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Hi Richard,
This design is nice - there are just a few things i would change:
Check your alignment on the blocks and the width of your page. The header section with the logo and nav is one width, then the green, purple and yellow blocks are another width and the two blocks below this are another width and then the bottom nav is another width again. Try to check vertical lines to keep things neater.
I think the gradient at the top of the page could be lighter and make the logo stand out more.
There is consistency on colour - however the colour of the Learn more buttons does not look the same as the Get started now button.
The drop shadow on the coloured blocks is too heavy, I would make it more subtle or even remove it as it doesn't fit with he rest of the clean design.
I like the subtle background image, although does it have any relevance to the product or service you are offering?
Other than that I like the idea.

Thank you.