#header {
    background: linear-gradient(135deg, #000 0%, #000 38%, #000 72%, #000 100%) !important;
    border: none;
    box-shadow: 0 0 18px rgba(0, 0, 0, 0.35);
  }

  #header.navbar {
    background: transparent;
  }

  .bg-seo-ac {
    background: transparent;
    padding: 10px 0 8px;
  }

  .seo-ac-header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
  }

  .seo-ac-header-logo {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
  }

  .seo-ac-header-logo .navbar-brand {
    margin: 0 !important;
    padding: 0 !important;
    height: auto;
    display: flex;
    align-items: center;
  }

  #header .seo-ac-header-logo .navbar-brand img {
    display: block;
    height: 50px !important;
    width: auto !important;
    max-width: 100%;
    margin: 0;
  }

  .seo-ac-header-search {
    flex: 1 1 auto;
    min-width: 0;
  }

  .seo-ac-header-search .navbar-form {
    margin: 0;
    padding: 0;
    border: 0;
    box-shadow: none;
  }

  .seo-ac-header-search .input-group {
    width: 100%;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(11, 18, 32, 0.92);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  }

  .seo-ac-header-search .form-control {
    height: 42px;
    padding: 0 16px;
    border: none;
    background: transparent;
    color: #e6f0ff;
    font-size: 13px;
    box-shadow: none;
  }

  .seo-ac-header-search .form-control::placeholder {
    color: #9db3cf;
  }

  .seo-ac-header-search .form-control:focus {
    box-shadow: none;
  }

  .seo-ac-header-search .btn {
    height: 42px;
    padding: 0 16px;
    border: none;
    background: transparent;
  }

  .seo-ac-header-search .btn i {
    font-size: 15px;
    color: #9db3cf;
  }

  .seo-ac-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
  }

  .seo-ac-btn-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 108px;
    height: 42px;
    padding: 0 18px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 999px;
    background: transparent;
    color: #f2f8ff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.25);
    transition: all 0.18s ease;
  }

  .seo-ac-btn-pill--primary {
    background: rgba(11, 18, 32, 0.95);
    border-color: transparent;
  }

  .seo-ac-btn-pill:hover,
  .seo-ac-btn-pill:focus {
    background: #fff;
    color: #1e63d6;
    border-color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
  }

  .seo-ac-header-nav {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .seo-ac-nav-grid {
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
  }

  .seo-ac-nav-grid > li {
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    float: none !important;
  }

  .seo-ac-nav-grid > li > a {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 38px;
    padding: 8px 18px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    background: rgba(11, 18, 32, 0.38);
    color: #f2f8ff !important;
    text-align: center;
    text-transform: uppercase;
    text-decoration: none;
    font-size: 12px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.03em;
    box-sizing: border-box;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.25);
    transition: all 0.18s ease;
  }

  .seo-ac-nav-grid > li > a:hover,
  .seo-ac-nav-grid > li > a:focus {
    background: #fff;
    color: #1e63d6 !important;
    border-color: #fff;
    text-decoration: none;
  }

  @media (min-width: 768px) {
    .seo-ac-nav-grid {
      display: flex !important;
      flex-wrap: wrap !important;
      justify-content: center !important;
      gap: 8px !important;
    }

    .seo-ac-nav-grid > li {
      width: auto;
    }

    .seo-ac-nav-grid > li > a {
      white-space: nowrap;
    }
  }

  @media (max-width: 991px) {
    .seo-ac-header-main {
      gap: 12px;
    }

    .seo-ac-btn-pill {
      min-width: 96px;
      padding: 0 14px;
    }

    .seo-ac-nav-grid > li > a {
      padding: 8px 14px;
      font-size: 11px;
    }
  }

  @media (max-width: 767px) {
    .bg-seo-ac {
      padding: 10px 0;
    }

    .seo-ac-header-main {
      flex-direction: column;
      align-items: stretch;
      gap: 10px;
    }

    .seo-ac-header-logo {
      justify-content: center;
    }

    #header .seo-ac-header-logo .navbar-brand img {
      height: 42px !important;
    }

    .seo-ac-header-search {
      width: 100%;
    }

    .seo-ac-header-search .form-control,
    .seo-ac-header-search .btn {
      height: 40px;
    }

    .seo-ac-header-actions {
      width: 100%;
      gap: 8px;
    }

    .seo-ac-btn-pill {
      flex: 1 1 0;
      min-width: 0;
      height: 40px;
      padding: 0 10px;
      font-size: 11px;
    }

    .seo-ac-nav-grid {
      display: grid !important;
      grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
      grid-template-rows: repeat(3, auto) !important;
      gap: 6px !important;
      width: 100% !important;
    }

    .seo-ac-nav-grid > li > a {
      min-height: 40px;
      padding: 8px 10px;
      border-radius: 10px;
      font-size: 11px;
      white-space: normal;
      word-break: break-word;
    }

    .seo-ac-nav-grid > li:nth-child(1) { grid-column: 1; grid-row: 1; }
    .seo-ac-nav-grid > li:nth-child(2) { grid-column: 1; grid-row: 2; }
    .seo-ac-nav-grid > li:nth-child(3) { grid-column: 1; grid-row: 3; }
    .seo-ac-nav-grid > li:nth-child(4) { grid-column: 2; grid-row: 1; }
    .seo-ac-nav-grid > li:nth-child(5) { grid-column: 2; grid-row: 2; }
    .seo-ac-nav-grid > li:nth-child(6) { grid-column: 2; grid-row: 3; }
  }