Hid nav bar at certain point when scrolling down page

[Sorry_Duh]

What kind of transition are you wanting? instantly disappear, slide up, fade etc

If you are wanting sliding for example you can adjust the headers height or maybe use a animated region:

Animated reveal and hide using Animations?

You can use animated region and select the animations for it: [Screenshot_30] [Screenshot_31] Move your content inside it. The animated region has its own dynamic attributes which can be used to show and hide it: [Screenshot_32] And you can control them with a variable value … [Screenshot_33] So pretty similar to this: https://docs.wappler.io/t/toggle-any-element-visibility/3882 but you just use the variable value with the animated region animate visibility dynamic attribute. Another…

So it depends on the end goal