#popupOverlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

#popupBox {
  display: flex;
  flex-direction: column;
  background: #fff;
  width: 250px;
  max-width: 300px;
  min-width: 250px;
  
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  text-align: center;
}

#popupBox img {
  width: 100%;
  display: block;
}

#closePopup {
  position: absolute;
  top: 10px;
  right: 10px;
  background: #000;
  color: #fff;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  z-index: 10;   /* ← FORCED ON TOP */
}

.schedule-btn {
  background: #f5b400;
  color: #000;
  text-align: center;
  text-decoration: none;
  font-weight: bold;

  /* 🔥 Responsive font size */
  font-size: clamp(8px, 2.5vw, 12px);
  padding: clamp(6px, 1vw, 8px);
  display: block;
}

@media (max-width: 300px) {
  #popupBox {
    width: 90%;
  }
}