/* Fullscreen overlay */
.popup {
  display: none; /* hidden by default */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 9999;
}

/* Popup box */
.popup-content {
  position: relative;
  margin: 5% auto;
  width: 80%;
  max-width: 800px;
  background: #fff;
  padding: 10px;
  border-radius: 8px;
  text-align: center;
}

/* Image styling */
.popup-content img {
  width: 100%;
  height: auto;
  border-radius: 6px;
}

/* Close button */
.close-btn {
  position: absolute;
  top: 5px;
  right: 10px;
  font-size: 28px;
  cursor: pointer;
}