.smart-header{position:fixed;top:0;left:0;right:0;transform:translateY(0);transition:transform .28s ease,box-shadow .2s ease;will-change:transform;z-index:9999}body{padding-top:var(--smart-header-h,0px)}body.scrolldown .smart-header{transform:translateY(-100%)}body.scrollup .smart-header{transform:translateY(0);box-shadow:0 6px 18px rgba(0,0,0,.06)}@media (min-width:782px){body.admin-bar .smart-header{top:32px}}