@media (max-width: 1024px) {
  :root {
    --spacing-xxl: 32px;
  }
  
  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .hs-card {
    width: 150px;
  }
  
  .book-3d {
    width: 130px;
    height: 175px;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  :root {
    --spacing-xl: 24px;
    --spacing-xxl: 24px;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .navbar {
    padding: 0 var(--spacing-md);
  }
  
  .navbar-nav {
    gap: var(--spacing-md);
  }
  
  .hs-card {
    width: 140px;
  }
  
  .book-3d {
    width: 120px;
    height: 160px;
  }
  
  .book-3d:hover {
    transform: translateY(-10px);
  }
  
  .particles-container .particle:nth-child(n+30) {
    display: none;
  }
  
  .parchment {
    padding: var(--spacing-lg);
  }
  
  .wax-seal {
    width: 60px;
    height: 60px;
  }
  
  .wax-seal-icon {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-lg: 16px;
    --spacing-xl: 16px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .hs-card {
    width: 160px;
    margin: 0 auto;
  }
  
  .book-3d {
    width: 140px;
    height: 185px;
    margin: 0 auto;
  }
  
  .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 14px;
  }
  
  .navbar-brand {
    font-size: 18px;
  }
  
  .particles-container .particle:nth-child(n+20) {
    display: none;
  }
  
  .modal-content {
    padding: var(--spacing-lg);
  }
}

@media (hover: none) {
  .hs-card:hover,
  .book-3d:hover {
    transform: none;
  }
  
  .btn:hover {
    transform: none;
  }
}

@media (prefers-color-scheme: light) {
}

@media (prefers-reduced-motion: reduce) {
  .particle {
    animation: none;
    display: none;
  }
  
  .hs-card,
  .book-3d,
  .btn {
    transition: none;
  }
}