.popup {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0; top: 0;
  width: 100vw; height: 100vh;
  background-color: rgba(0,0,0,0.8);
  justify-content: center;
  align-items: center;
}

.popup-content {
  position: relative;
  width: 90%;
  max-width: 800px;
  aspect-ratio: 16/9;
  background: #000;
}

.popup-content iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.close-btn {
  position: absolute;
  top: -20px;
  right: -20px;
  font-size: 30px;
  color: white;
  cursor: pointer;
}