Modern certificate authority architecture, futuristic skyscraper, sleek glass exterior, angular lines, neon lights illuminating the night sky, urban cityscape, bustling streets, people in business attire walking by, main entrance with revolving doors, lobby with marble floors, security guards standing at attention, elevators leading to high-tech offices, rows of computer servers, complex network cables, holographic displays projecting certification data, professionals in white shirts and black ties working diligently, certificates printed on high-quality paper, embossed stamps, official seals, subtle ambient lighting, cinematic composition.