:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #02070a;
  color: #e9f9ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(rgba(0, 211, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 211, 255, 0.05) 1px, transparent 1px),
    #02070a;
  background-size: 32px 32px;
}

header,
main,
footer {
  width: min(760px, calc(100% - 40px));
  margin-inline: auto;
}

header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 40px 0 24px;
  border-bottom: 1px solid #0b9fb8;
}

.app-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
}

h1,
h2 {
  margin: 0;
  color: #55ddff;
  letter-spacing: 0;
}

h1 {
  font-size: 28px;
}

h2 {
  margin-top: 32px;
  font-size: 19px;
  color: #ff922e;
}

.eyebrow {
  margin: 5px 0 0;
  color: #ff922e;
  font-size: 12px;
  text-transform: uppercase;
}

main {
  padding: 8px 0 40px;
  line-height: 1.75;
}

p,
li {
  color: #c7d9df;
}

a {
  color: #55ddff;
}

.notice {
  margin-top: 28px;
  padding: 18px;
  border-left: 3px solid #ff922e;
  background: rgba(255, 146, 46, 0.07);
}

.contact {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 12px;
  padding: 0 16px;
  border: 1px solid #0b9fb8;
  color: #55ddff;
  text-decoration: none;
}

footer {
  padding: 20px 0 32px;
  border-top: 1px solid rgba(11, 159, 184, 0.45);
  color: #78919a;
  font-size: 12px;
}

@media (max-width: 520px) {
  header,
  main,
  footer {
    width: min(100% - 28px, 760px);
  }

  header {
    padding-top: 28px;
  }

  h1 {
    font-size: 24px;
  }
}