:root {
  color-scheme: light;
  --ink: #111111;
  --paper: #ffffff;
  --muted: #505050;
  --line: #d4d4d4;
  --accent: #0047ab;
  --accent-ink: #ffffff;
  --soft: #f2f6ff;
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  margin: 0;
  min-width: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

a { color: var(--accent); text-underline-offset: 0.16em; }
a:hover, a:focus { color: #002d6b; }

.site-header, .page, .site-footer { padding-inline: 20px; }
.header-inner, .page-inner, .footer-inner { max-width: 900px; margin-inline: auto; }

.site-header { border-bottom: 2px solid var(--ink); }
.header-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; padding-block: 16px; }
.brand { color: var(--ink); font-size: 1.15rem; font-weight: 800; letter-spacing: -0.02em; text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.nav a { font-weight: 700; }

.page { padding-block: 48px 64px; }
.eyebrow { margin: 0 0 10px; color: var(--muted); font-size: 0.9rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.035em; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.45rem, 11vw, 5.4rem); }
h2 { margin: 0 0 14px; font-size: clamp(1.65rem, 7vw, 2.6rem); }
h3 { margin: 0 0 8px; font-size: 1.18rem; }
p { max-width: 720px; margin: 0 0 20px; }
.lede { max-width: 690px; margin-top: 22px; color: #242424; font-size: clamp(1.17rem, 5vw, 1.5rem); line-height: 1.45; }

.hero { border-bottom: 2px solid var(--ink); padding-bottom: 48px; }
.section { padding-block: 42px; border-bottom: 1px solid var(--line); }
.feature-list, .plain-list { padding-left: 1.25em; }
.feature-list { display: grid; gap: 15px; max-width: 700px; font-size: 1.15rem; font-weight: 700; }
.plain-list { max-width: 740px; }
.feature-list li::marker, .plain-list li::marker { color: var(--accent); }
.notice { max-width: 720px; border-left: 6px solid var(--accent); background: var(--soft); padding: 18px 20px; }
.notice p:last-child { margin-bottom: 0; }
.faq { display: grid; gap: 25px; max-width: 740px; }
.faq p { margin-bottom: 0; }

.site-footer { border-top: 2px solid var(--ink); }
.footer-inner { padding-block: 24px 34px; color: var(--muted); font-size: 0.94rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 8px; }
.footer-links a { font-weight: 700; }

:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }

@media (max-width: 420px) {
  .site-header, .page, .site-footer { padding-inline: 16px; }
  .page { padding-block: 34px 48px; }
  .hero { padding-bottom: 36px; }
  .section { padding-block: 34px; }
}