It depends on both the monitor resolution and the games you'll be playing.
For gaming, the Ryzen 5 or i5 is enough cpu, but the 7s or 9s will give you more ummph.
GPU selection is the tough one as there are so many options.
Gamers Nexus is held in high regard:
gamersnexus dot netGN YTTomshardware has some good GPU charts that make it easy to compare relative performance acroos the
brands and generations:
Tom's GPU chart32 G memory is now the norm.
NVME SSDs, I stay with Samsung or Western Digital but Crucial is well regarded as well.
I always try to go middle of the road on motherboards, cheap ones are that for a reason and to super deluxe are
probably overkill.
Case, lights, fans are personal preference, cooling is going to be either air, AIO liquid cooler, or custom loop.
ETA:
PC parts picker