/* Full-bleed hero video */
.btx-hero{
  position:relative; margin:0; width:100vw; max-width:100vw;
  left:50%; transform:translateX(-50%); overflow:hidden;
}
.btx-hero-embed{ position:relative; width:100%; height:100vh; overflow:hidden; }
.btx-hero-embed iframe{
  position:absolute; top:50%; left:50%;
  width:100vw; height:56.25vw; min-width:177.78vh; min-height:100vh;
  transform:translate(-50%,-50%); border:0;
}
/* Phones: simple 16:9 */
@media (max-width:767.98px){
  .btx-hero-embed{ height:auto; }
  .btx-hero-embed iframe{ position:static; width:100%; height:auto; aspect-ratio:16/9; transform:none; }
}