Ah, fantasy genetics! Let's run down the main options.The simplest solution is to just pick the drow or half-elf racial mechanics package and flavor your appearance to your needs. You can use the Tasha's customization rules to tweak things a little and swap the drow weapon profs for other skills while stipulating that the racial spells are inborn rather than trained. That does of course leave you with the problem of still having superior darkvision and sunlight sensitivity, though. Half-elf is a fairly neutral option, mechanically, and maybe you can talk to your DM about minor tweaks like lifespan.
The first escalation is to turn to Tasha's rules for Custom Lineages. This is a fairly flexible "I'm unique and don't fit in your checkboxes" option: One ability of your choice gets +2, gain a feat of your choice, gain darkvision OR one skill of your choice, you speak Common and one other language, done. If you DM allows this it should be fairly easy to skin it with some elfy flavor, especially with the right feat choice.
The level beyond that is to start homebrewing with your DM. This is things like taking the drow racial package, cutting darkvision down to normal in trade for losing sunlight sensitivity, maybe tweaking the Drow Magic options too, and definitely trading the weapon profs on the Tasha's guidelines. The upside is you can try to dial things in precisely for what you want, the downside is a lot of DMs don't like people going this freeform with their character options.
So it's up to you to decide which of this will both meet your desires and be acceptable to your DM. Good luck.
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