/* Keyframes */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4); }
  70% { box-shadow: 0 0 0 15px rgba(79, 70, 229, 0); }
  100% { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0); }
}

/* Base Classes */
.animate-fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.animate-slide-up {
  opacity: 0;
  animation: slideUp 0.8s ease forwards;
}

.animate-scale-in {
  opacity: 0;
  animation: scaleIn 0.6s ease forwards;
}

.animate-pulse {
  animation: pulse-glow 2s infinite;
}

/* Staggered variables for children */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* Scroll Reveal Utility */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal.reveal-left {
  transform: translateX(-50px);
}
.reveal.reveal-right {
  transform: translateX(50px);
}
.reveal.reveal-left.active,
.reveal.reveal-right.active {
  transform: translateX(0);
}