Title: Golden Ratio Study
Prompt: Build a responsive offline geometric study inspired by the golden ratio, using a divided ochre rectangle, delicate arcs, warm paper and large editorial serif typography. Include a button to rotate the composition. Inline CSS and JavaScript.
Description: A familiar mathematical proportion becomes a quiet abstract print.
Visual techniques: proportional CSS grid, quarter-circle arcs, warm pigment, fine borders, gentle rotation.
Interaction model: A button rotates the geometric composition.