.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.popup-box {
  position: relative;
  width: 95%;
  max-width: 600px; 
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

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

.close-btn {
  position: absolute;
  top: -16px;
  right: -16px;
  background: #000;
  color: #fff;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  z-index: 10;
}

@media (max-width: 768px) {
 .popup-box {
  width: 90%;
  }

  .close-btn {
    top: -14px;
    right: -14px;
    width: 28px;
    height: 28px;
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .close-btn {
    top: -12px;
    right: -12px;
    width: 24px;
    height: 24px;
    font-size: 18px;
  }
}

@media (max-width: 360px) {
  .close-btn {
    top: -10px;
    right: -10px;
    width: 20px;
    height: 20px;
    font-size: 16px;
  }
}