Portrait of Keanu Reeves, silver long hair, male, cyberpunk, extremely detailed, digital painting, artstation, concept art, smooth, sharp focus, illustration, stunning lighting, art by artgerm and greg rutkowski and alphonse mucha and simon stalenhag, realistic character concept, light atmosphere, golden ratio, cinematic lighting, hyperdetailed, high resolution, insanely detailed and intricate, artstation, Marc Simonetti, Greg Rutkowski, 8k