/* SiliconProof / Danum — strategy site design system */
:root {
  --ink: #0e1726;
  --ink-2: #33415a;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-2: #eef2f7;
  --bg: #ffffff;
  --bg-2: #f7f9fc;
  --bg-3: #eef3f9;
  --accent: #0d9488;      /* teal */
  --accent-2: #0f766e;
  --accent-soft: #ccfbf1;
  --signal: #b45309;      /* amber for caveats */
  --signal-soft: #fef3c7;
  --good: #15803d;
  --good-soft: #dcfce7;
  --radius: 14px;
  --maxw: 900px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  --mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e6edf6; --ink-2: #b6c2d4; --muted: #8b98ac;
    --line: #24314a; --line-2: #1b273d;
    --bg: #0b111d; --bg-2: #0f1725; --bg-3: #141e30;
    --accent: #2dd4bf; --accent-2: #5eead4; --accent-soft: #123b38;
    --signal: #fbbf24; --signal-soft: #3a2c0c;
    --good: #4ade80; --good-soft: #10281a;
  }
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; letter-spacing: -.01em; }
.brand .dot { width: 11px; height: 11px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.brand small { color: var(--muted); font-weight: 500; }
.navlinks { display: flex; gap: 20px; font-size: 14px; }
.navlinks a { color: var(--ink-2); text-decoration: none; }
.navlinks a:hover { color: var(--accent); }
@media (max-width: 640px) { .navlinks { display: none; } }

/* Hero */
.hero { padding: 64px 0 34px; border-bottom: 1px solid var(--line-2); }
.eyebrow { color: var(--accent); font-weight: 650; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.1; letter-spacing: -.025em; margin: 14px 0 12px; }
.lede { font-size: clamp(17px, 2.4vw, 20px); color: var(--ink-2); max-width: 72ch; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 20px; color: var(--muted); font-size: 13.5px; }
.meta-row b { color: var(--ink-2); font-weight: 600; }

/* Sections */
main { padding: 20px 0 60px; }
section { padding: 34px 0; border-bottom: 1px solid var(--line-2); }
section:last-child { border-bottom: 0; }
h2 { font-size: clamp(22px, 3.4vw, 28px); letter-spacing: -.02em; margin-bottom: 6px; scroll-margin-top: 74px; }
h2 .num { color: var(--accent); font-variant-numeric: tabular-nums; margin-right: 10px; font-size: .8em; }
h3 { font-size: 18px; margin: 22px 0 8px; letter-spacing: -.01em; }
p { margin: 10px 0; color: var(--ink-2); }
ul, ol { margin: 10px 0 10px 22px; color: var(--ink-2); }
li { margin: 5px 0; }
a { color: var(--accent-2); }
strong { color: var(--ink); }
code { font-family: var(--mono); font-size: .88em; background: var(--bg-3); padding: 2px 6px; border-radius: 6px; }

/* Callout / thesis box */
.callout {
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 18px 0;
}
.callout.warn { border-left-color: var(--signal); }
.callout .k { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); font-weight: 650; }

/* Tables */
.tbl-scroll { overflow-x: auto; margin: 16px 0; border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 14px; min-width: 520px; }
thead th { background: var(--bg-3); text-align: left; padding: 11px 14px; font-weight: 650; color: var(--ink); border-bottom: 1px solid var(--line); white-space: nowrap; }
tbody td, tbody th { padding: 11px 14px; border-bottom: 1px solid var(--line-2); vertical-align: top; text-align: left; }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
tbody th { font-weight: 600; color: var(--ink); }
table .yes { color: var(--good); font-weight: 650; }
table .no { color: var(--muted); }

/* Pills */
.pill { display: inline-block; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-2); }
.pill.amber { background: var(--signal-soft); color: var(--signal); }
.pill.good { background: var(--good-soft); color: var(--good); }

/* Cards grid */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 18px 0; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 18px 16px; background: var(--bg-2); transition: transform .15s ease, box-shadow .15s ease; }
.card:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -18px rgba(2,12,27,.35); }
.card h3 { margin-top: 0; }
.card .big { font-size: 26px; font-weight: 700; letter-spacing: -.02em; color: var(--ink); }
.card a.go { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-weight: 600; text-decoration: none; }

/* rank chips */
.rank { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 6px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; margin-right: 8px; }
@media (prefers-color-scheme: dark) { .rank { color: #06231f; } }

/* footer */
footer { padding: 30px 0 50px; color: var(--muted); font-size: 13px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between; }

/* TOC */
.toc { font-size: 14px; color: var(--muted); margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 6px 14px; }
.toc a { color: var(--ink-2); text-decoration: none; }
.toc a:hover { color: var(--accent); }

/* Print */
@media print {
  .topbar, .navlinks, footer .actions { display: none !important; }
  body { font-size: 11.5px; }
  section { border: 0; padding: 14px 0; break-inside: avoid; }
  .card:hover { transform: none; box-shadow: none; }
  a { color: inherit; text-decoration: none; }
  .tbl-scroll { overflow: visible; }
}