.hero-glow {
            filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.3));
            animation: breathe 4s ease-in-out infinite;
        }
        @keyframes breathe {
            0%, 100% { transform: scale(1); opacity: 0.95; }
            50% { transform: scale(1.02); opacity: 1; }
        }