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Block-Based Editor
Heroes, cards, columns, callouts, image grids, and more. Drag blocks in, fill them out, rearrange. The editing model behind every modern site builder.
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AI Content Generation
Click "Generate with AI" on any block. Describe what you want — "a welcome hero for an intro biology course" — and Claude fills the block in.
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Design System
Consistent colors, fonts, spacing, and shadows across every page. Set your theme once, every page looks polished.
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Mobile Preview
Live mobile preview as you edit. See exactly how your page looks on a phone before publishing.
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Publish to Canvas
One-click publish takes your design, converts it to clean responsive HTML, and writes it to a Canvas page via the API.
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Layout Templates
Pre-built page templates for syllabi, course homes, module intros, and more. Start from a template, customize the content.
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Saved Designs
Every design saves as you work. Build once, edit later, republish any time.
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Re-edit Published Pages
Pages you publish stay editable in Holon Design. Make changes, click republish, Canvas updates instantly.
