This is a complete, single-file SPA (Single Page Application) solution using **HTML5, Tailwind CSS, and Vanilla JavaScript**. It includes the cart logic, WhatsApp integration, dark mode toggle, and the specific branding you requested. You can save this code as index.html and it will be fully functional. ```html BIRYANI | Best Biryani in Daultala
Logo BIRYANI

BIRYANI

Best Biryani in Daultala — Taste the Tradition

Order Now

Our Delicious Menu

Your Order

Total: PKR 0
```