Scroll World Storytelling Turn source material into one connected journey. Scroll advances a visual world and the copy reveals the story in deliberate beats. The skill has exactly three production modes. Choose one primary mode before building: 1. Video scrub — generated or filmed footage, mapped to scroll. 2. Three.js world — a real-time 3D object, place, planet, or system. 3. HTML / data / type — semantic DOM, SVG charts, metrics, and kinetic typography. Do not mix modes by default. A focused renderer produces a clearer concept, smaller test surface, and more reliable fallback. Start with t…