:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #4a4a4a;
  --color-accent: #cc0131;
  --color-border: #e5e5e5;
  --color-surface: #fafafa;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

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

header {
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem;
}

header .brand {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  text-decoration: none;
}

header .brand span {
  color: var(--color-accent);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

h1 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

h2 {
  font-size: 1.2rem;
  margin-top: 2rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.4rem;
}

.updated {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

p, li {
  color: var(--color-text);
}

ul, ol {
  padding-left: 1.25rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th, td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  font-size: 0.95rem;
}

th {
  background: var(--color-surface);
}

.callout {
  background: var(--color-surface);
  border-left: 4px solid var(--color-accent);
  padding: 1rem 1.25rem;
  border-radius: 4px;
  margin: 1.5rem 0;
}

.card-links {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.card-links a {
  display: block;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--color-text);
}

.card-links a:hover {
  border-color: var(--color-accent);
}

.card-links strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-accent);
}

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

footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-border);
}