/* ============================================================
   Verified Peptides — Blog / Knowledge Centre
   Premium listing + single article. The single uses the shared
   .vp-content-layout + .vp-prose (same container width/typography
   as every other page). Categories are on-page filters, not
   separate archive pages. All selectors are .blg- scoped.
   ============================================================ */

:root {
  --blg-teal: #0c8b82;
  --blg-teal-tint: #eefaf7;
  --blg-ink: #0f172a;
}

/* ---------- Category gradient covers ---------- */
.blg-cover--peptide-science { background: linear-gradient(135deg, #0c8b82 0%, #1a8cba 100%); }
.blg-cover--quality-documentation { background: linear-gradient(135deg, #0f3b34 0%, #0c8b82 100%); }
.blg-cover--default,
.blg-cover--uncategorized { background: linear-gradient(135deg, #0b1523 0%, #1a8cba 100%); }

/* ---------- Hero (listing) — centred, with molecular motif ---------- */
.blg-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, var(--dark-navy) 0%, #10314a 58%, var(--primary-dark) 100%);
  padding: 54px 0 32px;
  text-align: center;
}
.blg-hero-motif { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.blg-hero-motif circle { fill: rgba(255, 255, 255, .06); }
.blg-hero-motif line { stroke: rgba(255, 255, 255, .09); stroke-width: 2; }
.blg-hero .container { position: relative; z-index: 1; }
.blg-hero-inner { max-width: 660px; margin: 0 auto; }
.blg-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: .16em; font-weight: 700; text-transform: uppercase;
  color: #bfe6f4; background: rgba(58, 168, 212, .14); border: 1px solid rgba(58, 168, 212, .32);
  padding: 6px 14px; border-radius: 20px; margin-bottom: 16px;
}
.blg-hero-title {
  font-family: var(--font-head); font-size: clamp(30px, 3.6vw, 44px); font-weight: 800;
  color: #fff; line-height: 1.14; margin: 0 0 12px;
}
.blg-hero-sub { font-size: 15px; color: rgba(255, 255, 255, .74); line-height: 1.7; margin: 0 auto; max-width: 560px; }

/* ---------- Category filter chips (buttons) ---------- */
.blg-filters {
  position: relative; z-index: 1;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 24px;
}
.blg-chip {
  display: inline-flex; align-items: center; font-size: 13px; font-weight: 600;
  font-family: inherit; cursor: pointer;
  color: rgba(255, 255, 255, .82); background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .18); padding: 8px 18px; border-radius: 30px;
  transition: all var(--transition); white-space: nowrap;
}
.blg-chip:hover { color: #fff; border-color: rgba(255, 255, 255, .55); background: rgba(255, 255, 255, .14); }
.blg-chip.is-active { background: #fff; border-color: #fff; color: var(--dark-navy); }

/* ---------- Grid + cards ---------- */
.blg-section { padding: 48px 0 72px; background: var(--white); }
.blg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; align-items: stretch; }
.blg-card {
  display: flex; flex-direction: column; background: var(--white);
  border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.blg-card:hover { box-shadow: var(--shadow-md); border-color: transparent; transform: translateY(-3px); }

.blg-card-cover { display: block; position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--light-gray); }
.blg-card-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.blg-card:hover .blg-card-cover img { transform: scale(1.05); }

.blg-cover { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; overflow: hidden; }
.blg-cover__motif { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.blg-cover__motif circle { fill: rgba(255, 255, 255, .16); }
.blg-cover__motif line { stroke: rgba(255, 255, 255, .22); stroke-width: 2; }
.blg-cover__ico {
  position: relative; z-index: 1; width: 54px; height: 54px; border-radius: 16px;
  background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .3);
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 21px;
}
.blg-cover__tag {
  position: relative; z-index: 1; color: #fff; font-family: var(--font-head);
  font-weight: 700; font-size: 15px; text-shadow: 0 1px 14px rgba(0, 0, 0, .18);
}

.blg-card-body { flex: 1; display: flex; flex-direction: column; padding: 20px 20px 18px; }
.blg-card-cats { margin-bottom: 11px; }
.blg-card-cat {
  display: inline-flex; font-size: 10.5px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--blg-teal); background: var(--blg-teal-tint);
  padding: 4px 11px; border-radius: 20px; text-decoration: none; transition: all var(--transition);
}
.blg-card-cat:hover { background: var(--blg-teal); color: #fff; }
.blg-card-title { font-family: var(--font-head); font-size: 18px; font-weight: 700; color: var(--text-dark); line-height: 1.36; margin: 0 0 10px; }
.blg-card-title a { color: inherit; text-decoration: none; transition: color var(--transition); }
.blg-card:hover .blg-card-title a { color: var(--primary); }
.blg-card-excerpt {
  font-size: 13.5px; color: var(--text-muted); line-height: 1.65; margin: 0 0 16px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.blg-card-foot { margin-top: auto; display: flex; align-items: center; flex-wrap: wrap; gap: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.blg-meta-item { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); }
.blg-meta-item i { color: var(--primary-light); font-size: 11px; }
.blg-meta-item b { color: var(--text-dark); font-weight: 600; }
.blg-card-more { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 700; color: var(--primary); transition: gap var(--transition); }
.blg-card-more i { font-size: 10px; transition: transform var(--transition); }
.blg-card:hover .blg-card-more { gap: 9px; }
.blg-card:hover .blg-card-more i { transform: translateX(2px); }

.blg-empty, .blg-noresult { padding: 50px 0; text-align: center; color: var(--text-muted); font-size: 15px; }

/* ---------- Pagination ---------- */
.blg-pagination { margin-top: 44px; }
.blg-pagination ul { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.blg-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px;
  padding: 0 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--white);
  font-size: 13px; font-weight: 600; color: var(--text-body); text-decoration: none; transition: all var(--transition);
}
.blg-pagination a.page-numbers:hover { border-color: var(--primary-light); color: var(--primary); }
.blg-pagination .page-numbers.current { background: var(--primary); border-color: var(--primary); color: #fff; }
.blg-pagination .page-numbers.dots { border: none; background: transparent; }

/* ============================================================
   Single article
   ============================================================ */
.blg-single-hero { position: relative; overflow: hidden; padding: 54px 0 46px; color: #fff; }
.blg-single-hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, .04) 0%, rgba(0, 0, 0, .22) 100%); pointer-events: none;
}
.blg-single-hero .container { position: relative; z-index: 1; }
.blg-single-crumb { margin-bottom: 20px; }
.blg-single-crumb, .blg-single-crumb a, .blg-single-crumb b, .blg-single-crumb .sep { color: rgba(255, 255, 255, .82); font-size: 13px; font-weight: 500; }
.blg-single-crumb b { color: #fff; }
.blg-single-crumb .sep { color: rgba(255, 255, 255, .45); }
.blg-single-crumb a { text-decoration: none; }
.blg-single-crumb a:hover { color: #fff; text-decoration: underline; }
.blg-single-cats { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.blg-single-hero .blg-card-cat { background: rgba(255, 255, 255, .18); color: #fff; }
.blg-single-hero .blg-card-cat:hover { background: #fff; color: var(--blg-ink); }
.blg-single-title { font-family: var(--font-head); font-size: clamp(27px, 3.4vw, 42px); font-weight: 800; line-height: 1.18; margin: 0 0 20px; max-width: 900px; color: #fff; }
.blg-single-meta { display: flex; flex-wrap: wrap; gap: 20px; }
.blg-single-meta .blg-meta-item { color: rgba(255, 255, 255, .85); font-size: 13.5px; }
.blg-single-meta .blg-meta-item i { color: rgba(255, 255, 255, .7); }
.blg-single-meta .blg-meta-item b { color: #fff; font-weight: 700; }

.blg-single-cover { margin: -34px auto 0; max-width: 940px; position: relative; z-index: 2; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.blg-single-cover img { width: 100%; height: auto; display: block; }

/* Article column (grid child of .vp-content-layout) */
.blg-article { min-width: 0; }
.blg-single-aside { display: flex; flex-direction: column; gap: 26px; }

/* Reviewer card */
.blg-reviewer { display: flex; align-items: center; gap: 16px; padding: 16px 20px; margin: 0 0 30px; background: var(--light-bg); border: 1px solid var(--border); border-radius: var(--radius-md); }
.blg-reviewer-avatar {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blg-teal) 0%, var(--primary) 100%);
  color: #fff; font-family: var(--font-head); font-weight: 700; font-size: 20px;
  display: flex; align-items: center; justify-content: center;
}
.blg-reviewer-meta { display: flex; flex-direction: column; gap: 1px; }
.blg-reviewer-label { font-size: 11.5px; color: var(--text-muted); }
.blg-reviewer-name { font-size: 15px; color: var(--text-dark); font-weight: 700; }
.blg-reviewer-role { font-size: 12px; color: var(--text-body); }
.blg-reviewer-date { font-size: 11.5px; color: var(--text-muted); margin-top: 3px; }
.blg-reviewer-date i { color: var(--primary-light); margin-right: 4px; }

/* Key takeaways */
.blg-takeaways { background: var(--blg-teal-tint); border: 1px solid #cdeee8; border-left: 4px solid var(--blg-teal); border-radius: var(--radius-md); padding: 20px 24px; margin: 0 0 30px; }
.blg-takeaways-title { font-family: var(--font-head); font-size: 15px; font-weight: 700; color: var(--blg-ink); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.blg-takeaways-title i { color: var(--blg-teal); }
.blg-takeaways ul { margin: 0; padding-left: 20px; }
.blg-takeaways li { font-size: 14px; color: var(--text-body); line-height: 1.6; margin-bottom: 6px; }

/* Article FAQ (reuses the global .vp-faq accordion) */
.blg-article .vp-faq { margin: 38px 0 0; }
.blg-article .vp-faq > h2 { font-family: var(--font-head); font-size: 24px; font-weight: 700; color: var(--blg-ink); margin: 0 0 18px; }

/* RUO note (sits outside .vp-prose in the article) */
.blg-article .vp-ruo-note { margin: 30px 0 0; padding: 16px 20px; font-size: 13px; line-height: 1.6; color: var(--text-muted); background: var(--light-gray); border-radius: var(--radius-md); border: 1px dashed var(--border); }
.blg-article .vp-ruo-note strong { color: var(--text-dark); }

/* Prev / next pager */
.blg-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 36px; }
.blg-pager-link { display: flex; flex-direction: column; gap: 6px; padding: 16px 20px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--white); text-decoration: none; transition: border-color var(--transition), box-shadow var(--transition); }
.blg-pager-link:hover { border-color: var(--primary-light); box-shadow: var(--shadow-md); }
.blg-pager-next { text-align: right; align-items: flex-end; }
.blg-pager-dir { font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--primary); }
.blg-pager-ttl { font-size: 14px; font-weight: 600; color: var(--text-dark); line-height: 1.4; }
.blg-pager-spacer { display: none; }

/* ---------- CTA (inline shortcode + sidebar) ---------- */
.blg-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  margin: 34px 0; padding: 26px 30px; border-radius: 16px; color: #fff;
  background: linear-gradient(120deg, #0f3b34 0%, #0c8b82 55%, #1a8cba 100%);
}
.blg-cta .blg-cta__body { min-width: 0; }
.blg-cta .blg-cta__title { font-family: var(--font-head); font-size: 19px; font-weight: 700; color: #fff; margin: 0 0 6px; }
.blg-cta .blg-cta__text { font-size: 14px; color: rgba(255, 255, 255, .9); margin: 0; line-height: 1.55; }
.blg-cta .blg-cta__btn {
  flex-shrink: 0; display: inline-flex; align-items: center; gap: 8px; background: #fff; color: #0f3b34;
  font-weight: 700; font-size: 14px; padding: 12px 22px; border-radius: 30px; text-decoration: none;
  white-space: nowrap; transition: transform .15s ease, box-shadow .15s ease;
}
.blg-cta .blg-cta__btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(0, 0, 0, .18); text-decoration: none; }
.blg-cta .blg-cta__btn i { font-size: 12px; }

/* Sidebar variant */
.blg-cta--side { flex-direction: column; align-items: stretch; gap: 12px; margin: 0; padding: 22px 20px; }
.blg-cta--side .blg-cta__title { font-size: 16.5px; line-height: 1.3; margin: 0 0 4px; }
.blg-cta--side .blg-cta__text { font-size: 12.5px; line-height: 1.55; }
.blg-cta--side .blg-cta__btn { box-sizing: border-box; width: 100%; max-width: 100%; justify-content: center; text-align: center; margin-top: 4px; padding: 12px 14px; font-size: 13px; line-height: 1.3; white-space: normal; box-shadow: 0 6px 18px rgba(0, 0, 0, .16); }
.blg-cta--side .blg-cta__btn i { transition: transform .2s ease; }
.blg-cta--side .blg-cta__btn:hover i { transform: translateX(3px); }

/* Related */
.blg-related { padding: 52px 0 68px; background: var(--light-bg); border-top: 1px solid var(--border); }
.blg-related-title { font-family: var(--font-head); font-size: 24px; font-weight: 700; color: var(--blg-ink); margin: 0 0 26px; text-align: center; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 992px) {
  .blg-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .blg-hero { padding: 46px 0 26px; }
}
@media (max-width: 768px) {
  .blg-hero-title { font-size: clamp(24px, 6vw, 32px); }
  .blg-single-title { font-size: clamp(23px, 6vw, 30px); }
  .blg-single-meta { gap: 12px 18px; }
  .blg-single-cover { margin-top: -20px; border-radius: var(--radius-md); }
  .blg-pager { grid-template-columns: 1fr; }
  .blg-pager-next { text-align: left; align-items: flex-start; }
  .blg-cta { flex-direction: column; align-items: flex-start; }
  .blg-cta .blg-cta__btn { width: 100%; justify-content: center; }
}
@media (max-width: 560px) {
  .blg-grid { grid-template-columns: 1fr; gap: 20px; }
  .blg-filters { flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; padding-bottom: 6px; scrollbar-width: none; }
  .blg-filters::-webkit-scrollbar { display: none; }
  .blg-reviewer { flex-wrap: wrap; }
}