Real estate landing (demo)

Adaptive landing page for selling apartments in a new building.
What has been done:

Fully responsive design (mobile, tablets, desktop)
Clean HTML5 + CSS3 layout (Flexbox, Grid)
Mobile burger menu (JS)
Application form for apartment viewing
Sections: hero with CTA, advantages, planning, gallery, contacts
Optimized photos, fast loading, modern design

Creation time: ~2.5–3 hours
Technologies: HTML, CSS, JavaScript (without frameworks)
This is a demo project for a portfolio to showcase skills in creating landing pages for real estate.