Opulent Art Nouveau interior, flowing curves, organic shapes, ornate metalwork, luxurious fabrics, velvet upholstery, carved wooden accents, intricate moldings, stained glass windows, sinuous lines, floral patterns, soft warm lighting, shallow depth of field, 1/1 composition, realistic textures, ambient occlusion, elegant sofas, ornate coffee tables, decorative vases, whimsical sculptures, nature-inspired motifs.