/* ==========================================================================
   A ARTE DO REPARO - ESTILOS DO BLOG & ARTIGOS TÉCNICOS
   ========================================================================== */

/* Breadcrumbs */
.blog-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.blog-breadcrumbs a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.blog-breadcrumbs a:hover {
  text-decoration: underline;
}

.blog-breadcrumbs span.separator {
  color: var(--border-highlight);
}

/* Header do Hub do Blog */
.blog-hub-header {
  padding: 5rem 0 3rem 0;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(2, 132, 199, 0.12), transparent 70%);
}

.blog-hub-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.blog-hub-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Grid de Artigos */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
  box-shadow: 0 12px 30px rgba(2, 132, 199, 0.2);
}

.blog-card-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.5rem 0.5rem 1.5rem;
}

.blog-card-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.12);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
}

.blog-card-reading-time {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.blog-card-content {
  padding: 0 1.5rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin: 0.75rem 0;
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card-title {
  color: var(--accent-cyan);
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.blog-card-link-text {
  color: var(--accent-cyan);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Estrutura de Página de Artigo Individual */
.article-header {
  padding: 4rem 0 2rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2.5rem;
}

.article-category-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.12);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.article-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.article-author {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  color: var(--text-primary);
}

.article-author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #ffffff;
}

/* Corpo do Artigo */
.article-body {
  max-width: 820px;
  margin: 0 auto 4rem auto;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.article-body p {
  margin-bottom: 1.6rem;
}

.article-body h2 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 2.5rem 0 1.25rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.article-body h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin: 2rem 0 0.85rem 0;
}

.article-body ul,
.article-body ol {
  margin: 1rem 0 1.75rem 1.5rem;
  color: var(--text-secondary);
}

.article-body li {
  margin-bottom: 0.65rem;
  line-height: 1.7;
}

.article-body strong {
  color: var(--text-primary);
  font-weight: 700;
}

/* Caixas de Alerta e Destaque Técnico */
.article-alert-box {
  background: #f0f9ff;
  border-left: 4px solid var(--accent-primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0;
  border-top: 1px solid #e0f2fe;
  border-right: 1px solid #e0f2fe;
  border-bottom: 1px solid #e0f2fe;
}

.article-alert-box.warning {
  background: #fffbeb;
  border-left-color: #d97706;
  border-top-color: #fef3c7;
  border-right-color: #fef3c7;
  border-bottom-color: #fef3c7;
}

.article-alert-box h4,
.article-alert-box h3,
.article-alert-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.article-alert-box p {
  margin-bottom: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Bloco CTA Final do Artigo */
.article-cta-box {
  background: #ffffff;
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  margin: 3.5rem 0 2rem 0;
  box-shadow: var(--shadow-md);
}

.article-cta-box h3,
.article-cta-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.article-cta-box p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 580px;
  margin: 0 auto 1.5rem auto;
}

.article-share-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .article-title {
    font-size: 1.75rem;
  }
  .article-body h2 {
    font-size: 1.4rem;
  }
  .article-body h3 {
    font-size: 1.15rem;
  }
  .article-alert-box {
    padding: 1rem 1.15rem;
  }
  .article-cta-box {
    padding: 1.75rem 1.15rem;
  }
}