Updating pricing calculator

[thomashacker]

What's being changed:

• This PR finalizes and fixes the new pricing calculator core logic and adds minor styling adjustments

Type of change:

• [ ] Documentation updates (non-breaking change to fix/update documentation)
• [x] Website updates (non-breaking change to update main page, company pages, pricing, etc)
• [ ] Content updates – blog, podcast (non-breaking change to add/update content)
• [ ] Bug fix (non-breaking change to fixes an issue with the site)
• [ ] Feature or enhancements (non-breaking change to add functionality)

How Has This Been Tested?

• [ ] GitHub action – automated build completed without errors
• [x] Local build - the site works as expected when running yarn start

note, you can run yarn verify-links to test site links locally