/* Force Font Awesome icons to stay upright */
    #module-rw-ap630-features i,
    #module-rw-ap630-features .fas,
    #module-rw-ap630-features .far,
    #module-rw-ap630-features .fab,
    #module-rw-ap630-features .fa {
        font-style: normal !important;
    }

    #module-rw-ap630-features * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    #module-rw-ap630-features {
      font-family: Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      color: #334155;
      max-width: 1200px;
      margin: 0 auto;
      padding: 48px 24px;
    }
    #module-rw-ap630-features .section-title {
      font-size: 28px;
      font-weight: 700;
      color: #0f172a;
      text-align: left;
      margin-bottom: 40px;
      padding-bottom: 10px;
      border-bottom: 3px solid #2563eb;
      display: inline-flex;
      align-items: center;
      gap: 12px;
    }
    #module-rw-ap630-features .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    #module-rw-ap630-features .feature-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 32px 24px;
      display: flex;
      flex-direction: column;
      align-items: center;
      transition: all 0.3s ease;
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    }
    #module-rw-ap630-features .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 12px 28px rgba(37, 99, 235, 0.12);
      border-color: #2563eb;
    }
    #module-rw-ap630-features .feature-header {
      display: flex;
      align-items: center;
      gap: 12px;
      width: 100%;
      margin-bottom: 20px;
    }
    #module-rw-ap630-features .feature-header i {
      font-size: 26px;
      color: #2563eb;
      flex-shrink: 0;
    }
    #module-rw-ap630-features .feature-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
      text-align: left;
      line-height: 1.4;
    }

    /* Common diagram base */
    #module-rw-ap630-features .feature-diagram {
      width: 100%;
      height: 140px;
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
      border-radius: 10px;
      position: relative;
      overflow: hidden;
    }

    /* 1. Wi-Fi 6 OFDMA Diagram */
    .diag-ofdma {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
      width: 85%;
    }
    .diag-ofdma .channel-bar {
      width: 100%;
      height: 36px;
      background: #cbd5e1;
      border-radius: 4px;
      display: flex;
      overflow: hidden;
      position: relative;
    }
    .diag-ofdma .sub-channel {
      flex: 1;
      border-right: 1px solid #94a3b8;
      animation: subchan-pulse 2s infinite ease-in-out;
    }
    .diag-ofdma .sub-channel:last-child { border-right: none; }
    .diag-ofdma .sub-channel:nth-child(1) { background: #93c5fd; animation-delay: 0s; }
    .diag-ofdma .sub-channel:nth-child(2) { background: #60a5fa; animation-delay: 0.2s; }
    .diag-ofdma .sub-channel:nth-child(3) { background: #3b82f6; animation-delay: 0.4s; }
    .diag-ofdma .sub-channel:nth-child(4) { background: #2563eb; animation-delay: 0.6s; }
    @keyframes subchan-pulse {
      0%, 100% { opacity: 0.6; }
      50% { opacity: 1; }
    }
    .diag-ofdma .user-row {
      display: flex;
      justify-content: space-around;
      width: 100%;
    }
    .diag-ofdma .user-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: #1e293b;
      animation: user-blink 2s infinite ease-in-out;
    }
    .diag-ofdma .user-dot:nth-child(1) { animation-delay: 0s; }
    .diag-ofdma .user-dot:nth-child(2) { animation-delay: 0.3s; }
    .diag-ofdma .user-dot:nth-child(3) { animation-delay: 0.6s; }
    .diag-ofdma .user-dot:nth-child(4) { animation-delay: 0.9s; }
    @keyframes user-blink {
      0%, 100% { transform: scale(0.9); opacity: 0.7; }
      50% { transform: scale(1.1); opacity: 1; }
    }

    /* 2. Intelligent Power Monitoring Diagram */
    .diag-power {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      width: 80%;
    }
    .diag-power .power-gauge {
      width: 70px;
      height: 70px;
      border-radius: 50%;
      border: 6px solid #e2e8f0;
      border-top-color: #2563eb;
      border-right-color: #2563eb;
      position: relative;
      animation: gauge-spin 3s infinite ease-in-out;
    }
    .diag-power .power-gauge::after {
      content: "";
      position: absolute;
      top: 50%;
      left: 50%;
      width: 4px;
      height: 22px;
      background: #2563eb;
      transform-origin: bottom center;
      transform: translate(-50%, -100%) rotate(45deg);
      border-radius: 2px;
    }
    @keyframes gauge-spin {
      0%, 100% { transform: rotate(0deg); }
      50% { transform: rotate(30deg); }
    }
    .diag-power .power-status {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .diag-power .status-item {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: #475569;
      font-weight: 500;
    }
    .diag-power .status-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      animation: dot-blink 2s infinite ease-in-out;
    }
    .diag-power .dot-green { background: #10b981; animation-delay: 0s; }
    .diag-power .dot-yellow { background: #f59e0b; animation-delay: 0.5s; }
    @keyframes dot-blink {
      0%, 100% { opacity: 0.5; }
      50% { opacity: 1; }
    }

    /* 3. Seamless Roaming Diagram */
    .diag-roaming {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 85%;
      position: relative;
    }
    .diag-roaming .ap-node {
      width: 40px;
      height: 40px;
      background: #2563eb;
      border-radius: 6px;
      position: relative;
    }
    .diag-roaming .ap-node::after {
      content: "AP";
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      color: white;
      font-size: 10px;
      font-weight: 700;
    }
    .diag-roaming .signal-ring {
      position: absolute;
      top: 50%;
      border: 2px solid rgba(37, 99, 235, 0.4);
      border-radius: 50%;
      transform: translateY(-50%);
      animation: signal-expand 2.5s infinite ease-out;
    }
    .diag-roaming .ap-left .signal-ring { right: -10px; }
    .diag-roaming .ap-right .signal-ring { left: -10px; }
    .diag-roaming .ring1 { width: 30px; height: 30px; animation-delay: 0s; }
    .diag-roaming .ring2 { width: 50px; height: 50px; animation-delay: 0.6s; }
    @keyframes signal-expand {
      0% { opacity: 0.8; transform: translateY(-50%) scale(0.8); }
      100% { opacity: 0; transform: translateY(-50%) scale(1.3); }
    }
    .diag-roaming .client-icon {
      width: 20px;
      height: 20px;
      background: #f59e0b;
      border-radius: 50%;
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      animation: client-move 4s infinite ease-in-out;
    }
    @keyframes client-move {
      0%, 100% { left: 30%; }
      50% { left: 65%; }
    }

    /* 4. WPA3 Security Diagram */
    .diag-wpa3 {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 80%;
    }
    .diag-wpa3 .shield-core {
      width: 60px;
      height: 70px;
      position: relative;
      animation: shield-pulse 2s infinite ease-in-out;
    }
    .diag-wpa3 .shield-core::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 78%;
      background: #2563eb;
      border-radius: 50% 50% 0 0 / 40% 40% 0 0;
    }
    .diag-wpa3 .shield-core::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      border-left: 30px solid transparent;
      border-right: 30px solid transparent;
      border-top: 20px solid #2563eb;
    }
    .diag-wpa3 .shield-ring {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      border: 2px solid rgba(37, 99, 235, 0.5);
      border-radius: 50%;
      animation: ring-expand 2.5s infinite ease-out;
    }
    .diag-wpa3 .ring1 { width: 90px; height: 90px; animation-delay: 0s; }
    .diag-wpa3 .ring2 { width: 110px; height: 110px; animation-delay: 0.6s; }
    .diag-wpa3 .ring3 { width: 130px; height: 130px; animation-delay: 1.2s; }
    @keyframes shield-pulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.05); }
    }
    @keyframes ring-expand {
      0% { opacity: 0.8; transform: translate(-50%, -50%) scale(0.8); }
      100% { opacity: 0; transform: translate(-50%, -50%) scale(1.2); }
    }

    /* 5. Hybrid Cloud Management Diagram */
    .diag-hybrid-mgmt {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
      width: 80%;
    }
    .diag-hybrid-mgmt .cloud-layer {
      width: 56px;
      height: 30px;
      position: relative;
      animation: cloud-float 3s infinite ease-in-out;
    }
    .diag-hybrid-mgmt .cloud-layer span {
      position: absolute;
      background: #3b82f6;
      border-radius: 50%;
    }
    .diag-hybrid-mgmt .c1 { width: 24px; height: 24px; top: 6px; left: 0; }
    .diag-hybrid-mgmt .c2 { width: 32px; height: 32px; top: 0; left: 12px; }
    .diag-hybrid-mgmt .c3 { width: 22px; height: 22px; top: 8px; right: 0; }
    .diag-hybrid-mgmt .c-base {
      position: absolute;
      bottom: 0;
      left: 3px;
      right: 3px;
      height: 14px;
      background: #3b82f6;
      border-radius: 0 0 8px 8px;
    }
    @keyframes cloud-float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-3px); }
    }
    .diag-hybrid-mgmt .mgmt-row {
      display: flex;
      justify-content: space-around;
      width: 100%;
    }
    .diag-hybrid-mgmt .mgmt-item {
      width: 60px;
      height: 28px;
      border-radius: 4px;
      background: #1e40af;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 9px;
      font-weight: 700;
      animation: mgmt-pulse 2s infinite ease-in-out;
    }
    .diag-hybrid-mgmt .mgmt-item:nth-child(1) { animation-delay: 0s; }
    .diag-hybrid-mgmt .mgmt-item:nth-child(2) { animation-delay: 0.4s; }
    .diag-hybrid-mgmt .mgmt-item:nth-child(3) { animation-delay: 0.8s; }
    @keyframes mgmt-pulse {
      0%, 100% { opacity: 0.7; transform: scale(0.95); }
      50% { opacity: 1; transform: scale(1.05); }
    }

    /* 6. Bluetooth 5.1 IoT Diagram */
    .diag-ble51 {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 80%;
    }
    .diag-ble51 .ble-core {
      width: 44px;
      height: 44px;
      background: #2563eb;
      border-radius: 50%;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 700;
      font-size: 12px;
    }
    .diag-ble51 .ble-wave {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      border: 2px solid #3b82f6;
      border-radius: 50%;
      animation: ble-expand 2.5s infinite ease-out;
    }
    .diag-ble51 .wave1 { width: 60px; height: 60px; animation-delay: 0s; }
    .diag-ble51 .wave2 { width: 80px; height: 80px; animation-delay: 0.6s; }
    .diag-ble51 .wave3 { width: 100px; height: 100px; animation-delay: 1.2s; }
    @keyframes ble-expand {
      0% { opacity: 0.8; transform: translate(-50%, -50%) scale(0.7); }
      100% { opacity: 0; transform: translate(-50%, -50%) scale(1.3); }
    }

    /* Feature list */
    #module-rw-ap630-features .feature-list {
      width: 100%;
      list-style: none;
      padding-left: 0;
    }
    #module-rw-ap630-features .feature-list li {
      position: relative;
      padding-left: 20px;
      margin-bottom: 8px;
      color: #475569;
      text-align: left;
    }
    #module-rw-ap630-features .feature-list li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 9px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #2563eb;
    }

    /* Responsive */
    @media (max-width: 992px) {
      #module-rw-ap630-features .features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 576px) {
      #module-rw-ap630-features .features-grid {
        grid-template-columns: 1fr;
      }
      #module-rw-ap630-features .section-title {
        font-size: 22px;
      }
    }