Portrait Éditorial sur Escalier en Marbre

Full-body fashion portrait of [a young woman with long straight dark-brown hair and soft bangs] sitting elegantly on [wide marble stairs inside a luxurious modern building]. She wears [a rust-orange utility jacket draped over her shoulders, a cream ribbed knit sweater, a dark navy buttoned vest, high-waisted wide-leg navy trousers, and rust-orange pointed-toe high heels], with [a matching structured rust-orange handbag] resting beside her. She rests in a relaxed editorial pose, one hand gently supporting her cheek while the other rests beside her. Background: [Large floor-to-ceiling windows revealing a softly blurred city skyline and distant mountains]. Lighting: Warm golden sunlight streaming through windows, creating soft highlights and shadows across the marble architecture. Style & Details: Photorealistic luxury fashion editorial photography, natural skin texture, realistic fabric details, shallow depth of field, subtle film grain.