:root {
  color-scheme: dark;
  --ink: #0b0a09;
  --panel: #12100e;
  --line: #4f402c;
  --brass: #caa45f;
  --paper: #e7dec3;
  --muted: #aaa293;
  --white: #f7f4eb;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--white);
  font-family: ui-rounded, "SF Pro Rounded", "PingFang TC", system-ui, sans-serif;
  line-height: 1.7;
}

a { color: var(--paper); }

.masthead {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 10, 9, 0.96);
}

nav,
main,
footer {
  width: min(1080px, calc(100% - 40px));
  margin-inline: auto;
}

nav {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--white);
  font-weight: 760;
  text-decoration: none;
}

.brand img { border-radius: 8px; }

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 650;
}

.nav-link:hover,
.nav-link:focus-visible { color: var(--paper); }

.intro {
  min-height: 560px;
  padding: 96px 0 72px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  border-bottom: 1px solid var(--line);
}

.specimen-number,
.eyebrow {
  margin: 0 0 14px;
  color: var(--brass);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
}

h1,
h2,
p { margin-top: 0; }

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.65rem, 8vw, 5.6rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: 1.65rem;
  line-height: 1.3;
  letter-spacing: 0;
}

.lead {
  max-width: 690px;
  margin-bottom: 34px;
  color: var(--paper);
  font-size: 1.18rem;
}

.primary-action {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border: 1px solid var(--brass);
  border-radius: 6px;
  background: var(--paper);
  color: #292116;
  font-weight: 800;
  text-decoration: none;
}

.primary-action:hover,
.primary-action:focus-visible { background: var(--white); }

.support-band {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(0, 1.5fr);
  gap: 64px;
  padding: 80px 0;
  border-bottom: 1px solid var(--line);
}

.section-heading { align-self: start; }

.faq-list { border-top: 1px solid var(--line); }

details { border-bottom: 1px solid var(--line); }

summary {
  padding: 24px 42px 24px 0;
  cursor: pointer;
  color: var(--paper);
  font-size: 1.03rem;
  font-weight: 750;
}

details p {
  max-width: 660px;
  padding: 0 0 24px;
  color: var(--muted);
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(0, 1.5fr);
  gap: 64px;
  padding: 80px 0;
}

.contact-copy { color: var(--muted); }
.contact-copy a { font-weight: 750; }

.policy {
  max-width: 760px;
  padding: 92px 0 100px;
  margin-inline: auto;
}

.policy-heading {
  padding-bottom: 48px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--line);
}

.policy h1 { font-size: clamp(2.5rem, 7vw, 4.8rem); }

.policy section {
  padding: 6px 0 28px;
  color: var(--muted);
}

.policy section h2 { color: var(--paper); }
.updated { color: var(--muted); font-size: 0.92rem; }

footer {
  min-height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

footer a { color: var(--muted); }

@media (max-width: 720px) {
  nav,
  main,
  footer { width: min(100% - 28px, 1080px); }

  nav { min-height: 76px; }
  .brand img { width: 46px; height: 46px; }
  .intro { min-height: 500px; padding: 72px 0 56px; }
  .support-band,
  .contact-band { grid-template-columns: 1fr; gap: 28px; padding: 58px 0; }
  .policy { padding: 68px 0 76px; }
  footer { min-height: 130px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 8px; }
}