لوحة إعلانية حضرية | Urban Billboard Mockup

Vertical 4:5.
Large format digital billboard on a modern glass building facade.
Billboard screen is blank with a subtle ambient glow (no text).
Evening blue hour city setting, realistic perspective angle from street level.
Metropolitan atmosphere with soft city lights bokeh, commercial photography style.
8K look.
No people, no women, no logos, no text, no watermark.