:root {
  color-scheme: light;
  --ink: #18201e;
  --muted: #5f6b67;
  --teal: #12947d;
  --teal-dark: #076356;
  --paper: #fffef9;
  --wash: #edf7f3;
  --line: #d9e7e1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #faf8f0 0%, var(--wash) 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 48px auto;
  padding: clamp(28px, 6vw, 64px);
  background: var(--paper);
  border: 1px solid rgba(217, 231, 225, .9);
  border-radius: 28px;
  box-shadow: 0 20px 60px rgba(7, 99, 86, .10);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--teal-dark);
  font-size: .8rem;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: clamp(2rem, 8vw, 3.4rem); line-height: 1.05; }
h2 { margin: 2.2rem 0 .6rem; font-size: 1.25rem; }
p, li { color: var(--muted); }
ul { padding-left: 1.3rem; }
a { color: var(--teal-dark); font-weight: 650; }

.lead { margin: 18px 0 0; font-size: 1.08rem; }
.updated { margin: 8px 0 28px; color: var(--muted); font-size: .9rem; }

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

nav a {
  padding: 10px 14px;
  color: var(--teal-dark);
  background: var(--wash);
  border-radius: 999px;
  text-decoration: none;
}

.card {
  margin-top: 24px;
  padding: 20px;
  background: var(--wash);
  border-radius: 18px;
}

footer {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}

@media (max-width: 520px) {
  main { margin: 16px auto; border-radius: 22px; }
}