.main-menu{display:flex;list-style:none;gap:2px}.menu-item{cursor:pointer;position:relative}.submenu-container{position:relative;margin-top:10px}.submenu{position:absolute;top:100%;left:0;list-style:none;transition:opacity 0s,transform 0s;opacity:0;transform:translateY(-10px);pointer-events:none;width:500px}.submenu.visible{opacity:1;transform:translateY(0);pointer-events:auto}.submenu.hidden{opacity:0;pointer-events:none}.submenu-item{opacity:0;animation:fadeIn 0s ease forwards}.submenu.hidden .submenu-item{animation:fadeOut 0s ease forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-5px)}}