:root {
  color-scheme: light;
  --bg: #ffffff;
  --text: #1a1d1b;
  --muted: #5b625e;
  --accent: #1f7a4d;
  --border: #e6e8e7;
}

* { box-sizing: border-box; }

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

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header.page {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.brand {
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  color: var(--text);
}

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

nav a:hover { color: var(--accent); }

h1 {
  font-size: 28px;
  margin-bottom: 4px;
}

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

h2 {
  font-size: 18px;
  margin-top: 36px;
  margin-bottom: 8px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

p, li { color: var(--text); font-size: 15px; }

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

ul { padding-left: 20px; }

.landing {
  text-align: center;
  padding-top: 96px;
}

.landing h1 { font-size: 32px; }

.landing .links {
  margin-top: 24px;
  display: flex;
  gap: 16px;
  justify-content: center;
}

.landing .links a {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 20px;
  text-decoration: none;
  font-weight: 600;
}