:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #5f6b78;
  --line: #d9dee5;
  --paper: #ffffff;
  --wash: #f5f7fa;
  --accent: #1f7a6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--wash);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

main {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0;
}

article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 40px;
}

h1 {
  margin: 0 0 8px;
  font-size: 36px;
  line-height: 1.15;
}

h2 {
  margin: 32px 0 8px;
  font-size: 22px;
}

p,
li {
  font-size: 16px;
}

.meta,
footer {
  color: var(--muted);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

ul {
  padding-left: 22px;
}

.contact {
  margin-top: 24px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

footer {
  margin-top: 24px;
  font-size: 14px;
}

@media (max-width: 640px) {
  main {
    width: min(100% - 24px, 880px);
    padding: 24px 0;
  }

  article {
    padding: 24px;
  }

  h1 {
    font-size: 30px;
  }
}