Figured it out! Not sure if this will work for CMS, but I didn’t need it to be CMS driven so… here you go! Here’s how to create a slider that displays content as a grid of cards on desktop/tablet but collapses to an elegant swipeable row of cards on mobile.
Here’s a clonable version of the project you can play with 
Here’s the public Preview link.
And here’s the video:
