Ornate Art Nouveau building, grand staircase, sweeping curves, organic forms, flowing lines, sinuous shapes, luxurious chandeliers, stained glass windows, intricate ironwork, marble flooring, ornamental plaster ceilings, lavish furnishings, velvet drapes, gilded accents, soft warm lighting, shallow depth of field, 2/3 composition, realistic textures, ambient occlusion, elegant floor lamps, sculptural decorations, nature-inspired motifs.