/* Minimal, clean styles for GitHub Pages */
:root {
  --bg: #0f172a;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #60a5fa;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: linear-gradient(180deg, #0b1220 0%, var(--bg) 100%);
  color: var(--text);
}
.header {
  max-width: 980px;
  margin: 0 auto;
  padding: 48px 24px 12px;
}
.header h1 { margin: 0 0 8px; font-size: 32px; }
.header p { margin: 0; color: var(--muted); }
.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
}
.card {
  background: var(--card);
  border: 1px solid #1f2937;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.25);
}
.card h2 { margin-top: 0; }
.grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 900px) { .grid { grid-template-columns: 1fr 1fr; } }
ul { margin: 0; padding-left: 20px; }
.btns { display: flex; gap: 10px; margin-top: 16px; }
.button {
  display: inline-block;
  padding: 10px 16px;
  background: var(--accent);
  color: #0b1220;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}
.button.secondary { background: transparent; color: var(--text); border: 1px solid #374151; }
.footer { color: var(--muted); text-align: center; padding: 24px; }