A close up of a person sitting in a meditation position

8k detailed digital art, book cover design, abstract geometric background in shades of dark grey and black, sharp angular shapes and lines creating a sense of depth and movement, centered silhouette figure in a dynamic martial arts pose, brain icon overlaid with glowing effects in the center, title text in bold white font at the top, creator name in smaller white font at the bottom, minimalist and futuristic overall aesthetic, high contrast between light and dark elements