* { font-family: 'Space Grotesk', sans-serif; }
        /* Custom animations */
        @keyframes fadeInUp {
            0% { opacity: 0; transform: translateY(20px); }
            100% { opacity: 1; transform: translateY(0); }
        }
        .animate-fade-up {
            animation: fadeInUp 0.8s ease-out forwards;
        }
        .delay-1 { animation-delay: 0.2s; }
        .delay-2 { animation-delay: 0.4s; }
        .delay-3 { animation-delay: 0.6s; }

        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-8px); }
            100% { transform: translateY(0px); }
        }
        .animate-float {
            animation: float 4s ease-in-out infinite;
        }

        /* Hover glow effect for cards */
        .glow-card {
            transition: all 0.3s ease;
            border: 1px solid rgba(0,255,255,0.1);
        }
        .glow-card:hover {
            border-color: rgba(0,255,255,0.4);
            box-shadow: 0 0 25px -5px rgba(0,255,255,0.3);
            transform: translateY(-4px);
        }

        /* Mobile menu animation */
        .mobile-menu {
            max-height: 0;
            opacity: 0;
            overflow: hidden;
            transition: max-height 0.4s ease-in-out, opacity 0.3s ease;
        }
        .mobile-menu.open {
            max-height: 500px; /* enough for nav items */
            opacity: 1;
        }

        /* Custom scrollbar (optional) */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: #111827; }
        ::-webkit-scrollbar-thumb { background: #00b8b8; border-radius: 10px; }

        /* Smooth scroll */
        html { scroll-behavior: smooth; }