:root {
  color-scheme: light dark;
  --bg: #f6f7fb;
  --surface: #ffffff;
  --text: #17191f;
  --muted: #626976;
  --line: #dfe3eb;
  --accent: #0a7cff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111318;
    --surface: #1a1e25;
    --text: #f2f4f8;
    --muted: #aab2c0;
    --line: #313844;
    --accent: #5ca4ff;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

header,
section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  margin: 0 0 20px;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin: 0 0 14px;
}

p,
ul {
  margin: 0 0 14px;
}

ul {
  padding-left: 22px;
}

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

.eyebrow {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 8px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.nav a {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  text-decoration: none;
}

.muted {
  color: var(--muted);
}

.site-footer {
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 640px) {
  main {
    width: min(100% - 20px, 920px);
    padding-top: 20px;
  }

  header,
  section {
    padding: 20px;
  }
}