/* ── CSS Variables ─────────────────────────────────────────────────────────── */
:root {
  --primary:       #2563eb;
  --primary-dark:  #1d4ed8;
  --primary-light: #eff6ff;
  --accent:        #f59e0b;
  --text:          #0f172a;
  --text-muted:    #64748b;
  --text-light:    #94a3b8;
  --bg:            #ffffff;
  --bg-alt:        #f8fafc;
  --border:        #e2e8f0;
  --border-dark:   #cbd5e1;
  --card-shadow:   0 1px 4px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04);
  --card-shadow-h: 0 8px 24px rgba(0,0,0,.12);
  --radius:        1rem;
  --radius-sm:     .5rem;
  --transition:    .2s ease;
  --max-width:     1200px;

  /* Category color palette */
  --cat-technology:  #3b82f6;
  --cat-programming: #8b5cf6;
  --cat-health:      #10b981;
  --cat-finance:     #f59e0b;
  --cat-career:      #ef4444;
  --cat-travel:      #06b6d4;
  --cat-food:        #f97316;
  --cat-science:     #6366f1;
  --cat-lifestyle:   #ec4899;
  --cat-default:     #64748b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text:        #f1f5f9;
    --text-muted:  #94a3b8;
    --text-light:  #64748b;
    --bg:          #0f172a;
    --bg-alt:      #1e293b;
    --border:      #1e293b;
    --border-dark: #334155;
    --card-shadow: 0 1px 4px rgba(0,0,0,.3);
    --card-shadow-h: 0 8px 24px rgba(0,0,0,.4);
    --primary-light: #1e3a5f;
  }
}

/* ── Reset ────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }

/* ── Layout ───────────────────────────────────────────────────────────────── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }

/* ── Header ───────────────────────────────────────────────────────────────── */
.site-header {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(15,23,42,.95); }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1.5rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text);
  white-space: nowrap;
  letter-spacing: -.02em;
}
.site-logo:hover { color: var(--primary); }
.logo-icon {
  color: var(--primary);
  font-size: 1.4rem;
  line-height: 1;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.nav-link {
  color: var(--text-muted);
  font-size: .875rem;
  font-weight: 500;
  padding: .4rem .75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--primary); background: var(--primary-light); }

.btn-admin {
  background: var(--primary);
  color: #fff !important;
  padding: .4rem .9rem;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 600;
  margin-left: .5rem;
}
.btn-admin:hover { background: var(--primary-dark); }

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}
.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .mobile-menu-btn { display: flex; }
}

/* ── Hero Banner ──────────────────────────────────────────────────────────── */
.hero-banner {
  position: relative;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 45%, #1e40af 70%, #2563eb 100%);
  overflow: hidden;
  padding: 5rem 0 4rem;
  color: #fff;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.shape {
  position: absolute;
  border-radius: 50%;
  opacity: .08;
  background: #fff;
}
.shape-1 { width: 600px; height: 600px; top: -200px; right: -150px; }
.shape-2 { width: 350px; height: 350px; bottom: -100px; left: -80px; }
.shape-3 { width: 200px; height: 200px; top: 60%; right: 20%; opacity: .05; }

.hero-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.hero-text { flex: 1; max-width: 640px; }

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #93c5fd;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.03em;
  margin-bottom: 1.25rem;
  color: #fff;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: #bfdbfe;
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-search-wrap { max-width: 480px; }

.hero-search-box {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 3rem;
  padding: .35rem .35rem .35rem 1.1rem;
  gap: .75rem;
  transition: all var(--transition);
}
.hero-search-box:focus-within {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.5);
  box-shadow: 0 0 0 4px rgba(255,255,255,.1);
}
.hero-search-box svg { color: rgba(255,255,255,.6); flex-shrink: 0; }
.hero-search-box input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: #fff;
  font-size: .95rem;
  font-family: inherit;
}
.hero-search-box input::placeholder { color: rgba(255,255,255,.5); }
.hero-search-box button {
  background: #fff;
  color: var(--primary);
  border: none;
  border-radius: 2rem;
  padding: .55rem 1.25rem;
  font-size: .875rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
  white-space: nowrap;
}
.hero-search-box button:hover { background: #dbeafe; }

.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-shrink: 0;
}
.stat-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius);
  padding: 1.25rem 2rem;
  text-align: center;
  backdrop-filter: blur(8px);
}
.stat-num {
  display: block;
  font-size: 2.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.04em;
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: .75rem;
  color: #93c5fd;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-top: .3rem;
}

@media (max-width: 900px) {
  .hero-stats { flex-direction: row; }
  .stat-card { padding: 1rem 1.5rem; }
}
@media (max-width: 640px) {
  .hero-inner { flex-direction: column; align-items: flex-start; }
  .hero-stats { width: 100%; }
  .stat-card { flex: 1; }
  .hero-banner { padding: 3.5rem 0 3rem; }
}

/* ── Category Bar ─────────────────────────────────────────────────────────── */
.category-bar-wrap {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 68px;
  z-index: 90;
}

.category-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.category-bar::-webkit-scrollbar { display: none; }

.cat-pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .35rem .9rem;
  border-radius: 2rem;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
  transition: all var(--transition);
  white-space: nowrap;
  font-family: inherit;
}
.cat-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}
.cat-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.cat-pill .cat-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
  opacity: .7;
}

/* ── Main ─────────────────────────────────────────────────────────────────── */
.site-main { padding: 2.5rem 0 4rem; }

/* ── Search Notice ────────────────────────────────────────────────────────── */
.search-notice {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--primary-light);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-sm);
  padding: .65rem 1rem;
  font-size: .875rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}
.clear-search {
  margin-left: auto;
  color: var(--primary);
  font-weight: 600;
  font-size: .8rem;
}
.clear-search:hover { color: var(--primary-dark); }

/* ── Section Heading ──────────────────────────────────────────────────────── */
.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  gap: 1rem;
}
.section-title {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -.02em;
}
.section-count {
  font-size: .85rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Article Cards Grid ───────────────────────────────────────────────────── */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 1024px) {
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .articles-grid { grid-template-columns: 1fr; gap: 1rem; }
}

/* Featured first card spans 2 cols */
.articles-grid .article-card:first-child {
  grid-column: span 2;
}
@media (max-width: 1024px) {
  .articles-grid .article-card:first-child { grid-column: span 2; }
}
@media (max-width: 640px) {
  .articles-grid .article-card:first-child { grid-column: span 1; }
}

/* ── Article Card ─────────────────────────────────────────────────────────── */
.article-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
}
.article-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--cat-color, var(--cat-default));
  border-radius: var(--radius) var(--radius) 0 0;
}
.article-card:hover {
  box-shadow: var(--card-shadow-h);
  transform: translateY(-3px);
}

/* Featured card (first) */
.article-card.featured {
  flex-direction: row;
  min-height: 240px;
}
.article-card.featured .card-cover-wrap {
  width: 45%;
  flex-shrink: 0;
}
.article-card.featured .card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (max-width: 640px) {
  .article-card.featured { flex-direction: column; }
  .article-card.featured .card-cover-wrap { width: 100%; height: 200px; }
}

.card-cover-wrap { overflow: hidden; }
.card-cover-wrap:not(.featured .card-cover-wrap) {
  height: 190px;
}
.card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.article-card:hover .card-cover { transform: scale(1.04); }

.card-body {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: .5rem;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
}

/* Category badge with per-category color */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .18rem .65rem;
  border-radius: 2rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: var(--cat-bg, #f1f5f9);
  color: var(--cat-color, var(--cat-default));
  border: 1px solid var(--cat-color, var(--cat-default));
  opacity: 0.9;
}
.badge::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.card-date {
  font-size: .75rem;
  color: var(--text-light);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  margin-top: .1rem;
}
.card-title a { color: var(--text); }
.card-title a:hover { color: var(--primary); }

.article-card.featured .card-title {
  font-size: 1.3rem;
}

.card-excerpt {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: .75rem;
  padding-top: .75rem;
  border-top: 1px solid var(--border);
}

.card-tags { display: flex; flex-wrap: wrap; gap: .3rem; }
.tag {
  font-size: .7rem;
  background: var(--bg-alt);
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: .1rem .45rem;
  border-radius: 2rem;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  flex-shrink: 0;
}
.read-more svg { width: 14px; height: 14px; transition: transform var(--transition); }
.read-more:hover svg { transform: translateX(3px); }

/* ── Loading / Empty ──────────────────────────────────────────────────────── */
.loading {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-muted);
}
.spinner {
  width: 2.25rem; height: 2.25rem;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-muted);
}
.empty-state .icon { font-size: 3rem; margin-bottom: .75rem; }
.empty-state h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: .4rem; }

/* ── Pagination ───────────────────────────────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .35rem;
  margin-top: 2.5rem;
}
.pagination button {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: .45rem .85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: .875rem;
  font-family: inherit;
  transition: all var(--transition);
  font-weight: 500;
}
.pagination button:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.pagination button.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.pagination button:disabled { opacity: .35; cursor: default; }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.site-footer {
  background: #0f172a;
  color: var(--text-light);
  padding: 3.5rem 0 0;
  margin-top: 4rem;
}

@media (prefers-color-scheme: dark) {
  .site-footer { background: #020617; }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
}

.footer-logo { color: #fff; }
.footer-logo .logo-icon { color: #60a5fa; }
.footer-desc {
  font-size: .875rem;
  color: #475569;
  margin-top: .65rem;
  line-height: 1.6;
}

.footer-col { display: flex; flex-direction: column; gap: .55rem; }
.footer-col-title {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: .3rem;
}
.footer-col a {
  font-size: .875rem;
  color: #475569;
  font-weight: 400;
  transition: color var(--transition);
}
.footer-col a:hover { color: #e2e8f0; }

.footer-bottom {
  padding: 1.25rem 0;
  text-align: center;
}
.footer-bottom p { font-size: .8rem; color: #334155; }

/* ── Static Page (legal pages) ────────────────────────────────────────────── */
.static-page-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 60%, #2563eb 100%);
  padding: 3.5rem 0 3rem;
  color: #fff;
  margin-bottom: 0;
}
.static-page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: .5rem;
}
.static-page-hero p {
  color: #bfdbfe;
  font-size: 1rem;
}

.static-page-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}
.static-page-body h2 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin: 2.25rem 0 .75rem;
  color: var(--text);
}
.static-page-body h2:first-child { margin-top: 0; }
.static-page-body p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.static-page-body ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
.static-page-body li {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: .35rem;
}
.static-page-body a { text-decoration: underline; text-underline-offset: 3px; }
.static-page-body .last-updated {
  font-size: .82rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  display: block;
}

/* ── Article Detail ───────────────────────────────────────────────────────── */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2.5rem;
  padding: 2rem 0;
  align-items: start;
}
@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
}

.article-header { margin-bottom: 1.5rem; }

.article-category {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .25rem .75rem;
  border-radius: 2rem;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: .85rem;
  background: var(--cat-bg, #f1f5f9);
  color: var(--cat-color, var(--cat-default));
  border: 1px solid var(--cat-color, var(--cat-default));
}
.article-category::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.article-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.03em;
  margin-bottom: .85rem;
}
@media (max-width: 640px) { .article-title { font-size: 1.5rem; } }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  color: var(--text-muted);
  font-size: .85rem;
  margin-bottom: 1rem;
}

.article-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.5rem; }

.article-cover {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 2rem;
}

/* ── Article Content ──────────────────────────────────────────────────────── */
.article-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text);
}
.article-content h1, .article-content h2, .article-content h3 {
  margin: 2rem 0 .75rem;
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.25;
}
.article-content h1 { font-size: 1.65rem; }
.article-content h2 { font-size: 1.4rem; }
.article-content h3 { font-size: 1.15rem; }
.article-content p { margin-bottom: 1.25rem; }
.article-content ul, .article-content ol { margin-bottom: 1.25rem; padding-left: 1.75rem; }
.article-content li { margin-bottom: .4rem; }
.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding: .85rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  font-style: italic;
}
.article-content code {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: .15rem .4rem;
  border-radius: .3rem;
  font-family: 'Fira Code', 'Cascadia Code', monospace;
  font-size: .88em;
}
.article-content pre {
  background: #0f172a;
  color: #e2e8f0;
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 1.5rem 0;
}
.article-content pre code { background: none; border: none; padding: 0; color: inherit; }
.article-content strong { font-weight: 700; }
.article-content img { border-radius: var(--radius-sm); margin: 1rem 0; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.article-content th, .article-content td {
  border: 1px solid var(--border);
  padding: .6rem .85rem;
  text-align: left;
}
.article-content th { background: var(--bg-alt); font-weight: 600; }
.article-content a { text-decoration: underline; text-underline-offset: 3px; }

/* ── AFS Related Search Slots (Google renders inside these) ──────────────── */
.afs-rs-slot {
  margin: 2rem 0;
  min-height: 80px; /* reserve visual space while Google loads */
}

/* ── AFS / Related Search Terms ───────────────────────────────────────────── */
.afs-section {
  margin: 2.5rem 0;
  padding: 1.5rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.afs-section-title {
  font-size: .72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.afs-section-title svg { width: 13px; height: 13px; }

.search-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.25rem; }

.search-chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: var(--bg);
  border: 1px solid var(--border-dark);
  color: var(--text);
  padding: .45rem .9rem;
  border-radius: 2rem;
  font-size: .85rem;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  font-weight: 500;
}
.search-chip:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.search-chip svg { width: 12px; height: 12px; opacity: .5; }

.afs-ad-container {
  margin-top: .75rem;
  min-height: 60px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: .78rem;
}
.afs-ad-container.loaded { border: none; background: transparent; min-height: 0; }

/* ── Results Page ─────────────────────────────────────────────────────────── */
.results-header {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}
.results-query {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: .4rem;
}
.results-query span { color: var(--primary); }
.results-back {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  color: var(--text-muted);
  font-size: .85rem;
  margin-bottom: 1rem;
  font-weight: 500;
}
.results-back:hover { color: var(--primary); }

.results-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.5rem;
  align-items: start;
  padding-bottom: 3rem;
}
@media (max-width: 900px) { .results-layout { grid-template-columns: 1fr; } }

.results-ad-section {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 2rem;
}
.results-ad-title {
  font-size: .72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: .75rem;
  font-weight: 700;
}

.related-articles-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: 1rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

.related-article-item {
  display: flex;
  gap: .75rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.related-article-item:last-child { border-bottom: none; }

.related-article-num {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--border-dark);
  min-width: 1.5rem;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
}

.related-article-info h4 {
  font-size: .9rem;
  font-weight: 600;
  margin-bottom: .2rem;
  line-height: 1.35;
}
.related-article-info h4 a { color: var(--text); }
.related-article-info h4 a:hover { color: var(--primary); }
.related-article-info p {
  font-size: .78rem;
  color: var(--text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Sidebar (article page) ───────────────────────────────────────────────── */
.article-sidebar > * { position: sticky; top: 80px; }

.widget {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.widget-title {
  font-size: .72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: .75rem;
}
.toc-widget { font-size: .875rem; }
.toc-widget ul { list-style: none; padding: 0; }
.toc-widget li { margin-bottom: .35rem; }
.toc-widget a {
  color: var(--text-muted);
  display: block;
  padding: .2rem 0 .2rem .65rem;
  border-left: 2px solid transparent;
}
.toc-widget a:hover, .toc-widget a.active {
  color: var(--primary);
  border-left-color: var(--primary);
}

/* ── Compact Header Search (article/results pages) ───────────────────────── */
.header-search-compact {
  flex: 1;
  max-width: 400px;
}

.search-box-compact {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--bg-alt);
  border: 1.5px solid var(--border);
  border-radius: 2rem;
  padding: .35rem .35rem .35rem .9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-box-compact:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.search-box-compact svg { color: var(--text-light); flex-shrink: 0; }
.search-box-compact input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: .875rem;
  color: var(--text);
  font-family: inherit;
  min-width: 0;
}
.search-box-compact input::placeholder { color: var(--text-light); }
.search-box-compact button {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 2rem;
  padding: .35rem .85rem;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: background var(--transition);
}
.search-box-compact button:hover { background: var(--primary-dark); }

/* ── Article back link ────────────────────────────────────────────────────── */
.article-back-wrap { padding: 1.25rem 0 .25rem; }
.article-back-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--text-muted);
  font-size: .85rem;
  font-weight: 500;
  transition: color var(--transition);
}
.article-back-link:hover { color: var(--primary); }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.15rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline { background: transparent; border-color: var(--border-dark); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* ── Utility ──────────────────────────────────────────────────────────────── */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ── Mobile Responsive ────────────────────────────────────────────────────── */

/* Header: prevent overflow on narrow screens */
@media (max-width: 640px) {
  .header-inner { gap: .65rem; height: 60px; }
  .site-logo { font-size: 1rem; }
  .logo-icon { font-size: 1.2rem; }
  .logo-text { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .header-search-compact { min-width: 0; }
  .search-box-compact { padding: .3rem .3rem .3rem .65rem; }
  .search-box-compact button { padding: .3rem .65rem; font-size: .75rem; }
}

/* Article page: prevent content overflow */
.article-content {
  overflow-wrap: break-word;
  word-break: break-word;
}
.article-content table {
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.article-content img { max-width: 100%; height: auto; display: block; }

/* AFS iframe slots must not overflow */
.afs-rs-slot { max-width: 100%; overflow: hidden; }
.afs-rs-slot iframe { max-width: 100% !important; }

/* Results page: compact on mobile */
@media (max-width: 640px) {
  .results-query { font-size: 1.2rem; }
  .results-header { padding: 1.25rem 0 1rem; }
  .results-ad-section { padding: .85rem; }
}

/* Article layout: sidebar stacks below content on tablet/mobile */
@media (max-width: 900px) {
  .article-sidebar { margin-top: 1rem; }
  .article-sidebar > * { position: static; }
}

/* Container: tighter horizontal padding on small screens */
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .article-back-wrap { padding: .85rem 0 .1rem; }
  .article-title { font-size: 1.35rem; }
  .card-body { padding: 1rem; }
}

/* Hero banner: reduce padding on very small screens */
@media (max-width: 480px) {
  .hero-banner { padding: 2.5rem 0 2rem; }
  .hero-title { font-size: 1.75rem; }
  .hero-subtitle { font-size: .95rem; margin-bottom: 1.5rem; }
  .hero-stats { gap: .5rem; }
  .stat-card { padding: .75rem 1rem; }
  .stat-num { font-size: 1.75rem; }
}

/* Category bar: always scrollable, no wrap */
.category-bar { flex-wrap: nowrap; }

/* Footer: single column on small screens */
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; gap: 1.25rem; padding-bottom: 2rem; }
}