Responsive Product Slideshow for Online Stores

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Store Component - Example</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <link rel="stylesheet" href="style.css">
    <script src="script.js" defer></script>
</head>
<body>
    <div class="store-slider-container">
        <button class="slider-btn left-arrow" onclick="moveSlides(-1)">&#10094;</button>
        <button class="slider-btn right-arrow" onclick="moveSlides(1)">&#10095;</button>

        <div class="slides-wrapper">
            <div class="product-grid">
                <div class="product-card">
                    <a href="#">
                        <div class="product-img-box"><img src="/img/narava1.png" alt="Product 1"></div>
                        <div class="product-text-box">
                            <h3>DEMO 01</h3>
                            <p>Premium quality and modern design. Ideal for everyday use in your home.</p>
                        </div>
                        <div class="product-price-box">$19.99</div>
                    </a>
                </div>
                <div class="product-card">
                    <a href="#">
                        <div class="product-img-box"><img src="/img/narava2.png" alt="Product 2"></div>
                        <div class="product-text-box">
                            <h3>DEMO 02</h3>
                            <p>Elegant look and durable materials ensure a long lifespan for the product.</p>
                        </div>
                        <div class="product-price-box">$29.99</div>
                    </a>
                </div>
                <div class="product-card">
                    <a href="#">
                        <div class="product-img-box"><img src="/img/narava3.png" alt="Product 3"></div>
                        <div class="product-text-box">
                            <h3>DEMO 03</h3>
                            <p>Our best-selling product, perfectly combining functionality and aesthetics.</p>
                        </div>
                        <div class="product-price-box">$39.99</div>
                    </a>
                </div>
            </div>
    
            <div class="product-grid">
                <div class="product-card">
                    <a href="#">
                        <div class="product-img-box"><img src="/img/narava4.png" alt="Product 4"></div>
                        <div class="product-text-box">
                            <h3>DEMO 04</h3>
                            <p>Special edition for demanding users looking for something extra.</p>
                        </div>
                        <div class="product-price-box">$49.99</div>
                    </a>
                </div>
                <div class="product-card">
                    <a href="#">
                        <div class="product-img-box"><img src="/img/narava5.png" alt="Product 5"></div>
                        <div class="product-text-box">
                            <h3>DEMO 05</h3>
                            <p>Compact shape that fits into any space and offers exceptional comfort.</p>
                        </div>
                        <div class="product-price-box">$59.99</div>
                    </a>
                </div>
                <div class="product-card">
                    <a href="#">
                        <div class="product-img-box"><img src="/img/narava6.png" alt="Product 6"></div>
                        <div class="product-text-box">
                            <h3>DEMO 06</h3>
                            <p>Innovative solution for modern living and efficient work environments.</p>
                        </div>
                        <div class="product-price-box">$69.99</div>
                    </a>
                </div>
            </div>
    
            <div class="product-grid">
                <div class="product-card">
                    <a href="#">
                        <div class="product-img-box"><img src="/img/narava7.png" alt="Product 7"></div>
                        <div class="product-text-box">
                            <h3>DEMO 07</h3>
                            <p>Exclusive design, custom-made for the most demanding projects.</p>
                        </div>
                        <div class="product-price-box">$99.99</div>
                    </a>
                </div>
                <div class="product-card">
                    <a href="#">
                        <div class="product-img-box"><img src="/img/narava8.png" alt="Product 8"></div>
                        <div class="product-text-box">
                            <h3>DEMO 08</h3>
                            <p>Performance and style in one package. Best value for money and quality.</p>
                        </div>
                        <div class="product-price-box">$109.99</div>
                    </a>
                </div>
                <div class="product-card">
                    <a href="#">
                        <div class="product-img-box"><img src="/img/narava9.png" alt="Product 9"></div>
                        <div class="product-text-box">
                            <h3>DEMO 09</h3>
                            <p>The pinnacle of our selection. A product that knows no compromises.</p>
                        </div>
                        <div class="product-price-box">$689.99</div>
                    </a>
                </div>
            </div>
        </div>
    </div>
</body>
</html>

.store-slider-container {
    position: relative;
    max-width: 1200px;
    margin: 2rem auto;
    overflow: hidden;
    padding: 20px 60px;
}

.product-card {
    background: var(--card, #ffffff);
    border: 1px solid var(--border, #e0e0e0);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    color: var(--fg, #1e293b);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), 
                box-shadow 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), 
                border-color 0.3s ease;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent, #007bff);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.product-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-img-box {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--bg, #f8f9fa);
    border-bottom: 1px solid var(--border, #e0e0e0);
    position: relative;
}

.product-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.product-card:hover .product-img-box img {
    transform: scale(1.05);
}

.product-text-box {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-text-box h3 {
    margin: 0 0 10px 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--fg, #1e293b);
    letter-spacing: -0.02em;
}

.product-text-box p {
    font-size: 0.92rem;
    color: var(--fg, #555555);
    opacity: 0.85;
    line-height: 1.6;
    margin: 0 0 15px 0;
}

.product-price-box {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--accent, #007bff);
    margin-top: auto;
    padding: 15px 20px;
    background: rgba(0, 123, 255, 0.04);
    border-top: 1px solid var(--border, #e0e0e0);
    text-align: right;
    letter-spacing: -0.01em;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: var(--card, #ffffff);
    color: var(--fg, #1e293b);
    border: 1px solid var(--border, #e0e0e0);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 20;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: all 0.25s ease;
}

.slider-btn:hover:not(.is-disabled) {
    background: var(--accent, #007bff);
    color: #ffffff;
    border-color: var(--accent, #007bff);
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 6px 15px rgba(0, 123, 255, 0.3);
}

.slider-btn.left-arrow { left: 8px; }
.slider-btn.right-arrow { right: 8px; }

.slider-btn.is-disabled {
    background: var(--bg, #f5f5f5);
    color: #b5b5b5;
    border-color: var(--border, #e0e0e0);
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.6;
}

.product-grid {
    display: none;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    padding: 15px 0;
}

.product-grid.is-active {
    display: grid;
    animation: slideInAnimation 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInAnimation {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 992px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .store-slider-container { padding: 20px 50px; }
}

@media (max-width: 576px) {
    .product-grid { grid-template-columns: 1fr; gap: 20px; }
    .store-slider-container { padding: 10px 15px; }
    .slider-btn { display: none; }
}

document.addEventListener("DOMContentLoaded", function() {
    let currentSlide = 0;
    let touchstartX = 0;
    let touchendX = 0;
    
    const slides = document.querySelectorAll(".product-grid");
    const totalSlides = slides.length;
    
    const container = document.querySelector('.store-slider-container');

    if(!container || totalSlides === 0) return;

    container.addEventListener('touchstart', e => {
        touchstartX = e.changedTouches[0].screenX;
    }, {passive: true});
    
    container.addEventListener('touchend', e => {
        touchendX = e.changedTouches[0].screenX;
        handleGesture();
    }, {passive: true});
    
    function handleGesture() {
        if (touchendX < touchstartX - 50) {
            moveSlides(1); // Swipe left -> Next slide page
        }
        if (touchendX > touchstartX + 50) {
            moveSlides(-1); // Swipe right -> Previous slide page
        }
    }
    
    slides[0].classList.add("is-active");

    window.moveSlides = function(n) {
        let nextSlide = currentSlide + n;
        
        if (nextSlide >= 0 && nextSlide < totalSlides) {
            slides[currentSlide].classList.remove("is-active");
            currentSlide = nextSlide;
            slides[currentSlide].classList.add("is-active");
            updateButtonStates();
        }
    }

    function updateButtonStates() {
        const leftBtn = document.querySelector(".slider-btn.left-arrow");
        const rightBtn = document.querySelector(".slider-btn.right-arrow");
        
        if(leftBtn) leftBtn.classList.toggle("is-disabled", currentSlide === 0);
        if(rightBtn) rightBtn.classList.toggle("is-disabled", currentSlide === totalSlides - 1);
    }

    updateButtonStates();
});