.hero-glow { filter: drop-shadow(0 0 15px rgba(59, 130, 246, 0.4)); animation: pulse 4s infinite; }
        @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.9; } }
        .spec-table tr:nth-child(even) { background-color: #f8fafc; }