/* Case cards keep their original media playing; only the colour state changes. */
.project figure>:is(img,video) {filter:grayscale(1)}
.project:is(:active,:focus-visible) figure>:is(img,video) {filter:none}
@media (hover:hover) and (pointer:fine) {
  .project:hover figure>:is(img,video) {filter:none}
}