/* QuanticData blog — post pages + hub.
   Light chrome + dark islands, matching the current landing design system.
   Extends styles.css (+product.css for FAQ). */

/* ---------- shared ---------- */
.post-main{display:block}
.post-main .section{padding:56px 28px}
.bc-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  background:rgba(37,227,194,.14);border:1px solid rgba(37,227,194,.45);color:#0A6E5C;
  font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;font-weight:700;white-space:nowrap;
}

/* ---------- post header ---------- */
.post-head{max-width:960px;padding-top:64px;padding-bottom:8px}
.post-crumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:.85rem;color:var(--muted);margin-bottom:26px}
.post-crumbs a{color:var(--muted);text-decoration:none;transition:color .2s var(--ease)}
.post-crumbs a:hover{color:var(--text)}
.post-crumbs span[aria-current]{color:var(--text);opacity:.85;max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-head h1{
  font-family:var(--font-head,inherit);
  font-size:clamp(1.9rem,4.4vw,2.9rem);line-height:1.12;letter-spacing:-.02em;
  font-weight:700;margin:0 0 18px;color:var(--text);
}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.9rem;margin-bottom:34px}
.post-meta time{color:var(--text);opacity:.8}
.post-hero{
  margin:0;border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(135deg,#0B1020 0%,#0E1428 55%,#141A33 100%);
  border:1px solid rgba(14,18,32,.18);
  box-shadow:0 30px 70px -30px rgba(14,18,32,.35);
  padding:18px;
}
.post-hero svg{display:block;width:100%;height:auto}

/* ---------- TOC ---------- */
.post-body{max-width:960px;padding-top:20px}
.post-toc{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--bg-card,#fff);
  box-shadow:0 14px 40px -24px rgba(14,18,32,.18);
  padding:18px 22px;margin-bottom:40px;display:flex;flex-direction:column;gap:8px;
}
.post-toc .toc-title{font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:4px}
.post-toc a{color:var(--text);opacity:.85;text-decoration:none;font-size:.95rem;transition:opacity .2s var(--ease),color .2s var(--ease)}
.post-toc a:hover{opacity:1;color:#0A6E5C}

/* ---------- prose ---------- */
.post-prose{font-size:1.05rem;line-height:1.75;color:var(--text);max-width:820px}
.post-prose > *{margin:0 0 20px}
.post-prose .lead{font-size:1.17rem;line-height:1.65;font-weight:450;margin-bottom:30px}
.post-prose h2{
  font-family:var(--font-head,inherit);
  font-size:clamp(1.35rem,2.6vw,1.65rem);letter-spacing:-.015em;line-height:1.25;
  margin:52px 0 18px;font-weight:700;scroll-margin-top:96px;
}
.post-prose h3{font-family:var(--font-head,inherit);font-size:1.16rem;letter-spacing:-.01em;margin:36px 0 12px;font-weight:650;scroll-margin-top:96px}
.post-prose h4{font-size:1rem;margin:28px 0 10px;font-weight:650}
.post-prose a{color:#0A6E5C;text-decoration:none;border-bottom:1px solid rgba(37,227,194,.5);transition:border-color .2s var(--ease),color .2s var(--ease)}
.post-prose a:hover{border-color:#0A6E5C}
.post-prose ul,.post-prose ol{padding-left:24px;display:flex;flex-direction:column;gap:9px}
.post-prose li::marker{color:#0A6E5C;font-weight:600}
.post-prose strong{font-weight:650}
.post-prose blockquote{
  border-left:3px solid var(--accent);padding:6px 0 6px 20px;color:var(--muted);
  font-size:1.02rem;
}
.post-prose code{
  background:rgba(14,18,32,.06);border:1px solid var(--line);border-radius:6px;
  padding:1px 7px;font-size:.88em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--text);
}
.post-prose pre{
  background:#0B1020;border:1px solid rgba(14,18,32,.2);border-radius:var(--r-md);
  box-shadow:0 20px 50px -28px rgba(14,18,32,.4);
  padding:20px 22px;overflow-x:auto;font-size:.87rem;line-height:1.6;
}
.post-prose pre code{background:none;border:none;padding:0;font-size:inherit;color:#E6EAF5}
.post-prose table{
  width:100%;border-collapse:collapse;font-size:.93rem;line-height:1.5;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;display:block;overflow-x:auto;
  background:var(--bg-card,#fff);
}
.post-prose th,.post-prose td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);min-width:110px}
.post-prose th{background:rgba(14,18,32,.04);font-weight:650;font-size:.85rem;letter-spacing:.02em;white-space:nowrap}
.post-prose tr:last-child td{border-bottom:none}
.post-prose figure{
  margin:34px 0;border-radius:var(--r-md);padding:14px;
  background:linear-gradient(135deg,#0B1020,#0E1428);
  border:1px solid rgba(14,18,32,.18);box-shadow:0 24px 60px -30px rgba(14,18,32,.35);
}
.post-prose figure svg{display:block;width:100%;height:auto}
.post-prose figcaption{font-size:.85rem;color:#93A0BD;margin-top:10px;text-align:center}
.post-prose hr{border:none;border-top:1px solid var(--line);margin:44px 0}

/* ---------- sources ---------- */
.post-sources{margin-top:56px;border-top:1px solid var(--line);padding-top:28px}
.post-sources h3{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:14px}
.post-sources ul{list-style:none;display:flex;flex-direction:column;gap:8px;padding:0}
.post-sources a{color:var(--muted);text-decoration:none;font-size:.92rem;border-bottom:1px dotted rgba(14,18,32,.3)}
.post-sources a:hover{color:var(--text)}

/* ---------- CTA (dark island, like the home panels) ---------- */
.post-cta{max-width:960px}
.cta-card{
  border-radius:var(--r-lg);
  background:
    radial-gradient(60% 90% at 85% 10%,rgba(37,227,194,.12),transparent 60%),
    radial-gradient(50% 80% at 10% 90%,rgba(109,92,255,.16),transparent 60%),
    linear-gradient(135deg,#0B1020,#0E1428);
  border:1px solid rgba(14,18,32,.25);
  box-shadow:0 34px 80px -34px rgba(14,18,32,.45);
  padding:40px 42px;
}
.cta-card h2{font-family:var(--font-head,inherit);font-size:clamp(1.3rem,2.4vw,1.6rem);letter-spacing:-.015em;margin:0 0 12px;color:#E6EAF5}
.cta-card p{color:#93A0BD;max-width:62ch;margin:0}
.cta-card .cta-row{margin-top:26px}
.cta-card .btn-outline{border-color:rgba(147,160,189,.4);color:#E6EAF5}
.cta-card .btn-outline:hover{border-color:rgba(147,160,189,.8);background:rgba(147,160,189,.08)}

/* ---------- related / hub cards ---------- */
.post-related{max-width:1240px}
.post-related h2,.blog-cluster h2{font-family:var(--font-head,inherit);font-size:1.4rem;letter-spacing:-.015em;margin-bottom:24px}
.bcard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:18px}
.bcard{
  display:flex;flex-direction:column;gap:12px;border:1px solid var(--line);
  border-radius:var(--r-md);background:var(--bg-card,#fff);padding:24px;
  box-shadow:0 16px 44px -28px rgba(14,18,32,.22);
  text-decoration:none;color:var(--text);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.bcard:hover{transform:translateY(-3px);border-color:rgba(37,227,194,.55);box-shadow:0 24px 60px -28px rgba(14,18,32,.3)}
.bcard b{font-family:var(--font-head,inherit);font-size:1.06rem;line-height:1.35;letter-spacing:-.01em;font-weight:650}
.bcard p{color:var(--muted);font-size:.9rem;line-height:1.55;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.bcard .bc-date{color:var(--muted);font-size:.8rem}
.bcard .bc-more{color:#0A6E5C;font-size:.88rem;font-weight:650;margin-top:auto}

/* ---------- hub ---------- */
.blog-hub-head{max-width:960px;padding-top:80px;padding-bottom:0}
.blog-hub-head h1{font-family:var(--font-head,inherit);font-size:clamp(2rem,4.6vw,3rem);letter-spacing:-.02em;line-height:1.1;margin-bottom:16px}
.hub-sub{color:var(--muted);font-size:1.1rem;max-width:62ch;margin-bottom:22px}
.hub-filters{display:flex;gap:8px;flex-wrap:wrap}
.hub-grid{margin-top:8px}

/* ---------- pillar "From the blog" ---------- */
.blog-cluster .bc-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(320px,100%),1fr));gap:12px}
.bc-link{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 18px;
  background:var(--bg-card,#fff);box-shadow:0 10px 30px -22px rgba(14,18,32,.2);
  color:var(--text);text-decoration:none;font-size:.95rem;line-height:1.4;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.bc-link:hover{border-color:rgba(37,227,194,.55);box-shadow:0 16px 40px -24px rgba(14,18,32,.28)}
.bc-link span{color:#0A6E5C;flex-shrink:0}

/* ---------- responsive ---------- */
@media (max-width:720px){
  .post-main .section{padding:40px 20px}
  .post-head{padding-top:40px}
  .cta-card{padding:28px 24px}
  .post-prose{font-size:1rem}
}
@media (prefers-reduced-motion: reduce){
  .bcard,.bc-link{transition:none}
}