:root {
            --primary-color: #FF9933;
            --secondary-color: #138808;
            --accent-color: #000080;
            --text-color: #333333;
            --light-bg: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #ffffff;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--accent-color) !important;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
        }
        .nav-link {
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            color: var(--primary-color) !important;
            transform: translateY(-2px);
        }
        h1, h2, h3 {
            color: var(--accent-color);
            margin-bottom: 1.5rem;
            font-weight: 700;
        }
        h1 {
            border-bottom: 3px solid var(--primary-color);
            padding-bottom: 0.5rem;
            font-size: 2.5rem;
        }
        h2 {
            border-left: 5px solid var(--secondary-color);
            padding-left: 1rem;
            margin-top: 2.5rem;
            font-size: 2rem;
        }
        h3 {
            color: var(--secondary-color);
            font-size: 1.5rem;
            margin-top: 2rem;
        }
        .lead {
            font-size: 1.25rem;
            color: #555;
            font-weight: 500;
        }
        .highlight-box {
            background: linear-gradient(135deg, var(--light-bg) 0%, #e9ecef 100%);
            border-left: 4px solid var(--primary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        }
        .key-fact {
            background-color: var(--light-bg);
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem 0;
            border: 1px solid #dee2e6;
        }
        .key-fact i {
            color: var(--primary-color);
            margin-right: 0.5rem;
        }
        .img-container {
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin: 2rem 0;
            transition: transform 0.3s ease;
        }
        .img-container:hover {
            transform: translateY(-5px);
        }
        .fact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .fact-card {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            text-align: center;
            transition: all 0.3s ease;
        }
        .fact-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .fact-card i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .timeline {
            position: relative;
            margin: 2rem 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-left: 2rem;
            margin-bottom: 2rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--primary-color);
        }
        footer {
            background-color: var(--accent-color);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-heading {
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 1.5rem;
        }
        .social-links a {
            color: white;
            font-size: 1.5rem;
            margin-right: 1rem;
            transition: color 0.3s ease;
        }
        .social-links a:hover {
            color: var(--primary-color);
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
            .lead {
                font-size: 1.1rem;
            }
        }
        .keyword {
            font-weight: 700;
            color: var(--accent-color);
        }
        .quote {
            font-style: italic;
            border-left: 4px solid var(--secondary-color);
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: #555;
        }