:root {
            --primary-color: #1a365d;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --light-bg: #f8fafc;
            --white: #ffffff;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--primary-color);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 600;
            padding: 0.5rem 1.2rem !important;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(26, 54, 93, 0.9) 0%, rgba(26, 54, 93, 0.7) 100%), 
                        url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            padding: 10rem 0;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            color: var(--white);
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .section-padding {
            padding: 6rem 0;
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            padding-bottom: 1rem;
        }
        .section-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
        }
        .text-center .section-title:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card-hover {
            transition: var(--transition);
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: var(--primary-color);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            transition: var(--transition);
        }
        .feature-item:hover .icon-box {
            background: var(--secondary-color);
            transform: scale(1.1);
        }
        .btn-primary-custom {
            background: var(--primary-color);
            color: var(--white);
            padding: 0.8rem 2rem;
            border-radius: 4px;
            font-weight: 600;
            border: 2px solid var(--primary-color);
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background: transparent;
            color: var(--primary-color);
            transform: translateY(-3px);
        }
        .btn-secondary-custom {
            background: var(--secondary-color);
            color: var(--white);
            padding: 0.8rem 2rem;
            border-radius: 4px;
            font-weight: 600;
            border: 2px solid var(--secondary-color);
            transition: var(--transition);
        }
        .btn-secondary-custom:hover {
            background: transparent;
            color: var(--secondary-color);
            transform: translateY(-3px);
        }
        .footer {
            background: var(--primary-color);
            color: var(--white);
            padding: 4rem 0 2rem;
        }
        .footer a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: var(--accent-color);
            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;
            margin-right: 10px;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background: var(--secondary-color);
            transform: translateY(-5px);
        }
        .flink {
            background: var(--light-bg);
            padding: 15px 25px;
            border-radius: 8px;
            display: inline-block;
            margin: 5px;
            transition: var(--transition);
            color: var(--primary-color);
            font-weight: 500;
            text-decoration: none;
            border: 1px solid rgba(0,0,0,0.05);
        }
        .flink:hover {
            background: var(--white);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transform: translateY(-3px);
            color: var(--secondary-color);
        }
        .product-card {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0,0,0,0.08);
            transition: var(--transition);
            height: 100%;
        }
        .product-card:hover {
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }
        .product-img {
            height: 220px;
            overflow: hidden;
        }
        .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .product-card:hover .product-img img {
            transform: scale(1.05);
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }
        .stats-label {
            font-size: 1rem;
            color: var(--text-light);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .contact-info-box {
            padding: 2rem;
            border-radius: 10px;
            background: var(--light-bg);
            height: 100%;
            transition: var(--transition);
        }
        .contact-info-box:hover {
            background: var(--white);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .testimonial-card {
            background: var(--white);
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            height: 100%;
            border-left: 4px solid var(--secondary-color);
        }
        .client-img {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--light-bg);
        }
        .scroll-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--secondary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        .scroll-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .scroll-to-top:hover {
            background: var(--primary-color);
            transform: translateY(-5px);
        }
        @media (max-width: 992px) {
            .hero-section h1 {
                font-size: 2.8rem;
            }
            .section-padding {
                padding: 4rem 0;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 7rem 0;
            }
            .hero-section h1 {
                font-size: 2.3rem;
            }
            .stats-number {
                font-size: 2.5rem;
            }
        }
        @media (max-width: 576px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }