/* ============================================================
   Momentra Global — blog / article styling
   Layers on top of styles.css (shares tokens, header, footer, buttons)
   ============================================================ */

.blog-main { padding-bottom: 40px; }

/* ---------- Blog index hero ---------- */
.blog-hero { padding: 62px 0 24px; text-align: center; }
.blog-hero .eyebrow { justify-content: center; display: inline-flex; }
.blog-hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
.blog-hero p { color: var(--muted); font-size: 1.12rem; max-width: 54ch; margin: 18px auto 0; }

/* ---------- Post grid (4-across / full-width, never orphan-3) ---------- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 40px;
}
.post-card {
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; text-align: left;
  transition: transform .18s ease, border-color .18s ease, box-shadow .2s ease;
}
.post-card:hover { transform: translateY(-3px); border-color: var(--cyan); box-shadow: var(--glow); }
.post-card .post-tag {
  font-family: var(--ff-display); font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--cyan);
  margin-bottom: 12px;
}
.post-card h2 { font-size: 1.3rem; line-height: 1.2; margin-bottom: 10px; }
.post-card p { color: var(--muted); font-size: 0.96rem; margin-bottom: 18px; flex: 1; }
.post-card .post-more { font-family: var(--ff-display); font-weight: 600; font-size: 0.9rem; color: var(--cyan-bright); }
.post-card .post-meta { font-size: 0.78rem; color: var(--muted-2); margin-top: 14px; }

.post-card-feature {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 30px; align-items: center;
  background: linear-gradient(160deg, rgba(6,182,212,0.1), var(--panel));
}
.post-card-feature .pcf-art {
  aspect-ratio: 4/3; border-radius: var(--radius-sm); border: 1px solid var(--line);
  background:
    radial-gradient(120% 120% at 30% 20%, rgba(34,211,238,0.22), transparent 60%),
    repeating-linear-gradient(45deg, #0a1119, #0a1119 12px, #0c141d 12px, #0c141d 24px);
  position: relative; overflow: hidden;
}
.post-card-feature .pcf-art::after {
  content: "◉"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: var(--cyan-bright); opacity: 0.5;
}
.post-card-feature h2 { font-size: clamp(1.5rem, 3vw, 2rem); }

/* ---------- Article ---------- */
.article { max-width: 760px; margin: 0 auto; padding: 48px 0 20px; }
.article-head { margin-bottom: 32px; }
.article-crumb { font-size: 0.85rem; color: var(--muted-2); margin-bottom: 18px; }
.article-crumb a { color: var(--cyan); }
.article-tag { font-family: var(--ff-display); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--cyan); }
.article h1 { font-size: clamp(2rem, 4.4vw, 3rem); margin: 12px 0 16px; }
.article-meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--muted); font-size: 0.88rem; }
.article-dek { color: var(--muted); font-size: 1.18rem; line-height: 1.55; margin: 22px 0 0; }

.article-body { font-size: 1.06rem; line-height: 1.72; color: #33415e; }
.article-body > * + * { margin-top: 20px; }
.article-body h2 { font-size: 1.55rem; color: var(--text); margin-top: 44px; }
.article-body h3 { font-size: 1.2rem; color: var(--text); margin-top: 30px; }
.article-body a { color: var(--cyan-bright); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(30,79,196,0.35); }
.article-body a:hover { text-decoration-color: var(--cyan-bright); }
.article-body strong { color: var(--text); }
.article-body ul, .article-body ol { padding-left: 22px; display: flex; flex-direction: column; gap: 9px; }
.article-body li { padding-left: 4px; }
.article-body ul li::marker { color: var(--cyan); }
.article-body blockquote {
  border-left: 3px solid var(--cyan); padding: 4px 0 4px 20px; margin-left: 0;
  color: var(--text); font-size: 1.15rem; font-style: italic;
}
.article-body figure { margin: 0; }
.article-body .callout {
  background: rgba(34,211,238,0.06); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 20px 22px;
}
.article-body .callout strong { color: var(--cyan-bright); }
.article-body table { width: 100%; border-collapse: collapse; font-size: 0.96rem; }
.article-body th, .article-body td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line-soft); }
.article-body th { font-family: var(--ff-display); color: var(--cyan-bright); font-size: 0.82rem; letter-spacing: 0.04em; text-transform: uppercase; }
.article-body td:first-child { color: var(--muted); }

.article-tldr {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; margin: 8px 0 34px;
}
.article-tldr strong { font-family: var(--ff-display); color: var(--cyan-bright); display: block; margin-bottom: 8px; font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; }
.article-tldr p { color: var(--text); font-size: 1.02rem; }

/* ---------- FAQ ---------- */
.faq { margin-top: 44px; }
.faq h2 { font-size: 1.55rem; margin-bottom: 8px; }
.faq details { border-bottom: 1px solid var(--line-soft); padding: 6px 0; }
.faq summary { cursor: pointer; font-family: var(--ff-display); font-weight: 600; font-size: 1.05rem; color: var(--text); padding: 12px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--cyan-bright); font-size: 1.3rem; line-height: 1; flex: none; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); padding: 0 0 14px; }

/* ---------- Author / CTA / related ---------- */
.article-cta {
  margin: 48px 0 0; padding: 34px; text-align: center;
  background: linear-gradient(180deg, rgba(6,182,212,0.1), transparent);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.article-cta h2 { font-size: 1.5rem; margin-bottom: 10px; }
.article-cta p { color: var(--muted); margin-bottom: 20px; }
.article-cta .btn + .btn { margin-left: 10px; }

.related { margin-top: 56px; border-top: 1px solid var(--line-soft); padding-top: 32px; }
.related h2 { font-size: 1.3rem; margin-bottom: 20px; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.related-card { background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--radius-sm); padding: 18px; transition: border-color .16s ease; }
.related-card:hover { border-color: var(--cyan); }
.related-card span { font-size: 0.72rem; color: var(--cyan); font-family: var(--ff-display); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.related-card strong { display: block; margin-top: 6px; font-size: 1rem; color: var(--text); font-family: var(--ff-display); font-weight: 600; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .post-grid { grid-template-columns: 1fr; }
  .post-card-feature { grid-template-columns: 1fr; }
  .post-card-feature .pcf-art { display: none; }
  .related-grid { grid-template-columns: 1fr; }
  .article-cta .btn { display: block; width: 100%; }
  .article-cta .btn + .btn { margin-left: 0; margin-top: 10px; }
}