/* ============================================
   TEPEFFRIAR - MODERN E-BOOK BUSINESS WEBSITE
   ============================================ */

/* === ROOT VARIABLES === */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #38b2ac;
    --dark-color: #2d3748;
    --light-color: #f7fafc;
    --gray-color: #718096;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #4fd1c5 0%, #38b2ac 100%);
    
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
}

/* === RESET & BASE STYLES === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #fff;
}

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

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

ul {
    list-style: none;
}

/* === CONTAINER & LAYOUT === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* === HEADER & NAVIGATION === */
.header {
    background: #fff;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.8rem;
}

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

.nav-menu a {
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    border-radius: 3px;
    transition: var(--transition-medium);
}

/* === HERO SECTION === */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.abstract-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 3rem 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #2d3748;
    text-shadow: 2px 2px 4px rgba(255,255,255,0.9), 0 0 20px rgba(255,255,255,0.6);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #2d3748;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 3px rgba(255,255,255,0.8), 0 0 15px rgba(255,255,255,0.5);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition-medium);
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gradient-accent);
    color: #fff;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: #fff;
}

.btn-lg {
    padding: 1.1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-small {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* === SECTIONS === */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* === STATS SECTION === */
.stats-section {
    background: var(--gradient-primary);
    color: #fff;
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-card {
    text-align: center;
}

.stat-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.stat-card h3 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-card p {
    font-size: 1.1rem;
    opacity: 0.95;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1rem;
    color: var(--gray-color);
    font-size: 1.05rem;
}

.about-visual svg {
    max-width: 100%;
    height: auto;
}

/* === CATEGORIES === */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.category-card {
    background: #fff;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-medium);
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-card i {
    font-size: 3.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.category-card p {
    color: var(--gray-color);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.card-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.card-link:hover {
    gap: 0.8rem;
}

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

.book-card {
    background: #fff;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-medium);
    position: relative;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.book-card.featured {
    background: var(--gradient-primary);
    color: #fff;
}

.book-card.featured h3,
.book-card.featured p {
    color: #fff;
}

.badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent-color);
    color: #fff;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.book-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.book-card.featured .book-icon {
    background: rgba(255,255,255,0.2);
}

.book-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.book-card.featured .book-icon i {
    color: #fff;
}

.book-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.book-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.book-card.featured .book-price {
    color: #fff;
}

.book-rating {
    margin-top: 1.5rem;
    color: #fbbf24;
}

.book-rating span {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray-color);
}

.book-card.featured .book-rating span {
    color: rgba(255,255,255,0.9);
}

/* === TESTIMONIALS === */
.testimonials {
    background: var(--light-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.testimonial-rating {
    color: #fbbf24;
    margin-bottom: 1rem;
}

.testimonial-card p {
    color: var(--gray-color);
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author i {
    font-size: 3rem;
    color: var(--primary-color);
}

.testimonial-author strong {
    display: block;
    color: var(--dark-color);
}

.testimonial-author span {
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* === BLOG PREVIEW & MAIN === */
.blog-grid,
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card,
.article-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-medium);
}

.blog-card:hover,
.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.blog-icon,
.article-icon-medium {
    width: 100%;
    height: 180px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-icon i,
.article-icon-medium i {
    font-size: 4rem;
    color: #fff;
}

.blog-card > div:last-of-type,
.article-card > div:last-of-type {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--gray-color);
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.blog-card h3,
.article-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.blog-card p,
.article-card p {
    color: var(--gray-color);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.blog-link,
.article-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-link:hover,
.article-link:hover {
    gap: 0.8rem;
}

/* === NEWSLETTER === */
.newsletter {
    background: var(--dark-color);
    color: #fff;
}

.newsletter-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    flex-wrap: wrap;
}

.newsletter-text {
    flex: 1;
    min-width: 280px;
}

.newsletter-text i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.newsletter-text h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.newsletter-form {
    flex: 1;
    min-width: 300px;
    display: flex;
    gap: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
}

/* === CTA SECTION === */
.cta-section {
    position: relative;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    text-align: center;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--gray-color);
    margin-bottom: 2rem;
}

/* === FOOTER === */
.footer {
    background: var(--dark-color);
    color: #fff;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-col p {
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: rgba(255,255,255,0.8);
}

.footer-col ul li a:hover {
    color: #fff;
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
}

.contact-info i {
    color: var(--primary-color);
    margin-top: 3px;
}

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

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

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
}

/* === PAGE HEADER === */
.page-header {
    background: var(--gradient-primary);
    color: #fff;
    text-align: center;
    padding: 5rem 0 3rem;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* === CONTACT PAGE === */
.contact-section {
    padding: 4rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info-box h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.contact-details {
    margin: 3rem 0;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.contact-item span {
    color: var(--gray-color);
    font-size: 0.9rem;
}

.social-contact h3 {
    margin-bottom: 1rem;
}

.social-links-large {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.social-links-large a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.2rem;
    background: var(--light-color);
    border-radius: 8px;
    transition: var(--transition-medium);
}

.social-links-large a:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateX(5px);
}

.contact-form-box {
    background: var(--light-color);
    padding: 2.5rem;
    border-radius: 12px;
}

.contact-form-box h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

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

.contact-form label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.9rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-medium);
}

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

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* === MAP & FAQ === */
.map-placeholder {
    margin-top: 2rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.faq-section {
    background: var(--light-color);
}

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

.faq-item {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.faq-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.faq-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.faq-item p {
    color: var(--gray-color);
    line-height: 1.7;
}

/* === SERVICES PAGE === */
.services-intro {
    text-align: center;
    padding: 3rem 0;
    background: var(--light-color);
}

.intro-content svg {
    max-width: 600px;
    margin: 0 auto 2rem;
}

.intro-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--gray-color);
    line-height: 1.8;
}

.service-detail {
    padding: 4rem 0;
}

.service-detail.alt-bg {
    background: var(--light-color);
}

.service-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.service-grid.reverse {
    direction: rtl;
}

.service-grid.reverse > * {
    direction: ltr;
}

.service-icon {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.service-icon i {
    font-size: 3rem;
    color: #fff;
}

.service-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.service-content p {
    color: var(--gray-color);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    margin-top: 1.5rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--gray-color);
}

.service-features i {
    color: var(--success-color);
    font-size: 1.2rem;
}

.service-books {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.book-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-medium);
}

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

.book-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.book-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.book-item .price {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.2rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.benefit-card {
    text-align: center;
    padding: 2rem;
}

.benefit-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--gray-color);
}

/* === ABOUT PAGE === */
.about-story {
    padding: 4rem 0;
}

.about-text h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--gray-color);
    line-height: 1.8;
    margin-bottom: 1.2rem;
}

.mission-vision {
    background: var(--light-color);
}

.mv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.mv-card {
    background: #fff;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.mv-card i {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.mv-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.mv-card p {
    color: var(--gray-color);
    line-height: 1.8;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.value-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-medium);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.value-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.value-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.value-card p {
    color: var(--gray-color);
    line-height: 1.7;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.team-member {
    text-align: center;
    padding: 2rem;
}

.member-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.member-icon i {
    font-size: 3rem;
    color: #fff;
}

.team-member h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.member-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-member p {
    color: var(--gray-color);
    line-height: 1.7;
}

/* === BLOG PAGE === */
.blog-main {
    padding: 4rem 0;
}

.article-featured {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    background: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 3rem;
    align-items: start;
}

.article-icon-large {
    width: 150px;
    height: 150px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.article-icon-large i {
    font-size: 5rem;
    color: #fff;
}

.article-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.article-content p {
    color: var(--gray-color);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* === ARTICLE PAGE === */
.article-page {
    background: #fff;
}

.article-header {
    background: var(--gradient-primary);
    color: #fff;
    padding: 4rem 0 3rem;
    text-align: center;
}

.article-header-icon {
    width: 120px;
    height: 120px;
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.article-header-icon i {
    font-size: 4rem;
}

.article-header h1 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.article-meta-large {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    margin-top: 1.5rem;
    opacity: 0.95;
}

.article-meta-large span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 3rem;
    padding: 4rem 0;
}

.article-main-content {
    max-width: 800px;
}

.article-intro {
    margin-bottom: 2rem;
}

.lead {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--gray-color);
}

.article-visual {
    width: 100%;
    height: auto;
    margin: 2rem 0;
    border-radius: 12px;
}

.article-main-content h2 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1.5rem;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.article-main-content h2 i {
    color: var(--primary-color);
}

.article-main-content h3 {
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.article-main-content p {
    margin-bottom: 1.2rem;
    line-height: 1.9;
    color: var(--gray-color);
}

.article-main-content ul {
    margin: 1.5rem 0 1.5rem 2rem;
    list-style: disc;
}

.article-main-content li {
    margin-bottom: 0.8rem;
    color: var(--gray-color);
    line-height: 1.8;
}

.article-main-content strong {
    color: var(--dark-color);
}

.article-conclusion {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    margin: 2rem 0;
}

.article-conclusion i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.article-conclusion p {
    margin-bottom: 0;
}

.article-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-widget {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.sidebar-widget h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

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

.author-info i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.author-info h4 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.author-info p {
    color: var(--gray-color);
    line-height: 1.7;
}

.related-topics li {
    display: inline-block;
    margin: 0.3rem;
    padding: 0.5rem 1rem;
    background: #fff;
    border-radius: 20px;
    font-size: 0.9rem;
}

.related-topics i {
    color: var(--primary-color);
    margin-right: 0.3rem;
}

.related-articles li {
    margin-bottom: 1rem;
}

.related-articles a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: #fff;
    border-radius: 8px;
    transition: var(--transition-medium);
}

.related-articles a:hover {
    background: var(--primary-color);
    color: #fff;
}

.related-articles i {
    color: var(--primary-color);
}

.related-articles a:hover i {
    color: #fff;
}

.cta-widget {
    background: var(--gradient-primary);
    color: #fff;
    text-align: center;
}

.cta-widget i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-widget h3,
.cta-widget p {
    color: #fff;
}

.article-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin: 3rem 0;
    flex-wrap: wrap;
}

/* === THANK YOU PAGE === */
.thankyou-section {
    padding: 5rem 0;
    text-align: center;
}

.thankyou-content {
    max-width: 700px;
    margin: 0 auto;
}

.thankyou-icon {
    width: 120px;
    height: 120px;
    background: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.thankyou-icon i {
    font-size: 4rem;
    color: #fff;
}

.thankyou-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.thankyou-message {
    font-size: 1.3rem;
    color: var(--gray-color);
    margin-bottom: 2rem;
}

.thankyou-details {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
}

.thankyou-graphic {
    max-width: 400px;
    margin: 2rem auto;
}

.thankyou-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.thankyou-info {
    margin-top: 3rem;
}

.thankyou-info h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.info-item {
    text-align: center;
    padding: 1.5rem;
}

.info-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.info-item p {
    color: var(--gray-color);
}

/* === COOKIE CONSENT === */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    padding: 1.5rem;
    z-index: 9999;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

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

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.cookie-content i {
    font-size: 3rem;
    color: var(--accent-color);
}

.cookie-text {
    flex: 1;
    min-width: 280px;
}

.cookie-text h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.cookie-text p {
    color: var(--gray-color);
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 1rem;
}

.cookie-modal.show {
    display: flex;
}

.cookie-modal-content {
    background: #fff;
    padding: 3rem;
    border-radius: 12px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.cookie-modal-content h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.cookie-option {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.cookie-option:last-of-type {
    border-bottom: none;
}

.cookie-option-header label {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
}

.cookie-option input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.cookie-option p {
    margin-top: 0.8rem;
    margin-left: 2.5rem;
    color: var(--gray-color);
}

.cookie-modal-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: #fff;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-medium);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-grid,
    .service-grid,
    .mv-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .article-content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .article-sidebar {
        position: static;
    }
    
    .article-featured {
        grid-template-columns: 1fr;
    }
    
    .article-icon-large {
        margin: 0 auto;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .newsletter-content {
        flex-direction: column;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        width: 100%;
        flex-direction: column;
    }
    
    .cookie-buttons .btn {
        width: 100%;
    }
    
    .article-navigation {
        flex-direction: column;
    }
}