Design a full-body image of a futuristic superhero with a realistic style. The character has short blond hair and is wearing a high-tech costume with blue and black colors, including subtle checkered patterns. He is holding a smartphone-like device, which he uses to control a futuristic-looking baseball that hovers beside him, featuring glowing seams and advanced materials. The superhero has an intelligent and confident demeanor. The background is a futuristic cityscape, emphasizing the advanced technology of the world he is part of.