:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  background: #0d1014;
  color: #f5f7fa;
  line-height: 1.7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

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

header {
  padding: 56px 0 24px;
}

main {
  padding-bottom: 48px;
}

footer {
  padding: 24px 0 40px;
  border-top: 1px solid #2c323b;
  color: #aab1bb;
  font-size: 0.9rem;
}

h1,
h2 {
  line-height: 1.3;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 8vw, 3.5rem);
}

h2 {
  margin-top: 40px;
}

a {
  color: #ff786f;
}

.lead {
  color: #c9ced6;
  font-size: 1.1rem;
}

.card {
  margin: 16px 0;
  padding: 20px;
  border: 1px solid #2c323b;
  border-radius: 16px;
  background: #171b21;
}

.button {
  display: inline-block;
  margin: 8px 8px 8px 0;
  padding: 10px 16px;
  border-radius: 999px;
  background: #ff3b30;
  color: white;
  font-weight: 700;
  text-decoration: none;
}

.meta {
  color: #aab1bb;
  font-size: 0.9rem;
}

dt {
  margin-top: 20px;
  font-weight: 700;
}

dd {
  margin: 6px 0 0;
  color: #d5d9df;
}

code {
  overflow-wrap: anywhere;
}