.backdrop-blur-nav { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
        .mask-gradient { mask-image: linear-gradient(to bottom, black 80%, transparent); }
        .hover-lift { transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); }
        .hover-lift:hover { transform: translateY(-8px); }