:root {
  --bg: #fffdf6;
  --ink: #1d2318;
  --muted: #5b6352;
  --leaf: #e8b100;
  --leaf-deep: #8a6a00;
  --card: #ffffff;
  --line: #ece5cf;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14160f;
    --ink: #f3f1e6;
    --muted: #b6b8a8;
    --leaf: #f2c230;
    --leaf-deep: #f2c230;
    --card: #1d2017;
    --line: #2e3224;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--leaf-deep); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }
header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 700; font-size: 20px; text-decoration: none; color: var(--ink); }
.brand span { color: var(--leaf); }
nav a { margin-left: 18px; text-decoration: none; color: var(--muted); font-size: 15px; }
.hero { padding: 72px 0 48px; }
.hero h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.1; margin: 0 0 16px; }
.hero p { font-size: 20px; color: var(--muted); max-width: 640px; }
.cta {
  display: inline-block; margin-top: 20px; padding: 14px 24px; border-radius: 999px;
  background: var(--leaf); color: #1d2318; font-weight: 700; text-decoration: none;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 32px 0 56px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
table { width: 100%; border-collapse: collapse; margin: 16px 0 48px; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid var(--line); }
.doc { padding: 40px 0 64px; }
.doc h1 { font-size: 34px; margin-bottom: 4px; }
.doc .meta { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.doc h2 { font-size: 21px; margin-top: 32px; }
footer { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 14px; }
footer a { margin-right: 16px; }
nav a { white-space: nowrap; }
@media (max-width: 560px) {
  nav a[href="#how"] { display: none; }
  nav a { margin-left: 12px; }
  th, td { padding: 10px 6px; font-size: 15px; }
  table { table-layout: fixed; }
  td, th { overflow-wrap: anywhere; }
}