Elegant Art Nouveau building, ornate ironwork, flowing organic lines, sinuous curves, stained glass windows, vibrant colorful mosaics, natural light pouring in, soft warm glow, intricate botanical patterns, whiplash motifs, luxurious velvet drapes, polished wooden floors, grand staircase, ornate chandeliers, subtle shadows, 1/1 composition, shallow depth of field, warm color palette, realistic textures, ambient occlusion.