/* Shared styles for blog articles */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0a0f1d;
  --bg-2: #0f172a;
  --bg-3: #1e293b;
  --fg: #e2e8f0;
  --fg-2: #cbd5e1;
  --fg-3: #94a3b8;
  --accent: #60a5fa;
  --accent-2: #2563eb;
  --border: #1e293b;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  background: var(--bg); color: var(--fg);
  line-height: 1.7; font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 720px; margin: 0 auto; padding: 0 24px; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: #93c5fd; }

header {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  background: rgba(10, 15, 29, 0.85);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.nav { display: flex; justify-content: space-between; align-items: center; max-width: 980px; margin: 0 auto; padding: 0 24px; }
.logo { font-weight: 700; letter-spacing: -0.3px; color: var(--fg); text-decoration: none; font-size: 15px; }
.logo .dot { color: var(--accent); }
.nav-links { display: flex; gap: 24px; font-size: 14px; }
.nav-links a { color: var(--fg-2); text-decoration: none; }
.nav-links a:hover { color: var(--fg); }

.back-link {
  display: inline-block; margin: 30px 0 10px;
  font-size: 13px; color: var(--fg-3);
}
.back-link:hover { color: var(--accent); }

.article-header { padding: 20px 0 30px; border-bottom: 1px solid var(--border); }
.article-meta {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  font-size: 12px; color: var(--fg-3);
  text-transform: uppercase; letter-spacing: 1.5px;
  margin-bottom: 16px;
}
.article-pillar {
  display: inline-block; padding: 3px 9px;
  border-radius: 3px;
  font-size: 11px; font-weight: 700; letter-spacing: 1px;
}
.pillar-a { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.pillar-b { background: rgba(96, 165, 250, 0.15); color: #60a5fa; }
.pillar-c { background: rgba(167, 139, 250, 0.15); color: #a78bfa; }
.pillar-d { background: rgba(52, 211, 153, 0.15); color: #34d399; }

.article-header h1 {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 800; letter-spacing: -1px;
  line-height: 1.15; margin-bottom: 14px;
}
.article-header .subtitle { color: var(--fg-3); font-size: 17px; }

article.content { padding: 40px 0 60px; }
article.content h2 {
  font-size: 24px; font-weight: 700; letter-spacing: -0.5px;
  margin: 42px 0 14px; color: var(--fg);
  line-height: 1.25;
}
article.content h2:first-child { margin-top: 0; }
article.content h3 {
  font-size: 18px; font-weight: 700;
  margin: 28px 0 10px; color: var(--fg);
}
article.content p { margin-bottom: 16px; color: var(--fg-2); }
article.content p strong { color: var(--fg); font-weight: 700; }
article.content ul, article.content ol { margin: 8px 0 16px 22px; }
article.content li { margin-bottom: 6px; color: var(--fg-2); }
article.content blockquote {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 20px;
  margin: 20px 0;
  color: var(--fg-2);
  background: rgba(37, 99, 235, 0.05);
}
article.content code {
  background: var(--bg-3); color: #f59e0b;
  padding: 2px 6px; border-radius: 3px;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 0.88em;
}
article.content pre {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  margin: 20px 0;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.5;
}
article.content pre code {
  background: transparent; color: var(--fg);
  padding: 0; font-size: inherit;
}
article.content hr {
  border: none; border-top: 1px solid var(--border);
  margin: 40px 0;
}

.article-footer {
  padding: 24px 0 40px;
  border-top: 1px solid var(--border);
}
.article-footer .cta {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 24px;
  text-align: center;
}
.article-footer .cta h3 { font-size: 18px; margin-bottom: 8px; }
.article-footer .cta p { color: var(--fg-3); font-size: 14px; margin-bottom: 16px; }
.article-footer .btn {
  display: inline-block; padding: 10px 18px;
  background: var(--accent-2); color: white;
  border-radius: 6px; font-weight: 600; font-size: 14px;
  text-decoration: none;
}
.article-footer .btn:hover { background: #1d4ed8; color: white; }

footer.site { padding: 30px 0; border-top: 1px solid var(--border); color: var(--fg-3); font-size: 13px; text-align: center; }
footer.site a { color: var(--accent); text-decoration: none; }