:root {
  --bg: #0f1115;
  --panel: #171a21;
  --text: #e8edf5;
  --muted: #b8c2d3;
  --line: #2a3040;
  --accent: #8fb7ff;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site {
  max-width: 760px;
  margin: 0 auto;
  padding: 1rem;
}

header, footer {
  padding: 0.5rem 0;
}

nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 0.5rem 0 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  margin: 0 0 1rem;
}

h1, h2 { line-height: 1.3; margin-top: 0; }
ul { margin: 0.3rem 0 0.3rem 1.2rem; }
.small { color: var(--muted); font-size: 0.95rem; }
.button {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.65rem 0.9rem;
  background: #1d2433;
}

@media (max-width: 600px) {
  .site { padding: 0.85rem; }
  h1 { font-size: 1.5rem; }
}