:root {
  --bg: #faf7f2;
  --card: #ffffff;
  --ink: #2b2622;
  --ink-soft: #6e655c;
  --ink-faint: #a39a90;
  --accent: #3e7c4f;
  --accent-soft: #e3efe6;
  --border: #eae3da;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }

header.site {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; }
.brand { font-weight: 800; font-size: 18px; color: var(--ink); text-decoration: none; }
nav a { color: var(--ink-soft); text-decoration: none; margin-left: 18px; font-size: 15px; }
nav a:hover { color: var(--accent); }

.hero { text-align: center; padding: 72px 0 48px; }
.hero h1 { font-size: 42px; line-height: 1.15; font-weight: 900; letter-spacing: -0.5px; }
.hero p.tag { font-size: 20px; color: var(--ink-soft); margin: 18px auto 0; max-width: 540px; }
.hero .cta { margin-top: 32px; }
.badge {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  border-radius: 12px;
  padding: 12px 22px;
  text-decoration: none;
  font-weight: 700;
}
.badge span { display: block; font-size: 11px; font-weight: 500; opacity: 0.8; }
.hero .note { margin-top: 12px; color: var(--ink-faint); font-size: 14px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 24px 0 56px; }
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
}
.feature .glyph { font-size: 28px; }
.feature h3 { margin: 10px 0 6px; font-size: 17px; }
.feature p { color: var(--ink-soft); font-size: 14.5px; }
@media (max-width: 640px) { .features { grid-template-columns: 1fr; } .hero h1 { font-size: 32px; } }

.strip {
  background: var(--accent-soft);
  border-radius: 16px;
  padding: 26px;
  margin-bottom: 56px;
  color: var(--ink);
}
.strip strong { color: var(--accent); }

main.doc { padding: 48px 0 64px; }
main.doc h1 { font-size: 30px; margin-bottom: 6px; }
main.doc .updated { color: var(--ink-faint); font-size: 14px; margin-bottom: 28px; }
main.doc h2 { font-size: 20px; margin: 28px 0 8px; }
main.doc p, main.doc li { color: var(--ink-soft); font-size: 15.5px; }
main.doc ul { padding-left: 22px; margin: 8px 0; }
main.doc a { color: var(--accent); }

footer.site {
  border-top: 1px solid var(--border);
  padding: 26px 0 40px;
  color: var(--ink-faint);
  font-size: 14px;
}
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; }
footer.site a { color: var(--ink-soft); text-decoration: none; margin-right: 14px; }
footer.site a:hover { color: var(--accent); }