/* Modal/lightbox for photo expand */
.photo-modal {
  position: fixed;
  z-index: 1000;
  left: 0; top: 0; right: 0; bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 2vw;
  box-sizing: border-box;
}
.photo-modal-img {
  max-width: 90vw;
  max-height: 70vh;
  border-radius: 10px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.3);
  background: #fff;
}
.photo-modal-caption {
  color: #fff;
  margin-top: 1.5rem;
  font-size: 1.1rem;
  text-align: center;
  max-width: 90vw;
}
.photo-modal-close {
  position: absolute;
  top: 2vw;
  right: 3vw;
  color: #fff;
  font-size: 2.5rem;
  font-weight: bold;
  cursor: pointer;
  z-index: 1001;
  text-shadow: 0 2px 8px #000;
  transition: color 0.2s;
}
.photo-modal-close:hover {
  color: #ffb347;
}
@media (max-width: 600px) {
  .photo-modal-img {
    max-width: 98vw;
    max-height: 50vh;
  }
  .photo-modal-caption {
    font-size: 1rem;
  }
}