:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172033;
  background: #f5f7fb;
}

* { box-sizing: border-box; }

body { margin: 0; }

header, main, footer { width: min(900px, calc(100% - 40px)); margin: 0 auto; }

header {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img { display: block; width: 180px; height: auto; }
nav { display: flex; flex-wrap: wrap; gap: 18px; }
a { color: #2458ba; }
nav a { color: #27354e; text-decoration: none; font-weight: 600; }

main {
  padding: 64px 0 88px;
}

.eyebrow { color: #52627c; font-size: .8rem; font-weight: 700; letter-spacing: .12em; }
h1 { margin: 8px 0 14px; font-size: clamp(2.5rem, 8vw, 4.8rem); line-height: 1; }
h2 { margin-top: 0; }
.lead { max-width: 680px; color: #52627c; font-size: 1.25rem; line-height: 1.6; }
.muted { color: #64748b; }

section {
  margin-top: 28px;
  padding: 28px;
  border: 1px solid #e0e6f0;
  border-radius: 18px;
  background: #fff;
  line-height: 1.65;
}

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.button {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  color: #fff;
  background: #2458ba;
  font-weight: 700;
  text-decoration: none;
}

footer { padding: 22px 0 40px; color: #64748b; font-size: .9rem; }

@media (max-width: 620px) {
  header { align-items: flex-start; flex-direction: column; padding: 20px 0; }
  main { padding-top: 36px; }
  section { padding: 20px; }
}