Opulent Art Nouveau interior, sinuous lines, organic shapes, flowing curves, intricate ornaments, luxurious fabrics, velvet drapes, ornate mirrors, gilded frames, marble floors, inlaid wood paneling, stained glass windows, vibrant florals, natural materials, handcrafted furniture, curvaceous sofas, ornamental armchairs, delicate coffee tables, lavish chandeliers, warm golden lighting, shallow depth of field, 1/2 composition, realistic textures, ambient occlusion.