:root {
            --primary-color: #1a1a2e;
            --secondary-color: #16213e;
            --accent-color: #0f4c75;
            --highlight-color: #00b4d8;
            --text-light: #f8f9fa;
            --text-dark: #212529;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-dark);
            background-color: #fefefe;
            line-height: 1.6;
        }
        .navbar {
            background-color: var(--primary-color) !important;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--highlight-color) !important;
        }
        .nav-link {
            color: var(--text-light) !important;
            font-weight: 500;
            margin: 0 10px;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--highlight-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(22, 33, 62, 0.9), rgba(26, 26, 46, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80');
            background-size: cover;
            background-position: center;
            color: var(--text-light);
            padding: 8rem 0;
            text-align: center;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
        }
        .hero-section p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .btn-primary {
            background-color: var(--accent-color);
            border-color: var(--accent-color);
            padding: 0.8rem 2rem;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: var(--highlight-color);
            border-color: var(--highlight-color);
            transform: translateY(-3px);
        }
        section {
            padding: 5rem 0;
        }
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 3rem;
            text-align: center;
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 20px rgba(0,0,0,0.15);
        }
        .card-img-top {
            border-radius: 12px 12px 0 0;
            height: 220px;
            object-fit: cover;
        }
        .card-title {
            color: var(--secondary-color);
            font-weight: 700;
        }
        .flink {
            display: inline-block;
            padding: 0.5rem 1rem;
            margin: 0.5rem;
            background-color: var(--secondary-color);
            color: var(--text-light);
            border-radius: 6px;
            text-decoration: none;
            transition: background-color 0.3s;
        }
        .flink:hover {
            background-color: var(--highlight-color);
            color: white;
        }
        friendlink {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
            margin-top: 2rem;
        }
        footer {
            background-color: var(--primary-color);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
        }
        footer a {
            color: var(--highlight-color);
            text-decoration: none;
        }
        footer a:hover {
            text-decoration: underline;
        }
        .social-icons a {
            display: inline-block;
            margin: 0 10px;
            font-size: 1.5rem;
            color: var(--text-light);
            transition: color 0.3s;
        }
        .social-icons a:hover {
            color: var(--highlight-color);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 2rem;
            }
        }