Architectural design patterns in C++ PDF, modern office interior, wooden desk, ergonomic chair, floor lamp, bookshelves, coding books, coffee cup, notebook, pencil holder, solo male programmer, mature, bespectacled, short brown hair, formal wear, white shirt, dark blue trousers, black leather shoes, serious facial expression, focused on laptop screen, morning light, softbox lighting, shallow depth of field, 3/4 composition, realistic rendering, high-quality textures.