:root {
            --primary-color: #1a56db;
            --secondary-color: #0e9f6e;
            --dark-color: #1f2937;
            --light-color: #f9fafb;
            --gray-color: #6b7280;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            color: var(--dark-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--dark-color);
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            padding: 1rem 0;
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 600;
            color: var(--dark-color) !important;
            margin: 0 0.5rem;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(26, 86, 219, 0.05) 0%, rgba(14, 159, 110, 0.05) 100%);
            padding: 8rem 0 6rem;
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 0.75rem 2rem;
            font-weight: 600;
            border-radius: 0.5rem;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: #164bc1;
            border-color: #164bc1;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(26, 86, 219, 0.2);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 0.75rem 2rem;
            font-weight: 600;
            border-radius: 0.5rem;
            transition: all 0.3s;
        }
        .btn-secondary:hover {
            background-color: #0d8a5f;
            border-color: #0d8a5f;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(14, 159, 110, 0.2);
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }
        .service-card, .case-card, .team-card {
            background: #fff;
            border-radius: 1rem;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: all 0.4s ease;
            height: 100%;
            border: 1px solid #e5e7eb;
        }
        .service-card:hover, .case-card:hover, .team-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        .service-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(26, 86, 219, 0.1) 0%, rgba(14, 159, 110, 0.1) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 2rem auto 1.5rem;
            color: var(--primary-color);
            font-size: 2rem;
        }
        .case-card img {
            height: 220px;
            object-fit: cover;
            width: 100%;
        }
        .team-card img {
            height: 250px;
            object-fit: cover;
            width: 100%;
        }
        .flink {
            display: inline-block;
            padding: 0.5rem 1.5rem;
            margin: 0.5rem;
            background-color: #f3f4f6;
            border-radius: 2rem;
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border: 1px solid #e5e7eb;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(26, 86, 219, 0.2);
        }
        footer {
            background-color: var(--dark-color);
            color: #d1d5db;
            padding-top: 4rem;
        }
        footer a {
            color: #d1d5db;
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: white;
        }
        .footer-bottom {
            border-top: 1px solid #374151;
            padding: 1.5rem 0;
            margin-top: 3rem;
        }
        .contact-info li {
            margin-bottom: 1rem;
            display: flex;
            align-items: flex-start;
        }
        .contact-info i {
            margin-right: 1rem;
            color: var(--secondary-color);
            margin-top: 0.25rem;
        }
        .sticky-top {
            top: -100px;
            transition: top 0.5s ease;
        }
        .sticky-top.scrolled {
            top: 0;
        }
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary-color);
            color: white;
            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-color: #164bc1;
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section {
                padding: 6rem 0 4rem;
            }
            .section-title {
                margin-bottom: 2rem;
            }
        }