.photos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
  width: 100%;
}

@media (min-width: 768px) {
  .photos-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 180px);
  }
  .photo-card-hero {
    grid-column: span 2;
    grid-row: span 3;
  }
  .photo-card-sub {
    grid-column: span 1;
    grid-row: span 1;
  }
}

.photo-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  display: block;
  text-decoration: none;
  background: #111;
  min-height: 200px;
}

@media (min-width: 768px) {
  .photo-card {
    min-height: 0;
  }
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}

.photo-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  transition: background 0.2s ease;
}

.photo-card:hover .photo-card-overlay {
  background: rgba(0, 0, 0, 0.25);
}

.photo-card-overlay h3 {
  color: #fff !important;
  margin: 0;
  font-size: 1.35em;
  font-weight: bold;
  text-align: center;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}