.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.thumbnail {
  width: 100%;
  display: block;
  border-radius: 0.5em;
  margin-bottom: 1em;
}
.thumbnail:hover {
  transform: scale(1.03);
}

.lightbox {
  display: none;
  position: fixed;
  z-index: 1000;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  justify-content: center;
  align-items: center;
  flex-direction: column;
  backdrop-filter: blur(10px); /* 🎯 This is the blur effect */
  -webkit-backdrop-filter: blur(6px); /* for Safari */
}

.lightbox-img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 12px;
}

.imageClose {
  position: absolute;
  top: 30px;
  right: 40px;
  font-size: 40px;
  color: white;
  cursor: pointer;
}