* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
        }

        /* Header & Navigation */
        header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        nav {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            text-decoration: none;
            color: white;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            transition: color 0.3s;
            font-weight: 500;
        }

        .nav-links a:hover {
            color: #ffd700;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%232a5298" width="1200" height="600"/><path fill="%231e3c72" d="M0 300L50 283.3C100 266.7 200 233.3 300 216.7C400 200 500 200 600 216.7C700 233.3 800 266.7 900 283.3C1000 300 1100 300 1150 300L1200 300L1200 600L1150 600C1100 600 1000 600 900 600C800 600 700 600 600 600C500 600 400 600 300 600C200 600 100 600 50 600L0 600Z"/></svg>');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 8rem 2rem;
            text-align: center;
        }
        .hero-slider {
        position: absolute;
        top: 0; left: 0; width: 100%; height: 100%;
        z-index: 1;
    }
    .slider-image {
        position: absolute;
        top: 0; left: 0; width: 100%; height: 100%;
        object-fit: cover;
        opacity: 0;
        transition: opacity 1s;
    }
    .slider-image.active {
        opacity: 1;
    }
    .hero-content {
        position: relative;
        z-index: 2;
        text-align: center;
        color: #fff;
        background: rgba(0,0,0,0.4);
        padding: 40px 20px;
        border-radius: 10px;
    }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
        }

        .cta-button {
            display: inline-block;
            background: #ffd700;
            color: #1e3c72;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1rem;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 4px 15px rgba(255,215,0,0.3);
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(255,215,0,0.5);
        }

        /* Products Section */
        .products {
            padding: 4rem 2rem;
            background: #f8f9fa;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            color: #1e3c72;
            margin-bottom: 3rem;
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .product-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .product-image {
            width: 100%;
            height: 250px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: white;
        }

        .product-info {
            padding: 1.5rem;
        }

        .product-info h3 {
            color: #1e3c72;
            margin-bottom: 0.5rem;
            font-size: 1.5rem;
        }

        .product-info p {
            color: #666;
            margin-bottom: 1rem;
        }

        .product-info ul {
            list-style: none;
            padding: 0;
        }

        .product-info ul li {
            padding: 0.3rem 0;
            color: #555;
        }

        .product-info ul li:before {
            content: "✓ ";
            color: #2a5298;
            font-weight: bold;
        }

        /* Features Section */
        .features {
            padding: 4rem 2rem;
            background: white;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .feature-box {
            text-align: center;
            padding: 2rem;
            border-radius: 10px;
            background: #f8f9fa;
            transition: background 0.3s;
        }

        .feature-box:hover {
            background: #e9ecef;
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .feature-box h3 {
            color: #1e3c72;
            margin-bottom: 0.5rem;
        }

        /* Contact Section */
        .contact {
            padding: 4rem 2rem;
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            color: white;
        }

        .contact-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .contact-info {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .contact-item {
            padding: 1.5rem;
            background: rgba(255,255,255,0.1);
            border-radius: 10px;
            backdrop-filter: blur(10px);
        }

        .contact-item h3 {
            margin-bottom: 0.5rem;
            color: #ffd700;
        }

        /* Footer */
        footer {
            background: #1a1a1a;
            color: white;
            text-align: center;
            padding: 2rem;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }

            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #1e3c72;
                flex-direction: column;
                padding: 1rem;
                gap: 0;
                display: none;
            }

            .nav-links.active {
                display: flex;
            }

            .nav-links li {
                padding: 0.5rem 0;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .section-title {
                font-size: 2rem;
            }

            .product-grid {
                grid-template-columns: 1fr;
            }
        }