Tilda Checkout Setup and Mollie Integration

One-Page Checkout Setup on Tilda + Mollie Integration (Orders API / Klarna) + JS Slider Order Description: Hello! I need to set up a one-page checkout on an existing Tilda website (on our subdomain). What needs to be done: Set up a simple form/cart on Tilda (Name, Phone, Email, detailed shipping address to Italy). Implement a ready-made JS script (provided in the specifications) for an interactive price slider. When dragging the slider, the amount should dynamically update and be transferred to the native Tilda cart. Connect the Mollie payment system via the built-in Tilda module. Critically important: switch the integration to Orders API mode to transfer detailed order data (name, quantity, m², VAT). This is necessary so that Klarna installment payment options are activated on the payment screen for Italian customers. Design a page footer based on the provided legal data (in Italian) to pass the Klarna audit. A detailed, step-by-step Technical Specification with all the details, field structure, and ready-made JS code for the slider is attached as a PDF file to this order. Requirements: Experience with Tilda (shopping cart setup, custom HTML/JS T123 blocks). Understanding of payment gateways (experience with Mollie/Stripe is a huge plus). Prompt delivery. Work is tested in Mollie Test Mode.