:root {
      --bg-0: #010611;
      --bg-1: #06162d;
      --panel: rgba(5, 25, 52, 0.70);
      --line: rgba(56, 217, 255, 0.38);
      --cyan: #38d9ff;
      --orange: #ff6b2a;
      --white: #f7fbff;
      --muted: #9fb8d4;
    }

    * { box-sizing: border-box; }

    html, body {
      width: 100%;
      margin: 0;
      padding: 0;
      background: #020713;
      font-family: "Inter", "Segoe UI", Arial, sans-serif;
      color: var(--white);
      overflow-x: hidden;
    }

    body {
      min-height: 100vh;
    }

    .page {
      position: relative;
      width: 100%;
      min-height: 100vh;
      padding: 0 3.8vw 5vh;
      background:
        radial-gradient(circle at 16% 12%, rgba(0, 128, 255, 0.18) 0%, transparent 30%),
        radial-gradient(circle at 72% 42%, rgba(56, 217, 255, 0.11) 0%, transparent 34%),
        radial-gradient(circle at 92% 6%, rgba(255, 107, 42, 0.10) 0%, transparent 24%),
        linear-gradient(135deg, #010611 0%, #06162d 48%, #010611 100%);
    }

    .page::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(56, 217, 255, 0.040) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56, 217, 255, 0.032) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,.68) 34%, rgba(0,0,0,.35) 100%);
      pointer-events: none;
    }

    .topbar {
      position: relative;
      z-index: 5;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 3.1vh 0 2vh;
    }

    .brand {
      display: flex;
      align-items: center;
      justify-content: flex-start;
    }

    .brand-logo {
      width: 140px;
      height: auto;
      max-height: 80px;
      object-fit: contain;
      display: block;
      filter: drop-shadow(0 0 20px rgba(56, 217, 255, 0.18));
    }

    .nav-links {
      display: flex;
      gap: 24px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .nav-links a {
      color: var(--muted);
      text-decoration: none;
      font-size: 15px;
      font-weight: 720;
      letter-spacing: 0.04em;
      transition: all 0.3s ease;
      padding: 8px 16px;
      border-radius: 999px;
    }

    .nav-links a:hover {
      color: var(--cyan);
      background: rgba(56, 217, 255, 0.10);
      box-shadow: 0 0 20px rgba(56, 217, 255, 0.2);
    }

    .hero {
      position: relative;
      z-index: 2;
      text-align: center;
      padding: 8vh 0 10vh;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--orange);
      font-weight: 800;
      letter-spacing: .12em;
      text-transform: uppercase;
      font-size: clamp(13px, 1.05vw, 18px);
      margin-bottom: 2vh;
    }

    .eyebrow::before {
      content: "";
      width: 44px;
      height: 3px;
      border-radius: 99px;
      background: var(--orange);
      box-shadow: 0 0 18px rgba(255,138,28,.6);
    }

    h1 {
      margin: 0;
      font-size: clamp(48px, 5.2vw, 92px);
      line-height: .98;
      letter-spacing: -0.045em;
      font-weight: 950;
    }

    h1 .gradient {
      background: linear-gradient(90deg, #FFFFFF 0%, var(--cyan) 58%, var(--orange) 108%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      text-shadow: 0 0 24px rgba(40, 216, 255, 0.38);
    }

    .subtitle {
      margin-top: 2vh;
      max-width: 950px;
      color: #d9e8ff;
      font-size: clamp(17px, 1.45vw, 25px);
      line-height: 1.42;
      font-weight: 520;
      margin-left: auto;
      margin-right: auto;
    }

    .subtitle strong {
      color: var(--cyan);
      font-weight: 780;
    }

    .cta-button {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      margin-top: 4vh;
      padding: 18px 32px;
      border-radius: 999px;
      background: linear-gradient(135deg, rgba(56, 217, 255, 0.22), rgba(255, 107, 42, 0.15));
      border: 1px solid rgba(56, 217, 255, 0.42);
      color: var(--white);
      font-size: 18px;
      font-weight: 820;
      text-decoration: none;
      transition: all 0.3s ease;
      box-shadow: 0 0 30px rgba(56, 217, 255, 0.15);
    }

    .cta-button:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 40px rgba(56, 217, 255, 0.25);
      border-color: rgba(56, 217, 255, 0.65);
    }

    .card-grid {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 2.1vw;
      max-width: 1400px;
      margin: 0 auto 8vh;
    }

    .card {
      position: relative;
      border: 1px solid var(--line);
      border-radius: 28px;
      background: linear-gradient(180deg, rgba(5, 25, 52, 0.70), rgba(2, 10, 24, 0.94));
      box-shadow: inset 0 0 36px rgba(56, 217, 255, 0.07), 0 0 34px rgba(0, 168, 255, 0.12);
      padding: 32px;
      overflow: hidden;
      text-decoration: none;
      color: var(--white);
      transition: all 0.3s ease;
    }

    .card::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      border-radius: inherit;
      background: linear-gradient(135deg, rgba(40,216,255,.22), transparent 26%, transparent 70%, rgba(255,138,28,.10));
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .card:hover {
      transform: translateY(-6px);
      box-shadow: inset 0 0 36px rgba(56, 217, 255, 0.10), 0 0 50px rgba(0, 168, 255, 0.20);
      border-color: rgba(56, 217, 255, 0.55);
    }

    .card:hover::before {
      opacity: 1;
    }

    .card-icon {
      width: 72px;
      height: 72px;
      border-radius: 22px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 32px;
      margin-bottom: 22px;
      background: rgba(56, 217, 255, 0.12);
      border: 1px solid rgba(56, 217, 255, 0.28);
      transition: all 0.3s ease;
    }

    .card:hover .card-icon {
      background: rgba(56, 217, 255, 0.18);
      box-shadow: 0 0 30px rgba(56, 217, 255, 0.3);
    }

    .card:nth-child(2) .card-icon {
      background: rgba(255, 107, 42, 0.12);
      border-color: rgba(255, 107, 42, 0.32);
    }

    .card:nth-child(2):hover .card-icon {
      background: rgba(255, 107, 42, 0.18);
      box-shadow: 0 0 30px rgba(255, 107, 42, 0.3);
    }

    .card:nth-child(3) .card-icon {
      background: rgba(16, 185, 129, 0.12);
      border-color: rgba(16, 185, 129, 0.32);
    }

    .card:nth-child(3):hover .card-icon {
      background: rgba(16, 185, 129, 0.18);
      box-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
    }

    .card:nth-child(4) .card-icon {
      background: rgba(139, 92, 246, 0.12);
      border-color: rgba(139, 92, 246, 0.32);
    }

    .card:nth-child(4):hover .card-icon {
      background: rgba(139, 92, 246, 0.18);
      box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
    }

    .card:nth-child(5) .card-icon {
      background: rgba(251, 191, 36, 0.12);
      border-color: rgba(251, 191, 36, 0.32);
    }

    .card:nth-child(5):hover .card-icon {
      background: rgba(251, 191, 36, 0.18);
      box-shadow: 0 0 30px rgba(251, 191, 36, 0.3);
    }

    .card-title {
      font-size: clamp(24px, 2vw, 34px);
      font-weight: 900;
      line-height: 1.1;
      margin: 0 0 12px;
      letter-spacing: -0.02em;
    }

    .card-desc {
      color: #d8e9ff;
      font-size: clamp(15px, 1.1vw, 19px);
      line-height: 1.42;
      margin: 0;
      font-weight: 520;
    }

    .card-tag {
      display: inline-block;
      margin-top: 18px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(56, 217, 255, 0.08);
      border: 1px solid rgba(56, 217, 255, 0.22);
      color: #e8fbff;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .features-section {
      position: relative;
      z-index: 2;
      max-width: 1400px;
      margin: 0 auto 8vh;
      padding: 40px;
      border: 1px solid var(--line);
      border-radius: 32px;
      background: linear-gradient(180deg, rgba(5, 25, 52, 0.50), rgba(2, 10, 24, 0.80));
      box-shadow: inset 0 0 40px rgba(56, 217, 255, 0.05);
    }

    .features-title {
      font-size: clamp(28px, 2.4vw, 42px);
      font-weight: 950;
      line-height: 1.1;
      margin: 0 0 28px;
      text-align: center;
    }

    .features-title .cyan {
      color: var(--cyan);
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 24px;
    }

    .feature-item {
      text-align: center;
      padding: 24px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .feature-icon {
      font-size: 42px;
      margin-bottom: 16px;
      display: block;
    }

    .feature-label {
      font-size: 16px;
      font-weight: 850;
      letter-spacing: 0.04em;
      margin-bottom: 8px;
      color: var(--white);
    }

    .feature-text {
      font-size: 14px;
      line-height: 1.4;
      color: var(--muted);
      margin: 0;
    }

    .footer {
      position: relative;
      z-index: 2;
      text-align: center;
      padding: 4vh 0;
      border-top: 1px solid rgba(56, 217, 255, 0.12);
      margin-top: 4vh;
    }

    .footer-text {
      color: rgba(203, 213, 225, 0.66);
      font-size: 14px;
      letter-spacing: 0.04em;
    }

    @media (max-width: 768px) {
      .page {
        padding: 0 16px 30px;
      }

      .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 24px 0 16px;
      }

      .brand {
        font-size: 24px;
      }

      .nav-links {
        justify-content: flex-start;
        gap: 12px;
      }

      .nav-links a {
        font-size: 13px;
        padding: 6px 12px;
      }

      .hero {
        padding: 4vh 0 6vh;
      }

      .eyebrow {
        font-size: 12px;
        margin-bottom: 14px;
      }

      .eyebrow::before {
        width: 28px;
      }

      h1 {
        font-size: clamp(34px, 10.8vw, 56px);
        line-height: 1.02;
      }

      .subtitle {
        font-size: 16px;
        margin-top: 16px;
      }

      .cta-button {
        padding: 14px 24px;
        font-size: 16px;
        margin-top: 28px;
      }

      .card {
        padding: 24px;
        border-radius: 24px;
      }

      .card-icon {
        width: 56px;
        height: 56px;
        font-size: 26px;
        margin-bottom: 16px;
      }

      .card-title {
        font-size: 26px;
      }

      .card-desc {
        font-size: 15px;
      }

      .features-section {
        padding: 24px;
        border-radius: 24px;
      }

      .features-grid {
        gap: 16px;
      }

      .feature-item {
        padding: 20px;
      }

      .feature-icon {
        font-size: 36px;
      }
    }

    @media (max-width: 480px) {
      .brand {
        font-size: 20px;
      }

      h1 {
        font-size: clamp(30px, 10vw, 48px);
      }

      .card-icon {
        width: 48px;
        height: 48px;
        font-size: 22px;
      }

      .card-title {
        font-size: 22px;
      }
    }