CSS Animations

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.fade-in { animation: fadeIn 0.5s ease-in; }

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.slide-up { animation: slideUp 0.5s ease-out; }

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}
.bounce { animation: bounce 1s ease-in-out infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.pulse { animation: pulse 2s ease-in-out infinite; }

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.spin { animation: spin 1s linear infinite; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}
.shake { animation: shake 0.5s ease-in-out; }

@keyframes scaleIn {
  from { transform: scale(0); }
  to { transform: scale(1); }
}
.scale-in { animation: scaleIn 0.3s ease-out; }

@keyframes flip {
  from { transform: perspective(400px) rotateY(0); }
  to { transform: perspective(400px) rotateY(360deg); }
}
.flip { animation: flip 1s ease-in-out; }