:root {
      --bg: #f5fbff;
      --surface: #ffffff;
      --ink: #10243a;
      --muted: #5c6f82;
      --line: #d6ecfb;
      --sky: #21a9ff;
      --sky-dark: #0878d7;
      --cyan: #25d6c6;
      --navy: #16324d;
      --amber: #ffcd48;
      --shadow: 0 24px 70px rgba(19, 94, 150, .16);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 6%, rgba(37, 214, 198, .18), transparent 24%),
        radial-gradient(circle at 92% 10%, rgba(33, 169, 255, .2), transparent 26%),
        var(--bg);
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    .header {
      position: sticky;
      top: 0;
      z-index: 20;
      border-bottom: 1px solid rgba(214, 236, 251, .86);
      background: rgba(255, 255, 255, .88);
      backdrop-filter: blur(14px);
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: min(1160px, calc(100% - 32px));
      min-height: 72px;
      margin: 0 auto;
      gap: 20px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
    }

    .brand-mark {
      display: grid;
      place-items: center;
      width: 38px;
      height: 38px;
      border-radius: 8px;
      color: #fff;
      background: linear-gradient(135deg, var(--sky-dark), #68d5ff);
      box-shadow: 0 12px 30px rgba(33, 169, 255, .28);
      font-weight: 950;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      color: #3f5870;
      font-size: 14px;
      font-weight: 760;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 18px;
      border: 1px solid transparent;
      border-radius: 8px;
      font-weight: 900;
      white-space: nowrap;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .button:hover {
      transform: translateY(-1px);
    }

    .button.primary {
      color: #fff;
      background: var(--sky);
      box-shadow: 0 16px 34px rgba(33, 169, 255, .28);
    }

    .button.primary:hover {
      background: var(--sky-dark);
    }

    .button.secondary {
      color: var(--ink);
      border-color: var(--line);
      background: #fff;
    }

    .hero {
      overflow: hidden;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, .86), rgba(245, 251, 255, .96)),
        var(--bg);
    }

    .hero-inner {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(330px, 470px);
      align-items: center;
      gap: 58px;
      width: min(1160px, calc(100% - 32px));
      min-height: calc(100vh - 72px);
      margin: 0 auto;
      padding: 72px 0 66px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-height: 34px;
      padding: 0 12px;
      border: 1px solid #bce8ff;
      border-radius: 8px;
      color: var(--sky-dark);
      background: #eaf7ff;
      font-size: 13px;
      font-weight: 900;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--cyan);
      box-shadow: 0 0 0 6px rgba(37, 214, 198, .18);
    }

    h1 {
      max-width: 760px;
      margin: 24px 0 18px;
      font-size: clamp(42px, 7vw, 76px);
      line-height: .98;
      letter-spacing: 0;
    }

    .hero-copy {
      max-width: 660px;
      margin: 0;
      color: var(--muted);
      font-size: clamp(17px, 2vw, 20px);
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 32px;
    }

    .trust-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .trust-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 36px;
      padding: 0 12px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, .84);
      color: #425c74;
      font-size: 13px;
      font-weight: 800;
    }

    .hero-visual {
      position: relative;
      min-height: 590px;
    }

    .phone {
      position: absolute;
      inset: 0;
      width: min(320px, 80vw);
      height: 580px;
      margin: 0 auto;
      border: 10px solid #17314c;
      border-radius: 38px;
      background: #fff;
      overflow: hidden;
      box-shadow: var(--shadow);
    }

    .phone::before {
      content: "";
      position: absolute;
      top: 12px;
      left: 50%;
      z-index: 3;
      width: 90px;
      height: 22px;
      transform: translateX(-50%);
      border-radius: 999px;
      background: #17314c;
    }

    .screen {
      min-height: 100%;
      padding: 54px 20px 22px;
      background:
        linear-gradient(150deg, rgba(33, 169, 255, .2), transparent 38%),
        #f8fcff;
    }

    .app-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 18px;
      font-weight: 900;
    }

    .app-logo {
      display: grid;
      place-items: center;
      width: 40px;
      height: 40px;
      border-radius: 8px;
      color: #fff;
      background: var(--sky);
      box-shadow: 0 12px 24px rgba(33, 169, 255, .22);
    }

    .wallet-card {
      padding: 20px;
      border-radius: 8px;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, .18), transparent 46%),
        linear-gradient(135deg, var(--sky-dark), #65d6ff);
      box-shadow: 0 18px 36px rgba(33, 169, 255, .24);
    }

    .wallet-card small {
      opacity: .82;
      font-weight: 800;
    }

    .wallet-balance {
      margin-top: 8px;
      font-size: 34px;
      font-weight: 950;
    }

    .quick-actions {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 9px;
      margin-top: 18px;
    }

    .quick-actions span {
      display: grid;
      place-items: center;
      min-height: 38px;
      border-radius: 8px;
      background: rgba(255, 255, 255, .18);
      font-size: 12px;
      font-weight: 850;
    }

    .asset-list {
      display: grid;
      gap: 10px;
      margin-top: 20px;
    }

    .asset-row {
      display: grid;
      grid-template-columns: 38px 1fr auto;
      align-items: center;
      gap: 10px;
      min-height: 58px;
      padding: 10px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #fff;
    }

    .coin {
      display: grid;
      place-items: center;
      width: 38px;
      height: 38px;
      border-radius: 8px;
      color: #fff;
      background: var(--sky);
      font-weight: 950;
    }

    .coin.green {
      background: var(--cyan);
    }

    .coin.gold {
      color: #2d260e;
      background: var(--amber);
    }

    .asset-row strong,
    .asset-row b {
      display: block;
      font-size: 14px;
    }

    .asset-row small {
      color: var(--muted);
      font-weight: 750;
    }

    .qr-card,
    .version-card {
      position: absolute;
      z-index: 2;
      width: 188px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, .94);
      box-shadow: 0 20px 48px rgba(19, 94, 150, .15);
    }

    .qr-card {
      left: 0;
      bottom: 62px;
      padding: 16px;
    }

    .version-card {
      top: 48px;
      right: 0;
      padding: 16px;
    }

    .qr-box {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 4px;
      width: 112px;
      height: 112px;
      margin: 0 auto 12px;
      padding: 8px;
      border-radius: 8px;
      background: #eaf7ff;
    }

    .qr-box i {
      border-radius: 3px;
      background: var(--navy);
    }

    .card-label {
      margin: 0 0 8px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 900;
      text-transform: uppercase;
    }

    .version-row {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 8px 0;
      border-bottom: 1px solid var(--line);
      font-size: 13px;
      font-weight: 850;
    }

    .version-row:last-child {
      border-bottom: 0;
    }

    .section {
      width: min(1160px, calc(100% - 32px));
      margin: 0 auto;
      padding: 82px 0;
    }

    .section-heading {
      max-width: 760px;
      margin-bottom: 32px;
    }

    .section-heading h2 {
      margin: 0 0 12px;
      font-size: clamp(30px, 4vw, 50px);
      line-height: 1.08;
      letter-spacing: 0;
    }

    .section-heading p {
      margin: 0;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.7;
    }

    .download-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .download-card {
      display: flex;
      flex-direction: column;
      min-height: 330px;
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #fff;
      box-shadow: 0 14px 36px rgba(19, 94, 150, .08);
    }

    .download-icon {
      display: grid;
      place-items: center;
      width: 52px;
      height: 52px;
      border-radius: 8px;
      color: #fff;
      background: var(--sky);
      font-size: 20px;
      font-weight: 950;
    }

    .download-card h3 {
      margin: 22px 0 10px;
      font-size: 23px;
      letter-spacing: 0;
    }

    .download-card p {
      margin: 0;
      color: var(--muted);
      line-height: 1.7;
    }

    .meta-list {
      display: grid;
      gap: 8px;
      margin: 20px 0 24px;
      padding: 0;
      list-style: none;
      color: #405c75;
      font-size: 14px;
      font-weight: 780;
    }

    .download-card .button {
      margin-top: auto;
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .step {
      min-height: 220px;
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #fff;
      box-shadow: 0 12px 30px rgba(19, 94, 150, .06);
    }

    .step-number {
      display: grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border-radius: 8px;
      color: #fff;
      background: var(--navy);
      font-weight: 950;
    }

    .step h3 {
      margin: 20px 0 10px;
      font-size: 19px;
    }

    .step p {
      margin: 0;
      color: var(--muted);
      line-height: 1.68;
    }

    .safety {
      color: #fff;
      background:
        linear-gradient(135deg, rgba(33, 169, 255, .24), transparent 45%),
        #142b42;
    }

    .safety .section {
      display: grid;
      grid-template-columns: minmax(0, .82fr) minmax(300px, 1fr);
      align-items: center;
      gap: 42px;
    }

    .safety p {
      color: rgba(255, 255, 255, .74);
    }

    .safety-list {
      display: grid;
      gap: 12px;
      margin-top: 24px;
    }

    .safety-item {
      display: flex;
      align-items: center;
      gap: 12px;
      min-height: 50px;
      padding: 0 14px;
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: 8px;
      background: rgba(255, 255, 255, .06);
      font-weight: 820;
    }

    .check {
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      width: 24px;
      height: 24px;
      border-radius: 7px;
      color: #062723;
      background: var(--cyan);
      font-weight: 950;
    }

    .official-panel {
      padding: 28px;
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: 8px;
      background: rgba(255, 255, 255, .08);
    }

    .official-url {
      display: block;
      margin-top: 16px;
      padding: 18px;
      border-radius: 8px;
      color: #dff6ff;
      background: rgba(255, 255, 255, .08);
      font-size: clamp(20px, 3vw, 34px);
      font-weight: 950;
      word-break: break-word;
    }

    .faq-list {
      display: grid;
      gap: 14px;
    }

    details {
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #fff;
      box-shadow: 0 12px 30px rgba(19, 94, 150, .06);
    }

    summary {
      cursor: pointer;
      padding: 22px 24px;
      color: #142c44;
      font-size: 18px;
      font-weight: 900;
    }

    details p {
      margin: 0;
      padding: 0 24px 22px;
      color: var(--muted);
      line-height: 1.7;
    }

    .footer {
      border-top: 1px solid var(--line);
      background: #fff;
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      width: min(1160px, calc(100% - 32px));
      min-height: 92px;
      margin: 0 auto;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      gap: 18px;
      font-weight: 800;
    }

    @media (max-width: 940px) {
      .nav-links {
        display: none;
      }

      .hero-inner,
      .download-grid,
      .steps,
      .safety .section {
        grid-template-columns: 1fr;
      }

      .hero-inner {
        min-height: auto;
      }

      .hero-visual {
        min-height: 560px;
      }

      .download-grid,
      .steps {
        gap: 14px;
      }
    }

    @media (max-width: 640px) {
      .nav,
      .hero-inner,
      .section,
      .footer-inner {
        width: min(100% - 24px, 1160px);
      }

      .nav {
        min-height: 64px;
      }

      .hero-inner {
        padding: 50px 0;
      }

      h1 {
        font-size: 43px;
      }

      .hero-visual {
        min-height: 480px;
      }

      .phone {
        width: min(300px, 86vw);
        height: 480px;
        border-width: 8px;
      }

      .screen {
        padding: 50px 16px 18px;
      }

      .qr-card,
      .version-card {
        display: none;
      }

      .section {
        padding: 58px 0;
      }

      .download-card,
      .step,
      .official-panel {
        padding: 22px;
      }

      .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        padding: 24px 0;
      }
    }