.photo-showcase {
  max-width: 900px;
  margin: 0 auto;
}

.photo-slideshow-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-md, 8px);
  box-shadow: 0 10px 25px rgba(29, 21, 18, 0.2);
  background-color: var(--color-gray-light, #e5e0da);
}

.photo-slideshow-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1);
  transition: opacity 1.2s ease, transform 5.5s ease-out;
}

.photo-slideshow-img.is-active {
  opacity: 1;
  transform: scale(1.08);
}

.photo-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm, 0.75rem);
  margin-top: var(--space-md, 1.25rem);
}

@media (min-width: 640px) {
  .photo-preview-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.photo-preview-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius-md, 4px);
  cursor: pointer;
  background-color: var(--color-gray-light, #e8ecef);
  border: 3px solid transparent;
  opacity: 0;
  transform: scale(0.92);
  transition: border-color var(--transition-base, 0.2s), opacity 0.5s ease, transform 0.5s ease;
}

.photo-preview-item.is-visible {
  opacity: 1;
  transform: scale(1);
}

.photo-preview-item.is-visible:hover {
  transform: translateY(-2px);
}

.photo-preview-item.is-selected {
  border-color: var(--color-bourbon-gold, #d4af37);
}

.photo-preview-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow, 400ms ease);
}

.photo-preview-item:hover img {
  transform: scale(1.08);
}