/* Professional Scroll Animations - Optimized for Performance */

/* Animation base states - hidden until scrolled into view */
.animate-on-scroll {
  opacity: 0;
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Fade In */
.fade-in {
  opacity: 0;
}

.fade-in.animated {
  opacity: 1;
}

/* Fade Up - Slides up while fading in */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
}

.fade-up.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Fade In Left - Slides from left */
.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
}

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

/* Fade In Right - Slides from right */
.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
}

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

/* Scale Up - Gentle zoom effect */
.scale-up {
  opacity: 0;
  transform: scale(0.95);
}

.scale-up.animated {
  opacity: 1;
  transform: scale(1);
}

/* Staggered animations for multiple items */
.stagger-delay-1 {
  transition-delay: 0.1s;
}

.stagger-delay-2 {
  transition-delay: 0.2s;
}

.stagger-delay-3 {
  transition-delay: 0.3s;
}

.stagger-delay-4 {
  transition-delay: 0.4s;
}

.stagger-delay-5 {
  transition-delay: 0.5s;
}

/* Smooth parallax effect */
.parallax-slow {
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll,
  .fade-in,
  .fade-up,
  .fade-in-left,
  .fade-in-right,
  .scale-up {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .parallax-slow {
    transform: none !important;
  }
}

/* Loading state optimization - prevent layout shift */
.animate-on-scroll:not(.animated) {
  will-change: opacity, transform;
}

.animate-on-scroll.animated {
  will-change: auto;
}