* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: Arial, sans-serif;
        }

        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background-color: #ffffff;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            transition: background-color 0.3s ease;
            z-index: 1000;
        }

        nav.scrolled {
            background-color: #006cb4e5;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: #333;
        }

        nav.scrolled .logo {
            color: #ffffff;
        }

        .nav-links {
            list-style: none;
            display: flex;
            gap: 20px;
        }

        .nav-links li a {
            text-decoration: none;
            color: #333;
            font-size: 1rem;
            padding: 8px 15px;
            border-radius: 5px;
            transition: all 0.3s ease;
        }

        nav.scrolled .nav-links li a {
            color: #ffffff;
        }

        .nav-links li a:hover {
            background-color: #3498db;
            color: #ffffff;
            transform: translateY(-2px);
            display: inline-block;
        }
        
        header {
            height: 100vh;
            background: url('images/bg.jfif') no-repeat center center/cover;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            text-align: center;
            margin-top: 60px;
        }

        header h1 {
            font-size: 3rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }

        section {
            padding: 60px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .products {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }

        .product-card {
            background: #0068be44;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            transition: transform 0.1s ease-in-out;
            text-align: center;
            padding: 15px;
        }

        .product-card:hover {
            transform: translateY(-5px);
        }

        .product-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 5px;
        }

        .product-card h3 {
            margin: 10px 0;
            font-size: 1.2rem;
        }

        .product-card p {
            color: #666;
            font-size: 0.9rem;
        }

        footer {
            background: #006cb4e5;
            color: #ffffff;
            text-align: center;
            padding: 20px;
            margin-top: 40px;
        }