#smart-header-1d223e3a {
    transition: transform 0.3s ease-in-out !important;
    will-change: transform;
}

#smart-header-1d223e3a.is-hidden {
    transform: translateY(-100%) !important;
}

/* Accessibility: Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    #smart-header-1d223e3a {
        transition: none !important;
    }
}