/* Minimal responsive CSS (no external dependencies) */
:root {
  --bg: #0e0f14;
  --card: #151824;
  --text: #e6e6e9;
  --muted: #a0a3ad;
  --accent: #7aa2f7;
  --radius: 16px;
  --maxw: 1080px;
  --shadow: 0 8px 30px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
  color: var(--text);
  background: radial-gradient(1200px 800px at 15% -10%, #1a1e2b 0%, #0e0f14 55%) no-repeat, var(--bg);
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1rem; }

.site-header {
  position: sticky; top: 0; z-index: 1000;
  backdrop-filter: blur(8px);
  background: rgba(14,15,20,0.7);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner { display: flex; align-items: center; gap: 1rem; padding: 0.8rem 0; }
.brand { font-weight: 800; letter-spacing: 0.5px; color: var(--text); text-decoration: none; }
.brand:hover { color: var(--accent); }

.nav-toggle {
  display: none; background: transparent; border: 1px solid rgba(255,255,255,0.15);
  color: var(--text); padding: 0.4rem 0.6rem; border-radius: 10px; cursor: pointer;
}
.nav ul { list-style: none; display: flex; gap: 0.4rem; margin: 0; padding: 0; }
.nav a {
  display: inline-block;
  padding: 0.6rem 0.8rem;
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
}
.nav a:hover { background: rgba(255,255,255,0.06); }
.nav a.active { background: rgba(122,162,247,0.15); color: #dbe7ff; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; width: 100%; }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; gap: 0; padding: 0.5rem 0; }
  .nav a { width: 100%; }
  .header-inner { flex-wrap: wrap; }
}

.content { padding: 1.4rem 0 2.2rem; }
.card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem 1.2rem;
}

.prose h1, .prose h2, .prose h3 { line-height: 1.25; margin-top: 1rem; margin-bottom: 0.5rem; }
.prose p { color: var(--text); margin: 0.6rem 0 1rem; }
.prose a { color: var(--accent); }
.prose ul { padding-left: 1.2rem; }
.prose img, .prose video { max-width: 100%; height: auto; border-radius: 12px; }
.prose blockquote { margin: 0; padding: 0.6rem 1rem; border-left: 3px solid var(--accent); background: rgba(255,255,255,0.04); border-radius: 6px; }

.site-footer { border-top: 1px solid rgba(255,255,255,0.06); padding: 1rem 0 1.5rem; color: var(--muted); }
.site-footer a { color: var(--muted); }