/* ===================================================================
   OPTIMIZED SCROLL ANIMATIONS - Performance Focused
   ================================================================= */

/* Animation Base Classes - Optimized for Performance */
.animate-on-scroll {
  opacity: 0;
  will-change: opacity, transform;
  backface-visibility: hidden;
  transform: translateZ(0);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-on-scroll.animated {
  opacity: 1;
}

/* Fade In Animations - Hardware Accelerated */
[class*="fade-in"],
.scale-in {
  opacity: 0;
  will-change: opacity, transform;
  backface-visibility: hidden;
  transform: translateZ(0);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in {
  transform: translate3d(0, 20px, 0);
}

.fade-in.animated {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.fade-in-left {
  transform: translate3d(-30px, 0, 0);
}

.fade-in-left.animated {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.fade-in-right {
  transform: translate3d(30px, 0, 0);
}

.fade-in-right.animated {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.fade-in-up {
  transform: translate3d(0, 30px, 0);
}

.fade-in-up.animated {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.fade-in-down {
  transform: translate3d(0, -30px, 0);
}

.fade-in-down.animated {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* Scale Animation - Optimized */
.scale-in {
  transform: scale3d(0.95, 0.95, 1);
}

.scale-in.animated {
  opacity: 1;
  transform: scale3d(1, 1, 1);
}

/* Stagger Delays - Optimized */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll,
  [class*="fade-"],
  .scale-in {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}