Need some help with My HTML code

Evening everyone 👋 I was wondering if someone might be able to help Me out with My rather messy HTML Code, lol. I should note that I'm still relatively new to HTML/CSS/JS/etc.. so go easy on Me pls 😅 Anyway, I'm trying to create/replicate a sort of.. "introduction-animation" (Sure let's call it that for now, I guess 😂) for My website which is similar to the one on this website that I recently discovered: https://resn.co.nz/ If You go ahead and visit the website linked above or just view the attached video (To this Discord post/comment) which is quicker and faster, that is what I'm trying to replicate bit-by-bit, exactly how it looks and functions on the website. So TLDR My goal is to get help from someone here (hopefully) who can help Me recreate that "introduction-animation" or whatever You wanna call it which will then transition into a JavaScript (JS) + CSS / based scene that I've already made on My website. If anyone could help Me out, I would really appreciate it Thanks y'all! P.S - Hopefully I'm posting in the right place, if not, I will re-post if need be.

Resn - Digital Experience Agency | Ideation, Design, and Development

Resn is a digital experience agency specializing in creative ideation, digital strategy, user experience, Web3, content strategy, content creation, art direction, design, motion design, animation & 3D, audio and music design, copywriting, web development, e-commerce, game concept and creation, digital installations and activations, advanced inte...