/* === ANIMATIONS === */

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

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

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

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(50px, -30px) scale(1.1); }
  50% { transform: translate(-20px, 40px) scale(0.95); }
  75% { transform: translate(30px, 20px) scale(1.05); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(42,191,191,0.2); }
  50% { box-shadow: 0 0 40px rgba(42,191,191,0.4); }
}

@keyframes float3d {
  0%, 100% { transform: translateY(0) rotateX(0) rotateY(0); }
  25% { transform: translateY(-8px) rotateX(2deg) rotateY(1deg); }
  75% { transform: translateY(4px) rotateX(-1deg) rotateY(-1deg); }
}

/* Utility Animation Classes */
.animate-fade-in { animation: fadeIn 0.4s ease; }
.animate-fade-up { animation: fadeInUp 0.5s ease both; }
.animate-scale-in { animation: scaleIn 0.3s ease; }
.animate-glow { animation: glowPulse 3s ease-in-out infinite; }
.animate-float { animation: float3d 6s ease-in-out infinite; }

/* Stagger children */
.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }

/* Hover lift */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--bg-surface) 25%, var(--bg-card) 50%, var(--bg-surface) 75%);
  background-size: 400% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

/* Send animation */
.send-animation {
  animation: fadeInUp 0.3s ease;
}

/* Progress animation */
.progress-animated .progress-fill {
  animation: shimmer 2s ease-in-out infinite;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary), var(--primary-light), var(--primary));
  background-size: 300% 100%;
}