Prompt tao anh chat luong cao. **Chi tiet cau lenh:** Create four connected premium realistic editorial images for OBSIDIAN coffee. Dark cinematic grown-up vibe like high-end sportswear or coffee campaigns. Dramatic but grounded studio lighting, realistic textures, clean composition. Image 1: Hero poster with ‘OBSIDIAN’ and premium coffee display with steam and beans. Image 2: Product lineup - bags, cans, capsules. Image 3: Packaging close-up + tagline ‘Coffee for grown-ups who chase flavor.’ Image 4: Lifestyle steaming cup shot. Highly polished, sharp, realistic materials, consistent branding, no surreal effects