:root {
  --ink: #1f2a37;
  --ink-soft: #4b5563;
  --accent: #1d3a5f;
  --accent-light: #2e5788;
  --rule: #d9dee5;
  --paper: #ffffff;
  --wash: #f4f6f8;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 17px;
}

a {
  color: var(--accent-light);
}

a:hover {
  color: var(--accent);
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
header {
  background: var(--accent);
  color: #fff;
  padding: 1.1rem 0;
}

header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 2rem;
}

.brand {
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
}

.brand small {
  display: block;
  font-family: Verdana, Arial, sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #b9c8dc;
  margin-top: 0.15rem;
}

nav {
  font-family: Verdana, Arial, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

nav a {
  color: #dce5f0;
  text-decoration: none;
  margin-left: 1.4rem;
}

nav a:first-child {
  margin-left: 0;
}

nav a:hover,
nav a[aria-current="page"] {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Hero */
.hero {
  background: var(--wash);
  border-bottom: 1px solid var(--rule);
  padding: 3rem 0 2.6rem;
}

.hero h1 {
  font-size: 2.1rem;
  font-weight: normal;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.hero p.tagline {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 42em;
}

/* Main content */
main {
  padding: 2.6rem 0 3rem;
}

main h2 {
  font-size: 1.35rem;
  font-weight: normal;
  color: var(--accent);
  margin: 2.2rem 0 0.7rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--rule);
}

main h2:first-child {
  margin-top: 0;
}

main h3 {
  font-size: 1.05rem;
  color: var(--accent);
  margin: 1.6rem 0 0.4rem;
}

main p {
  margin-bottom: 1rem;
  max-width: 46em;
}

main ul {
  margin: 0 0 1rem 1.4rem;
  max-width: 44em;
}

main li {
  margin-bottom: 0.45rem;
}

.effective-date {
  font-family: Verdana, Arial, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.6rem;
}

.callout {
  background: var(--wash);
  border-left: 4px solid var(--accent);
  padding: 1rem 1.2rem;
  margin: 1.2rem 0 1.4rem;
  max-width: 44em;
}

.callout p:last-child {
  margin-bottom: 0;
}

.contact-block {
  background: var(--wash);
  border: 1px solid var(--rule);
  padding: 1.2rem 1.4rem;
  margin: 1rem 0 1.4rem;
  max-width: 30em;
}

.contact-block p {
  margin-bottom: 0.35rem;
}

.fn-ref {
  text-decoration: none;
  font-size: 0.85em;
}

.footnote {
  font-family: Verdana, Arial, sans-serif;
  font-size: 0.74rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--rule);
  padding-top: 0.8rem;
  margin-top: 2.2rem;
}

/* Footer */
footer {
  background: var(--wash);
  border-top: 1px solid var(--rule);
  padding: 1.6rem 0 2rem;
  font-family: Verdana, Arial, sans-serif;
  font-size: 0.74rem;
  color: var(--ink-soft);
}

footer .links {
  margin-bottom: 0.8rem;
}

footer .links a {
  color: var(--ink-soft);
  margin-right: 1.4rem;
}

footer p {
  max-width: 60em;
  margin-bottom: 0.5rem;
}

@media (max-width: 600px) {
  header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  nav a {
    margin-left: 0;
    margin-right: 1.2rem;
  }

  .hero h1 {
    font-size: 1.7rem;
  }
}