:root {
  color-scheme: light dark;
  --background: #f4f7fb;
  --surface: #ffffff;
  --surface-subtle: #eaf1f8;
  --text: #142238;
  --muted: #52647b;
  --line: #cbd7e5;
  --brand: #0b5f55;
  --brand-strong: #08483f;
  --brand-soft: #dff4ee;
  --notice: #8a4b08;
  --notice-bg: #fff2d8;
  --focus: #1769aa;
  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;
  background: var(--background);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
}

a {
  color: var(--brand);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--brand-strong);
}

a:focus-visible {
  border-radius: 0.2rem;
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.2rem;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  padding: 0.7rem 1rem;
  border-radius: 0.45rem;
  background: var(--text);
  color: var(--surface);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.header-inner,
main,
.footer-inner {
  width: min(100% - 2rem, 52rem);
  margin-inline: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1rem;
}

.brand {
  margin: 0;
  color: var(--brand-strong);
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: 0.01em;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

nav a {
  font-size: 0.95rem;
  font-weight: 650;
}

main {
  padding-block: 2.5rem 4rem;
}

.draft-notice {
  margin-bottom: 1.75rem;
  padding: 0.85rem 1rem;
  border: 1px solid #e2b96f;
  border-radius: 0.65rem;
  background: var(--notice-bg);
  color: var(--notice);
  font-weight: 700;
}

.intro {
  margin-bottom: 2rem;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: linear-gradient(145deg, var(--surface), var(--brand-soft));
  box-shadow: 0 1rem 2.5rem rgb(17 50 78 / 8%);
}

.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--brand);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--brand-strong);
  line-height: 1.25;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 3.35rem);
  letter-spacing: -0.035em;
}

h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.35rem, 4vw, 1.8rem);
}

h3 {
  margin: 1.4rem 0 0.45rem;
  font-size: 1.08rem;
}

.lead {
  max-width: 44rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.effective-date {
  margin: 1.2rem 0 0;
  font-weight: 650;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin: 0 0 2rem;
}

.summary-card,
section {
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: var(--surface);
}

.summary-card {
  padding: 1rem;
}

.summary-card strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--brand-strong);
}

.summary-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

section {
  margin-block: 1rem;
  padding: clamp(1.2rem, 3vw, 1.7rem);
}

section p:first-of-type,
section ul:first-of-type {
  margin-top: 0;
}

section p:last-child,
section ul:last-child {
  margin-bottom: 0;
}

li + li {
  margin-top: 0.45rem;
}

.callout {
  border-left: 0.3rem solid var(--brand);
  background: var(--brand-soft);
}

.contact-card {
  display: grid;
  gap: 0.5rem;
}

.contact-card p {
  margin: 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-inner {
  padding-block: 1.4rem;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 44rem) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.65rem;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #07131f;
    --surface: #0e2030;
    --surface-subtle: #122b3f;
    --text: #e8f0f7;
    --muted: #b7c5d4;
    --line: #315069;
    --brand: #67d8bd;
    --brand-strong: #a2ead9;
    --brand-soft: #10382f;
    --notice: #ffd08a;
    --notice-bg: #3f2b10;
    --focus: #8cc9ff;
  }

  .intro {
    box-shadow: none;
  }
}

@media print {
  :root {
    color-scheme: light;
  }

  body {
    background: #ffffff;
    color: #000000;
  }

  .site-header,
  .draft-notice,
  .site-footer {
    display: none;
  }

  main {
    width: 100%;
    padding: 0;
  }

  .intro,
  .summary-card,
  section {
    break-inside: avoid;
    border-color: #888888;
    box-shadow: none;
  }
}