:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, Arial, sans-serif;
  background: #f6f8f3;
  color: #18352b;
}

* { box-sizing: border-box; }

body { margin: 0; line-height: 1.85; }

main {
  width: min(880px, calc(100% - 32px));
  margin: 40px auto;
  padding: clamp(24px, 5vw, 56px);
  background: #fff;
  border: 1px solid #dfe7df;
  border-radius: 24px;
  box-shadow: 0 12px 36px rgb(24 53 43 / 8%);
}

h1, h2 { line-height: 1.35; color: #123c2e; }
h1 { margin-top: 0; }
h2 { margin-top: 32px; font-size: 1.2rem; }
a { color: #176b51; }
.muted { color: #63756e; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.button {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  background: #176b51;
  color: white;
  text-decoration: none;
  font-weight: 700;
}
li + li { margin-top: 6px; }
footer { margin-top: 40px; padding-top: 20px; border-top: 1px solid #dfe7df; }