:root {
  --bg: #f7f4ec;
  --card: #fffdf8;
  --text: #1d2b27;
  --muted: #5d6b66;
  --brand: #2e7d6b;
  --deep: #15463b;
  --gold: #c9a24b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1a17;
    --card: #16241f;
    --text: #e8eee9;
    --muted: #a3b2ac;
    --brand: #6cc3ad;
    --gold: #e8c66a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--brand); }
.top { padding: 16px; max-width: 760px; margin: 0 auto; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700;
  text-decoration: none; color: var(--text); font-size: 20px; }
.brand img { border-radius: 9px; }
.doc { max-width: 760px; margin: 0 auto; padding: 0 16px 48px; }
.doc h1 { font-size: 32px; margin: 8px 0 0; }
.doc h2 { font-size: 20px; margin-top: 32px; color: var(--brand); }
.muted { color: var(--muted); margin-top: 4px; }
.hero {
  text-align: center;
  padding: 64px 16px 56px;
  background: linear-gradient(135deg, var(--deep), #2e7d6b);
  color: #fff;
}
.hero-icon { border-radius: 26px; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.hero h1 { font-size: 56px; margin: 16px 0 0; letter-spacing: .5px; }
.tagline { color: #e8c66a; font-weight: 600; font-size: 20px; margin: 4px 0 16px; }
.lead { max-width: 520px; margin: 0 auto; opacity: .92; }
.features {
  max-width: 900px; margin: -28px auto 0; padding: 0 16px 48px;
  display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.features section {
  background: var(--card); border-radius: 18px; padding: 20px;
  box-shadow: 0 4px 18px rgba(0,0,0,.06);
}
.features h2 { font-size: 18px; margin: 0 0 6px; color: var(--brand); }
.features p { margin: 0; color: var(--muted); font-size: 15px; }
.foot { text-align: center; padding: 24px 16px 40px; color: var(--muted); font-size: 15px; }