modern blurred gradient poster in trendy 90s, 00s psychedelic style with geometric s. y2k aesthetic. poster

arch frame y2k blurred gradient unfocused lilac psychedelic vibe wavy holographic 00s 3d aesthetic geometric 90s graphic shape template retro poster background illustration vintage trendy style element vector design abstract technology banner art modern cover minimal mesh hologram fluid wallpaper flyer digital minimalist card concept post futuristic