hyperrealistic portrait of a cyberpunk man, long hair, cyberspace, by Guy Denning, Johannes Itten, Russ Mills, glitch art, hacking effects, glitch effects, digital tech effects, cybernetics, detailed lines, chromatic, color blocking!, acrylic on canvas, highly detailed, front view, symmetrical, octane, concept art, abstract, artistic, 8k, cinematic, trending on artstation