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HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Samsung Galaxy S24 Ultra - Experience the Future</title>
    <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap" rel="stylesheet">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Roboto', sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }
        header.scrolled {
            padding: 10px 0;
        }
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo img {
            height: 30px;
            transition: all 0.3s ease;
        }
        .nav-links {
            display: flex;
            gap: 30px;
        }
        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        .nav-links a:hover {
            color: #1428a0;
        }
        .hero {
            background: linear-gradient(135deg, #e7f0fd, #ffffff);
            padding: 120px 0 60px;
            overflow: hidden;
        }
        .hero-content {
            display: flex;
            align-items: center;
            gap: 60px;
        }
        .hero-text {
            flex: 1;
        }
        .hero-image {
            flex: 1;
            text-align: center;
        }
        .hero-image img {
            max-width: 100%;
            height: auto;
            filter: drop-shadow(0 10px 20px rgba(0,0,0,0.1));
            transition: transform 0.5s ease;
        }
        .hero-image img:hover {
            transform: scale(1.05) rotate(2deg);
        }
        .badge {
            display: inline-block;
            background-color: #1428a0;
            color: #fff;
            padding: 5px 15px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            color: #666;
        }
        .btn {
            display: inline-block;
            background-color: #1428a0;
            color: #fff;
            padding: 12px 30px;
            text-decoration: none;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn:hover {
            background-color: #0f1f7a;
            transform: translateY(-3px);
        }
        .btn-outline {
            background-color: transparent;
            border: 2px solid #1428a0;
            color: #1428a0;
        }
        .btn-outline:hover {
            background-color: #1428a0;
            color: #fff;
        }
        .features {
            padding: 100px 0;
            background-color: #fff;
        }
        .features h2 {
            text-align: center;
            margin-bottom: 60px;
            font-size: 2.5rem;
            color: #333;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 40px;
        }
        .feature-card {
            background-color: #f8f9fa;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.2);
        }
        .feature-content {
            padding: 30px;
        }
        .feature-content h3 {
            margin-bottom: 15px;
            font-size: 1.5rem;
            color: #1428a0;
        }
        .feature-content p {
            color: #666;
        }
        .purchase {
            background-color: #f8f9fa;
            padding: 100px 0;
        }
        .purchase-content {
            max-width: 600px;
            margin: 0 auto;
            text-align: center;
        }
        .purchase-card {
            background-color: #fff;
            border-radius: 15px;
            padding: 40px;
            margin-top: 40px;
            box-shadow: 0 15px 50px rgba(0,0,0,0.1);
        }
        .quantity-selector {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            margin-bottom: 30px;
        }
        .quantity-btn {
            background-color: #f0f0f0;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .quantity-btn:hover {
            background-color: #1428a0;
            color: #fff;
        }
        #quantity {
            font-size: 1.2rem;
            width: 60px;
            text-align: center;
            border: 2px solid #f0f0f0;
            border-radius: 25px;
            padding: 5px;
        }
        .purchase-info {
            margin-bottom: 30px;
        }
        .purchase-info p {
            margin-bottom: 10px;
            color: #666;
        }
        .cart-icon {
            position: relative;
            cursor: pointer;
        }
        .cart-count {
            position: absolute;
            top: -8px;
            right: -8px;
            background-color: #1428a0;
            color: #fff;
            font-size: 0.8rem;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .cart-modal {
            display: none;
            position: fixed;
            top: 80px;
            right: 20px;
            background-color: #fff;
            border-radius: 15px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
            padding: 30px;
            width: 350px;
            max-width: 90vw;
            z-index: 1000;
        }
        .cart-modal h3 {
            margin-bottom: 20px;
            color: #1428a0;
        }
        .cart-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
            padding-bottom: 20px;
            border-bottom: 1px solid #f0f0f0;
        }
        .cart-item img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 10px;
        }
        .cart-item-info h4 {
            margin-bottom: 5px;
            color: #333;
        }
        .cart-item-info p {
            color: #666;
        }
        @media (max-width: 768px) {
            .hero-content {
                flex-direction: column;
            }
            .hero-image {
                order: -1;
            }
            h1 {
                font-size: 2rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .nav-links {
                display: none;
            }
        }
    </style>
</head>
<body>
    <header id="header">
        <nav class="container">
            <div class="logo">
                <img src="https://upload.wikimedia.org/wikipedia/commons/9/91/Samsung_Galaxy_Logo.png" alt="Samsung Logo">
            </div>
            <div class="nav-links">
                <a href="#features">Features</a>
                <a href="#purchase">Buy Now</a>
                <div class="cart-icon" id="cartIcon">
                    ????
                    <span class="cart-count" id="cartCount">0</span>
                </div>
            </div>
        </nav>
    </header>

<section class="hero">
        <div class="container">
            <div class="hero-content">
                <div class="hero-text">
                    <span class="badge">New</span>
                    <h1>Samsung Galaxy S24 Ultra</h1>
                    <p>Experience the future of mobile technology with AI-powered innovation</p>
                    <div>
                        <a href="#features" class="btn">Explore Features</a>
                        <a href="#" class="btn btn-outline" style="margin-left: 15px;">View Specs</a>
                    </div>
                </div>
                <div class="hero-image">
                    <img src="https://images.samsung.com/is/image/samsung/p6pim/co/2401/gallery/co-galaxy-s24-s928-sm-s928bztultc-539325480?$650_519_PNG$" alt="Samsung Galaxy S24 Ultra">
                </div>
            </div>
        </div>
    </section>

<section id="features" class="features">
        <div class="container">
            <h2>Key Features</h2>
            <div class="feature-grid">
                <div class="feature-card">
                    <div class="feature-content">
                        <h3>AI-Powered Camera</h3>
                        <p>Capture stunning photos and videos with advanced AI enhancements</p>
                    </div>
                </div>
                <div class="feature-card">
                    <div class="feature-content">
                        <h3>S Pen Included</h3>
                        <p>Write, draw, and navigate with precision using the built-in S Pen</p>
                    </div>
                </div>
                <div class="feature-card">
                    <div class="feature-content">
                        <h3>Powerful Performance</h3>
                        <p>Experience lightning-fast speeds with the latest processor</p>
                    </div>
                </div>
                <div class="feature-card">
                    <div class="feature-content">
                        <h3>All-Day Battery</h3>
                        <p>Stay connected longer with intelligent battery management</p>
                    </div>
                </div>
                <div class="feature-card">
                    <div class="feature-content">
                        <h3>5G Connectivity</h3>
                        <p>Enjoy ultra-fast download and streaming speeds</p>
                    </div>
                </div>
                <div class="feature-card">
                    <div class="feature-content">
                        <h3>Durable Design</h3>
                        <p>Protected by Corning® Gorilla® Glass Victus® 2</p>
                    </div>
                </div>
            </div>
        </div>
    </section>

<section id="purchase" class="purchase">
        <div class="container">
            <div class="purchase-content">
                <h2>Get Your Galaxy S24 Ultra</h2>
                <p>Starting from $1,299 or $54.12/mo for 24 mo</p>
                <div class="purchase-card">
                    <div class="quantity-selector">
                        <button class="quantity-btn" id="decreaseQuantity">-</button>
                        <input type="number" id="quantity" value="1" min="1" max="10">
                        <button class="quantity-btn" id="increaseQuantity">+</button>
                    </div>
                    <div class="purchase-info">
                        <p>✓ Free shipping</p>
                        <p>✓ 24-month financing available</p>
                        <p>✓ Samsung official warranty</p>
                    </div>
                    <a href="#" class="btn" id="addToCart">Add to Cart</a>
                </div>
            </div>
        </div>
    </section>

<div class="cart-modal" id="cartModal">
        <h3>Shopping Cart</h3>
        <div id="cartItems"></div>
        <a href="#" class="btn" id="checkout">Proceed to Checkout</a>
    </div>

// Smooth scrolling
        document.querySelectorAll('a[href^="#"]').forEach(anchor => {
            anchor.addEventListener('click', function (e) {
                e.preventDefault();
                document.querySelector(this.getAttribute('href')).scrollIntoView({
                    behavior: 'smooth'
                });
            });
        });

// Cart functionality
        let cartCount = 0;
        const cartCountElement = document.getElementById('cartCount');
        const cartModal = document.getElementById('cartModal');
        const cartItems = document.getElementById('cartItems');
        const addToCartBtn = document.getElementById('addToCart');
        const quantityInput = document.getElementById('quantity');
        const decreaseQuantityBtn = document.getElementById('decreaseQuantity');
        const increaseQuantityBtn = document.getElementById('increaseQuantity');
        const cartIcon = document.getElementById('cartIcon');

function updateCartCount() {
            cartCountElement.textContent = cartCount;
        }

function updateCartModal() {
            cartItems.innerHTML = `
                <div class="cart-item">
                    <img src="https://images.samsung.com/is/image/samsung/p6pim/co/2401/gallery/co-galaxy-s24-s928-sm-s928bztultc-539325480?$650_519_PNG$" alt="Galaxy S24 Ultra">
                    <div class="cart-item-info">
                        <h4>Samsung Galaxy S24 Ultra</h4>
                        <p>Quantity: ${cartCount}</p>
                    </div>
                </div>
            `;
        }

addToCartBtn.addEventListener('click', (e) => {
            e.preventDefault();
            const quantity = parseInt(quantityInput.value);
            cartCount += quantity;
            updateCartCount();
            updateCartModal();
            cartModal.style.display = 'block';
        });

cartIcon.addEventListener('click', (e) => {
            e.preventDefault();
            cartModal.style.display = cartModal.style.display === 'none' ? 'block' : 'none';
        });

decreaseQuantityBtn.addEventListener('click', () => {
            if (quantityInput.value > 1) {
                quantityInput.value = parseInt(quantityInput.value) - 1;
            }
        });

increaseQuantityBtn.addEventListener('click', () => {
            if (quantityInput.value < 10) {
                quantityInput.value = parseInt(quantityInput.value) + 1;
            }
        });
    </script>
</body>
</html>

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