-->
/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
    color: #2c3e50;
}

.nav-logo img {
    width: 32px;
    height: 32px;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: #555;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: #3498db;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #2c3e50;
    color: white;
    padding: 1rem;
    z-index: 1000;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.cookie-content a {
    color: #3498db;
}

.cookie-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    display: flex;
    align-items: center;
    min-height: 500px;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 1rem 2rem;
    border-radius: 6px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);
}

.hero-image img {
    width: 100%;
    height: auto;
}

/* Page Header */
.page-header {
    text-align: center;
    padding: 3rem 0;
}

.page-header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Books Grid */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.book-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

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

.book-card-content {
    padding: 1.5rem;
}

.book-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    line-height: 1.3;
}

.book-card .author {
    color: #666;
    font-style: italic;
    margin-bottom: 0.5rem;
}

.book-card .category {
    display: inline-block;
    background: #ecf0f1;
    color: #2c3e50;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.book-card .description {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.book-card .read-more {
    color: #3498db;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Categories */
.categories-preview {
    background: #f8f9fa;
    padding: 4rem 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.category-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.category-card:hover {
    transform: translateY(-3px);
}

.category-card h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.category-card p {
    color: #666;
}

/* Filters */
.filters {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.search-box input,
.filter-box select {
    padding: 0.8rem 1rem;
    border: 2px solid #e1e8ed;
    border-radius: 6px;
    font-size: 1rem;
    min-width: 200px;
    transition: border-color 0.3s ease;
}

.search-box input:focus,
.filter-box select:focus {
    outline: none;
    border-color: #3498db;
}

/* Book Detail */
.breadcrumb {
    padding: 1rem 0;
    color: #666;
}

.breadcrumb a {
    color: #3498db;
}

.book-detail {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin: 2rem 0;
}

.book-detail-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.book-detail-content h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.book-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.meta-item {
    background: #f8f9fa;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
}

.book-description {
    margin-bottom: 2rem;
    line-height: 1.7;
}

.key-takeaways {
    margin-bottom: 2rem;
}

.key-takeaways ul {
    list-style: disc;
    margin-left: 1.5rem;
    margin-top: 1rem;
}

.key-takeaways li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.external-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.external-link {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: #3498db;
    color: white;
    border-radius: 6px;
    font-weight: 500;
    transition: background 0.3s ease;
}

.external-link:hover {
    background: #2980b9;
}

.disclaimer-notice {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 6px;
    padding: 1rem;
    margin: 2rem 0;
    text-align: center;
}

/* Categories Page */
.category-section {
    margin-bottom: 4rem;
}

.category-section h2 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.category-section > p {
    color: #666;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.view-all-link {
    display: inline-block;
    color: #3498db;
    font-weight: 500;
    margin-top: 1rem;
}

/* Contact Form */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 2rem 0;
}

.contact-info {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
}

.contact-item {
    margin-bottom: 2rem;
}

.contact-item h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: #3498db;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #e1e8ed;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input {
    width: auto !important;
}

.submit-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease;
}

.submit-btn:hover {
    background: #2980b9;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 6px;
    text-align: center;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Legal Pages */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.legal-content section {
    margin-bottom: 2rem;
}

.legal-content h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.legal-content h3 {
    color: #34495e;
    margin-bottom: 0.5rem;
    margin-top: 1rem;
    font-size: 1.2rem;
}

.legal-content ul {
    list-style: disc;
    margin-left: 1.5rem;
    margin-top: 0.5rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.legal-content a {
    color: #3498db;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 3rem;
    color: #666;
}

.book-not-found {
    text-align: center;
    padding: 3rem;
}

.book-not-found h1 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #bdc3c7;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    margin-top: 2rem;
    padding-top: 1rem;
    text-align: center;
    color: #bdc3c7;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    }

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

    .nav-toggle {
        display: block;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .books-grid {
        grid-template-columns: 1fr;
    }

    .book-detail {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .filters {
        flex-direction: column;
    }

    .search-box input,
    .filter-box select {
        width: 100%;
        min-width: auto;
    }

    .external-links {
        justify-content: center;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 2rem 0;
    }

    .page-header {
        padding: 2rem 0;
    }

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

    .book-detail-content h1 {
        font-size: 2rem;
    }

    .categories-preview {
        padding: 2rem 0;
    }
}

<!--