/* Mobile-only stability helpers. Desktop starts at 768px and is untouched. */
@media (max-width: 767px) {
  /* Public cards and article hero images are 16:9. Reserve that space before
     the lazy-loaded file has revealed its intrinsic dimensions. */
  main img.object-cover:not([width]):not([height]),
  main article a:first-child > img:not([width]):not([height]) {
    aspect-ratio: 16 / 9;
    width: 100%;
    object-fit: cover;
  }

  /* Embedded race videos must not grow the article after the frame arrives. */
  main iframe[src*="youtube.com/embed/"],
  main iframe[src*="youtube-nocookie.com/embed/"] {
    aspect-ratio: 16 / 9;
    width: 100%;
    height: auto;
  }
}