:root {
  color-scheme: light;
  --bg: #0f1419;
  --fg: #e7ecf1;
  --muted: #9aa7b5;
  --accent: #3d8bfd;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 10% -10%, #1b2733, var(--bg));
  color: var(--fg);
  min-height: 100vh;
}

.shell {
  max-width: 880px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.brand {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.version {
  margin: 0.25rem 0 1rem;
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.nav a {
  color: var(--accent);
  text-decoration: none;
}

.nav a:hover { text-decoration: underline; }

section h1 { margin-top: 0; }
section p { color: var(--muted); line-height: 1.5; }
section ul { padding-left: 1.2rem; }