:root {
  color-scheme: light;
  --paper: #f3efe6;
  --ink: #1d1a16;
  --muted: #5e584e;
  --line: #ddd4c4;
  --mark: #8c3b22;
  --card: #fffaf3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.55;
}

a { color: var(--mark); }

.wrap {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
}

.bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
}

.logo {
  color: var(--ink);
  text-decoration: none;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
  letter-spacing: -0.03em;
}

nav { display: flex; gap: 18px; }

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 16px;
}

nav a[aria-current="page"] { color: var(--ink); }

main { padding: 48px 0 72px; }

h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

h1 { margin: 0 0 18px; font-size: 46px; }

h2 { margin: 36px 0 10px; font-size: 28px; }

p { margin: 0 0 14px; }

.lead { font-size: 20px; max-width: 38em; }

.note { color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 28px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 18px 8px;
}

.card h2 { margin-top: 0; font-size: 24px; }

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 15px;
  padding: 18px 0 28px;
}

@media (min-width: 700px) {
  .grid { grid-template-columns: 1fr 1fr 1fr; }
  .card h2 { font-size: 22px; }
}

@media (max-width: 560px) {
  h1 { font-size: 36px; }
  .bar { align-items: flex-start; flex-direction: column; }
}