Navbarchange opacity and text color when scroll down

How to Create a Frozen Header That Changes as Visitors Scroll
i was a win user and I’m new with webflow
i had a nav bar with color font and background zero opacity
when i scroll down the page i want to increase the nabber opacity and change the font color and i can’t to that
plz help me
like this: https://www.architectcafe.net/home


Here is my public share link: LINK
(how to access public share link)

Hello @Life_Dets

There are a few ways to do this but I think that the easiest one is to create a trigger div that whenever it scrolls out of view display a background colour on the navbar. Do you have a preview link where we can show you how to do it?