:root { scroll-behavior: smooth; }
        .glass-nav { background: rgba(15, 23, 42, 0.9); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255,255,255,0.08); }
        .section-fade { animation: fadeInUp 0.8s ease-out forwards; }
        @keyframes fadeInUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }
        .hero-gradient { background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.15) 0%, rgba(15, 23, 42, 1) 100%); }
        .card-hover { transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
        .card-hover:hover { transform: translateY(-8px); border-color: rgba(59, 130, 246, 0.4); box-shadow: 0 20px 40px -20px rgba(0,0,0,0.3); }
        .nav-link { position: relative; cursor: pointer; }
        .nav-link::after { content: ''; position: absolute; width: 0; height: 2px; bottom: -4px; left: 0; background: #3B82F6; transition: width 0.3s; }
        .nav-link:hover::after { width: 100%; }
        .active-nav::after { width: 100% !important; }
        .custom-scrollbar::-webkit-scrollbar { width: 6px; }
        .custom-scrollbar::-webkit-scrollbar-thumb { background: #3B82F6; border-radius: 10px; }