/* Wrapper centers the video but does NOT force upscaling */
.hv-wrap{
  max-width:100%;
  display:flex;
  justify-content:center;
}

/*
  Key point:
  - width:auto + max-width:100% => shrink to fit small screens, but do NOT upscale beyond the video's intrinsic size.
*/
.hv-video{
  width:auto;
  height:auto;
  max-width:100%;
  display:block;
  border-radius:10px;
}

/* Avoid layout jump when controls appear */
.hv-video{background:transparent}