:root {
  --bg: #fffaf5;
  --fg: #2b2622;
  --muted: #7a6f66;
  --accent: #e07a4f;
  --line: #efe4da;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1917;
    --fg: #ece6e0;
    --muted: #a39890;
    --accent: #f0956c;
    --line: #2f2a26;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 Georgia, "Times New Roman", serif;
}

header, main, footer {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 16px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.brand { font-weight: 700; font-size: 20px; color: var(--fg); }
nav a { margin-left: 18px; font-size: 15px; }

.intro { padding: 40px 0 16px; }
.intro h1 { margin: 0 0 8px; font-size: 32px; line-height: 1.2; }
.intro p { margin: 0; color: var(--muted); }

article { padding: 28px 0; border-bottom: 1px solid var(--line); }
article h2 { margin: 4px 0 8px; font-size: 22px; line-height: 1.3; }
article p { margin: 0; }

time {
  color: var(--muted);
  font: 13px system-ui, -apple-system, "Segoe UI", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

footer {
  padding-top: 32px;
  padding-bottom: 48px;
  color: var(--muted);
  font: 14px system-ui, -apple-system, "Segoe UI", sans-serif;
}