/**
 * PsyGuild — Scroll Reveal & Lazy Load Styles
 * 
 * Chỉ áp dụng cho các phần tử được đánh dấu .pg-reveal
 * Không can thiệp loader, carousel, batch-carousel, tab
 */

/* ===========================
   SCROLL REVEAL — Base State
   =========================== */
.pg-reveal {
  opacity: 0;
  transform: translateY(22px) scale(.985);
  filter: blur(10px);
  transition:
    opacity 0.8s cubic-bezier(.22,1,.36,1),
    transform 0.8s cubic-bezier(.22,1,.36,1),
    filter 0.8s cubic-bezier(.22,1,.36,1);
  will-change: opacity, transform, filter;
  content-visibility: auto;
  contain-intrinsic-size: auto 300px;
}

/* Visible State */
.pg-reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* Stagger delays cho các card bên trong grid */
.pg-reveal-stagger > *:nth-child(1) { transition-delay: 0s; }
.pg-reveal-stagger > *:nth-child(2) { transition-delay: 0.06s; }
.pg-reveal-stagger > *:nth-child(3) { transition-delay: 0.12s; }
.pg-reveal-stagger > *:nth-child(4) { transition-delay: 0.18s; }
.pg-reveal-stagger > *:nth-child(5) { transition-delay: 0.24s; }
.pg-reveal-stagger > *:nth-child(6) { transition-delay: 0.30s; }
.pg-reveal-stagger > *:nth-child(n+7) { transition-delay: 0.36s; }

/* ===========================
   IMAGE LAZY LOAD — Base
   =========================== */
img.pg-lazy {
  opacity: 0;
  filter: blur(14px);
  transform: scale(1.018);
  transition:
    opacity 0.7s cubic-bezier(.22,1,.36,1),
    filter 0.7s cubic-bezier(.22,1,.36,1),
    transform 0.7s cubic-bezier(.22,1,.36,1);
  will-change: opacity, filter, transform;
}

img.pg-lazy.is-loaded {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
}

/* ===========================
   REDUCED MOTION — Accessibility
   =========================== */
@media (prefers-reduced-motion: reduce) {
  .pg-reveal,
  img.pg-lazy {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
    content-visibility: visible !important;
  }
}