@keyframes glow {
  0%, 100% {
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
  }
  50% {
    filter: drop-shadow(0 15px 30px rgba(59, 130, 246, 0.3));
  }
}

.hero-controller-container .hero-controller {
  animation: glow 2s ease-in-out infinite;
}