/**
 * @file
 * ERC Image Grid - Responsive grid layout for image sequences.
 *
 * Breakpoints align with content-variants.css:
 * - Mobile (<768px): 1 column
 * - Tablet (769-1024px): 2 columns
 * - Desktop (>1025px): 4 columns
 */

.erc-image-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1rem;
  align-items: center;
  margin: 1.5rem 0;
}

.erc-image-grid__item {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.erc-image-grid__item img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 120px;
  object-fit: contain;
}

.erc-image-grid__item a {
  display: block;
  width: 100%;
}

.erc-image-grid__item a img {
  transition: opacity 0.2s ease;
}

.erc-image-grid__item a:hover img {
  opacity: 0.8;
}

/* Tablet: 2 columns */
@media (min-width: 769px) and (max-width: 1024px) {
  .erc-image-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

/* Desktop: 4 columns */
@media (min-width: 1025px) {
  .erc-image-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }
}