:root {
  --ink: #1c2430;
  --muted: #4d5968;
  --line: #d7dee6;
  --paper: #f6f7f9;
  --card: #ffffff;
  --accent: #0f6e56;
  --accent-dark: #0b5342;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

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

.site-header,
main,
.site-footer {
  width: min(720px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.logo {
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.nav,
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.1rem;
}

.nav a,
.footer-nav a {
  font-family: "Segoe UI", sans-serif;
  font-size: 0.92rem;
  text-decoration: none;
}

.nav a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

main {
  padding: 2.25rem 0 3rem;
}

h1,
h2,
.footer-brand {
  font-family: "Segoe UI", sans-serif;
  line-height: 1.2;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: 2rem;
}

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 0.5rem;
}

h2 {
  margin: 2rem 0 0.5rem;
  font-size: 1.2rem;
}

.eyebrow {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.lead {
  font-size: 1.15rem;
}

.panel {
  margin-top: 2rem;
  padding: 1.25rem 1.35rem;
  background: var(--card);
  border: 1px solid var(--line);
}

.panel h2 {
  margin-top: 0;
}

.button {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.65rem 1rem;
  background: var(--accent);
  color: #fff;
  font-family: "Segoe UI", sans-serif;
  text-decoration: none;
}

.button:hover {
  background: var(--accent-dark);
}

.facts {
  margin: 1.25rem 0 0;
}

.facts div {
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
}

.facts dt {
  font-family: "Segoe UI", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.facts dd {
  margin: 0.15rem 0 0;
}

.site-footer {
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.95rem;
}

.footer-brand {
  margin: 0 0 0.35rem;
  color: var(--ink);
  font-size: 1.05rem;
}

.site-footer p,
.site-footer address {
  margin: 0 0 0.75rem;
  font-style: normal;
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 2.1rem;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }
}