/* =================================================
   BAZA WIEDZY — Listing /artykuly/
   ================================================= */

/* Hero */
.listing-hero {
  background: var(--brand-navy);
  color: white;
  padding: 80px 32px 100px;
  position: relative;
  overflow: hidden;
}
.listing-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 10% 50%, rgba(17,102,45,0.3) 0%, transparent 40%),
    radial-gradient(circle at 90% 30%, rgba(17,102,45,0.15) 0%, transparent 40%);
  pointer-events: none;
}
.listing-hero__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.listing-hero__crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.listing-hero__crumb a { color: inherit; text-decoration: none; }
.listing-hero__crumb a:hover { color: white; }
.listing-hero__title {
  color: white;
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 64px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.05;
  max-width: 800px;
  margin-bottom: 20px;
}

.listing-hero__title em {
    font-style: normal;
    color: var(--brand-primary) !important;
}

.listing-hero__desc {
  max-width: 620px;
  font-size: 18px;
  line-height: 1.55;
  color: rgba(255,255,255,0.75);
}

/* Category filters */
.listing-filters {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  position: sticky;
  top: 55px;
  z-index: 10;
}
.listing-filters__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding: 14px 0;
  scrollbar-width: none;
}
.listing-filters__inner::-webkit-scrollbar { display: none; }

.filter-chip {
  white-space: nowrap;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-block;
}
.filter-chip:hover { background: var(--surface-alt); }
.filter-chip.is-active {
  background: var(--brand-navy);
  color: white;
  border-color: var(--brand-navy);
}

/* Listing body */
.listing-body {
  padding: 56px 32px 80px;
  max-width: var(--container-max);
  margin: 0 auto;
}

/* Featured article */
.kb-featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 56px;
  transition: all 0.2s;
}
.kb-featured:hover { box-shadow: var(--shadow-lg); }
@media (max-width: 900px) { .kb-featured { grid-template-columns: 1fr; } }

.kb-featured__hero {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--brand-green-dark) 0%, var(--brand-navy) 100%);
  position: relative;
  overflow: hidden;
  display: block;
  text-decoration: none;
}
@media (max-width: 900px) { .kb-featured__hero { aspect-ratio: 16 / 9; } }
.kb-featured__hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(255,255,255,0.08) 0%, transparent 50%),
    linear-gradient(45deg, transparent 48%, rgba(255,255,255,0.04) 48%, rgba(255,255,255,0.04) 52%, transparent 52%);
  background-size: 100% 100%, 40px 40px;
}

.kb-featured__hero-badge {
  position: absolute;
  top: 24px;
  left: 24px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  color: white;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.2);
}

.kb-featured__body {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
@media (max-width: 900px) { .kb-featured__body { padding: 32px; } }

.kb-featured__cat {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--brand-green);
  margin-bottom: 16px;
}

.kb-featured__title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  color: var(--brand-navy);
  line-height: 1.2;
  letter-spacing: -0.6px;
  margin-bottom: 14px;
}

.kb-featured__subtitle {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 28px;
}

.kb-featured__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.kb-featured__author { display: flex; align-items: center; gap: 10px; }
.kb-featured__author-name { font-weight: 600; color: var(--text-primary); }

/* Grid */
.kb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .kb-grid { grid-template-columns: 1fr; } }
@media (min-width: 640px) and (max-width: 900px) { .kb-grid { grid-template-columns: 1fr 1fr; } }

/* Section heading */
.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.section-heading__title { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--brand-navy); letter-spacing: -0.3px; }

/* Pagination / load more */
.load-more { margin-top: 48px; text-align: center; }