Opulent neoclassical mansion, grand foyer, sweeping staircases, intricately carved wooden paneling, ornate moldings, gilded accents, crystal chandeliers, velvet drapes, marble floors, inlaid wood patterns, rich fabrics, luxurious upholstery, antique furnishings, elegant archways, high ceilings, large windows, soft warm lighting, realistic textures, ambient occlusion.