:root {
            --primary-color: #1a237e;
            --secondary-color: #ff9800;
            --accent-color: #4caf50;
            --dark-bg: #121212;
            --light-bg: #f8f9fa;
            --text-dark: #212529;
            --text-light: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-dark);
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--secondary-color) !important;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s ease;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(18, 18, 18, 0.85), rgba(18, 18, 18, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
            color: var(--text-light);
            padding: 150px 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            font-weight: 700;
            color: var(--primary-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--secondary-color);
        }
        .card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15) !important;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            transition: background-color 0.3s ease, transform 0.3s ease;
        }
        .btn-primary:hover {
            background-color: var(--secondary-color);
            transform: scale(1.05);
        }
        .flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 8px;
            background: var(--light-bg);
            border-radius: 8px;
            text-decoration: none;
            color: var(--primary-color);
            font-weight: 500;
            transition: all 0.3s ease;
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
        }
        .social-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            margin: 0 8px;
            color: white;
            text-decoration: none;
            transition: background 0.3s ease, transform 0.3s ease;
        }
        .social-icon:hover {
            background: var(--secondary-color);
            transform: scale(1.1);
        }
        .testimonial-card {
            background: white;
            border-left: 5px solid var(--secondary-color);
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .team-member img {
            width: 150px;
            height: 150px;
            object-fit: cover;
            border: 5px solid var(--light-bg);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0;
                text-align: center;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }