/* Pulse sutil premium */
.save{
  animation: pulseSave 1.8s ease-in-out infinite;
  transform-origin: center;
}

@keyframes pulseSave{
  0%,100% { transform: translate3d(0,0,0) scale(1); }
  50%     { transform: translate3d(0,-2px,0) scale(1.05); }
}

/* Si el usuario prefiere menos animación */
@media (prefers-reduced-motion: reduce){
  .save{ animation: none; }
}