:root {
  --ink: #1a1d23;
  --muted: #5c6470;
  --line: #e8eaee;
  --bg-soft: #f6f7f9;
  --accent: #2c6e49;
  --accent-soft: #eef5f0;
  --warn: #8a6d1a;
  --warn-bg: #fbf6e9;
  --maxw: 760px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  line-height: 1.65;
  font-size: 17px;
  background: #fff;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 10px;
}
.site-title {
  font-size: 1.2em;
  font-weight: 800;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.title-strong { color: var(--accent); }
.nav-toggle { display: none; font-size: 1.4em; background: none; border: none; cursor: pointer; color: var(--ink); }
.site-nav { display: flex; flex-wrap: wrap; gap: 2px 14px; }
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92em;
  padding: 2px 0;
}
.site-nav a:hover { color: var(--accent); }

/* Main content */
main.wrap { padding-top: 28px; padding-bottom: 60px; }

.page-title {
  font-size: 1.75em;
  line-height: 1.25;
  margin: 0 0 20px 0;
  letter-spacing: -0.01em;
}

/* Inherited WordPress content styling */
main h1 { font-size: 1.75em; line-height: 1.25; margin: 0.5em 0 0.5em; }
main h2 { font-size: 1.4em; margin: 1.4em 0 0.5em; line-height: 1.3; }
main h3 { font-size: 1.15em; margin: 1.3em 0 0.4em; }
main p { margin: 0 0 1.1em; }
main a { color: var(--accent); }
main ul, main ol { padding-left: 1.4em; margin: 0 0 1.2em; }
main li { margin: 0.3em 0; }
main img { max-width: 100%; height: auto; border-radius: 6px; }
main table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 0.95em; }
main th, main td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
main th { background: var(--bg-soft); }
main blockquote {
  margin: 1.2em 0;
  padding: 0.6em 1.1em;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  color: var(--muted);
}
main hr { border: none; border-top: 1px solid var(--line); margin: 2em 0; }
main code { background: var(--bg-soft); padding: 2px 5px; border-radius: 4px; font-size: 0.9em; }
main pre { background: var(--bg-soft); padding: 14px; border-radius: 8px; overflow-x: auto; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 0.92em;
}
.footer-brand { margin: 0 0 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 0 0 14px; }
.footer-nav a { color: var(--muted); text-decoration: none; }
.footer-nav a:hover { color: var(--accent); }
.footer-copy { margin: 0; font-size: 0.85em; }

/* Homepage */
.hero { text-align: center; padding: 20px 0 8px; }
.hero h1 { font-size: 2em; margin: 0 0 8px; letter-spacing: -0.02em; }
.hero-sub { font-size: 1.15em; color: var(--muted); margin: 0 0 20px; }

.why-box {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 24px 0;
}
.why-bold { font-size: 1.1em; }

.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 18px 0;
}
.cat-card {
  display: block;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  transition: border-color .15s, transform .15s;
}
.cat-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.cat-card h3 { margin: 8px 0 6px; font-size: 1.05em; }
.cat-card p { margin: 0; color: var(--muted); font-size: 0.9em; }
.cat-emoji { font-size: 1.4em; }

.digest li, .noteworthy li { margin: 0.6em 0; }
.muted { color: var(--muted); font-size: 0.92em; }
.newsletter { background: var(--bg-soft); border-radius: 8px; padding: 20px 24px; margin-top: 28px; }

/* Responsive */
@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .site-nav { display: none; width: 100%; flex-direction: column; gap: 4px; padding-top: 8px; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 6px 0; border-bottom: 1px solid var(--line); }
  body { font-size: 16px; }
  .page-title { font-size: 1.5em; }
}