:root {
  color-scheme: light;
  --ink: #0b1328;
  --muted: #5f6b82;
  --line: #e3e7ef;
  --soft: #f6f7fa;
  --navy: #111b35;
  --red: #a61d26;
  --red-soft: #fff4f4;
  --white: #fff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.shell { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(227, 231, 239, .86);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand img { width: 43px; height: 43px; }
.wordmark { font-size: 19px; font-weight: 900; letter-spacing: .2em; }
.byline { color: var(--muted); font-size: 10px; margin-top: 2px; }
.byline b { color: var(--red); }

.navlinks { display: flex; gap: 22px; align-items: center; }
.navlinks a { color: var(--muted); font-size: 14px; font-weight: 700; text-decoration: none; }
.navlinks a:hover { color: var(--red); }

.hero { padding: 92px 0 78px; }
.eyebrow { color: var(--red); font-size: 12px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
h1 { max-width: 780px; margin: 14px 0 18px; font-size: clamp(42px, 7vw, 72px); line-height: 1.02; letter-spacing: -.045em; }
.lead { max-width: 700px; margin: 0; color: var(--muted); font-size: clamp(18px, 2.2vw, 22px); line-height: 1.6; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 0 20px; border-radius: 15px; background: var(--navy); color: var(--white); font-weight: 800; text-decoration: none; }
.button.secondary { border: 1px solid var(--line); background: var(--white); color: var(--ink); }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding-bottom: 86px; }
.feature { padding: 26px; border: 1px solid var(--line); border-radius: 22px; background: var(--white); box-shadow: 0 14px 36px rgba(10, 24, 54, .055); }
.feature strong { display: block; margin-bottom: 9px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); line-height: 1.65; }

.page-head { padding: 74px 0 42px; border-bottom: 1px solid var(--line); }
.page-head h1 { max-width: 800px; font-size: clamp(38px, 6vw, 58px); }
.updated { margin-top: 22px; color: var(--muted); font-size: 13px; }

.content { width: min(780px, 100%); padding: 54px 0 84px; }
.content h2 { margin: 42px 0 12px; font-size: 25px; letter-spacing: -.02em; }
.content h2:first-child { margin-top: 0; }
.content h3 { margin: 28px 0 8px; font-size: 18px; }
.content p, .content li { color: #3e4a61; font-size: 16px; line-height: 1.75; }
.content ul, .content ol { padding-left: 24px; }
.content a { color: var(--red); font-weight: 700; }
.notice { margin: 28px 0; padding: 20px 22px; border: 1px solid #efcdd0; border-radius: 18px; background: var(--red-soft); }
.notice p { margin: 0; color: #68181e; }

.faq { margin-top: 24px; display: grid; gap: 12px; }
.faq details { border: 1px solid var(--line); border-radius: 17px; background: var(--white); padding: 19px 20px; }
.faq summary { cursor: pointer; font-weight: 800; }
.faq p { margin-bottom: 0; }

.contact-card { margin-top: 36px; padding: 28px; border-radius: 24px; background: linear-gradient(135deg, #101a33, #242a40 60%, #6f232a); color: var(--white); }
.contact-card h2 { margin-top: 0; }
.contact-card p { color: #d9deea; }
.contact-card a { color: var(--white); }

footer { border-top: 1px solid var(--line); padding: 32px 0 42px; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { text-decoration: none; }

@media (max-width: 720px) {
  .shell { width: min(100% - 28px, 1080px); }
  .nav { min-height: 68px; }
  .navlinks a:not(:last-child) { display: none; }
  .hero { padding: 68px 0 54px; }
  .feature-grid { grid-template-columns: 1fr; padding-bottom: 62px; }
  .page-head { padding: 54px 0 34px; }
  .content { padding: 38px 0 64px; }
  .footer-row { flex-direction: column; }
}
