/* ===== Variables CSS modernisées ===== */
    :root {
      --primary: #ff8a04;
      --primary-dark: #e67a00;
      --primary-light: #ffaa2b;
      --secondary: #07d85e;
      --accent: #0a15e4;
      --bg: #f8f9fa;
      --text: #222;
      --text-muted: #6c757d;
      --card: #fff;
      --border: #e9ecef;
      --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
      --radius: 16px;
      --radius-sm: 8px;
      --transition: all 0.25s ease;
    }

    body.dark {
      --bg: #121212;
      --text: #f8f9fa;
      --text-muted: #adb5bd;
      --card: #1e1e1e;
      --border: #2d2d2d;
      --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
      --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.5);
    }

    /* ===== Reset et base ===== */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background: var(--bg);
      color: var(--text);
      font-family: 'Inter', system-ui, sans-serif;
      line-height: 1.6;
      transition: var(--transition);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    button {
      font-family: inherit;
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    /* ===== Layout ===== */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .section {
      padding: 80px 0;
    }

    .section-title {
      font-size: 2.5rem;
      font-weight: 800;
      text-align: center;
      margin-bottom: 3rem;
      position: relative;
      letter-spacing: -0.5px;
    }

    .section-title:after {
      content: '';
      position: absolute;
      bottom: -12px;
      left: 50%;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background: var(--primary);
      border-radius: 2px;
    }

    /* ===== Navigation améliorée ===== */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      -webkit-backdrop-filter: blur(10px);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
      transition: var(--transition);
    }

    body.dark .navbar {
      background: rgba(30, 30, 30, 0.95);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 0;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
    }

    .brand-footer {
      margin-bottom: 20px;
    }

    .logo {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: bold;
      overflow: hidden;
    }

    .logo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .brand-text {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary);
    }

    .nav-links {
      display: flex;
      gap: 4px;
    }

    .nav-link {
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      font-weight: 500;
      transition: var(--transition);
      position: relative;
    }

    .nav-link:after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width 0.3s ease;
    }

    .nav-link:hover:after,
    .nav-link.active:after {
      width: 70%;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--primary);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .theme-toggle,
    .burger {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
      border: none;
      background: transparent;
      color: inherit;
    }

    .theme-toggle:hover,
    .burger:hover {
      background: color-mix(in srgb, var(--primary) 10%, transparent);
    }

    .burger {
      display: none;
    }

    /* ===== Hero section modernisée ===== */
    .hero {
      position: relative;
      height: 500px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: white;
      background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
        url('./images/banniere/sandwich-tomate.webp') center/cover no-repeat;
      border-radius: var(--radius);
      margin: 24px 0 40px;
      overflow: hidden;
    }

    .hero-content {
      max-width: 800px;
      padding: 0 20px;
      z-index: 2;
    }

    .hero-title {
      font-size: clamp(2.5rem, 5vw, 3.5rem);
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 1.5rem;
      letter-spacing: -0.5px;
    }

    .hero-subtitle {
      font-size: 1.25rem;
      margin-bottom: 2.5rem;
      opacity: 0.9;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 28px;
      border-radius: var(--radius);
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      border: none;
      outline: none;
    }

    .btn-primary {
      background: var(--primary);
      color: white;
      box-shadow: 0 4px 14px rgba(255, 138, 4, 0.4);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 138, 4, 0.5);
    }

    .btn-submit-order {
      width: 100%;
    }

    /* ===== Menu Filter amélioré ===== */
    .menu-filter {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      margin-bottom: 40px;
    }

    .filter-btn {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 12px 20px;
      border-radius: var(--radius);
      border: none;
      background: var(--card);
      color: var(--text);
      font-weight: 500;
      cursor: pointer;
      transition: var(--transition);
      box-shadow: var(--shadow);
    }

    .filter-btn.active,
    .filter-btn:hover {
      background: var(--primary);
      color: white;
    }

    /* ===== Product Grid améliorée ===== */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 24px;
      margin-bottom: 40px;
    }

    .product-card {
      background: var(--card);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .product-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-hover);
    }

    .product-image {
      height: 200px;
      overflow: hidden;
      position: relative;
    }

    .product-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .product-card:hover .product-image img {
      transform: scale(1.05);
    }

    .product-badge {
      position: absolute;
      top: 12px;
      right: 12px;
      background: var(--primary);
      color: white;
      padding: 4px 10px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
    }

    .product-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .product-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .product-description {
      color: var(--text-muted);
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .product-controls {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 16px;
    }

    .quantity-control {
      display: flex;
      align-items: center;
      gap: 8px;
      background: color-mix(in srgb, var(--primary) 8%, transparent);
      border-radius: 50px;
      padding: 4px;
    }

    .qty-btn {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      border: none;
      background: var(--primary);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
    }

    .qty-btn:hover {
      background: var(--primary-dark);
      transform: scale(1.1);
    }

    .qty-value {
      font-weight: 600;
      min-width: 20px;
      text-align: center;
    }

    .product-price {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
    }

    .add-to-cart-btn {
      width: 100%;
      padding: 12px;
      background: var(--primary);
      color: white;
      border: none;
      border-radius: var(--radius-sm);
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .add-to-cart-btn:hover {
      background: var(--primary-dark);
    }

    /* ===== About Section améliorée ===== */
    .about-section {
      background: var(--card);
      border-radius: var(--radius);
      padding: 60px;
      margin: 40px 0;
      box-shadow: var(--shadow);
    }

    .about-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-text h2 {
      margin-bottom: 24px;
    }

    .about-text p {
      margin-bottom: 16px;
      line-height: 1.7;
    }

    .about-image {
      border-radius: var(--radius);
      overflow: hidden;
    }

    .about-image img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* ===== Order Section améliorée ===== */
    .order-section {
      display: none;
    }

    .order-form {
      background: var(--card);
      border-radius: var(--radius);
      padding: 40px;
      box-shadow: var(--shadow);
      max-width: 600px;
      margin: 0 auto;
    }

    .form-group {
      margin-bottom: 24px;
    }

    .form-label {
      display: block;
      margin-bottom: 8px;
      font-weight: 500;
    }

    .form-input {
      width: 100%;
      padding: 14px 16px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      background: var(--bg);
      color: var(--text);
      font-size: 1rem;
      transition: var(--transition);
    }

    .form-input:focus {
      border-color: var(--primary);
      outline: none;
      box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
    }

    /* ===== Cart amélioré ===== */
    .cart-btn {
      position: fixed;
      bottom: 24px;
      right: 24px;
      z-index: 999;
      background: var(--primary);
      color: white;
      border: none;
      padding: 16px 24px;
      border-radius: var(--radius);
      font-weight: 600;
      cursor: pointer;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
      display: flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
    }

    .cart-btn:hover {
      background: var(--primary-dark);
      transform: translateY(-3px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }

    .cart-count {
      background: white;
      color: var(--primary);
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      font-weight: 700;
    }

    .cart-panel {
      position: fixed;
      top: 0;
      right: -400px;
      width: 380px;
      height: 100vh;
      background: var(--card);
      box-shadow: -5px 0 25px rgba(0, 0, 0, 0.1);
      z-index: 1000;
      transition: right 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .cart-panel.open {
      right: 0;
    }

    .cart-header {
      padding: 24px;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .cart-title {
      font-size: 1.5rem;
      font-weight: 700;
    }

    .close-cart {
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-muted);
    }

    .cart-items {
      padding: 24px;
      flex-grow: 1;
      overflow-y: auto;
    }

    .cart-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 0;
      border-bottom: 1px solid var(--border);
    }

    .cart-item-info {
      flex-grow: 1;
    }

    .cart-item-name {
      font-weight: 600;
      margin-bottom: 4px;
    }

    .cart-item-price {
      color: var(--primary);
      font-weight: 700;
    }

    .cart-item-quantity {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .cart-item-quantity button {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      border: none;
      background: var(--bg);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
    }

    .cart-item-quantity button:hover {
      background: var(--primary);
      color: white;
    }

    .cart-footer {
      padding: 24px;
      border-top: 1px solid var(--border);
    }

    .cart-total {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 20px;
      font-weight: 700;
      font-size: 1.2rem;
    }

    .cart-actions {
      display: flex;
      gap: 12px;
    }

    .cart-action-btn {
      flex: 1;
      padding: 12px;
      border-radius: var(--radius-sm);
      border: none;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-clear {
      background: color-mix(in srgb, var(--text) 10%, transparent);
      color: var(--text);
    }

    .btn-clear:hover {
      background: color-mix(in srgb, var(--text) 20%, transparent);
    }

    .btn-checkout {
      background: var(--primary);
      color: white;
    }

    .btn-checkout:hover {
      background: var(--primary-dark);
    }

    .empty-cart {
      text-align: center;
      padding: 40px 0;
      color: var(--text-muted);
    }

    .empty-cart i {
      font-size: 3rem;
      margin-bottom: 16px;
      opacity: 0.5;
    }

    /* ===== Toast notification ===== */
    .toast {
      position: fixed;
      bottom: 90px;
      right: 24px;
      background: var(--secondary);
      color: white;
      padding: 16px 24px;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      z-index: 999;
      display: flex;
      align-items: center;
      gap: 12px;
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.3s, transform 0.3s;
    }

    .toast.show {
      opacity: 1;
      transform: translateY(0);
    }

    /* ===== Footer amélioré ===== */
    footer {
      background: var(--card);
      padding: 60px 0 30px;
      margin-top: 80px;
      border-top: 1px solid var(--border);
    }

    .footer-content {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-section h3 {
      font-size: 1.25rem;
      margin-bottom: 20px;
      font-weight: 700;
    }

    .footer-section p {
      margin-bottom: 16px;
      color: var(--text-muted);
    }

    .social-links {
      display: flex;
      gap: 12px;
      margin-top: 20px;
    }

    .social-link {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--bg);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
    }

    .social-link:hover {
      background: var(--primary);
      color: white;
      transform: translateY(-3px);
    }

    .copyright {
      text-align: center;
      padding-top: 30px;
      border-top: 1px solid var(--border);
      color: var(--text-muted);
    }

    .developer-credit {
      text-align: center;
      margin-top: 16px;
      font-size: 0.9rem;
    }

    .developer-credit a {
      color: var(--primary);
      font-weight: 600;
    }

    .developer-info {
      margin-top: 24px;
    }

    .developer-link {
      color: var(--primary);
      font-weight: 600;
    }

    /* ===== Recap Card ===== */
    .recap-card {
      background: var(--card);
      border-radius: var(--radius);
      padding: 40px;
      box-shadow: var(--shadow);
      max-width: 600px;
      margin: 40px auto;
      display: none;
    }

    .recap-title {
      font-size: 1.5rem;
      margin-bottom: 24px;
      font-weight: 700;
    }

    .recap-info {
      margin-bottom: 32px;
    }

    .recap-info p {
      margin-bottom: 12px;
    }

    .recap-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .recap-btn {
      flex: 1;
      min-width: 120px;
      padding: 14px;
      border-radius: var(--radius-sm);
      border: none;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .btn-sms {
      background: #007bff;
      color: white;
    }

    .btn-sms:hover {
      background: #0069d9;
    }

    .btn-whatsapp {
      background: #25D366;
      color: white;
    }

    .btn-whatsapp:hover {
      background: #128C7E;
    }

    .btn-back {
      background: var(--text-muted);
      color: white;
    }

    .btn-back:hover {
      background: color-mix(in srgb, var(--text-muted) 20%, black);
    }

    .btn-download {
      background: #6c757d;
      color: white;
    }

    .btn-download:hover {
      background: #5a6268;
    }

    /* ===== Overlay ===== */
    .overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.5);
      z-index: 999;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s;
    }

    .overlay.active {
      opacity: 1;
      visibility: visible;
    }

    /* ===== PWA Install Button ===== */
    .install-app-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 20px;
      background: var(--primary);
      color: white;
      border: none;
      border-radius: var(--radius);
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      margin-top: 10px;
    }

    .install-app-btn:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }

    .install-app-btn.hidden {
      display: none;
    }

    /* ===== Facture Style ===== */
    .invoice-container {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.8);
      z-index: 10000;
      justify-content: center;
      align-items: center;
    }

    .invoice-content {
      background: white;
      width: 90%;
      max-width: 800px;
      max-height: 90vh;
      overflow-y: auto;
      border-radius: var(--radius);
      padding: 40px;
      box-shadow: var(--shadow-hover);
    }

    .invoice-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 30px;
      border-bottom: 2px solid var(--primary);
      padding-bottom: 20px;
    }

    .invoice-logo {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .invoice-logo-img {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      object-fit: cover;
    }

    .invoice-title {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
    }

    .invoice-details {
      display: flex;
      justify-content: space-between;
      margin-bottom: 30px;
    }

    .invoice-info, .client-info {
      width: 45%;
    }

    .invoice-section-title {
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--primary);
      border-bottom: 1px solid #eee;
      padding-bottom: 5px;
    }

    .invoice-table {
      width: 100%;
      border-collapse: collapse;
      margin-bottom: 20px;
    }

    .invoice-table th {
      background-color: #f9f9f9;
      padding: 12px 15px;
      text-align: left;
      border-bottom: 2px solid var(--primary);
    }

    .invoice-table td {
      padding: 12px 15px;
      border-bottom: 1px solid #eee;
    }

    .invoice-totals {
      text-align: right;
      margin-bottom: 30px;
    }

    .invoice-totals table {
      width: 300px;
      margin-left: auto;
      border-collapse: collapse;
    }

    .invoice-totals td {
      padding: 8px 15px;
      border-bottom: 1px solid #eee;
    }

    .invoice-final-total {
      font-weight: 800;
      font-size: 18px;
      color: var(--primary);
      border-top: 2px solid var(--primary);
    }

    .invoice-footer {
      margin-top: 40px;
      padding-top: 20px;
      border-top: 2px solid var(--primary);
      text-align: center;
      color: #666;
      font-size: 14px;
    }

    .invoice-contact-info {
      display: flex;
      justify-content: space-around;
      margin: 15px 0;
    }

    .invoice-payment-info {
      margin-top: 15px;
      font-style: italic;
    }

    .close-invoice {
      position: absolute;
      top: 20px;
      right: 20px;
      background: var(--primary);
      color: white;
      border: none;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 20px;
    }

    /* ===== Animations et États ===== */
    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes slideInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes bounce {
      0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0,0,0);
      }
      40%, 43% {
        transform: translate3d(0,-30px,0);
      }
    }

    .fade-in {
      animation: fadeIn 0.5s ease forwards;
    }

    .product-card {
      animation: slideInUp 0.6s ease forwards;
    }

    .add-to-cart-btn.added {
      animation: bounce 0.6s ease;
    }

    /* Stagger animation pour la grille de produits */
    .products-grid .product-card:nth-child(1) { animation-delay: 0.1s; }
    .products-grid .product-card:nth-child(2) { animation-delay: 0.2s; }
    .products-grid .product-card:nth-child(3) { animation-delay: 0.3s; }

    /* Notifications */
    .notification {
      position: fixed;
      top: 100px;
      right: 20px;
      background: var(--card);
      border-left: 4px solid var(--primary);
      padding: 16px;
      border-radius: var(--radius);
      box-shadow: var(--shadow-hover);
      transform: translateX(400px);
      transition: transform 0.3s ease;
      z-index: 10000;
      max-width: 350px;
    }

    .notification.show {
      transform: translateX(0);
    }

    .notification-success {
      border-left-color: var(--secondary);
    }

    .notification-error {
      border-left-color: #ff4757;
    }

    /* Loading */
    .loading-spinner {
      display: none;
      position: fixed;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      z-index: 9999;
    }

    /* Lazy loading */
    .lazy-load {
      opacity: 0;
      transition: opacity 0.3s;
    }

    .lazy-load.loaded {
      opacity: 1;
    }

    /* Accessibilité */
    button:focus, 
    input:focus, 
    a:focus {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    /* Contraste amélioré pour le texte */
    @media (prefers-contrast: high) {
      :root {
        --text-muted: #444;
      }
    }

    /* Réduction des animations pour les personnes sensibles */
    @media (prefers-reduced-motion: reduce) {
      * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
      }
    }

    /* ===== Responsive Design ===== */
    @media (max-width: 992px) {
      .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .about-image {
        order: -1;
      }
    }

    @media (max-width: 768px) {
      .burger {
        display: flex;
      }

      .nav-links {
        position: fixed;
        top: 76px;
        left: 0;
        width: 100%;
        background: var(--card);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s, opacity 0.3s;
        z-index: 999;
      }

      .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
      }

      .nav-link {
        width: 100%;
        text-align: center;
        padding: 16px;
      }

      .cart-panel {
        width: 100%;
        right: -100%;
      }

      .hero {
        height: 400px;
      }

      .section {
        padding: 60px 0;
      }

      .recap-actions {
        flex-direction: column;
      }

      .invoice-details {
        flex-direction: column;
      }

      .invoice-info, .client-info {
        width: 100%;
        margin-bottom: 20px;
      }

      .invoice-contact-info {
        flex-direction: column;
        gap: 10px;
      }
    }

    @media (max-width: 576px) {
      .container {
        padding: 0 16px;
      }

      .hero {
        height: 350px;
        margin: 16px 0 30px;
      }

      .section {
        padding: 40px 0;
      }

      .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
      }

      .about-section,
      .order-form,
      .recap-card {
        padding: 24px;
      }

      .cart-btn {
        bottom: 16px;
        right: 16px;
        padding: 14px 20px;
      }

      .toast {
        bottom: 80px;
        right: 16px;
        left: 16px;
      }

      .invoice-content {
        padding: 20px;
      }
    }