/* Blog detail page — Zion Infosystem */
:root {
  --bd-bg: #f6f7fb;
  --bd-surface: #ffffff;
  --bd-text: #152033;
  --bd-muted: #5b657a;
  --bd-border: rgba(21, 32, 51, 0.1);
  --bd-accent: #8f17ba;
  --bd-accent-2: #2563eb;
  --bd-radius: 14px;
  --bd-shadow: 0 10px 30px rgba(21, 32, 51, 0.06);
}

html.z-bd-dark {
  --bd-bg: #0f141f;
  --bd-surface: #171e2c;
  --bd-text: #e8edf7;
  --bd-muted: #a7b0c3;
  --bd-border: rgba(232, 237, 247, 0.12);
  --bd-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

body.z-page-blog-detail {
  background: var(--bd-bg);
  color: var(--bd-text);
}

.z-bd-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 1080;
  background: transparent;
  pointer-events: none;
}
.z-bd-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--bd-accent), var(--bd-accent-2));
  transition: width 0.08s linear;
}

.z-bd-hero {
  padding: 2rem 0 1rem;
  background:
    radial-gradient(900px 280px at 10% -20%, rgba(143, 23, 186, 0.12), transparent 60%),
    radial-gradient(700px 260px at 90% 0%, rgba(37, 99, 235, 0.1), transparent 55%),
    var(--bd-bg);
}
.z-bd-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  font-size: 0.88rem;
  color: var(--bd-muted);
}
.z-bd-breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 0.5rem;
  opacity: 0.5;
}
.z-bd-breadcrumb a { color: var(--bd-accent); text-decoration: none; }
.z-bd-cat {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--bd-accent);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.z-bd-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  line-height: 1.2;
  font-weight: 700;
  max-width: 18ch;
  margin: 0 0 1rem;
}
@media (min-width: 768px) {
  .z-bd-title { max-width: 24ch; }
}
.z-bd-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  color: var(--bd-muted);
  font-size: 0.92rem;
}
.z-bd-meta i { margin-right: 0.3rem; }
.z-bd-hero__figure { margin: 0; }
.z-bd-hero__img {
  width: 100%;
  height: auto;
  /*aspect-ratio: 1200 / 630;*/
  object-fit: cover;
  border-radius: calc(var(--bd-radius) + 4px);
  box-shadow: var(--bd-shadow);
  background: var(--bd-surface);
}

.z-bd-main { padding: 1.5rem 0 3.5rem; }
.z-bd-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
}
@media (min-width: 992px) {
  .z-bd-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }
}

.z-bd-article,
.z-bd-widget,
.z-bd-cta-card,
.z-bd-seo-widget,
.z-bd-inline-cta,
.z-bd-end-cta,
.z-bd-author,
.z-bd-faq,
.z-bd-related,
.z-bd-comments,
.z-bd-infographic,
.z-bd-sources,
.z-bd-stats,
.z-bd-related-inline,
.z-bd-toc {
  background: var(--bd-surface);
  border: 1px solid var(--bd-border);
  border-radius: var(--bd-radius);
  box-shadow: var(--bd-shadow);
}

.z-bd-article { padding: 1.25rem 1.15rem 2rem; }
@media (min-width: 768px) {
  .z-bd-article { padding: 1.75rem 1.75rem 2.5rem; }
}

.z-bd-share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.z-bd-share__label { font-weight: 600; margin-right: 0.25rem; }
.z-bd-share__btn {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--bd-border);
  background: transparent;
  color: var(--bd-text);
  text-decoration: none;
}
.z-bd-share__btn:hover { border-color: var(--bd-accent); color: var(--bd-accent); }
.z-bd-share__count { color: var(--bd-muted); font-size: 0.85rem; margin-left: 0.25rem; }

.z-bd-engage { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.25rem; }
.z-bd-like {
  border: 1px solid var(--bd-border);
  background: transparent;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  color: var(--bd-text);
}
.z-bd-like.is-liked { border-color: #e11d48; color: #e11d48; }
.z-bd-badge {
  font-size: 0.85rem;
  color: #047857;
  background: rgba(4, 120, 87, 0.1);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
}

.z-bd-toc { padding: 1rem 1.1rem; margin-bottom: 1.25rem; }
.z-bd-toc__title { font-weight: 700; margin: 0 0 0.6rem; }
.z-bd-toc__list { margin: 0; padding-left: 1.1rem; }
.z-bd-toc__list a { color: var(--bd-text); text-decoration: none; }
.z-bd-toc__list a:hover { color: var(--bd-accent); }
.z-bd-toc__list .is-h3 { margin-left: 0.75rem; list-style-type: circle; }

.z-bd-content { font-size: 1.05rem; line-height: 1.8; color: var(--bd-text); }
.z-bd-content h2, .z-bd-content h3, .z-bd-content h4 {
  scroll-margin-top: 5.5rem;
  color: var(--bd-text);
}
.z-bd-content a { color: var(--bd-accent); }
.z-bd-content img, .z-bd-content-img { max-width: 100%; height: auto; border-radius: 12px; margin: 1rem 0; }
.z-bd-content table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; }
.z-bd-content th, .z-bd-content td { border: 1px solid var(--bd-border); padding: 0.55rem 0.7rem; }
.z-bd-content blockquote,
.z-bd-content .z-quote {
  margin: 1.25rem 0;
  padding: 0.9rem 1.1rem;
  border-left: 3px solid var(--bd-accent);
  background: rgba(143, 23, 186, 0.06);
  color: var(--bd-muted);
}
.z-bd-code {
  margin: 1.25rem 0;
  border-radius: 10px;
  overflow: auto;
  background: #0f172a;
  color: #e2e8f0;
}
.z-bd-code pre { margin: 0; padding: 1rem; font-size: 0.9rem; }
.z-bd-content .z-infobox,
.z-bd-content .z-callout,
.z-bd-content .z-pros-cons,
.z-bd-content .z-checklist {
  border: 1px solid var(--bd-border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  margin: 1.25rem 0;
  background: rgba(37, 99, 235, 0.04);
}
.z-bd-content .z-callout { border-left: 4px solid var(--bd-accent); }
.z-bd-content .z-checklist ul { list-style: none; padding-left: 0; }
.z-bd-content .z-checklist li::before { content: "✓ "; color: #047857; font-weight: 700; }
.z-bd-content .z-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin: 1.25rem 0;
}
.z-bd-content iframe { max-width: 100%; border-radius: 12px; }

.z-bd-inline-cta {
  display: grid;
  gap: 1rem;
  padding: 1.2rem;
  margin: 1.75rem 0;
  align-items: center;
}
@media (min-width: 700px) {
  .z-bd-inline-cta { grid-template-columns: 1fr auto; }
}
.z-bd-inline-cta__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.75rem;
  color: var(--bd-accent);
  font-weight: 700;
  margin: 0 0 0.25rem;
}
.z-bd-inline-cta__title { font-size: 1.2rem; margin: 0 0 0.35rem; }
.z-bd-inline-cta__text { margin: 0; color: var(--bd-muted); }
.z-bd-inline-cta--seo {
  background: linear-gradient(135deg, rgba(143, 23, 186, 0.08), rgba(37, 99, 235, 0.08)), var(--bd-surface);
}
.z-bd-inline-cta--contact {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(16, 185, 129, 0.08)), var(--bd-surface);
}

.z-bd-end-cta { padding: 1.4rem; margin: 1.75rem 0; text-align: center; }
.z-bd-end-cta__title { margin-top: 0; }
.z-bd-end-cta__actions { display: flex; flex-wrap: wrap; gap: 0.65rem; justify-content: center; }

.z-bd-post-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 1.25rem 0; }
.z-bd-post-tags a {
  text-decoration: none;
  color: var(--bd-accent);
  border: 1px solid var(--bd-border);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  font-size: 0.85rem;
}

.z-bd-stats { padding: 1rem; margin: 1.25rem 0; }
.z-bd-stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.75rem;
}
.z-bd-stats__item {
  text-align: center;
  padding: 0.75rem;
  border-radius: 10px;
  background: rgba(143, 23, 186, 0.06);
}
.z-bd-stats__item strong { display: block; font-size: 1.35rem; color: var(--bd-accent); }
.z-bd-stats__item span { color: var(--bd-muted); font-size: 0.85rem; }

.z-bd-related-inline { padding: 1rem 1.1rem; margin: 1.25rem 0; }
.z-bd-related-inline__title { font-weight: 700; margin: 0 0 0.5rem; }
.z-bd-related-inline ul { margin: 0; padding-left: 1.1rem; }

.z-bd-sources, .z-bd-infographic { padding: 1.2rem; margin: 1.5rem 0; }
.z-bd-infographic__img { width: 100%; height: auto; border-radius: 10px; }
.z-bd-backlink-tools { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1rem 0 1.5rem; }
.z-bd-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--bd-border);
  background: var(--bd-surface);
  color: var(--bd-text);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  text-decoration: none;
  font-size: 0.9rem;
}

.z-bd-author {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 1rem;
  padding: 1.25rem;
  margin: 1.75rem 0;
}
.z-bd-author__avatar { width: 88px; height: 88px; border-radius: 50%; object-fit: cover; }
.z-bd-author__label { margin: 0; color: var(--bd-muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
.z-bd-author__name { margin: 0.15rem 0 0.4rem; font-size: 1.25rem; }
.z-bd-author__bio { margin: 0 0 0.4rem; color: var(--bd-muted); }
.z-bd-author__meta { margin: 0; font-size: 0.9rem; }
.z-bd-author__social a { margin-right: 0.6rem; color: var(--bd-accent); font-size: 1.2rem; }

.z-bd-faq { padding: 1.25rem; margin: 1.5rem 0; }
.z-bd-faq .accordion-item {
  background: transparent;
  border-color: var(--bd-border);
  color: var(--bd-text);
}
.z-bd-faq .accordion-button {
  background: transparent;
  color: var(--bd-text);
  box-shadow: none;
}
.z-bd-faq .accordion-button:not(.collapsed) {
  color: var(--bd-accent);
  background: rgba(143, 23, 186, 0.06);
}

.z-bd-related { padding: 1.25rem; margin: 1.5rem 0; }
.z-bd-related__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.z-bd-card {
  border: 1px solid var(--bd-border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bd-bg);
}
.z-bd-card__media img { width: 100%; height: 140px; object-fit: cover; display: block; }
.z-bd-card__body { padding: 0.85rem; }
.z-bd-card__cat { margin: 0; font-size: 0.75rem; color: var(--bd-accent); text-transform: uppercase; font-weight: 600; }
.z-bd-card__title { font-size: 1rem; margin: 0.25rem 0; }
.z-bd-card__title a { color: var(--bd-text); text-decoration: none; }
.z-bd-card__excerpt { margin: 0; color: var(--bd-muted); font-size: 0.88rem; }

.z-bd-comments { padding: 1.25rem; margin-top: 1.5rem; }
.z-bd-comment {
  border: 1px solid var(--bd-border);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  margin-bottom: 0.75rem;
}
.z-bd-comment header { display: flex; gap: 0.65rem; align-items: baseline; flex-wrap: wrap; }
.z-bd-comment time { color: var(--bd-muted); font-size: 0.85rem; }

.z-bd-sidebar {
  position: sticky;
  top: 5.5rem;
  display: grid;
  gap: 1rem;
}
.z-bd-widget { padding: 1rem 1.05rem; }
.z-bd-widget__title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
}
.z-bd-search { display: flex; gap: 0.4rem; }
.z-bd-search input {
  flex: 1;
  border: 1px solid var(--bd-border);
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
  background: var(--bd-bg);
  color: var(--bd-text);
}
.z-bd-search button {
  border: 0;
  border-radius: 8px;
  width: 40px;
  background: var(--bd-accent);
  color: #fff;
}
.z-bd-linklist, .z-bd-postlist { list-style: none; margin: 0; padding: 0; }
.z-bd-linklist li, .z-bd-postlist li { margin-bottom: 0.55rem; }
.z-bd-linklist a, .z-bd-postlist a { color: var(--bd-text); text-decoration: none; }
.z-bd-linklist a:hover, .z-bd-postlist a:hover { color: var(--bd-accent); }
.z-bd-postlist span { display: block; color: var(--bd-muted); font-size: 0.8rem; }
.z-bd-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.z-bd-tags a {
  font-size: 0.8rem;
  text-decoration: none;
  color: var(--bd-muted);
  border: 1px solid var(--bd-border);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
}
.z-bd-newsletter input[type="email"],
.z-bd-newsletter input[type="tel"] {
  width: 100%;
  margin-bottom: 0.5rem;
  border: 1px solid var(--bd-border);
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
  background: var(--bd-bg);
  color: var(--bd-text);
}
.z-bd-cta-stack { display: grid; gap: 0.65rem; }
.z-bd-cta-card {
  display: block;
  padding: 0.9rem 1rem;
  text-decoration: none;
  color: var(--bd-text);
}
.z-bd-cta-card strong { display: block; margin-bottom: 0.2rem; color: var(--bd-accent); }
.z-bd-cta-card span { color: var(--bd-muted); font-size: 0.86rem; }
.z-bd-seo-widget { padding: 1rem; }
.z-bd-seo-widget__list { list-style: none; margin: 0; padding: 0; }
.z-bd-seo-widget__list li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--bd-border);
  font-size: 0.9rem;
}
.z-bd-seo-widget__list li:last-child { border-bottom: 0; }

.z-bd-top, .z-bd-theme {
  position: fixed;
  right: 1rem;
  z-index: 1040;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--bd-border);
  background: var(--bd-surface);
  color: var(--bd-text);
  box-shadow: var(--bd-shadow);
}
.z-bd-top { bottom: 5.5rem; }
.z-bd-theme { bottom: 8.5rem; }

@media (max-width: 991px) {
  .z-bd-sidebar { position: static; }
  .z-bd-author { grid-template-columns: 72px 1fr; }
}

/* Linkable Assets */
.z-bd-linkable {
  margin: 2rem 0;
  padding: 1.35rem 1.2rem 1.5rem;
  border: 1px solid var(--bd-border);
  border-radius: var(--bd-radius);
  background:
    radial-gradient(700px 180px at 0% 0%, rgba(143, 23, 186, 0.08), transparent 55%),
    var(--bd-surface);
  box-shadow: var(--bd-shadow);
  scroll-margin-top: 5rem;
}
.z-bd-linkable__header { margin-bottom: 1.25rem; }
.z-bd-linkable__eyebrow {
  margin: 0 0 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--bd-accent);
}
.z-bd-linkable__header h2 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
}
.z-bd-linkable__intro { margin: 0 0 0.85rem; color: var(--bd-muted); }
.z-bd-linkable__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.z-bd-linkable__nav a {
  text-decoration: none;
  font-size: 0.82rem;
  color: var(--bd-text);
  border: 1px solid var(--bd-border);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  background: var(--bd-bg);
}
.z-bd-linkable__nav a:hover { border-color: var(--bd-accent); color: var(--bd-accent); }
.z-bd-linkable__card {
  border: 1px solid var(--bd-border);
  border-radius: 12px;
  padding: 1.05rem 1.1rem;
  margin-top: 0.9rem;
  background: var(--bd-bg);
  scroll-margin-top: 5.5rem;
}
.z-bd-linkable__card h3 {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-size: 1.08rem;
  margin: 0 0 0.45rem;
}
.z-bd-linkable__card h3 i { color: var(--bd-accent); }
.z-bd-linkable__badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #047857;
  background: rgba(4, 120, 87, 0.12);
  border-radius: 999px;
  padding: 0.2rem 0.5rem;
}
.z-bd-linkable__checklist {
  margin: 0.6rem 0 1rem;
  padding-left: 1.1rem;
}
.z-bd-linkable__checklist li { margin-bottom: 0.3rem; }
.z-bd-linkable__figure { margin: 0.75rem 0; }
.z-bd-linkable__figure img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
}
.z-bd-linkable__figure figcaption { color: var(--bd-muted); font-size: 0.85rem; margin-top: 0.4rem; }
.z-bd-linkable__embed {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  background: var(--bd-surface) !important;
  color: var(--bd-text) !important;
  border-color: var(--bd-border) !important;
}
.z-bd-linkable__table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75rem 0;
  background: var(--bd-surface);
}
.z-bd-linkable__table th,
.z-bd-linkable__table td {
  border: 1px solid var(--bd-border);
  padding: 0.6rem 0.75rem;
  text-align: left;
}
.z-bd-linkable__table th { background: rgba(143, 23, 186, 0.06); }
.z-bd-linkable__source-note { font-size: 0.88rem; color: var(--bd-muted); margin: 0.4rem 0 0; }
.z-bd-linkable__quotes { display: grid; gap: 0.85rem; }
.z-bd-linkable__quote {
  margin: 0;
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--bd-accent);
  background: var(--bd-surface);
  border-radius: 0 10px 10px 0;
}
.z-bd-linkable__quote p { margin: 0 0 0.4rem; font-size: 1.05rem; }
.z-bd-linkable__quote footer { color: var(--bd-muted); margin-bottom: 0.55rem; font-size: 0.9rem; }
.z-bd-linkable__refs { margin: 0.5rem 0 0; padding-left: 1.2rem; }
.z-bd-linkable__refs a { word-break: break-word; }
.z-bd-linkable__gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.85rem;
  margin-top: 0.75rem;
}
.z-bd-linkable__gallery figure { margin: 0; }
.z-bd-linkable__gallery img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--bd-border);
}
.z-bd-linkable__gallery figcaption { margin-top: 0.4rem; }
.z-bd-linkable__research { list-style: none; margin: 0.5rem 0 0; padding: 0; }
.z-bd-linkable__research li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.4rem 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--bd-border);
}
.z-bd-linkable__research a { color: var(--bd-text); font-weight: 600; text-decoration: none; }
.z-bd-linkable__research a:hover { color: var(--bd-accent); }
.z-bd-linkable__host { color: var(--bd-muted); font-size: 0.82rem; }
.z-bd-linkable__cite-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin-top: 0.65rem;
}
.z-bd-linkable__card--cite {
  background: linear-gradient(135deg, rgba(143, 23, 186, 0.06), rgba(37, 99, 235, 0.06)), var(--bd-bg);
}