I think that use title to banner for example your font already have very thin, color, etc… you can see inspirations in themeforest approved.
If you are new into design and you want to learn and improve your skills you need to start with the basic principles like:
- font pairings
- color theory
- white space theory
- also you need to understand trends in modern design
Without learning all of these it is nearly impossible to create premium products.