Modern office building, Philadelphia cityscape, top architecture firm, sleek glass façade, steel structure, urban landscape, busy streets, people walking, cars driving by, dramatic city lighting, evening atmosphere, blur effect, shallow depth of field, professional businessmen and women walking out of the building, suits and ties, briefcases and laptops, contemporary interior design, open floor plan, minimalistic decor, wooden accents, ergonomic chairs, large windows with city views, collaborative workspaces, innovative meeting rooms.