/* Shared post styles — used by every /posts/*.html page. */
:root {
  --bg-dark: #0a0a0a;
  --bg: #0f0f0f;
  --bg-elev: #1a1a1a;
  --text-primary: #f0f0f0;
  --text-secondary: #c0c0c0;
  --text-muted: #888;
  --accent-cyan: #00ffd5;
  --border: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

code, .mono { font-family: 'JetBrains Mono', monospace; font-size: 0.92em; }
code {
  background: var(--bg-elev);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--accent-cyan);
}

.post-header {
  border-bottom: 1px solid var(--border);
  padding: 18px 24px;
  position: sticky;
  top: 0;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10;
}
.post-header-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.post-back {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
}
.post-back:hover { color: var(--accent-cyan); text-decoration: none; }
.post-cta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
  padding: 6px 14px;
}
.post-cta:hover { background: rgba(0, 255, 213, 0.08); text-decoration: none; }

article {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}
.post-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 28px;
}
h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin: 56px 0 16px;
}
h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  margin: 32px 0 12px;
}
p {
  margin-bottom: 18px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}
strong { color: var(--text-primary); }
em { color: var(--text-secondary); }
ul, ol { margin: 0 0 24px 24px; color: var(--text-secondary); }
ul li, ol li { margin-bottom: 10px; font-size: 1.02rem; }
blockquote {
  border-left: 3px solid var(--accent-cyan);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--bg-elev);
  font-style: italic;
  color: var(--text-primary);
}
hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 56px 0;
}

.post-footer-cta {
  margin-top: 64px;
  padding: 32px;
  border: 1px solid var(--accent-cyan);
  background: linear-gradient(180deg, rgba(0, 255, 213, 0.04), transparent);
  text-align: center;
}
.post-footer-cta h3 { margin-top: 0; font-size: 1.4rem; }
.post-footer-cta p { font-size: 1rem; }
.post-footer-cta .btn {
  display: inline-block;
  margin-top: 16px;
  padding: 12px 24px;
  background: var(--accent-cyan);
  color: var(--bg-dark);
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
}
.post-footer-cta .btn:hover { text-decoration: none; transform: translateY(-1px); }

.related-posts {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.related-posts h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.related-posts ul { list-style: none; margin: 0; padding: 0; }
.related-posts li { margin-bottom: 8px; }
.related-posts li a { color: var(--text-primary); }
.related-posts li a:hover { color: var(--accent-cyan); }

@media (max-width: 600px) {
  article { padding: 40px 18px 64px; }
  h1 { font-size: 1.85rem; }
}