/* Popup styling */
.popup-banner {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  z-index: 9999;
  border: 2px solid #333;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  background-color: white;
  border-radius: 10px;
  overflow: hidden;
}

.popup-banner img {
  width: 100%;
  height: auto;
  display: block;
}

.popup-close {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  background: rgba(0,0,0,0.5);
  border-radius: 50%;
  padding: 2px 10px;
  cursor: pointer;
}

.overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
}