:root {
  --ink: #1f2a24;
  --muted: #5d6b63;
  --paper: #f6f3ec;
  --card: #fffdf8;
  --line: #ddd6c8;
  --accent: #b5562b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e9e5dc;
    --muted: #a3aba5;
    --paper: #171b19;
    --card: #1f2522;
    --line: #333b37;
    --accent: #e08a5c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 Georgia, "Times New Roman", serif;
}

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

.top, main, .bottom {
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 1rem;
}

.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.mark {
  font: 700 1.4rem/1 "Trebuchet MS", Verdana, sans-serif;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: .02em;
}
.mark span { color: var(--accent); }

nav a {
  margin-left: 1.25rem;
  color: var(--muted);
  text-decoration: none;
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: .95rem;
}
nav a[aria-current="page"] { color: var(--ink); border-bottom: 2px solid var(--accent); }

.lead { padding: 3.5rem 0 2rem; }
.kicker {
  margin: 0 0 .5rem;
  color: var(--accent);
  font: .8rem/1 "Trebuchet MS", Verdana, sans-serif;
  text-transform: uppercase;
  letter-spacing: .12em;
}
h1 { margin: 0 0 1rem; font-size: clamp(1.9rem, 5vw, 2.8rem); line-height: 1.15; }
h2 { font-size: 1.2rem; margin: 0 0 .5rem; }
.lead p { max-width: 38rem; color: var(--muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.cards article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.25rem;
}
.cards p { margin: 0; color: var(--muted); font-size: .95rem; }

.note { margin-bottom: 2.5rem; }
.note li { margin-bottom: .4rem; }

.bottom {
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  padding-bottom: 2rem;
  color: var(--muted);
  font-size: .85rem;
}