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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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;
    border-bottom: 1px solid #e5e5e5;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #2563eb;
}

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

.nav-link {
    color: #666;
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #2563eb;
    border-bottom-color: #2563eb;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #333;
}

/* Hero Section */
.hero {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #1e293b;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-image {
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

.btn-secondary {
    background: white;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

/* Sections */
.featured-books,
.categories-preview,
.books-directory,
.categories-section,
.content-section,
.contact-section {
    padding: 4rem 0;
}

.page-header {
    padding: 3rem 0;
    background: #f8fafc;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.page-header p {
    font-size: 1.25rem;
    color: #64748b;
}

/* Section Headers */
.featured-books h2,
.categories-preview h2,
.content-section h2 {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #1e293b;
}

.section-footer {
    text-align: center;
    margin-top: 3rem;
}

/* Grids */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

/* Book Cards */
.book-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.book-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.book-image {
    height: 200px;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.book-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-info {
    padding: 1.5rem;
}

.book-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.book-author {
    color: #64748b;
    margin-bottom: 0.5rem;
}

.book-category {
    display: inline-block;
    background: #e0e7ff;
    color: #3730a3;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.book-description {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.book-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Category Cards */
.category-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: #e0e7ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.category-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.category-count {
    color: #64748b;
    margin-bottom: 1rem;
}

/* Directory Filters */
.directory-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.search-box,
.filter-box {
    flex: 1;
    min-width: 200px;
}

.search-box input,
.filter-box select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e5e5e5;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.search-box input:focus,
.filter-box select:focus {
    outline: none;
    border-color: #2563eb;
}

/* Book Details */
.book-details {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-top: 2rem;
}

.book-cover {
    text-align: center;
}

.book-cover img {
    max-width: 300px;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.book-meta h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.book-meta .author {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 1rem;
}

.book-meta .category {
    display: inline-block;
    background: #e0e7ff;
    color: #3730a3;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-weight: 600;
    margin-bottom: 2rem;
}

.book-description {
    margin-bottom: 2rem;
    font-size: 1.125rem;
    line-height: 1.7;
    color: #374151;
}

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

.key-takeaways h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

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

.key-takeaways li {
    margin-bottom: 0.5rem;
    color: #374151;
}

.who-its-for {
    margin-bottom: 2rem;
}

.who-its-for h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.external-links {
    margin-bottom: 2rem;
}

.external-links h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.links-grid {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.external-link {
    display: inline-block;
    background: #2563eb;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.external-link:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

.disclaimer-notice {
    background: #fef3c7;
    border: 1px solid #fbbf24;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 2rem;
}

.disclaimer-notice p {
    color: #92400e;
    font-weight: 500;
    margin: 0;
}

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

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #374151;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e5e5e5;
    border-radius: 0.5rem;
    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: #2563eb;
}

.contact-info-section {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 1rem;
}

.contact-info h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1e293b;
}

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

.contact-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #374151;
}

.contact-item p {
    color: #64748b;
}

.contact-item a {
    color: #2563eb;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-note {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-top: 2rem;
}

.form-message {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
}

.form-message.success {
    background: #d1fae5;
    border: 1px solid #10b981;
    color: #065f46;
}

/* Content Pages */
.content-main {
    max-width: 800px;
    margin: 0 auto;
}

.content-main h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 2rem 0 1rem;
    color: #1e293b;
}

.content-main h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1.5rem 0 0.5rem;
    color: #374151;
}

.content-main p {
    margin-bottom: 1rem;
    line-height: 1.7;
    color: #374151;
}

.content-main ul {
    list-style: disc;
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.content-main li {
    margin-bottom: 0.5rem;
    color: #374151;
}

.content-main a {
    color: #2563eb;
}

.content-main a:hover {
    text-decoration: underline;
}

/* Breadcrumb */
.breadcrumb {
    margin: 2rem 0;
    color: #64748b;
}

.breadcrumb a {
    color: #2563eb;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 3rem;
    color: #64748b;
}

.book-not-found {
    text-align: center;
    padding: 4rem 2rem;
}

.book-not-found h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #1e293b;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #1e293b;
    color: white;
    padding: 1rem;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

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

.cookie-btn {
    background: #2563eb;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-weight: 600;
}

.cookie-btn:hover {
    background: #1d4ed8;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    font-size: 1.125rem;
}

.footer-section p {
    color: #cbd5e1;
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

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

.footer-section a {
    color: #cbd5e1;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #cbd5e1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .books-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .book-details {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .directory-filters {
        flex-direction: column;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .links-grid {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}

<!--