:root {
  --bg: #f6f3eb;
  --bg-elev: #ffffff;
  --text: #1a1a1a;
  --muted: #6b6358;
  --line: #d6cfc1;
  --accent: #1a1a1a;
  --highlight: #b85c2c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14140f;
    --bg-elev: #1c1c16;
    --text: #f0eee6;
    --muted: #9a9485;
    --line: #2c2c23;
    --accent: #f0eee6;
    --highlight: #d68a5e;
  }
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text);
  line-height: 1.6; font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 760px; margin: 0 auto; padding: 0 32px; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav .container { max-width: 1120px; }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
}
.logo {
  font-family: "Fraunces", serif; font-weight: 500;
  font-size: 18px; letter-spacing: 0.02em;
  color: var(--text); text-decoration: none;
}
.logo span { color: var(--muted); }
.nav-links { display: flex; gap: 28px; font-size: 14px; }
.nav-links a {
  color: var(--muted); text-decoration: none;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }
.hero-eyebrow {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted);
  margin-bottom: 28px;
}

/* post page */
.post { padding: 64px 0 96px; max-width: 720px; }
.post-header { margin-bottom: 48px; }
.post-back {
  display: inline-block;
  font-size: 13px; color: var(--muted);
  text-decoration: none; margin-bottom: 32px;
  letter-spacing: 0.02em;
  transition: color 0.15s;
}
.post-back:hover { color: var(--text); }
.post-meta {
  display: flex; gap: 12px;
  align-items: center; flex-wrap: wrap;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px; letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.post-title {
  font-family: "Fraunces", serif;
  font-weight: 400;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.post-description {
  font-size: 19px; color: var(--muted);
  line-height: 1.55;
  max-width: 600px;
}
.post-body { font-size: 18px; line-height: 1.7; }
.post-body > * + * { margin-top: 22px; }
.post-body h2 {
  font-family: "Fraunces", serif;
  font-weight: 500;
  font-size: 28px; line-height: 1.2;
  margin-top: 56px !important;
  letter-spacing: -0.01em;
}
.post-body h3 {
  font-family: "Fraunces", serif;
  font-weight: 500;
  font-size: 22px; line-height: 1.3;
  margin-top: 40px !important;
}
.post-body p { color: var(--text); }
.post-body strong { font-weight: 600; }
.post-body em { font-style: italic; }
.post-body a {
  color: var(--text);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: border-color 0.15s;
}
.post-body a:hover { border-bottom-color: var(--text); }
.post-body ul, .post-body ol {
  padding-left: 24px;
  color: var(--text);
}
.post-body li { margin-bottom: 6px; }
.post-body blockquote {
  padding: 4px 0 4px 24px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  font-style: italic;
}
.post-body code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.92em;
  background: var(--bg-elev);
  padding: 2px 6px; border-radius: 3px;
}
.post-body pre {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 14px;
  background: var(--bg-elev);
  padding: 20px;
  border-radius: 4px;
  overflow-x: auto;
  border: 1px solid var(--line);
}
.post-body pre code { background: transparent; padding: 0; }
.post-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 40px 0 !important;
}
.post-footer {
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
}
.post-footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
.post-footer a:hover { color: var(--text); }

/* index page */
.index-header { padding: 80px 0 48px; max-width: 1120px; }
.index-title {
  font-family: "Fraunces", serif;
  font-weight: 400;
  font-size: clamp(48px, 7vw, 80px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.index-title em { font-style: italic; font-weight: 300; color: var(--muted); }
.index-lead {
  font-size: 19px; color: var(--muted);
  max-width: 560px; line-height: 1.55;
  margin-bottom: 32px;
}
main.container { max-width: 1120px; padding-bottom: 96px; }
.notes-list { display: grid; gap: 0; }
.note-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
  text-decoration: none; color: inherit;
  transition: padding 0.2s ease;
}
.note-item:last-child { border-bottom: 1px solid var(--line); }
.note-item:hover { padding-left: 8px; }
.note-date {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px; letter-spacing: 0.05em; color: var(--muted);
}
.note-title {
  font-family: "Fraunces", serif;
  font-size: 22px; font-weight: 500;
  letter-spacing: -0.005em;
}
.note-tag {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px; letter-spacing: 0.12em;
  color: var(--muted); text-transform: uppercase;
}

/* footer */
.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
}
.site-footer .container {
  max-width: 1120px;
  display: flex; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
@media (max-width: 720px) {
  .container { padding: 0 22px; }
  .nav-links { gap: 16px; font-size: 13px; }
  .post { padding: 40px 0 64px; }
  .index-header { padding: 56px 0 32px; }
  .note-item { grid-template-columns: 80px 1fr; gap: 16px; }
  .note-tag { display: none; }
}