.gallery-img {
  width: 275px;
  cursor: pointer;
  margin: 5px;
  transition: transform 0.2s;
}

.gallery-img:hover {
  transform: scale(1.05);
}

/* Modal background */
.modal {
  display: none; /* hidden by default */
  position: fixed;
  z-index: 1000;
  inset: 0; /* top:0; right:0; bottom:0; left:0 */
  background-color: rgba(0, 0, 0, 0.85);
  display: flex; /* use flexbox */
  justify-content: center; /* horizontal center */
  align-items: center; /* vertical center */
}
/* Modal image */
.modal-content {
  max-width: 90vw;   /* up to 90% of viewport width */
  max-height: 90vh;  /* up to 90% of viewport height */
  object-fit: contain; /* keeps aspect ratio */
  border-radius: 5px;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

/* Close button */
.close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
  font-weight: bold;
  user-select: none;
}