.pf-vertical-video {
position: relative;
width: 100%;
max-width: 420px; /* adjust (e.g., 360px) if you want a tighter video */
margin: 0 auto 24px;
aspect-ratio: 9 / 16;
overflow: hidden;
}
.pf-vertical-video iframe {
position: absolute;
inset: 0;
width: 100%;
height: 100%;
}