QuickCart 🛒

A functional, responsive shopping cart component built with Vanilla JavaScript and Modern CSS. This project demonstrates efficient state management and dynamic UI updates without external frameworks.

✨ Key Features

• Dynamic State Management: Uses JS Map objects for $O(1)$ performance in cart operations.
• Real-time Updates: Automatic subtotal calculation and DOM synchronization.
• Responsive UI: Optimized for desktop and mobile using CSS Grid and Flexbox.
• Minimalist Design: Clean, professional aesthetic with sticky summary positioning.

🛠️ Tech Stack

• Logic: JavaScript (ES6+)
• Styling: CSS3 (Flexbox/Grid/Transitions)
• Structure: Semantic HTML5

🚀 Quick Start

1. Clone the repository.
2. Open index.html in any modern browser.

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