:root {
            --primary-spice: #d35400;
            --secondary-spice: #e67e22;
            --accent-gold: #f39c12;
            --deep-brown: #7e5109;
            --light-cream: #fef9e7;
            --dark-text: #2c3e50;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--dark-text);
            background: linear-gradient(135deg, var(--light-cream) 0%, #fff 100%);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-spice) !important;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .nav-link {
            font-weight: 600;
            transition: all 0.3s ease;
            color: var(--deep-brown) !important;
        }
        .nav-link:hover {
            color: var(--primary-spice) !important;
            transform: translateY(-2px);
        }
        h1, h2, h3 {
            color: var(--primary-spice);
            font-weight: 700;
            margin-bottom: 1.5rem;
        }
        h1 {
            border-bottom: 3px solid var(--accent-gold);
            padding-bottom: 0.5rem;
            font-size: 2.5rem;
        }
        h2 {
            border-left: 5px solid var(--secondary-spice);
            padding-left: 1rem;
            margin-top: 2.5rem;
        }
        h3 {
            color: var(--deep-brown);
            margin-top: 2rem;
        }
        .lead {
            font-size: 1.25rem;
            color: var(--deep-brown);
            font-weight: 500;
        }
        .content-section {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            padding: 2.5rem;
            margin-bottom: 2rem;
            transition: transform 0.3s ease;
        }
        .content-section:hover {
            transform: translateY(-5px);
        }
        .img-container {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            margin: 2rem 0;
            transition: all 0.4s ease;
        }
        .img-container:hover {
            transform: scale(1.02);
            box-shadow: 0 12px 35px rgba(0,0,0,0.2);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .key-term {
            background: linear-gradient(120deg, transparent 0%, rgba(211, 84, 0, 0.1) 100%);
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
            color: var(--primary-spice);
        }
        .quote-box {
            border-left: 4px solid var(--accent-gold);
            background-color: rgba(254, 249, 231, 0.5);
            padding: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
        }
        .table-of-contents {
            background: linear-gradient(135deg, #fef9e7 0%, #fdebd0 100%);
            border-radius: 12px;
            padding: 2rem;
            margin: 2rem 0;
        }
        .toc-item {
            padding: 0.5rem 0;
            border-bottom: 1px dashed rgba(0,0,0,0.1);
        }
        .toc-item:last-child {
            border-bottom: none;
        }
        footer {
            background: linear-gradient(135deg, var(--deep-brown) 0%, #2c3e50 100%);
            color: white;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary-spice);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .back-to-top:hover {
            background: var(--secondary-spice);
            transform: translateY(-5px);
            color: white;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            .content-section {
                padding: 1.5rem;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
        }