No worries. Check your overflows on your sections and your invisible header. Make sure they are set to hidden and see if that fixes the issue. Typically the white space is from a section or element extending past the page and or a section were an interaction is happening from outside the width of the page.
Ah yes, this is exactly the problem. However, part of the design of the page is that the header has a slight angle along the bottom (a technique I learned from one of the webflow tutorials, I believe), but when I turn the overflow off, the angle disappears since it’s outside the bounding box. Know of any tricks to allow this angle to show with overflow off?