.join-network-section {
      display: flex;
    justify-content: center;
    margin-top: 100px;
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background-color: rgba(0, 118, 114, 0.1);
      color: #004b49;
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.8px;
      padding: 6px 14px;
      border-radius: 999px;
      margin-bottom: 16px;
    }

    .section-title {
      font-weight: 800;
      color: #004b49;
      margin-bottom: 12px;
      text-align: center;
      margin-bottom: 45px;
    }

    .section-subtitle {
      max-width: 650px;
      margin: 0 auto 44px;
      color: #536967;
      font-size: 1.05rem;
    }

    /* Action Cards Grid */
    .membership-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 28px;
      text-align: left;
    }

    /* Card Component */
    .membership-card {
      background: #ffffff;
      border: 1.5px solid #d4e8e6;
      border-radius: 18px;
      padding: 36px 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      box-shadow: 0 4px 12px rgba(0, 75, 73, 0.05);
    }

    .membership-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--cisi-primary-teal);
    }

    /* Featured / Recommended Card highlight */
    .membership-card.featured {
      background: linear-gradient(180deg, #ffffff 0%, #faffff 100%);
      border: 2px solid var(--cisi-accent-teal);
    }

    .card-ribbon {
      position: absolute;
      top: -12px;
      right: 24px;
      background: #009688;
      color: #ffffff;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      padding: 4px 12px;
      border-radius: 6px;
      box-shadow: 0 2px 6px rgba(0, 150, 136, 0.3);
    }

    .card-header-group {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 20px;
    }

    .icon-container {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: rgba(0, 118, 114, 0.08);
      color: #007672;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .membership-card.featured .icon-container {
      background: #007672;
      color: #ffffff;
    }

    .card-title {
      font-size: 20px;
      font-weight: 700;
      color: #004b49;
    }

    .card-description {
      color: #536967;
      font-size: 17px;
      line-height: 1.55;
      margin-bottom: 20px;
    }

    /* Discount Callout */
    .perk-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background-color: #fff9ed;
      color: #966107;
      border: 1px dashed #f2c779;
      padding: 6px 12px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 28px;
    }

    .membership-card:not(.featured) .perk-tag {
      background-color: rgba(0, 118, 114, 0.06);
      color: #004b49;
      border: 1px dashed rgba(0, 118, 114, 0.3);
    }

    /* Action Buttons */
    .btns {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      padding: 14px 24px;
      border-radius: 10px;
      font-size: 16px;
      font-weight: 700;
      text-decoration: none;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      gap: 8px;
      cursor: pointer;
    }

    /* Primary CTA */
    .btn-primarys {
      background: #004b49;
      color: #ffffff;
      border: none;
    }

    .btn-primarys:hover {
      background: #003635;
      box-shadow: 0 6px 16px rgba(0, 75, 73, 0.25);
      color:#ffffff;
    }

    /* Secondary / Outline CTA */
    .btn-outline {
      background: transparent;
      color: #004b49;
      border: 2px solid #004b49;
    }

    .btn-outline:hover {
      background: #004b49;
      color: #ffffff;
      box-shadow: 0 6px 16px rgba(0, 75, 73, 0.15);
    }

    .btn-arrow {
      transition: transform 0.2s ease;
    }

    .btn:hover .btn-arrow {
      transform: translateX(4px);
    }

    /* Responsive */
    @media (max-width: 640px) {
      .join-network-section {
        padding: 40px 20px;
      }
      .membership-card {
        padding: 28px 20px;
      }
    }