Vibrant swirling nebula with soft atmospheric gradients

A nebula swirling with vibrant colors, specify the artistic movement or visual style reference, specify light source, direction, and quality, position horizon to control spatial scale, balance complexity with visual clarity, balance colors, shapes, and textures, ensure all elements belong to same visual universe, layer multiple elements for visual density, add micro-details that reward close inspection, adjust overall brightness level, define light direction (front, side, back, rim), adjust brightness of specific colors, adjust specific color ranges, remove atmospheric haze, apply noise reduction while preserving detail, apply cinematic color grading, add glow effect to edges, add motion blur to suggest speed, control alpha channels for see-through effects, physically based rendering, subsurface scattering, evoke creative motivation, suggest energy through diagonal lines and vibrant colors, in the style of Leonardo da Vinci, sfumato, Renaissance, soft transitions, atmospheric perspective