.photo-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: .85rem;
  margin: 1rem 0 1.5rem;
}

.photo-card {
  display: block;
  overflow: hidden;
  border: 1px solid #dce1ea;
  border-radius: 8px;
  background: #fff;
  color: #344054;
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.photo-card:hover {
  transform: translateY(-2px);
  border-color: #b8c2d2;
  box-shadow: 0 8px 22px rgba(15, 23, 42, .09);
}

.photo-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #f2f4f7;
}

.photo-card span {
  display: block;
  padding: .48rem .6rem;
  font-size: .78rem;
  color: #667085;
}

.photo-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  grid-template-rows: 1fr auto;
  place-items: center;
  padding: 2rem;
  background: rgba(15, 23, 42, .88);
}

.photo-lightbox[hidden] {
  display: none;
}

.photo-lightbox img {
  max-width: min(100%, 1200px);
  max-height: calc(100vh - 7rem);
  object-fit: contain;
  background: #fff;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .36);
}

.photo-lightbox-caption {
  margin-top: .8rem;
  color: #eef2f7;
  font-size: .9rem;
}

.photo-lightbox-close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 50%;
  background: rgba(15, 23, 42, .55);
  color: #fff;
  cursor: pointer;
  font: 1.6rem/1 system-ui, sans-serif;
}

.photo-lightbox-close:hover {
  background: rgba(15, 23, 42, .85);
}

@media (max-width: 640px) {
  .photo-gallery {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .photo-lightbox {
    padding: 1rem;
  }
}