Create a futuristic, abstract background that combines realism with subtle digit

Create a futuristic, abstract background that combines realism with subtle digital elements. The scene should depict a soft, gradient sky transitioning from deep blue to indigo, with faint, holographic grids or waveforms softly visible in the distance. Incorporate subtle, floating light particles or gentle lens flares that add a sense of depth and dimension, while keeping the overall mood calm and neutral. The color scheme should be cool and muted, focusing on blues, grays, and hints of soft white light, creating an elegant, futuristic atmosphere.