.hero-glow { filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.3)); transition: all 0.5s ease; }
        .hero-glow:hover { filter: drop-shadow(0 0 35px rgba(59, 130, 246, 0.5)); }
        @keyframes pulse-soft { 0%, 100% { opacity: 1; } 50% { opacity: 0.8; } }
        .animate-pulse-soft { animation: pulse-soft 3s infinite; }