A digital painting of Superman wearing sleek, cybernetic heavy armor with an intricate, glowing design and a futuristic helmet. Set in a sci-fi theme, the full-body illustration is elegant and highly detailed, reminiscent of art styles by Artgerm, Greg Rutkowski, and Alphonse Mucha. The smooth composition is sharply focused, invoking a sense of concept art brilliance as seen on ArtStation. Avoid low quality elements or digital artifacts, with precise attention to proportions, anatomy, and realistic rendition of limbs and facial features.