:root {
  --bg: #f7f6f2;
  --fg: #23291f;
  --muted: #5f6b58;
  --accent: #3f7d3a;
  --rule: #ddded6;
  --card: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1.25rem 4rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 Georgia, "Times New Roman", serif;
}

.site-header,
main,
footer {
  max-width: 44rem;
  margin: 0 auto;
}

.site-header {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--rule);
}

.header-image {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 6px;
  background: #cfd8c5;
}

.header-text h1 {
  margin: 1.25rem 0 0.35rem;
  font-size: 1.9rem;
  line-height: 1.2;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-style: italic;
}

main article {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--rule);
}

main article:last-child { border-bottom: none; }

h2 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  color: var(--accent);
}

p { margin: 0 0 1rem; }

ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

li { margin-bottom: 0.3rem; }

figure {
  margin: 0 0 1rem;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.chart {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: #eef1e8;
  border-radius: 4px;
}

figcaption {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

footer {
  padding-top: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 32rem) {
  .header-image { height: 120px; }
  .header-text h1 { font-size: 1.5rem; }
}