--energy-snap: cubic-bezier(0.0, 0, 0.2, 1);
--energy-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
--energy-punch: cubic-bezier(0.22, 1, 0.36, 1);

@keyframes energy-burst {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes energy-shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

@keyframes energy-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}