/* ════════════════════════════════════════════════════════
   blog.css — article + blog-hub styles, layered on landing.css
   Reuses design tokens (--bg, --fg, --pos, --font-*, etc.)
   ════════════════════════════════════════════════════════ */

/* ── Breadcrumb ──────────────────────────────────────── */
.blog-crumbs{
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 32px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--fg3);
}
.blog-crumbs a{ color: var(--fg2); text-decoration: none; }
.blog-crumbs a:hover{ color: var(--pos); }
.blog-crumbs .sep{ margin: 0 8px; color: var(--fg4); }

/* ── Article shell ───────────────────────────────────── */
.article{
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 32px 100px;
}
.article-head{ margin-bottom: 40px; }
.article-kicker{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pos);
  margin-bottom: 16px;
}
.article-head h1{
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 46px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin: 0 0 18px;
  color: var(--fg);
}
.article-dek{
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg2);
  margin: 0 0 20px;
}
.article-meta{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg3);
  letter-spacing: 0.02em;
  padding-top: 18px;
  border-top: 1px solid var(--stroke);
}
.article-meta .dot{ color: var(--fg4); }

/* ── Article prose ───────────────────────────────────── */
.prose{ color: var(--fg2); }
.prose > * + *{ margin-top: 1.1em; }

.prose h2{
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--fg);
  margin-top: 2.2em;
  scroll-margin-top: 90px;
}
.prose h3{
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin-top: 1.8em;
  scroll-margin-top: 90px;
}
.prose p{
  font-size: 16.5px;
  line-height: 1.78;
}
.prose a{
  color: var(--pos);
  text-decoration: none;
  border-bottom: 1px solid var(--pos-dim);
  transition: border-color 120ms;
}
.prose a:hover{ border-color: var(--pos); }
.prose strong{ color: var(--fg); font-weight: 600; }
.prose em{ color: var(--fg); font-style: italic; }

.prose ul, .prose ol{
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.prose li{
  position: relative;
  padding-left: 24px;
  font-size: 16.5px;
  line-height: 1.7;
}
.prose ul > li::before{
  content: '';
  position: absolute;
  left: 4px; top: 11px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--pos);
  opacity: 0.7;
}
.prose ol{ counter-reset: li; }
.prose ol > li{ counter-increment: li; }
.prose ol > li::before{
  content: counter(li);
  position: absolute;
  left: 0; top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--pos);
}
.prose li strong{ color: var(--fg); }

/* Lead paragraph */
.prose .lead{
  font-size: 18.5px;
  line-height: 1.7;
  color: var(--fg);
}

/* Callout (reuses legal-callout look) */
.prose .callout{
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  background: var(--pos-soft);
  border: 1px solid var(--pos-dim);
  border-radius: var(--r-md);
}
.prose .callout.warn{
  background: var(--warn-soft);
  border-color: rgba(247, 185, 85, 0.28);
}
.prose .callout .ic{
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  line-height: 1.6;
  color: var(--pos);
}
.prose .callout.warn .ic{ color: var(--warn); }
.prose .callout p{ margin: 0; font-size: 14.5px; line-height: 1.65; color: var(--fg2); }
.prose .callout strong{ color: var(--fg); }

/* Blockquote */
.prose blockquote{
  margin: 0;
  padding: 6px 0 6px 20px;
  border-left: 2px solid var(--pos-dim);
  color: var(--fg);
  font-size: 18px;
  line-height: 1.6;
}

/* Code */
.prose code{
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--bg-card);
  border: 1px solid var(--stroke);
  border-radius: var(--r-sm);
  padding: 1px 6px;
  color: var(--fg);
}
.prose pre{
  background: var(--bg-elev);
  border: 1px solid var(--stroke);
  border-radius: var(--r-md);
  padding: 18px 20px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
}
.prose pre code{
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: var(--fg2);
}
.prose pre .cm{ color: var(--fg3); }   /* comment   */
.prose pre .kw{ color: var(--info); }  /* keyword   */
.prose pre .st{ color: var(--pos); }   /* string    */

/* Key-takeaways box */
.tldr{
  background: var(--bg-card);
  border: 1px solid var(--stroke);
  border-radius: var(--r-lg);
  padding: 22px 24px;
  margin-top: 8px;
}
.tldr h2{
  font-family: var(--font-mono);
  font-size: 12px !important;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pos);
  margin: 0 0 14px !important;
}
.tldr ul{ margin: 0; }
.tldr li{ font-size: 15px; }

/* Inline CTA at end of article */
.article-cta{
  margin-top: 56px;
  padding: 32px;
  background: linear-gradient(180deg, var(--bg-card), var(--bg-elev));
  border: 1px solid var(--stroke-s);
  border-radius: var(--r-xl);
  text-align: center;
}
.article-cta h2{
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin: 0 0 10px;
}
.article-cta p{
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg2);
  max-width: 420px;
  margin: 0 auto 22px;
}

/* Related posts */
.related{
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--stroke);
}
.related h2{
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg3);
  margin: 0 0 18px;
}
.related-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.related-card{
  display: block;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--stroke);
  border-radius: var(--r-md);
  text-decoration: none;
  transition: border-color 140ms, transform 140ms var(--ease-out);
}
.related-card:hover{ border-color: var(--stroke-s); transform: translateY(-2px); }
.related-card .rc-kick{
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pos);
}
.related-card .rc-title{
  display: block;
  margin-top: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--fg);
}

/* ── Blog hub ────────────────────────────────────────── */
.blog-hero{
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  padding: 72px 32px 8px;
}
.blog-hero .article-kicker{ margin-bottom: 14px; }
.blog-hero h1{
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 16px;
  color: var(--fg);
}
.blog-hero p{
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg2);
  max-width: 560px;
}

.post-list{
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 32px 100px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.post-card{
  display: block;
  padding: 26px 28px;
  background: var(--bg-card);
  border: 1px solid var(--stroke);
  border-radius: var(--r-lg);
  text-decoration: none;
  transition: border-color 140ms, transform 140ms var(--ease-out);
}
.post-card:hover{ border-color: var(--pos-dim); transform: translateY(-2px); }
.post-card.feat{ border-color: var(--pos-dim); background: linear-gradient(180deg, var(--bg-card), var(--bg-elev)); }
.post-card-top{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pos);
  margin-bottom: 12px;
}
.post-card-top .badge{
  color: var(--fg3);
  border: 1px solid var(--stroke-s);
  border-radius: 999px;
  padding: 2px 9px;
}
.post-card h2{
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--fg);
  margin: 0 0 10px;
}
.post-card p{
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg2);
  margin: 0 0 14px;
}
.post-card .read-more{
  font-size: 13.5px;
  font-weight: 600;
  color: var(--pos);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.post-card .read-more .arrow{ transition: transform 180ms var(--ease-out); }
.post-card:hover .read-more .arrow{ transform: translateX(3px); }

/* ── Mobile ──────────────────────────────────────────── */
@media (max-width: 700px){
  .blog-crumbs{ padding: 24px 18px 0; }
  .article{ padding: 24px 18px 72px; }
  .blog-hero{ padding: 52px 18px 4px; }
  .post-list{ padding: 32px 18px 72px; }
  .related-grid{ grid-template-columns: 1fr; }
  .prose h2{ font-size: 23px; }
  .article-cta{ padding: 26px 22px; }
}