:root {
            --primary-color: #0056b3;
            --secondary-color: #28a745;
            --dark-color: #343a40;
            --light-color: #f8f9fa;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            color: var(--dark-color);
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            padding: 1rem 0;
            transition: var(--transition);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--primary-color);
        }
        .nav-link {
            color: var(--dark-color) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(0, 84, 179, 0.8), rgba(40, 167, 69, 0.8)), url('https://images.unsplash.com/photo-1581094794329-c8112a89af12?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0;
            text-align: center;
        }
        .section-padding {
            padding: 5rem 0;
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            text-align: center;
        }
        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--primary-color);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.15);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: #004494;
            transform: scale(1.05);
        }
        .flink {
            display: inline-block;
            margin: 0.5rem 1rem;
            padding: 0.5rem 1.5rem;
            background: var(--light-color);
            border-radius: 30px;
            color: var(--dark-color);
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid #ddd;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .friendlink {
            background: #f9f9f9;
            padding: 3rem 0;
        }
        footer {
            background: var(--dark-color);
            color: white;
            padding: 3rem 0 1rem;
        }
        footer a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .img-fluid {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(0, 86, 179, 0.1);
            color: var(--primary-color);
        }
        .list-group-item {
            border: none;
            padding: 0.75rem 1.25rem;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 5rem 0;
            }
            .section-padding {
                padding: 3rem 0;
            }
            .display-4 {
                font-size: 2.5rem;
            }
        }