Ornate Art Nouveau hall, grand staircase, curved lines, flowing patterns, organic forms, luxurious fabrics, velvet drapes, intricate wooden carvings, stained glass windows, ornamental mirrors, gilded accents, elegant chandeliers, marble floors, sinuous furniture shapes, whimsical metalwork, jewel-toned colors, warm golden lighting, shallow depth of field, 2/3 composition, symmetrical view, realistic textures, ambient occlusion.