Can I vibecode Webflow?

Build a comprehensive, web-based visual website builder and CMS platform that replicates the core functionality and professional-grade features of Webflow. This application should bridge the gap between visual design and code, allowing users to build responsive websites visually while generating clean, semantic HTML, CSS, and JavaScript in the background.

Key Features & Requirements:

1. Visual Development Canvas (The Designer):
- Implement a drag-and-drop interface where users can add elements (divs, headings, paragraphs, images, buttons, forms) to the canvas.
- Provide a style panel that gives deep control over CSS properties, adhering to the standard box model (margin, padding, borders), flexbox, and grid layouts.
- Include a navigator panel to view and reorder the DOM tree (element hierarchy).
- Allow users to export the generated W3C-compliant HTML/CSS/JS code.

2. Responsive Design Engine:
- Include breakpoint controls (Desktop, Tablet, Mobile Landscape, Mobile Portrait) to allow users to style elements differently across devices.
- Ensure styles cascade downwards from larger to smaller breakpoints automatically, mirroring CSS media query behavior.
- Provide a preview mode to test responsiveness directly in the browser.

3. Robust Content Management System (CMS):
- Create a CMS collections manager where users can define custom data schemas (e.g., Blog Posts, Team Members) with various field types (text, image, rich text, date, reference).
- Enable 'Dynamic Lists' to bind CMS data to visual templates on the canvas.
- Support 'Dynamic Pages' that auto-generate individual pages based on CMS items and a shared visual template.

4. Interactions and Animations:
- Build a visual animation timeline engine.
- Support element triggers (hover, click, mouse move over element) and page triggers (page load, page scroll).
- Allow users to visually define keyframes to animate CSS properties like transform (translate, scale, rotate), opacity, and background colors without writing third-party plugin code.

5. Advanced Settings & Custom Code:
- Allow users to add custom HTML/CSS/JS at the project, page, and element levels.
- Provide SEO controls for each page, including customizable meta titles, meta descriptions, and Open Graph image settings.
- Automatically generate an XML sitemap based on the project's pages and CMS items.

Architecture & Tech Stack:
- Frontend: Use React.js or Vue.js for a highly interactive, state-driven UI. Use Redux or Zustand for complex state management (managing the canvas DOM and styles).
- Backend: Node.js with Express or a framework like Next.js for server-side operations and API routes.
- Database: PostgreSQL or MongoDB to store user projects, DOM structures, CSS rules, and CMS collection data.
- Build system: Implement a compiler that translates the visual JSON representation of the site into static HTML/CSS files for export or hosting.

Please provide a structured monorepo setup including the frontend designer application and the backend API, with detailed documentation on how to run the development environment, manage state for the visual canvas, and extend the CMS schema.