/* ============================================================================
   responsive.css
   ============================================================================ */

@media (max-width: 768px) {
    .nav-links { display: none; }

    .hero {
        min-height: auto;
        padding: 8rem 0 4rem;
    }

    .cards-grid, .cluster-grid { grid-template-columns: 1fr; }

    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .stack-grid { grid-template-columns: repeat(3, 1fr); }

    section { padding: 3.5rem 0; }

    .network-map { flex-direction: column; gap: 0.5rem; }
    .net-arrow { transform: rotate(90deg); }

    .info-banner { flex-direction: column; gap: 0.75rem; }
}

@media (max-width: 480px) {
    .stats-row { grid-template-columns: 1fr; }
    .stack-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }
}