:root {
  --bg: #fbfaf8;
  --panel: #ffffff;
  --ink: #22201d;
  --muted: #6d675f;
  --line: #e6e1d9;
  --accent: #e8722a;
  --accent-soft: #fdf0e6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --panel: #201e1b;
    --ink: #ece8e2;
    --muted: #a09a91;
    --line: #322f2a;
    --accent: #f28b4a;
    --accent-soft: #2a221c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.brand {
  font-weight: 650;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}
.mark { margin-right: 6px; }
.top nav a {
  margin-left: 18px;
  color: var(--muted);
  text-decoration: none;
}
.top nav a:hover, .top nav a.here { color: var(--accent); }
main {
  max-width: 780px;
  margin: 0 auto;
  padding: 44px 24px 64px;
}
h1 {
  font-size: 2rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
h2 {
  font-size: 1.1rem;
  margin: 32px 0 8px;
}
.kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--accent);
  margin: 0 0 10px;
}
.lead { color: var(--muted); font-size: 1.05rem; }
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: var(--accent-soft);
  padding: 1px 5px;
  border-radius: 4px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  margin: 36px 0;
}
.grid article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
}
.grid h2 { margin: 0 0 6px; font-size: 1rem; }
.grid p { margin: 0; color: var(--muted); font-size: 0.94rem; }
.note {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
}
.note h2 { margin-top: 0; }
table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
}
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th { font-weight: 600; color: var(--muted); font-size: 0.85rem; }
a { color: var(--accent); }
.center { text-align: center; padding-top: 72px; }
.big {
  font-size: 4rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0;
  line-height: 1;
}
footer {
  border-top: 1px solid var(--line);
  padding: 22px 24px;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}
footer p { margin: 0; }