Prompt
3D cloth simulation render arranged in a vertical 2:3 composition. Black satin and metallic gold fabric intertwine and flow upwards through a dark void. Low-key, dramatic lighting catches the edges of the folds, creating sharp golden highlights against the deep black shadows. The high specular sheen mimics heavy, expensive satin. A large vertical area of negative space in the shadows is preserved for light-colored text. The aesthetic is mysterious, elegant, and perfect for high-end mobile backgrounds.