- Add 8 template presets with one-click color scheme application
- Expand color palette from 4 to 8 (add background, surface, border, muted)
- Add auto-palette generation from accent color (dark/light detection)
- Add typography controls: font size scale, heading weight, line height, letter spacing
- Add density control (compact/comfortable/spacious) affecting section padding and card gaps
- Add border radius presets (sharp/subtle/rounded/pill)
- Add card styles (flat/raised/bordered/glass)
- Add section dividers (none/line/wave/angle/curve) rendered as SVG between sections
- Add image shape control (square/rounded/circle/blob)
- Add animation toggle and speed control
- Add per-section: background type (solid/gradient/image/video), custom animation, padding override, mobile visibility toggle
- All new columns have defaults — existing sites render unchanged until admin modifies settings
- CSS variables drive all theming; public layout emits full token set
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>