:root {
  --primary: #01b78d;
  --text: #1a1d1e;
  --text-secondary: #5a6366;
  --bg: #ffffff;
  --bg-alt: #f5f8f7;
  --border: #e1e6e5;
  --max-width: 780px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

header.site {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
}

.brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
}

nav.site a {
  color: var(--text-secondary);
  text-decoration: none;
  margin-left: 20px;
  font-size: 14px;
}

nav.site a:hover { color: var(--primary); }

main { padding: 48px 0 80px; }

h1 { font-size: 32px; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 40px 0 12px; }
h3 { font-size: 16px; margin: 24px 0 8px; }

p, li { color: var(--text); }

.updated {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 32px;
}

.hero {
  text-align: center;
  padding: 64px 0 48px;
}

.hero p.tagline {
  color: var(--text-secondary);
  font-size: 18px;
  max-width: 520px;
  margin: 12px auto 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  background: var(--bg-alt);
}

.card h3 { margin-top: 0; }
.card p { color: var(--text-secondary); font-size: 14px; margin-bottom: 0; }

.callout {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 14px;
  color: var(--text-secondary);
}

footer.site {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  color: var(--text-secondary);
  font-size: 13px;
}

footer.site .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

a { color: var(--primary); }

table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--text-secondary); font-weight: 600; }