:root {
  --bg: #faf7f0;
  --surface: #f1ece0;
  --ink: #2a2620;
  --muted: #6b6457;
  --accent: #2f5d50;
  --accent-ink: #ffffff;
  --rule: #ddd5c3;
  --measure: 38rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1a17;
    --surface: #25231f;
    --ink: #ece6d8;
    --muted: #a39b8a;
    --accent: #8fc2b0;
    --accent-ink: #14201c;
    --rule: #3a372f;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  font-size: 1.125rem;
  line-height: 1.7;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1rem;
}

a { color: var(--accent); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--rule);
  padding: 1.5rem 0 1.25rem;
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
}
.wordmark {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}
.site-nav { display: flex; gap: 1.25rem; font-family: system-ui, sans-serif; font-size: 0.95rem; }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; }

/* Main */
main { padding: 2.5rem 0 3.5rem; }

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: 2.1rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.4rem; margin: 2.25rem 0 0.5rem; }
h3 { font-size: 1.15rem; margin: 1.75rem 0 0.25rem; }
p { margin: 0 0 1.1rem; }

.lede { font-size: 1.25rem; color: var(--muted); margin-bottom: 2rem; }

.meta {
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

blockquote {
  margin: 1.75rem 0;
  padding: 0.25rem 0 0.25rem 1.1rem;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  font-style: italic;
}
blockquote p:last-child { margin-bottom: 0; }

ul, ol { padding-left: 1.4rem; margin: 0 0 1.25rem; }
li { margin-bottom: 0.5rem; }

hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

/* Post list */
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { padding: 1.25rem 0; border-top: 1px solid var(--rule); margin: 0; }
.post-list li:last-child { border-bottom: 1px solid var(--rule); }
.post-list a.post-title { font-size: 1.25rem; font-weight: 700; color: var(--ink); text-decoration: none; }
.post-list a.post-title:hover { color: var(--accent); text-decoration: underline; }
.post-list .meta { margin: 0.15rem 0 0.4rem; }
.post-list p { margin: 0; color: var(--muted); }

/* Series filter */
.series-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
}
.series-nav a {
  padding: 0.3rem 0.85rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
}
.series-nav a:hover { color: var(--ink); border-color: var(--muted); }
.series-nav a[aria-current="page"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

/* Invite box */
.invite {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1.25rem 1.4rem;
  margin: 0 0 2.5rem;
}
.invite h2 { margin: 0 0 0.35rem; font-size: 1.15rem; }
.invite p { margin: 0 0 0.9rem; }
.button {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  text-decoration: none;
}
.button:hover { filter: brightness(1.1); }

.back { font-family: system-ui, sans-serif; font-size: 0.95rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 0 2.5rem;
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
}
.site-footer p { margin: 0 0 0.25rem; }
.site-footer a { color: var(--muted); }

@media (max-width: 480px) {
  body { font-size: 1.05rem; }
  h1 { font-size: 1.7rem; }
}