:root {
  --bg: #f6f4ef;
  --text: #24302a;
  --muted: #66736b;
  --accent: #2f6b4f;
  --line: #ddd8cc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161b18;
    --text: #e4e8e3;
    --muted: #9aa69e;
    --accent: #7fc4a0;
    --line: #2c3530;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 Georgia, "Times New Roman", serif;
}
a { color: var(--accent); }
.top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px;
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: bold; font-size: 20px; text-decoration: none; color: var(--text); }
nav a { margin-left: 16px; text-decoration: none; }
main, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
.hero { margin: 24px 0 8px; }
.hero img { width: 100%; height: auto; border-radius: 6px; display: block; }
h1 { font-size: 30px; line-height: 1.25; margin: 24px 0 8px; }
h2 { font-size: 22px; margin: 32px 0 4px; }
.lead { font-size: 19px; color: var(--muted); }
.meta { color: var(--muted); font-size: 15px; margin: 0 0 8px; }
article { border-top: 1px solid var(--line); padding-top: 8px; }
footer { color: var(--muted); font-size: 14px; padding: 32px 16px 48px; }