiv-wrap--top, .lmca-arxiv-wrap--inline { display: none; }
html[data-link-pos="top"] .ds-hero-links--top,
html[data-link-pos="top"] .lmca-arxiv-wrap--top { display: flex; }
html[data-link-pos="below"] .ds-hero-links--inline,
html[data-link-pos="right"] .ds-hero-links--inline,
html[data-link-pos="below"] .lmca-arxiv-wrap--inline,
html[data-link-pos="right"] .lmca-arxiv-wrap--inline { display: flex; }

/* tweak: links to the right of the title (positioned by the last line, title unchanged) */
html[data-link-pos="right"] .ds-hero-titlerow {
  position: relative;
}
html[data-link-pos="right"] .ds-hero-titlerow .ds-hero-title,
html[data-link-pos="right"] .ds-hero-titlerow .subhero-title {
  margin-right: 200px;
}
html[data-link-pos="right"] .ds-hero-titlerow .ds-hero-links,
html[data-link-pos="right"] .ds-hero-titlerow .lmca-arxiv-wrap {
  position: absolute;
  right: 0;
  bottom: 0;
  margin: 0;
  flex: none;
  white-space: nowrap;
}
.lmca-arxiv {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}
.lmca-arxiv:hover { text-decoration: underline; }
.lmca-arxiv-arrow { font-size: 0.95em; }

/* inline text link (e.g. a dataset name in running text) */
.text-link {
  color: var(--teal);
  text-decoration: none;
  transition: color 0.15s;
}
.text-link:hover { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }

/* outlined button (subtler + smaller than Apply for access) */
html[data-arxiv-style="button"] .lmca-arxiv {
  border: 1px solid var(--rule-strong);
  padding: 5px 11px;
  color: var(--ink-2);
  transition: border-color .15s, color .15s;
}
html[data-arxiv-style="button"] .lmca-arxiv:hover {
  text-decoration: none;
  border-color: var(--teal);
  color: var(--teal);
}

/* plain underlined serif link */
html[data-arxiv-style="underline"] .lmca-arxiv {
  display: inline;
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: 0;
  text-transform: none;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
html[data-arxiv-style="underline"] .lmca-arxiv-arrow { display: inline-block; margin-left: 3px; text-decoration: none; }

/* page-end links: same page links repeated at the bottom. Variants switch on
   html[data-end-links]. The "natural-reading" variants (read / deeper / sources)
   left-align in the prose column and lead in with a motivating phrase so the eye
   continues straight from the body text into the links. Wording comes from CSS so a
   single markup works across pages. */
.page-end-links {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  margin: 8px 0 4px;
  padding-top: 30px;
}
.page-end-label {
  display: none;
  font-family: var(--font-body);
  color: var(--ink-2);
  font-size: 18px;
  line-height: 1.5;
}
.page-end-label::before { content: ""; }

/* --- centered family --- */
html[data-end-links="plain"] .page-end-links { justify-content: center; }

html[data-end-links="more"] .page-end-links { justify-content: center; gap: 6px 14px; }
html[data-end-links="more"] .page-end-label { display: inline; color: var(--ink-3); font-size: 16px; }
html[data-end-links="more"] .page-end-label::before { content: "More info:"; }

html[data-end-links="caption"] .page-end-links { justify-content: center; }
html[data-end-links="caption"] .page-end-label {
  display: block;
  flex-basis: 100%;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 4px;
}
html[data-end-links="caption"] .page-end-label::before { content: "More info"; }

html[data-end-links="rule"] .page-end-links {
  justify-content: center;
  border-top: 1px solid var(--rule);
}

/* --- natural-reading family: left-aligned, reads as the closing line --- */
html[data-end-links="read"] .page-end-links,
html[data-end-links="deeper"] .page-end-links,
html[data-end-links="sources"] .page-end-links { justify-content: flex-start; gap: 6px 14px; }

html[data-end-links="read"] .page-end-label,
html[data-end-links="deeper"] .page-end-label,
html[data-end-links="sources"] .page-end-label { display: inline; }

/* links sit in the sentence at body size in the natural variants */
html[data-end-links="read"] .lmca-arxiv,
html[data-end-links="deeper"] .lmca-arxiv,
html[data-end-links="sources"] .lmca-arxiv { font-size: 18px; }

html[data-end-links="read"] .page-end-label::before { content: "Keep reading —"; }
html[data-end-links="deeper"] .page-end-label::before { content: "Want to go deeper? Read the full write-up:"; }
html[data-end-links="sources"] .page-end-label::before { content: "Read the paper and explore the data:"; }

/* "More info:" left-aligned, links inline right after (like the natural variants) */
html[data-end-links="moreLeft"] .page-end-links { justify-content: flex-start; gap: 6px 14px; }
html[data-end-links="moreLeft"] .page-end-label { display: inline; color: var(--ink-3); }
html[data-end-links="moreLeft"] .page-end-label::before { content: "More info:"; }
html[data-end-links="moreLeft"] .lmca-arxiv { font-size: 18px; }

/* "More info:" pinned left, links centered in the row */
html[data-end-links="moreSplit"] .page-end-links { justify-content: center; gap: 6px 14px; position: relative; }
html[data-end-links="moreSplit"] .page-end-label {
  display: inline;
  position: absolute;
  left: 0;
  top: 30px;
  color: var(--ink-3);
}
html[data-end-links="moreSplit"] .page-end-label::before { content: "More info:"; }
html[data-end-links="moreSplit"] .lmca-arxiv { font-size: 18px; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(1.1);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-direction: var(--brand-flow, row);
  height: var(--header-h, 68px);
}
.wordmark {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 15px;
  line-height: 1;
  color: var(--ink);
  white-space: nowrap;
}
.wordmark--full {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --- Teal bar header --- */
.header--tealbar .tealbar {
  background: var(--teal);
  color: var(--bg);
}
.tealbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 34px;
  color: rgba(245, 241, 234, 0.92);
}
.tealbar-cta { color: var(--bg); }
.header--tealbar { background: var(--bg); }

/* --- Brand lockup (CRI + Redwood) --- */
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-direction: var(--brand-order, row);
}
.brand-lockup .wordmark { flex: none; }
.brand-divider {
  width: 1px;
  height: 20px;
  background: var(--rule-strong);
  flex: none;
}
.redwood-logo {
  height: 18px;
  width: 69px;
  display: block;
  flex: none;
  position: relative;
  top: 0;
  background-color: var(--redwood-ink, var(--teal));
  -webkit-mask: url(assets/redwood_logo.svg) no-repeat center / contain;
  mask: url(assets/redwood_logo.svg) no-repeat center / contain;
}
.header--inverted .brand-divider { background: rgba(245, 241, 234, 0.4); }
.header--inverted .redwood-logo { background-color: var(--bg); }
.brand-lockup--logo-only .redwood-logo { height: 25px; width: 96px; }

/* --- Accent dot header --- */
.wordmark--accent {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.wm-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  display: inline-block;
}
.header--accent .nav-link:hover {
  color: var(--bg);
  background: var(--teal);
  padding: 6px 10px;
  margin: 0 -10px;
}
.header--accent .nav-link.is-active {
  color: var(--teal);
  border-bottom-color: var(--teal);
  border-bottom-width: 2px;
}

/* --- Inverted header --- */
.header--inverted {
  background: var(--teal);
  border-bottom: 1px solid var(--teal);
}
.header--inverted .wordmark { color: var(--bg); }
.header--inverted .nav-link {
  color: rgba(245, 241, 234, 0.75);
}
.header--inverted .nav-link:hover { color: var(--bg); }
.header--inverted .nav-link.is-active {
  color: var(--bg);
  border-bottom-color: var(--bg);
}

.nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-link {
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
  transition: color .15s, border-color .15s;
}
.nav-link:hover { color: var(--teal); }
.nav-link.is-active { color: var(--teal); border-bottom-color: var(--teal); }

/* Datasets dropdown in the nav */
.nav-dd { position: relative; display: inline-flex; align-items: center; }
.nav-dd-trigger {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.nav-dd-trigger:hover,
.nav-dd.is-open .nav-dd-trigger { color: var(--teal); }
.nav-dd.is-active .nav-dd-trigger { color: var(--teal); border-bottom-color: var(--teal); }
/* tweak: tinted pill behind the "Datasets" trigger */
html[data-ds-nav-bg="on"] .nav-dd-trigger {
  background: color-mix(in srgb, var(--teal) 12%, transparent);
  padding: 6px 12px;
  border-radius: 999px;
  border-bottom-color: transparent;
}
html[data-ds-nav-bg="on"] .nav-dd-trigger:hover,
html[data-ds-nav-bg="on"] .nav-dd.is-open .nav-dd-trigger {
  background: color-mix(in srgb, var(--teal) 20%, transparent);
}
html[data-ds-nav-bg="on"] .nav-dd.is-active .nav-dd-trigger { border-bottom-color: transparent; }
.nav-dd-caret { font-size: 8px; color: var(--ink-3); transition: transform .18s, color .15s; }
.nav-dd.is-open .nav-dd-caret { transform: rotate(180deg); color: var(--teal); }
.nav-dd-menu {
  position: absolute;
  top: calc(100% + 16px);
  right: 0;
  z-index: 40;
  width: 360px;
  background: var(--bg);
  border: 1px solid var(--rule-strong);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.10);
  padding: 4px;
  display: none;
}
.nav-dd.is-open .nav-dd-menu { display: block; }
.nav-dd-item { display: block; padding: 14px 16px; border-bottom: 1px solid var(--rule); }
.nav-dd-menu--compact { width: 248px; padding: 4px; }
.nav-dd-menu--compact .nav-dd-item { padding: 11px 14px; }
.nav-dd-menu--compact .nav-dd-name {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 12.5px;
  letter-spacing: 0.04em;
}
.nav-dd-item:last-child { border-bottom: 0; }
.nav-dd-item:hover { background: var(--hover-wash, rgba(74, 110, 110, 0.05)); }
.nav-dd-item.is-active .nav-dd-name { color: var(--teal); }

/* ---- Datasets menu style tweak ---- */
/* Flat: drop the popover shadow, sit closer to the trigger, lighter hairline */
html[data-ds-menu="flat"] .nav-dd-menu {
  top: calc(100% + 7px);
  box-shadow: none;
  border-color: var(--rule);
}
/* Editorial: serif names, roomier rows, hairline-divided, no shadow */
html[data-ds-menu="editorial"] .nav-dd-menu {
  top: calc(100% + 8px);
  box-shadow: none;
  border-color: var(--rule-strong);
  width: 268px;
  padding: 0;
}
html[data-ds-menu="editorial"] .nav-dd-menu--compact .nav-dd-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
}
html[data-ds-menu="editorial"] .nav-dd-menu--compact .nav-dd-item:last-child { border-bottom: 0; }
html[data-ds-menu="editorial"] .nav-dd-menu--compact .nav-dd-name {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 500);
  font-size: 16px;
  letter-spacing: -0.005em;
}
.nav-dd-name {
  display: block;
  font-family: var(--font-display);
  font-weight: var(--display-weight, 500);
  letter-spacing: -0.01em;
  font-size: 19px;
  line-height: 1.1;
  color: var(--ink);
  transition: color .15s;
}
.nav-dd-item:hover .nav-dd-name { color: var(--teal); }
.nav-dd-desc {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--ink-3);
  margin-top: 4px;
}
.header--inverted .nav-dd-trigger { color: rgba(245, 241, 234, 0.75); }
.header--inverted .nav-dd-trigger:hover,
.header--inverted .nav-dd.is-open .nav-dd-trigger { color: var(--bg); }

/* Nav separator */
.nav-sep {
  width: 1px;
  height: 14px;
  background: var(--rule);
  flex-shrink: 0;
}
.header--inverted .nav-sep { background: rgba(245, 241, 234, 0.2); }

/* Two-line nav labels (descriptive benchmark names) */
.nav-link--stack {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.18;
  text-align: left;
  max-width: none;
  padding-top: 2px;
  padding-bottom: 3px;
}
.nav-link--stack .nav-link-sub { color: var(--ink-3); transition: color .15s; }
.nav-link--stack:hover .nav-link-sub { color: var(--teal); }
.nav-link--stack.is-active .nav-link-sub { color: var(--teal); }
.header--inverted .nav-link--stack .nav-link-sub { color: rgba(245, 241, 234, 0.55); }
.header--inverted .nav-link--stack:hover .nav-link-sub,
.header--inverted .nav-link--stack.is-active .nav-link-sub { color: var(--bg); }

/* ---------- Dataset nav group treatments ---------- */
.nav-ds-group {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 28px;
}

/* "Datasets" kicker label before the group */
.nav-ds-kicker {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  align-self: center;
  user-select: none;
}
.header--inverted .nav-ds-kicker { color: rgba(245, 241, 234, 0.5); }

/* Group label placements */
.nav-ds-kicker--inline { align-self: center; }

/* Row above / below: links stay on the nav line (aligned with the other items);
   the label is lifted out of flow into reserved header padding so it never
   pushes the links off-axis. */
.nav-ds-group--labelled { position: relative; }
.nav-ds-kicker--stacked {
  position: absolute;
  left: 0;
  line-height: 1;
  white-space: nowrap;
}
.nav-ds-group--label-above .nav-ds-kicker--stacked {
  bottom: calc(100% + 4px);
  left: 0;
  right: 0;
  text-align: center;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--rule-strong);
}
.nav-ds-group--label-below .nav-ds-kicker--stacked {
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  text-align: center;
  padding-top: 5px;
  border-top: 1px solid var(--rule-strong);
}
.header--inverted .nav-ds-group--label-above .nav-ds-kicker--stacked,
.header--inverted .nav-ds-group--label-below .nav-ds-kicker--stacked { border-color: rgba(245, 241, 234, 0.4); }

/* Reserve header room so the lifted label breathes instead of hugging the edge */
.site[data-ds-label="above"] .header-inner { padding-top: 28px; }
.site[data-ds-label="below"] .header-inner { padding-bottom: 28px; }
/* Center only the logo within the full header height — the one-sided reserved
   padding above pushes it down, so lift it back by half that padding. The nav
   links are unaffected. */
.site[data-ds-label="above"] .brand-lockup { transform: translateY(-14px); }
.site[data-ds-label="below"] .brand-lockup { transform: translateY(14px); }

/* ============ Navbar fit tweak (consistent across all pages) ============ */
/* When datasets is a dropdown there's no stacked label — drop the reserved
   label padding + logo nudge so the bar is compact and the logo aligns with text. */
html[data-ds-nav="dropdown"] .site[data-ds-label="above"] .header-inner,
html[data-ds-nav="dropdown"] .site[data-ds-label="below"] .header-inner { padding-top: 0; padding-bottom: 0; }
html[data-ds-nav="dropdown"] .site[data-ds-label] .brand-lockup { transform: none; }

/* Height is authoritative on every page (overrides the --header-h slider) */
html[data-nav-fit="roomy"] .header-inner { height: 64px; }
html[data-nav-fit="snug"]  .header-inner { height: 50px; }

@media (min-width: 681px) {
  /* Roomy: everything vertically centered; active underline floats above the bottom rule */
  html[data-nav-fit="roomy"] .header-inner { align-items: center; }

  /* Snug: nav links run full height so the active underline sits ON the header's bottom rule */
  html[data-nav-fit="snug"] .header-inner { align-items: stretch; }
  html[data-nav-fit="snug"] .brand-lockup,
  html[data-nav-fit="snug"] .nav-dd,
  html[data-nav-fit="snug"] .nav-ds-group,
  html[data-nav-fit="snug"] .nav-ds-kicker--inline { align-self: center; }
  html[data-nav-fit="snug"] .nav { align-items: stretch; }
  html[data-nav-fit="snug"] .nav > .nav-link {
    display: inline-flex;
    align-items: center;
    padding-top: 0;
    padding-bottom: 0;
    margin-bottom: -1px;
  }
}

/* Sublabel "label on row": main label sits on the nav baseline, "dataset" hangs below, made subtle */
.nav--ds-baseline { align-items: baseline; }
.nav--ds-baseline .nav-link--stack { padding-top: 0; }
.nav--ds-baseline .nav-link-sub {
  font-size: 8.5px;
  letter-spacing: 0.06em;
  opacity: 0.55;
  margin-top: 1px;
}

/* Pill: soft filled container hugging the three links */
.nav-ds-group--pill {
  gap: 18px;
  padding: 2px 14px;
  background: var(--bg-2);
  border-radius: 999px;
}
.nav-ds-group--pill .nav-link {
  padding-top: 1px;
  padding-bottom: 1px;
  border-bottom: 0;
}
.nav-ds-group--pill.nav-ds-group--labelled.nav-ds-group--label-above .nav-ds-kicker--stacked {
  border-bottom: 0;
  padding-bottom: 0;
  bottom: calc(100% + 1px);
}
.nav-ds-group--pill.nav-ds-group--labelled.nav-ds-group--label-below .nav-ds-kicker--stacked {
  border-top: 0;
  padding-top: 0;
  top: calc(100% + 1px);
}
.header--inverted .nav-ds-group--pill { background: rgba(245, 241, 234, 0.12); }

/* Brackets: mono [ … ] framing the group */
.nav-ds-group--bracket { gap: 22px; }
.nav-ds-group--bracket::before,
.nav-ds-group--bracket::after {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink-3);
  font-weight: 400;
}
.nav-ds-group--bracket::before { content: "["; }
.nav-ds-group--bracket::after { content: "]"; }
.header--inverted .nav-ds-group--bracket::before,
.header--inverted .nav-ds-group--bracket::after { color: rgba(245, 241, 234, 0.45); }

/* Dot marker before each dataset link */
.nav-ds-group--dot .nav-ds-link { display: inline-flex; align-items: center; }
.nav-ds-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal);
  margin-right: 8px;
  flex-shrink: 0;
}
.header--inverted .nav-ds-dot { background: var(--bg); }

/* Teal tint: dataset links carry the accent color by default */
.nav-ds-group--tint .nav-ds-link { color: var(--teal); }
.nav-ds-group--tint .nav-ds-link:hover { opacity: 0.7; }
.header--inverted .nav-ds-group--tint .nav-ds-link { color: var(--bg); }

/* Tweak: dataset group in a distinct (non-teal) color */
/* "Datasets" kicker + its underline always take the accent when on.
   The three links take it only when scope is "all" (not "label"). */
html[data-ds-color="on"] .nav-ds-kicker { color: var(--ds-accent); }
html[data-ds-color="on"]:not([data-ds-color-scope="label"]) .nav-ds-label { color: var(--ds-accent); }
html[data-ds-color="on"] .nav-ds-group--label-above .nav-ds-kicker--stacked,
html[data-ds-color="on"] .nav-ds-group--label-below .nav-ds-kicker--stacked { border-color: var(--ds-accent); }
html[data-ds-color="on"] .nav-ds-link:hover .nav-ds-label { opacity: 0.7; }

/* ---------- Hero ---------- */
/* ---------- Tweak: Leaderboard focus (front-and-center) ----------
   Bundles the layout changes that pull the ranking up and make it the
   centerpiece: compact hero, no "Leaderboard" eyebrow, thinner filter
   strip, heavier table, and a champion treatment for #1. */
html[data-lb-focus="on"] .hero { padding-top: 40px; }
html[data-lb-focus="on"] .hero .container { padding-bottom: 8px; }
html[data-lb-focus="on"] .hero-title { font-size: clamp(28px, 3.2vw, 38px) !important; margin-bottom: 12px; }
html[data-lb-focus="on"] .hero-lede { font-size: 17px; line-height: 1.5; margin-bottom: 24px; max-width: 560px; }
/* drop the "Leaderboard" eyebrow above the table */
html[data-lb-focus="on"] .lb-head { display: none; }
/* tweak: hide the "Leaderboard" eyebrow on its own (focus off) so the table sits higher */
html[data-lb-eyebrow="off"] .lb-head { display: none; }
/* thinner filter strip */
html[data-lb-focus="on"] .lb-filters { gap: 12px 20px; padding-top: 4px; padding-bottom: 14px; }
/* heavier table presence */
html[data-lb-focus="on"] .lb-table tbody td { padding-top: 24px; padding-bottom: 24px; }
html[data-lb-focus="on"] .score-num { font-size: 22px; }
html[data-lb-focus="on"] .score-bar { height: 24px; }
html[data-lb-focus="on"] .col-rank { font-size: 16px; }
html[data-lb-focus="on"] .model-name { font-size: 22px; }

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 0;
}
.hero .container {
  padding-bottom: var(--hero-gap, 20px);
}
/* leaderboard page: standard side margins (default) — as wide as possible while keeping the three filter groups on one line (the datapoint count may wrap) */
.hero .container,
.datasets .container { max-width: 1276px; padding-left: 40px; padding-right: 40px; }
/* keep the header (Redwood logo) aligned with the leaderboard content */
html[data-lb-margins="tight"] .site-header .container { max-width: 1276px; padding-left: 40px; padding-right: 40px; }

/* narrowest margins variant */
html[data-lb-margins="narrowest"] .lb-wrap > *,
html[data-lb-margins="narrowest"] .trend-wrap > *,
html[data-lb-margins="narrowest"] .hero .container,
html[data-lb-margins="narrowest"] .datasets .container,
html[data-lb-margins="narrowest"] .site-header .container {
  max-width: 1400px;
  padding-left: 28px;
  padding-right: 28px;
}
html[data-lb-margins="narrowest"] .lb-filters { padding-left: 28px; padding-right: 28px; }
html[data-lb-margins="narrowest"] .lb-table-wrap { padding-left: 28px; padding-right: 28px; }

/* tweak: restore the original wider margins */
html[data-lb-margins="wide"] .lb-wrap > *,
html[data-lb-margins="wide"] .trend-wrap > *,
html[data-lb-margins="wide"] .hero .container,
html[data-lb-margins="wide"] .datasets .container {
  max-width: 1200px;
  padding-left: 40px;
  padding-right: 40px;
}
html[data-lb-margins="wide"] .lb-filters { padding-left: 40px; padding-right: 40px; }
html[data-lb-margins="wide"] .lb-table-wrap { padding-left: 40px; padding-right: 40px; }
html[data-lb-margins="wide"] .site-header .container { max-width: 1200px; padding-left: 40px; padding-right: 40px; }

/* tweak: wide table — the text/header sit at the methodology text width (1200) and the
   leaderboard/graph extend to the methodology graph width (1300). Left edges stay aligned
   (logo, hero, filters, table all share one left edge); the table is wider only on the
   right, so there's no awkward leftward stagger. */
html[data-lb-table="wide"] .hero .container,
html[data-lb-table="wide"] .datasets .container,
html[data-lb-table="wide"] .site-header .container { max-width: 1200px; padding-left: 40px; padding-right: 40px; }
html[data-lb-table="wide"] .lb-wrap > *,
html[data-lb-table="wide"] .trend-wrap > * {
  max-width: 1276px;
  margin-left: max(0px, calc(50% - 600px));
  margin-right: auto;
  padding-left: 40px;
  padding-right: 40px;
}
html[data-lb-table="wide"] .lb-filters { padding-left: 40px; padding-right: 40px; }
html[data-lb-table="wide"] .lb-table-wrap { padding-left: 40px; padding-right: 40px; }
.hero-title {
  font-family: var(--font-display);
  font-size: var(--hero-size, clamp(30px, 4vw, 48px));
  line-height: 1.05;
  letter-spacing: var(--display-tracking);
  font-weight: var(--display-weight);
  max-width: 900px;
  margin: 0 0 28px 0;
  text-wrap: balance;
}

.hero-title em {
  font-style: italic;
  color: var(--teal);
}

.hero-lede {
  font-family: var(--font-body);
  font-size: var(--hero-lede-size, 20px);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 720px;
  margin: 0 0 48px;
  text-wrap: pretty;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  max-width: 720px;
}
.meta-item { display: flex; flex-direction: column; gap: 8px; }
.meta-label { color: var(--ink-3); }
.meta-val {
  font-size: 26px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.meta-divider {
  width: 1px;
  height: 32px;
  background: var(--rule);
}

/* ---------- Section shell ---------- */
.section-head {
  margin-bottom: 40px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  margin: 0;
  max-width: 720px;
  text-wrap: balance;
}

/* ---------- Trend chart ---------- */
.trend-wrap {
  padding: 8px 0 64px;
  scroll-margin-top: 88px;
}
.trend-wrap > * { max-width: 1276px; margin-left: auto; margin-right: auto; padding-left: 40px; padding-right: 40px; }
/* tweak: align the trend graph to the text container width */
html[data-graph-fit="margins"] .trend-wrap > * { max-width: 1200px; }
/* tweak: constrain methodology text to the reading width used by about/dataset pages */
html[data-method-text="constrained"] .page-hero .container { max-width: 860px; }
.trend-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.trend-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
}
.trend-note { padding-bottom: 6px; }

.trend-plot { position: relative; }
.trend-svg { width: 100%; height: auto; display: block; overflow: visible; }

.tc-grid { stroke: var(--rule); stroke-width: 1; }
.tc-axis { stroke: var(--rule-strong); stroke-width: 1; }
.tc-tick { stroke: var(--rule-strong); stroke-width: 1; }
.tc-ylabel, .tc-xlabel {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--ink-3);
}
.tc-axis-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  fill: var(--ink-3);
}
.tc-pt {
  cursor: pointer;
  transition: r .12s;
}

.tc-tooltip {
  position: absolute;
  transform: translate(-50%, calc(-100% - 14px));
  background: var(--bg);
  border: 1px solid var(--rule-strong);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  padding: 8px 12px 10px;
  min-width: 130px;
  pointer-events: none;
  z-index: 5;
}
.tc-tt-name { font-family: var(--font-display); font-size: 16px; line-height: 1.2; }
.tc-tt-meta { color: var(--ink-3); margin-top: 2px; }
.tc-tt-score {
  font-family: var(--font-display);
  font-size: 22px;
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

.trend-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 22px;
}
.tc-leg {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--ink-2);
}
.tc-leg-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }

/* ---------- Leaderboard ---------- */
.lb-wrap {
  padding: var(--hero-gap, 48px) 0 56px;
  scroll-margin-top: 88px;
}
.lb-wrap > * { max-width: 1276px; margin-left: auto; margin-right: auto; padding-left: 40px; padding-right: 40px; }

.lb-head { margin-bottom: 32px; }
.lb-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  margin: 0;
  max-width: 720px;
  text-wrap: balance;
}

/* Filters */
.lb-filters {
  display: flex;
  gap: 16px 20px;
  align-items: flex-end;
  flex-wrap: wrap;
  padding: 14px 40px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 0;
}
/* tweak: drop the rule above the leaderboard filter row */
html[data-lb-filter-line="off"] .lb-filters { border-top: 0; }
.filter-group { display: flex; flex-direction: column; gap: 8px; }
.filter-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.filter-opts { display: flex; gap: 5px; flex-wrap: wrap; }
.filter-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  padding: 6px 10px;
  border: 1px solid var(--rule);
  color: var(--ink-2);
  background: transparent;
  border-radius: 0;
  white-space: nowrap;
  transition: all .15s;
}
.filter-chip:hover { border-color: var(--rule-strong); color: var(--ink); }
.filter-chip.is-active {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--bg);
}
.lb-filter-meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* Company multi-select dropdown */
.company-dd { position: relative; }
.dd-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-width: 180px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  padding: 6px 12px;
  border: 1px solid var(--rule);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: border-color .15s;
}
.dd-trigger:hover { border-color: var(--rule-strong); }
.dd-trigger.is-open { border-color: var(--ink-3); }
.dd-caret { font-size: 10px; color: var(--ink-3); }
.dd-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 30;
  min-width: 240px;
  background: var(--bg);
  border: 1px solid var(--rule-strong);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.10);
  padding: 6px;}
/* tweak: drop the leaderboard dropdown shadow */
html[data-lb-dd-shadow="off"] .dd-menu { box-shadow: none; }
.dd-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 8px 8px;
  background: transparent;
  border: none;
  color: var(--ink);
  font: inherit;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  white-space: nowrap;
  cursor: pointer;
}
.dd-item:hover { background: var(--bg-2); }
.dd-item.is-active { color: var(--teal); }
.dd-item--toggle { color: var(--ink-2); }
.dd-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  flex: none;
  border: 1px solid var(--rule-strong);
  font-size: 11px;
  line-height: 1;
  color: var(--bg);
}
.dd-check.is-on { background: var(--teal); border-color: var(--teal); }
.dd-logo { height: 16px; width: auto; max-width: 26px; object-fit: contain; flex: none; }
.dd-logo[data-org="Meta"]            { height: 13px; }
.dd-logo[data-org="xAI"]             { height: 14px; }
.dd-logo[data-org="Google DeepMind"] { height: 17px; }
.dd-logo[data-org="Mistral"]         { height: 15px; }
.dd-sep { height: 1px; background: var(--rule); margin: 6px 0; }
.dd-actions { display: flex; gap: 8px; padding: 4px 8px 2px; }
.dd-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-3);
  background: none;
  border: none;
  padding: 4px 0;
  cursor: pointer;
}
.dd-link:hover { color: var(--teal); }

/* Table */
.lb-table-wrap {
  padding: 0 40px;
}
.lb-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
}
.lb-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: left;
  padding: 18px 16px;
  border-bottom: 1px solid var(--rule);
}
.lb-table thead th.col-score { text-align: left; }
.lb-table tbody td {
  padding: 22px 16px;
  border-bottom: 1px solid var(--row-rule, var(--rule));
  vertical-align: middle;
}
.lb-table tbody tr:last-child td { border-bottom: 1px solid var(--rule); }
.lb-table tbody tr:hover td {
  background: rgba(74, 110, 110, 0.04);
}

.col-rank { width: 56px; color: var(--ink-3); font-size: 14px; }
.col-model { width: 22%; white-space: nowrap; }
.col-org { color: var(--ink-2); width: 22%; }
.col-date { color: var(--ink-3); width: 14%; }
.col-score { width: 72%; }

/* org badge — original monogram marks, not real logos */
.org-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.org-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--bg-2);
  color: var(--ink);
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid var(--rule);
  flex: none;
}
.org-badge[data-org="OpenAI"] .org-mark {
  background: oklch(0.92 0.05 150);
  color: oklch(0.32 0.08 150);
  border-color: oklch(0.82 0.06 150);
}
.org-badge[data-org="Anthropic"] .org-mark {
  background: oklch(0.93 0.05 50);
  color: oklch(0.36 0.09 50);
  border-color: oklch(0.84 0.07 50);
}
.org-badge[data-org="Google DeepMind"] .org-mark {
  background: oklch(0.92 0.05 250);
  color: oklch(0.34 0.09 250);
  border-color: oklch(0.82 0.06 250);
}
.org-name {
  font-size: 14px;
}
.org-logo {
  height: 18px;
  width: auto;
  max-width: 30px;
  object-fit: contain;
  flex: none;
  display: inline-block;
  vertical-align: middle;
}
/* per-logo optical balancing so all marks read as the same size */
.org-logo[data-org="Meta"]            { height: 15px; }
.org-logo[data-org="xAI"]             { height: 16px; }
.org-logo[data-org="Google DeepMind"] { height: 19px; }
.org-logo[data-org="Mistral"]         { height: 17px; }
.org-logo[data-org="Alibaba"]         { height: 18px; }
.org-logo[data-org="OpenAI"]          { height: 18px; }
.org-logo[data-org="Anthropic"]       { height: 18px; }
.model-name-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.model-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
}

.score-cell { display: flex; align-items: center; gap: 16px; }
.score-num {
  font-size: 18px;
  font-weight: 500;
  min-width: 54px;
  color: var(--ink);
}
.score-bar {
  flex: 1;
  height: var(--bar-height, 16px);
  background: var(--bg-2);
  position: relative;
  max-width: none;
  overflow: visible;
}
.score-bar-fill {
  height: 100%;
  background: var(--teal);
}

/* confidence interval markers (on hover) */
.ci-whisker {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 0;
  border-top: 1.5px solid var(--ink-2);
  opacity: 0.9;
  pointer-events: none;
}
.ci-whisker .ci-cap {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 11px;
  width: 1.5px;
  background: var(--ink-2);
}
.ci-whisker .ci-cap--l { left: 0; }
.ci-whisker .ci-cap--r { right: 0; }

.ci-band {
  position: absolute;
  top: 0;
  bottom: 0;
  pointer-events: none;
}

.ci-caps {
  position: absolute;
  top: -3px;
  bottom: -3px;
  pointer-events: none;
}
.ci-caps .ci-cap {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--ink);
  opacity: 0.85;
}
.ci-caps .ci-cap--l { left: 0; }
.ci-caps .ci-cap--r { right: 0; }

/* click-to-expand rows */
.lb-row--clickable { cursor: pointer; }
.lb-row--clickable:hover .model-name { color: var(--teal); }
.lb-caret {
  display: inline-block;
  width: 12px;
  font-size: 10px;
  color: var(--ink-3);
  flex: none;
}
.lb-row.is-open .lb-caret { color: var(--teal); }
.lb-row.is-open > td { border-bottom: none; padding-bottom: 5px !important; }
.lb-detail-row td {
  padding: 0 16px 28px !important;
  border-bottom: 1px solid var(--row-rule, var(--rule));
}
.lb-table tbody tr.lb-subrow > td {
  border-bottom: none;
  padding-top: 5px !important;
  padding-bottom: 5px !important;
}
.lb-subrow:first-of-type > td { padding-top: 5px !important; }
.lb-table tbody tr.lb-subrow.is-last > td {
  padding-bottom: 20px !important;
  border-bottom: 1px solid var(--row-rule, var(--rule));
}
.lb-subrow .score-bar { height: calc(var(--bar-height, 16px) - var(--subbar-trim, 6px)); }
.lb-subrow .score-num { font-size: var(--subbar-num-size, 18px); }
.lb-subrow .score-bar-fill { opacity: var(--subbar-opacity, 1); }
.lb-sub-label {
  display: inline-block;
  padding-left: 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* Cards */
.lb-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 0;
  padding: 0 40px;
  border-left: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  margin: 0 40px;
  max-width: calc(1200px - 80px);
}
.lb-cards { padding: 0; margin-left: auto; margin-right: auto; max-width: 1200px; border: 0; }
.lb-card {
  padding: 32px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--bg);
}
.lb-card:hover { background: rgba(74, 110, 110, 0.03); }
.lb-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.lb-card-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: var(--display-weight);
  margin: 0;
  letter-spacing: var(--display-tracking);
}
.lb-card-score {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.score-label { color: var(--ink-3); }
.score-big {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: var(--display-weight);
  line-height: 1;
  letter-spacing: var(--display-tracking);
  font-variant-numeric: tabular-nums;
}

.lb-card-breakdown { display: flex; flex-direction: column; gap: 10px; }
.bd-row {
  display: grid;
  grid-template-columns: 100px 44px 1fr;
  align-items: center;
  gap: 12px;
}
.bd-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.bd-val { font-size: 13px; color: var(--ink); text-align: right; }
.bd-bar { height: 4px; background: var(--bg-2); position: relative; }
.bd-bar-fill { height: 100%; }
.lb-card-foot { margin-top: auto; }

/* Chart */
.lb-chart {
  padding: 32px 40px 20px;
  position: relative;
}
.chart-axis {
  position: relative;
  height: 24px;
  margin-bottom: 24px;
  margin-left: 0;
}
.axis-tick {
  position: absolute;
  top: 0;
  width: 0;
  height: 100%;
}
.axis-line {
  position: absolute;
  top: 18px;
  left: 0;
  width: 1px;
  height: 6px;
  background: var(--rule-strong);
}
.axis-label {
  position: absolute;
  top: 0;
  left: 0;
  transform: translateX(-50%);
  color: var(--ink-3);
}
.chart-row {
  padding: 20px 0;
  border-top: 1px solid var(--rule);
}
.chart-row:last-child { border-bottom: 1px solid var(--rule); }
.chart-row-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 14px;
}
.chart-model-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  margin-right: auto;
}

.chart-bars-group { display: flex; flex-direction: column; gap: 12px; }
.chart-bar-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  align-items: center;
  gap: 12px;
}
.chart-bar-row--single { grid-template-columns: 1fr; }
.chart-bar-label { color: var(--ink-3); }
.chart-bar-track {
  position: relative;
  height: 36px;
  background: var(--bg-2);
  border-left: 1px solid var(--rule);
}
.chart-bar-fill {
  height: 100%;
  transition: width .3s;
}
.chart-bar-val {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: var(--ink-2);
}

/* Expand / collapse button */
.lb-expand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  margin-top: 20px;
  padding: 14px 16px;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.lb-expand:hover {
  background: var(--bg-2);
  border-color: var(--ink-3);
}
.lb-expand-caret {
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 12px;
  color: var(--ink-3);
}

/* Leaderboard foot */
.lb-foot {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  border-top: 1px solid var(--rule);
}

/* ---------- Datasets ---------- */
.datasets {
  padding: 72px 0 88px;
}
.ds-head-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.ds-head-row .eyebrow {
  margin-bottom: 0;
  flex-shrink: 0;
}
.ds-heading {
  font-family: var(--font-display);
  font-size: clamp(26px, 2.6vw, 34px);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  margin: 0;
  text-wrap: balance;
  max-width: 640px;
  text-align: right;
  margin-left: auto;
  color: var(--ink);
}

.ds-code {
  color: var(--teal);
  letter-spacing: 0.1em;
  font-size: 11.5px;
  text-transform: uppercase;
}
.ds-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  margin: 0;
  text-wrap: balance;
  color: var(--ink);
}
.ds-desc {
  margin: 0;
  color: var(--ink-2);
  line-height: 1.6;
  text-wrap: pretty;
}

/* --- Three columns (locked layout) --- */
.ds-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin: 0 -32px;
}
.ds-col {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-right: 1px solid var(--rule);
  color: inherit;
  text-decoration: none;
  transition: background .15s;
  position: relative;
}
.ds-col:last-child { border-right: 0; }
.ds-col .ds-desc { flex: 1; }
.ds-col-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  gap: 12px;
}
.ds-arrow {
  color: var(--teal);
  display: inline-block;
}
.ds-col:hover { background: rgba(74, 110, 110, 0.04); }
.ds-col:hover .ds-title { color: var(--teal); }

@media (max-width: 760px) {
  .ds-head-row { flex-direction: column; align-items: flex-start; }
  .ds-heading { text-align: left; margin-left: 0; }
  .ds-cols { grid-template-columns: 1fr; margin: 0; }
  .ds-col, .ds-col:last-child, .ds-col + .ds-col {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
    padding: 28px 0 !important;
  }
  .ds-col:last-child { border-bottom: 0; }
}

/* ---------- Methodology (legacy) ---------- */
.method {
  padding: 88px 0;
  border-bottom: 1px solid var(--rule);
}
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
.method-item {
  padding: 40px 32px 40px 0;
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.method-item:last-child { border-right: 0; padding-right: 0; }
.method-item:not(:first-child) { padding-left: 32px; }
.method-n {
  font-size: 13px;
  color: var(--teal);
  letter-spacing: 0.05em;
}
.method-t {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: var(--display-weight);
  margin: 0;
  letter-spacing: var(--display-tracking);
}
.method-d {
  margin: 0;
  color: var(--ink-2);
  line-height: 1.6;
  text-wrap: pretty;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-mark {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--ink-2); transition: color .15s; }
.footer-links a:hover { color: var(--teal); }
.footer-copy { color: var(--ink-dim); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero .container { padding-bottom: calc(var(--hero-gap, 4px) * 0.7); }
  .lb-wrap { padding-top: calc(var(--hero-gap, 4px) * 0.7); }
}

@media (max-width: 760px) {
  .container { padding: 0 24px; }
  .hero { padding: 56px 0 0; }
  .hero .container { padding-bottom: calc(var(--hero-gap, 4px) * 0.5); }
  .lb-wrap { padding-top: calc(var(--hero-gap, 4px) * 0.5); }
  .hero-meta { gap: 20px; }
  .meta-val { font-size: 20px; }
  .nav { gap: 16px; }
  .nav-link { font-size: 11px; }
  .method-grid { grid-template-columns: 1fr; }
  .method-item { border-right: 0; border-bottom: 1px solid var(--rule); padding: 24px 0 !important; }
  .method-item:last-child { border-bottom: 0; }
  .lb-table-wrap { padding: 0 24px; overflow-x: auto; }
  .lb-filters { padding: 16px 24px; gap: 24px; }
  .col-date, .col-org { display: none; }
  .lb-chart { padding: 24px; }
  .chart-bar-row { grid-template-columns: 72px 1fr; gap: 10px; }
  .hero-title { font-size: 30px; }
  .hero-lede { font-size: 17px; }
}

/* ============================================================
   MOBILE — hamburger nav drawer + stacked leaderboard cards
   ============================================================ */
.nav-toggle,
.nav-drawer-close,
.nav-backdrop { display: none; }

@media (max-width: 760px) {
  html.nav-locked, html.nav-locked body { overflow: hidden; }

  /* backdrop-filter on the header would trap the fixed drawer in the header's
     box; drop it on mobile so the drawer/backdrop fill the viewport */
  .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; }

  /* ---- Hamburger button ---- */
  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 9px;
    margin-left: auto;
    background: transparent;
    border: 0;
    cursor: pointer;
    flex: none;
  }
  .nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background: var(--ink);
  }
  .header--inverted .nav-toggle span { background: var(--bg); }

  /* ---- Backdrop ---- */
  .nav-backdrop.is-open {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(18, 20, 18, 0.44);
    z-index: 80;
    animation: navFade 0.2s ease;
  }
  @keyframes navFade { from { opacity: 0; } to { opacity: 1; } }

  /* ---- Drawer ---- */
  .site-header .nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(86vw, 340px);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 74px 26px 32px;
    background: var(--bg);
    z-index: 90;
    transform: translateX(100%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.16);
    border-left: 1px solid var(--rule);
  }
  .site-header .nav.nav--open { transform: translateX(0); }
  .header--inverted .nav { background: var(--teal); }

  .nav-drawer-close {
    display: block;
    position: absolute;
    top: 16px;
    right: 18px;
    width: 38px;
    height: 38px;
    font-size: 28px;
    line-height: 1;
    background: none;
    border: 0;
    color: var(--ink-2);
    cursor: pointer;
  }
  .header--inverted .nav-drawer-close { color: var(--bg); }

  /* ---- Drawer links: clean vertical list, neutralize desktop dataset treatments ---- */
  .site-header .nav-link {
    font-family: var(--font-display);
    font-size: 17px !important;
    letter-spacing: -0.01em;
    text-transform: none;
    color: var(--ink) !important;
    border: 0 !important;
    border-bottom: 1px solid var(--rule) !important;
    padding: 14px 2px !important;
    margin: 0 !important;
    width: 100%;
    max-width: none;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .site-header .nav-link.is-active { color: var(--teal) !important; }
  .header--inverted .nav-link { color: var(--bg) !important; }
  .header--inverted .nav-link.is-active { color: var(--bg) !important; }

  /* Dataset group → simple stacked section under one "Datasets" heading */
  .site-header .nav-ds-group {
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    position: static;
    width: 100%;
  }
  .site-header .nav-ds-kicker,
  .site-header .nav-ds-kicker--inline,
  .site-header .nav-ds-kicker--stacked {
    display: block !important;
    position: static !important;
    font-size: 10px;
    letter-spacing: 0.18em;
    color: var(--ink-3) !important;
    margin: 20px 2px 2px !important;
    padding: 0;
    align-self: flex-start;
  }
  html[data-ds-color="on"] .site-header .nav-ds-kicker { color: var(--ds-accent) !important; }
  .header--inverted .site-header .nav-ds-kicker { color: rgba(245, 241, 234, 0.6) !important; }
  .site-header .nav-link--stack { flex-direction: row; }
  .site-header .nav-link--stack .nav-link-sub { display: none; }
  .site-header .nav-ds-dot,
  .site-header .nav-sep { display: none; }

  /* Datasets dropdown → same stacked "Datasets" heading + list (no dropdown on mobile) */
  .site-header .nav-dd {
    display: block;
    position: static;
    width: 100%;
  }
  .site-header .nav-dd-trigger {
    display: block;
    width: 100%;
    text-align: left;
    pointer-events: none;
    cursor: default;
    background: none !important;
    border: 0 !important;
    border-radius: 0 !important;
    padding: 0 !important;
    margin: 20px 2px 2px !important;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-3) !important;
  }
  .site-header .nav-dd-caret { display: none !important; }
  .site-header .nav-dd-menu {
    display: block !important;
    position: static;
    width: 100%;
    box-shadow: none !important;
    border: 0 !important;
    background: none !important;
    padding: 0 !important;
  }
  .site-header .nav-dd-item {
    padding: 14px 2px !important;
    border-bottom: 1px solid var(--rule) !important;
    background: none !important;
  }
  .site-header .nav-dd-name {
    font-family: var(--font-display) !important;
    font-size: 17px !important;
    letter-spacing: -0.01em !important;
    color: var(--ink) !important;
  }
  .site-header .nav-dd-item.is-active .nav-dd-name { color: var(--teal) !important; }
  .header--inverted .site-header .nav-dd-trigger { color: rgba(245, 241, 234, 0.6) !important; }
  .header--inverted .site-header .nav-dd-name { color: var(--bg) !important; }

  /* Cancel header padding reserved for lifted desktop labels */
  .site[data-ds-label="above"] .header-inner,
  .site[data-ds-label="below"] .header-inner { padding-top: 0; padding-bottom: 0; }

  /* ---- Leaderboard table → stacked cards ---- */
  .lb-table-wrap { padding: 0 20px; overflow-x: visible; }
  .lb-table { width: 100%; }
  .lb-table thead { display: none; }
  .lb-table,
  .lb-table tbody,
  .lb-table tr,
  .lb-table td { display: block; width: auto; }
  .lb-table td {
    border: 0 !important;
    padding: 0 !important;
    background: none !important;
  }
  .lb-row {
    position: relative;
    padding: 15px 0 17px !important;
    border-bottom: 1px solid var(--rule) !important;
  }
  .lb-row .col-rank {
    position: absolute;
    top: 17px;
    right: 0;
    width: auto;
    font-size: 12px;
    color: var(--ink-3);
  }
  .lb-row .col-model {
    white-space: normal;
    padding-right: 42px !important;
  }
  .model-name-row { gap: 9px; }
  .model-name { font-size: 17px; }
  .lb-row .col-score { margin-top: 11px !important; }
  .score-cell { gap: 12px; }
  .score-num { min-width: 42px; font-size: 16px; }

  /* Expanded breakdown sub-rows */
  .lb-subrow .col-rank { display: none; }
  /* connect the breakdown to its model — no divider between them */
  .lb-row.is-open { border-bottom: 0 !important; padding-bottom: 8px !important; }
  .lb-subrow {
    padding: 4px 0 4px 22px !important;
    border-left: 0 !important;
    border-bottom: 0 !important;
  }
  .lb-subrow:first-of-type { padding-top: 6px !important; }
  /* close the whole expanded group with a single hairline */
  .lb-subrow.is-last {
    padding-bottom: 16px !important;
    border-bottom: 1px solid var(--rule) !important;
  }
  .lb-sub-label { font-size: 12.5px; }
  .lb-subrow .col-score { margin-top: 3px !important; }
  .lb-subrow .score-num { font-size: 13px; min-width: 38px; }

  /* Filters: compact, wrap cleanly */
  .lb-filters { padding: 14px 20px !important; gap: 12px 18px !important; }
  .lb-filter-meta { margin-left: 0; width: 100%; }
}