:root {
  color-scheme: dark;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  background: #080e13;
  color: #dce9ef;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
header,
footer {
  max-width: 1080px;
  margin: auto;
  padding: 28px 24px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid #273a42;
}
a {
  color: #a9e7d7;
  text-underline-offset: 5px;
}
.brand {
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 2px;
}
main {
  max-width: 960px;
  margin: 60px auto;
  padding: 0 24px;
}
h1 {
  font-size: clamp(36px, 6vw, 66px);
  font-weight: 400;
  line-height: 1.12;
  max-width: 760px;
}
h2 {
  font-weight: 400;
  font-size: 26px;
}
p {
  line-height: 1.8;
  color: #abbfc9;
}
.lead {
  font-size: 19px;
  max-width: 800px;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  color: #a9e7d7;
}
.button {
  display: inline-block;
  padding: 18px 24px;
  background: #a9e7d7;
  color: #0a1d18;
  text-decoration: none;
  font-weight: 700;
  margin: 16px 0 36px;
}
section {
  padding: 28px 0;
  border-top: 1px solid #273a42;
}
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.plans article {
  padding: 18px;
  background: #101f27;
  border: 1px solid #2d464d;
}
h3 {
  font-size: 16px;
}
footer {
  margin-top: 40px;
  border-top: 1px solid #273a42;
  border-bottom: 0;
  font-size: 13px;
}
@media (max-width: 650px) {
  header,
  footer {
    flex-wrap: wrap;
  }
  .plans {
    grid-template-columns: 1fr;
  }
  main {
    margin-top: 36px;
  }
}