@keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
        }
        .glass-card {
            backdrop-filter: blur(16px);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .project-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(45deg, #00f0ff22, #ff00f022);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .project-card:hover::before {
            opacity: 1;
        }