:root {
  --bg: #f7f5f1;
  --surface: #fffdf9;
  --ink: #1f2a2e;
  --muted: #55646b;
  --brand: #0d5c63;
  --brand-soft: #d7ecee;
  --line: #d7ddd6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, #ecf7f8 0%, transparent 45%),
    radial-gradient(circle at 100% 20%, #f3efe6 0%, transparent 38%),
    var(--bg);
  line-height: 1.6;
}

.wrapper {
  width: min(100% - 2rem, 74rem);
  margin-inline: auto;
}

.hero {
  padding: 4.5rem 0 3rem;
  border-bottom: 1px solid var(--line);
}

.kicker {
  margin: 0;
  font-family: "Work Sans", "Segoe UI", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
  font-size: 0.8rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  color: #132025;
}

h1 {
  max-width: 18ch;
  margin: 0.7rem 0 1rem;
  font-size: clamp(1.9rem, 4.6vw, 3.4rem);
}

.lead {
  max-width: 68ch;
  color: var(--muted);
  font-size: 1.12rem;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.quick-links a,
.footer a {
  color: var(--brand);
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.16em;
}

.section {
  padding: 3rem 0;
}

.section.alt {
  background: linear-gradient(180deg, #fbfaf6, #f4f8f7);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  background: var(--surface);
}

caption {
  text-align: left;
  margin-bottom: 0.55rem;
  font-weight: 600;
}

th,
td {
  padding: 0.7rem;
  border: 1px solid var(--line);
  text-align: left;
}

.note {
  margin-top: 0.8rem;
  color: var(--muted);
}

ol {
  padding-left: 1.2rem;
}

details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  padding: 0.7rem 0.9rem;
}

details + details {
  margin-top: 0.7rem;
}

summary {
  font-weight: 600;
  cursor: pointer;
}

.footer {
  padding: 2.4rem 0 3rem;
  font-size: 0.95rem;
}

@media (max-width: 48rem) {
  .hero {
    padding-top: 3rem;
  }

  .lead {
    font-size: 1rem;
  }
}