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

    :root {
        --primary: #003366;
        --primary-light: #004b8f;
        --accent: #ff6b00;
        --light: #f8f9fa;
        --dark: #212529;
        --gray: #6c757d;
        --white: #ffffff;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        background: var(--light);
        color: var(--dark);
        line-height: 1.6;
        overflow-x: hidden;
    }

    img {
        max-width: 100%;
        height: auto;
    }

    a {
        text-decoration: none;
        color: var(--primary);
        transition: all 0.3s ease;
    }

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

    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 15px;
    }

    .btn {
        display: inline-block;
        padding: 12px 30px;
        background: var(--primary);
        color: var(--white);
        border-radius: 50px;
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 1px;
        transition: all 0.3s ease;
        border: none;
        cursor: pointer;
    }

    .btn:hover {
        background: var(--accent);
        color: var(--white);
        transform: translateY(-3px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

    .btn-outline {
        background: transparent;
        border: 2px solid var(--primary);
        color: var(--primary);
    }

    .btn-outline:hover {
        background: var(--primary);
        color: var(--white);
    }

    .section-padding {
        padding: 80px 0;
    }

    .section-title {
        text-align: center;
        margin-bottom: 60px;
    }

    .section-title h2 {
        font-size: 2.5rem;
        color: var(--primary);
        position: relative;
        display: inline-block;
        margin-bottom: 20px;
    }

    .section-title h2::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background: var(--accent);
        border-radius: 2px;
    }

    .section-title p {
        color: var(--gray);
        max-width: 700px;
        margin: 0 auto;
    }

    /* Header & Navigation */
    header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        z-index: 100;
        transition: all 0.3s ease;
    }

    .header-scrolled {
        background: var(--white);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 0;
    }

    .logo {
        display: flex;
        align-items: center;
    }

    .logo img {
        height: 45px;
        margin-right: 10px;
    }

    .logo h1 {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--primary);
    }

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

    .nav-links li {
        margin: 0 15px;
    }

    .nav-links a {
        color: var(--dark);
        font-weight: 500;
        position: relative;
    }

    .nav-links a::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--accent);
        transition: width 0.3s ease;
    }

    .nav-links a:hover::after,
    .nav-links a.active::after {
        width: 100%;
    }

    .menu-toggle {
        display: none;
        cursor: pointer;
        font-size: 1.5rem;
        color: var(--primary);
    }

    /* Hero Section */
    .hero {
        height: 100vh;
        background: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 51, 102, 0.9)), url('/api/placeholder/1920/1080') center/cover no-repeat;
        display: flex;
        align-items: center;
        text-align: center;
        margin-top: 0;
        color: var(--white);
        position: relative;
        overflow: hidden;
    }

    .hero-content {
        width: 100%;
        max-width: 800px;
        margin: 0 auto;
        animation: fadeInUp 1s ease forwards;
    }

    .hero h1 {
        font-size: 3.5rem;
        margin-bottom: 20px;
        font-weight: 700;
    }

    .hero p {
        font-size: 1.2rem;
        margin-bottom: 30px;
        opacity: 0.9;
    }

    .hero-btns {
        display: flex;
        justify-content: center;
        gap: 20px;
    }

    /* About Section */
    .about {
        background: var(--white);
    }

    .about-content {
        display: flex;
        align-items: center;
        gap: 50px;
    }

    .about-img {
        flex: 1;
        position: relative;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    }

    .about-img img {
        border-radius: 10px;
        transition: transform 0.5s ease;
    }

    .about-img:hover img {
        transform: scale(1.05);
    }

    .about-text {
        flex: 1;
    }

    .about-text h2 {
        color: var(--primary);
        margin-bottom: 20px;
    }

    .about-text p {
        margin-bottom: 20px;
        color: var(--gray);
    }

    .stats {
        display: flex;
        justify-content: space-between;
        margin-top: 40px;
    }

    .stat-item {
        text-align: center;
    }

    .stat-number {
        font-size: 2.5rem;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 5px;
    }

    .stat-label {
        color: var(--gray);
        font-size: 0.9rem;
    }

    /* Products Section */
    .products {
        background: #f8f9fa;
    }

    .products-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
    }

    .product-card {
        background: var(--white);
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
    }

    .product-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    }

    .product-img {
        height: 200px;
        overflow: hidden;
        position: relative;
    }

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

    .product-card:hover .product-img img {
        transform: scale(1.1);
    }

    .product-content {
        padding: 25px;
    }

    .product-content h3 {
        color: var(--primary);
        margin-bottom: 15px;
        font-size: 1.3rem;
    }

    .product-content p {
        color: var(--gray);
        margin-bottom: 20px;
    }

    /* Services Section */
    .services {
        background: var(--white);
    }

    .services-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }

    .service-card {
        background: var(--light);
        padding: 40px 30px;
        border-radius: 15px;
        text-align: center;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        transition: all 0.3s ease;
    }

    .service-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    }

    .service-icon {
        font-size: 2.5rem;
        color: var(--accent);
        margin-bottom: 20px;
    }

    .service-card h3 {
        color: var(--primary);
        margin-bottom: 15px;
    }

    .service-card p {
        color: var(--gray);
    }

    /* CTA Section */
    .cta {
        background: linear-gradient(rgba(0, 51, 102, 0.9), rgba(0, 51, 102, 0.9)), url('/api/placeholder/1920/500') center/cover fixed;
        color: var(--white);
        text-align: center;
        padding: 100px 0;
    }

    .cta h2 {
        font-size: 2.5rem;
        margin-bottom: 20px;
    }

    .cta p {
        max-width: 700px;
        margin: 0 auto 30px;
        opacity: 0.9;
    }

    /* Contact Section */
    .contact {
        background: var(--white);
    }

    .contact-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 40px;
    }

    .contact-info {
        display: flex;
        flex-direction: column;
        gap: 30px;
    }

    .contact-item {
        display: flex;
        align-items: flex-start;
        gap: 15px;
    }

    .contact-icon {
        font-size: 1.5rem;
        color: var(--accent);
        margin-top: 5px;
    }

    .contact-details h3 {
        color: var(--primary);
        margin-bottom: 10px;
        font-size: 1.2rem;
    }

    .contact-details p {
        color: var(--gray);
        line-height: 1.8;
    }

    .contact-form {
        background: var(--light);
        padding: 40px;
        border-radius: 15px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    }

    .form-group {
        margin-bottom: 20px;
    }

    .form-control {
        width: 100%;
        padding: 15px;
        border: none;
        border-radius: 5px;
        background: var(--white);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        font-size: 1rem;
        transition: all 0.3s ease;
    }

    .form-control:focus {
        outline: none;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }

    textarea.form-control {
        min-height: 150px;
        resize: vertical;
    }

    /* Footer */
    footer {
        background: var(--primary);
        color: var(--white);
        padding: 80px 0 30px;
    }

    .footer-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 40px;
        margin-bottom: 50px;
    }

    .footer-column h3 {
        font-size: 1.3rem;
        margin-bottom: 25px;
        position: relative;
        padding-bottom: 10px;
    }

    .footer-column h3::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 50px;
        height: 2px;
        background: var(--accent);
    }

    .footer-links {
        list-style: none;
    }

    .footer-links li {
        margin-bottom: 15px;
    }

    .footer-links a {
        color: rgba(255, 255, 255, 0.8);
        transition: all 0.3s ease;
    }

    .footer-links a:hover {
        color: var(--accent);
        padding-left: 5px;
    }

    .social-links {
        display: flex;
        gap: 15px;
        margin-top: 20px;
    }

    .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%;
        color: var(--white);
        transition: all 0.3s ease;
    }

    .social-links a:hover {
        background: var(--accent);
        transform: translateY(-5px);
    }

    .footer-bottom {
        text-align: center;
        padding-top: 30px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-bottom p {
        color: rgba(255, 255, 255, 0.7);
        font-size: 0.9rem;
    }

    /* Back to Top Button */
    .back-to-top {
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 50px;
        height: 50px;
        background: var(--accent);
        color: var(--white);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        cursor: pointer;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 99;
    }

    .back-to-top.active {
        opacity: 1;
        visibility: visible;
    }

    .back-to-top:hover {
        background: var(--primary);
        transform: translateY(-5px);
    }

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

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
        }

        to {
            opacity: 1;
        }
    }

    @keyframes slideInLeft {
        from {
            opacity: 0;
            transform: translateX(-50px);
        }

        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    @keyframes slideInRight {
        from {
            opacity: 0;
            transform: translateX(50px);
        }

        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    .animate {
        opacity: 0;
    }

    .animate.fadeInUp {
        animation: fadeInUp 1s ease forwards;
    }

    .animate.fadeIn {
        animation: fadeIn 1s ease forwards;
    }

    .animate.slideInLeft {
        animation: slideInLeft 1s ease forwards;
    }

    .animate.slideInRight {
        animation: slideInRight 1s ease forwards;
    }

    /* Media Queries */
    @media (max-width: 992px) {
        .hero h1 {
            font-size: 2.8rem;
        }

        .about-content {
            flex-direction: column;
        }

        .about-img,
        .about-text {
            flex: 1 1 100%;
        }

        .stats {
            flex-wrap: wrap;
            gap: 20px;
        }

        .stat-item {
            flex: 1 1 40%;
        }
    }

    @media (max-width: 768px) {
        .navbar {
            padding: 15px 0;
        }

        .menu-toggle {
            display: block;
        }

        .nav-links {
            position: fixed;
            top: 75px;
            left: -100%;
            width: 80%;
            height: 100vh;
            background: var(--white);
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            padding-top: 50px;
            transition: left 0.3s ease;
            box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
        }

        .nav-links.active {
            left: 0;
        }

        .nav-links li {
            margin: 15px 0;
        }

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

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

        .hero-btns {
            flex-direction: column;
            gap: 15px;
        }

        .section-padding {
            padding: 60px 0;
        }

        .section-title h2 {
            font-size: 2rem;
        }

        .service-card,
        .product-card {
            transform: none !important;
        }
    }

    @media (max-width: 576px) {
        .container {
            width: 95%;
        }

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

        .section-title h2 {
            font-size: 1.8rem;
        }

        .stat-item {
            flex: 1 1 100%;
        }

        .back-to-top {
            right: 15px;
            bottom: 15px;
            width: 40px;
            height: 40px;
            font-size: 1rem;
        }
    }