City Phone Wallpaper Prompt for Image2

Aspect ratio: 9:16. Minimalist architecture facade wallpaper, modern building with clean white concrete surfaces, geometric window grids casting sharp shadows, a curved staircase with subtle railing details, soft overcast daylight, muted cool tones with pale blue sky negative space at top, cinematic composition with strong vertical lines, low angle perspective emphasizing height and simplicity, textured concrete grain visible on close-up, scattered leaves on ground adding organic contrast, high quality, detailed, wallpaper design, no people, serene atmosphere