:root {
  --brand-navy: #0A2540;
  --brand-navy-soft: #15324F;
  --brand-amber: #F5A623;
  --brand-amber-soft: #F8B13C;
  --ink: #1B2330;
  --ink-soft: #4A5360;
  --paper: #F7F7F2;
  --paper-soft: #FFFFFF;
  --rule: rgba(10, 37, 64, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ECEEF3;
    --ink-soft: #A8B0BD;
    --paper: #0A2540;
    --paper-soft: #15324F;
    --rule: rgba(255, 255, 255, 0.14);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

header.site {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 48px;
}

header.site .mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-navy), var(--brand-navy-soft));
  display: grid;
  place-items: center;
  color: var(--brand-amber);
  font-size: 24px;
}

header.site .name {
  font-family: -apple-system, "SF Pro Rounded", system-ui, sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.01em;
}

header.site nav {
  margin-left: auto;
  display: flex;
  gap: 20px;
  font-size: 15px;
}

header.site nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

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

h1 {
  font-family: -apple-system, "SF Pro Rounded", system-ui, sans-serif;
  font-size: clamp(32px, 5vw, 44px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 16px;
}

h2 {
  font-family: -apple-system, "SF Pro Rounded", system-ui, sans-serif;
  font-size: 24px;
  letter-spacing: -0.015em;
  margin: 48px 0 12px;
}

h3 {
  font-size: 18px;
  margin: 24px 0 6px;
}

p {
  margin: 0 0 16px;
  color: var(--ink-soft);
}

p.lead {
  font-size: 19px;
  color: var(--ink);
  margin-bottom: 32px;
}

ul {
  padding-left: 22px;
  margin: 0 0 16px;
  color: var(--ink-soft);
}

li { margin-bottom: 8px; }

a { color: var(--brand-amber); }

.card {
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 24px;
  margin: 24px 0;
}

.card h3 { margin-top: 0; }

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-amber);
  color: #1B2330;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  margin-top: 8px;
}

.cta:hover { background: var(--brand-amber-soft); }

.feature-row {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px 16px;
  margin: 12px 0;
}

.feature-row .icon {
  font-size: 20px;
  text-align: center;
  color: var(--brand-amber);
}

.feature-row p { margin: 0; color: var(--ink); }

footer.site {
  margin-top: 80px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-size: 13px;
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
}

footer.site nav {
  display: flex;
  gap: 18px;
}

footer.site a {
  color: var(--ink-soft);
  text-decoration: none;
}

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

dl.faq dt {
  font-weight: 600;
  color: var(--ink);
  margin-top: 24px;
}

dl.faq dd {
  margin: 6px 0 0;
  color: var(--ink-soft);
}