Huddle landing page with alternating feature blocks, using Flexbox

This looks really great, well done! Very nice solution

The only things I'd tweak are in the footer, all relating to semantics

• I'd make phone and email into links
• I'd wrap the nav items in the footer in a nav element (labeled with aria-label footer)
• I'd make that nav list into one list and use the column property on larger screens
• if wrap those social icon in anchor tags, label them, set them to open in a new window and use rel="no opener"

Then after all that I'd make sure interactive elements all have clear and consistent focus-visible states.

Pretty small suggestions really, as this is already great ☺

Looks good the only thing I see is at about 1000px wide in the footer look how far your social icons become spaced apart from each other you might want to put them in a container or control the size of their container