Technical illustration, digital design book, computer architecture solutions manual, opened on a wooden desk, surrounded by scattered papers, pens, and empty coffee cups, solo male programmer, 30s, short brown hair, glasses, worn-out T-shirt, jeans, sneakers, leaning forward, hands on keyboard, focused expression, dimly lit office background with rows of servers, coding lines on the screen, futuristic neon lights, sharp angles, detailed textures, metallic materials, modern interior design, minimalist style, high-tech atmosphere, cinematic lighting, 3/4 composition, shallow depth of field.