:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #182230;
  background: #f5f7fa;
}

* { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; }
a { color: #175cd3; }
a:hover { text-decoration-thickness: 2px; }
.wrap { max-width: 800px; margin: auto; padding: 0 24px; }

header { background: #fff; border-bottom: 1px solid #dce3eb; }
header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}
header a { text-decoration: none; }
header strong { color: #182230; font-size: 1.1rem; }
nav { display: flex; gap: 18px; flex-wrap: wrap; }

main { padding-top: 64px; padding-bottom: 80px; }
h1 {
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1.15;
  letter-spacing: -.035em;
  margin: 0 0 24px;
}
h2 { font-size: 1.35rem; line-height: 1.3; margin: 42px 0 12px; }
p, li { max-width: 70ch; }
ul { padding-left: 24px; }
.lead { font-size: 1.2rem; color: #475467; }
.card {
  background: #fff;
  border: 1px solid #dce3eb;
  border-radius: 14px;
  padding: 24px;
  margin-top: 32px;
}
.eyebrow {
  color: #175cd3;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .8rem;
}
footer { border-top: 1px solid #dce3eb; padding: 24px 0; color: #667085; font-size: .9rem; }

@media (max-width: 520px) {
  header .wrap { display: block; }
  nav { margin-top: 10px; gap: 12px; }
  main { padding-top: 44px; }
}