/* ============================================================
   REVEAL & SCROLL ANIMATIONS (WOW FACTOR)
   ============================================================ */

/* 1. Reveal Base Styles */
.reveal-fade,
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  will-change: transform, opacity;
}

.reveal-fade {
  transition: opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}
.reveal-fade.is-visible {
  opacity: 1;
}

.reveal-up {
  transform: translateY(40px);
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}
.reveal-up.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.reveal-left {
  transform: translateX(-50px);
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}
.reveal-left.is-visible {
  transform: translateX(0);
  opacity: 1;
}

.reveal-right {
  transform: translateX(50px);
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}
.reveal-right.is-visible {
  transform: translateX(0);
  opacity: 1;
}

/* 2. Staggered reveal for grids/lists */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform, opacity;
}

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* Auto-generate delay for staggered items up to 10 children */
.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.1s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.2s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.3s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.4s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.5s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.6s; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 0.7s; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 0.8s; }
.reveal-stagger.is-visible > *:nth-child(9) { transition-delay: 0.9s; }
.reveal-stagger.is-visible > *:nth-child(10) { transition-delay: 1.0s; }

/* ============================================================
   HOVER SHIMMER EFFECT FOR PROGRAM CARDS
   ============================================================ */
.field-card__img-wrapper {
  position: relative;
}

/* Tia sáng quét qua */
.field-card__img-wrapper::after {
  content: "";
  position: absolute;
  top: 0;
  left: -150%;
  width: 80px;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.35) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: skewX(-25deg);
  pointer-events: none;
  z-index: 5;
}

.field-card:hover .field-card__img-wrapper::after {
  animation: shineEffect 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes shineEffect {
  0% {
    left: -150%;
  }
  100% {
    left: 200%;
  }
}

/* ============================================================
   PARALLAX & REVEAL FOR DECO TEXTS
   ============================================================ */
.program__deco,
.supervision__deco,
.fields__deco,
.wishes__deco,
.pricing__deco,
.schedule__deco,
.access__deco,
.faq__deco {
  opacity: 0;
  will-change: transform, opacity;
  transition: opacity 1.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.program__deco.is-visible,
.supervision__deco.is-visible,
.fields__deco.is-visible,
.wishes__deco.is-visible,
.pricing__deco.is-visible,
.schedule__deco.is-visible,
.access__deco.is-visible,
.faq__deco.is-visible {
  opacity: 0.8 !important; /* Đảm bảo độ mờ tinh tế sang trọng */
}