This design presents a dark-themed payment checkout modal for an online service. The layout is clean and minimalistic, with easy-to-read typography and a clear hierarchy that guides the user through the payment process. It features a breakdown of costs, including the base plan, add-ons, and discounts, along with a subtotal, tax, and total amount. A section for entering a coupon code is provided above the cost summary. The use of contrasting colors highlights important actions such as applying a coupon and completing the payment.