:root {
    --bg: #0a0e1a;
    --surface: #111827;
    --primary: #00e5ff;
    --primary-dim: rgba(0, 229, 255, 0.15);
    --text: #e2e8f0;
    --text-dim: #94a3b8;
    --border: rgba(255,255,255,0.06);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
}
.glow-line {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0.6;
}
header {
    text-align: center;
    padding: 3rem 1.5rem 2rem;
    background: linear-gradient(180deg, rgba(0,229,255,0.04) 0%, transparent 100%);
}
header .logo {
    font-family: 'Orbitron', monospace;
    font-size: 1.6rem;
    color: var(--primary);
    letter-spacing: 4px;
    margin-bottom: 0.5rem;
}
header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}
header .meta {
    font-size: 0.85rem;
    color: var(--text-dim);
}
main {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}
h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}
h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
    margin: 1.5rem 0 0.5rem;
}
h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dim);
    letter-spacing: 0.02em;
    margin: 1.25rem 0 0.5rem;
}
p { margin-bottom: 1rem; color: var(--text); }
ul, ol {
    margin: 0.5rem 0 1rem 1.5rem;
    color: var(--text);
}
li { margin-bottom: 0.4rem; }
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin: 1rem 0;
}
.card-title {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.8rem;
    color: var(--text-dim);
    border-top: 1px solid var(--border);
}
footer a { color: var(--primary); }
@media (max-width: 600px) {
    header h1 { font-size: 1.4rem; }
    main { padding: 1.5rem 1rem 3rem; }
}