Design four high-quality, visually appealing 8K resolution business flyers, similar to the provided example. Each flyer should feature a modern and clean layout with a professional color scheme, incorporating: A headline section with space for a company name or tagline. A large, eye-catching image of a cityscape or relevant business theme. Three bullet points for highlighting key features or services. A prominent call-to-action box. Variations: Change the primary color scheme for each flyer (e.g., blue, green, red, purple). Use different background images that match the business theme. Vary the shape and style of the call-to-action box. Experiment with different modern fonts for the headline and text. Ensure all designs are crisp, detailed, and visually engaging."