:root {
  --text: #1f2430; --muted: #6b7280; --accent: #556b2f; --bg: #fafaf7; --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root { --text: #d8dce3; --muted: #9aa1ad; --accent: #a8c46f; --bg: #14161a; --card: #1c1f25; }
}
* { box-sizing: border-box; }
body {
  margin: 0; padding: 0 1.25rem; background: var(--bg); color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
header, main, footer { max-width: 44rem; margin: 0 auto; }
header { padding: 2.5rem 0 1rem; }
h1 { font-size: 1.4rem; margin: 0 0 .25rem; }
.tagline { color: var(--muted); font-size: .9rem; margin: 0 0 .5rem; }
nav a { margin-right: 1rem; color: var(--accent); text-decoration: none; }
nav a:hover { text-decoration: underline; }
article {
  background: var(--card); border: 1px solid #e3e3dd; border-radius: 8px;
  padding: 1.1rem 1.25rem; margin: 1rem 0;
}
@media (prefers-color-scheme: dark) {
  article { border-color: #2a2e36; }
}
article h2 { margin: 0 0 .35rem; font-size: 1.1rem; }
article h2 a { color: var(--text); text-decoration: none; }
article h2 a:hover { color: var(--accent); }
.meta { color: var(--muted); font-size: .85rem; margin: 0 0 .6rem; }
code {
  background: #ecece5; padding: .1em .35em; border-radius: 4px; font-size: .9em;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  code { background: #262a31; }
}
footer { color: var(--muted); font-size: .85rem; padding: 2rem 0 3rem; }