.navbar.scrolled{background:rgba(255,255,255,.98);box-shadow:var(--shadow-md);padding:var(--space-2) 0}.navbar-nav .nav-link.active{color:var(--brand-primary-500);background:var(--brand-primary-100)}.dropdown-divider{margin:var(--space-2) 0;border-color:var(--neutral-200)}.back-to-top.show{opacity:1;visibility:visible}@media (max-width:576px){.navbar-actions{flex-direction:column;gap:var(--space-3);align-items:stretch}}.dropdown-menu.show{opacity:1;transform:translateY(0)}