Thanks for the details @LMallon10 (sent by DM).
I've published a solution here: Make Squarespace list items clickable.
This takes the link that you've assigned to each CTA button and applies it to the entire list item. This means that users can click the image or any other aspect of an item to trigger the CTA action on your 'Simple' (not scrollable) List Section.
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It should be possible with code, if you are on a business plan or above. However we can't view the site right now so we'll need you to set a password in the visibility settings and share it with us.