.article-hero {
  padding-top: 2rem;
}

.article-cover {
  aspect-ratio: 16 / 8;
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 1rem;
  align-items: start;
}

.article-content {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.article-body {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 1.85rem 1.95rem;
  box-shadow: var(--shadow-card);
}

.article-body.prose {
  max-width: none;
}

.article-body p,
.article-body li {
  line-height: 1.78;
}

.article-body h2,
.article-body h3 {
  scroll-margin-top: 110px;
}

.article-body img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
}

/* tabelas responsivas */
.article-body .table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.25rem 0;
  border-radius: 14px;
}

.article-body .table-wrap table {
  margin: 0;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

.article-body th,
.article-body td {
  padding: 0.7rem 0.75rem;
  border-bottom: 1px solid var(--border-soft);
  text-align: left;
  vertical-align: top;
}

.article-body th {
  color: var(--heading);
  font-weight: 700;
}

.article-intro {
  font-size: 1.08rem;
  line-height: 1.8;
}

.article-highlight,
.author-box {
  background: var(--bg-highlight);
  border: 1px solid #ead7be;
  border-radius: 20px;
  padding: 1rem 1.1rem;
}

.article-highlight {
  margin: 1.4rem 0;
}

.author-box {
  margin-top: 2rem;
}

.article-sidebar {
  display: grid;
  gap: 1rem;
  align-self: start;
  position: sticky;
  top: 120px;
}

.article-sidebar .sidebar-card {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow-card);
}

.article-sidebar h3 {
  margin-top: 0;
  margin-bottom: 0.85rem;
}

.toc-list {
  display: grid;
  gap: 0.55rem;
}

.toc-list a {
  display: block;
  color: var(--text-secondary);
  line-height: 1.45;
}

.toc-list a:hover {
  color: var(--brand-primary);
}

.article-meta {
  margin-top: 0.75rem;
  margin-bottom: 1rem;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.article-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.75rem;
  border-radius: 999px;
  background: var(--bg-highlight);
  border: 1px solid #ead7be;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.article-related {
  margin-top: 2rem;
}

.article-related__grid {
  display: grid;
  gap: 1rem;
}

.article-related__grid .post-card {
  height: 100%;
}

@media (max-width: 1199px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) minmax(230px, 260px);
    gap: 1.5rem;
  }

  .article-body {
    padding: 1.55rem;
  }

  .article-sidebar {
    top: 104px;
  }
}

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-content {
    max-width: 100%;
  }

  .article-sidebar {
    position: static;
    top: auto;
  }
}

@media (max-width: 767px) {
  .article-hero {
    padding-top: 1.25rem;
  }

  .article-cover {
    aspect-ratio: 16 / 10;
    border-radius: 18px;
  }

  .article-body {
    padding: 1rem;
    border-radius: 18px;
  }

  .article-intro {
    font-size: 1rem;
  }

  .article-highlight,
  .author-box {
    border-radius: 16px;
    padding: 0.9rem 1rem;
  }

  .article-sidebar .sidebar-card {
    border-radius: 18px;
    padding: 1rem;
  }

  .article-body th,
  .article-body td {
    padding: 0.6rem 0.65rem;
    font-size: 0.92rem;
  }

  .article-body .table-wrap {
    margin: 1rem 0;
  }
}