:root {
            --bg-color: #f7f4ee;
            --card-bg: #ffffff;
            --text-dark: #2b2b2b;
            --accent-warm: #8c7152;
            --accent-dark: #4a4035;
            --border-color: #e2dacd;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: 'Georgia', serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-dark);
            line-height: 1.7;
        }

        header {
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 12px rgba(74, 64, 53, 0.08);
        }

        .container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .nav-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
        }

        .brand {
            font-size: 1.2rem;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            text-decoration: none;
            position: relative;
            background: linear-gradient(135deg, #4a4035 0%, #8c7152 25%, #d4af37 50%, #8c7152 75%, #4a4035 100%);
            background-size: 200% auto;
            color: transparent;
            -webkit-background-clip: text;
            background-clip: text;
            text-shadow: 1px 1px 2px rgba(74, 64, 53, 0.25), 0 0 1px rgba(212, 175, 55, 0.4);
            filter: drop-shadow(1px 2px 3px rgba(74, 64, 53, 0.2));
            transition: background-position 0.8s ease, text-shadow 0.3s ease, filter 0.3s ease;
        }

        .brand:hover {
            background-position: right center;
            text-shadow: 2px 2px 4px rgba(74, 64, 53, 0.35), 0 0 8px rgba(212, 175, 55, 0.5);
            filter: drop-shadow(2px 3px 6px rgba(140, 113, 82, 0.35));
        }

        .nav-links {
            display: flex;
            align-items: center;
        }

        .nav-links a {
            color: var(--accent-dark);
            text-decoration: none;
            margin-left: 20px;
            font-family: Arial, sans-serif;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: color 0.2s ease, text-shadow 0.2s ease;
        }

        .nav-links a:hover {
            color: var(--accent-warm);
            text-shadow: 0 1px 2px rgba(140, 113, 82, 0.2);
        }

	.social-links {
    	display: flex;
    	align-items: center;
    	gap: 12px;
    	margin-left: 30px;
	}

	.social-links a {
    	color: var(--accent-dark);
    	font-size: 1.1rem;
    	margin-left: 0;
    	transition: color 0.2s ease, transform 0.2s ease;
	}

	.social-links a:hover {
    	color: var(--accent-warm);
    	transform: translateY(-2px);
	}

	@media (max-width: 768px) {
    	.social-links {
        margin-left: 0;
        margin-top: 15px;
        justify-content: center;
    	}
	}

        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--accent-dark);
            cursor: pointer;
            padding: 0 5px;
            line-height: 1;
        }

        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: -20px;
                right: -20px;
                background-color: var(--card-bg);
                border-bottom: 1px solid var(--border-color);
                padding: 15px 20px;
                box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            }

            .nav-links.active {
                display: flex;
            }

            .nav-links a {
                margin: 10px 0;
                width: 100%;
                text-align: center;
                padding: 5px 0;
            }
        }

        .hero {
            padding: 60px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }

        .hero-book-cover {
            flex: 1;
            min-width: 280px;
            text-align: center;
        }

        .hero-book-cover img {
            max-width: 100%;
            height: auto;
            border-radius: 4px;
            box-shadow: 0 12px 30px rgba(0,0,0,0.18);
        }

        .hero-details {
            flex: 1.3;
            min-width: 300px;
        }

        .tagline {
            font-family: Arial, sans-serif;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-warm);
            font-weight: bold;
            margin-bottom: 10px;
            display: block;
            text-shadow: 0 1px 2px rgba(140, 113, 82, 0.15);
        }

        .book-title {
            font-size: 3rem;
            color: var(--accent-dark);
            line-height: 1.1;
            margin-bottom: 10px;
            text-shadow: 1px 2px 4px rgba(74, 64, 53, 0.15);
        }

        .book-subtitle {
            font-size: 1.3rem;
            color: var(--accent-warm);
            font-style: italic;
            margin-bottom: 20px;
            text-shadow: 0 1px 2px rgba(140, 113, 82, 0.12);
        }

        .book-synopsis {
            font-size: 1.05rem;
            margin-bottom: 25px;
            color: #444;
        }

        .buy-box {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 6px;
            margin-top: 20px;
        }

        .buy-box p {
            font-family: Arial, sans-serif;
            font-size: 0.9rem;
            font-weight: bold;
            margin-bottom: 10px;
            color: var(--accent-dark);
            text-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
        }

        .btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            flex-direction: row;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 12px 20px;
            text-decoration: none;
            font-family: Arial, sans-serif;
            font-size: 0.85rem;
            font-weight: bold;
            text-transform: uppercase;
            border-radius: 4px;
            transition: 0.3s;
            line-height: 1.3;
            cursor: pointer;
            border: none;
        }

        .btn i {
            font-size: 1.4rem;
        }

        .btn-text {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .btn-price {
            font-size: 0.75rem;
            font-weight: normal;
            opacity: 0.9;
            margin-top: 2px;
            text-transform: none;
        }

        .btn-primary {
            background-color: var(--accent-warm);
            color: #fff;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
        }

        .btn-primary:hover {
            background-color: var(--accent-dark);
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
        }

        .btn-outline {
            border: 1px solid var(--accent-warm);
            color: var(--accent-warm);
            text-shadow: 0 1px 1px rgba(140, 113, 82, 0.1);
            background: transparent;
        }

        .btn-outline:hover {
            background-color: var(--accent-warm);
            color: #fff;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
        }

        .quote-banner {
            background-color: var(--accent-dark);
            color: #fff;
            padding: 50px 20px;
            text-align: center;
        }

        .quote-banner blockquote {
            font-size: 1.35rem;
            font-style: italic;
            max-width: 800px;
            margin: 0 auto 15px auto;
            text-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
            line-height: 1.6;
        }

        .quote-author {
            font-family: Arial, sans-serif;
            font-size: 0.95rem;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #ffffff;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
            margin-bottom: 4px;
        }

        .quote-title {
            font-family: Arial, sans-serif;
            font-size: 0.8rem;
            letter-spacing: 0.5px;
            color: var(--border-color);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.4;
        }

        .section {
            padding: 60px 0;
        }

        .section-heading {
            text-align: center;
            font-size: 2rem;
            color: var(--accent-dark);
            margin-bottom: 40px;
            text-shadow: 1px 1px 3px rgba(74, 64, 53, 0.12);
        }

        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 6px;
        }

        .card h3 {
            font-size: 1.2rem;
            color: var(--accent-warm);
            margin-bottom: 12px;
            text-shadow: 0 1px 1px rgba(140, 113, 82, 0.15);
        }

        .card p {
            font-size: 0.95rem;
            color: #555;
        }

        /* Author Section Layout */
        .author-section {
            background-color: var(--card-bg);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 50px 0;
        }

        .author-flex {
            display: flex;
            align-items: center;
            gap: 35px;
            max-width: 850px;
            margin: 0 auto;
        }

        .author-image {
            flex: 0 0 180px;
            text-align: center;
        }

        .author-image img {
            width: 180px;
            height: 180px;
            object-fit: cover;
            border-radius: 50%;
            border: 3px solid var(--accent-warm);
            box-shadow: 0 6px 16px rgba(74, 64, 53, 0.15);
        }

        .author-content {
            flex: 1;
            text-align: left;
        }

        .author-heading {
            font-size: 1.8rem;
            color: var(--accent-dark);
            margin-bottom: 15px;
            text-shadow: 1px 1px 2px rgba(74, 64, 53, 0.12);
        }

        /* Toggle Section Styles */
        .toggle-container {
            max-width: 100%;
            margin: 15px auto 0 auto;
            text-align: left;
        }

        .toggle-btn {
            background-color: transparent;
            border: 1px solid var(--accent-warm);
            color: var(--accent-dark);
            padding: 12px 20px;
            width: 100%;
            text-align: left;
            font-family: Arial, sans-serif;
            font-size: 0.95rem;
            font-weight: bold;
            cursor: pointer;
            border-radius: 4px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background-color 0.2s ease, color 0.2s ease;
        }

        .toggle-btn:hover {
            background-color: var(--bg-color);
            color: var(--accent-warm);
        }

        .toggle-icon {
            font-size: 1.1rem;
            transition: transform 0.3s ease;
        }

        .toggle-btn.active .toggle-icon {
            transform: rotate(180deg);
        }

        .toggle-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease-out, padding 0.3s ease;
            background-color: var(--bg-color);
            border-left: 1px solid var(--border-color);
            border-right: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            border-bottom-left-radius: 4px;
            border-bottom-right-radius: 4px;
            padding: 0 20px;
        }

        .toggle-content.open {
            max-height: 500px;
            padding: 20px;
        }

        .contact-cta {
            margin-top: 20px;
        }

        /* Modal Contact Form Styles */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.65);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            z-index: 1000;
            padding: 20px;
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            max-width: 500px;
            width: 100%;
            padding: 30px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.25);
            position: relative;
            transform: translateY(-20px);
            transition: transform 0.3s ease;
        }

        .modal-overlay.active .modal-card {
            transform: translateY(0);
        }

        .modal-close {
            position: absolute;
            top: 15px;
            right: 20px;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--accent-dark);
            cursor: pointer;
            line-height: 1;
        }

        .modal-title {
            font-size: 1.6rem;
            color: var(--accent-dark);
            margin-bottom: 8px;
        }

        .modal-subtitle {
            font-family: Arial, sans-serif;
            font-size: 0.85rem;
            color: #666;
            margin-bottom: 20px;
        }

        .contact-form .form-group {
            margin-bottom: 15px;
            text-align: left;
        }

        .contact-form label {
            display: block;
            font-family: Arial, sans-serif;
            font-size: 0.85rem;
            font-weight: bold;
            color: var(--accent-dark);
            margin-bottom: 5px;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 10px 12px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-family: Arial, sans-serif;
            font-size: 0.9rem;
            background-color: var(--bg-color);
            color: var(--text-dark);
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--accent-warm);
        }

        .contact-form textarea {
            resize: vertical;
            min-height: 100px;
        }

        footer {
            text-align: center;
            padding: 25px;
            font-family: Arial, sans-serif;
            font-size: 0.8rem;
            color: #777;
        }

        .footer-credit {
            margin-top: 6px;
            font-size: 0.75rem;
            color: #888;
        }

        .footer-credit a {
            color: var(--accent-warm);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .footer-credit a:hover {
            color: var(--accent-dark);
            text-decoration: underline;
        }

        .back-to-top {
            position: fixed;
            bottom: 25px;
            right: 25px;
            width: 44px;
            height: 44px;
            background-color: var(--accent-dark);
            color: #ffffff;
            border: none;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.2s ease, transform 0.2s ease;
            z-index: 99;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background-color: var(--accent-warm);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .author-flex {
                flex-direction: column;
                text-align: center;
            }

            .author-content {
                text-align: center;
            }
        }

    .thank-you-section {
        padding: 80px 0;
        text-align: center;
        min-height: 60vh;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .thank-you-card {
        background-color: var(--card-bg, #ffffff);
        border: 1px solid var(--border-color, #e0e0e0);
        border-radius: 12px;
        padding: 40px 30px;
        max-width: 600px;
        margin: 0 auto;
        box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    }
    .icon-circle {
        width: 80px;
        height: 80px;
        background-color: #e8f5e9;
        color: #2e7d32;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 2.5rem;
        margin: 0 auto 24px auto;
    }
    .thank-you-title {
        font-size: 2.2rem;
        margin-bottom: 15px;
        color: #333;
    }
    .thank-you-message {
        font-size: 1.1rem;
        color: #555;
        line-height: 1.6;
        margin-bottom: 30px;
    }
    .thank-you-actions {
        display: flex;
        gap: 15px;
        justify-content: center;
        flex-wrap: wrap;
    }