.glass-nav { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(12px); }
        .page-transition { animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
        .no-scrollbar::-webkit-scrollbar { display: none; }
        #mobile-menu { transition: transform 0.3s ease-in-out; }
        #mobile-menu.hidden-menu { transform: translateY(-100%); }
        .stagger-item { opacity: 0; animation: fadeIn 0.8s forwards; }
        .stagger-1 { animation-delay: 0.1s; }
        .stagger-2 { animation-delay: 0.2s; }
        .stagger-3 { animation-delay: 0.3s; }