/* Local preview: compact navigation on deliberate downward scroll, without changing page layout. */
@media (max-width:599px) {
  .root-nav {
    transform-origin: center bottom;
    transition: transform 400ms cubic-bezier(.4,0,.2,1);
  }
  .root-nav[data-compact='true']:not(:has(.catalog-sheet-backdrop)) { transform: scale(.85); }
}
@media (prefers-reduced-motion:reduce) {
  .root-nav { transition: none; }
}