/* ══════════════════════════════════════════════════════
       DESIGN SYSTEM — hérité de index.html
       Variables, reset, header, footer identiques
    ══════════════════════════════════════════════════════ */
    :root {
      --primaire: #1a1a2e;
      --accent:   #22c55e;
      --fond:     #f8f9fa;
      --card:     #ffffff;
      --txt:      #1a1a2e;
      --txt2:     #4a5568;
      --bord:     #e2e8f0;
      --rouge:    #c53030;
      --bleu:     #2b6cb0;
      --ambre:    #d69e2e;
      --violet:   #805ad5;
      --r:        6px;
      --r-lg:     12px;
      --shadow:   0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.06);
      --shadow-lg:0 8px 32px rgba(0,0,0,.14);
    }

    *, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Segoe UI', system-ui, sans-serif;
      background: var(--fond);
      color: var(--txt);
      line-height: 1.7;
    }

    /* ── ACCESSIBILITÉ GLOBALE ── */
    :focus-visible {
      outline: 3px solid var(--accent);
      outline-offset: 3px;
      border-radius: 3px;
    }
    :focus:not(:focus-visible) { outline: none; }

    .skip {
      position: absolute; top: -100px; left: 16px; z-index: 9999;
      background: var(--primaire); color: #fff;
      padding: 10px 18px; border-radius: 0 0 var(--r) var(--r);
      text-decoration: none; font-weight: 700;
      transition: top .2s;
    }
    .skip:focus { top: 0; }

    .visually-hidden {
      position: absolute; width: 1px; height: 1px;
      overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
    }

    /* ── LAYOUT ── */
    .wrapper { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

    /* ── HEADER — identique à index.html ── */
    .site-header {
      background: var(--primaire); color: #fff;
      padding: 0 28px; height: 64px;
      display: flex; align-items: center; justify-content: space-between;
      position: sticky; top: 0; z-index: 200;
      box-shadow: 0 2px 8px rgba(0,0,0,.3);
    }
    .site-header .logo {
      font-size: 1.1rem; font-weight: 700; color: #fff;
      text-decoration: none; white-space: nowrap;
    }
    .site-header nav ul { display: flex; gap: 4px; list-style: none; }
    .site-header nav a {
      color: rgba(255,255,255,.85); text-decoration: none;
      padding: 6px 12px; border-radius: var(--r); font-size: .88rem;
      transition: background .18s; white-space: nowrap;
    }
    .site-header nav a:hover { background: rgba(255,255,255,.12); }
    .site-header nav a.active {
      background: rgba(34,197,94,.25);
      color: #fff;
    }
    /* ── BURGER SITE HEADER ── */
    .burger-nav {
      display: none;
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.3);
      color: #fff; border-radius: var(--r);
      min-height: 44px; min-width: 44px;
      padding: 0 12px; cursor: pointer;
      font-size: 1.2rem;
      align-items: center; justify-content: center;
      flex-shrink: 0;
    }
    .burger-nav:hover { background: rgba(255,255,255,.2); }

    /* Panel mobile site header */
    .site-mobile-nav {
      background: #16213e;
      padding: 8px 16px 14px;
    }
    .site-mobile-nav ul {
      list-style: none;
      display: flex; flex-direction: column; gap: 2px;
    }
    .site-mobile-nav a {
      display: block; color: rgba(255,255,255,.85);
      text-decoration: none; padding: 10px 12px;
      border-radius: var(--r); font-size: .92rem;
      transition: background .15s;
    }
    .site-mobile-nav a:hover { background: rgba(255,255,255,.1); color: #fff; }
    .site-mobile-nav .mobile-sep { height: 1px; background: rgba(255,255,255,.1); margin: 6px 0; }
    .site-mobile-nav .mobile-cta {
      background: rgba(34,197,94,.2);
      color: #fff !important; font-weight: 600;
    }

    /* ── HERO ── */
    .hero {
      background: linear-gradient(135deg, var(--primaire) 0%, #16213e 100%);
      color: #fff; padding: 56px 28px; text-align: center;
    }
    .hero h1 { font-size: 2.2rem; margin-bottom: 10px; }
    .hero p { font-size: 1.05rem; color: rgba(255,255,255,.92); max-width: 580px; margin: 0 auto 20px; }
    .hero-link {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(255,255,255,.12); color: #fff;
      text-decoration: none; padding: 8px 18px; border-radius: var(--r);
      font-size: .9rem; border: 1px solid rgba(255,255,255,.25);
      transition: background .18s;
    }
    .hero-link:hover { background: rgba(255,255,255,.2); }

    /* ── MAIN ── */
    main { padding: 48px 28px 80px; }

    /* ── SECTIONS PATTERNS ── */
    .pattern-section {
      margin-bottom: 60px;
      scroll-margin-top: 80px;
    }
    .pattern-section-title {
      font-size: 1.3rem; font-weight: 700;
      margin-bottom: 6px; padding-top: 16px;
      padding-bottom: 14px;
      border-bottom: 2px solid var(--primaire);
      display: flex; align-items: center; gap: 10px;
    }
    .pattern-label {
      font-size: .72rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: .05em; padding: 3px 10px; border-radius: 20px;
      background: var(--primaire); color: #fff;
    }
    .pattern-desc {
      font-size: .9rem; color: var(--txt2);
      margin: 12px 0 20px; max-width: 700px; line-height: 1.7;
    }
    .pattern-wcag {
      display: inline-flex; align-items: center; gap: 6px;
      font-size: .78rem; font-weight: 700; color: #276749;
      background: #f0fff4; border: 1px solid #9ae6b4;
      padding: 3px 10px; border-radius: 20px; margin-bottom: 20px;
    }

    /* Boîte de démonstration */
    .demo-box {
      background: var(--card); border: 1px solid var(--bord);
      border-radius: var(--r-lg); overflow: hidden;
      box-shadow: var(--shadow);
    }
    .demo-box-header {
      background: var(--primaire); padding: 10px 18px;
      display: flex; align-items: center; gap: 8px;
    }
    .demo-box-dot {
      width: 10px; height: 10px; border-radius: 50%;
    }
    .demo-box-title {
      font-size: .78rem; color: rgba(255,255,255,.92);
      font-family: monospace; margin-left: 6px;
    }
    .demo-box-body { padding: 28px 24px; }

    /* ══════════════════════════════════════════════════════
       1. CAROUSEL
    ══════════════════════════════════════════════════════ */
    .carousel {
      position: relative;
      overflow: hidden;
      border-radius: var(--r);
    }
    .carousel-track-wrapper {
      overflow: hidden;
    }
    .carousel-track {
      display: flex;
      transition: transform .4s cubic-bezier(.4,0,.2,1);
      will-change: transform;
    }
    .carousel-slide {
      min-width: 100%;
      flex-shrink: 0;
    }
    .carousel-slide-inner {
      border-radius: var(--r);
      overflow: hidden;
      background: linear-gradient(135deg, var(--primaire), #16213e);
      padding: 40px 32px;
      color: #fff;
      min-height: 220px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 10px;
      position: relative;
    }
    .carousel-slide-inner::after {
      content: '';
      position: absolute; inset: 0;
      background: radial-gradient(circle at 80% 50%, rgba(34,197,94,.15), transparent 60%);
      pointer-events: none;
    }
    .carousel-slide-tag {
      font-size: .72rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: .08em; color: var(--accent);
    }
    .carousel-slide-title { font-size: 1.4rem; font-weight: 700; line-height: 1.2; }
    .carousel-slide-text  { font-size: .9rem; color: rgba(255,255,255,.92); max-width: 420px; }

    /* Boutons précédent/suivant */
    .carousel-btn {
      position: absolute; top: 50%; transform: translateY(-50%);
      background: rgba(255,255,255,.15); backdrop-filter: blur(4px);
      border: 1px solid rgba(255,255,255,.3);
      color: #fff; border-radius: 50%;
      width: 42px; height: 42px;
      display: flex; align-items: center; justify-content: center;
      cursor: pointer; font-size: 1.1rem; z-index: 2;
      transition: background .18s, transform .18s;
    }
    .carousel-btn:hover { background: rgba(255,255,255,.28); }
    .carousel-btn:active { transform: translateY(-50%) scale(.94); }
    .carousel-btn[disabled] { opacity: .35; cursor: not-allowed; }
    .carousel-prev { left: 12px; }
    .carousel-next { right: 12px; }

    /* Points de navigation */
    .carousel-dots {
      display: flex; justify-content: center; gap: 8px;
      margin-top: 16px;
    }
    .carousel-dot {
      width: 10px; height: 10px; border-radius: 50%;
      background: var(--bord); border: none; cursor: pointer;
      padding: 17px; box-sizing: content-box;
      transition: background .2s, transform .2s;
      display: inline-flex; align-items: center; justify-content: center;
    }
    .carousel-dot.active {
      background: var(--primaire);
      transform: scale(1.3);
    }
    .carousel-dot:hover { background: var(--txt2); }

    /* Live region pour annoncer le slide courant */
    .carousel-live {
      position: absolute; width:1px; height:1px;
      overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap;
    }

    /* ══════════════════════════════════════════════════════
       2. FORMULAIRE
    ══════════════════════════════════════════════════════ */
    .form-pattern {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .form-field {
      display: flex;
      flex-direction: column;
      gap: 5px;
    }
    .form-field.full { grid-column: 1 / -1; }

    .form-label {
      font-size: .85rem; font-weight: 600; color: var(--txt);
    }
    .form-label .req { color: var(--rouge); margin-left: 2px; }

    .form-input,
    .form-select,
    .form-textarea {
      padding: 10px 14px;
      border: 1.5px solid var(--bord);
      border-radius: var(--r);
      font-size: .9rem;
      font-family: inherit;
      color: var(--txt);
      background: #fff;
      transition: border-color .18s, box-shadow .18s;
      width: 100%;
    }
    .form-input:hover, .form-select:hover, .form-textarea:hover {
      border-color: #a0aec0;
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(34,197,94,.2);
    }
    .form-input[aria-invalid="true"],
    .form-select[aria-invalid="true"],
    .form-textarea[aria-invalid="true"] {
      border-color: var(--rouge);
      box-shadow: 0 0 0 3px rgba(229,62,62,.15);
    }
    .form-textarea { resize: vertical; min-height: 90px; }
    .form-hint {
      font-size: .78rem; color: var(--txt2);
    }
    .form-error {
      font-size: .78rem; color: var(--rouge); font-weight: 600;
      display: flex; align-items: center; gap: 4px;
    }
    .form-error[hidden] { display: none; }

    /* Groupe de radios / checkboxes */
    .radio-group, .check-group {
      display: flex; flex-direction: column; gap: 8px;
    }
    .radio-label, .check-label {
      display: flex; align-items: center; gap: 8px;
      font-size: .88rem; cursor: pointer;
      padding: 8px 12px; border-radius: var(--r);
      border: 1.5px solid var(--bord);
      transition: border-color .18s, background .18s;
    }
    .radio-label:has(input:checked),
    .check-label:has(input:checked) {
      border-color: var(--accent);
      background: rgba(34,197,94,.06);
    }
    .radio-label:has(input:focus-visible),
    .check-label:has(input:focus-visible) {
      outline: 3px solid var(--accent);
      outline-offset: 2px;
    }
    .radio-label input, .check-label input {
      width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer;
    }

    /* Boutons du formulaire */
    .form-actions { grid-column: 1/-1; display:flex; gap:10px; flex-wrap:wrap; }
    .btn-primary {
      background: var(--primaire); color: #fff;
      border: none; padding: 11px 24px; border-radius: var(--r);
      font-size: .9rem; font-weight: 600; cursor: pointer;
      display: inline-flex; align-items: center; gap: 7px;
      min-height: 44px; transition: background .18s, transform .18s;
    }
    .btn-primary:hover { background: #2d2d4a; transform: translateY(-1px); }
    .btn-secondary {
      background: none; color: var(--txt);
      border: 1.5px solid var(--bord); padding: 11px 22px;
      border-radius: var(--r); font-size: .9rem; cursor: pointer;
      min-height: 44px; transition: border-color .18s, background .18s;
    }
    .btn-secondary:hover { border-color: var(--txt2); background: #f0f0f0; }

    /* Notification résultat formulaire */
    .form-result {
      grid-column: 1/-1;
      padding: 12px 16px; border-radius: var(--r);
      font-size: .88rem; font-weight: 600;
      display: none; align-items: center; gap: 8px;
    }
    .form-result.success {
      background: #f0fff4; border: 1px solid #9ae6b4; color: #276749;
    }
    .form-result.error {
      background: #fff5f5; border: 1px solid #fed7d7; color: #c53030;
    }

    /* ══════════════════════════════════════════════════════
       3. CARD PRODUIT
    ══════════════════════════════════════════════════════ */
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .product-card {
      background: var(--card);
      border: 1px solid var(--bord);
      border-radius: var(--r-lg);
      overflow: hidden;
      display: flex; flex-direction: column;
      box-shadow: var(--shadow);
      transition: box-shadow .2s, transform .2s;
    }
    .product-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-3px);
    }
    .product-card-img {
      position: relative;
      aspect-ratio: 4/3;
      overflow: hidden;
      background: #e2e8f0;
    }
    .product-card-img img {
      width: 100%; height: 100%;
      object-fit: cover;
      display: block;
      transition: transform .4s ease;
    }
    .product-card:hover .product-card-img img {
      transform: scale(1.05);
    }
    .product-badge {
      position: absolute; top: 10px; left: 10px;
      font-size: .7rem; font-weight: 700; text-transform: uppercase;
      padding: 3px 8px; border-radius: 20px; letter-spacing: .04em;
    }
    .badge-new   { background: var(--primaire); color: #fff; }
    .badge-sale  { background: var(--rouge);    color: #fff; }
    .badge-sold  { background: #a0aec0;         color: #fff; }

    /* Bouton favori flottant */
    .product-fav {
      position: absolute; top: 10px; right: 10px;
      background: #fff; border: 1px solid var(--bord);
      border-radius: 50%; width: 44px; height: 44px;
      display: flex; align-items: center; justify-content: center;
      cursor: pointer; font-size: .95rem;
      box-shadow: 0 2px 6px rgba(0,0,0,.1);
      transition: transform .18s, background .18s;
    }
    .product-fav:hover { background: #fff5f5; transform: scale(1.1); }
    .product-fav[aria-pressed="true"] { background: #fff5f5; }

    .product-card-body {
      padding: 16px; flex: 1; display: flex; flex-direction: column; gap: 6px;
    }
    .product-cat { font-size: .72rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: .05em; color: var(--txt2); }
    .product-name {
      font-size: .97rem; font-weight: 700; color: var(--txt);
      line-height: 1.3;
    }
    .product-name a { color: inherit; text-decoration: none; }
    .product-name a:hover { color: var(--bleu); text-decoration: underline; }
    .product-rating {
      display: flex; align-items: center; gap: 5px; font-size: .82rem; color: var(--txt2);
    }
    .stars { color: #92400e; letter-spacing: 1px; }  /* 7.09:1 sur blanc */
    .product-price-row { display: flex; align-items: baseline; gap: 8px; margin-top: 4px; }
    .product-price {
      font-size: 1.15rem; font-weight: 800; color: var(--txt);
    }
    .product-price-old {
      font-size: .88rem; color: var(--txt2); text-decoration: line-through;
    }
    .product-price-discount {
      font-size: .75rem; font-weight: 700; color: var(--rouge);
      background: #fff5f5; padding: 1px 6px; border-radius: 20px;
    }
    .product-card-footer {
      padding: 0 16px 16px;
    }
    .btn-cart {
      width: 100%; background: var(--primaire); color: #fff;
      border: none; padding: 10px; border-radius: var(--r);
      font-size: .88rem; font-weight: 600; cursor: pointer;
      display: flex; align-items: center; justify-content: center; gap: 7px;
      min-height: 44px; transition: background .18s;
    }
    .btn-cart:hover { background: #2d2d4a; }
    .btn-cart:disabled {
      background: #4a5568; cursor: not-allowed;  /* blanc sur #4a5568 = 7.53:1 */
    }

    /* ══════════════════════════════════════════════════════
       4. TOOLTIP
    ══════════════════════════════════════════════════════ */
    .tooltip-demo-grid {
      display: flex; flex-wrap: wrap; gap: 24px; align-items: flex-start;
    }
    .tooltip-wrapper {
      position: relative;
      display: inline-block;
    }
    /* Le tooltip est accessible via role="tooltip" et aria-describedby */
    [role="tooltip"] {
      position: absolute;
      bottom: calc(100% + 8px);
      left: 50%; transform: translateX(-50%);
      background: var(--primaire); color: #fff;
      font-size: .78rem; font-weight: 500;
      padding: 6px 12px; border-radius: var(--r);
      white-space: nowrap; pointer-events: none;
      opacity: 0; visibility: hidden;
      transition: opacity .15s, visibility .15s;
      z-index: 100;
      /* Flèche en bas */
      filter: drop-shadow(0 2px 4px rgba(0,0,0,.2));
    }
    [role="tooltip"]::after {
      content: '';
      position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
      border: 5px solid transparent;
      border-top-color: var(--primaire);
    }
    /* Variantes de position */
    [role="tooltip"].tooltip-bottom {
      top: calc(100% + 8px); bottom: auto;
    }
    [role="tooltip"].tooltip-bottom::after {
      top: auto; bottom: 100%;
      border-top-color: transparent;
      border-bottom-color: var(--primaire);
    }
    [role="tooltip"].tooltip-right {
      left: calc(100% + 8px); top: 50%; bottom: auto;
      transform: translateY(-50%);
    }
    [role="tooltip"].tooltip-right::after {
      top: 50%; left: auto; right: 100%; bottom: auto;
      transform: translateY(-50%);
      border-top-color: transparent;
      border-right-color: var(--primaire);
    }

    /* Afficher au hover ET focus (WCAG 1.4.13) */
    .tooltip-trigger:hover [role="tooltip"],
    .tooltip-trigger:focus-within [role="tooltip"] {
      opacity: 1; visibility: visible;
    }

    /* Bouton déclencheur */
    .tooltip-trigger button,
    .tooltip-btn {
      background: var(--primaire); color: #fff;
      border: none; padding: 10px 18px; border-radius: var(--r);
      cursor: pointer; font-size: .88rem; font-weight: 600;
      min-height: 44px; transition: background .18s;
      display: inline-flex; align-items: center; gap: 6px;
    }
    .tooltip-trigger button:hover, .tooltip-btn:hover { background: #2d2d4a; }
    .tooltip-info {
      background: none; border: 2px solid var(--bord); color: var(--txt);
      border-radius: 50%; width: 28px; height: 28px;
      font-weight: 700; cursor: pointer; font-size: .85rem;
      display: inline-flex; align-items: center; justify-content: center;
      transition: background .18s;
    }
    .tooltip-info:hover { background: #f0f4f8; }

    /* ══════════════════════════════════════════════════════
       5. MODALE
    ══════════════════════════════════════════════════════ */
    .modal-overlay {
      position: fixed; inset: 0;
      background: rgba(0,0,0,.55);
      z-index: 300;
      display: flex; align-items: center; justify-content: center;
      padding: 16px;
      opacity: 0; visibility: hidden;
      transition: opacity .22s, visibility .22s;
    }
    .modal-overlay.open {
      opacity: 1; visibility: visible;
    }
    .modal-box {
      background: var(--card);
      border-radius: var(--r-lg);
      box-shadow: var(--shadow-lg);
      width: 100%; max-width: 500px;
      max-height: 90vh; overflow-y: auto;
      transform: translateY(16px);
      transition: transform .22s cubic-bezier(.4,0,.2,1);
      position: relative;
    }
    .modal-overlay.open .modal-box {
      transform: translateY(0);
    }
    .modal-header {
      display: flex; align-items: center; justify-content: space-between;
      padding: 20px 22px 14px;
      border-bottom: 1px solid var(--bord);
      gap: 12px;
    }
    .modal-title {
      font-size: 1.1rem; font-weight: 700; color: var(--txt);
      flex: 1; line-height: 1.3;
    }
    .modal-close-btn {
      background: none; border: 1px solid var(--bord);
      border-radius: 50%; width: 44px; height: 44px; min-width: 44px;
      font-size: .95rem; cursor: pointer; color: var(--txt);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0; transition: background .18s;
    }
    .modal-close-btn:hover { background: #f0f4f8; }
    .modal-body { padding: 18px 22px; }
    .modal-body p { font-size: .92rem; color: var(--txt2); line-height: 1.75; margin-bottom: 12px; }
    .modal-body p:last-child { margin-bottom: 0; }
    .modal-footer {
      display: flex; gap: 10px; flex-wrap: wrap;
      padding: 14px 22px 22px;
      border-top: 1px solid var(--bord);
    }

    /* Variante de modale — alerte destructive */
    .modal-box.modal-danger .modal-header { border-bottom-color: #fed7d7; }
    .modal-box.modal-danger .modal-title { color: var(--rouge); }

    /* Bouton ouvrir modale */
    .open-modal-btn {
      background: var(--primaire); color: #fff;
      border: none; padding: 10px 20px; border-radius: var(--r);
      font-size: .9rem; font-weight: 600; cursor: pointer;
      min-height: 44px; transition: background .18s;
      display: inline-flex; align-items: center; gap: 7px;
    }
    .open-modal-btn:hover { background: #2d2d4a; }
    .open-modal-btn.danger { background: var(--rouge); }
    .open-modal-btn.danger:hover { background: #c53030; }

    /* ══════════════════════════════════════════════════════
       6. MENU SIMPLE
    ══════════════════════════════════════════════════════ */
    .nav-simple {
      background: var(--primaire);
      border-radius: var(--r);
      padding: 8px;
      display: flex; align-items: center; justify-content: space-between;
      gap: 8px; flex-wrap: wrap;
    }
    .nav-simple-logo {
      color: #fff; font-weight: 700; font-size: .97rem;
      text-decoration: none; padding: 4px 8px; flex-shrink: 0;
    }
    .nav-simple-links {
      display: flex; gap: 2px; list-style: none; flex-wrap: wrap;
    }
    .nav-simple-links a {
      color: rgba(255,255,255,.92); text-decoration: none;
      padding: 8px 14px; border-radius: var(--r);
      font-size: .88rem; transition: background .18s; white-space: nowrap;
      min-height: 44px; display: inline-flex; align-items: center;
    }
    .nav-simple-links a:hover { background: rgba(255,255,255,.12); color: #fff; }
    .nav-simple-links a[aria-current="page"] {
      background: rgba(34,197,94,.25); color: #fff; font-weight: 600;
    }
    .nav-simple-links a[aria-current="page"]::before {
      content: ''; display: inline-block;
      width: 6px; height: 6px; border-radius: 50%;
      background: var(--accent); margin-right: 7px; flex-shrink: 0;
    }
    .nav-simple-cta {
      background: var(--accent); color: var(--primaire) !important;
      font-weight: 700 !important; border-radius: var(--r);
    }
    .nav-simple-cta:hover { background: #16a34a !important; color: #fff !important; }

    /* Burger du menu simple */
    .nav-simple-burger {
      display: none; background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.25);
      color: #fff; border-radius: var(--r);
      padding: 0 12px; min-height: 44px; min-width: 44px;
      cursor: pointer; font-size: 1.2rem;
      align-items: center; justify-content: center;
    }

    /* ══════════════════════════════════════════════════════
       7. MENU COMPLEXE (Mega Menu + Dropdown)
    ══════════════════════════════════════════════════════ */
    .nav-complex {
      background: var(--primaire);
      border-radius: var(--r);
      padding: 0 12px;
      display: flex; align-items: center;
      gap: 0; position: relative; flex-wrap: wrap;
    }
    .nav-complex-logo {
      color: #fff; font-weight: 700; font-size: .97rem;
      text-decoration: none; padding: 14px 12px;
      flex-shrink: 0; margin-right: 8px;
    }
    .nav-complex-items {
      display: flex; list-style: none; flex: 1; gap: 2px;
    }
    .nav-complex-item {
      position: relative;
    }
    .nav-complex-link {
      color: rgba(255,255,255,.85); text-decoration: none;
      padding: 14px 14px; font-size: .88rem;
      display: flex; align-items: center; gap: 5px;
      white-space: nowrap; transition: background .18s;
      border: none; background: none; cursor: pointer;
      font-family: inherit; min-height: 52px;
    }
    .nav-complex-link:hover,
    .nav-complex-link[aria-expanded="true"] {
      background: rgba(255,255,255,.1); color: #fff;
    }
    /* Icône flèche dropdown */
    .nav-arrow {
      font-size: .65rem; transition: transform .2s;
      display: inline-block;
    }
    .nav-complex-link[aria-expanded="true"] .nav-arrow {
      transform: rotate(180deg);
    }

    /* Dropdown simple */
    .dropdown {
      position: absolute; top: 100%; left: 0;
      background: #fff; border-radius: var(--r);
      box-shadow: var(--shadow-lg); min-width: 200px;
      border: 1px solid var(--bord);
      opacity: 0; visibility: hidden; pointer-events: none;
      transform: translateY(6px);
      transition: opacity .18s, visibility .18s, transform .18s;
      z-index: 50;
    }
    .dropdown.open {
      opacity: 1; visibility: visible;
      pointer-events: auto; transform: translateY(0);
    }
    .dropdown ul { list-style: none; padding: 6px; }
    .dropdown li a, .dropdown li button {
      display: flex; align-items: center; gap: 10px;
      padding: 9px 12px; border-radius: var(--r);
      font-size: .88rem; color: var(--txt); text-decoration: none;
      width: 100%; text-align: left; background: none; border: none;
      cursor: pointer; font-family: inherit;
      transition: background .15s;
    }
    .dropdown li a:hover, .dropdown li button:hover {
      background: #f0f4f8;
    }
    .dropdown-icon { font-size: 1rem; width: 20px; text-align: center; flex-shrink: 0; }
    .dropdown-sep { height: 1px; background: var(--bord); margin: 4px 6px; }

    /* Mega menu */
    .megamenu {
      position: absolute; top: 100%; left: -120px;
      background: #fff; border-radius: var(--r-lg);
      box-shadow: var(--shadow-lg); width: 520px;
      border: 1px solid var(--bord);
      opacity: 0; visibility: hidden; pointer-events: none;
      transform: translateY(6px);
      transition: opacity .18s, visibility .18s, transform .18s;
      z-index: 50; padding: 16px;
    }
    .megamenu.open {
      opacity: 1; visibility: visible;
      pointer-events: auto; transform: translateY(0);
    }
    .megamenu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
    .megamenu-card {
      display: flex; align-items: flex-start; gap: 12px;
      padding: 12px; border-radius: var(--r);
      text-decoration: none; color: var(--txt);
      transition: background .15s;
    }
    .megamenu-card:hover { background: #f0f4f8; }
    .megamenu-card-icon {
      font-size: 1.4rem; width: 36px; height: 36px;
      background: #f0f4f8; border-radius: var(--r);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
    }
    .megamenu-card-title { font-size: .88rem; font-weight: 600; margin-bottom: 2px; }
    .megamenu-card-desc  { font-size: .78rem; color: var(--txt2); line-height: 1.4; }
    .megamenu-footer {
      border-top: 1px solid var(--bord); margin-top: 12px;
      padding-top: 12px; display: flex; justify-content: space-between; align-items: center;
    }
    .megamenu-footer-link {
      font-size: .82rem; color: var(--bleu); text-decoration: none; font-weight: 600;
    }
    .megamenu-footer-link:hover { text-decoration: underline; }

    /* Actions droite nav complexe */
    .nav-complex-actions {
      display: flex; align-items: center; gap: 6px; margin-left: auto;
    }
    .nav-complex-actions a {
      color: rgba(255,255,255,.85); text-decoration: none;
      padding: 8px 14px; border-radius: var(--r);
      font-size: .85rem; min-height: 44px;
      display: inline-flex; align-items: center;
      transition: background .18s;
    }
    .nav-complex-actions a:hover { background: rgba(255,255,255,.12); color: #fff; }
    .nav-complex-actions .cta {
      background: var(--accent); color: var(--primaire) !important;
      font-weight: 700; border-radius: var(--r);
    }
    .nav-complex-actions .cta:hover { background: #16a34a !important; }

    /* Burger menu complexe */
    .nav-complex-burger {
      display: none; background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.25);
      color: #fff; border-radius: var(--r);
      min-height: 44px; min-width: 44px;
      cursor: pointer; font-size: 1.2rem;
      align-items: center; justify-content: center;
      margin-left: auto;
    }

    /* Panel mobile menu complexe */
    .nav-complex-mobile-panel {
      display: none; width: 100%;
      background: #16213e;
      border-radius: 0 0 var(--r) var(--r);
      padding: 8px;
    }
    .nav-complex-mobile-panel.open { display: block; }
    .nav-complex-mobile-panel a,
    .nav-complex-mobile-panel button {
      display: flex; align-items: center; gap: 10px;
      color: rgba(255,255,255,.85); text-decoration: none;
      padding: 10px 14px; border-radius: var(--r);
      font-size: .9rem; width: 100%; text-align: left;
      background: none; border: none; cursor: pointer; font-family: inherit;
      transition: background .15s; min-height: 44px;
    }
    .nav-complex-mobile-panel a:hover,
    .nav-complex-mobile-panel button:hover { background: rgba(255,255,255,.1); }
    .nav-complex-mobile-panel .mobile-section-title {
      font-size: .72rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: .06em; color: rgba(255,255,255,.4);
      padding: 10px 14px 4px; pointer-events: none;
    }
    .nav-complex-mobile-panel hr { border-color: rgba(255,255,255,.1); margin: 4px 0; }

    /* ── FOOTER ── */
    .site-footer {
      background: var(--primaire); color: rgba(255,255,255,.92);
      text-align: center; padding: 28px 20px; font-size: .85rem;
    }
    .site-footer a { color: #ffffff; text-decoration: underline; }
    .site-footer-links {
      list-style: none; display: flex; justify-content: center;
      flex-wrap: wrap; gap: 20px; margin-top: 8px;
    }

    /* ══════════════════════════════════════════════════════
       RESPONSIVE MEDIA QUERIES
    ══════════════════════════════════════════════════════ */
    @media (max-width: 900px) {
      .cards-grid { grid-template-columns: repeat(2, 1fr); }
      .megamenu { width: 320px; left: 0; }
      .megamenu-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .site-header { padding: 0 16px; }
      .site-header nav { display: none; }
      .burger-nav { display: flex; }
      .form-pattern { grid-template-columns: 1fr; }
      .form-field.full { grid-column: 1; }
      .tooltip-demo-grid { gap: 16px; }
      .nav-complex-items,
      .nav-complex-actions { display: none; }
      .nav-complex-burger { display: flex; }
      /* Menu simple burger */
      .nav-simple-burger { display: flex; }
      .nav-simple-links { display: none; width: 100%; flex-direction: column; padding: 8px 0; }
      .nav-simple-links.open { display: flex; }
      .nav-simple-links a { padding: 10px 14px; }
    }
    @media (max-width: 560px) {
      .cards-grid { grid-template-columns: 1fr; }
      .hero h1 { font-size: 1.6rem; }
      .modal-footer { flex-direction: column; }
      .modal-footer .btn-primary,
      .modal-footer .btn-secondary { width: 100%; justify-content: center; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
      }
    }

    ::placeholder { color: #767676; opacity: 1; }