@media (max-width:980px){.reverse-columns-mobile{display:flex;flex-direction:column-reverse}}#transparent-header{position:fixed;top:0;left:0;width:100%;z-index:9999;background:rgba(0,0,0,0.1);transition:all 0.4s ease;backdrop-filter:blur(8px)}#transparent-header.hide{transform:translateY(-100%);opacity:0}#transparent-header.show{transform:translateY(0);opacity:1}