Footer Reveal on scroll

I am building a site for a client and he wants this footer reveal on scroll . I have tried following few blogs, videos and some templates but I am still unable to achieve this. Anyone who has done similar thing can you please guide me and give me tips on how to achieve this particular effect.
Can anyone help me?
Thank you in advance

videos and templates I tried to follow : https://www.youtube.com/watch?v=gi_M1xWmeKc,
https://webflow.com/made-in-webflow/website/Trendy-Footer-Reveal
preview link: https://preview.webflow.com/preview/thinkmind-dev?utm_medium=preview_link&utm_source=designer&utm_content=thinkmind-dev&preview=824bcbc8230683ba80dc7d0d3e100afd&workflow=preview

YouTubeRobin G.

fixed footer scroll reveal (in Webflow)

Check out my Webflow templates: https://robn.link/templates

This example is based on my portfolio template "Wind" - https://webflow.com/templates/html/wind-portfolio-website-template

Try out Webflow: https://webflow.grsm.io/robin

Lenis smooth scroll: https://github.com/studio-freight/lenis

This example is very similar to my previous ...

Trendy Footer Reveal!

Trendy Footer Reveal! - Webflow

One of my favorite, trendy interactions is a footer that reveals itself once the user gets to the bottom of the page. I've used this effect a number of times, and thought I'd share it with you (trendy vertical nav included)! Enjoy, and clone away!

For Cloners: Be sure to make the height of the section-footer-spacer to be the same as your footer...