/* Responsive — desktop (≥992px) unchanged; tablet & mobile overrides only */

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  border: 1px solid #333;
  background: #fff;
  cursor: pointer;
  flex-shrink: 0;
  z-index: 1001;
}

.nav-toggle:focus {
  outline: 2px solid #2e3192;
  outline-offset: 2px;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: #333;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ——— Tablet: 768px – 991px ——— */
@media (max-width: 991.98px) {
  .header-wrap {
    padding-top: 20px;
    padding-bottom: 40px;
  }

  .header-wrap .top-menu,
  .header-wrap-2 .top-menu {
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 16px;
  }

  .header-wrap .top-menu .list-menu ul li a,
  .header-wrap-2 .top-menu .list-menu ul li a {
    padding: 0 14px;
    font-size: 15px;
  }

  .header-wrap .infomations {
    margin-top: 60px;
    flex-wrap: wrap;
    gap: 24px;
  }

  .header-wrap .infomations .content,
  .header-wrap .infomations .form-header {
    width: 100%;
  }

  .header-wrap .infomations .form-header {
    padding: 24px 28px;
  }

  .homepage-main .about-us {
    padding: 60px 0;
  }

  .homepage-main .about-us .row > .d-flex {
    flex-direction: column !important;
    gap: 32px;
  }

  .homepage-main .about-us .info {
    width: 100%;
    padding-right: 0;
  }

  .homepage-main .about-us .info .detail {
    margin-top: 40px;
  }

  .homepage-main .about-us .video {
    width: 100%;
  }

  .homepage-main .shopping-service {
    padding: 50px 0;
  }

  .homepage-main .shopping-service .pictures {
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
  }

  .homepage-main .shopping-service .pictures .img-service {
    width: 48%;
    min-height: 160px;
  }

  .homepage-main .buying-service {
    padding: 60px 0;
  }

  .homepage-main .buying-service .row > .d-flex {
    flex-direction: column !important;
    gap: 32px;
  }

  .homepage-main .buying-service .info {
    width: 100%;
  }

  .homepage-main .buying-service .pictures {
    width: 100%;
    flex-wrap: wrap;
    gap: 16px;
  }

  .homepage-main .buying-service .pictures .img-service {
    width: 48%;
    min-height: 220px;
  }

  .banner {
    min-height: 260px;
    padding: 24px 16px;
  }

  .banner .title {
    font-size: 36px;
    text-align: center;
  }

  .banner .breadcrumb-item {
    font-size: 14px;
    text-align: center;
  }

  .service-page .des {
    padding: 0 20px;
  }

  .service-page .pictures {
    flex-wrap: wrap;
    gap: 16px;
  }

  .service-page .pictures .img-service {
    width: 100%;
  }

  .blog-page {
    padding: 40px 0;
  }

  .blog-page .contents {
    padding: 0 8px;
  }

  .header-wrap-2 .top-menu .row {
    flex-wrap: wrap;
    align-items: center;
  }

  .track-and-trace-wrap .track-and-trace-layout {
    flex-direction: column-reverse;
  }

  .track-and-trace-wrap .track-results,
  .track-and-trace-wrap .track-sidebar {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .track-and-trace-wrap .track-form {
    margin-bottom: 28px;
  }

  .footer .content .info .license {
    margin-top: 48px;
  }
}

/* ——— Mobile: < 768px ——— */
@media (max-width: 767.98px) {
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .header-wrap .top-menu,
  .header-wrap-2 .top-menu {
    position: relative;
  }

  .header-wrap .top-menu .logo img,
  .header-wrap-2 .top-menu .logo img {
    max-height: 40px;
    width: auto;
  }

  .header-wrap .top-menu .site-nav,
  .header-wrap-2 .top-menu .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 8px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 1000;
    flex-grow: 0;
    justify-content: flex-start;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }

  .header-wrap .top-menu .site-nav.is-open,
  .header-wrap-2 .top-menu .site-nav.is-open {
    display: block;
  }

  .header-wrap .top-menu .site-nav ul,
  .header-wrap-2 .top-menu .site-nav ul {
    padding: 8px 0;
  }

  .header-wrap .top-menu .site-nav ul li,
  .header-wrap-2 .top-menu .site-nav ul li {
    display: block;
    width: 100%;
  }

  .header-wrap .top-menu .site-nav ul li > a,
  .header-wrap-2 .top-menu .site-nav ul li > a {
    display: block;
    padding: 12px 20px;
    font-size: 14px;
  }

  .header-wrap .top-menu .site-nav ul li:hover .sub,
  .header-wrap-2 .top-menu .site-nav ul li:hover .sub {
    display: none;
  }

  .header-wrap .top-menu .site-nav ul li.sub-open .sub,
  .header-wrap-2 .top-menu .site-nav ul li.sub-open .sub {
    display: block;
    position: static;
    padding-top: 0;
    box-shadow: none;
  }

  .header-wrap .top-menu .site-nav ul li .sub ul,
  .header-wrap-2 .top-menu .site-nav ul li .sub ul {
    box-shadow: none;
    padding: 0 0 8px 12px;
    background: #f5f5f5;
  }

  .header-wrap .top-menu .site-nav ul li .sub ul li a,
  .header-wrap-2 .top-menu .site-nav ul li .sub ul li a {
    font-size: 13px;
    padding: 8px 16px;
    white-space: normal;
  }

  .header-wrap .top-menu .site-nav ul li.has-sub > a::after,
  .header-wrap-2 .top-menu .site-nav ul li.has-sub > a::after {
    content: "\f107";
    font-family: FontAwesome;
    float: right;
    transition: transform 0.2s;
  }

  .header-wrap .top-menu .site-nav ul li.has-sub.sub-open > a::after,
  .header-wrap-2 .top-menu .site-nav ul li.has-sub.sub-open > a::after {
    transform: rotate(180deg);
  }

  .header-wrap {
    padding-bottom: 32px;
  }

  .header-wrap .infomations {
    margin-top: 32px;
  }

  .header-wrap .infomations .content h2 {
    font-size: 1.35rem;
  }

  .header-wrap .infomations .form-header {
    padding: 20px 16px;
  }

  .homepage-main .about-us .info .title p,
  .homepage-main .shopping-service .title p,
  .homepage-main .buying-service .info .title p {
    font-size: 24px;
  }

  .homepage-main .shopping-service .pictures .img-service,
  .homepage-main .buying-service .pictures .img-service {
    width: 100%;
    min-height: 180px;
  }

  .banner .title {
    font-size: 28px;
  }

  .banner .breadcrumb-item {
    font-size: 12px;
    line-height: 1.5;
  }

  .banner .breadcrumb-item span {
    padding: 0 6px;
  }

  .service-page {
    padding: 40px 0 60px;
  }

  .service-page .page-title h2 {
    font-size: 20px;
  }

  .blog-page .contents .page-title {
    font-size: 1.25rem;
  }

  .track-and-trace-wrap {
    padding: 24px 0;
  }

  .track-and-trace-wrap .table-track-and-trace {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .track-and-trace-wrap .table-track-and-trace thead tr th,
  .track-and-trace-wrap .table-track-and-trace tbody tr td {
    padding: 6px 10px;
    font-size: 13px;
  }

  .track-and-trace-wrap .page-default img {
    width: 220px;
    max-width: 90%;
  }

  .track-and-trace-wrap .page-404 .page-noti-404 {
    transform: none;
  }

  .track-and-trace-wrap .page-404 .page-noti-404 img {
    max-width: 100%;
    height: auto;
  }

  .footer .content {
    padding: 32px 0 40px;
  }

  .footer .content .info .license {
    margin-top: 32px;
  }

  body.nav-open {
    overflow: hidden;
  }
}

/* ——— Large desktop: ensure toggle hidden ——— */
@media (min-width: 992px) {
  .nav-toggle {
    display: none !important;
  }

  .header-wrap .top-menu .site-nav,
  .header-wrap-2 .top-menu .site-nav {
    display: flex !important;
  }
}