body {
margin: 0;
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            background: #0f172a;
            color: #e5e7eb;
        }
        header {
            padding: 3rem 1.5rem;
            text-align: center;
            background: linear-gradient(135deg, #1e293b, #020617);
        }
        header h1 {
            margin: 0;
            font-size: 2.2rem;
            letter-spacing: 0.05em;
        }
        header p {
            margin-top: 1rem;
            color: #94a3b8;
        }
        main {
            max-width: 960px;
            margin: 0 auto;
            padding: 3rem 1.5rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.5rem;
        }
        .card {
            background: #020617;
            border: 1px solid #1e293b;
            border-radius: 12px;
            padding: 1.5rem;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.4);
        }
        .card h2 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .card p {
            color: #94a3b8;
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .card a {
            display: inline-block;
            margin-top: 1rem;
            color: #38bdf8;
            text-decoration: none;
            font-weight: bold;
        }
        .card a:hover {
            text-decoration: underline;
        }

a {
    color: #4da3ff;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
        footer {
            text-align: center;
            padding: 2rem;
            font-size: 0.85rem;
            color: #64748b;
        }