:root {
            --saffron-primary: #FF9933;
            --saffron-secondary: #FFCC00;
            --green-accent: #138808;
            --navy-dark: #000080;
            --cream-bg: #FFF8E7;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            background-color: var(--cream-bg);
            color: #333;
            line-height: 1.7;
        }
        .logo-brand {
            font-family: 'Georgia', serif;
            font-weight: bold;
            color: var(--saffron-primary);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
            font-size: 1.8rem;
        }
        .nav-custom {
            background: linear-gradient(135deg, var(--navy-dark) 0%, #1a1a5e 100%);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .nav-link {
            color: white !important;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 0.5rem 1rem !important;
        }
        .nav-link:hover {
            color: var(--saffron-secondary) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://via.placeholder.com/1200x600') center/cover no-repeat;
            color: white;
            padding: 4rem 0;
            margin-bottom: 2rem;
            border-radius: 0 0 20px 20px;
        }
        .content-section {
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            padding: 2.5rem;
            margin-bottom: 2rem;
        }
        h1, h2, h3 {
            color: var(--navy-dark);
            margin-bottom: 1.5rem;
        }
        h1 {
            border-bottom: 3px solid var(--saffron-primary);
            padding-bottom: 0.5rem;
            font-weight: 700;
        }
        h2 {
            border-left: 5px solid var(--saffron-secondary);
            padding-left: 1rem;
            margin-top: 2.5rem;
        }
        h3 {
            color: var(--saffron-primary);
            margin-top: 2rem;
        }
        .keyword-highlight {
            background-color: rgba(255, 153, 51, 0.15);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .feature-icon {
            color: var(--saffron-primary);
            margin-right: 0.5rem;
            font-size: 1.2rem;
        }
        .img-container {
            border-radius: 10px;
            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: scale(1.02);
        }
        .img-caption {
            background-color: #f8f9fa;
            padding: 0.75rem;
            font-style: italic;
            color: #666;
            border-top: 1px solid #dee2e6;
        }
        .table-of-contents {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
            border-left: 5px solid var(--green-accent);
        }
        .toc-list {
            list-style-type: none;
            padding-left: 0;
        }
        .toc-list li {
            margin-bottom: 0.75rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .toc-list li:before {
            content: "▶";
            color: var(--saffron-primary);
            position: absolute;
            left: 0;
        }
        .toc-list a {
            color: #333;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .toc-list a:hover {
            color: var(--saffron-primary);
        }
        footer {
            background: linear-gradient(135deg, var(--navy-dark) 0%, #1a1a5e 100%);
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .back-to-top {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: var(--saffron-primary);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .back-to-top:hover {
            background: var(--saffron-secondary);
            transform: translateY(-5px);
            color: white;
        }
        @media (max-width: 768px) {
            .content-section {
                padding: 1.5rem;
            }
            .hero-section {
                padding: 2.5rem 0;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }