abstract background. fluid color gradient waves, with dynamic motion. neon colorful abstract of light waves.

smooth wallpaper motion line wavy shine black futuristic design abstract element night art science swirl effect speed curve flow background digital blue bright neon movement modern colours gradient curvy dynamic glow shape magic fluid creative template graphic energy shiny technology light flowing vibrant wave generative color waves colorful banner text font brand circle organ logo presentation diagram orange advertising yellow screenshot poster number cartoon lighting pattern background motion waves