Modern architectural office, computer-aided design guide, PDF manual, desk lamp, ergonomic chair, wooden table, glass windows, cityscape view, skyscraper background, daytime, soft natural light, 3/4 composition, shallow depth of field, realistic rendering, HDR, architect, mature man, beard, glasses, white shirt, black tie, pants, leather shoes, holding a tablet, standing, slightly bent, focused expression, minimalist interior design.