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

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Animation utility classes */
.animate-fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

.animate-slide-in-up {
  animation: slideInUp 0.5s ease-out forwards;
}

.animate-scale-in {
  animation: scaleIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Delay utilities */
.animation-delay-100 {
  animation-delay: 100ms;
}

.animation-delay-200 {
  animation-delay: 200ms;
}

.animation-delay-300 {
  animation-delay: 300ms;
}

/* Intersection Observer animations */
.reveal {
  opacity: 0;
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

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

.reveal-up {
  opacity: 0;
  transform: translateY(20px);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
}

/* Performance optimizations */
.will-change-transform {
  will-change: transform;
}

.gpu {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}