/* ── KENNISBANK HERO ── */
.kb-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 8vw, 7rem) 0 clamp(3rem, 5vw, 5rem);
  background: linear-gradient(160deg, oklch(96% 0.04 265) 0%, oklch(99% 0.005 265) 60%);
  border-bottom: 1px solid var(--border);
}

.kb-hero-bg {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
}
.kb-hero-orb {
  position: absolute;
  border-radius: 50%;
}
.kb-hero-orb-1 {
  width: 600px; height: 600px;
  top: -200px; right: -120px;
  background: radial-gradient(circle, oklch(88% 0.08 265 / 0.5) 0%, transparent 65%);
}
.kb-hero-orb-2 {
  width: 400px; height: 400px;
  bottom: -150px; left: -80px;
  background: radial-gradient(circle, oklch(92% 0.05 28 / 0.35) 0%, transparent 65%);
}

.kb-hero-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  gap: 0;
}

.kb-hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px 6px 10px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.76rem; font-weight: 600;
  color: var(--indigo-mid);
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px oklch(40% 0.18 265 / 0.08);
}

.kb-hero-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--text);
  text-wrap: balance;
  margin-bottom: 1.25rem;
}
.kb-hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--indigo-mid), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.kb-hero-sub {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  line-height: 1.7;
  color: var(--muted);
  max-width: 540px;
  margin-bottom: 2.5rem;
}

/* ── SEARCH ── */
.kb-search-wrap { width: 100%; max-width: 620px; margin-bottom: 1.5rem; }

.kb-search-box {
  display: flex; align-items: center; gap: 0.75rem;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 0 1.25rem;
  height: 58px;
  box-shadow: 0 4px 24px oklch(40% 0.18 265 / 0.10),
              0 1px 3px oklch(0% 0 0 / 0.04);
  transition: border-color 0.2s, box-shadow 0.2s;
  cursor: text;
}
.kb-search-box:focus-within {
  border-color: var(--indigo-mid);
  box-shadow: 0 0 0 3px oklch(52% 0.20 265 / 0.12),
              0 4px 24px oklch(40% 0.18 265 / 0.10);
}

.kb-search-icon { color: var(--muted); flex-shrink: 0; }

#kb-search {
  flex: 1;
  border: none; outline: none; background: none;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  color: var(--text);
}
#kb-search::placeholder { color: var(--muted); }

.kb-search-kbd {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--indigo-light);
  color: var(--indigo-mid);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.7rem; font-weight: 700;
  border-radius: 6px;
  padding: 3px 7px;
  border: 1px solid oklch(88% 0.06 265);
  flex-shrink: 0;
  user-select: none;
}
@media (max-width: 480px) { .kb-search-kbd { display: none; } }

/* ── HERO STATS ── */
.kb-hero-stats {
  display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap;
  justify-content: center;
  font-size: 0.85rem; color: var(--muted);
  font-family: 'Inter', sans-serif;
}
.kb-hero-stats strong {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700; color: var(--text);
}
.kb-stat-dot {
  width: 3px; height: 3px; border-radius: 50%;
  background: var(--muted); flex-shrink: 0;
  display: inline-block;
}

/* ── MAIN WRAP ── */
.kb-wrap { padding-top: 2.5rem; padding-bottom: 5rem; }

/* ── CATEGORY FILTERS ── */
.kb-filters {
  display: flex; align-items: center; gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.kb-filter-btn {
  display: inline-flex; align-items: center;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  padding: 7px 16px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.82rem; font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s, transform 0.12s;
}
.kb-filter-btn:hover {
  border-color: var(--indigo-mid);
  color: var(--indigo);
  background: var(--indigo-light);
}
.kb-filter-btn.active {
  background: var(--indigo);
  border-color: var(--indigo);
  color: #fff;
  transform: none;
}

/* ── RESULT COUNT ── */
.kb-result-count {
  font-size: 0.82rem; color: var(--muted);
  margin-bottom: 1.25rem;
  font-family: 'Inter', sans-serif;
}

/* ── FEATURED POST ── */
.kb-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  margin-bottom: 2rem;
  box-shadow: 0 4px 6px oklch(0% 0 0 / 3%), 0 20px 50px oklch(40% 0.18 265 / 7%);
  transition: box-shadow 0.2s, transform 0.2s;
}
.kb-featured:hover {
  box-shadow: 0 8px 40px oklch(40% 0.18 265 / 12%);
  transform: translateY(-2px);
}
@media (max-width: 760px) {
  .kb-featured { grid-template-columns: 1fr; }
}

.kb-featured-img-wrap {
  display: block; overflow: hidden;
}
.kb-featured-img {
  width: 100%; height: 100%;
  min-height: 260px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}
.kb-featured:hover .kb-featured-img { transform: scale(1.04); }

.kb-featured-body {
  padding: clamp(1.75rem, 3vw, 2.5rem);
  display: flex; flex-direction: column; gap: 1rem;
}

.kb-featured-top {
  display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap;
}

.kb-newest-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: oklch(93% 0.06 28);
  color: var(--accent);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.05em; text-transform: uppercase;
  border-radius: 100px;
  padding: 4px 10px;
}
.kb-newest-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

.kb-cat-pill {
  display: inline-block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--indigo-mid);
  background: var(--indigo-light);
  border-radius: 100px;
  padding: 4px 12px;
  text-decoration: none;
  transition: background 0.18s, color 0.18s;
}
.kb-cat-pill:hover { background: var(--indigo); color: #fff; }

.kb-featured-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  letter-spacing: -0.025em;
  line-height: 1.25;
  color: var(--text);
  text-wrap: balance;
}
.kb-featured-title a {
  text-decoration: none; color: inherit;
  transition: color 0.2s;
}
.kb-featured-title a:hover { color: var(--indigo); }

.kb-featured-excerpt {
  font-size: 0.95rem; line-height: 1.7;
  color: var(--muted);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kb-featured-footer {
  display: flex; align-items: center;
  justify-content: space-between; gap: 1rem;
  flex-wrap: wrap;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.kb-featured-meta {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.82rem; color: var(--muted);
}

.kb-read-btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--indigo);
  color: #fff;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.85rem; font-weight: 700;
  padding: 9px 18px;
  border-radius: 100px;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}
.kb-read-btn:hover { background: var(--indigo-mid); transform: translateY(-1px); }

/* ── ARTICLE GRID ── */
.kb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
@media (max-width: 480px) { .kb-grid { grid-template-columns: 1fr; } }

/* ── ARTICLE CARD ── */
.kb-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: box-shadow 0.2s, transform 0.2s;
}
.kb-card:hover {
  box-shadow: 0 8px 32px oklch(0% 0 0 / 7%);
  transform: translateY(-3px);
}

.kb-card-img-wrap { display: block; overflow: hidden; flex-shrink: 0; }
.kb-card-img {
  width: 100%; height: 180px;
  object-fit: cover;
  display: block;
  transition: transform 0.35s;
}
.kb-card:hover .kb-card-img { transform: scale(1.05); }

.kb-card-body {
  padding: 1.25rem 1.35rem 1.4rem;
  display: flex; flex-direction: column; gap: 0.55rem;
  flex: 1;
}

.kb-card-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--text);
  text-wrap: balance;
}
.kb-card-title a {
  text-decoration: none; color: inherit;
  transition: color 0.18s;
}
.kb-card-title a:hover { color: var(--indigo); }

.kb-card-excerpt {
  font-size: 0.875rem; line-height: 1.65;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.kb-card-footer {
  display: flex; align-items: center;
  justify-content: space-between; gap: 0.5rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.kb-card-meta {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.78rem; color: var(--muted);
}

.kb-card-arrow {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--indigo-light);
  color: var(--indigo);
  text-decoration: none;
  flex-shrink: 0;
  transition: background 0.18s, color 0.18s, transform 0.15s;
}
.kb-card-arrow:hover { background: var(--indigo); color: #fff; transform: translateX(2px); }

/* ── EMPTY STATE ── */
.kb-empty {
  text-align: center;
  padding: 5rem 2rem;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
.kb-empty-icon {
  width: 64px; height: 64px; border-radius: 18px;
  background: var(--indigo-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--indigo-mid);
}
.kb-empty-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800; font-size: 1.2rem;
  letter-spacing: -0.02em; color: var(--text);
}
.kb-empty-sub {
  font-size: 0.92rem; color: var(--muted);
  max-width: 340px;
}
.kb-empty-reset {
  display: inline-flex; align-items: center;
  background: var(--indigo);
  color: #fff;
  border: none; cursor: pointer;
  padding: 10px 22px; border-radius: 100px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700; font-size: 0.88rem;
  margin-top: 0.5rem;
  transition: background 0.2s, transform 0.15s;
}
.kb-empty-reset:hover { background: var(--indigo-mid); transform: translateY(-1px); }

/* ── HIDE/SHOW TRANSITIONS ── */
.kb-card[hidden],
.kb-featured[hidden] { display: none; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .kb-featured { grid-template-columns: 1fr; }
  .kb-featured-img { min-height: 220px; max-height: 280px; }
}
@media (max-width: 600px) {
  .kb-filters { gap: 0.3rem; }
  .kb-filter-btn { font-size: 0.78rem; padding: 6px 13px; }
}