Title: Aerogram — A Small Leap of Faith
Exact creative prompt: Create an airy paper-airplane trajectory toy on cyan graph paper with bold italic sans-serif typography. Draw an original folded messenger from CSS polygons, a dashed ballistic flight arc and understated ground distance marks. Provide launch-angle and speed sliders, calculate idealized projectile range with g = 9.81 m/s², and animate the plane along the computed trajectory when launched. Lock settings during flight and give a static landed state for reduced motion. Clearly disclose that the model ignores lift and drag. Self-contained responsive offline HTML5 with inline CSS/JS.
Description: A playful flight laboratory where a paper messenger makes the relationship between launch angle, speed and idealized range visible.
Major visual techniques: Cyan drafting grid; folded CSS plane; dynamic SVG trajectory; tangent-oriented animation; italic display typography; technical measurement dock.
Intended interaction model: Set angle and speed, inspect predicted range and launch the plane through the corresponding arc.