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 electric pink magenta lime green and violet, 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 "INFINITE LOVE MUSIC FESTIVAL" mixing oversized black and gradient-colored letters, date and location info "2025 · JUNE 20–22" 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