Make navigation bar sticky for better usability on long pages

[mohitjoshi-hey]

The navigation bar disappears when scrolling down, which makes navigation difficult on long documentation pages.

Users have to scroll back to the top to access navigation links. Making the navbar sticky would improve usability and make navigation more efficient.

Screenshots

Before scrolling (navbar visible):

After scrolling (navbar disappears):

This behaviour makes navigation less convenient on long pages

[mohitjoshi-hey]

I’d like to work on this improvement.