/* ===== SMOOTH LAZY LOADING SYSTEM ===== */

/* Base lazy loading styles */
.lazy-element {
  opacity: 0;
  visibility: hidden;
  will-change: transform, opacity;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lazy-element.lazy-loaded {
  opacity: 1;
  visibility: visible;
  transform: translateX(0) translateY(0) scale(1) rotateX(0deg) rotateY(0deg);
}

/* ===== ANIMATION TYPES ===== */

/* Fade In */
.lazy-fade {
  opacity: 0;
  transition: opacity 0.8s ease-out;
}

.lazy-fade.lazy-loaded {
  opacity: 1;
}

/* Fade In Up */
.lazy-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Slide In From Left */
.lazy-slide-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lazy-slide-left.lazy-loaded {
  opacity: 1;
  transform: translateX(0);
}

/* Slide In From Right */
.lazy-slide-right {
  opacity: 0;
  transform: translateX(60px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lazy-slide-right.lazy-loaded {
  opacity: 1;
  transform: translateX(0);
}

/* Slide In From Bottom */
.lazy-slide-up {
  opacity: 0;
  transform: translateY(60px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lazy-slide-up.lazy-loaded {
  opacity: 1;
  transform: translateY(0);
}

/* Slide In From Top */
.lazy-slide-down {
  opacity: 0;
  transform: translateY(-60px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lazy-slide-down.lazy-loaded {
  opacity: 1;
  transform: translateY(0);
}

/* Scale In */
.lazy-scale {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lazy-scale.lazy-loaded {
  opacity: 1;
  transform: scale(1);
}

/* Rotate In */
.lazy-rotate {
  opacity: 0;
  transform: rotate(-10deg) scale(0.9);
  transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lazy-rotate.lazy-loaded {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* Flip In */
.lazy-flip {
  opacity: 0;
  transform: rotateY(-90deg);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lazy-flip.lazy-loaded {
  opacity: 1;
  transform: rotateY(0deg);
}

/* Bounce In */
.lazy-bounce {
  opacity: 0;
  transform: scale(0.3);
  transition: all 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.lazy-bounce.lazy-loaded {
  opacity: 1;
  transform: scale(1);
}

/* ===== STAGGERED ANIMATIONS ===== */

.lazy-stagger-1 { transition-delay: 0.1s; }
.lazy-stagger-2 { transition-delay: 0.2s; }
.lazy-stagger-3 { transition-delay: 0.3s; }
.lazy-stagger-4 { transition-delay: 0.4s; }
.lazy-stagger-5 { transition-delay: 0.5s; }
.lazy-stagger-6 { transition-delay: 0.6s; }
.lazy-stagger-7 { transition-delay: 0.7s; }
.lazy-stagger-8 { transition-delay: 0.8s; }

/* ===== SECTION-SPECIFIC ANIMATIONS ===== */

/* Hero Section */
.lazy-hero-title {
  opacity: 0;
  transform: translateY(40px) scale(0.95);
  transition: all 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lazy-hero-title.lazy-loaded {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.lazy-hero-subtitle {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transition-delay: 0.2s;
}

.lazy-hero-subtitle.lazy-loaded {
  opacity: 1;
  transform: translateY(0);
}

.lazy-hero-button {
  opacity: 0;
  transform: translateY(20px) scale(0.9);
  transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
  transition-delay: 0.4s;
}

.lazy-hero-button.lazy-loaded {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* About Section */
.lazy-about-video {
  opacity: 0;
  transform: translateX(-80px) scale(0.85) rotateY(-15deg);
  transition: all 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform-style: preserve-3d;
  perspective: 1200px;
}

.lazy-about-video.lazy-loaded {
  opacity: 1;
  transform: translateX(0) scale(1) rotateY(0deg);
}

.lazy-about-title {
  opacity: 0;
  transform: translateX(60px) translateY(30px) rotateX(12deg);
  transition: all 1s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform-style: preserve-3d;
  perspective: 1000px;
}

.lazy-about-title.lazy-loaded {
  opacity: 1;
  transform: translateX(0) translateY(0) rotateX(0deg);
}

.lazy-about-text {
  opacity: 0;
  transform: translateX(40px) translateY(25px);
  transition: all 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lazy-about-text.lazy-loaded {
  opacity: 1;
  transform: translateX(0) translateY(0);
}

.lazy-about-button {
  opacity: 0;
  transform: translateX(35px) translateY(20px) scale(0.8);
  transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lazy-about-button.lazy-loaded {
  opacity: 1;
  transform: translateX(0) translateY(0) scale(1);
}

/* Program Cards */
.lazy-program-card {
  opacity: 0;
  transform: translateY(50px) scale(0.9);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lazy-program-card.lazy-loaded {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Gallery Items */
.lazy-gallery-item {
  opacity: 0;
  transform: scale(0.8) rotateY(-15deg);
  transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lazy-gallery-item.lazy-loaded {
  opacity: 1;
  transform: scale(1) rotateY(0deg);
}

/* News/Berita Cards */
.lazy-news-card {
  opacity: 0;
  transform: translateY(40px) rotateX(10deg);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform-style: preserve-3d;
}

.lazy-news-card.lazy-loaded {
  opacity: 1;
  transform: translateY(0) rotateX(0deg);
}

/* Facility Items */
.lazy-facility-item {
  opacity: 0;
  transform: translateX(-40px) scale(0.9);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lazy-facility-item.lazy-loaded {
  opacity: 1;
  transform: translateX(0) scale(1);
}

/* Section Titles */
.lazy-section-title {
  opacity: 0;
  transform: translateY(30px) scale(0.95);
  transition: all 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lazy-section-title.lazy-loaded {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Section Subtitles */
.lazy-section-subtitle {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transition-delay: 0.2s;
}

.lazy-section-subtitle.lazy-loaded {
  opacity: 1;
  transform: translateY(0);
}

/* Footer Elements */
.lazy-footer-section {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lazy-footer-section.lazy-loaded {
  opacity: 1;
  transform: translateY(0);
}

/* ===== MOBILE OPTIMIZATIONS ===== */

@media (max-width: 768px) {
  /* Reduce animation intensity on mobile */
  .lazy-slide-left {
    transform: translateX(-30px);
  }
  
  .lazy-slide-right {
    transform: translateX(30px);
  }
  
  .lazy-slide-up {
    transform: translateY(30px);
  }
  
  .lazy-slide-down {
    transform: translateY(-30px);
  }
  
  .lazy-about-video {
    transform: translateX(-40px) scale(0.9) rotateY(-8deg);
  }
  
  .lazy-about-title {
    transform: translateX(30px) translateY(20px) rotateX(8deg);
  }
  
  .lazy-about-text {
    transform: translateX(25px) translateY(15px);
  }
  
  .lazy-about-button {
    transform: translateX(20px) translateY(12px) scale(0.9);
  }
  
  .lazy-program-card {
    transform: translateY(30px) scale(0.95);
  }
  
  .lazy-gallery-item {
    transform: scale(0.9) rotateY(-8deg);
  }
  
  .lazy-news-card {
    transform: translateY(25px) rotateX(5deg);
  }
}

@media (max-width: 480px) {
  /* Minimal animations on very small screens */
  .lazy-slide-left,
  .lazy-slide-right {
    transform: translateX(20px);
  }
  
  .lazy-slide-up,
  .lazy-slide-down {
    transform: translateY(20px);
  }
  
  .lazy-about-video {
    transform: translateX(-20px) scale(0.95);
  }
  
  .lazy-about-title {
    transform: translateX(15px) translateY(10px);
  }
  
  .lazy-about-text {
    transform: translateX(12px) translateY(8px);
  }
  
  .lazy-about-button {
    transform: translateX(10px) translateY(6px) scale(0.95);
  }
  
  .lazy-program-card {
    transform: translateY(20px) scale(0.98);
  }
  
  .lazy-gallery-item {
    transform: scale(0.95);
  }
  
  .lazy-news-card {
    transform: translateY(15px);
  }
}

/* ===== ACCESSIBILITY ===== */

@media (prefers-reduced-motion: reduce) {
  .lazy-element,
  .lazy-fade,
  .lazy-fade-up,
  .lazy-slide-left,
  .lazy-slide-right,
  .lazy-slide-up,
  .lazy-slide-down,
  .lazy-scale,
  .lazy-rotate,
  .lazy-flip,
  .lazy-bounce,
  .lazy-hero-title,
  .lazy-hero-subtitle,
  .lazy-hero-button,
  .lazy-about-video,
  .lazy-about-title,
  .lazy-about-text,
  .lazy-about-button,
  .lazy-program-card,
  .lazy-gallery-item,
  .lazy-news-card,
  .lazy-facility-item,
  .lazy-section-title,
  .lazy-section-subtitle,
  .lazy-footer-section {
    transition: opacity 0.3s ease !important;
    transform: none !important;
    animation: none !important;
  }
  
  .lazy-element.lazy-loaded,
  .lazy-fade.lazy-loaded,
  .lazy-fade-up.lazy-loaded,
  .lazy-slide-left.lazy-loaded,
  .lazy-slide-right.lazy-loaded,
  .lazy-slide-up.lazy-loaded,
  .lazy-slide-down.lazy-loaded,
  .lazy-scale.lazy-loaded,
  .lazy-rotate.lazy-loaded,
  .lazy-flip.lazy-loaded,
  .lazy-bounce.lazy-loaded,
  .lazy-hero-title.lazy-loaded,
  .lazy-hero-subtitle.lazy-loaded,
  .lazy-hero-button.lazy-loaded,
  .lazy-about-video.lazy-loaded,
  .lazy-about-title.lazy-loaded,
  .lazy-about-text.lazy-loaded,
  .lazy-about-button.lazy-loaded,
  .lazy-program-card.lazy-loaded,
  .lazy-gallery-item.lazy-loaded,
  .lazy-news-card.lazy-loaded,
  .lazy-facility-item.lazy-loaded,
  .lazy-section-title.lazy-loaded,
  .lazy-section-subtitle.lazy-loaded,
  .lazy-footer-section.lazy-loaded {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */

.lazy-container {
  contain: layout style paint;
}

.lazy-element {
  contain: layout style;
}

/* Loading state indicator */
.lazy-loading {
  opacity: 0.1;
  visibility: visible;
}

/* Preload hint for critical elements */
.lazy-critical {
  opacity: 0.3;
  visibility: visible;
}

/* ===== HIGH CONTRAST MODE ===== */

@media (prefers-contrast: high) {
  .lazy-element {
    border: 1px solid transparent;
  }
  
  .lazy-element.lazy-loaded {
    border-color: currentColor;
  }
}