Vibrant festival flyer, colorful balloons, confetti, festive atmosphere, summer evening, outdoor stage, bright lights, crowd of people dancing, food stalls, traditional costumes, cultural instruments, lively music, joyful laughter, warm sunset, soft focus, shallow depth of field, bold typography, creative composition, 3/4 rule, golden ratio, beautiful detailed textures, high contrast, vivid colors, flyer design, flat lay, modern style. Please note that I've added various elements to make the prompt more specific and detailed, while also following the rules you provided. Let me know if you need any adjustments!