:root {
            --primary-color: #1a1a2e;
            --secondary-color: #16213e;
            --accent-color: #0fce7c;
            --text-light: #f8f9fa;
            --text-dark: #333;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-dark);
            background-color: #f9f9f9;
            line-height: 1.6;
        }
        .navbar {
            background-color: var(--primary-color) !important;
            padding: 1rem 0;
            box-shadow: var(--shadow);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--accent-color) !important;
        }
        .nav-link {
            color: var(--text-light) !important;
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--accent-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 26, 46, 0.9), rgba(22, 33, 62, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') no-repeat center center/cover;
            color: var(--text-light);
            padding: 8rem 0;
            text-align: center;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
        }
        .section-title {
            color: var(--primary-color);
            border-bottom: 3px solid var(--accent-color);
            display: inline-block;
            padding-bottom: 0.5rem;
            margin-bottom: 2rem;
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: var(--shadow);
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .btn-primary {
            background-color: var(--accent-color);
            border: none;
            padding: 0.75rem 2rem;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        .btn-primary:hover {
            background-color: #0db469;
        }
        .flink {
            display: inline-block;
            background: var(--secondary-color);
            color: var(--text-light);
            padding: 0.75rem 1.5rem;
            margin: 0.5rem;
            border-radius: 30px;
            text-decoration: none;
            transition: background-color 0.3s, transform 0.3s;
        }
        .flink:hover {
            background-color: var(--accent-color);
            color: white;
            transform: scale(1.05);
        }
        footer {
            background-color: var(--primary-color);
            color: var(--text-light);
            padding: 3rem 0;
        }
        .social-icons a {
            color: var(--text-light);
            font-size: 1.5rem;
            margin: 0 0.75rem;
            transition: color 0.3s;
        }
        .social-icons a:hover {
            color: var(--accent-color);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }