/* ==========================================================================
   GUIDE CESU INFO — RESPONSIVE DESIGN & ADAPTATIONS
   ========================================================================== */

/* Écrans Larges & Laptops (Max 1100px) */
@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
    margin-bottom: 2rem;
  }

  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablettes & Petits Écrans (Max 860px) */
@media (max-width: 860px) {
  .mobile-toggle-btn {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 1.5rem 2rem;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-normal);
    z-index: 950;
    overflow-y: auto;
  }

  .main-nav.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0.5rem;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1.05rem;
  }

  .dropdown-menu {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    background-color: var(--color-slate-50);
    margin-left: 0.75rem;
    margin-top: 0.25rem;
    padding-left: 0.75rem;
    border-left: 2px solid var(--color-primary-300);
  }

  .nav-item.dropdown-open .dropdown-menu {
    display: flex;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .card-grid-3 {
    grid-template-columns: 1fr;
  }

  .card-grid-2 {
    grid-template-columns: 1fr;
  }

  .simulator-body {
    grid-template-columns: 1fr;
  }

  .simulator-results {
    border-left: none;
    border-top: 1px solid var(--color-slate-200);
  }

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

  .official-portal-card {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
}

/* Smartphones (Max 576px) */
@media (max-width: 576px) {
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.2rem; }

  .hero-title {
    font-size: 1.85rem;
  }

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

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

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

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

  .card-grid-4 {
    grid-template-columns: 1fr;
  }

  .article-body {
    padding: 1.5rem 1.25rem;
  }

  .contact-card, .contact-info-card {
    padding: 1.5rem 1.25rem;
  }

  .simulator-form, .simulator-results {
    padding: 1.25rem;
  }

  .top-disclaimer-banner .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* Mode Impression */
@media print {
  .site-header,
  .top-disclaimer-banner,
  .site-footer,
  .back-to-top,
  .accessibility-controls,
  .filter-bar,
  #reading-progress {
    display: none !important;
  }

  body {
    background: #ffffff;
    color: #000000;
    font-size: 12pt;
  }

  .article-body, .simulator-widget, .content-card {
    box-shadow: none !important;
    border: 1px solid #cccccc !important;
  }
}