/* ==========================================
   SCHOOL №11 - CUSTOM SCROLL ANIMATIONS SYSTEM
   High-End Editorial Parallax, Clip-Path Reveals, & Stagger
   ========================================== */

/* 1. Custom Minimalist Scroll Progress Bar */
.scroll-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 2000;
  pointer-events: none;
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-gold-600) 0%, var(--color-gold-500) 50%, var(--color-gold-400) 100%);
  box-shadow: 0 0 8px rgba(197, 155, 39, 0.6);
  transition: width 0.08s linear;
}

/* 2. Hero Elements Parallax & Depth Transitions */
.hero-bg-media img {
  will-change: transform;
  transform-origin: center center;
}

.hero-content {
  will-change: transform, opacity;
}

/* 3. Section Entrance & Stagger Reveal Classes */
.reveal-section {
  opacity: 0;
  transform: translateY(50px) scale(0.98);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-section.is-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* 4. Headlines & Text Stagger Reveal */
.reveal-headline {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-headline.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-badge {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.05s;
}

.reveal-badge.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-subtext {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.18s;
}

.reveal-subtext.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* 5. Editorial Image Mask Reveal (Clip-Path) */
.image-reveal-mask {
  overflow: hidden;
  position: relative;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.1s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: clip-path;
}

.image-reveal-mask img {
  transform: scale(1.16);
  transition: transform 1.3s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.image-reveal-mask.is-revealed {
  clip-path: inset(0 0 0 0);
}

.image-reveal-mask.is-revealed img {
  transform: scale(1);
}

/* 6. Staggered Cards Sequence */
.stagger-container .pillar-card,
.stagger-container .program-item-card,
.stagger-container .news-side-item,
.stagger-container .student-card,
.stagger-container .discipline-item {
  opacity: 0;
  transform: translateY(40px) scale(0.97);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.stagger-container.is-revealed .pillar-card:nth-child(1),
.stagger-container.is-revealed .program-item-card:nth-child(1),
.stagger-container.is-revealed .news-side-item:nth-child(1),
.stagger-container.is-revealed .student-card:nth-child(1),
.stagger-container.is-revealed .discipline-item:nth-child(1) {
  transition-delay: 0.05s;
  opacity: 1;
  transform: translateY(0) scale(1);
}

.stagger-container.is-revealed .pillar-card:nth-child(2),
.stagger-container.is-revealed .program-item-card:nth-child(2),
.stagger-container.is-revealed .news-side-item:nth-child(2),
.stagger-container.is-revealed .student-card:nth-child(2),
.stagger-container.is-revealed .discipline-item:nth-child(2) {
  transition-delay: 0.18s;
  opacity: 1;
  transform: translateY(0) scale(1);
}

.stagger-container.is-revealed .pillar-card:nth-child(3),
.stagger-container.is-revealed .program-item-card:nth-child(3),
.stagger-container.is-revealed .news-side-item:nth-child(3),
.stagger-container.is-revealed .student-card:nth-child(3),
.stagger-container.is-revealed .discipline-item:nth-child(3) {
  transition-delay: 0.3s;
  opacity: 1;
  transform: translateY(0) scale(1);
}

.stagger-container.is-revealed .pillar-card:nth-child(4),
.stagger-container.is-revealed .program-item-card:nth-child(4),
.stagger-container.is-revealed .news-side-item:nth-child(4),
.stagger-container.is-revealed .student-card:nth-child(4),
.stagger-container.is-revealed .discipline-item:nth-child(4) {
  transition-delay: 0.42s;
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* 7. Hover Card Zoom Polish (3-5% Subtle Scale) */
.pillar-card .pillar-bg img,
.student-card-media img,
.news-featured-media img,
.news-side-thumb img {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.pillar-card:hover .pillar-bg img,
.student-card:hover .student-card-media img,
.news-featured-card:hover .news-featured-media img,
.news-side-item:hover .news-side-thumb img {
  transform: scale(1.04);
}

/* 8. Reduced Motion Media Query */
@media (prefers-reduced-motion: reduce) {
  .scroll-progress-container {
    display: none;
  }

  .reveal-section,
  .reveal-headline,
  .reveal-badge,
  .reveal-subtext,
  .stagger-container .pillar-card,
  .stagger-container .program-item-card,
  .stagger-container .news-side-item,
  .stagger-container .student-card,
  .stagger-container .discipline-item {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .image-reveal-mask {
    clip-path: none !important;
    transition: none !important;
  }

  .image-reveal-mask img {
    transform: none !important;
    transition: none !important;
  }
}

/* 9. Mobile Scroll Optimization (< 768px) */
@media (max-width: 768px) {
  .reveal-section,
  .reveal-headline {
    transition-duration: 0.4s;
    transform: translateY(20px);
  }

  .stagger-container .pillar-card,
  .stagger-container .program-item-card,
  .stagger-container .news-side-item,
  .stagger-container .student-card {
    transition-delay: 0s !important;
    transform: translateY(20px);
  }

  .image-reveal-mask {
    clip-path: inset(0 0 0 0);
    transition: none;
  }
  
  .image-reveal-mask img {
    transform: none;
  }
}