/* Books Section Navigation Styles - Mobile Optimized
   Version: 1.0.0
   Purpose: Dedicated styles for book section navigation dropdown and book pages
*/

/* Book navigation dropdown styles - mobile optimized */
.book-nav-dropdown {
  flex-shrink: 0;
  margin-left: 8px;
}

.book-nav-trigger {
  font-size: 0.875rem !important;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.book-nav-label {
  font-size: 0.875rem;
  font-weight: 500;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
}

.book-nav-menu {
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.book-nav-item {
  min-height: 40px;
  padding: 8px 16px;
}

/* Mobile optimizations */
@media (max-width: 480px) {
  .book-nav-trigger {
    max-width: 180px;
    padding: 0 4px !important;
  }
  
  .book-nav-label {
    max-width: 140px;
    font-size: 0.8rem;
  }
  
  .book-nav-dropdown {
    margin-left: 4px;
  }
}

@media (max-width: 400px) {
  .book-nav-trigger {
    max-width: 160px;
  }
  
  .book-nav-label {
    max-width: 120px;
    font-size: 0.75rem;
  }
}

/* Book Page Styles - Common Elements */

/* Full-width layout fixes */
.book-page-content {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

/* Hero Logo Fix */
.hero-logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 20px;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-title {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-description {
  font-size: clamp(1rem, 3vw, 1.2rem);
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* Earth Share Specific Colors */
.earthshare .section-title {
  color: #2E7D32;
}

/* Handbook Specific Colors */
.handbook .section-title {
  color: #1976D2;
}

/* Pricing Card Styles */
.pricing-description {
  margin-bottom: 20px;
}

.pricing-description.featured {
  opacity: 0.9;
}

.pricing-description.secondary {
  color: #666;
}

.price-preview {
  font-size: 1.2rem;
}

/* Enhanced Hero Styles - Professional Gradients */
.earthshare-hero {
  background: linear-gradient(135deg, rgba(67, 160, 71, 0.18) 0%, rgba(102, 187, 106, 0.22) 100%);
  border-radius: 16px;
  margin: 0 0 2rem;
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.earthshare-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(67, 160, 71, 0.08) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

.handbook-hero {
  background: linear-gradient(135deg, rgba(25, 118, 210, 0.1) 0%, rgba(33, 150, 243, 0.1) 100%);
  border-radius: 16px;
  margin: 0 0 2rem;
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.handbook-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(25, 118, 210, 0.05) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-20px, -20px) rotate(180deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  margin-bottom: 16px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.earthshare-hero .hero-title {
  color: #2E7D32;
}

.handbook-hero .hero-title {
  color: #1976D2;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  font-weight: 400;
  margin-bottom: 20px;
  opacity: 0.95;
  color: #424242;
}

.hero-description {
  font-size: clamp(1rem, 3vw, 1.2rem);
  line-height: 1.6;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
  color: #424242;
}

/* Enhanced Pricing Cards */
.pricing-card.featured {
  background: linear-gradient(135deg, rgba(46, 125, 50, 0.02) 0%, rgba(76, 175, 80, 0.02) 100%);
  border: 2px solid rgba(46, 125, 50, 0.2);
  position: relative;
}

.pricing-card.featured::before {
  content: 'FEATURED';
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, #2E7D32, #4CAF50);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 3;
}

.handbook .pricing-card.featured {
  background: linear-gradient(135deg, rgba(25, 118, 210, 0.02) 0%, rgba(33, 150, 243, 0.02) 100%);
  border: 2px solid rgba(25, 118, 210, 0.2);
}

.handbook .pricing-card.featured::before {
  background: linear-gradient(135deg, #1976D2, #2196F3);
}

/* ========================================
   YOUR EARTH SHARE PAGE STYLES
   ======================================== */

/* Earth Share specific pricing card styles for better contrast */
.earthshare .pricing-card.featured {
  background: linear-gradient(135deg, #2E7D32 0%, #388E3C 100%);
  color: white;
  border: 2px solid #1B5E20;
}

.earthshare .pricing-card.featured .price-label {
  color: #E8F5E8;
  font-weight: 600;
}

.earthshare .pricing-card.featured .price-value {
  color: white;
  font-weight: 700;
}

.earthshare .pricing-card.featured .pricing-description {
  color: #F1F8E9;
  opacity: 0.9;
}

.earthshare .pricing-card.featured:hover {
  border-color: #0D3B0D;
  box-shadow: 0 8px 24px rgba(27, 94, 32, 0.4);
}

.earthshare .pricing-card.featured .buy-button {
  background: linear-gradient(135deg, #FF9800 0%, #F57C00 100%);
  color: white;
  border: 2px solid #E65100;
}

.earthshare .pricing-card.featured .buy-button:hover {
  background: linear-gradient(135deg, #F57C00 0%, #E65100 100%);
  border-color: #BF360C;
  box-shadow: 0 4px 12px rgba(255, 152, 0, 0.5);
  color: white;
  text-decoration: none;
}

/* Book Showcase Section */
.book-showcase {
  background: white;
  padding: 60px 20px;
  margin: 0 auto;
}

.book-cover-large {
  max-width: 300px;
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book-cover-large:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.25);
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin: 40px 0;
}

.pricing-card {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  border-color: #4CAF50;
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(76, 175, 80, 0.2);
}

.pricing-card.featured {
  background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
  color: white;
}

.pricing-card.featured:hover {
  border-color: #2E7D32;
  box-shadow: 0 8px 24px rgba(46, 125, 50, 0.3);
}

.price-label {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  display: block;
}

.price-value {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: block;
}

/* Buy Buttons */
.buy-button {
  background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.buy-button:hover {
  background: linear-gradient(135deg, #2E7D32 0%, #4CAF50 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(76, 175, 80, 0.4);
  color: white;
  text-decoration: none;
}

.buy-button.secondary {
  background: linear-gradient(135deg, #2196F3 0%, #42A5F5 100%);
}

.buy-button.secondary:hover {
  background: linear-gradient(135deg, #1976D2 0%, #2196F3 100%);
  box-shadow: 0 4px 12px rgba(33, 150, 243, 0.4);
}

.sample-button {
  color: #4CAF50;
  text-decoration: none;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all 0.3s ease;
  display: inline-block;
  margin-top: 12px;
}

.sample-button:hover {
  background: rgba(76, 175, 80, 0.1);
  color: #2E7D32;
  text-decoration: none;
}

/* Features Section */
.features-section {
  background: #f8f9fa;
  padding: 60px 20px;
  margin-top: 40px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  background: white;
  padding: 32px;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: white;
  font-size: 24px;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: #2E7D32;
}

.feature-description {
  color: #666;
  line-height: 1.6;
}

/* Pathways Section */
.pathways-section {
  padding: 60px 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.pathways-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.pathway-card {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: 24px;
  border-radius: 12px;
  border-left: 4px solid #4CAF50;
  transition: all 0.3s ease;
}

.pathway-card:hover {
  transform: translateX(8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.pathway-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: #2E7D32;
  margin-bottom: 8px;
}

.pathway-description {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Call to Action Section */
.cta-section {
  background: linear-gradient(135deg, #2E7D32 0%, #4CAF50 100%);
  color: white;
  padding: 60px 20px;
  text-align: center;
  margin-top: 40px;
}

.cta-title {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-description {
  font-size: clamp(1rem, 3vw, 1.2rem);
  margin-bottom: 32px;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-button {
  background: white;
  color: #2E7D32;
  padding: 16px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
}

.cta-button:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  color: #2E7D32;
  text-decoration: none;
}

/* Books Hub Styles */
.books-hero {
  background: linear-gradient(135deg, rgba(25, 118, 210, 0.1) 0%, rgba(76, 175, 80, 0.1) 100%);
  border-radius: 16px;
  margin-bottom: 2rem;
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.books-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(25, 118, 210, 0.05) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-20px, -20px) rotate(180deg); }
}

.books-hero-content {
  position: relative;
  z-index: 2;
}

.books-hero h1 {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  color: #1976D2;
  margin-bottom: 1rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.books-hero p {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: #424242;
  max-width: 800px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.books-hero .owl-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  opacity: 0.8;
}

.book-card {
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(0,0,0,0.05);
}

.book-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
  border-color: rgba(25, 118, 210, 0.2);
}

.book-card.featured {
  background: linear-gradient(135deg, rgba(25, 118, 210, 0.02) 0%, rgba(76, 175, 80, 0.02) 100%);
  border: 2px solid rgba(25, 118, 210, 0.2);
}

.book-card.featured::before {
  content: 'FEATURED';
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, #1976D2, #1565C0);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 3;
}

.book-cover-container {
  position: relative;
  padding: 2rem;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.book-cover {
  max-height: 300px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  transition: transform 0.3s ease;
}

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

.book-info {
  padding: 1.5rem;
}

.book-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1976D2;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.book-subtitle {
  font-size: 1rem;
  color: #666;
  margin-bottom: 1rem;
  font-style: italic;
}

.book-description {
  font-size: 0.95rem;
  color: #424242;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.book-specs {
  background: rgba(0,0,0,0.02);
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: #666;
}

.pricing-section {
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.05) 0%, rgba(76, 175, 80, 0.1) 100%);
  padding: 1rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

.price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.price-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.price-label {
  font-weight: 600;
  color: #424242;
}

.price-value {
  font-weight: 700;
  color: #1976D2;
  font-size: 1.1rem;
}

.buy-button {
  background: linear-gradient(135deg, #4CAF50, #45a049);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

.buy-button:hover {
  background: linear-gradient(135deg, #45a049, #3d8b40);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
  color: white;
  text-decoration: none;
}

.buy-button.secondary {
  background: linear-gradient(135deg, #1976D2, #1565C0);
  box-shadow: 0 4px 12px rgba(25, 118, 210, 0.3);
}

.buy-button.secondary:hover {
  background: linear-gradient(135deg, #1565C0, #0d47a1);
  box-shadow: 0 6px 20px rgba(25, 118, 210, 0.4);
}

.sample-button {
  background: transparent;
  color: #666;
  border: 2px solid #ddd;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  margin-top: 0.5rem;
}

.sample-button:hover {
  background: #f5f5f5;
  border-color: #1976D2;
  color: #1976D2;
  text-decoration: none;
}

.series-badge {
  background: linear-gradient(135deg, #FF9800, #F57C00);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 1rem;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.cta-section {
  background: linear-gradient(135deg, rgba(25, 118, 210, 0.05) 0%, rgba(76, 175, 80, 0.05) 100%);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  margin-top: 3rem;
  border: 1px solid rgba(25, 118, 210, 0.1);
}

.cta-section h3 {
  color: #1976D2;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.cta-section p {
  color: #666;
  margin-bottom: 1.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Topic Guides Hub Styles */
.topic-guides-hero {
  background: linear-gradient(135deg, rgba(255, 152, 0, 0.1) 0%, rgba(76, 175, 80, 0.1) 100%);
  border-radius: 16px;
  margin-bottom: 2rem;
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.topic-guides-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 152, 0, 0.05) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

.topic-guides-hero-content {
  position: relative;
  z-index: 2;
}

.topic-guides-hero h1 {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  color: #FF9800;
  margin-bottom: 1rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.topic-guides-hero p {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: #424242;
  max-width: 800px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.topic-guides-hero .owl-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  opacity: 0.8;
}

.topic-guide-card {
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(0,0,0,0.05);
}

.topic-guide-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
  border-color: rgba(255, 152, 0, 0.2);
}

.topic-guide-cover-container {
  position: relative;
  padding: 2rem;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.topic-guide-cover {
  max-height: 250px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  transition: transform 0.3s ease;
}

.topic-guide-card:hover .topic-guide-cover {
  transform: scale(1.05);
}

.topic-guide-info {
  padding: 1.5rem;
}

.topic-guide-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #FF9800;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.topic-guide-subtitle {
  font-size: 1rem;
  color: #666;
  margin-bottom: 1rem;
  font-style: italic;
}

.topic-guide-description {
  font-size: 0.95rem;
  color: #424242;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.topic-guide-specs {
  background: rgba(0,0,0,0.02);
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: #666;
}

.topic-guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

/* Topic Guides specific pricing section */
.topic-guides-hero + .features-grid .pricing-section {
  background: linear-gradient(135deg, rgba(255, 152, 0, 0.05) 0%, rgba(255, 152, 0, 0.1) 100%);
}

.topic-guides-hero + .features-grid .price-value {
  color: #FF9800;
}

.topic-guides-hero + .features-grid .buy-button {
  background: linear-gradient(135deg, #FF9800, #F57C00);
  box-shadow: 0 4px 12px rgba(255, 152, 0, 0.3);
}

.topic-guides-hero + .features-grid .buy-button:hover {
  background: linear-gradient(135deg, #F57C00, #E65100);
  box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4);
}

.topic-guides-hero + .features-grid .sample-button:hover {
  border-color: #FF9800;
  color: #FF9800;
}

.topic-guides-hero + .features-grid .series-badge {
  background: linear-gradient(135deg, #4CAF50, #45a049);
}

.topic-guides-hero + .features-grid .cta-section {
  background: linear-gradient(135deg, rgba(255, 152, 0, 0.05) 0%, rgba(76, 175, 80, 0.05) 100%);
  border: 1px solid rgba(255, 152, 0, 0.1);
}

.topic-guides-hero + .features-grid .cta-section h3 {
  color: #FF9800;
}

.topic-guides-hero + .features-grid .features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.topic-guides-hero + .features-grid .feature-card {
  background: rgba(255, 152, 0, 0.05);
  padding: 1.5rem;
  border-radius: 12px;
  text-align: center;
  border: 1px solid rgba(255, 152, 0, 0.1);
}

.topic-guides-hero + .features-grid .feature-icon {
  font-size: 2rem;
  color: #FF9800;
  margin-bottom: 1rem;
}

.topic-guides-hero + .features-grid .feature-title {
  font-weight: 600;
  color: #424242;
  margin-bottom: 0.5rem;
}

.topic-guides-hero + .features-grid .feature-description {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.4;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .pathways-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-button {
    width: 100%;
    max-width: 300px;
  }
  
  .books-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .books-hero {
    padding: 2rem 1rem;
  }
  
  .book-card.featured::before {
    top: 12px;
    right: 12px;
    font-size: 0.7rem;
    padding: 3px 8px;
  }
  
  .topic-guides-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .topic-guides-hero {
    padding: 2rem 1rem;
  }
}