/* CSS Custom Properties */
:root {
  --sky-teal: #8adbe4;
  --grass: #5fbf89;
  --peach: #febc8b;
  --coral: #ff7a7a;
  --lavender: #b7a6ff;
  --deep-teal: #106d6b;
  --cream: #fff7ee;
  --ink: #1e1b2d;
  
  /* Derived colors for better accessibility */
  --primary: var(--coral);
  --primary-dark: #e55a5a;
  --secondary: var(--deep-teal);
  --accent: var(--lavender);
  --text-primary: var(--ink);
  --text-secondary: #4a5568;
  --surface: var(--cream);
  --surface-glass: rgba(255, 247, 238, 0.8);
  
  /* Spacing system */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Fredoka', cursive;
  
  /* Borders and shadows */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  
  --shadow-sm: 0 2px 8px rgba(30, 27, 45, 0.1);
  --shadow-md: 0 4px 20px rgba(30, 27, 45, 0.15);
  --shadow-lg: 0 8px 40px rgba(30, 27, 45, 0.2);
  --shadow-3d: 0 12px 60px rgba(30, 27, 45, 0.25);
  
  /* Transitions */
  --transition-fast: 0.2s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

/* Reset and 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(--text-primary);
  background: 
    radial-gradient(circle at 20% 80%, var(--peach) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, var(--coral) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, var(--lavender) 0%, transparent 50%),
    linear-gradient(135deg, var(--peach) 0%, var(--coral) 25%, var(--lavender) 50%, var(--sky-teal) 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles */
*:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .book-3d {
    transform: none !important;
  }
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

/* Typography */
.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--space-2xl);
  color: var(--text-primary);
  text-shadow: 0 2px 4px rgba(30, 27, 45, 0.1);
}

.gradient-text {
  background: linear-gradient(135deg, var(--coral), var(--lavender));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  will-change: transform;
  backface-visibility: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--coral), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--surface-glass);
  color: var(--text-primary);
  border: 2px solid var(--coral);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--coral);
  color: white;
  transform: translateY(-2px);
}

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

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

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-2xl) 0;
  position: relative;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.hero-ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* 3D Book */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
}

.book-3d {
  position: relative;
  width: 300px;
  height: 400px;
  transform-style: preserve-3d;
  transition: transform var(--transition-normal);
  cursor: pointer;
}

.book-cover {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  box-shadow: var(--shadow-3d);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.book-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.book-spine {
  position: absolute;
  top: 0;
  right: -20px;
  width: 20px;
  height: 100%;
  background: linear-gradient(180deg, var(--deep-teal), var(--secondary));
  transform: rotateY(90deg);
  transform-origin: left;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Books Section */
.books-section {
  padding: var(--space-3xl) 0;
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.book-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.book-card:hover {
  transform: translateY(-8px);
}

.book-image-container {
  width: 200px;
  height: 250px;
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.book-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  text-align: center;
}

.book-description {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  text-align: center;
}

.book-features {
  list-style: none;
  margin-bottom: var(--space-md);
}

.book-features li {
  position: relative;
  padding-left: var(--space-md);
  margin-bottom: var(--space-xs);
  color: var(--text-secondary);
}

.book-features li::before {
  content: '✨';
  position: absolute;
  left: 0;
  top: 0;
}

.book-meta {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.age-range, .page-count {
  background: var(--accent);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

.book-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

/* Parents & Educators Section */
.parents-section {
  padding: var(--space-3xl) 0;
}

.parents-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
}

.themes-card, .discussion-card {
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
}

.themes-card h3, .discussion-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  text-align: center;
}

.themes-list, .discussion-list {
  list-style: none;
}

.themes-list li {
  margin-bottom: var(--space-md);
  padding: var(--space-sm);
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--grass);
}

.themes-list strong {
  color: var(--deep-teal);
  font-weight: 600;
}

.discussion-list li {
  margin-bottom: var(--space-sm);
  padding: var(--space-sm);
  background: rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-md);
  font-style: italic;
  color: var(--text-secondary);
  border-left: 3px solid var(--coral);
}

/* Creators Section */
.creators-section {
  padding: var(--space-3xl) 0;
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
}

.creators-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.creator-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: transform var(--transition-normal);
}

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

.creator-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--space-md);
  border: 4px solid var(--sky-teal);
  box-shadow: var(--shadow-md);
}

.creator-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.creator-role {
  font-weight: 500;
  color: var(--coral);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.875rem;
}

.creator-bio {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Praise Section */
.praise-section {
  padding: var(--space-3xl) 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.testimonial {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  transition: transform var(--transition-normal);
}

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

.testimonial::before {
  content: '"';
  position: absolute;
  top: var(--space-sm);
  left: var(--space-md);
  font-size: 4rem;
  color: var(--lavender);
  font-family: serif;
  line-height: 1;
}

.testimonial-text {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.testimonial-author {
  font-weight: 600;
  color: var(--deep-teal);
  font-style: normal;
  text-align: right;
}

/* FAQ Section */
.faq-section {
  padding: var(--space-3xl) 0;
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.3);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-lg);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: between;
  align-items: center;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: background-color var(--transition-fast);
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.5);
}

.faq-icon {
  margin-left: auto;
  font-size: 1.5rem;
  color: var(--coral);
  transition: transform var(--transition-normal);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  will-change: max-height;
}

.faq-answer.active {
  max-height: 300px;
}

.book-card, .testimonial, .creator-card {
  will-change: transform, opacity;
}

/* Enhanced mobile responsiveness for Netlify */
@media (max-width: 480px) {
  .contact-method-card {
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
  }
  
  .contact-method-title {
    font-size: 1.25rem;
  }
  
  .contact-method-action {
    font-size: 0.9rem;
    word-break: break-all;
  }
}

/* Improved loading states */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

/* Better focus management for accessibility */
.btn:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.contact-method-card:focus-visible {
  outline: 3px solid var(--sky-teal);
  outline-offset: 2px;
}
.faq-answer p {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Newsletter Section */
.newsletter-section {
  padding: var(--space-3xl) 0;
}

/* Contact Section */
.contact-section {
  padding: var(--space-3xl) 0;
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
}

.newsletter-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.3);
  max-width: 600px;
  margin: 0 auto;
}

.newsletter-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.newsletter-subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  font-size: 1.1rem;
}

.newsletter-form {
  display: flex;
  gap: var(--space-sm);
  max-width: 400px;
  margin: 0 auto;
}

.newsletter-input {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

.newsletter-input:focus {
  border-color: var(--coral);
  background: white;
}

.newsletter-btn {
  white-space: nowrap;
}

/* Footer */
.footer {
  background: var(--ink);
  color: var(--cream);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
  margin-bottom: var(--space-xl);
}

.footer-brand {
  text-align: left;
}

.chosen-logo {
  margin-bottom: var(--space-sm);
}

.logo-img {
  height: 60px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-tagline {
  color: rgba(255, 247, 238, 0.8);
  font-style: italic;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  color: var(--cream);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--sky-teal);
}

.social-links {
  display: flex;
  gap: var(--space-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--cream);
  transition: all var(--transition-normal);
}

.social-link:hover {
  background: var(--coral);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  text-align: center;
}

.copyright {
  color: rgba(255, 247, 238, 0.6);
  font-size: 0.875rem;
}

/* Contact Modal */
.contact-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 10000;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(5px);
}

.contact-modal-content {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-3d);
  border: 2px solid var(--coral);
}

.contact-modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-secondary);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.contact-modal-close:hover {
  background: var(--coral);
  color: white;
  transform: scale(1.1);
}

.contact-modal-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--space-xl);
  margin-top: var(--space-sm);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.5);
  border: 2px solid var(--sky-teal);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-normal);
  font-weight: 500;
}

.contact-method:hover {
  background: var(--sky-teal);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.contact-icon {
  font-size: 1.5rem;
  width: 30px;
  text-align: center;
}

.contact-text {
  flex: 1;
  font-size: 1rem;
}

@media (max-width: 480px) {
  .contact-modal-content {
    padding: var(--space-lg);
    margin: var(--space-sm);
  }
  
  .contact-modal-title {
    font-size: 1.5rem;
  }
  
  .contact-method {
    padding: var(--space-sm);
  }
  
  .contact-text {
    font-size: 0.9rem;
  }
}

/* Contact Page Styles */
.contact-header {
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding: var(--space-lg) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.contact-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.back-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--coral);
}

.back-arrow {
  font-size: 1.2rem;
}

.contact-main {
  padding: var(--space-3xl) 0;
}

.contact-hero {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.contact-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 4px rgba(30, 27, 45, 0.1);
}

.contact-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.contact-methods-section {
  margin-bottom: var(--space-3xl);
}

.contact-methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.contact-method-card {
  background: var(--surface);
  border: 2px solid var(--sky-teal);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-normal);
  text-align: center;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.contact-method-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(138, 219, 228, 0.1), transparent);
  transition: left var(--transition-slow);
}

.contact-method-card:hover::before {
  left: 100%;
}

.contact-method-card:hover {
  background: var(--sky-teal);
  color: white;
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.contact-method-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.contact-method-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.contact-method-description {
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: var(--space-md);
  opacity: 0.8;
}

.contact-method-action {
  font-weight: 500;
  font-size: 1rem;
}

.contact-info-section {
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.contact-info-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.contact-info-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-info-card ul {
  list-style: none;
  color: var(--text-secondary);
}

.contact-info-card li {
  position: relative;
  padding-left: var(--space-md);
  margin-bottom: var(--space-xs);
}

.contact-info-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--grass);
  font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .book-3d {
    width: 250px;
    height: 320px;
  }
  
  .books-grid {
    grid-template-columns: 1fr;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-lg);
  }
  
  .footer-links {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .contact-title {
    font-size: 2.5rem;
  }
  
  .contact-methods-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-info-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .book-3d {
    width: 200px;
    height: 260px;
  }
  
  .contact-title {
    font-size: 2rem;
  }
  
  .contact-method-card {
    padding: var(--space-lg);
  }
  
  .contact-nav {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .btn-secondary {
    border-width: 3px;
  }
  
  .book-card, .testimonial, .newsletter-card {
    border-width: 2px;
    border-color: var(--text-primary);
  }
}

/* Animation keyframes */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.book-3d {
  animation: float 6s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .book-3d {
    animation: none;
  }
}