.nn-footer-premium{background:#222;color:#fff;padding:40px 20px}.nn-footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}@media(max-width:768px){.nn-footer-grid{grid-template-columns:1fr}}.nn-footer-bottom{margin-top:20px;border-top:1px solid #444;padding-top:15px}