Panoramic cinematic artwork

Panoramic cinematic artwork divided diagonally, left side radiant golden goddess realm, glowing feminine light, soft divine forms, crescent moons, flowing robes, roses, radiant sun motifs, delicate golden architecture, warm ethereal atmosphere, right side shadow realm, dark feminine imagery, ravens, serpents, skeletal trees, swirling smoke, faint spirits and demon silhouettes, obsidian temples glowing with deep crimson and violet, mysterious and powerful, seamless diagonal transition blending light gold into dark shadow, mythic, elegant, designed as a YouTube banner, no text