:root {
  --green: #0b6b4f;
  --green-dark: #085540;
  --ink: #1a1d1c;
  --muted: #5c6663;
  --bg: #fafcfb;
  --card: #ffffff;
  --line: #e3e9e6;
  --radius: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }
header.site {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; }
.logo { font-weight: 800; font-size: 1.2rem; color: var(--green); text-decoration: none; }
nav a { color: var(--muted); text-decoration: none; margin-left: 20px; font-size: 0.95rem; }
nav a:hover { color: var(--ink); }
.hero { text-align: center; padding: 72px 0 48px; }
.hero h1 { font-size: 2.4rem; line-height: 1.2; letter-spacing: -0.02em; }
.hero p.sub { font-size: 1.2rem; color: var(--muted); margin: 16px auto 0; max-width: 560px; }
.cta {
  display: inline-block; margin-top: 28px; background: var(--green); color: #fff;
  padding: 13px 28px; border-radius: 8px; text-decoration: none; font-weight: 600;
}
.cta:hover { background: var(--green-dark); }
.note { font-size: 0.9rem; color: var(--muted); margin-top: 10px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; padding: 40px 0; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px;
}
.card h3 { font-size: 1.02rem; margin-bottom: 6px; }
.card p { font-size: 0.95rem; color: var(--muted); }
.pricing { text-align: center; padding: 40px 0 64px; }
.pricing h2 { font-size: 1.7rem; margin-bottom: 8px; }
.pricing p.pitch { color: var(--muted); margin-bottom: 28px; }
.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.tier { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; }
.tier.featured { border-color: var(--green); border-width: 2px; }
.tier .price { font-size: 1.9rem; font-weight: 800; color: var(--green); }
.tier .per { color: var(--muted); font-size: 0.9rem; }
.tier ul { list-style: none; margin-top: 14px; font-size: 0.92rem; color: var(--muted); }
.tier li { padding: 3px 0; }
main.doc { padding: 56px 0 80px; }
main.doc h1 { font-size: 1.9rem; margin-bottom: 6px; }
main.doc .updated { color: var(--muted); font-size: 0.9rem; margin-bottom: 32px; }
main.doc h2, main.doc h3 { margin: 28px 0 8px; font-size: 1.15rem; }
main.doc p, main.doc li { color: #333b38; }
main.doc ul { padding-left: 22px; margin: 8px 0; }
footer.site {
  border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted);
  font-size: 0.88rem; background: var(--card);
}
footer.site .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
footer.site a { color: var(--muted); }
@media (max-width: 600px) { .hero h1 { font-size: 1.8rem; } }