.vertical-video {
  position: relative;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  margin: auto;
}

.player-container {
  position: relative;
}

.player-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

@media (max-width: 576px) {
  .vertical-video {
    max-width: 100%;
  }
}