Summary

Understood! Here you have the complete HTML and CSS code for a modern, responsive and optimized Landing Page for Inmobiliaria Madrileña (and other relevant names) with the focus on "IA Apps Store" and "IA" tools.

The design uses a minimalist neon color scheme (cyan, electric blue and white) to give the feeling of technology and modernity.

### Complete Code (HTML + CSS)

Save this code as a `.html` file (ex: `index.html`) and open it in your browser.

```html