Futuristic Neon Light Horizon

abstract futuristic light horizon, deep navy blue and violet gradient background with subtle grainy texture, a razor-thin glowing horizontal cyan-white light beam stretching across the lower third, soft magenta and purple bloom rising from the bottom left, cool electric blue glow on the right, atmospheric haze, minimal composition, cinematic sci-fi ambience, smooth digital art, luminous volumetric glow, high contrast dark upper space, no text, no watermark