Finish Vibrant Next.js Landing Page

I already have a Next.js 14 repository set up with Tailwind CSS and shadcn/ui installed, but the page still feels half-built. The placeholder code renders, yet the header / navbar, main content blocks and footer are either missing or only sketched in... (Budget: $30 - $250 AUD, Jobs: CSS, HTML, JavaScript, Next.js, shadcn/ui, Tailwind CSS, Web Development, Website Design)