@keyframes slideUp {
  from {
    transform: translateY(40px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes zoomIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

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

/* Clases utilitarias */
.slide-up {
  animation: slideUp 1s ease both;
}

.zoom-in {
  animation: zoomIn 1.2s ease both;
}

.heartbeat:hover {
  animation: heartbeat 1s infinite;
}