:root {
  color-scheme: light;
  --sea: #1f6f78;
  --sea-dark: #13464c;
  --parchment: #f6f0e4;
  --ink: #2b241c;
  --muted: #5c5348;
  --border: #d8cbb5;
  --card: #fffdf8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top, rgba(31, 111, 120, 0.12), transparent 42%),
    linear-gradient(180deg, #eef6f7 0%, var(--parchment) 100%);
  line-height: 1.6;
}

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

header,
main,
footer {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.5rem;
}

header {
  padding-top: 2.5rem;
}

.site-mark {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sea);
}

h1 {
  margin: 0.35rem 0 0.75rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
}

.lede,
footer {
  color: var(--muted);
}

.card {
  margin-top: 1.5rem;
  padding: 1.25rem 1.35rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: 0 10px 30px rgba(43, 36, 28, 0.06);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1.25rem;
}

nav a {
  text-decoration: none;
  font-size: 0.95rem;
}

ul {
  padding-left: 1.2rem;
}

footer {
  padding-bottom: 2.5rem;
  font-size: 0.95rem;
}