Development team - if you have WordPress grab a copy of WP Bakery’s Visual Composer for some inspirational ideas on building Drag and Drop web pages.
Your concept of page sections is akin to their ROWS
They make it easy to create perfect multi-column layouts
Built in 30 something widgets for adding content including widgets for tabs, sliders, accordions - all the things your users are having to cobble together to do with javascript/jquery.