:root {
  color-scheme: light;
  --ink: #15171a;
  --muted: #5d6470;
  --line: #e5e8ec;
  --brand: #e5481d;
  --surface: #ffffff;
  --soft: #f7f8fa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: #0b61d8; }

.shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  padding: 64px 0 40px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.08;
}

.lead {
  max-width: 720px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 19px;
}

main { padding: 32px 0 56px; }

.card {
  margin-bottom: 20px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
}

h2 { margin: 0 0 12px; font-size: 24px; }
h3 { margin: 24px 0 8px; font-size: 18px; }
p, ul { margin-top: 8px; }
li + li { margin-top: 6px; }

footer {
  padding: 24px 0 40px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.links { display: flex; flex-wrap: wrap; gap: 16px; }

@media (max-width: 560px) {
  header { padding-top: 42px; }
  .card { padding: 22px; }
}