:root {
  --color-primary: #ff7400;
  --color-primary-dark: #cc5c00;
  --color-text: #1a1a2e;
  --color-text-muted: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f9fafb;
  --color-border: #e5e7eb;
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Fira Code', ui-monospace, 'Cascadia Code', monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.site-logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-list {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9rem;
}

.nav-list a[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-list a:hover {
  color: var(--color-primary);
}

.nav-list ul {
  display: none;
}

.content {
  max-width: 48rem;
  margin: 2rem auto;
  padding: 0 2rem;
}

.content h1 {
  font-size: 2rem;
  margin-top: 0;
}

.content h2 {
  margin-top: 2rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.content pre {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.content code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.content a {
  color: var(--color-primary);
}

.api-catalog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 0.75rem;
}

.content h3 + .api-catalog {
  margin-top: 0.75rem;
}

.api-card {
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.api-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(255, 116, 0, 0.1);
}

.api-card h3 {
  margin: 0 0 0.5rem;
  color: var(--color-primary);
}

.api-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.site-footer {
  margin-top: 4rem;
  padding: 1rem 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}