/* Gallery container with flexbox */
.gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: flex-start;
  padding: 0.5rem;
}

/* Gallery items: side-by-side on desktop and tablet, stacked on small screens */
.gallery-item {
  box-sizing: border-box;
  flex: 0 1 30%;
  max-width: 30%;
  border: 1px solid hsl(35, 70%, 95%);
  transition: border 0.3s;
}

.gallery-item:hover {
  border: 1px solid var(--color-secondary);
}

/* Description text */
.desc {
  padding: 15px;
  text-align: center;
  font-family: var(--font-header);
  font-size: clamp(1rem, 2vw, 1.5rem);
}

/* Lessons heading */
.lessons {
  padding: 15px;
  text-align: center;
  font-family: var(--font-header);
  font-size: clamp(3vw, 4vw, 5vw);
  margin: 0 auto;
}

/* Image container and images */
.image-container {
  position: relative;
  width: 100%;
  aspect-ratio: 12 / 9;
  overflow: hidden;
}

.image {
  position: absolute;
  top: 8%;
  left: 11%;
  width: 72%;
  height: 86%;
  object-fit: cover;
  z-index: 1;
}

.overlay-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  z-index: 2;
}

/* Lazy loading images */
.gallery-item img[data-src] {
  opacity: 0.5;
  transition: opacity 0.3s ease-in;
}

.gallery-item img.loaded {
  opacity: 1;
}

/* Tablet breakpoint */
@media only screen and (max-width: 700px) {
  .gallery-item {
    flex: 0 1 48%;
    max-width: 48%;
  }
}

/* Mobile breakpoint */
@media only screen and (max-width: 500px) {
  .gallery-item {
    flex: 1 1 100%;
    max-width: 100%;
  }
}