/* =============================================
   wiedza.css — Centrum wiedzy v2
   Zgodny z projektem Collytics 2026
   ============================================= */

.kr-wiedza__wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* HERO */
.kr-wiedza__hero {
  background: var(--white);
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--gray-b);
}
.kr-wiedza__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-m);
  margin-bottom: 14px;
}
.kr-wiedza__breadcrumb a {
  color: var(--gray-m);
  text-decoration: none;
}
.kr-wiedza__breadcrumb a:hover { color: var(--black); }
.kr-wiedza__h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  color: var(--black);
  margin: 0 0 10px;
  letter-spacing: -1px;
  line-height: 1.1;
}
.kr-wiedza__lead {
  font-size: 15px;
  color: var(--gray-m);
  margin: 0;
  max-width: 560px;
  line-height: 1.6;
}

/* FILTRY */
.kr-wiedza__filters {
  background: var(--white);
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-b);
}
.kr-wiedza__filters .kr-wiedza__wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.kr-wiedza__filter {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--gray-b);
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  text-decoration: none;
  transition: all .2s;
  background: var(--white);
}
.kr-wiedza__filter:hover {
  border-color: var(--black);
  background: var(--gray-l);
}
.kr-wiedza__filter.active {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
  font-weight: 700;
}

/* LAYOUT GŁÓWNY */
.kr-wiedza__main {
  background: var(--gray-l);
  padding: 48px 0 80px;
}
.kr-wiedza__layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

/* WYRÓŻNIONY ARTYKUŁ */
.kr-wiedza__featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--gray-b);
  margin-bottom: 28px;
}
.kr-wiedza__featured-img-wrap {
  position: relative;
  display: block;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gray-b);
}
.kr-wiedza__featured-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.kr-wiedza__featured:hover .kr-wiedza__featured-img-wrap img {
  transform: scale(1.04);
}
.kr-wiedza__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--red);
  color: var(--white);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 12px;
  border-radius: 3px;
  z-index: 2;
}
.kr-wiedza__featured-body {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.kr-wiedza__featured-title {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.3;
  margin: 10px 0 14px;
  letter-spacing: -0.3px;
}
.kr-wiedza__featured-title a {
  color: var(--black);
  text-decoration: none;
  transition: color .2s;
}
.kr-wiedza__featured-title a:hover { color: var(--red); }
.kr-wiedza__featured-excerpt {
  font-size: 14px;
  color: var(--gray-m);
  line-height: 1.65;
  margin: 0 0 18px;
}
.kr-wiedza__featured-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-m);
  margin-bottom: 20px;
}
.kr-wiedza__author-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gray-b);
  display: inline-block;
}
.kr-wiedza__sep { color: var(--gray-b); }
.kr-wiedza__btn-czytaj {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--red);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: 4px;
  text-decoration: none;
  width: fit-content;
  transition: background .2s, transform .2s;
}
.kr-wiedza__btn-czytaj:hover {
  background: #c00;
  transform: translateX(3px);
}

/* ETYKIETA KATEGORII */
.kr-wiedza__cat-label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--red);
  display: block;
  margin-bottom: 6px;
}

/* SIATKA KART */
.kr-wiedza__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.kr-wiedza__card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--gray-b);
  transition: transform .25s, box-shadow .25s;
}
.kr-wiedza__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,.09);
}
.kr-wiedza__card-img-wrap {
  display: block;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--gray-l);
}
.kr-wiedza__card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s;
}
.kr-wiedza__card:hover .kr-wiedza__card-img-wrap img {
  transform: scale(1.04);
}
.kr-wiedza__img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-l);
}
.kr-wiedza__card-body {
  padding: 16px 18px 18px;
}
.kr-wiedza__card-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.kr-wiedza__card-title a {
  color: var(--black);
  text-decoration: none;
  transition: color .2s;
}
.kr-wiedza__card-title a:hover { color: var(--red); }
.kr-wiedza__card-excerpt {
  font-size: 13px;
  color: var(--gray-m);
  line-height: 1.55;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.kr-wiedza__card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--gray-m);
}
.kr-wiedza__czytaj {
  margin-left: auto;
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
  text-decoration: none;
  white-space: nowrap;
  transition: gap .2s;
}
.kr-wiedza__czytaj:hover { text-decoration: underline; }

/* PAGINACJA */
.kr-wiedza__pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.kr-wiedza__page-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 4px;
  border: 1px solid var(--gray-b);
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  text-decoration: none;
  background: var(--white);
  transition: all .2s;
}
.kr-wiedza__page-num:hover,
.kr-wiedza__page-num.active {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}
.kr-wiedza__page-dots {
  font-size: 14px;
  color: var(--gray-m);
  padding: 0 4px;
}
.kr-wiedza__page-next {
  padding: 0 16px;
  height: 38px;
  border-radius: 4px;
  border: 1px solid var(--gray-b);
  font-size: 14px;
  font-weight: 600;
  color: var(--black);
  text-decoration: none;
  background: var(--white);
  display: inline-flex;
  align-items: center;
  transition: all .2s;
}
.kr-wiedza__page-next:hover {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

/* SIDEBAR */
.kr-wiedza__sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.kr-wiedza__widget {
  background: var(--white);
  border: 1px solid var(--gray-b);
  border-radius: 8px;
  padding: 20px 22px;
}
.kr-wiedza__widget-title {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--black);
  margin: 0 0 14px;
}
.kr-wiedza__cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.kr-wiedza__cat-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--black);
  text-decoration: none;
  transition: background .15s;
}
.kr-wiedza__cat-list li a:hover { background: var(--gray-l); }
.kr-wiedza__cat-list li.active a {
  background: var(--gray-l);
  font-weight: 700;
  color: var(--red);
}
.kr-wiedza__cat-list span {
  font-size: 12px;
  color: var(--gray-m);
  background: var(--gray-l);
  padding: 2px 7px;
  border-radius: 999px;
}
.kr-wiedza__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.kr-wiedza__tag {
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--gray-b);
  color: var(--black);
  background: var(--white);
  cursor: default;
  transition: all .15s;
}
.kr-wiedza__tag:hover {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

/* WIDGET EKSPERT */
.kr-wiedza__widget--expert {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}
.kr-wiedza__expert-icon {
  width: 44px;
  height: 44px;
  background: var(--red);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.kr-wiedza__widget--expert h4 {
  font-size: 16px;
  font-weight: 800;
  color: var(--white);
  margin: 0 0 8px;
}
.kr-wiedza__widget--expert p {
  font-size: 13px;
  color: rgba(255,255,255,.65);
  line-height: 1.55;
  margin: 0 0 16px;
}
.kr-wiedza__expert-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--red);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 4px;
  text-decoration: none;
  transition: background .2s;
}
.kr-wiedza__expert-btn:hover { background: #c00; }

/* BRAK */
.kr-wiedza__empty {
  text-align: center;
  padding: 60px 20px;
  font-size: 15px;
  color: var(--gray-m);
  background: var(--white);
  border-radius: 8px;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .kr-wiedza__layout {
    grid-template-columns: 1fr;
  }
  .kr-wiedza__sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .kr-wiedza__widget--expert {
    grid-column: 1 / -1;
  }
}
@media (max-width: 768px) {
  .kr-wiedza__featured {
    grid-template-columns: 1fr;
  }
  .kr-wiedza__featured-img-wrap {
    aspect-ratio: 16/9;
  }
  .kr-wiedza__grid {
    grid-template-columns: 1fr;
  }
  .kr-wiedza__sidebar {
    grid-template-columns: 1fr;
  }
}