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

        :root {
            --primary-color: #1e3a8a;
            --secondary-color: #3b82f6;
            --accent-color: #f59e0b;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --bg-light: #f3f4f6;
            --white: #ffffff;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            overflow-x: hidden;
        }

        /* Header */
        header {
            background: var(--white);
            box-shadow: var(--shadow);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }
         
        nav {
            max-width: 1200px;
            margin: 0 auto;
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
 

        .nav-menu {
            display: flex;
        }

        .nav-links {
            list-style: none;
            display: flex;
            gap: 25px;
        }

        .nav-links li a {
            text-decoration: none;
            color: #262527;
            font-size: 1rem;
            transition: color 0.3s ease;
        }

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

        /* Hamburger Menu */
        .nav-toggle {
            display: none;
            cursor: pointer;
        }

        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: #262527;
            display: block;
        }
        .d-none{ display: none;}

        /* Characteristics Section */
        .characteristics {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 25px;
            margin-top: 40px;
        }

        .characteristic-card {
            background-color: white;
            border-radius: 8px;
            padding: 25px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }

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

        .characteristic-card h3 {
            color: #003366;
            margin-bottom: 15px;
            font-size: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .characteristic-card h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: #FFD700;
        }

        .characteristic-icon {
            font-size: 40px;
            color: #003366;
            margin-bottom: 15px;
            text-align: center;
        }

        .d-f{
            display: flex;
            align-items: center;
            justify-content: center; 
            flex-direction:row
        }

        .d-f-w{   
            width: 50%            
        }
        .d-f-w img {
        max-width: 100%; /* Ensures the image never exceeds its parent container's width */
        height: auto;    /* Maintains the image's aspect ratio */
        display: block;  /* Removes extra space below the image, especially in inline contexts */
        }
        .d-f-sp{margin-right: 2rem;}   
        
        .d-f-w4{   
            width: 25%            
        }
        .d-f-w4 img {
        max-width: 100%; /* Ensures the image never exceeds its parent container's width */
        height: auto;    /* Maintains the image's aspect ratio */
        display: block;  /* Removes extra space below the image, especially in inline contexts */
        }
        .d-f-sp4 {margin-right: 2rem;} 
        
        .img {
        max-width: 100%;
        height: auto;
        cursor: zoom-in; /* show zoom cursor */
        transition: transform 0.3s ease;
        }

        /* Zoomed state */
        .img.zoomed {
        transform: scale(2);   /* zoom level */
        cursor: zoom-out;      /* cursor changes */
        z-index: 999;
        position: relative;
        }
        /* Responsive Styles */
        @media (max-width: 768px) {
             .d-f{
                display: flex;
                align-items: center;
                justify-content: center; 
                flex-direction: column;
            }

            .nav-menu {
                position: absolute;
                top: 70px;
                right: 0;
                width: 200px;
                background-color: #004080;
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
                display: none;
            }

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

            .nav-links {
                flex-direction: column;
                width: 100%;
            }

            .nav-links li {
                width: 100%;
                margin-bottom: 15px;
            }

            .nav-toggle {
                display: block;
            }
        }
 

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logo i {
            color: var(--accent-color);
        }
 
        /* Responsive Styles */
        
        /* Hero Slider */

/* Content Styling */







   /**/     
        .slider-container {
            position: relative;
            height: 100vh;
            overflow: hidden;
            margin-top: 70px;
        }

        .slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .slide.active {
            opacity: 1;
        }

        .slide-content {
            text-align: center;
            color: var(--white);
            max-width: 800px;
            padding: 0 20px;
        }

        .slide h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            animation: slideInUp 1s ease-out;
        }

        .slide p {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            animation: slideInUp 1s ease-out 0.2s both;
        }

        .btn {
            display: inline-block;
            padding: 1rem 2rem;
            background: var(--accent-color);
            color: var(--white);
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            transition: all 0.3s ease;
            animation: slideInUp 1s ease-out 0.4s both;
        }

        .btn:hover {
            background: #d97706;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        .slide-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            z-index: -1;
        }

        .slide-bg::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.8), rgba(59, 130, 246, 0.8));
        }

        .slider-nav {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
            z-index: 10;
        }

        .slider-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .slider-dot.active {
            background: var(--white);
            transform: scale(1.2);
        }

        /* Product Section */
        .products {
            padding: 5rem 5%;
            background: var(--bg-light);
        }

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

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 3rem;
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent-color);
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .product-card {
            background: var(--white);
            padding: 2rem;
            border-radius: 10px;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        .product-icon {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }

        .product-card h3 {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }

        .product-card p {
            color: var(--text-light);
            line-height: 1.8;
        }

        /* Why Choose Us */
        .why-choose {
            padding: 5rem 5%;
            background: var(--white);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
            margin-top: 3rem;
        }

        .feature {
            display: flex;
            align-items: flex-start;
            gap: 1.5rem;
        }

        .feature-icon {
            font-size: 2.5rem;
            color: var(--accent-color);
            flex-shrink: 0;
        }

        .feature-content h3 {
            font-size: 1.3rem;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .feature-content p {
            color: var(--text-light);
        }

        /* Testimonials */
        .testimonials {
            padding: 5rem 5%;
            background: var(--bg-light);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .testimonial {
            background: var(--white);
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            position: relative;
        }

        .testimonial::before {
            content: '"';
            position: absolute;
            top: 10px;
            left: 20px;
            font-size: 4rem;
            color: var(--accent-color);
            opacity: 0.2;
        }

        .testimonial-content {
            margin-bottom: 1.5rem;
            font-style: italic;
            color: var(--text-dark);
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--secondary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: bold;
        }

        .author-info h4 {
            color: var(--primary-color);
            margin-bottom: 0.2rem;
        }

        .author-info p {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* Footer */
        footer {
            background: var(--primary-color);
            color: var(--white);
            padding: 3rem 5% 1rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h3 {
            margin-bottom: 1rem;
            color: var(--accent-color);
        }

        .footer-section p, .footer-section a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            line-height: 1.8;
            transition: color 0.3s ease;
        }

        .footer-section a:hover {
            color: var(--accent-color);
        }

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        .social-links a:hover {
            background: var(--accent-color);
            transform: translateY(-3px);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.6);
        }

        /* Animations */
        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive */
        @media (max-width: 768px) {
        .nav-links li a {
            
            color: #f3f3f3;
             
        }

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

            .slide h1 {
                font-size: 2.5rem;
            }

            .slide p {
                font-size: 1.2rem;
            }

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

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