Warm cozy living room scene with stylish white designer radiator installed on light grey wall, happy young Russian couple in casual sweaters sitting on modern sofa in soft focus background, smiling naturally. Golden afternoon sunlight streaming through window. Large gold 5-star rating badge floating in upper-left corner. Radiator is hero element, sharp focus, occupying center-right 40% of composition. Warm color palette: cream, beige, soft whites, golden hour lighting. Trust signal: subtle "Производство СПб" badge. ТЕКСТ НА БАННЕРЕ (СТРОГО НА РУССКОМ): "Дизайн радиаторы от 11 000 ₽". White bold text with subtle shadow, centered bottom, high contrast against warm background.