/* ==========================================================================
   Dr. Hanaa Morjane — Gallery Page Styles (gallery.css)
   ========================================================================== */

/* Page Hero Subtitle */
.page-hero__subtitle {
  font-size: var(--fs-body-lg);
  margin-top: var(--space-md);
}

/* ==========================================================================
   1. Filter Bar
   ========================================================================== */
.filter-bar-wrapper {
  position: sticky;
  top: 80px;
  z-index: 100;
  background-color: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--clr-neutral-200);
  transition: top var(--dur-normal) var(--ease-out);
}
.header--scrolled ~ main .filter-bar-wrapper {
  top: 70px;
}

.gallery-filter {
  display: flex;
  gap: var(--space-sm);
  padding-block: var(--space-md);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  position: relative;
}
.gallery-filter::-webkit-scrollbar {
  display: none;
}

.gallery-filter__btn {
  flex-shrink: 0;
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-full);
  border: 1px solid var(--clr-primary-200);
  color: var(--clr-primary-500);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  transition: all var(--dur-normal) var(--ease-out);
}
.gallery-filter__btn:hover {
  background-color: var(--clr-primary-50);
}
.gallery-filter__btn.is-active {
  background-color: var(--clr-primary-500);
  border-color: var(--clr-primary-500);
  color: white;
  box-shadow: 0 4px 12px rgba(181, 37, 110, 0.2);
}

.gallery-section {
  padding-block: var(--space-3xl);
}

/* ==========================================================================
   2. Photo Grid
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 480px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  background-color: var(--clr-neutral-200);
  transition: opacity var(--dur-normal) var(--ease-out),
              transform var(--dur-normal) var(--ease-out),
              box-shadow var(--dur-normal) var(--ease-out);
  aspect-ratio: 4 / 3;
}
.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.gallery-item.is-hidden {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
}

.gallery-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
.gallery-item:hover .gallery-item__img {
  transform: scale(1.05);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26, 15, 30, 0.8) 0%,
    rgba(181, 37, 110, 0.2) 100%
  );
  opacity: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-md);
  transition: opacity var(--dur-normal) var(--ease-out);
  color: white;
}
.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--dur-normal) var(--ease-spring);
}
.gallery-item:hover .gallery-item__icon {
  transform: translate(-50%, -50%) scale(1);
}
.gallery-item__icon svg {
  width: 24px;
  height: 24px;
  fill: white;
}

.gallery-item__caption {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  transform: translateY(10px);
  transition: transform var(--dur-normal) var(--ease-out);
}
.gallery-item:hover .gallery-item__caption {
  transform: translateY(0);
}

/* ==========================================================================
   3. Videos Section
   ========================================================================== */
.videos-section {
  background-color: var(--clr-neutral-100);
  padding-block: var(--space-3xl);
}

.videos-header {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-3xl);
}

.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .video-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.video-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--clr-dark-bg);
  box-shadow: var(--shadow-sm);
}

.video-card__player {
  width: 100%;
  display: block;
  aspect-ratio: 9 / 16;
  object-fit: cover;
}