:root {
  color-scheme: light;
  --brand: #d90429;
  --brand-dark: #a80721;
  --ink: #101828;
  --muted: #667085;
  --line: #e4e7ec;
  --surface: #ffffff;
  --canvas: #f8fafc;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--canvas); line-height: 1.65; }
a { color: var(--brand-dark); text-underline-offset: 3px; }
a:hover { color: var(--brand); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(228, 231, 236, .9);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1080px, calc(100% - 32px));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-weight: 800; text-decoration: none; }
.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: #fff;
  background: linear-gradient(145deg, #f51631, #b60822);
  box-shadow: 0 8px 20px rgba(217, 4, 41, .2);
}
.brand-mark span { font-size: 22px; transform: translateY(-1px); }
.nav-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
.nav-links a { color: #475467; font-size: 14px; font-weight: 650; text-decoration: none; }

main { width: min(840px, calc(100% - 32px)); margin: 0 auto; padding: 64px 0 80px; }
.hero { padding: 28px 0 36px; }
.eyebrow { margin: 0 0 10px; color: var(--brand); font-size: 12px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1 { max-width: 760px; margin: 0; font-size: clamp(36px, 6vw, 58px); line-height: 1.08; letter-spacing: -.045em; }
.lede { max-width: 700px; margin: 20px 0 0; color: var(--muted); font-size: 18px; }
.updated { margin: 20px 0 0; color: #98a2b3; font-size: 13px; }
h2 { margin: 44px 0 12px; font-size: 24px; line-height: 1.3; letter-spacing: -.02em; }
h3 { margin: 28px 0 8px; font-size: 17px; }
p, li { color: #475467; }
ul, ol { padding-left: 24px; }
li + li { margin-top: 8px; }

.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 28px; }
.card { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); box-shadow: 0 10px 30px rgba(16, 24, 40, .05); }
.card h2 { margin: 0 0 8px; font-size: 19px; }
.card p { margin: 0 0 16px; }
.card a { font-weight: 750; }
.notice { margin: 26px 0; padding: 18px 20px; border: 1px solid #fecdd6; border-radius: 16px; background: #fff1f3; }
.notice strong { display: block; margin-bottom: 4px; color: #881337; }
.notice p { margin: 0; color: #9f1239; }

.button {
  min-height: 50px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: var(--brand);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  text-decoration: none;
}
.button:hover { color: #fff; background: var(--brand-dark); }
.button:disabled { cursor: not-allowed; opacity: .5; }
.button.secondary { color: var(--ink); background: #fff; border: 1px solid var(--line); }
.button.secondary:hover { background: #f9fafb; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.form-card { max-width: 640px; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: 0 18px 45px rgba(16, 24, 40, .07); }
.identity { margin: 18px 0; padding: 14px 16px; border-radius: 12px; background: #f2f4f7; color: #344054; }
.confirm-row { display: flex; align-items: flex-start; gap: 10px; margin: 20px 0; }
.confirm-row input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--brand); }
.confirm-row label { color: #344054; }
.status { display: none; margin-top: 18px; padding: 14px 16px; border-radius: 12px; }
.status.visible { display: block; }
.status.info { color: #175cd3; background: #eff8ff; }
.status.success { color: #067647; background: #ecfdf3; }
.status.error { color: #b42318; background: #fef3f2; }

footer { border-top: 1px solid var(--line); background: #fff; }
.footer-inner { width: min(1080px, calc(100% - 32px)); margin: 0 auto; padding: 26px 0; display: flex; justify-content: space-between; gap: 16px; color: #667085; font-size: 13px; }
.footer-inner p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }

@media (max-width: 680px) {
  .nav { align-items: flex-start; padding: 14px 0; }
  .nav-links { gap: 8px 13px; }
  main { padding-top: 38px; }
  .cards { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
}