:root {
  --accent: #1f6feb;
  --text: #1c1c1e;
  --muted: #6b6b70;
  --border: #e7e7ea;
  --bg: #ffffff;
}

* {
  box-sizing: border-box;
}

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

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
}

header.site {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  font-size: 20px;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.02em;
}

nav.site a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  margin-left: 20px;
}

nav.site a:hover {
  color: var(--text);
}

main {
  padding: 72px 0 96px;
}

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

h2 {
  font-size: 22px;
  margin: 40px 0 12px;
}

p.lead {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 40px;
}

.features {
  list-style: none;
  padding: 0;
  margin: 0 0 40px;
  display: grid;
  gap: 20px;
}

.features li {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.features li strong {
  display: block;
  margin-bottom: 4px;
}

.features li span {
  color: var(--muted);
  font-size: 15px;
}

a.cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
}

footer.site {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--muted);
  font-size: 13px;
}

footer.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

footer.site a {
  color: var(--muted);
}

article h1 {
  font-size: 28px;
}

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

article .updated {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 32px;
}