:root {
            --primary: #1a237e;
            --primary-dark: #0d1b5c;
            --secondary: #ff6f00;
            --secondary-dark: #e65100;
            --light: #f5f7ff;
            --dark: #12141d;
            --gray: #6c757d;
            --gray-light: #e9ecef;
        }
        body {
            font-family: 'Open Sans', sans-serif;
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
        }
        .navbar {
            background-color: rgba(18, 20, 29, 0.95) !important;
            padding-top: 1rem;
            padding-bottom: 1rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: white !important;
        }
        .nav-link {
            color: #ddd !important;
            font-weight: 500;
            margin: 0 0.5rem;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--secondary) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(13, 27, 92, 0.85), rgba(26, 35, 126, 0.9)), url('https://images.unsplash.com/photo-1542751371-adc38448a05e?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80') no-repeat center center/cover;
            color: white;
            padding: 8rem 0 6rem;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .section-title {
            color: var(--primary-dark);
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 80px;
            height: 4px;
            background: var(--secondary);
        }
        .section-title.text-center::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            transition: all 0.3s ease;
        }
        .service-card, .product-card, .news-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            height: 100%;
        }
        .service-card:hover, .product-card:hover, .news-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        .service-card .icon-box {
            background: var(--secondary);
        }
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            padding: 0.7rem 2rem;
            font-weight: 600;
            border-radius: 30px;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: scale(1.05);
        }
        .btn-secondary {
            background-color: var(--secondary);
            border-color: var(--secondary);
            padding: 0.7rem 2rem;
            font-weight: 600;
            border-radius: 30px;
            transition: all 0.3s;
        }
        .btn-secondary:hover {
            background-color: var(--secondary-dark);
            border-color: var(--secondary-dark);
            transform: scale(1.05);
        }
        footer {
            background-color: var(--dark);
            color: var(--gray-light);
            padding-top: 4rem;
        }
        footer a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: var(--secondary);
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            margin-right: 10px;
            transition: all 0.3s;
        }
        .social-icons a:hover {
            background: var(--secondary);
            transform: translateY(-3px);
        }
        .flink {
            display: inline-block;
            padding: 8px 15px;
            margin: 5px;
            background: var(--gray-light);
            border-radius: 5px;
            color: var(--primary);
            font-weight: 500;
            transition: all 0.3s;
        }
        .flink:hover {
            background: var(--primary);
            color: white;
            text-decoration: none;
            transform: translateY(-3px);
        }
        .stat-box {
            text-align: center;
            padding: 2rem;
            border-radius: 10px;
            background: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .contact-info i {
            color: var(--secondary);
            margin-right: 10px;
            font-size: 1.2rem;
        }
        .form-control, .form-select {
            padding: 0.8rem 1rem;
            border-radius: 8px;
            border: 1px solid #ced4da;
            transition: all 0.3s;
        }
        .form-control:focus, .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 0.25rem rgba(26, 35, 126, 0.25);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--secondary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--secondary-dark);
            color: white;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }