/* ===== KIWIBOOKS - BOOK PROMOTION WEBSITE ===== */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2d5016;
    --primary-dark: #1e3a0f;
    --primary-light: #4a7c23;
    --secondary: #8bc34a;
    --accent: #f4a261;
    --dark: #1a1a2e;
    --light: #f8f9fa;
    --gray: #6c757d;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.7;
    color: var(--dark);
    background: var(--light);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

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

/* ===== HEADER & NAVIGATION ===== */
header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.logo span {
    color: var(--accent);
}

.logo svg {
    width: 40px;
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-links a {
    font-weight: 500;
    color: var(--dark);
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-cta {
    background: var(--primary);
    color: var(--white) !important;
    padding: 10px 25px;
    border-radius: 25px;
}

.nav-cta:hover {
    background: var(--primary-dark);
}

.nav-cta::after {
    display: none !important;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 50%, #fff8e1 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 25px;
    color: var(--dark);
}

.hero-content h1 span {
    color: var(--primary);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 35px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 50px;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary);
    font-weight: 700;
}

.stat-item p {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 0;
}

/* ===== SECTIONS COMMON ===== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header span {
    display: inline-block;
    background: rgba(45, 80, 22, 0.1);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
}

.section-header p {
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* ===== FEATURED BOOKS ===== */
.featured-books {
    background: var(--white);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.book-card {
    background: var(--light);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.book-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.book-cover {
    height: 280px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.book-cover img {
    width: 140px;
    height: 200px;
    object-fit: cover;
    box-shadow: 5px 5px 20px rgba(0,0,0,0.3);
    transition: var(--transition);
}

.book-card:hover .book-cover img {
    transform: scale(1.05);
}

.book-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--accent);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.book-info {
    padding: 25px;
}

.book-info h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--dark);
}

.book-info .author {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.book-info .price {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.book-info .price span {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

.book-info .price .old-price {
    font-size: 1rem;
    color: var(--gray);
    text-decoration: line-through;
    font-weight: 400;
}

.book-info .add-cart {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.book-info .add-cart:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

/* ===== CATEGORIES ===== */
.categories {
    background: var(--light);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.category-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.category-card:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-5px);
}

.category-card .icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(45, 80, 22, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.5rem;
    transition: var(--transition);
}

.category-card:hover .icon {
    background: rgba(255,255,255,0.2);
}

.category-card h4 {
    font-size: 1rem;
    font-weight: 600;
}

/* ===== ABOUT PREVIEW ===== */
.about-preview {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.about-image .experience-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--accent);
    color: var(--white);
    padding: 25px 35px;
    border-radius: var(--radius);
    text-align: center;
}

.experience-badge h3 {
    font-size: 2.5rem;
    font-weight: 700;
}

.experience-badge p {
    font-size: 0.9rem;
}

.about-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark);
}

.about-content > p {
    color: var(--gray);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-item .check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--secondary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.testimonials .section-header span {
    background: rgba(255,255,255,0.2);
    color: var(--white);
}

.testimonials .section-header h2,
.testimonials .section-header p {
    color: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 35px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.testimonial-card:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-5px);
}

.testimonial-card .stars {
    color: var(--accent);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 25px;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    font-weight: 600;
}

.testimonial-author span {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* ===== NEWSLETTER ===== */
.newsletter {
    background: var(--light);
}

.newsletter-box {
    background: var(--white);
    padding: 60px;
    border-radius: var(--radius);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    box-shadow: var(--shadow);
}

.newsletter-content h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.newsletter-content p {
    color: var(--gray);
}

.newsletter-form {
    display: flex;
    gap: 15px;
}

.newsletter-form input {
    flex: 1;
    padding: 18px 25px;
    border: 2px solid #e0e0e0;
    border-radius: 30px;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.newsletter-form input:focus {
    border-color: var(--primary);
}

.newsletter-form button {
    padding: 18px 35px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--primary-dark);
}

/* ===== FOOTER ===== */
footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-about .logo {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-about p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 25px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
}

.footer-links h4 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: var(--white);
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: rgba(255,255,255,0.7);
}

.footer-links ul li a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.7);
}

.footer-bottom-links {
    display: flex;
    gap: 30px;
}

.footer-bottom-links a {
    color: rgba(255,255,255,0.7);
}

.footer-bottom-links a:hover {
    color: var(--white);
}

/* ===== PAGE HEADERS ===== */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 150px 0 80px;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-header .breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    color: rgba(255,255,255,0.8);
}

.page-header .breadcrumb a {
    color: rgba(255,255,255,0.8);
}

.page-header .breadcrumb a:hover {
    color: var(--white);
}

/* ===== STORE PAGE ===== */
.store-section {
    padding: 80px 0;
}

.store-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
}

.store-sidebar {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    height: fit-content;
    box-shadow: var(--shadow);
}

.filter-group {
    margin-bottom: 30px;
}

.filter-group h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.filter-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    cursor: pointer;
    color: var(--gray);
}

.filter-group input[type="checkbox"] {
    accent-color: var(--primary);
}

.price-range {
    display: flex;
    gap: 10px;
}

.price-range input {
    width: 100%;
    padding: 10px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    outline: none;
}

.store-products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* ===== PRODUCT PAGE ===== */
.product-detail {
    padding: 80px 0;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-gallery {
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 100%);
    padding: 50px;
    border-radius: var(--radius);
    text-align: center;
}

.product-gallery img {
    max-width: 300px;
    box-shadow: 10px 10px 30px rgba(0,0,0,0.2);
}

.product-info h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.product-info .author {
    color: var(--gray);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.product-info .rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
}

.product-info .rating .stars {
    color: var(--accent);
}

.product-info .rating span {
    color: var(--gray);
}

.product-info .price-box {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.product-info .price-box .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.product-info .price-box .old-price {
    font-size: 1.3rem;
    color: var(--gray);
    text-decoration: line-through;
}

.product-info .description {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 30px;
}

.product-meta {
    background: var(--light);
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 30px;
}

.product-meta p {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #e0e0e0;
}

.product-meta p:last-child {
    border-bottom: none;
}

.product-meta strong {
    color: var(--dark);
}

.product-actions {
    display: flex;
    gap: 15px;
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 2px solid #e0e0e0;
    border-radius: 30px;
    overflow: hidden;
}

.quantity-selector button {
    width: 45px;
    height: 45px;
    border: none;
    background: transparent;
    font-size: 1.2rem;
    cursor: pointer;
}

.quantity-selector input {
    width: 50px;
    text-align: center;
    border: none;
    font-size: 1rem;
    font-weight: 600;
}

/* ===== ABOUT PAGE ===== */
.about-section {
    padding: 80px 0;
}

.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.about-intro img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.about-intro h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.about-intro p {
    color: var(--gray);
    margin-bottom: 15px;
    line-height: 1.8;
}

.team-section {
    text-align: center;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.team-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-10px);
}

.team-card img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
}

.team-card h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--dark);
}

.team-card span {
    color: var(--primary);
    font-size: 0.9rem;
}

/* ===== BLOG PAGE ===== */
.blog-section {
    padding: 80px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-10px);
}

.blog-card .image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

.blog-card .content {
    padding: 25px;
}

.blog-card .meta {
    display: flex;
    gap: 20px;
    color: var(--gray);
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.blog-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--dark);
    transition: var(--transition);
}

.blog-card:hover h3 {
    color: var(--primary);
}

.blog-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ===== CONTACT PAGE ===== */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info {
    background: var(--primary);
    color: var(--white);
    padding: 50px;
    border-radius: var(--radius);
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-info > p {
    opacity: 0.9;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item .icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-item h4 {
    margin-bottom: 5px;
}

.contact-item p {
    opacity: 0.9;
    font-size: 0.95rem;
}

.contact-form {
    background: var(--white);
    padding: 50px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.contact-form h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--dark);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ===== AUTHORS PAGE ===== */
.authors-section {
    padding: 80px 0;
}

.authors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.author-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.author-card:hover {
    transform: translateY(-10px);
}

.author-card .image {
    height: 250px;
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-card .image img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--white);
}

.author-card .info {
    padding: 30px;
    text-align: center;
}

.author-card h3 {
    font-size: 1.4rem;
    margin-bottom: 5px;
    color: var(--dark);
}

.author-card .genre {
    color: var(--primary);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.author-card p {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.author-card .books-count {
    display: inline-block;
    background: var(--light);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    color: var(--primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .hero-content p {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .books-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .store-sidebar {
        display: none;
    }

    .store-products {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .about-intro {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .authors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .books-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .newsletter-box {
        grid-template-columns: 1fr;
        padding: 40px;
    }

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

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

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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

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

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

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

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }

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

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

    .store-products {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .product-actions {
        flex-direction: column;
    }
}