/**
 * ============================================================================
 * USSIX TECNOLOGIA E INOVAÇÕES — ESTILOS NATIVOS DA CENTRAL DE CONTEÚDOS
 * Arquivo: css/conteudos.css
 * Alinhado 100% à Identidade Visual Oficial e ao Design de downloads/index.html
 * ============================================================================
 */

/* ==========================================================================
   1. HERO OFICIAL DA CENTRAL DE CONTEÚDOS (MESMA IDENTIDADE DE DOWNLOADS)
   ========================================================================== */
.conteudos-hero {
  padding: 64px 0 48px;
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
}

.conteudos-hero-inner {
  max-width: 820px;
}

.conteudos-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8125rem;
  font-weight: var(--fw-bold);
  color: var(--color-primary-deep);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.conteudos-hero-eyebrow::after {
  content: '';
  display: inline-block;
  width: 32px;
  height: 2px;
  background-color: var(--color-tech-cyan);
  border-radius: var(--radius-pill);
}

.conteudos-hero-title {
  font-size: 2.75rem;
  font-weight: var(--fw-extrabold);
  color: var(--color-text-main);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.conteudos-hero-description {
  font-size: 1.125rem;
  color: var(--color-text-body);
  line-height: 1.6;
  max-width: 760px;
}

/* ==========================================================================
   2. BARRA DE FILTROS POR CATEGORIA (STICKY & IDENTIDADE DE DOWNLOADS)
   ========================================================================== */
.conteudos-filter-wrapper {
  position: sticky;
  top: 82px; /* Logo abaixo do header sticky oficial */
  z-index: 900;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 2px 8px rgba(6, 24, 36, 0.03);
  padding: 14px 0;
  transition: top var(--transition-fast);
}

.conteudos-filter-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.conteudos-filter-container::-webkit-scrollbar {
  display: none;
}

.conteudos-filter-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.conteudos-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-family: var(--font-family-primary);
  font-size: 0.875rem;
  font-weight: var(--fw-semibold);
  color: var(--color-text-body);
  background-color: #F1F5F9;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.conteudos-filter-btn:hover {
  background-color: var(--color-ice-soft);
  color: var(--color-primary-deep);
  border-color: rgba(0, 102, 152, 0.2);
}

.conteudos-filter-btn.is-active {
  background-color: var(--color-primary-deep);
  color: var(--color-text-white);
  border-color: var(--color-primary-deep);
  box-shadow: 0 2px 6px rgba(0, 102, 152, 0.25);
}

.conteudos-filter-btn .filter-count {
  display: inline-block;
  font-size: 0.75rem;
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  background-color: rgba(0, 0, 0, 0.08);
  font-weight: var(--fw-bold);
}

.conteudos-filter-btn.is-active .filter-count {
  background-color: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
}

.conteudos-count-info {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  font-weight: var(--fw-medium);
}

.conteudos-count-info strong {
  color: var(--color-primary-deep);
  font-weight: var(--fw-bold);
}

/* ==========================================================================
   3. SEÇÃO PRINCIPAL DE CONTEÚDOS E EXTENSÕES DE CARDS
   ========================================================================== */
.conteudos-main-section {
  padding: 56px 0 88px;
  background-color: var(--bg-surface-subtle);
  min-height: 500px;
}

/* Metadados adicionais dentro de .conteudo-meta */
.conteudo-meta-time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

/* Rodapé do card: alinhamento de data e botão */
.conteudo-card-footer-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.conteudo-card-date {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: var(--fw-medium);
}

/* Estado Vazio */
.conteudos-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 24px;
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-subtle);
}

.conteudos-empty-state h3 {
  font-size: 1.25rem;
  color: var(--color-text-main);
  margin-bottom: 8px;
  font-weight: var(--fw-bold);
}

.conteudos-empty-state p {
  color: var(--color-text-body);
  margin-bottom: 24px;
  font-size: 0.9375rem;
}

/* Botão "Ver todos os conteúdos" na Home e Estado Vazio */
.conteudos-home-action {
  text-align: center;
  margin-top: 48px;
}

.btn-conteudos-all {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-family-primary);
  font-size: 0.9375rem;
  font-weight: var(--fw-bold);
  color: var(--color-primary-deep);
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(6, 24, 36, 0.04);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-conteudos-all:hover {
  color: #FFFFFF;
  background-color: var(--color-primary-deep);
  border-color: var(--color-primary-deep);
  box-shadow: 0 4px 14px rgba(0, 102, 152, 0.25);
  transform: translateY(-2px);
}

.btn-conteudos-all svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.btn-conteudos-all:hover svg {
  transform: translateX(4px);
}

/* ==========================================================================
   4. PÁGINA INDIVIDUAL DO ARTIGO (LAYOUT EDITORIAL NATIVO USSIX)
   ========================================================================== */
.article-single-wrapper {
  padding: 48px 0 80px;
  background-color: #FFFFFF;
}

/* Breadcrumb */
.article-breadcrumb-nav {
  margin-bottom: 28px;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  list-style: none;
  padding: 0;
  margin: 0;
}

.article-breadcrumb li a {
  color: var(--color-text-body);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.article-breadcrumb li a:hover {
  color: var(--color-primary-electric);
}

.article-breadcrumb-separator {
  color: #CBD5E1;
  user-select: none;
}

.article-breadcrumb-current {
  color: var(--color-primary-deep);
  font-weight: var(--fw-semibold);
  max-width: 380px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Cabeçalho do Artigo */
.article-single-header {
  max-width: 820px;
  margin: 0 auto 36px;
  text-align: left;
}

.article-single-header .conteudo-category {
  margin-bottom: 16px;
  display: inline-block;
}

.article-single-title {
  font-size: clamp(2rem, 3.8vw, 2.625rem);
  font-weight: var(--fw-extrabold);
  line-height: 1.2;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.article-single-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 20px;
}

.article-single-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-author-name {
  color: var(--color-text-main);
  font-weight: var(--fw-bold);
}

/* Imagem Destacada */
.article-single-hero-media {
  max-width: 820px;
  margin: 0 auto 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(6, 24, 36, 0.06);
  border: 1px solid var(--border-subtle);
  background-color: #F1F5F9;
}

.article-single-hero-media img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

/* Corpo Editorial do Texto */
.article-single-body {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1.125rem;
  line-height: 1.78;
  color: var(--color-text-body);
}

.article-single-body p {
  margin-bottom: 22px;
}

.article-single-body h2 {
  font-size: 1.625rem;
  font-weight: var(--fw-extrabold);
  color: var(--color-text-main);
  letter-spacing: -0.015em;
  margin: 40px 0 16px;
  line-height: 1.25;
}

.article-single-body h3 {
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  color: var(--color-text-main);
  margin: 32px 0 14px;
  line-height: 1.3;
}

.article-single-body ul,
.article-single-body ol {
  margin: 0 0 24px 24px;
  padding: 0;
}

.article-single-body li {
  margin-bottom: 10px;
  line-height: 1.7;
}

.article-single-body a {
  color: var(--color-primary-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: var(--fw-semibold);
  transition: color var(--transition-fast);
}

.article-single-body a:hover {
  color: var(--color-primary-electric);
}

.article-single-body blockquote {
  margin: 32px 0;
  padding: 18px 24px;
  background-color: var(--color-ice-soft);
  border-left: 4px solid var(--color-primary-deep);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1.0625rem;
  color: var(--color-text-main);
  font-style: italic;
}

.article-single-body code {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.875em;
  padding: 2px 6px;
  background-color: #F1F5F9;
  border-radius: var(--radius-xs);
  color: var(--color-primary-deep);
}

.article-single-body pre {
  background-color: var(--bg-dark-navy);
  color: #E6F1F2;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 24px 0;
  font-family: 'Consolas', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
}

.article-single-body pre code {
  background-color: transparent;
  padding: 0;
  color: inherit;
}

/* CTA Integrado do Artigo */
.article-cta-box {
  max-width: 760px;
  margin: 56px auto 0;
  background: linear-gradient(135deg, #061824 0%, #0A263A 100%);
  border-radius: var(--radius-lg);
  padding: 36px;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  box-shadow: 0 8px 24px rgba(6, 24, 36, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.article-cta-content h3 {
  font-size: 1.375rem;
  font-weight: var(--fw-extrabold);
  color: #FFFFFF;
  margin-bottom: 8px;
}

.article-cta-content p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.article-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  font-family: var(--font-family-primary);
  font-size: 0.9375rem;
  font-weight: var(--fw-bold);
  color: #FFFFFF;
  background-color: var(--color-primary-electric);
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 155, 230, 0.35);
  transition: all var(--transition-fast);
}

.article-cta-btn:hover {
  background-color: var(--color-primary-deep);
  transform: translateY(-2px);
}

/* Seção de Artigos Relacionados */
.article-related-section {
  padding: 64px 0 80px;
  background-color: var(--bg-surface-subtle);
  border-top: 1px solid var(--border-subtle);
}

.article-related-header {
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.article-related-title {
  font-size: 1.5rem;
  font-weight: var(--fw-extrabold);
  color: var(--color-text-main);
}

.article-related-link {
  font-size: 0.9375rem;
  font-weight: var(--fw-bold);
  color: var(--color-primary-deep);
  text-decoration: none;
}

.article-related-link:hover {
  color: var(--color-primary-electric);
}

/* ==========================================================================
   5. RESPONSIVIDADE (1024px, 768px, 430px, 390px, 360px)
   ========================================================================== */
@media (max-width: 1024px) {
  .conteudos-filter-wrapper {
    top: 74px;
  }
}

@media (max-width: 768px) {
  .conteudos-hero {
    padding: 48px 0 36px;
  }

  .conteudos-hero-title {
    font-size: 2.125rem;
  }

  .conteudos-filter-wrapper {
    top: 68px;
    padding: 10px 0;
  }

  .conteudos-filter-container {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .conteudos-count-info {
    font-size: 0.8125rem;
  }

  .article-single-wrapper {
    padding: 32px 0 56px;
  }

  .article-single-title {
    font-size: 1.875rem;
  }

  .article-single-body {
    font-size: 1.0625rem;
    line-height: 1.7;
  }

  .article-cta-box {
    flex-direction: column;
    text-align: center;
    padding: 28px 20px;
  }

  .article-cta-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 430px) {
  .conteudos-hero-title {
    font-size: 1.75rem;
  }

  .conteudos-filter-btn {
    padding: 6px 14px;
    font-size: 0.8125rem;
  }
}