:root {
  color-scheme: light dark;
  --bg: #fbfaf7;
  --fg: #17181a;
  --muted: #62666d;
  --line: #e3e0d8;
  --accent: #1f5f4b;
  --card: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111312;
    --fg: #ecebe6;
    --muted: #a2a49f;
    --line: #2a2d2b;
    --accent: #8fd3b8;
    --card: #171a18;
  }
}

* { box-sizing: border-box; }

html { font-size: 17px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

.site-header {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 24px 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
  color: var(--fg);
  text-decoration: none;
}

.brand span { color: var(--muted); font-weight: 500; }

nav { display: flex; gap: 18px; font-size: 0.92rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--fg); }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 40px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(1.9rem, 5vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  margin: 0 0 20px;
  max-width: 18ch;
}

.lede {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 58ch;
}

.posts { margin-top: 56px; border-top: 1px solid var(--line); }

.post-card {
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.post-card .date { margin: 0 0 6px; color: var(--muted); font-size: 0.8rem; }
.post-card h2 { margin: 0 0 8px; font-size: 1.35rem; letter-spacing: -0.02em; }
.post-card h2 a { color: var(--fg); text-decoration: none; }
.post-card h2 a:hover { color: var(--accent); }
.post-card p:last-child { margin: 0; color: var(--muted); max-width: 62ch; }

.prose { max-width: 680px; }
.prose h1 { max-width: none; }
.prose h2 { margin-top: 2.2em; font-size: 1.3rem; letter-spacing: -0.02em; }
.prose p, .prose li { color: var(--fg); }
.prose blockquote {
  margin: 2em 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  font-style: italic;
}
.prose ul { padding-left: 1.2em; }
.prose li { margin: 0.3em 0; }

.site-footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 24px 60px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}
.site-footer a { color: var(--muted); }

@media (max-width: 520px) {
  .site-header { padding-top: 20px; }
  main { padding-top: 40px; }
  h1 { font-size: 2rem; }
}