/* ==========================================================================
   CSUK Blog Hub — Frontend Styles
   Version: 1.0.0
   ========================================================================== */

/* ── Design Tokens ─────────────────────────────────────────────────────────── */
:root {
  --csuk-blue-500:   #2563eb;
  --csuk-blue-600:   #1d4ed8;
  --csuk-blue-400:   #60a5fa;
  --csuk-blue-50:    #eff6ff;
  --csuk-slate-900:  #0f172a;
  --csuk-slate-800:  #1e293b;
  --csuk-slate-700:  #334155;
  --csuk-slate-600:  #475569;
  --csuk-slate-400:  #94a3b8;
  --csuk-slate-200:  #e2e8f0;
  --csuk-slate-100:  #f1f5f9;
  --csuk-white:      #ffffff;
  --csuk-accent:     var(--csuk-blue-500);

  --csuk-radius-sm:  6px;
  --csuk-radius:     12px;
  --csuk-radius-lg:  18px;
  --csuk-radius-xl:  24px;

  --csuk-shadow-sm:  0 1px 4px rgba(15, 23, 42, .08), 0 0 0 1px rgba(15, 23, 42, .04);
  --csuk-shadow:     0 4px 20px rgba(15, 23, 42, .1),  0 1px 4px rgba(15, 23, 42, .06);
  --csuk-shadow-lg:  0 12px 40px rgba(15, 23, 42, .15), 0 2px 8px rgba(15, 23, 42, .08);
  --csuk-glow:       0 0 0 3px rgba(37, 99, 235, .18);

  --csuk-font:       -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
  --csuk-font-serif: 'Georgia', 'Times New Roman', serif;

  --csuk-transition: 220ms cubic-bezier(.4, 0, .2, 1);
  --csuk-transition-slow: 380ms cubic-bezier(.4, 0, .2, 1);
}

/* ── Reset / Base ──────────────────────────────────────────────────────────── */
.csuk-hub,
.csuk-hub * {
  box-sizing: border-box;
}
.csuk-hub {
  font-family: var(--csuk-font);
  color: var(--csuk-slate-800);
  line-height: 1.6;
}

/* ── Toolbar ───────────────────────────────────────────────────────────────── */
.csuk-hub-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 28px;
}
.csuk-search-wrap {
  position: relative;
  flex: 1 1 240px;
}
.csuk-search-input {
  width: 100%;
  padding: 10px 16px 10px 44px;
  border: 1.5px solid var(--csuk-slate-200);
  border-radius: var(--csuk-radius);
  background: var(--csuk-white);
  font-size: .9375rem;
  color: var(--csuk-slate-800);
  outline: none;
  transition: border-color var(--csuk-transition), box-shadow var(--csuk-transition);
}
.csuk-search-input:focus {
  border-color: var(--csuk-blue-500);
  box-shadow: var(--csuk-glow);
}
.csuk-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--csuk-slate-400);
  display: flex;
  pointer-events: none;
}
.csuk-filter-select {
  padding: 10px 36px 10px 14px;
  border: 1.5px solid var(--csuk-slate-200);
  border-radius: var(--csuk-radius);
  background: var(--csuk-white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat right 10px center;
  -webkit-appearance: none;
  appearance: none;
  font-size: .9rem;
  color: var(--csuk-slate-700);
  outline: none;
  cursor: pointer;
  transition: border-color var(--csuk-transition), box-shadow var(--csuk-transition);
}
.csuk-filter-select:focus {
  border-color: var(--csuk-blue-500);
  box-shadow: var(--csuk-glow);
}

/* ── Hub Layout ─────────────────────────────────────────────────────────────── */
.csuk-hub-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  grid-template-areas: "main sidebar";
  gap: 32px;
  align-items: start;
}
.csuk-hub-main  { grid-area: main; min-width: 0; }
.csuk-hub-sidebar {
  grid-area: sidebar;
  position: sticky;
  top: 24px;
  max-height: calc(100vh - 48px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.csuk-sidebar-inner {
  overflow-y: auto;
  flex: 1;
  scrollbar-width: thin;
  scrollbar-color: var(--csuk-slate-200) transparent;
  padding-right: 4px;
}
.csuk-sidebar-inner::-webkit-scrollbar       { width: 4px; }
.csuk-sidebar-inner::-webkit-scrollbar-track { background: transparent; }
.csuk-sidebar-inner::-webkit-scrollbar-thumb { background: var(--csuk-slate-200); border-radius: 99px; }

/* ── Blog Card ──────────────────────────────────────────────────────────────── */
.csuk-blog-card {
  --csuk-accent: var(--csuk-blue-500);
  display: flex;
  flex-direction: column;
  background: var(--csuk-white);
  border-radius: var(--csuk-radius);
  box-shadow: var(--csuk-shadow-sm);
  overflow: hidden;
  margin-bottom: 16px;
  cursor: pointer;
  transition:
    transform var(--csuk-transition),
    box-shadow var(--csuk-transition);
  border: 1.5px solid var(--csuk-slate-200);
  outline: none;
}
.csuk-blog-card:hover,
.csuk-blog-card:focus {
  transform: translateY(-3px);
  box-shadow: var(--csuk-shadow);
  border-color: var(--csuk-accent);
}
.csuk-blog-card--featured {
  border-color: var(--csuk-accent);
  background: linear-gradient(135deg, var(--csuk-white) 0%, var(--csuk-blue-50) 100%);
}
.csuk-blog-card--compact {
  flex-direction: row;
  align-items: center;
  gap: 0;
}
.csuk-blog-card--compact .csuk-card-image {
  width: 80px;
  min-width: 80px;
  height: 68px;
}
.csuk-blog-card--compact .csuk-card-body {
  padding: 12px;
}

.csuk-card-image {
  width: 100%;
  height: 160px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--csuk-blue-500) 0%, #7c3aed 100%);
  flex-shrink: 0;
}
.csuk-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--csuk-transition-slow);
  display: block;
}
.csuk-blog-card:hover .csuk-card-image img {
  transform: scale(1.04);
}
.csuk-card-image--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--csuk-accent) 0%, #7c3aed 100%);
}
.csuk-card-placeholder-icon {
  font-size: 2rem;
  opacity: .35;
  color: var(--csuk-white);
}

.csuk-card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.csuk-card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.csuk-card-cat {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--csuk-accent);
  background: rgba(37, 99, 235, .09);
  padding: 2px 8px;
  border-radius: 99px;
}
.csuk-card-pin {
  font-size: .8rem;
  color: #f59e0b;
}
.csuk-card-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--csuk-slate-900);
  line-height: 1.35;
  margin: 0;
}
.csuk-card-snippet {
  font-size: .84rem;
  color: var(--csuk-slate-600);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}
.csuk-card-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--csuk-slate-100);
  font-size: .78rem;
  color: var(--csuk-slate-400);
}
.csuk-card-read-time {
  margin-left: auto;
}

/* ── Load More ──────────────────────────────────────────────────────────────── */
.csuk-load-more {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 10px 20px;
  background: var(--csuk-slate-100);
  border: 1.5px solid var(--csuk-slate-200);
  border-radius: var(--csuk-radius);
  font-size: .875rem;
  font-weight: 600;
  color: var(--csuk-slate-700);
  cursor: pointer;
  transition: background var(--csuk-transition), color var(--csuk-transition), border-color var(--csuk-transition);
  text-align: center;
}
.csuk-load-more:hover {
  background: var(--csuk-blue-50);
  border-color: var(--csuk-blue-500);
  color: var(--csuk-blue-600);
}

/* ── Article Viewer ─────────────────────────────────────────────────────────── */
.csuk-article {
  position: relative;
  background: var(--csuk-white);
  border-radius: var(--csuk-radius-lg);
  box-shadow: var(--csuk-shadow);
  overflow: clip; /* clip keeps border-radius; avoids clipping BB absolute rows */
}

/* Reading progress bar */
.csuk-article-reading-bar {
  position: sticky;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--csuk-blue-500) 0%, var(--csuk-blue-400) 100%);
  z-index: 10;
  transition: width .1s linear;
  border-radius: 0 2px 2px 0;
}

.csuk-article-hero {
  width: 100%;
  height: 340px;
  position: relative;
  overflow: hidden;
}
.csuk-article-hero--placeholder {
  background: linear-gradient(135deg, var(--csuk-accent) 0%, #7c3aed 60%, #db2777 100%);
}
.csuk-article-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.csuk-article-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(15,23,42,.45) 100%);
}

/* Padding is applied to individual sub-sections, not the body wrapper,
   so Beaver Builder full-width rows can span edge-to-edge. */
.csuk-article-body {
  padding: 0;
}
.csuk-article-header,
.csuk-article-share {
  padding-left: 44px;
  padding-right: 44px;
}
.csuk-article-header {
  padding-top: 40px;
  padding-bottom: 24px;
}
.csuk-article-share {
  padding-bottom: 48px;
}
/* Non-BB plain content still gets comfortable horizontal padding. */
.csuk-article-content:not(:has(.fl-builder-content)) {
  padding-left: 44px;
  padding-right: 44px;
}
/* When BB content is present, BB handles its own internal padding. */
.csuk-article-content .fl-builder-content {
  padding-left: 0;
  padding-right: 0;
}
.csuk-article-header {
  margin-bottom: 28px;
  border-bottom: 1px solid var(--csuk-slate-200);
}
.csuk-article-cat {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--csuk-blue-500);
  background: var(--csuk-blue-50);
  padding: 3px 10px;
  border-radius: 99px;
  margin-bottom: 12px;
}
.csuk-article-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--csuk-slate-900);
  line-height: 1.2;
  margin: 0 0 14px;
  letter-spacing: -.02em;
}
.csuk-article-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .84rem;
  color: var(--csuk-slate-400);
  flex-wrap: wrap;
}
.csuk-article-read-time {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.csuk-meta-sep { opacity: .5; }
.csuk-article-permalink {
  color: var(--csuk-blue-500);
  text-decoration: none;
  font-weight: 500;
}
.csuk-article-permalink:hover { text-decoration: underline; }

/* ── Beaver Builder layout compatibility ─────────────────────────────────────
   BB's generated CSS targets .fl-builder-content and its descendant classes.
   When content is injected into .csuk-article-content those rules still apply,
   but the containing article panel must not clip, constrain or override them.
   ────────────────────────────────────────────────────────────────────────── */

/* Let BB rows stretch to the article body width — remove horizontal padding
   that would cause BB's 100%-width rows to overflow. */
.csuk-article-content .fl-builder-content {
  width: 100%;
  margin-left: 0;
  margin-right: 0;
}

/* BB rows default to full width — ensure they're not clipped. */
.csuk-article-content .fl-row,
.csuk-article-content .fl-row-content {
  width: 100% !important;
  max-width: 100% !important;
}

/* BB columns: allow them to flex / wrap naturally inside our narrower panel. */
.csuk-article-content .fl-col-group {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
}
.csuk-article-content .fl-col {
  box-sizing: border-box;
}

/* Responsive: stack BB columns on small screens. */
@media (max-width: 640px) {
  .csuk-article-content .fl-col {
    width: 100% !important;
    margin-left: 0 !important;
  }
}

/* Images inside BB modules should be responsive. */
.csuk-article-content .fl-module img,
.csuk-article-content .fl-photo img {
  max-width: 100%;
  height: auto;
}

/* BB text modules should inherit article typography. */
.csuk-article-content .fl-module-content {
  font-size: inherit;
  line-height: inherit;
}

/* ── Article Content Typography */
.csuk-article-content {
  font-family: var(--csuk-font);
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--csuk-slate-700);
}
.csuk-article-content h1,
.csuk-article-content h2,
.csuk-article-content h3,
.csuk-article-content h4 {
  font-weight: 700;
  color: var(--csuk-slate-900);
  margin: 1.8em 0 .6em;
  line-height: 1.25;
  letter-spacing: -.01em;
}
.csuk-article-content h2 { font-size: 1.45rem; }
.csuk-article-content h3 { font-size: 1.2rem; }
.csuk-article-content p  { margin: 0 0 1.2em; }
.csuk-article-content a  { color: var(--csuk-blue-500); text-decoration: underline; text-underline-offset: 3px; }
.csuk-article-content blockquote {
  margin: 1.6em 0;
  padding: 16px 20px;
  border-left: 4px solid var(--csuk-blue-500);
  background: var(--csuk-blue-50);
  border-radius: 0 var(--csuk-radius-sm) var(--csuk-radius-sm) 0;
  font-style: italic;
  color: var(--csuk-slate-600);
}
.csuk-article-content code {
  background: var(--csuk-slate-100);
  color: var(--csuk-slate-800);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: .9em;
  font-family: 'Fira Code', 'Consolas', monospace;
}
.csuk-article-content pre {
  background: var(--csuk-slate-900);
  color: #e2e8f0;
  padding: 20px 24px;
  border-radius: var(--csuk-radius);
  overflow-x: auto;
  font-size: .875rem;
  line-height: 1.65;
  margin: 1.4em 0;
}
.csuk-article-content pre code { background: none; color: inherit; padding: 0; }
.csuk-article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--csuk-radius);
  margin: 1em 0;
}
.csuk-article-content ul,
.csuk-article-content ol {
  padding-left: 1.6em;
  margin: 0 0 1.2em;
}
.csuk-article-content li { margin-bottom: .4em; }
.csuk-article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4em 0;
  font-size: .9rem;
}
.csuk-article-content th,
.csuk-article-content td {
  border: 1px solid var(--csuk-slate-200);
  padding: 10px 14px;
  text-align: left;
}
.csuk-article-content th {
  background: var(--csuk-slate-100);
  font-weight: 600;
}

/* Share row */
.csuk-article-share {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--csuk-slate-200);
}
.csuk-share-label {
  font-size: .84rem;
  font-weight: 600;
  color: var(--csuk-slate-400);
}
.csuk-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1.5px solid var(--csuk-slate-200);
  border-radius: var(--csuk-radius);
  background: var(--csuk-white);
  font-size: .84rem;
  font-weight: 500;
  color: var(--csuk-slate-600);
  cursor: pointer;
  transition: background var(--csuk-transition), border-color var(--csuk-transition), color var(--csuk-transition);
}
.csuk-share-btn:hover {
  background: var(--csuk-blue-50);
  border-color: var(--csuk-blue-500);
  color: var(--csuk-blue-600);
}

/* ── Loading Skeleton ────────────────────────────────────────────────────────── */
@keyframes csuk-shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position: 600px 0;  }
}
.csuk-skeleton {
  background: linear-gradient(90deg, var(--csuk-slate-100) 25%, var(--csuk-slate-200) 50%, var(--csuk-slate-100) 75%);
  background-size: 1200px 100%;
  animation: csuk-shimmer 1.6s infinite;
  border-radius: var(--csuk-radius-sm);
}

/* ── Transition Overlay ──────────────────────────────────────────────────────── */
.csuk-hub-main--loading .csuk-article {
  opacity: 0;
  transition: opacity var(--csuk-transition-slow);
}
.csuk-hub-main--loaded .csuk-article {
  opacity: 1;
  transition: opacity var(--csuk-transition-slow);
}
@keyframes csuk-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.csuk-article { animation: csuk-fade-in var(--csuk-transition-slow) both; }

/* ── Featured Banner ─────────────────────────────────────────────────────────── */
.csuk-featured-banner {
  position: relative;
  border-radius: var(--csuk-radius-xl);
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  margin-bottom: 32px;
}
.csuk-featured-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.csuk-featured-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.csuk-featured-bg--gradient {
  background: linear-gradient(135deg, var(--csuk-accent) 0%, #7c3aed 60%, #db2777 100%);
}
.csuk-featured-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,16,30,.85) 0%, rgba(10,16,30,.35) 60%, transparent 100%);
  z-index: 1;
}
.csuk-featured-content {
  position: relative;
  z-index: 2;
  padding: 40px 44px;
  color: var(--csuk-white);
  max-width: 640px;
}
.csuk-featured-cat {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: rgba(255,255,255,.75);
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  padding: 3px 10px;
  border-radius: 99px;
  margin-bottom: 12px;
}
.csuk-featured-title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.18;
  margin: 0 0 12px;
  letter-spacing: -.025em;
}
.csuk-featured-snippet {
  font-size: 1rem;
  line-height: 1.65;
  opacity: .8;
  margin: 0 0 16px;
}
.csuk-featured-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .84rem;
  opacity: .65;
  margin-bottom: 20px;
}
.csuk-featured-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  background: var(--csuk-white);
  color: var(--csuk-slate-900);
  border-radius: var(--csuk-radius);
  font-weight: 700;
  font-size: .9rem;
  text-decoration: none;
  transition: background var(--csuk-transition), transform var(--csuk-transition), box-shadow var(--csuk-transition);
}
.csuk-featured-cta:hover {
  background: var(--csuk-blue-50);
  transform: translateY(-2px);
  box-shadow: var(--csuk-shadow-lg);
}

/* ── Latest Widget ───────────────────────────────────────────────────────────── */
.csuk-latest-widget {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.csuk-latest-widget--compact {
  gap: 8px;
}

/* Compact items */
.csuk-compact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border-radius: var(--csuk-radius);
  border: 1.5px solid var(--csuk-slate-200);
  background: var(--csuk-white);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--csuk-transition), box-shadow var(--csuk-transition), transform var(--csuk-transition);
}
.csuk-compact-item:hover {
  border-color: var(--csuk-blue-500);
  box-shadow: var(--csuk-shadow-sm);
  transform: translateX(3px);
}
.csuk-compact-img {
  width: 60px;
  height: 52px;
  border-radius: var(--csuk-radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--csuk-blue-500) 0%, #7c3aed 100%);
}
.csuk-compact-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.csuk-compact-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.csuk-compact-cat {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--csuk-blue-500);
}
.csuk-compact-title {
  font-size: .875rem;
  font-weight: 600;
  color: var(--csuk-slate-800);
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.csuk-compact-date {
  font-size: .76rem;
  color: var(--csuk-slate-400);
}

/* ── Remote Feed ─────────────────────────────────────────────────────────────── */
.csuk-remote-feed {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.csuk-remote-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px;
  border-radius: var(--csuk-radius);
  border: 1.5px solid var(--csuk-slate-200);
  background: var(--csuk-white);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--csuk-transition), box-shadow var(--csuk-transition);
}
.csuk-remote-item:hover {
  border-color: var(--csuk-blue-500);
  box-shadow: var(--csuk-shadow-sm);
}
.csuk-remote-img {
  width: 72px;
  height: 60px;
  border-radius: var(--csuk-radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.csuk-remote-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.csuk-remote-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.csuk-remote-cat {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--csuk-blue-500);
}
.csuk-remote-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--csuk-slate-800);
  line-height: 1.35;
}
.csuk-remote-snippet {
  font-size: .82rem;
  color: var(--csuk-slate-600);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.csuk-remote-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .76rem;
  color: var(--csuk-slate-400);
}
.csuk-remote-error,
.csuk-remote-empty {
  padding: 16px;
  border-radius: var(--csuk-radius);
  background: var(--csuk-slate-100);
  color: var(--csuk-slate-500);
  font-size: .9rem;
}

/* ── Related Articles ────────────────────────────────────────────────────────── */
.csuk-related {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--csuk-slate-200);
}
.csuk-related-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--csuk-slate-800);
  margin: 0 0 16px;
  letter-spacing: -.01em;
}
.csuk-related-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Active card highlight */
.csuk-blog-card--active {
  border-color: var(--csuk-accent);
  box-shadow: var(--csuk-shadow), inset 3px 0 0 var(--csuk-accent);
  background: var(--csuk-blue-50);
}

/* ── Miscellaneous ───────────────────────────────────────────────────────────── */
.csuk-hub-empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--csuk-slate-400);
  font-size: .95rem;
}
.csuk-sidebar-empty {
  padding: 24px 8px;
  text-align: center;
  color: var(--csuk-slate-400);
  font-size: .875rem;
}
.csuk-sidebar-list .csuk-blog-card:last-child {
  margin-bottom: 0;
}

/* ── Responsive ──────────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .csuk-hub-layout {
    grid-template-columns: 1fr 320px;
    gap: 24px;
  }
}

@media (max-width: 860px) {
  .csuk-hub-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "main"
      "sidebar";
  }
  .csuk-hub-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
  }
  .csuk-sidebar-inner {
    overflow: visible;
  }
  .csuk-sidebar-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .csuk-sidebar-list .csuk-blog-card {
    margin-bottom: 0;
  }
  .csuk-article-header,
  .csuk-article-share { padding-left: 24px; padding-right: 24px; }
  .csuk-article-header { padding-top: 28px; }
  .csuk-article-share  { padding-bottom: 36px; }
  .csuk-article-content:not(:has(.fl-builder-content)) { padding-left: 24px; padding-right: 24px; }
  .csuk-article-title { font-size: 1.55rem; }
  .csuk-article-hero  { height: 240px; }
  .csuk-featured-banner { min-height: 320px; }
  .csuk-featured-title  { font-size: 1.7rem; }
  .csuk-featured-content { padding: 28px 28px; }
}

@media (max-width: 560px) {
  .csuk-hub-toolbar { flex-direction: column; align-items: stretch; }
  .csuk-sidebar-list { grid-template-columns: 1fr; }
  .csuk-article-header,
  .csuk-article-share { padding-left: 16px; padding-right: 16px; }
  .csuk-article-header { padding-top: 20px; }
  .csuk-article-share  { padding-bottom: 28px; }
  .csuk-article-content:not(:has(.fl-builder-content)) { padding-left: 16px; padding-right: 16px; }
  .csuk-article-title { font-size: 1.3rem; }
  .csuk-article-hero  { height: 200px; }
  .csuk-featured-banner { min-height: 260px; }
  .csuk-featured-title  { font-size: 1.4rem; }
  .csuk-featured-content { padding: 20px 18px; }
  .csuk-blog-card--compact { flex-direction: row; }
}

/* ── Accessibility ───────────────────────────────────────────────────────────── */
.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(1px,1px,1px,1px);
  white-space: nowrap;
}
:focus-visible {
  outline: 2.5px solid var(--csuk-blue-500);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}