Gradient Music Festival Poster

A stunning music festival vertical social media poster with a clean white background, at the center a large beautifully rendered 3D acoustic guitar shape filled with a flowing liquid gradient in colors, the guitar form slightly abstracted and organic with a glossy smooth inflated aesthetic, surrounded by floating gradient music notes hearts and sparkle diamond symbols in matching fluorescent colors, bold large serif display typography at the top reading "festival_name" mixing oversized black and gradient-colored letters, date and location info "event_details" in clean minimal sans-serif below, tiny decorative star and spark motifs scattered across the white background, overall composition elegant yet high-energy, premium event poster quality, 9:16 vertical ratio