/* Page-specific styles for preschool.html */

.program-hero {
  min-height: 420px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 5rem 0;
}

.program-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 34, 27, 0.9) 0%, rgba(8, 34, 27, 0.6) 45%, rgba(8, 34, 27, 0.2) 100%);
}

.program-hero-content {
  position: relative;
  z-index: 1;
  max-width: 650px;
  color: var(--white);
}

.program-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 3.2vw, 3rem);
  margin: 0.5rem 0 1rem;
}

.program-hero p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}

.program-hero-baby {
  background-image: url("../img/akademik/banner_jenjang/baby_class.jpg");
}

.program-hero-playgroup {
  background-image: url("../img/akademik/banner_jenjang/playgroup.jpg");
}

.program-hero-preschool {
  background-image: url("../img/akademik/banner_jenjang/kindergarten.jpg");
}

.program-hero-elementary {
  background-image: url("../img/akademik/banner_jenjang/elementray.jpg");
}

.program-grid-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.program-card {
  background: linear-gradient(135deg, var(--white), var(--gray-subtle));
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
}

.program-card h3 {
  font-family: var(--font-heading);
  color: var(--primary);
  margin-bottom: 0.8rem;
}

.program-card p {
  color: var(--gray-dark);
  line-height: 1.7;
  margin: 0;
}

.program-activities {
  padding-top: 0;
}

.program-section-header {
  max-width: 760px;
  margin-bottom: 2rem;
}

.program-section-header .section-subtitle {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.program-section-header h2 {
  font-family: var(--font-heading);
  color: var(--primary);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 0.75rem;
}

.program-section-header p {
  color: var(--gray-dark);
  line-height: 1.8;
  margin: 0;
}

/* MODERN ANIMATED ACTIVITY CARDS */
.program-activity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.program-activity-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(15, 56, 44, 0.08);
  border: 1px solid rgba(15, 56, 44, 0.09);
  aspect-ratio: 4 / 3;
  cursor: pointer;
  isolation: isolate;
  /* Animasi Awal: Muncul dari samping (Slide-in from side) lebih pelan dan halus */
  opacity: 0;
  transform: translateX(-70px);
  transition:
    opacity 1.25s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1.25s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.45s ease;
}

/* Card genap muncul meluncur dari arah kanan */
.program-activity-card:nth-child(even) {
  transform: translateX(70px);
}

/* Keadaan aktif saat masuk viewport */
.program-activity-card.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delay berurutan agar muncul bergantian lebih rileks dan elegan */
.program-activity-card:nth-child(1) {
  transition-delay: 0.1s;
}
.program-activity-card:nth-child(2) {
  transition-delay: 0.22s;
}
.program-activity-card:nth-child(3) {
  transition-delay: 0.36s;
}
.program-activity-card:nth-child(4) {
  transition-delay: 0.5s;
}
.program-activity-card:nth-child(5) {
  transition-delay: 0.64s;
}
.program-activity-card:nth-child(6) {
  transition-delay: 0.78s;
}

/* Efek Hover setelah card sudah muncul */
.program-activity-card.is-visible:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow:
    0 22px 45px rgba(15, 56, 44, 0.2),
    0 0 0 2px rgba(212, 175, 55, 0.55);
  border-color: rgba(212, 175, 55, 0.7);
  transition:
    transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.4s ease;
  transition-delay: 0s;
}

.program-activity-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition:
    transform 0.65s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.45s ease;
}

.program-activity-card.is-visible:hover img {
  transform: scale(1.09);
  filter: brightness(1.03) contrast(1.02);
}

/* Diagonal Sheen Shimmer on Hover */
.program-activity-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: -130%;
  width: 75%;
  height: 100%;
  background: linear-gradient(105deg, transparent 20%, rgba(255, 255, 255, 0.5) 50%, transparent 80%);
  transform: skewX(-25deg);
  transition: left 0.75s ease;
  pointer-events: none;
  z-index: 3;
}

.program-activity-card.is-visible:hover::after {
  left: 160%;
}

/* LIGHTBOX MODAL FOR ACTIVITIES */
.activity-lightbox-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(9, 23, 18, 0.9);
  backdrop-filter: blur(10px);
  z-index: 2500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1.5rem;
}

.activity-lightbox-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.activity-lightbox-box {
  position: relative;
  max-width: 960px;
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55);
  background: #000;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.activity-lightbox-backdrop.active .activity-lightbox-box {
  transform: scale(1);
}

.activity-lightbox-box img {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  display: block;
}

.activity-lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background-color 0.2s,
    color 0.2s,
    transform 0.2s;
  z-index: 10;
}

.activity-lightbox-close:hover {
  background: var(--accent);
  color: var(--primary-dark);
  transform: scale(1.08);
}

.program-next-level {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.4rem 1.6rem;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.program-next-level span {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.program-next-level h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  margin: 0;
}

.program-next-level .btn {
  flex: 0 0 auto;
}

@media (max-width: 1024px) {
  .program-grid-card {
    grid-template-columns: repeat(2, 1fr);
  }

  .program-activity-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (max-width: 640px) {
  .program-grid-card {
    grid-template-columns: 1fr;
  }

  .program-activity-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .program-next-level {
    align-items: flex-start;
    flex-direction: column;
  }
}