:root {
  --bg: #09120d;
  --panel: #101e17;
  --panel2: #14271d;
  --line: #274536;
  --line2: #3c664e;
  --text: #ecdfc2;
  --muted: #a9bfae;
  --faint: #6e8a77;
  --accent: #c9a961;
  --accent-bright: #e0c07f;
  --accent-soft: #332911;
  --jade: #4eae79;
  --red: #c66b5b;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, Helvetica, sans-serif;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Noto Serif", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(rgba(39, 69, 54, .065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(39, 69, 54, .065) 1px, transparent 1px),
    radial-gradient(900px 520px at 80% -12%, rgba(63, 156, 108, .14), transparent 60%),
    var(--bg);
  background-size: 32px 32px, 32px 32px, auto, auto;
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, input { font: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.shell { width: min(100% - 48px, 1180px); margin: 0 auto; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--accent);
  font: 700 13px/1 var(--mono);
  letter-spacing: .12em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
  font: 12px/1.4 var(--mono);
  text-underline-offset: 4px;
}
.site-nav a[aria-current="page"] { color: var(--accent); }

main { padding: 56px 0 84px; }
.board-hero { display: grid; grid-template-columns: minmax(0, 1fr) 390px; gap: 64px; align-items: end; }
.eyebrow { color: var(--accent); font: 12px/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 18px 0 0; font: 600 clamp(44px, 6vw, 72px)/1.02 var(--serif); letter-spacing: -.02em; }
h1 span { color: var(--accent); }
.lede { max-width: 62ch; margin: 20px 0 0; color: var(--muted); font-size: 17px; text-wrap: pretty; }
.board-summary { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line2); background: rgba(16, 30, 23, .88); }
.board-summary div { min-height: 92px; padding: 16px; border-right: 1px solid var(--line); }
.board-summary div:last-child { border-right: 0; }
.board-summary b { display: block; color: var(--text); font: 600 22px/1.1 var(--serif); }
.board-summary span { display: block; margin-top: 9px; color: var(--faint); font: 12px/1.35 var(--mono); text-transform: uppercase; }

.board-shell { margin-top: 48px; border: 1px solid var(--line2); background: rgba(9, 18, 13, .91); }
.board-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 48px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font: 12px/1.4 var(--mono);
  letter-spacing: .05em;
  text-transform: uppercase;
}
.live { color: var(--jade); }
.live::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 4px rgba(78, 174, 121, .1); }
.board-toolbar { display: flex; align-items: center; gap: 16px; padding: 16px; border-bottom: 1px solid var(--line); background: var(--panel); }
.metric-switch { display: flex; flex-wrap: wrap; gap: 7px; }
.metric-switch button {
  min-height: 44px;
  padding: 9px 13px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--bg);
  cursor: pointer;
  font: 12px/1.3 var(--mono);
  transition: color .16s, border-color .16s, background .16s;
}
.metric-switch button:hover { color: var(--text); border-color: var(--line2); }
.metric-switch button[aria-pressed="true"] { color: var(--accent-bright); border-color: var(--accent); background: var(--accent-soft); }
.board-search { position: relative; width: 250px; min-width: 250px; margin-left: auto; }
.board-search input { width: 100%; min-height: 44px; padding: 10px 12px 10px 35px; color: var(--text); border: 1px solid var(--line); border-radius: 2px; background: var(--bg); font: 12px/1.4 var(--mono); }
.board-search input::placeholder { color: var(--faint); }
.board-search svg { position: absolute; left: 12px; top: 50%; width: 14px; height: 14px; transform: translateY(-50%); fill: none; stroke: var(--faint); stroke-width: 2; }

.leader-head, .leader-main {
  display: grid;
  grid-template-columns: 72px minmax(250px, 1.2fr) 100px 128px 145px minmax(170px, .75fr) 30px;
  gap: 16px;
  align-items: center;
}
.leader-head { min-height: 42px; padding: 8px 18px; color: var(--faint); border-bottom: 1px solid var(--line); font: 12px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.leader-list { margin: 0; padding: 0; list-style: none; }
.leader-entry { --belt: var(--line2); border-bottom: 1px solid var(--line); }
.leader-entry:last-child { border-bottom: 0; }
.leader-entry.gold { --belt: var(--accent-bright); }
.leader-entry.silver { --belt: var(--jade); }
.leader-entry.bronze { --belt: #9a7552; }
.leader-entry details { background: var(--panel); }
.leader-entry details[open] { background: var(--panel2); }
.leader-entry summary { position: relative; display: block; cursor: pointer; list-style: none; }
.leader-entry summary::-webkit-details-marker { display: none; }
.leader-entry summary::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--belt); transform: scaleY(.2); transition: transform .18s; }
.leader-entry summary:hover::before, .leader-entry details[open] summary::before { transform: scaleY(1); }
.leader-main { min-height: 92px; padding: 14px 18px; transition: background .16s; }
.leader-entry summary:hover .leader-main { background: rgba(78, 174, 121, .035); }
.rank-value { color: var(--faint); font: 600 25px/1 var(--mono); letter-spacing: -.05em; }
.gold .rank-value { color: var(--accent-bright); }
.silver .rank-value { color: var(--jade); }
.bronze .rank-value { color: #b08b68; }
.maker { display: flex; align-items: center; gap: 14px; min-width: 0; }
.maker-seal { display: grid; place-items: center; width: 42px; height: 42px; flex: none; color: var(--accent); border: 1px solid var(--line2); background: var(--bg); font: 700 12px/1 var(--mono); letter-spacing: .03em; }
.maker-name { display: block; overflow: hidden; font: 600 20px/1.15 var(--serif); text-overflow: ellipsis; white-space: nowrap; }
.maker-product { display: block; overflow: hidden; margin-top: 6px; color: var(--faint); font: 12px/1.4 var(--mono); text-overflow: ellipsis; white-space: nowrap; }
.score-cell b, .metric-cell b { display: block; color: var(--text); font: 600 24px/1 var(--serif); }
.score-cell span, .metric-cell span { display: block; margin-top: 6px; color: var(--faint); font: 12px/1.3 var(--mono); text-transform: uppercase; }
.metric-cell b { color: var(--accent-bright); }
.proof-cell b { display: block; color: var(--text); font: 600 17px/1.15 var(--serif); }
.proof-cell span { display: block; margin-top: 6px; color: var(--faint); font: 12px/1.3 var(--mono); }
.source-type { display: block; color: var(--muted); font: 12px/1.4 var(--mono); }
.source-date { display: block; margin-top: 5px; color: var(--faint); font: 12px/1.35 var(--mono); }
.chevron { color: var(--faint); font: 18px/1 var(--mono); transition: color .16s, transform .16s; }
details[open] .chevron { color: var(--accent); transform: rotate(45deg); }

.leader-detail { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(270px, .75fr); gap: 32px; padding: 4px 64px 28px 106px; }
.leader-detail p { margin: 0; color: var(--muted); font-size: 14px; text-wrap: pretty; }
.leader-detail p + p { margin-top: 14px; }
.leader-detail b { color: var(--accent); font: 12px/1.4 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.dimension-grid { display: grid; gap: 10px; }
.dimension { display: grid; grid-template-columns: 82px 1fr 44px; gap: 10px; align-items: center; color: var(--faint); font: 12px/1.3 var(--mono); }
.dimension-track { height: 4px; background: var(--bg); border: 1px solid var(--line); }
.dimension-track i { display: block; height: 100%; background: linear-gradient(90deg, var(--jade), var(--accent)); }
.source-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.source-links a { display: inline-flex; align-items: center; min-height: 44px; padding: 9px 11px; color: var(--accent); border: 1px solid var(--line2); border-radius: 2px; font: 12px/1.35 var(--mono); text-decoration: none; }
.source-links a:hover { border-color: var(--accent); background: var(--accent-soft); }
.empty { padding: 40px 20px; color: var(--faint); font: 12px/1.5 var(--mono); text-align: center; }

.methodology { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .75fr); gap: 48px; margin-top: 48px; }
.methodology h2 { margin: 0; font: 600 clamp(28px, 4vw, 42px)/1.1 var(--serif); }
.methodology p { max-width: 68ch; margin: 16px 0 0; color: var(--muted); font-size: 14px; }
.method-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.method-list li { display: grid; grid-template-columns: 36px 1fr; gap: 12px; padding: 12px 0; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 13px; }
.method-list b { color: var(--accent); font: 12px/1.4 var(--mono); }
.caveat { margin-top: 22px; padding: 16px 18px; color: var(--faint); border: 1px solid var(--line); font: 12px/1.6 var(--mono); }

.site-footer { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 26px 0 40px; color: var(--faint); border-top: 1px solid var(--line); font: 12px/1.5 var(--mono); }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); text-underline-offset: 4px; }

@media (max-width: 1100px) {
  .board-hero { grid-template-columns: 1fr; gap: 32px; }
  .board-summary { max-width: 520px; }
  .board-toolbar { align-items: stretch; flex-direction: column; }
  .board-search { width: 100%; margin-left: 0; }
  .leader-head, .leader-main { grid-template-columns: 62px minmax(230px, 1fr) 88px 112px 140px 24px; gap: 12px; }
  .source-cell, .evidence-head { display: none; }
  .leader-detail { padding-left: 92px; }
}
@media (max-width: 740px) {
  .shell { width: min(100% - 28px, 1180px); }
  .site-header { align-items: flex-start; flex-direction: column; gap: 0; padding: 12px 0; }
  .site-nav { width: 100%; justify-content: space-between; gap: 0 10px; }
  main { padding: 42px 0 64px; }
  .board-summary div { min-height: 82px; padding: 13px 10px; }
  .board-summary b { font-size: 18px; }
  .board-status { align-items: flex-start; flex-direction: column; gap: 4px; padding: 12px 14px; }
  .metric-switch { display: grid; grid-template-columns: repeat(3, 1fr); }
  .metric-switch button { padding-inline: 8px; }
  .leader-head { display: none; }
  .leader-main { grid-template-columns: 48px minmax(0, 1fr) 64px 22px; gap: 10px; min-height: 108px; padding: 14px 12px; }
  .maker { gap: 10px; }
  .maker-seal { width: 38px; height: 38px; }
  .maker-name { font-size: 18px; }
  .score-cell { text-align: right; }
  .score-cell b { font-size: 21px; }
  .metric-cell { grid-column: 2 / 4; padding-top: 7px; border-top: 1px solid var(--line); }
  .metric-cell b, .metric-cell span { display: inline; font-size: 12px; }
  .metric-cell span::before { content: " · "; }
  .proof-cell, .source-cell { display: none; }
  .chevron { grid-column: 4; grid-row: 1; }
  .leader-detail { grid-template-columns: 1fr; gap: 22px; padding: 0 18px 24px 70px; }
  .methodology { grid-template-columns: 1fr; gap: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}