:root {
      --bg-main: #050814;
      --bg-card: #0e1324;
      --bg-soft: #151a2e;
      --accent: #4fd1ff;
      --accent-soft: #a855f7;
      --accent-strong: #06b6d4;
      --text-main: #f9fafb;
      --text-muted: #a1a5c3;
      --border-soft: #1f2438;
      --success: #22c55e;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: radial-gradient(circle at top, #171c34 0, #050814 55%);
      color: var(--text-main);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--accent);
      text-decoration: none;
    }

    a:hover {
      text-decoration: underline;
    }

    .page-wrapper {
      max-width: 1080px;
      margin: 0 auto;
      padding: 1.25rem 1.25rem 2.5rem;
    }

    @media (min-width: 768px) {
      .page-wrapper {
        padding: 2.5rem 1.5rem 3.5rem;
      }
    }

    .hero {
      border-radius: 1.5rem;
      padding: 2rem 1.5rem 2.25rem;
      background: radial-gradient(circle at top left, rgba(79, 209, 255, 0.2), transparent 55%),
                  radial-gradient(circle at top right, rgba(168, 85, 247, 0.18), transparent 55%),
                  linear-gradient(145deg, #050814, #111631);
      border: 1px solid rgba(79, 209, 255, 0.3);
      box-shadow: 0 24px 80px rgba(0, 0, 0, 0.7);
      position: relative;
      overflow: hidden;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.25rem 0.8rem 0.25rem 0.35rem;
      border-radius: 999px;
      background: rgba(15, 23, 42, 0.9);
      border: 1px solid rgba(79, 209, 255, 0.4);
      font-size: 0.75rem;
      color: var(--accent);
      margin-bottom: 1rem;
    }

    .hero-badge-dot {
      width: 0.55rem;
      height: 0.55rem;
      border-radius: 999px;
      background: var(--success);
      box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.2);
    }

    .hero-title {
      font-size: 1.8rem;
      font-weight: 700;
      letter-spacing: 0.02em;
      margin-bottom: 0.75rem;
    }

    @media (min-width: 768px) {
      .hero-title {
        font-size: 2.15rem;
      }
    }

    .hero-subtitle {
      color: var(--text-muted);
      max-width: 40rem;
      margin-bottom: 1.5rem;
      font-size: 0.97rem;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.4fr 1.1fr;
      gap: 1.5rem;
      align-items: flex-start;
    }

    @media (max-width: 768px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin-bottom: 1.75rem;
      font-size: 0.8rem;
    }

    .hero-meta-item {
      padding: 0.25rem 0.75rem;
      border-radius: 999px;
      border: 1px solid rgba(148, 163, 184, 0.3);
      background: rgba(15, 23, 42, 0.7);
      color: var(--text-muted);
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.8rem;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.4rem;
      padding: 0.7rem 1.3rem;
      border-radius: 999px;
      border: none;
      background: linear-gradient(135deg, var(--accent-strong), var(--accent-soft));
      color: #0b1020;
      font-size: 0.9rem;
      font-weight: 600;
      cursor: pointer;
      text-decoration: none;
      box-shadow: 0 14px 40px rgba(79, 209, 255, 0.55);
      transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
      white-space: nowrap;
    }

    .btn-primary span.icon {
      font-size: 1.1rem;
    }

    .btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 18px 50px rgba(79, 209, 255, 0.7);
      filter: brightness(1.04);
      text-decoration: none;
    }

    .btn-secondary {
      font-size: 0.85rem;
      color: var(--text-muted);
      border-bottom: 1px dashed rgba(148, 163, 184, 0.7);
      cursor: pointer;
      text-decoration: none;
    }

    .device-card {
      border-radius: 1.2rem;
      padding: 1rem 1rem 1.1rem;
      background: radial-gradient(circle at top, rgba(79, 209, 255, 0.24), transparent 55%),
                  var(--bg-card);
      border: 1px solid rgba(79, 209, 255, 0.4);
      position: relative;
      overflow: hidden;
    }

    .device-card-title {
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 0.5rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--text-muted);
    }

    .device-card-main {
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 0.6rem;
    }

    .device-card-meta {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 0.75rem;
    }

    .device-card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.45rem;
      margin-bottom: 0.75rem;
    }

    .tag {
      font-size: 0.75rem;
      padding: 0.15rem 0.6rem;
      border-radius: 999px;
      border: 1px solid rgba(148, 163, 184, 0.4);
      background: rgba(15, 23, 42, 0.8);
    }

    .device-card-highlight {
      font-size: 0.8rem;
      padding-top: 0.7rem;
      border-top: 1px dashed rgba(148, 163, 184, 0.35);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 0.5rem;
    }

    .device-card-pill {
      font-size: 0.75rem;
      padding: 0.15rem 0.6rem;
      border-radius: 999px;
      background: rgba(8, 47, 73, 0.9);
      border: 1px solid rgba(56, 189, 248, 0.7);
      color: #e0faff;
    }

    /* Content Layout */
    .content {
      margin-top: 2.25rem;
      display: grid;
      grid-template-columns: minmax(0, 3fr) minmax(0, 1.55fr);
      gap: 2rem;
    }

    @media (max-width: 992px) {
      .content {
        grid-template-columns: 1fr;
      }
    }

    .content-main {
      border-radius: 1.3rem;
      background: rgba(11, 15, 32, 0.92);
      border: 1px solid rgba(51, 65, 85, 0.9);
      padding: 1.6rem 1.25rem;
    }

    @media (min-width: 768px) {
      .content-main {
        padding: 2rem 1.85rem;
      }
    }

    .content-main h2 {
      font-size: 1.25rem;
      margin: 1.5rem 0 0.6rem;
    }

    .content-main h3 {
      font-size: 1.05rem;
      margin: 1.2rem 0 0.4rem;
    }

    .content-main p {
      margin-bottom: 0.9rem;
      color: var(--text-muted);
      font-size: 0.96rem;
    }

    .content-main ul {
      margin: 0.4rem 0 0.95rem 1.1rem;
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    .content-main li {
      margin-bottom: 0.35rem;
    }

    .content-main strong {
      color: var(--text-main);
    }

    .callout {
      border-radius: 0.9rem;
      padding: 0.85rem 0.9rem;
      background: rgba(15, 23, 42, 0.95);
      border: 1px solid rgba(79, 209, 255, 0.45);
      font-size: 0.87rem;
      color: var(--text-muted);
      margin: 1rem 0 1.1rem;
    }

    .callout span {
      color: var(--accent);
      font-weight: 500;
    }

    .content-sidebar {
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
    }

    .sidebar-section {
      border-radius: 1.1rem;
      background: rgba(15, 23, 42, 0.96);
      border: 1px solid rgba(51, 65, 85, 0.9);
      padding: 1.2rem 1rem;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .sidebar-section h3 {
      font-size: 0.95rem;
      margin-bottom: 0.55rem;
      color: var(--text-main);
    }

    .keyword-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 0.35rem;
    }

    .keyword-pill {
      padding: 0.2rem 0.55rem;
      border-radius: 999px;
      border: 1px solid rgba(148, 163, 184, 0.4);
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    .steps {
      list-style: none;
      margin-left: 0;
    }

    .steps li {
      position: relative;
      padding-left: 1.3rem;
      margin-bottom: 0.45rem;
    }

    .steps li::before {
      content: "•";
      position: absolute;
      left: 0;
      top: 0;
      color: var(--accent);
    }

    /* CTA Block */
    .cta-section {
      margin-top: 2.5rem;
      border-radius: 1.4rem;
      background: radial-gradient(circle at top left, rgba(79, 209, 255, 0.2), transparent 55%),
                  radial-gradient(circle at bottom right, rgba(168, 85, 247, 0.18), transparent 55%),
                  var(--bg-soft);
      border: 1px solid rgba(79, 209, 255, 0.5);
      padding: 1.6rem 1.3rem;
    }

    @media (min-width: 768px) {
      .cta-section {
        padding: 1.9rem 1.7rem;
      }
    }

    .cta-eyebrow {
      font-size: 0.75rem;
      color: var(--accent);
      letter-spacing: 0.16em;
      text-transform: uppercase;
      margin-bottom: 0.35rem;
    }

    .cta-title {
      font-size: 1.2rem;
      font-weight: 600;
      margin-bottom: 0.45rem;
    }

    .cta-subtitle {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 1.1rem;
    }

    .cta-benefits {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0.5rem;
      font-size: 0.83rem;
      margin-bottom: 1.1rem;
      color: var(--text-muted);
    }

    @media (max-width: 600px) {
      .cta-benefits {
        grid-template-columns: 1fr;
      }
    }

    .cta-benefits span::before {
      content: "✓ ";
      color: var(--success);
      margin-right: 0.1rem;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.8rem;
      align-items: center;
    }

    .cta-note {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .cta-note strong {
      color: var(--accent);
    }

    /* FAQ Section */
    .faq {
      margin-top: 2.2rem;
    }

    .faq h2 {
      font-size: 1.15rem;
      margin-bottom: 0.9rem;
    }

    .faq-item {
      border-top: 1px solid rgba(30, 64, 175, 0.7);
      padding: 0.85rem 0;
    }

    .faq-q {
      font-size: 0.95rem;
      font-weight: 600;
      margin-bottom: 0.25rem;
    }

    .faq-a {
      font-size: 0.9rem;
      color: var(--text-muted);
    }