Intricate Art Nouveau staircases, ornate railings, flowing curvilinear patterns, sinuous metalwork, organic botanical motifs, soft warm lighting, polished wood banisters, decorative ironwork, grand sweeping curves, luxurious textiles, velvety red carpeting, opulent chandeliers, richly ornamented walls, subtle gradient colors, shallow depth of field, 1/1 composition, realistic metallic reflections, ambient occlusion.