/* ── Blog post page
   Layered on top of styles.css for /resources/blog/*.html pages. */

.bp-breadcrumbs {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 24px 0 0;
  max-width: 760px;
  margin: 0 auto;
}
.bp-breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px dotted transparent;
  transition: color .15s ease, border-color .15s ease;
}
.bp-breadcrumbs a:hover { color: var(--text-primary); border-bottom-color: var(--text-muted); }
.bp-crumb-sep { padding: 0 6px; opacity: .6; }

.blog-post {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 0 80px;
}

.bp-header {
  padding: 24px 0 40px;
  border-bottom: 1px solid rgba(var(--accent-solid-rgb), 0.12);
  margin-bottom: 40px;
}
.bp-kicker {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--accent-solid);
}
.bp-title {
  font-family: var(--font-primary);
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin: 0 0 28px;
  font-weight: 700;
}
.bp-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  color: var(--text-secondary);
  font-size: 15px;
}
.bp-byline-name { font-weight: 600; color: var(--text-primary); }
.bp-byline-meta { color: var(--text-muted); font-size: 13px; }
.bp-ai-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(var(--accent-solid-rgb), 0.12);
  color: var(--accent-solid);
  border: 1px solid rgba(var(--accent-solid-rgb), 0.25);
}

.bp-body { color: var(--text-primary); font-size: 18px; line-height: 1.75; }
.bp-body > * + * { margin-top: 1.1em; }
.bp-body h2 {
  font-size: 28px; line-height: 1.2; letter-spacing: -0.01em;
  margin: 56px 0 16px; color: var(--text-primary); font-weight: 700;
}
.bp-body h3 {
  font-size: 20px; line-height: 1.3; margin: 40px 0 12px;
  color: var(--text-primary); font-weight: 600;
}
.bp-body p { color: var(--text-secondary); }
.bp-body strong { color: var(--text-primary); }
.bp-body em { font-style: italic; color: var(--text-primary); }
.bp-body a {
  color: var(--accent-solid);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.bp-body a:hover { text-decoration-thickness: 2px; }
.bp-body ul, .bp-body ol { padding-left: 24px; color: var(--text-secondary); }
.bp-body li { margin: 6px 0; }
.bp-body li::marker { color: var(--accent-solid); }
.bp-body blockquote {
  border-left: 3px solid var(--accent-solid);
  padding: 6px 20px;
  margin: 32px 0;
  color: var(--text-primary);
  font-style: italic;
  background: rgba(var(--accent-solid-rgb), 0.04);
  border-radius: 0 6px 6px 0;
}
.bp-body hr {
  border: none;
  border-top: 1px solid rgba(var(--accent-solid-rgb), 0.15);
  margin: 56px auto;
  max-width: 160px;
}

.bp-share {
  margin: 56px 0 40px;
  padding: 20px 0;
  border-top: 1px solid rgba(var(--accent-solid-rgb), 0.12);
  border-bottom: 1px solid rgba(var(--accent-solid-rgb), 0.12);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.bp-share .label-mono { color: var(--text-muted); margin-right: 4px; }
.bp-share-btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid rgba(var(--accent-solid-rgb), 0.22);
  background: transparent;
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.bp-share-btn:hover {
  background: rgba(var(--accent-solid-rgb), 0.08);
  border-color: var(--accent-solid);
  color: var(--text-primary);
}

.bp-newsletter {
  margin: 40px 0;
  padding: 28px;
  border-radius: 14px;
  border: 1px solid rgba(var(--accent-solid-rgb), 0.2);
  background: rgba(var(--accent-solid-rgb), 0.05);
}
.bp-newsletter-head {
  font-family: var(--font-primary);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.bp-newsletter p {
  color: var(--text-secondary);
  font-size: 15px;
  margin: 0 0 16px;
}
.bp-newsletter .btn-cta {
  display: inline-block;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
}

.bp-backlink {
  margin: 32px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.bp-backlink a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color .15s ease;
}
.bp-backlink a:hover { color: var(--accent-solid); }

@media (max-width: 720px) {
  .bp-title { font-size: clamp(28px, 7vw, 40px); }
  .bp-body { font-size: 17px; }
  .bp-body h2 { font-size: 24px; margin-top: 44px; }
  .bp-newsletter { padding: 20px; }
}