        /* Page Container */
        .page-container {
            max-width: 70rem;
            margin: 0 auto;
            padding: 3rem 1.5rem 6rem;
        }

        /* Page Header */
        .page-header {
            margin-bottom: 4rem;
            text-align: center;
        }

        .page-header h1 {
            font-size: 3rem;
            color: #292524;
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        .page-header p {
            font-size: 1.125rem;
            color: #78706c;
            max-width: 42rem;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* Books Grid */
        .books-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 2.5rem;
            margin-bottom: 4rem;
        }

        /* Book Card */
        .book-card {
            background: white;
            border-radius: 0.75rem;
            overflow: hidden;
            border: 1px solid rgba(120, 113, 108, 0.1);
            transition: all 0.3s ease;
            cursor: pointer;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .book-card:hover {
            transform: translateY(-4px);
            border-color: rgba(217, 119, 6, 0.2);
            box-shadow: 0 8px 24px rgba(120, 113, 108, 0.1);
        }

        .book-cover {
            width: 100%;
            aspect-ratio: 3 / 4;
            background: linear-gradient(135deg, #fef3c7 0%, #fed7aa 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: rgba(146, 64, 14, 0.2);
            font-family: 'Playfair Display', serif;
            overflow: hidden;
            position: relative;
        }

        .book-cover img {
            width: 100%;
            height: 100%;
            min-height: 200px;
            object-fit: cover;
        }

        .book-cover.placeholder {
            background: linear-gradient(135deg, #f3e8ff 0%, #ede9fe 100%);
            color: rgba(109, 40, 217, 0.1);
        }

        .book-cover.placeholder-2 {
            background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
            color: rgba(37, 99, 235, 0.1);
        }

        .book-cover.placeholder-3 {
            background: linear-gradient(135deg, #dcfce7 0%, #dbeafe 100%);
            color: rgba(34, 197, 94, 0.1);
        }

        /* Book Info */
        .book-info {
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .book-category {
            font-size: 0.75rem;
            font-weight: 600;
            color: #d97706;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 0.5rem;
        }

        .book-title {
            font-family: 'Playfair Display', serif;
            font-size: 1.25rem;
            color: #292524;
            margin-bottom: 0.5rem;
            line-height: 1.3;
            height: 40px;
        }

        .book-author {
            font-size: 0.95rem;
            color: #78706c;
            margin-bottom: 0.75rem;
        }

        .book-description {
            font-size: 0.9rem;
            color: #a8a29e;
            margin-bottom: 1rem;
            line-height: 1.6;
            flex-grow: 1;
        }

        .book-rating {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
            font-size: 0.875rem;
        }

        .stars {
            color: #f59e0b;
        }

        .rating-count {
            color: #a8a29e;
        }

        .book-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(120, 113, 108, 0.1);
        }

        .book-price {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            color: #292524;
            font-weight: 600;
        }

        .buy-button {
            padding: 0.5rem 1rem;
            background-color: #292524;
            color: white;
            border: none;
            border-radius: 0.375rem;
            cursor: pointer;
            font-family: 'Source Serif Pro', serif;
            font-weight: 500;
            transition: all 0.3s ease;
            font-size: 0.875rem;
        }

        .buy-button:hover {
            background-color: #3f3835;
            transform: scale(1.05);
        }

        .buy-button.variant-1 {
            background-color: #d97706;
        }

        .buy-button.variant-1:hover {
            background-color: #b45309;
        }

        .buy-button.variant-2 {
            background-color: #6366f1;
        }

        .buy-button.variant-2:hover {
            background-color: #4f46e5;
        }

        .buy-button.variant-3 {
            background-color: #059669;
        }

        .buy-button.variant-3:hover {
            background-color: #047857;
        }
        .buy-button.variant-4 {
            background-color: #CB1A06;
        }

        .buy-button.variant-4:hover {
            background-color: #B01B04;
        }

        /* Newsletter Section */
        .newsletter {
            background: linear-gradient(135deg, #fef3c7 0%, #fed7aa 100%);
            border: 1px solid rgba(217, 119, 6, 0.2);
            border-radius: 1rem;
            padding: 3rem 2rem;
            text-align: center;
            margin-top: 4rem;
        }

        .newsletter h3 {
            font-family: 'Playfair Display', serif;
            color: #292524;
            margin-bottom: 0.5rem;
        }

        .newsletter p {
            color: #78706c;
            margin-bottom: 1.5rem;
        }

        .newsletter-form {
            display: flex;
            gap: 0.5rem;
            max-width: 28rem;
            margin: 0 auto;
        }

        .newsletter-form input {
            flex: 1;
            padding: 0.75rem;
            border: 1px solid #d6ccc8;
            border-radius: 0.375rem;
            font-family: 'Source Serif Pro', serif;
            font-size: 0.95rem;
            transition: border-color 0.3s ease;
        }

        .newsletter-form input:focus {
            outline: none;
            border-color: #f59e0b;
        }

        .newsletter-form button {
            padding: 0.75rem 1.5rem;
            background-color: #292524;
            color: white;
            border: none;
            border-radius: 0.375rem;
            cursor: pointer;
            font-family: 'Source Serif Pro', serif;
            font-weight: 500;
            transition: background-color 0.3s ease;
        }

        .newsletter-form button:hover {
            background-color: #3f3835;
        }

        /* Footer */
        footer {
            border-top: 1px solid rgba(120, 113, 108, 0.2);
            background-color: rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(10px);
        }

        .footer-content {
            max-width: 70rem;
            margin: 0 auto;
            padding: 3rem 1.5rem;
            text-align: center;
            font-size: 0.875rem;
            color: #a8a29e;
        }

        .footer-links {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            margin-top: 1rem;
        }

        .footer-links a {
            color: #78706c;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: #d97706;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-links {
                gap: 1rem;
                font-size: 0.75rem;
            }

            .page-header h1 {
                font-size: 2rem;
            }

            .page-header p {
                font-size: 1rem;
            }

            .books-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
                gap: 1.5rem;
            }

            .book-title {
                font-size: 1.1rem;
            }

            .newsletter-form {
                flex-direction: column;
            }

            .newsletter-form button {
                width: 100%;
            }
        }
