:root {
            --primary: #004a7c;
            --secondary: #e63946;
            --accent: #ffc107;
            --dark: #2d3748;
            --light: #f8f9fa;
            --warning : orange;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Roboto', sans-serif;
            color: #333;
            background-color: #f5f7fa;
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
        }
        
        /* Navbar Styling */
        .navbar {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
        }
        
        .navbar-brand {
            display: flex;
            align-items: center;
        }

        .logo-img {
            height: 50px;
            width: auto;
            margin-top: -12px;
            object-fit: contain;
        }
        
        .logo-placeholder {
           
        }
        
        .company-name {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.5rem;
        }
        
        .nav-link {
            color: var(--dark) !important;
            font-weight: 500;
            margin: 0 8px;
            transition: all 0.3s;
            position: relative;
        }
        
        .nav-link:hover {
            color: var(--primary) !important;
        }
        
        .nav-link.active {
            color: var(--primary) !important;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--warning);
            transition: width 0.3s;
        }
        
        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }
        
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            padding: 8px 20px;
            border-radius: 4px;
            font-weight: 500;
        }
        
        .btn-primary:hover {
            background-color: #003a63;
            border-color: #003a63;
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(0, 74, 124, 0.3), rgba(0, 74, 124, 0.9)), url('../assets/ng.png');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0 80px;
            position: relative;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 600px;
        }
        
        .hero-btns .btn {
            margin-right: 15px;
            margin-bottom: 10px;
            padding: 12px 30px;
            border-radius: 4px;
            font-weight: 600;
        }
        
        .btn-light {
            background-color: white;
            color: var(--primary);
        }
        
        .btn-outline-light {
            border: 2px solid white;
        }
        
        /* Section Styling */
        .section {
            padding: 80px 0;
        }
        
        .section-title {
            position: relative;
            margin-bottom: 50px;
            text-align: center;
        }
        
        .section-title h2 {
            color: var(--primary);
            font-size: 1.7rem;
            margin-bottom: 15px;
        }
        
        .section-title .divider {
            height: 4px;
            width: 80px;
            background: var(--accent);
            margin: 0 auto;
        }

        
        
        /* About Section */


        .about-content {
            display: flex;
    align-items: stretch;  /* stretch to same height */
    gap: 40px;
    flex-wrap: wrap; /* allow wrapping on small screens */

        }
        
        .about-img {
            flex: 1 1 45%;  /* allow flexibility and set base width */
    max-height: 400px; /* limit max height */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .about-img img {
             width: 100%;
    height: 100%;
    object-fit: cover;  /* cover to fill area without distortion */
    display: block;
        }
        
        .about-img:hover img {
            transform: scale(1.05);
        }
        
        .about-text {
            flex: 1 1 50%; /* allow flexibility and base width */
    display: flex;
    flex-direction: column;
    justify-content: center; /* vertically center text next to image */
        }
        
        .about-text h3 {
            color: var(--primary);
            margin-bottom: 20px;
        }
        
        .about-text p {
            margin-bottom: 20px;
            line-height: 1.8;
        }
        
        .stats {
            display: flex;
            gap: 30px;
            margin-top: 30px;
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-item .number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
        }
        
        /* Services */
        .services {
            background-color: #edf2f7;
        }
        
        .service-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s;
            margin-bottom: 30px;
            height: 100%;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .service-img {
            height: 200px;
            overflow: hidden;
        }
        
        .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .service-card:hover .service-img img {
            transform: scale(1.1);
        }
        
        .service-body {
            padding: 25px;
        }
        
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        .service-body h3 {
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        /* Tracking */
        .tracking-box {
            background: white;
            border-radius: 10px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            max-width: 800px;
            margin: 0 auto;
        }
        
        .tracking-form {
            display: flex;
            margin-top: 20px;
        }
        
        .tracking-form input {
            flex: 1;
            padding: 15px 20px;
            border: 1px solid #ddd;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        
        .tracking-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .tracking-form button:hover {
            background: #003a63;
        }
        
        .tracking-steps {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            position: relative;
        }
        
        .tracking-steps::before {
            content: '';
            position: absolute;
            top: 25px;
            left: 0;
            right: 0;
            height: 3px;
            background: orange;
            z-index: 1;
        }
        
        .step {
            text-align: center;
            position: relative;
            z-index: 2;
        }
        
        .step-icon {
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-size: 1.2rem;
        }
        
        /* Contact */
        .contact-form {
            background: white;
            border-radius: 10px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .form-control {
            padding: 15px;
            margin-bottom: 20px;
            border: 1px solid #ddd;
            border-radius: 4px;
        }
        
        .contact-info {
            background: var(--primary);
            color: white;
            border-radius: 10px;
            padding: 40px;
            height: 100%;
        }
        
        .contact-info h3 {
            margin-bottom: 30px;
        }
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 25px;
        }
        
        .contact-icon {
            font-size: 1.5rem;
            margin-right: 15px;
            color: var(--accent);
        }
        
        /* Footer */
        footer {
            background: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }
        
        .footer-logo {
            margin-bottom: 20px;
        }
        
        .footer-links h4 {
            color: var(--accent);
            margin-bottom: 25px;
            position: relative;
        }
        
        .footer-links h4::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--accent);
        }
        
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--accent);
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            color: white;
            border-radius: 50%;
            transition: all 0.3s;
        }
        
        .social-links a:hover {
            background: var(--accent);
            transform: translateY(-5px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #a0aec0;
        }
        
        /* Responsive */
        @media (max-width: 991px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .about-content {
                flex-direction: column;
            }

                .about-img, .about-text {
            flex: 1 1 100%;
            max-height: none;
        }
        .about-img {
            margin-bottom: 20px;
        }
            
            .tracking-steps {
                flex-wrap: wrap;
            }
            
            .step {
                width: 50%;
                margin-bottom: 30px;
            }
        }
        
        @media (max-width: 767px) {
            .hero {
                padding: 80px 0 60px;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .section {
                padding: 60px 0;
            }
            
            .tracking-form {
                flex-direction: column;
            }
            
            .tracking-form input {
                border-radius: 4px;
                margin-bottom: 10px;
            }
            
            .tracking-form button {
                border-radius: 4px;
                padding: 15px;
            }
            
            .step {
                width: 100%;
            }
        }