/* Centro de Conhecimento — estilos partilhados (CentroConhecimento + CentroConhecimentoTopico) */

.kn-page {
  --kn-accent-from: #7c3aed;
  --kn-accent-to: #d946ef;
  --kn-page-bg: #f9fafb;
  --kn-text-dark: #0f172a;
  --kn-text-muted: #475569;
  --kn-card-bg: #ffffff;
  --kn-border: rgba(124, 58, 237, 0.1);
  background: var(--kn-page-bg);
  color: var(--kn-text-dark);
}

.kn-page .container {
  position: relative;
  z-index: 1;
}

.kn-grad {
  display: inline;
  background: linear-gradient(90deg, var(--kn-accent-from) 0%, var(--kn-accent-to) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  -webkit-text-stroke: 0;
}

.kn-grad:focus,
.kn-grad:focus-visible {
  outline: none;
  border: none;
  box-shadow: none;
}

.kn-grad-light {
  color: #fbcfe8;
}

.kn-pill.pill-label,
.kn-not-found .kn-pill {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: clamp(0.7rem, 0.95vw, 0.8rem);
  font-weight: 700;
  padding: 0.5rem 1.15rem;
  background: #f3e8ff;
  color: #6d28d9;
  border: 1px solid rgba(124, 58, 237, 0.22);
  border-radius: 999px;
  box-shadow: 0 2px 12px rgba(124, 58, 237, 0.1);
  margin-bottom: 1rem;
}

/* ---------- HERO ---------- */

.kn-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(2.75rem, 5vw, 4.25rem);
  padding-bottom: clamp(2.75rem, 5vw, 4.25rem);
}

.kn-hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 14% 18%, rgba(124, 58, 237, 0.14) 0%, transparent 60%),
    radial-gradient(ellipse 55% 45% at 92% 82%, rgba(217, 70, 239, 0.1) 0%, transparent 58%);
  pointer-events: none;
  z-index: 0;
}

.kn-hero-inner {
  max-width: min(46rem, 100%);
}

.kn-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.45rem;
  color: var(--kn-text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: clamp(0.85rem, 1.05vw, 0.95rem);
  margin-bottom: 1rem;
}

a.kn-breadcrumb {
  transition: color 0.2s ease, transform 0.2s ease;
}

a.kn-breadcrumb:hover {
  color: #6d28d9;
  transform: translateX(-2px);
}

.kn-breadcrumb a {
  color: var(--kn-text-muted);
  text-decoration: none;
  font-weight: 600;
}

.kn-breadcrumb a:hover {
  color: #6d28d9;
}

.kn-breadcrumb-sep {
  color: #94a3b8;
}

.kn-hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 1.08;
  margin: 0 0 1rem;
  padding: 0;
  border: 0;
  outline: 0;
  box-shadow: none;
}

.kn-hero-title:focus,
.kn-hero-title:focus-visible {
  outline: none;
  border: none;
  box-shadow: none;
}

.kn-hero-line {
  display: block;
}

.kn-hero-line--dark {
  color: var(--kn-text-dark);
}

.kn-hero-sub {
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  color: var(--kn-text-muted);
  line-height: 1.65;
  margin: 0 0 clamp(1.35rem, 2.5vw, 1.85rem);
}

.kn-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(0.85rem, 2vw, 1.25rem);
}

.kn-cta-link {
  text-decoration: none !important;
  display: inline-block;
}

.kn-hero-actions .gradient-button {
  border-radius: 999px;
  padding: clamp(0.85rem, 1.45vw, 1rem) clamp(1.45rem, 2.4vw, 1.85rem);
  font-weight: 700;
}

.kn-hero-secondary {
  color: #6d28d9;
  font-weight: 700;
  text-decoration: none;
  font-size: clamp(0.92rem, 1.15vw, 1rem);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: color 0.2s ease, transform 0.2s ease;
}

.kn-hero-secondary:hover {
  color: #4c1d95;
  transform: translateX(2px);
}

/* ---------- ITENS / CARDS ---------- */

.kn-items {
  padding-top: clamp(2.5rem, 5vw, 3.75rem);
  padding-bottom: clamp(2.5rem, 5vw, 3.75rem);
}

.kn-section-head {
  text-align: center;
  margin-bottom: clamp(2rem, 4vw, 2.65rem);
  max-width: min(40rem, 100%);
  margin-left: auto;
  margin-right: auto;
}

.kn-section-title {
  font-size: clamp(1.65rem, 3vw, 2.2rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  margin: 0 0 0.65rem;
  border: 0;
  outline: 0;
}

.kn-section-sub {
  font-size: clamp(0.95rem, 1.25vw, 1.05rem);
  color: var(--kn-text-muted);
  line-height: 1.65;
  margin: 0;
}

.kn-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.15rem, 2vw, 1.5rem);
  align-items: stretch;
}

.kn-grid--topics .kn-card--topic .kn-card-tag {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kn-card {
  background: var(--kn-card-bg);
  border-radius: clamp(18px, 2.5vw, 22px);
  border: 1px solid var(--kn-border);
  padding: clamp(1.5rem, 2.5vw, 1.85rem);
  box-shadow: 0 6px 22px rgba(15, 23, 42, 0.06);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-height: 0;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.kn-card:hover,
.kn-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 18px 44px rgba(124, 58, 237, 0.12);
  border-color: rgba(124, 58, 237, 0.2);
}

.kn-card--published {
  position: relative;
  cursor: pointer;
}

.kn-card-link {
  color: inherit;
  text-decoration: none;
  outline: none;
  border: none;
  box-shadow: none;
}

.kn-card-link:hover,
.kn-card-link:focus,
.kn-card-link:focus-visible {
  color: #6d28d9;
  outline: none;
  border: none;
}

.kn-card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  z-index: 1;
}

.kn-card-link:focus-visible::after {
  outline: 2px solid #6d28d9;
  outline-offset: 4px;
}

.kn-card-status--live {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #ffffff;
  background: linear-gradient(135deg, #7c3aed 0%, #d946ef 100%);
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  letter-spacing: 0.06em;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.25);
}

.kn-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.kn-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(124, 58, 237, 0.16), rgba(217, 70, 239, 0.1));
  color: #4c1d95;
  font-size: 1.05rem;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.15);
  flex-shrink: 0;
}

.kn-card-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #6d28d9;
  background: #f5f3ff;
  border: 1px solid rgba(124, 58, 237, 0.18);
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
  flex-shrink: 0;
}

.kn-card-title {
  font-size: clamp(1.05rem, 1.45vw, 1.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.3;
  color: var(--kn-text-dark);
}

.kn-card-text {
  font-size: clamp(0.92rem, 1.15vw, 1rem);
  color: var(--kn-text-muted);
  line-height: 1.6;
  margin: 0;
  flex: 1 1 auto;
}

.kn-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px dashed rgba(124, 58, 237, 0.18);
  font-size: 0.82rem;
}

.kn-card-status {
  font-weight: 700;
  color: #6d28d9;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kn-card-readtime {
  color: var(--kn-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.kn-card-readtime i {
  font-size: 0.78rem;
}

/* ---------- CTA ---------- */

.kn-cta {
  padding-top: clamp(2.5rem, 5vw, 3.75rem);
  padding-bottom: clamp(2.5rem, 5vw, 3.75rem);
}

.kn-cta-inner {
  background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 55%, #d946ef 100%);
  color: #ffffff;
  border-radius: clamp(20px, 3vw, 28px);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: 0 24px 54px rgba(124, 58, 237, 0.3);
  text-align: center;
}

.kn-cta-title {
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.2;
  margin: 0 0 0.85rem;
}

.kn-cta-sub {
  font-size: clamp(0.95rem, 1.25vw, 1.05rem);
  color: rgba(255, 255, 255, 0.86);
  line-height: 1.65;
  margin: 0 auto clamp(1.35rem, 2.5vw, 1.85rem);
  max-width: min(36rem, 100%);
}

.kn-cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(0.85rem, 2vw, 1.25rem);
}

.kn-cta-inner .gradient-button {
  background: #ffffff !important;
  color: #4c1d95 !important;
  border-radius: 999px;
  padding: clamp(0.85rem, 1.45vw, 1rem) clamp(1.45rem, 2.4vw, 1.85rem);
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.22);
}

.kn-cta-inner .gradient-button:hover {
  filter: brightness(0.97);
  transform: translateY(-2px);
}

.kn-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  font-size: clamp(0.92rem, 1.15vw, 1rem);
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
  padding-bottom: 0.12rem;
}

.kn-cta-secondary:hover {
  color: #fbcfe8;
}

/* ---------- LOADING / 404 ---------- */

.kn-page--loading .kn-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 4rem 0;
}

.kn-loading-spinner {
  width: 2.25rem;
  height: 2.25rem;
  border: 3px solid rgba(124, 58, 237, 0.2);
  border-top-color: #7c3aed;
  border-radius: 50%;
  animation: kn-spin 0.8s linear infinite;
}

@keyframes kn-spin {
  to {
    transform: rotate(360deg);
  }
}

.kn-page--not-found {
  background: var(--kn-page-bg);
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.kn-not-found {
  text-align: center;
  max-width: min(36rem, 100%);
  margin: 0 auto;
}

.kn-not-found-title {
  font-size: clamp(1.65rem, 3vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  margin: 0 0 0.5rem;
}

.kn-not-found-text {
  color: var(--kn-text-muted);
  margin: 0 0 1.75rem;
  line-height: 1.65;
}

.kn-not-found-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.kn-not-found-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.15rem;
  border-radius: 999px;
  background: #ffffff;
  color: #6d28d9;
  border: 1px solid rgba(124, 58, 237, 0.25);
  text-decoration: none;
  font-size: 0.92rem;
  transition: background 0.2s ease, transform 0.2s ease;
}

.kn-not-found-link:hover {
  background: #f5f3ff;
  transform: translateY(-1px);
}

.kn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--kn-text-muted);
  text-decoration: none;
  font-weight: 600;
}

.kn-back:hover {
  color: #6d28d9;
}

/* ---------- RESPONSIVO ---------- */

@media (max-width: 900px) {
  .kn-grid {
    grid-template-columns: 1fr;
  }
}