:root {
            --primary-blue: #1a4b8c;
            --secondary-blue: #2d6ec4;
            --light-blue: #e8f0fe;
            --dark-blue: #0a2a53;
            --accent-gold: #ffc107;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            color: #333;
            padding-top: 80px;
        }
        
        .navbar {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 15px 0;
        }
        
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-blue);
            font-size: 1.8rem;
        }
        
        .nav-link {
            color: #333;
            font-weight: 500;
            margin: 0 10px;
            transition: all 0.3s;
            cursor: pointer;
        }
        
        .nav-link:hover, .nav-link.active {
            color: var(--primary-blue);
        }
        
        .btn-primary {
            background-color: var(--primary-blue);
            border-color: var(--primary-blue);
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 500;
        }
        
        .btn-primary:hover {
            background-color: var(--dark-blue);
            border-color: var(--dark-blue);
        }
        
        .btn-outline-primary {
            color: var(--primary-blue);
            border-color: var(--primary-blue);
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 500;
        }
        
        .btn-outline-primary:hover {
            background-color: var(--primary-blue);
            color: white;
        }
        
        .hero-section {
            background: linear-gradient(rgba(26, 75, 140, 0.8), rgba(26, 75, 140, 0.8)), url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1500&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 150px 0 100px;
            text-align: center;
        }
        
        .section-title {
            position: relative;
            margin-bottom: 40px;
            font-weight: 700;
            color: var(--primary-blue);
        }
        
        .section-title:after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--secondary-blue);
            margin: 15px auto;
        }
        
        .service-box {
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s;
            margin-bottom: 30px;
            text-align: center;
            border-top: 4px solid var(--primary-blue);
        }
        
        .service-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 20px;
        }
        
        .project-card {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 30px;
            transition: all 0.3s;
        }
        
        .project-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .project-img {
            height: 250px;
            object-fit: cover;
        }
        
        .product-card {
            border: 1px solid #eee;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 30px;
            transition: all 0.3s;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .testimonial-card {
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 20px 0;
            background: white;
        }
        
        .testimonial-img {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 20px;
        }
        
        footer {
            background-color: var(--dark-blue);
            color: white;
            padding: 70px 0 0;
        }
        
        .footer-title {
            font-weight: 600;
            margin-bottom: 25px;
            font-size: 1.2rem;
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: all 0.3s;
            cursor: pointer;
        }
        
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            color: white;
            margin-right: 10px;
            transition: all 0.3s;
        }
        
        .social-icons a:hover {
            background: var(--primary-blue);
            transform: translateY(-3px);
        }
        
        .copyright {
            background-color: rgba(0,0,0,0.2);
            padding: 20px 0;
            margin-top: 50px;
        }
        
        /* Page Content Styles */
        .page-content {
            display: none;
            opacity: 0;
            transition: opacity 0.5s ease;
            min-height: 70vh;
        }
        
        .page-content.active {
            display: block;
            opacity: 1;
        }
        
        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-blue);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            opacity: 0;
            transition: all 0.4s;
            z-index: 1000;
        }
        
        .back-to-top.active {
            opacity: 1;
            bottom: 30px;
        }
        
        /* Form Styles */
        .form-control {
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 20px;
            border: 1px solid #ddd;
        }
        
        .form-control:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 0.25rem rgba(26, 75, 140, 0.25);
        }