Modern 3-tier architecture system design, futuristic cityscape background, sleek skyscraper, glass and steel structure, complex network of wires and circuits, multiple screens displaying data flow diagrams, elegant businessman standing in front of a massive screen, wearing a suit and holding a tablet, confident posture, stylish short hair, subtle facial stubble, serious expression, softbox lighting, shallow depth of field, cinematic composition, blue and white color scheme, detailed textures, realistic ambiance.