:root {
  --bg: #f7f5f2;
  --text: #1c2430;
  --muted: #5b6573;
  --header-bg: #1c2430;
  --header-text: #ffffff;
  --accent: #e8731a;
  --border: #ddd8d1;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --text: #e8ebf0;
    --muted: #a0a9b6;
    --header-bg: #0b0e12;
    --header-text: #ffffff;
    --accent: #f08a3a;
    --border: #2a323d;
  }
}

* {
  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: 44rem;
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header {
  background: var(--header-bg);
  border-bottom: 4px solid var(--accent);
}

.brand {
  margin: 0;
  padding: 1.25rem 0;
  color: var(--header-text);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

main.wrap {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

h2 {
  margin: 0 0 0.5rem;
  font-size: 2.25rem;
  line-height: 1.2;
}

p {
  margin: 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.site-footer {
  padding-top: 1rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
}