:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --text: #1f2328;
  --muted: #5b6370;
  --accent: #b3261e;
  --border: #e3ded3;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --surface: #1d2128;
    --text: #e8eaed;
    --muted: #a3abb7;
    --accent: #f2867d;
    --border: #2c323b;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

header, footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px;
}

header a.brand {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

footer {
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--border);
}

footer a { color: var(--muted); margin-right: 16px; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 8px 16px 48px;
}

main.landing {
  text-align: center;
  padding-top: 48px;
}

.suits {
  font-size: 44px;
  letter-spacing: 8px;
}

.suits .red { color: #c62828; }

h1 { line-height: 1.25; margin: 0.4em 0; }
h2 { margin-top: 2em; }
h3 { margin-top: 1.5em; }

.muted, .last-updated { color: var(--muted); }