Customize the theme and create one page website with included Style Switcher.
Step 1
Create new theme or select existing theme from style switcher.
Step 2
Select "One Page" website type and hit Save from style switcher.
Step 3
Open the page you want to make One Page and apply your one page theme to the page (Edit Page > Page Appearance > Page Theme).
Step 4
Add the HTML Module on the page.
Step 5
Wrap the HTML content with any html tag with Id attr should name as appropriate menu name.
Suppose you want to link Latest Projects to desired content, then pass "LatestProjects" as id in module content.
Example:
<section id="LatestProjects" >
</section>