:root {
            --primary-color: #FF9933;
            --secondary-color: #138808;
            --accent-color: #000080;
            --text-dark: #333333;
            --text-light: #666666;
            --bg-light: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            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: 500;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            color: var(--primary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: white;
            padding: 4rem 0;
            margin-bottom: 3rem;
            border-radius: 0 0 20px 20px;
        }
        .section-title {
            color: var(--accent-color);
            border-left: 5px solid var(--primary-color);
            padding-left: 15px;
            margin: 2.5rem 0 1.5rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .highlight-box {
            background-color: var(--bg-light);
            border-left: 4px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .key-fact {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        .img-container {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin: 1.5rem 0;
            transition: transform 0.3s ease;
        }
        .img-container:hover {
            transform: translateY(-5px);
        }
        footer {
            background-color: var(--accent-color);
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .fact-icon {
            font-size: 2rem;
            margin-right: 1rem;
            color: var(--primary-color);
        }
        .timeline-item {
            border-left: 3px solid var(--primary-color);
            padding-left: 1.5rem;
            margin-bottom: 2rem;
            position: relative;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--secondary-color);
            left: -7.5px;
            top: 5px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 2.5rem 0;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }
        .content-paragraph {
            margin-bottom: 1.8rem;
            text-align: justify;
        }
        .keyword-highlight {
            font-weight: 700;
            color: var(--accent-color);
        }