:root {
  --ink: #111111;
  --paper: #f4f1e9;
  --acid: #dfff4f;
  --muted: #67645c;
  --line: rgba(17, 17, 17, 0.2);
  --max: 920px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

a { color: inherit; text-underline-offset: 4px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 241, 233, 0.9);
  backdrop-filter: blur(18px);
}

.nav,
.page,
.footer-inner {
  width: min(calc(100% - 32px), var(--max));
  margin-inline: auto;
}

.nav {
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
  text-transform: uppercase;
}

.mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  background: var(--ink);
  color: var(--acid);
  font-size: 12px;
}

.back {
  font-size: 13px;
  font-weight: 800;
}

.page { padding: 84px 0 100px; }

.kicker {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1 {
  max-width: 850px;
  margin: 20px 0 24px;
  font-size: clamp(52px, 10vw, 100px);
  letter-spacing: -0.075em;
  line-height: 0.87;
  text-transform: uppercase;
}

.summary {
  max-width: 720px;
  margin-bottom: 64px;
  color: var(--muted);
  font-size: 19px;
}

.policy {
  padding-top: 10px;
  border-top: 1px solid var(--ink);
}

.policy section { padding: 28px 0; border-bottom: 1px solid var(--line); }

h2 {
  margin: 0 0 12px;
  font-size: clamp(25px, 4vw, 34px);
  letter-spacing: -0.04em;
  line-height: 1.1;
}

p, li { color: #3f3d38; }

ul { padding-left: 22px; }

.notice {
  margin: 34px 0;
  padding: 18px 20px;
  border: 1px solid var(--ink);
  border-radius: 14px;
  background: var(--acid);
  color: var(--ink);
}

.site-footer { padding: 28px 0; color: #aaa; background: var(--ink); }

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-inner a { color: var(--acid); }

@media (max-width: 640px) {
  .page { padding-top: 58px; }
  .footer-inner { flex-direction: column; }
}