Public URL: http://sdcc2.webflow.com/
Public Webflow Link: https://webflow.com/design/sdcc2?preview=722027cc6e66fe7dc095b4f350857024
Custom code for mega menu:
<script>
$('.menu-col1 .menu-link').click(function(){
$('.menu-col1 .menu-link').removeClass('menu-selected')
$(this).addClass('menu-selected')
})
$('.menu-col2 .menu-link').click(function(){
$('.menu-col2 .menu-link').removeClass('menu-selected')
$(this).addClass('menu-selected')
})
Research: