Wow amazing first build plans my guy!
Something to definitely consider though: you need case fans. Either add some to the build (plenty if you're going 4080 and an oc 13700k), and/or switch out the case. I just built in the o11-d evo's little sibling and I love it to bits but if you're not sure, or want some fans pre-installed (at this price not so relevant) then consider something else. Personal taste for the most part.
Cooler should be good! If you don't care about looks at all I can't not recommend noctua until you step up to a 280 or 360 aio.
If you're gaming and doing content creation, 2TBs will only get you so far. I would start planning, even if you don't want to buy now, how that will be increased. I find over time my main drive gets bloated so I, for my build I just made, have started with 2 drives and don't put games or steam etc anywhere near my boot drive.
Good luck!