"Professional web banner for 'Book Creator', elegant and artistic watercolor background with gold, blue, and white tones. Stylized open book logo transforming into artistic brush strokes and subtle sparkles. Modern serif font for 'Book Creator' title in gold and dark blue gradient. Includes refined artistic elements like ink splashes, parchment textures, subtle paint strokes. Creative, sophisticated, premium look, professional and inspiring, digital painting style, cinematic composition, high resolution, clean and polished.