Need help with the scroll effect and Section ID

Hi everybody!
I need a bit of help with my site.

I created a quite basic landing page for a client where I have connected the different section with section ID to the menu. It works, but the section and the navbar doesn’t align and the section lands just 1 or 2 px under the navbar instead.
I have no idea what I might have done or how to fix it.
Any suggestions are welcome :slight_smile:

For example, check this out. It’s still a red line visible under the navbar:


Here is my site Read-Only: