:root {
            --primary-color: #1a237e;
            --secondary-color: #ff9800;
            --accent-color: #4caf50;
            --text-dark: #333;
            --text-light: #fff;
            --bg-light: #f8f9fa;
            --bg-dark: #212529;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            color: var(--primary-color);
        }
        .navbar {
            background-color: var(--primary-color);
            padding: 1rem 0;
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--text-light) !important;
        }
        .nav-link {
            color: var(--text-light) !important;
            font-weight: 500;
            margin: 0 10px;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1497366216548-37526070297c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') no-repeat center center/cover;
            color: var(--text-light);
            padding: 150px 0;
            text-align: center;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }
        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .card-img-top {
            height: 200px;
            object-fit: cover;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .btn-primary:hover {
            background-color: var(--secondary-color);
        }
        .team-member img {
            width: 150px;
            height: 150px;
            object-fit: cover;
            border-radius: 50%;
            border: 5px solid var(--bg-light);
        }
        .contact-info i {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 5px;
            background: var(--bg-light);
            border-radius: 5px;
            text-decoration: none;
            color: var(--text-dark);
            transition: all 0.3s;
        }
        .flink:hover {
            background: var(--primary-color);
            color: var(--text-light);
        }
        footer {
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 60px 0 20px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            display: block;
            margin-bottom: 10px;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
        }
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: #444;
            color: var(--text-light);
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin-right: 10px;
            transition: background 0.3s;
        }
        .social-icons a:hover {
            background: var(--secondary-color);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: var(--text-light);
            border-radius: 50%;
            text-align: center;
            line-height: 50px;
            font-size: 1.5rem;
            display: none;
            z-index: 1000;
            transition: background 0.3s;
        }
        .back-to-top:hover {
            background: var(--secondary-color);
            color: var(--text-light);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-padding {
                padding: 60px 0;
            }
        }