Create ONE standalone premium website background, landscape 16:9, highest available native detail. Collection: City address. Intended use: Dark section background. Scene and composition: Premium city penthouse terrace at blue hour, graphite railing and tiny warm interior pool of light on right, wide navy city horizon with sparse amber windows. Style: High-end photorealistic architectural editorial photography for premium urban real estate. Graphite metal, softly bronzed glass, pale stone and muted blue sky. Cinematic natural light, realistic buildings with coherent windows and floorplates, strong elegant geometry, subtle atmospheric depth. Keep generous intentional negative space suited to this composition. Exquisite art direction, natural optics, very fine film grain, believable proportions and surfaces. This is an IMAGE ASSET, not a website screenshot. No words, numbers, lettering, logos, watermarks, UI, borders, collages or inset pictures. Do not add a title or any typography.