:root {
  color-scheme: light;
  --bg: #fafafa;
  --surface: #ffffff;
  --text: #1a1d21;
  --text-secondary: #5a6472;
  --border: #e2e5e9;
  --accent: #0b84ff;
}

* { 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;
}

header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.header-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

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

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

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

main.landing {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  padding-top: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.25;
  margin: 0 0 8px;
}

h2 {
  font-size: 19px;
  margin: 36px 0 12px;
  padding-top: 8px;
}

h3 {
  font-size: 15px;
  margin: 24px 0 8px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

p, li { font-size: 15.5px; color: var(--text); }

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

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14.5px;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

ul { padding-left: 22px; }
li { margin-bottom: 6px; }

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

footer a { color: var(--text-secondary); }

.landing p {
  color: var(--text-secondary);
  font-size: 17px;
  max-width: 480px;
  margin: 12px auto 28px;
}

.landing-links a {
  display: inline-block;
  margin: 0 10px;
  font-size: 15px;
  font-weight: 500;
}