/* Modern Library Website Styles */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
    padding-top: 140px; /* Account for fixed header */
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
  }
  
  /* Typography */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
  }
  
  h1 {
    font-size: 3rem;
  }
  h2 {
    font-size: 2.5rem;
  }
  h3 {
    font-size: 2rem;
  }
  h4 {
    font-size: 1.5rem;
  }
  h5 {
    font-size: 1.25rem;
  }
  h6 {
    font-size: 1rem;
  }
  
  p {
    margin-bottom: 1rem;
    color: #6b7280;
  }
  
  a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
  }
  
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
  }
  
  .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
  }
  
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
  }
  
  .btn-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
  }
  
  .btn-outline:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
  }
  
  .btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
  }
  
  .btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
  
  /* Messages */
  .messages {
    position: fixed;
    top: 140px;
    right: 20px;
    z-index: 1000;
    max-width: 400px;
  }
  
  .alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    position: relative;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  }
  
  .alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid #10b981;
  }
  
  .alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid #ef4444;
  }
  
  .alert-info {
    background: #dbeafe;
    color: #1e40af;
    border-left: 4px solid #3b82f6;
  }
  
  .alert .close {
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.7;
  }
  
  /* Header */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
  }
  
  .header-top {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.5rem 0;
    font-size: 0.875rem;
  }
  
  .header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .contact-info {
    display: flex;
    gap: 2rem;
  }
  
  .contact-info span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .social-links {
    display: flex;
    gap: 1rem;
  }
  
  .social-link {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
  }
  
  .social-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
  }
  
  /* Navbar */
  .navbar {
    padding: 1rem 0;
    background-color: #ffffff;
  }
  
  .navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .navbar-brand .logo {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .navbar-brand .logo i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .logo-text {
    display: flex;
    flex-direction: column;
  }
  
  .logo-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
  }
  
  .logo-subtitle {
    font-size: 0.875rem;
    color: #6b7280;
  }
  
  .navbar-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  
  .navbar-nav {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
  }
  
  .nav-item {
    position: relative;
  }
  
  .nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: #374151;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
  }
  
  .nav-link:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
  }
  
  /* Dropdown */
  .dropdown {
    position: relative;
  }
  
  .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    padding: 0.5rem 0;
  }
  
  .dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: #374151;
    transition: all 0.3s ease;
  }
  
  .dropdown-item:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
  }
  
  /* Search */
  .navbar-search {
    position: relative;
  }
  
  .search-form {
    position: relative;
  }
  
  .search-input {
    position: relative;
    display: flex;
    align-items: center;
  }
  
  .search-input input {
    width: 250px;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 25px;
    outline: none;
    transition: all 0.3s ease;
    background: #f9fafb;
  }
  
  .search-input input:focus {
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  }
  
  .search-input button {
    position: absolute;
    right: 5px;
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  .search-input button:hover {
    transform: scale(1.1);
  }
  
  /* Mobile Menu */
  .mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
  }
  
  .mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #374151;
    border-radius: 2px;
    transition: all 0.3s ease;
  }
  
  /* Hero Section */
  .hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin-top: -140px;
    padding-top: 140px;
  }
  
  .hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
  }
  
  .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
  }
  
  .hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
      radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
      radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
  }
  
  @keyframes float {
    0%,
    100% {
      transform: translateY(0px);
    }
    50% {
      transform: translateY(-20px);
    }
  }
  
  .hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    color: white;
  }
  
  .hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
  }
  
  .title-line {
    display: block;
  }
  
  .highlight {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .hero-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
  }
  
  .hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
  }
  
  .stat-item {
    text-align: center;
  }
  
  .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #fbbf24;
  }
  
  .stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
  }
  
  .hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
  }
  
  .hero-visual {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .hero-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
  }
  
  .hero-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
  }
  
  .card-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fbbf24;
  }
  
  .hero-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
  }
  
  .hero-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
  }
  
  .hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
  }
  
  .scroll-indicator {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    animation: bounce 2s infinite;
    cursor: pointer;
  }
  
  @keyframes bounce {
    0%,
    20%,
    50%,
    80%,
    100% {
      transform: translateY(0);
    }
    40% {
      transform: translateY(-10px);
    }
    60% {
      transform: translateY(-5px);
    }
  }
  
  /* Sections */
  .section-header {
    text-align: center;
    margin-bottom: 4rem;
  }
  
  .section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
  }
  
  .section-description {
    font-size: 1.1rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .section-footer {
    text-align: center;
    margin-top: 3rem;
  }
  
  /* Features Section */
  .features {
    padding: 6rem 0;
    background: #f9fafb;
  }
  
  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
  }
  
  .feature-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
  }
  
  .feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  }
  
  .feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto 1.5rem;
  }
  
  .feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
  }
  
  .feature-description {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
  }
  
  .feature-link {
    color: #667eea;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
  }
  
  .feature-link:hover {
    color: #764ba2;
    transform: translateX(5px);
  }
  
  /* Popular Books Section */
  .popular-books {
    padding: 6rem 0;
    background: white;
  }
  
  .books-slider {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
  }
  
  .books-track {
    display: flex;
    gap: 2rem;
    transition: transform 0.5s ease;
  }
  
  .book-slide {
    flex: 0 0 300px;
  }
  
  .book-card-modern {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
  }
  
  .book-card-modern:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  }
  
  .book-image {
    position: relative;
    height: 250px;
    overflow: hidden;
  }
  
  .book-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }
  
  .book-card-modern:hover .book-image img {
    transform: scale(1.1);
  }
  
  .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;
    opacity: 0;
    transition: all 0.3s ease;
  }
  
  .book-card-modern:hover .book-overlay {
    opacity: 1;
  }
  
  .book-actions {
    display: flex;
    gap: 1rem;
  }
  
  .action-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    transition: all 0.3s ease;
  }
  
  .action-btn:hover {
    background: white;
    transform: scale(1.1);
  }
  
  .book-rating {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.5rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
  }
  
  .book-rating i {
    color: #fbbf24;
  }
  
  .book-info {
    padding: 1.5rem;
  }
  
  .book-category {
    color: #667eea;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
  }
  
  .book-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
  }
  
  .book-title a {
    color: #1f2937;
    transition: color 0.3s ease;
  }
  
  .book-title a:hover {
    color: #667eea;
  }
  
  .book-author {
    color: #6b7280;
    margin-bottom: 1rem;
  }
  
  .book-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: #6b7280;
  }
  
  .stat {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }
  
  /* Slider Controls */
  .slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    pointer-events: none;
  }
  
  .slider-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    color: #667eea;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: all;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  }
  
  .slider-btn:hover {
    background: white;
    transform: scale(1.1);
  }
  
  /* Categories Section */
  .categories {
    padding: 6rem 0;
    background: #f9fafb;
  }
  
  .categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
  }
  
  .category-card {
    position: relative;
    height: 300px;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  .category-card:hover {
    transform: translateY(-10px);
  }
  
  .category-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }
  
  .category-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }
  
  .category-card:hover .category-background img {
    transform: scale(1.1);
  }
  
  .category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%);
  }
  
  .category-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 2rem;
  }
  
  .category-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1rem;
  }
  
  .category-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
  }
  
  .category-description {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
  }
  
  .category-stats {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
  }
  
  .category-link {
    color: white;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    transition: all 0.3s ease;
  }
  
  .category-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
  }
  
  /* Latest News Section */
  .latest-news {
    padding: 6rem 0;
    background: white;
  }
  
  .news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
  }
  
  .news-card-modern {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
  }
  
  .news-card-modern:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  }
  
  .news-image {
    position: relative;
    height: 200px;
    overflow: hidden;
  }
  
  .news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }
  
  .news-card-modern:hover .news-image img {
    transform: scale(1.1);
  }
  
  .news-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(102, 126, 234, 0.9);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .news-content {
    padding: 1.5rem;
  }
  
  .news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: #6b7280;
  }
  
  .news-date,
  .news-views {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }
  
  .news-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
  }
  
  .news-title a {
    color: #1f2937;
    transition: color 0.3s ease;
  }
  
  .news-title a:hover {
    color: #667eea;
  }
  
  .news-excerpt {
    color: #6b7280;
    margin-bottom: 1rem;
    line-height: 1.6;
  }
  
  .news-link {
    color: #667eea;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
  }
  
  .news-link:hover {
    color: #764ba2;
    transform: translateX(5px);
  }
  
  /* CTA Section */
  .cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
  }
  
  .cta-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: center;
    text-align: center;
  }
  
  .cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
  }
  
  .cta-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
  }
  
  .cta-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
  }
  
  .cta .btn-primary {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
  }
  
  .cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
  }
  
  .cta .btn-outline {
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
  }
  
  .cta .btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
  }
  
  /* Footer */
  .footer {
    background: #1f2937;
    color: white;
  }
  
  .footer-main {
    padding: 4rem 0 2rem;
  }
  
  .footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
  }
  
  .footer-section h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
  }
  
  .footer-logo .logo {
    margin-bottom: 1rem;
  }
  
  .footer-logo .logo i {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .footer-description {
    color: #9ca3af;
    margin-bottom: 1.5rem;
    line-height: 1.6;
  }
  
  .footer-social {
    display: flex;
    gap: 1rem;
  }
  
  .footer-social .social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
  }
  
  .footer-social .social-link:hover {
    background: #667eea;
    transform: translateY(-2px);
  }
  
  .footer-links {
    list-style: none;
  }
  
  .footer-links li {
    margin-bottom: 0.75rem;
  }
  
  .footer-links a {
    color: #9ca3af;
    transition: color 0.3s ease;
  }
  
  .footer-links a:hover {
    color: white;
  }
  
  .contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: #9ca3af;
  }
  
  .contact-item i {
    color: #667eea;
    width: 20px;
  }
  
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
  }
  
  .footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #9ca3af;
    font-size: 0.875rem;
  }
  
  .footer-bottom-links {
    display: flex;
    gap: 2rem;
  }
  
  .footer-bottom-links a {
    color: #9ca3af;
    transition: color 0.3s ease;
  }
  
  .footer-bottom-links a:hover {
    color: white;
  }
  
  /* Responsive Design */
  @media (max-width: 1024px) {
    .hero-content {
      grid-template-columns: 1fr;
      gap: 3rem;
      text-align: center;
    }
  
    .hero-title {
      font-size: 3rem;
    }
  
    .categories-grid {
      grid-template-columns: 1fr;
    }
  
    .cta-content {
      grid-template-columns: 1fr;
      text-align: center;
    }
  }
  
  @media (max-width: 768px) {
    body {
      padding-top: 80px;
    }
  
    .header-top {
      display: none;
    }
  
    .navbar-menu {
      position: fixed;
      top: 80px;
      left: 0;
      right: 0;
      background: white;
      flex-direction: column;
      padding: 2rem;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
      transform: translateY(-100%);
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
    }
  
    .navbar-menu.active {
      transform: translateY(0);
      opacity: 1;
      visibility: visible;
    }
  
    .navbar-nav {
      flex-direction: column;
      width: 100%;
      gap: 0;
    }
  
    .nav-link {
      padding: 1rem;
      border-bottom: 1px solid #f3f4f6;
    }
  
    .navbar-search {
      width: 100%;
      margin-top: 1rem;
    }
  
    .search-input input {
      width: 100%;
    }
  
    .mobile-menu-toggle {
      display: flex;
    }
  
    .hero {
      margin-top: -80px;
      padding-top: 80px;
    }
  
    .hero-title {
      font-size: 2.5rem;
    }
  
    .hero-stats {
      justify-content: center;
    }
  
    .hero-actions {
      justify-content: center;
    }
  
    .section-title {
      font-size: 2rem;
    }
  
    .features-grid {
      grid-template-columns: 1fr;
    }
  
    .books-track {
      gap: 1rem;
    }
  
    .book-slide {
      flex: 0 0 280px;
    }
  
    .news-grid {
      grid-template-columns: 1fr;
    }
  }
  
  @media (max-width: 480px) {
    .container {
      padding: 0 0.75rem;
    }
  
    .hero-title {
      font-size: 2rem;
    }
  
    .hero-description {
      font-size: 1rem;
    }
  
    .hero-stats {
      flex-direction: column;
      gap: 1rem;
    }
  
    .hero-actions {
      flex-direction: column;
      align-items: center;
    }
  
    .btn-lg {
      width: 100%;
      justify-content: center;
    }
  
    .feature-card {
      padding: 2rem;
    }
  
    .book-slide {
      flex: 0 0 250px;
    }
  
    .category-card {
      height: 250px;
    }
  
    .cta-title {
      font-size: 2rem;
    }
  
    .cta-actions {
      flex-direction: column;
      width: 100%;
    }
  
    .footer-content {
      grid-template-columns: 1fr;
      gap: 2rem;
      text-align: center;
    }
  
    .footer-bottom-content {
      flex-direction: column;
      gap: 1rem;
      text-align: center;
    }
  }