/* ═══════════════════════════════════════════════════════════════
   Responsive Styles — Breakpoint-based Adaptations
   ═══════════════════════════════════════════════════════════════ */

/* ── Mobile (< 480px) ───────────────────────────────────────── */
@media (max-width: 479px) {
  :root {
    --text-4xl: 1.75rem;
    --text-5xl: 2.25rem;
  }

  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  /* Navbar */
  .navbar .nav-links {
    display: none;
  }

  .navbar .nav-actions {
    gap: var(--space-2);
  }

  .language-switcher .lang-dropdown {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    border-radius: 0;
    max-height: 70vh;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding: var(--space-16) 0 var(--space-12);
  }

  .hero-content {
    text-align: center;
  }

  .hero-illustration {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero-stats {
    flex-direction: column;
    gap: var(--space-4);
  }

  /* Features */
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  /* How It Works */
  .timeline {
    padding-left: var(--space-8);
  }

  .timeline-step {
    flex-direction: column;
    text-align: center;
  }

  .timeline-connector {
    display: none;
  }

  /* Statistics */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }

  /* FAQ */
  .faq-list {
    gap: var(--space-3);
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  /* Dashboard */
  .dashboard-layout {
    flex-direction: column;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    height: 100vh;
    z-index: var(--z-modal);
    transition: left var(--transition-base);
    width: 260px;
  }

  [dir="rtl"] .sidebar {
    left: auto;
    right: -100%;
  }

  .sidebar.open {
    left: 0;
  }

  [dir="rtl"] .sidebar.open {
    left: auto;
    right: 0;
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    z-index: calc(var(--z-modal) - 1);
  }

  .sidebar-overlay.active {
    display: block;
  }

  .main-content {
    margin-left: 0;
    margin-right: 0;
    padding: var(--space-4);
  }

  [dir="rtl"] .main-content {
    margin-left: 0;
    margin-right: 0;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .overview-cards {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .exam-table {
    font-size: var(--text-sm);
  }

  .exam-table th,
  .exam-table td {
    padding: var(--space-2);
  }

  /* Modal */
  .modal-content {
    margin: var(--space-4);
    max-height: calc(100vh - var(--space-8));
    border-radius: var(--radius-md);
  }
}

/* ── Tablet (480px – 768px) ─────────────────────────────────── */
@media (min-width: 480px) and (max-width: 767px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }

  /* Navbar */
  .navbar .nav-links {
    gap: var(--space-4);
  }

  /* Features */
  .features-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  /* How It Works */
  .timeline-step {
    flex-direction: column;
    text-align: center;
  }

  .timeline-connector {
    width: 2px;
    height: 40px;
    margin: 0 auto;
  }

  /* Statistics */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  /* Dashboard */
  .sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    height: 100vh;
    z-index: var(--z-modal);
    transition: left var(--transition-base);
  }

  [dir="rtl"] .sidebar {
    left: auto;
    right: -100%;
  }

  .sidebar.open {
    left: 0;
  }

  [dir="rtl"] .sidebar.open {
    left: auto;
    right: 0;
  }

  .main-content {
    margin-left: 0;
    margin-right: 0;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .overview-cards {
    grid-template-columns: 1fr 1fr;
  }

  .builder-layout {
    flex-direction: column;
  }

  .builder-preview {
    width: 100%;
    max-height: 400px;
    border-left: none;
    border-top: 1px solid var(--border-color);
  }

  [dir="rtl"] .builder-preview {
    border-left: none;
    border-right: none;
    border-top: 1px solid var(--border-color);
  }
}

/* ── Desktop (768px – 1024px) ───────────────────────────────── */
@media (min-width: 768px) and (max-width: 1023px) {
  .features-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-6);
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sidebar {
    width: 220px;
  }

  .main-content {
    margin-left: 220px;
  }

  [dir="rtl"] .main-content {
    margin-left: 0;
    margin-right: 220px;
  }
}

/* ── Wide (1024px – 1280px) ─────────────────────────────────── */
@media (min-width: 1024px) and (max-width: 1279px) {
  .sidebar {
    width: var(--sidebar-width);
  }

  .overview-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Ultra-wide (> 1280px) ──────────────────────────────────── */
@media (min-width: 1280px) {
  .container,
  .landing-container {
    max-width: var(--container-2xl);
    margin-left: auto;
    margin-right: auto;
  }

  .hero {
    min-height: 100vh;
  }
}

/* ── Mobile Menu Toggle (hidden on desktop) ─────────────────── */
@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }

  .sidebar-overlay {
    display: none !important;
  }
}

/* ── Print Styles ───────────────────────────────────────────── */
@media print {
  .navbar,
  .sidebar,
  .mobile-menu-toggle,
  .btn,
  .language-switcher {
    display: none !important;
  }

  .main-content {
    margin: 0 !important;
    padding: 0 !important;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }
}