A highly detailed digital painting of a sci-fi Superman in cybernetic heavy armor and helmet, glowing with intricate designs, capturing an elegant full-body portrait with smooth and sharp focus. The illustration embodies the essence of concept art, inspired by the styles of Artgerm, Greg Rutkowski, and Alphonse Mucha, showcasing a futuristic and sophisticated look. The composition emphasizes a refined and flawless anatomy, presenting a heroically poised Superman with a sleek and powerful presence, maintaining a clean aesthetic without any distortion or visual errors.