Portrait of Superman in advanced cybernetic armor and helmet, infused with sci-fi elements, featuring a glowing intricate design. Full-body depiction capturing elegance and high detail in a digital painting style reminiscent of Artstation concept art. The artwork is smooth, with sharp focus, inspired by the styles of Artgerm, Greg Rutkowski, and Alphonse Mucha. Avoid errors such as low resolution, text inclusion, or poor quality rendering. Ensure anatomy and proportions are accurate, avoiding deformities or excessive limbs. Aim for a striking and well-composed illustration without visual distractions like watermarks or signatures.