:root {
  --bg: #faf9f6;
  --surface: #ffffff;
  --ink: #1a1a1a;
  --ink-muted: #5a5a5a;
  --ink-faint: #8a8a8a;
  --rule: #d8d6cf;
  --rule-strong: #b8b6af;
  --accent: #2a3a5f;
  --pass: #1d6a3f;
  --pass-bg: #e7f1ea;
  --vuln: #a4282d;
  --vuln-bg: #f5e0e1;
  --inc: #8a6d00;
  --inc-bg: #f6efd4;
  --code-bg: #f3f1ea;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: "Source Serif 4", "Source Serif Pro", "Charter", "Iowan Old Style", "Baskerville", "Times New Roman", Times, serif;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
main { max-width: 1240px; margin: 0 auto; padding: 0 24px 64px; }

/* Masthead -------------------------------------------------------------- */
header.masthead {
  border-bottom: 2px solid var(--ink);
  padding: 28px 0 18px;
  margin-bottom: 28px;
}
.kicker {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 6px;
}
h1.title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.subtitle {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-muted);
  margin: 0 0 14px;
  font-size: 18px;
}
.metaline {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 16px 22px;
  align-items: baseline;
}
.metaline strong { color: var(--ink); font-weight: 600; }
.metaline a { color: var(--accent); text-decoration: none; border-bottom: 1px solid currentColor; }

/* Summary cards --------------------------------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 0 0 32px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 14px 16px 12px;
}
.card-label {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 4px;
}
.card-value {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  margin: 0;
}
.card-note {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-muted);
  margin: 4px 0 0;
}

/* Section primitives ---------------------------------------------------- */
section { margin: 40px 0; }
h2 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 4px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rule-strong);
}
section > p.lede {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink-muted);
  margin: 6px 0 18px;
  max-width: 780px;
}

/* Heatmap --------------------------------------------------------------- */
.heatmap-wrap {
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 16px;
  overflow-x: auto;
}
svg.heatmap { display: block; }
svg.heatmap text { font-family: var(--sans); }

/* Controls -------------------------------------------------------------- */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 0 0 12px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-muted);
}
.controls input[type="search"] {
  flex: 0 1 280px;
  padding: 6px 10px;
  border: 1px solid var(--rule-strong);
  background: var(--surface);
  font-family: var(--sans);
  font-size: 13px;
}
.controls input[type="search"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
}
.legend { display: flex; gap: 14px; align-items: center; }
.legend .swatch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.swatch-chip {
  display: inline-block;
  width: 14px; height: 14px;
  border: 1px solid var(--rule-strong);
  text-align: center;
  line-height: 12px;
  font-size: 11px;
  font-family: var(--sans);
  font-weight: 600;
}

/* Leaderboard table ----------------------------------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--rule); background: var(--surface); }
table.lb {
  border-collapse: collapse;
  width: 100%;
  font-family: var(--sans);
  font-size: 13px;
  min-width: 1100px;
}
table.lb thead th {
  position: sticky;
  top: 0;
  background: var(--surface);
  border-bottom: 2px solid var(--ink);
  padding: 10px 8px;
  text-align: left;
  vertical-align: bottom;
  font-weight: 600;
  color: var(--ink);
  user-select: none;
  white-space: nowrap;
}
table.lb thead th.fam {
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0;
  writing-mode: horizontal-tb;
  min-width: 84px;
}
table.lb thead th.sortable { cursor: pointer; }
table.lb thead th.sortable:hover { color: var(--accent); }
table.lb thead th.sortable::after {
  content: " ⇅";
  color: var(--ink-faint);
  font-size: 10px;
}
table.lb thead th.sort-asc::after { content: " ↑"; color: var(--ink); }
table.lb thead th.sort-desc::after { content: " ↓"; color: var(--ink); }
table.lb tbody td {
  padding: 8px;
  border-top: 1px solid var(--rule);
  vertical-align: middle;
}
table.lb tbody tr:nth-child(4n+1) td { background: rgba(216, 214, 207, 0.18); }
table.lb tbody tr.detail-row td {
  background: var(--surface) !important;
  border-top: 1px solid var(--rule);
}
table.lb tbody td.bench {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
}
table.lb tbody td.sha {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-muted);
}
table.lb tbody td.audited {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-muted);
  white-space: nowrap;
}
table.lb tbody td.overall {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
table.lb tbody td.cell {
  text-align: center;
  cursor: pointer;
  font-family: var(--sans);
  font-weight: 600;
  width: 84px;
  position: relative;
}
.cell.v-pass { background: var(--pass-bg); color: var(--pass); }
.cell.v-vuln { background: var(--vuln-bg); color: var(--vuln); }
.cell.v-inc  { background: var(--inc-bg);  color: var(--inc); }
.cell .glyph { display: block; font-size: 16px; line-height: 1; }
.cell .lbl   { display: block; font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 2px; opacity: 0.85; }
td.overall.v-pass { color: var(--pass); }
td.overall.v-vuln { color: var(--vuln); }
td.overall.v-inc  { color: var(--inc); }

/* Detail row ------------------------------------------------------------ */
.detail {
  padding: 16px 20px;
  background: var(--surface);
  border-left: 3px solid var(--accent);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.6;
}
.detail h4 {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
}
.detail .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin: 0 0 10px;
  color: var(--ink-muted);
}
.detail .meta b { color: var(--ink); font-weight: 600; }
.detail dl { margin: 6px 0 0; }
.detail dt { font-weight: 600; margin-top: 8px; }
.detail dd { margin: 0 0 4px; color: var(--ink-muted); }
.detail code { font-family: var(--mono); background: var(--code-bg); padding: 1px 4px; font-size: 12px; }
.detail .pill {
  display: inline-block;
  padding: 1px 8px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}

/* Methodology section --------------------------------------------------- */
.fam-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
}
.fam-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 16px 18px;
}
.fam-card h3 {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--accent);
}
.fam-card .sev { font-family: var(--sans); font-size: 11px; color: var(--ink-muted); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 8px; }
.fam-card p { font-family: var(--serif); font-size: 14px; margin: 0 0 8px; }
.fam-card dl { font-family: var(--sans); font-size: 12px; color: var(--ink-muted); margin: 0; }
.fam-card dt { font-weight: 600; color: var(--ink); }
.fam-card dd { margin: 0 0 6px; }

/* Citation -------------------------------------------------------------- */
.cite-wrap { background: var(--surface); border: 1px solid var(--rule); }
.cite-wrap pre {
  margin: 0;
  padding: 16px 18px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  overflow-x: auto;
}
.cite-wrap .copy-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-muted);
}
button.copy {
  font-family: var(--sans);
  font-size: 12px;
  padding: 4px 10px;
  border: 1px solid var(--rule-strong);
  background: var(--bg);
  cursor: pointer;
}
button.copy:hover { border-color: var(--ink); }
button.copy:active { background: var(--rule); }
button.copy.copied { border-color: var(--pass); color: var(--pass); }

/* Footer ---------------------------------------------------------------- */
footer.site {
  margin-top: 56px;
  padding-top: 16px;
  border-top: 1px solid var(--rule-strong);
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: space-between;
}
footer.site a { color: var(--accent); text-decoration: none; border-bottom: 1px solid currentColor; }

/* Responsive ------------------------------------------------------------ */
@media (max-width: 720px) {
  main { padding: 0 16px 48px; }
  h1.title { font-size: 28px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  table.lb { font-size: 12px; }
}

/* Print ----------------------------------------------------------------- */
@media print {
  body { background: #fff; color: #000; }
  .controls, button.copy, footer.site .source { display: none; }
  .detail-row { display: none; }
  table.lb thead th { position: static; }
  .cards { break-inside: avoid; }
  .fam-card { break-inside: avoid; }
  a { color: #000; }
}

/* Reduced motion -------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}