:root {
  --ink:    #1B1714;
  --linen:  #F6F0E0;
  --golden: #D0A500;
  --gamma:  #F85D00;
  --dusk:   #EB701E;

  --bg: var(--linen);
  --fg: var(--ink);
  --muted: rgba(27, 23, 20, 0.65);
  --rule: rgba(27, 23, 20, 0.18);
  --mark: var(--golden);
  --accent: var(--gamma);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--ink);
    --fg: var(--linen);
    --muted: rgba(246, 240, 224, 0.65);
    --rule: rgba(246, 240, 224, 0.18);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Alata', 'Sofia Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--fg); text-decoration: none; border-bottom: 1px solid var(--mark); padding-bottom: 1px; transition: color .2s ease, border-color .2s ease; }
a:hover, a:focus-visible { color: var(--accent); border-bottom-color: var(--accent); outline: none; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--rule);
  max-width: 64rem;
  margin: 0 auto;
}
.site-mark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: none;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg);
}
.site-mark svg { width: 28px; height: 28px; color: var(--mark); }
.site-nav { font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; }
.site-nav a { border: none; }

.blog-index, .post {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

.blog-index-header { margin-bottom: 3rem; text-align: center; }
.blog-index-header h1 { font-size: clamp(2rem, 5vw, 2.5rem); font-weight: 400; margin: 0 0 0.5rem; letter-spacing: 0.04em; }
.blog-index-header .lede { color: var(--muted); margin: 0; }

.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { padding: 1.5rem 0; border-bottom: 1px solid var(--rule); }
.post-list li:last-child { border-bottom: none; }
.post-list a.post-link {
  display: block;
  border: none;
  color: var(--fg);
}
.post-list a.post-link:hover h2 { color: var(--accent); }
.post-list .post-link-date {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.35rem;
}
.post-list .post-link h2 {
  font-size: 1.25rem;
  font-weight: 400;
  margin: 0;
  transition: color .2s ease;
}

.post-header { text-align: center; margin-bottom: 2.5rem; }
.post-header .post-date {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.5rem;
}
.post-header h1 { font-size: clamp(1.75rem, 4.5vw, 2.25rem); font-weight: 400; margin: 0; letter-spacing: 0.02em; }

.post-body h2, .post-body h3, .post-body h4 {
  font-weight: 400;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 2.5rem;
  margin-bottom: 0.5rem;
  color: var(--accent);
}
.post-body p { margin: 0 0 1.2rem; }
.post-body figure { margin: 2rem -1rem; }
.post-body figure img { width: 100%; height: auto; display: block; border-radius: 4px; }
.post-body figcaption { font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: 0.78rem; color: var(--muted); margin-top: 0.5rem; padding: 0 0.5rem; }
.post-body em { font-style: italic; }
.post-body strong { font-weight: 600; }
.post-body blockquote { border-left: 2px solid var(--mark); margin: 1.5rem 0; padding-left: 1rem; color: var(--muted); font-style: italic; }

.post-footer { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--rule); text-align: center; }
.post-footer .back {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
}
.post-footer .back:hover { color: var(--accent); }

@media (max-width: 600px) {
  .post-body figure { margin: 1.5rem 0; }
  .site-header { padding: 1rem 1.5rem; }
  .blog-index, .post { padding: 2rem 1.5rem 4rem; }
}