Premium Subscription Landing Page Build

I need a single, long-form landing page that feels professional and corporate, built specifically to turn paid-traffic visitors into monthly subscribers. The primary goal is e-commerce sales, and every element on the page should point to one clear call-to-action: “Sign up for a subscription”... (Budget: $30 - $250 AUD, Jobs: HTML, PHP, SEO, Stripe, Web Design, Web Development, Website Design, WordPress)