Design a summer party poster.

The summer party poster should be eye-catching and vibrant, with bright colors and playful imagery that captures the spirit of the season. It should convey a sense of fun and excitement, while also providing essential information about the event, such as the date, time, and location. The design should be clean and easy to read, with clear typography that stands out against the background. Whether it's a beach party, backyard BBQ, or poolside gathering, the poster should inspire people to come out and celebrate the joys of summer.