/* CSS Variables for Color Palette */
:root {
  --bright-gray: #E8E9EB;
  --light-gray: #D3D3D3;
  --medium-gray: #BEBEBE;
  --dark-gray: #A9A9A9;
  --stone-gray: #928E85;
  --slate-gray: #708090;
  --charcoal: #36454F;
  --deep-teal: #204d48;
  --dark-bluish-gray: #213337;
  --muted-teal: #3d565d;
  --warm-brown: #955f30;
  --dark-brown: #47220f;

  /* Theme Variables */
  --bg-primary: #ffffff;
  --bg-secondary: var(--bright-gray);
  --text-primary: var(--charcoal);
  --text-secondary: var(--slate-gray);
  --accent-primary: var(--deep-teal);
  --accent-secondary: var(--muted-teal);
  --border-color: var(--light-gray);
  --shadow: rgba(54, 69, 79, 0.1);
  --card-bg: #ffffff;

  /* Typography */
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-rtl: "Yekan", "Vazirmatn", "Vazir", "Noto Naskh Arabic", Tahoma, "Segoe UI", sans-serif;
}

/* Dark Theme — refined "night" palette
   - deeper navy background gives true low-light feel
   - card surface is clearly elevated above the background
   - vibrant teal accent (5fbfb4) pops against the dark base
   - hairline borders with soft white at 8% so edges read without harshness */
[data-theme="dark"] {
  --bg-primary: #0e1620;        /* deep night sky */
  --bg-secondary: #15212e;      /* subtle banded section */
  --text-primary: #e8eef3;      /* warm off-white */
  --text-secondary: #99adbe;    /* muted blue-gray */
  --accent-primary: #5fbfb4;    /* vibrant teal that pops */
  --accent-secondary: #3d9b94;  /* mid teal */
  --border-color: rgba(255, 255, 255, 0.08);
  --shadow: rgba(0, 0, 0, 0.55);
  --card-bg: #1a2532;           /* elevated card surface */
}

/* RTL Support */
[dir="rtl"] {
  font-family: var(--font-rtl);
}

[dir="ltr"] {
  font-family: var(--font-sans);
  font-optical-sizing: auto;
  font-style: normal;
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.6;
  font-feature-settings: "cv11", "ss01", "ss03";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: all 0.3s ease;
}

[dir="rtl"] body {
  font-family: var(--font-rtl);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  letter-spacing: -0.015em;
  line-height: 1.25;
}

[dir="rtl"] h1,
[dir="rtl"] h2,
[dir="rtl"] h3,
[dir="rtl"] h4,
[dir="rtl"] h5,
[dir="rtl"] h6 {
  font-family: var(--font-rtl);
  letter-spacing: 0;
}

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

/* Header Styles */
.header {
  background-color: var(--bg-primary);
  box-shadow: 0 2px 10px var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 20px;
}

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

.logo i {
  font-size: 2rem;
}

.nav-menu ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-primary);
  transition: width 0.3s ease;
}

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

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-toggle, .theme-toggle {
  background: var(--accent-primary);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.lang-toggle:hover, .theme-toggle:hover {
  background: var(--accent-secondary);
  transform: translateY(-2px);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
}

/* Page Header Styles */
.page-header {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  padding: 4rem 0;
  text-align: center;
}

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

.page-header-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.library-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
}

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

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  padding: 6rem 0;
  text-align: center;
}

.hero-content {
  /*max-width: 800px;*/
  max-width: 1200px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

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

/* Button Styles */
.btn {
  padding: 1rem 2rem;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--dark-brown);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(149, 95, 48, 0.4);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

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

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

/* Section Styles */
.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-primary);
  font-weight: bold;
}

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

/* Filter Styles */
.blog-filters, .library-filters {
  padding: 2rem 0;
  background-color: var(--bg-secondary);
}

.filter-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}

.search-box {
  position: relative;
  max-width: 400px;
  width: 100%;
}

.search-box i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
}

[dir="rtl"] .search-box i {
  left: auto;
  right: 1rem;
}

.search-box input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  border: 2px solid var(--border-color);
  border-radius: 25px;
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

[dir="rtl"] .search-box input {
  padding: 1rem 3rem 1rem 1rem;
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(32, 77, 72, 0.1);
}

.category-filters {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-primary);
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.filter-groups {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 150px;
}

.filter-group label {
  font-weight: 600;
  color: var(--text-primary);
}

.filter-group select {
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  background: var(--card-bg);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-group select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* Featured Article/Book Styles */
.featured-article, .featured-books {
  padding: 4rem 0;
  background-color: var(--bg-primary);
}

.featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

.featured-image {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
}

.featured-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.featured-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--warm-brown);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.875rem;
}

[dir="rtl"] .featured-badge {
  left: auto;
  right: 1rem;
}

.featured-content .article-category,
.featured-content .book-category {
  display: inline-block;
  background: var(--accent-primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 15px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.featured-content h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.featured-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.1rem;
  line-height: 1.6;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.author-name {
  font-weight: 600;
  color: var(--text-primary);
  display: block;
}

.publish-date {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.article-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.article-stats span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Featured Books Slider */
.featured-books-slider {
  max-width: 1000px;
  margin: 0 auto;
}

.featured-book-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 3rem;
  align-items: start;
}

.book-cover {
  position: relative;
}

.book-cover img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 10px 30px var(--shadow);
}

.book-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.5rem 1rem;
  border-radius: 15px;
  font-size: 0.875rem;
  font-weight: 600;
  color: white;
}

.book-badge.bestseller {
  background: var(--warm-brown);
}

.book-badge.new {
  background: var(--accent-primary);
}

[dir="rtl"] .book-badge {
  right: auto;
  left: 1rem;
}

.book-info h3 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.book-author {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-style: italic;
}

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

.stars {
  display: flex;
  gap: 0.25rem;
  color: #fbbf24;
}

.rating-score {
  font-weight: 600;
  color: var(--text-primary);
}

.rating-count {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.book-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.book-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.book-level {
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.875rem;
  font-weight: 600;
  color: white;
}

.book-level.beginner {
  background: #10b981;
}

.book-level.intermediate {
  background: #f59e0b;
}

.book-level.advanced {
  background: #ef4444;
}

.book-pages,
.book-downloads {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Articles Section */
.articles-section, .blog-articles {
  padding: 6rem 0;
  background-color: var(--bg-secondary);
}

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

.article-card {
  background: var(--card-bg);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px var(--shadow);
  transition: all 0.3s ease;
  cursor: pointer;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px var(--shadow);
}

.article-image {
  height: 200px;
  overflow: hidden;
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.article-card:hover .article-image img {
  transform: scale(1.05);
}

.article-content {
  padding: 1.5rem;
}

.article-category {
  margin-bottom: 1rem;
}

.article-category span {
  background: var(--accent-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.875rem;
  font-weight: 600;
}

.article-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.article-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.read-time {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* E-books Section */
.ebooks-section, .books-library {
  padding: 6rem 0;
  background-color: var(--bg-primary);
}

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

.ebook-card, .book-card {
  text-align: center;
  transition: transform 0.3s ease;
}

.ebook-card:hover, .book-card:hover {
  transform: translateY(-5px);
}

.ebook-cover, .book-card .book-cover {
  position: relative;
  margin-bottom: 1rem;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px var(--shadow);
}

.ebook-cover img, .book-card .book-cover img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.book-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.book-card:hover .book-overlay {
  opacity: 1;
}

.btn-download, .btn-preview {
  background: var(--accent-primary);
  color: white;
  border: none;
  padding: 0.75rem;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-download:hover, .btn-preview:hover {
  background: var(--accent-secondary);
  transform: scale(1.1);
}

.ebook-info, .book-card .book-info {
  padding: 0 1rem;
}

.ebook-info h3, .book-card .book-info h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.ebook-rating, .book-card .book-rating {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.ebook-rating .stars, .book-card .book-rating .stars {
  display: flex;
  gap: 0.25rem;
  color: #fbbf24;
}

.ebook-level, .book-card .book-level {
  background: var(--accent-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Community Section */
.community-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--deep-teal), var(--muted-teal));
  color: white;
}

.community-section .section-title {
  color: white;
}

.community-description {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 3rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.community-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.telegram-btn {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 15px;
  text-decoration: none;
  color: white;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.telegram-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.telegram-btn i {
  font-size: 3rem;
  opacity: 0.9;
}

.telegram-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.telegram-info p {
  opacity: 0.8;
  margin-bottom: 0.5rem;
}

.member-count {
  font-size: 0.875rem;
  opacity: 0.7;
  font-weight: 600;
}

/* Newsletter Section */
.newsletter-section {
  padding: 4rem 0;
  background: var(--bg-primary);
  text-align: center;
}

.newsletter-content h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.newsletter-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.newsletter-form {
  display: flex;
  gap: 1rem;
  max-width: 400px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 25px;
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 1rem;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* Reading Progress Section */
.reading-progress {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.progress-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.progress-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 20px var(--shadow);
  transition: transform 0.3s ease;
}

.progress-card:hover {
  transform: translateY(-5px);
}

.progress-icon {
  background: var(--accent-primary);
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
}

.progress-info h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.progress-number {
  font-size: 2rem;
  font-weight: bold;
  color: var(--accent-primary);
  display: block;
  margin-bottom: 0.5rem;
}

.progress-info p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Load More Section */
.load-more-section {
  text-align: center;
  margin-top: 3rem;
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  margin-top: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 3rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

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

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

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--accent-primary);
}

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

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--accent-primary);
  color: white;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--accent-secondary);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.footer-controls {
  display: flex;
  gap: 1rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

  .hero {
    padding: 5rem 0;
  }

  .hero-title {
    font-size: 3rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .page-header {
    padding: 3rem 0;
  }

  .page-header-content h1 {
    font-size: 2.5rem;
  }

  .articles-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
  }

  .ebooks-grid,
  .books-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
  }

  .filter-controls {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .category-filters {
    flex-wrap: wrap;
  }

  .community-buttons {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    box-shadow: 0 5px 20px var(--shadow);
    padding: 1rem;
  }

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

  .nav-menu ul {
    flex-direction: column;
    gap: 1rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .page-header-content h1 {
    font-size: 2.5rem;
  }

  .library-stats {
    gap: 1.5rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .featured-card,
  .featured-book-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

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

  .filter-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    width: 100%;
  }

  .search-box input {
    width: 100%;
  }

  .filter-groups {
    flex-direction: column;
    align-items: center;
  }

  .category-filters {
    justify-content: center;
  }

  .community-buttons {
    grid-template-columns: 1fr;
  }

  .telegram-btn {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

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

  .hero {
    padding: 4rem 0;
  }

  .hero-title {
    font-size: 2rem;
  }

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

  .section-title {
    font-size: 2rem;
  }

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

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

  .library-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .filter-groups {
    gap: 1rem;
  }

  .filter-group {
    min-width: 120px;
  }
}

/* RTL Specific Styles */
[dir="rtl"] .nav-menu ul {
  direction: rtl;
}

[dir="rtl"] .hero-buttons {
  direction: rtl;
}

[dir="rtl"] .article-content,
[dir="rtl"] .ebook-info,
[dir="rtl"] .book-info,
[dir="rtl"] .telegram-info {
  text-align: right;
}

[dir="rtl"] .telegram-btn {
  flex-direction: row-reverse;
}

[dir="rtl"] .footer-content {
  direction: rtl;
}

[dir="rtl"] .social-links {
  direction: ltr;
}

[dir="rtl"] .article-meta,
[dir="rtl"] .book-meta {
  direction: rtl;
}

[dir="rtl"] .author-info {
  flex-direction: row-reverse;
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Loading Animation */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Hidden class for filtering */
.hidden {
  display: none !important;
}

/* Notification Styles */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--accent-primary);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 10000;
  box-shadow: 0 5px 20px var(--shadow);
}

.notification.show {
  transform: translateX(0);
}

.notification-success {
  background: #10b981;
}

.notification-error {
  background: #ef4444;
}

.header.scrolled {
  box-shadow: 0 5px 20px var(--shadow);
}

@media (max-width: 768px) {
  .notification {
    right: 10px;
    left: 10px;
    transform: translateY(-100%);
  }

  .notification.show {
    transform: translateY(0);
  }
}