@media (max-width: 768px) {
  .danh-sach-sp {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .item-sp {
    width: 45%;
    margin: 10px;
  }

  .item-sp img {
    width: 100%;
    height: auto;
  }

  .mobile-menu-toggle {
    display: block;
    position: fixed;
    top: 20px;
    right: 20px;
    background: #6B4F3B;
    color: white;
    padding: 10px 12px;
    border-radius: 6px;
    z-index: 1001;
    cursor: pointer;
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    right: 0;
    width: 200px;
    background: white;
    box-shadow: -2px 2px 10px rgba(0, 0, 0, 0.2);
    flex-direction: column;
    padding: 10px;
    z-index: 1000;
  }

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

  .mobile-menu a {
    padding: 12px;
    border-bottom: 1px solid #ccc;
    text-decoration: none;
    color: #333;
    font-weight: bold;
  }

  .navbar nav {
    display: none;
    /* Ẩn nav mặc định ở mobile */
  }

  .door-item {
    width: 100%;
    margin: 10px 0;
  }

  .door-item img {
    width: 100%;
    height: auto;
  }

  .san-pham {
    flex-direction: column;
    text-align: center;
  }

  .anh-san-pham {
    width: 90%;
  }

  .thong-tin-san-pham h2 {
    font-size: 30px;
    margin-bottom: 12px;
  }



  .menu-responsive {
    display: block;
    cursor: pointer;
  }

  .description h1 {
    font-size: 1.8rem;
  }

  .product-img {
    height: 180px;
  }

  .gallery .photo {
    width: 100%;
    height: auto;
  }

  #gall-text {
    flex-direction: column;
  }

  .slider-container {
    width: 100%;
    margin-left: 0;
  }

  .footer-top,
  .footer-middle {
    flex-direction: column;
    text-align: center;
  }

  .footer-left,
  .footer-center {
    width: 100%;
  }

  #gall {
    padding: 20px 15px;
  }

  /* 1. GALLERY ảnh */
  .photo {
    width: 100%;
    height: auto;
    max-width: 100%;
  }

  .photo img {
    height: auto;
  }

  .gallery {
    gap: 10px;
  }

  /* 2. Chữ giới thiệu ngắn gọn hơn (thu nhỏ font) */
  p {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 12px;
  }

  h1 {
    font-size: 20px;
  }

  ul {
    padding-left: 20px;
  }

  li {
    font-size: 15px;
    margin-bottom: 6px;
  }

  /* 3. Chia lại phần text & slider theo cột dọc */
  #gall-text {
    flex-direction: column;
  }

  .slider-container {
    width: 100%;
    margin: 20px 0;
  }

  .slide {
    height: auto;
  }

  .slide img {
    width: 100%;
    height: auto;
    object-fit: contain;
  }

  /* 4. Rút gọn phần video TikTok */
  blockquote.tiktok-embed {
    max-width: 100% !important;
    min-width: auto !important;
    margin: 20px auto !important;
    transform: scale(0.9);
  }

  /* 5. Rút gọn footer */
  .footer {
    padding: 20px 15px;
    font-size: 13px;
    text-align: center;
  }

 
  .footer-middle
  {
   display: none;
  }

  .footer-bottom {
    font-size: 13px;
  }

  .footer-bottom img {
    height: 20px;
  }

  .social {
    margin: 10px 0;
  }

  .social-icon {
    font-size: 16px;
    margin: 0 6px;
  }

  .map-box iframe {
    height: 150px;
  }

  .danh-sach-san-pham-khac {
    display: flex;
    overflow-x: auto;
    gap: 16px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 20px;
  }

  .item-sp-khac {
    flex: 0 0 auto;
    width: 180px;
    scroll-snap-align: start;
  }

  .item-sp-khac img {
    height: 260px;
  }

  .danh-sach-sp {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    overflow-x: unset;
  }

  .danh-sach-san-pham-khac {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    overflow-x: unset;
  }

  .item-sp {
    width: 100%;
  }

  body,
  html {
    overflow-x: hidden;
  }

  .goi-ngay {
    margin: 10px;
  }
  .pdf-viewer {
    width: 100%;
    height: 80vh;
  }
}

@media (max-width: 480px) {
  
  .mobile-menu-toggle {
    display: block;
    position: fixed;
    top: 20px;
    right: 20px;
    background: #6B4F3B;
    color: white;
    padding: 10px 12px;
    border-radius: 6px;
    z-index: 1001;
    cursor: pointer;
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    right: 0;
    width: 200px;
    background: white;
    box-shadow: -2px 2px 10px rgba(0, 0, 0, 0.2);
    flex-direction: column;
    padding: 10px;
    z-index: 1000;
  }

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

  .mobile-menu a {
    padding: 12px;
    border-bottom: 1px solid #ccc;
    text-decoration: none;
    color: #333;
    font-weight: bold;
  }

  .navbar nav {
    display: none; /* Ẩn nav mặc định ở mobile */
  }

  body,
  html {
    height: 100%;
    overflow-x: hidden;
  }

  .navbar {
    flex-direction: column;
    height: auto;
    padding: 10px;

  }

  .navbar-right {
    display: none;
  }

  .logo-link img {
    width: 40px;
    height: 40px;
  }

  .custom-slideshow {
    height: auto;
  }

  .product-img {
    height: auto;
    max-height: 180px;
  }


  .brand-name {
    font-size: 20px;
  }

  .description {
    padding: 15px;
  }

  .description h1 {
    font-size: 1.5rem;
  }

  .product-card {
    padding: 10px;
  }

  .product-name {
    font-size: 14px;
  }

  .view-all-btn {
    padding: 8px 16px;
    font-size: 14px;
  }
  .goi-ngay {
    margin: 10px;
  }
  .pdf-viewer {
    width: 100%;
    height: 80vh;
  }
}