:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --accent: #06124b;
  --border: #d9e2ef;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f8fafc 0%, #eef3fa 100%);
  line-height: 1.65;
}
.container {
  width: min(920px, calc(100% - 32px));
  margin: 24px auto 64px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}
.brand {
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-decoration: none;
}
.cta {
  display: inline-block;
  border-radius: 999px;
  padding: 10px 16px;
  text-decoration: none;
  font-weight: 700;
}
.cta.primary { background: var(--accent); color: #fff; }
.cta.ghost { border: 1px solid var(--border); color: var(--accent); background: #fff; }
.hero {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 14px 32px rgba(9, 20, 63, 0.08);
  margin-bottom: 18px;
}
.hero h1 { margin: 0 0 8px; line-height: 1.2; font-size: clamp(30px, 4.2vw, 44px); }
.hero p { margin: 0; color: var(--muted); font-size: 18px; }
.section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  margin-top: 16px;
}
.section h2 { margin-top: 0; font-size: 28px; line-height: 1.2; }
.section p { margin-bottom: 12px; }
.checklist li { margin-bottom: 8px; }
.faq-item + .faq-item { margin-top: 16px; }
.faq-item h3 { margin-bottom: 6px; }
.related a { color: var(--accent); text-decoration: none; }
.related li { margin-bottom: 8px; }
.footer-note {
  margin-top: 20px;
  color: var(--muted);
  font-size: 14px;
}
@media (max-width: 700px) {
  .hero p { font-size: 16px; }
  .section { padding: 18px; }
}