/* Animation Utilities - cmack.dev v2.0 */

/* Fade-in animation with consistent timing */
.fade-in {
  opacity: 0;
  animation: fadeInUp var(--duration-slow) var(--ease-smooth) forwards;
}

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

/* Stagger delays for sequential animations */
.fade-in:nth-child(1) { animation-delay: 0ms; }
.fade-in:nth-child(2) { animation-delay: var(--stagger-delay); }
.fade-in:nth-child(3) { animation-delay: calc(var(--stagger-delay) * 2); }
.fade-in:nth-child(4) { animation-delay: calc(var(--stagger-delay) * 3); }
.fade-in:nth-child(5) { animation-delay: calc(var(--stagger-delay) * 4); }
.fade-in:nth-child(6) { animation-delay: calc(var(--stagger-delay) * 5); }

/* Smooth transitions for interactive elements */
.transition-smooth {
  transition: all var(--duration-normal) var(--ease-smooth);
}

/* Hover lift effect */
.hover-lift {
  transition: transform var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -4px rgba(0, 0, 0, 0.1);
}