:root {
  color-scheme: light dark;
  --surface: #f3f6f7;
  --ink: #102a3b;
  --ink-soft: #456071;
  --accent: #126b9b;
  --line: rgba(16, 42, 59, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.65;
}

main {
  width: min(720px, calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0 112px;
}

.back-link {
  display: inline-block;
  margin-bottom: 96px;
  color: var(--accent);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 14ch;
  margin-bottom: 18px;
  font-size: clamp(42px, 6vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.updated {
  margin-bottom: 72px;
  color: var(--ink-soft);
}

section {
  padding: 30px 0;
  border-top: 1px solid var(--line);
}

h2 {
  margin-bottom: 10px;
  font-size: 22px;
  letter-spacing: -0.025em;
}

section p {
  max-width: 65ch;
  margin-bottom: 0;
  color: var(--ink-soft);
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: #10232f;
    --ink: #eef6f8;
    --ink-soft: #b8cad2;
    --accent: #69bce1;
    --line: rgba(238, 246, 248, 0.16);
  }
}

@media (max-width: 767px) {
  main {
    width: min(100% - 32px, 720px);
    padding-top: 40px;
  }

  .back-link {
    margin-bottom: 72px;
  }
}