Create an artistic and cinematic close-up shot of a flat paintbrush gracefully applying blue paint onto a pristine white wall surface. Use soft, ambient lighting to enhance the mood, ensuring the hues of blue paint and the white wall contrast beautifully. Emphasize details on the texture of the brush bristles and the smooth flow of paint. Opt for a cheerful and inviting atmosphere that evokes a sense of creativity and satisfaction. Incorporate a shallow depth of field to focus on the action of painting while softly blurring the background, Artistic close-up showcases a flat paintbrush applying blue paint onto a white wall. Soft lighting enhances the cheerful and inviting mood, focusing on the application technique