:root {
  color-scheme: light dark;
  --bg: #f5f7f8;
  --surface: #e9eef0;
  --text: #172024;
  --muted: #536066;
  --line: #c9d2d6;
  --accent: #075f6b;
  --accent-contrast: #f4fbfc;
  --focus: #008aa0;
  --radius: 14px;
  font-family: Arial, Helvetica, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111719;
    --surface: #1a2326;
    --text: #edf3f4;
    --muted: #a9b6ba;
    --line: #364449;
    --accent: #79c7d0;
    --accent-contrast: #0d2428;
    --focus: #8ce1eb;
  }
}

* { box-sizing: border-box; }
html { background: var(--bg); overflow-x: hidden; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.68;
  overflow-x: hidden;
}
a { color: var(--accent); text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, .button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}
.shell { width: calc(100% - 40px); max-width: 980px; margin-inline: auto; }
.site-header {
  min-height: 72px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  color: var(--text);
  font-size: 20px;
  font-weight: 750;
  letter-spacing: -0.03em;
  text-decoration: none;
}
.nav-links { display: flex; gap: 22px; font-size: 15px; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover { color: var(--text); }
main { padding: 80px 0 112px; }
.hero { max-width: 760px; margin-bottom: 72px; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2 { letter-spacing: -0.035em; line-height: 1.08; }
h1 { margin: 0 0 24px; font-size: clamp(42px, 7vw, 72px); max-width: 18ch; }
h2 { margin: 56px 0 18px; font-size: clamp(26px, 4vw, 38px); }
h3 { margin: 34px 0 10px; font-size: 20px; line-height: 1.3; }
p, li { overflow-wrap: anywhere; }
p, ul { max-width: 72ch; }
.lede { color: var(--muted); font-size: clamp(19px, 2.5vw, 24px); line-height: 1.5; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 10px 18px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 700;
  text-decoration: none;
}
.button:active { transform: translateY(1px); }
.button.secondary { background: transparent; color: var(--accent); }
.summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  overflow: hidden;
  margin: 42px 0 72px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}
.summary section { padding: 28px; background: var(--surface); }
.summary h2 { margin: 0 0 10px; font-size: 22px; }
.summary p { margin: 0; color: var(--muted); font-size: 15px; }
.legal { max-width: 780px; }
.legal h1 { max-width: 16ch; }
.legal li + li { margin-top: 8px; }
.meta { margin: 0 0 40px; color: var(--muted); font-size: 15px; }
.notice {
  max-width: 72ch;
  margin: 32px 0;
  border-left: 4px solid var(--accent);
  padding: 18px 22px;
  background: var(--surface);
}
.site-footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: var(--muted); }

@media (max-width: 680px) {
  .shell { width: calc(100% - 28px); }
  .site-header { min-height: 64px; }
  .nav { align-items: flex-start; padding: 16px 0; }
  .nav { gap: 18px; }
  .nav-links { gap: 12px; font-size: 14px; }
  .nav-links a:not(:first-child) { display: none; }
  main { padding: 56px 0 80px; }
  .hero { margin-bottom: 48px; }
  .summary { grid-template-columns: 1fr; }
  .footer-row { flex-direction: column; }
}