A digital painting of Superman in futuristic, cybernetic heavy armor with a sleek helmet, set in a sci-fi world. The portrait is elegant and highly detailed, capturing his full body in smooth, sharp focus. The concept art style draws inspiration from the works of Artgerm, Greg Rutkowski, and Alphonse Mucha, highlighting intricate, glowing elements that add depth and intrigue. This illustration maintains a balance of sophistication and complexity, while the composition remains clean and refined, free from technical imperfections or distortions.