/* ============================================
   Responsive Design System
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .hero {
    padding: 120px 24px 60px;
  }

  .feature-card,
  .app-card {
    padding: 32px 24px;
  }

  section {
    padding: 100px 0;
  }

  .section-header {
    margin-bottom: 60px;
  }
}

/* Mobile Large */
@media (max-width: 768px) {
  .nav-container {
    padding: 0 20px;
  }

  .hero-title {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-item {
    padding: 20px 12px;
  }

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

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

  .contact-form {
    padding: 28px 20px;
  }

  .policy-hero {
    padding: 140px 20px 60px;
  }

  .policy-content {
    padding: 60px 20px 80px;
  }

  .toc {
    padding: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-section {
    padding: 80px 24px;
  }

  .section-header {
    margin-bottom: 40px;
  }
}

/* Mobile Small */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .nav-container {
    padding: 0 16px;
  }

  .hero {
    padding: 100px 16px 50px;
    min-height: 90vh;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 6px 14px;
  }

  .hero-scroll-indicator {
    bottom: 20px;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

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

  .toc-list {
    grid-template-columns: 1fr;
  }

  .policy-section h2 {
    padding-left: 16px;
  }

  .policy-section h2::before {
    width: 6px;
    height: 22px;
    top: 8px;
  }

  .mobile-menu {
    width: 100%;
  }
}

/* Landscape phone adjustments */
@media (max-height: 600px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: 120px 24px 60px;
  }
}

/* High DPI / Retina */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  body {
    -webkit-font-smoothing: antialiased;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Print styles */
@media print {
  .site-header,
  .site-footer,
  .mobile-menu,
  .mobile-overlay,
  .loading-screen {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }
}

/* Focus visible accessibility */
:focus-visible {
  outline: 2px solid var(--accent-secondary);
  outline-offset: 3px;
  border-radius: 4px;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent-secondary);
  outline-offset: 3px;
}

/* Selection */
::selection {
  background: var(--accent-secondary);
  color: var(--bg-primary);
}