The best way of creating a landing page is making research and look throught 100-1000 great landing examples that are already work and look pretty good.

Just spend few day here at this curated and inspiration platforms:

1. SinteInspire

2. Land-Book

3. Lapa Ninja

4. GodlyWebsites

5. SaaSlandingPage

After that you will understand what type/structure/design/features/texts you need for your own product.

Good luck!