:root {
  --accent: #5b58bd;
  --accent-soft: #ecebfa;
  --text: #1c1b29;
  --secondary: #5d5c6e;
  --background: #fbfaf7;
  --card: #ffffff;
  --separator: #e6e4ee;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #9c99f0;
    --accent-soft: #26254a;
    --text: #f2f1f7;
    --secondary: #aeadc0;
    --background: #121218;
    --card: #1c1c25;
    --separator: #2c2b38;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 48px;
}

.brand {
  font-weight: 700;
  font-size: 20px;
  color: var(--text);
  text-decoration: none;
}

.brand span {
  color: var(--accent);
}

nav a {
  color: var(--secondary);
  text-decoration: none;
  margin-left: 16px;
  font-size: 15px;
}

nav a:hover,
a {
  color: var(--accent);
}

h1 {
  font-size: 40px;
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 22px;
  margin: 40px 0 8px;
}

h3 {
  font-size: 18px;
  margin: 24px 0 4px;
}

p,
li {
  color: var(--secondary);
}

strong {
  color: var(--text);
}

.lede {
  font-size: 20px;
}

.updated {
  font-size: 15px;
}

.card {
  background: var(--card);
  border: 1px solid var(--separator);
  border-radius: 20px;
  padding: 24px;
  margin: 24px 0;
}

.callout {
  background: var(--accent-soft);
  border-radius: 16px;
  padding: 16px 20px;
  margin: 24px 0;
}

.callout p {
  margin: 0;
  color: var(--text);
}

.steps {
  display: grid;
  gap: 16px;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  background: var(--card);
  border: 1px solid var(--separator);
  border-radius: 16px;
  padding: 16px 20px 16px 64px;
  position: relative;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 20px;
  top: 16px;
  width: 28px;
  height: 28px;
  border-radius: 14px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--separator);
  font-size: 15px;
  color: var(--secondary);
}

footer a {
  margin-right: 16px;
}

@media (max-width: 480px) {
  h1 {
    font-size: 32px;
  }
  header {
    flex-direction: column;
    align-items: flex-start;
  }
  nav a {
    margin: 0 16px 0 0;
  }
}