Vertical Liquid Motion Video: Pulsing Colorful Organic Shapes Expanding on Dark Backdrop Video

AI Generated Image. Pulsing multicolored organic shapes expanding and contracting across dark gradient, showcasing layered depth and smooth fluid motion. Soft shadows and bold gradients creating sense of dimension and kinetic energy while timeline progressing. Ideal for mobile story backgrounds, social media reels, app intros, music visualizers, promotional loops, and event opener screens. Looping-friendly composition supporting seamless repetition and vertical aspect ratio optimized for smartphone playback. Useful for branding animations, title slates, livestream intro clips, product reveal transitions, and ambient backdrop for tech or entertainment projects. Color palette customizable for brand alignment and mood tuning.