:root {
  --bg:       #0d1117;
  --surface:  #161b22;
  --text:     #e6edf3;
  --muted:    #9198a1;
  --accent:   #ff4d80;
  --accent-2: #58a6ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.05rem;
  line-height: 1.7;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent); }
.site-header {
  display: flex;
  align-items: baseline;
  gap: 2rem;
  padding: 1rem 2rem;
  background: var(--surface);
  border-bottom: 1px solid #21262d;
}
.brand { font-size: 1.25rem; font-weight: 700; color: var(--accent); }
.site-header nav { display: flex; gap: 1.25rem; }
.site-header nav a { color: var(--muted); }
.site-header nav a:hover,
.site-header nav a.active { color: var(--accent-2); }
main { max-width: 52rem; margin: 0 auto; padding: 2rem; }
.hero {
  background: var(--surface);
  border: 1px solid #21262d;
  border-radius: 8px;
  padding: 2rem 2.5rem;
  margin-bottom: 2rem;
}
.hero h1 { color: var(--accent); margin-top: 0; }
h1, h2, h3 { line-height: 1.3; }
code {
  background: var(--surface);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  color: var(--accent-2);
}
.site-footer {
  padding: 1.5rem 2rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid #21262d;
  text-align: center;
}