.kroi-gallery {
  display: grid;
  gap: 15px;
}
.kroi-item {
  position: relative;
  overflow: hidden;
}
.kroi-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}
.kroi-caption {
  text-align: center;
  margin-top: 8px;
  font-size: 0.95em;
  color: #444;
  position: relative;
  z-index: 2;
}
.kroi-item a {
  display: block;
  position: relative;
}
.kroi-item a .overlay {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--overlay-color, rgba(0, 0, 0, 0.3));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}
.kroi-item a:hover .overlay {
  opacity: 1;
}
.kroi-columns-1 {
  grid-template-columns: repeat(1, 1fr);
}
.kroi-columns-2 {
  grid-template-columns: repeat(2, 1fr);
}
.kroi-columns-3 {
  grid-template-columns: repeat(3, 1fr);
}
.kroi-columns-4 {
  grid-template-columns: repeat(4, 1fr);
}
.kroi-columns-5 {
  grid-template-columns: repeat(5, 1fr);
}
.kroi-columns-6 {
  grid-template-columns: repeat(6, 1fr);
}
@media (max-width: 768px) {
  .kroi-columns-2, .kroi-columns-3, .kroi-columns-4, .kroi-columns-5, .kroi-columns-6 {
    grid-template-columns: repeat(1, 1fr);
  }
}