abstract background: dynamic, glowing light effect in shades of blue and purple, with beams of light radiating outward

wavy wave wallpaper vector threedimensional texture template technology style space smooth shiny shape shades radiating purple presentation poster pattern outward motion modern line light graphic gradient glowing glow glistering geometric futuristic flowing flow flier energy element elegant effect dynamic design dark curve creative cover concept colours business blue beams banner background backdrop art abstract