#masthead { transition:transform 450ms cubic-bezier(0.4, 0, 0.2, 1); }
#masthead.is-scroll-hidden { transform:translateY(calc(-100% - var(--dj-header-top, 0px))); }
body.mobile-open #masthead, #masthead:has(:focus-visible) { transform:none; }
@media (prefers-reduced-motion:reduce) {
    #masthead { transition:none; }
}