:root {
  color-scheme: light dark;
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  background: #f4f7fb;
  color: #0a2540;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(100%, 480px);
  padding: 40px;
  border: 1px solid #d7e0ea;
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 18px 50px rgb(10 37 64 / 10%);
  text-align: center;
}

.mark {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 24px;
  border-radius: 18px;
  background: #dff7e7;
  color: #176b3a;
  font-size: 30px;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 10px;
  color: #37647d;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 8vw, 40px);
  line-height: 1.1;
}

.message {
  margin: 18px 0 28px;
  color: #4f6478;
  font-size: 17px;
  line-height: 1.6;
}

.primary,
.secondary {
  display: block;
  min-height: 48px;
  padding: 14px 18px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
}

.primary {
  background: #0a2540;
  color: #ffffff;
}

.downloads {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #e4eaf0;
  color: #4f6478;
}

.download-links {
  display: grid;
  gap: 10px;
}

.secondary {
  border: 1px solid #b9c7d5;
  color: #0a2540;
}

.privacy {
  margin: 28px 0 0;
  color: #728496;
  font-size: 12px;
  line-height: 1.5;
}

[hidden] {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root {
    background: #071827;
    color: #f4f8fb;
  }

  .card {
    border-color: #29445b;
    background: #102b40;
    box-shadow: none;
  }

  .eyebrow,
  .message,
  .downloads,
  .privacy {
    color: #b7c8d6;
  }

  .primary {
    background: #dff7e7;
    color: #092c1a;
  }

  .secondary {
    border-color: #48667f;
    color: #f4f8fb;
  }

  .downloads {
    border-color: #29445b;
  }
}