Modernize Power BI Reports

I have six existing Power BI reports, each with roughly five tabs, that now need a full visual refresh. Every page should adopt a clean, modern layout that looks polished inside a Power BI App and makes navigation intuitive for business users... (Budget: $30 - $250 USD, Jobs: Business Intelligence, Data Analysis, Data Management, Data Modeling, Data Visualization, JSON, Power BI, Visual Design)