.article-header {
  padding: 46px 0 30px;
  background: var(--white);
}

.article-header h1 {
  max-width: 850px;
  margin: 0 0 16px;
  color: var(--navy);
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.3;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.article-meta span {
  padding: 6px 10px;
  background: #f3ddc8;
  border-radius: 999px;
  font-size: .9rem;
}

.article-layout {
  display: grid;
  gap: 28px;
  padding: 40px 0 64px;
}

.article-body,
.toc {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.article-body {
  padding: clamp(22px, 5vw, 48px);
}

.article-lead {
  margin-top: 0;
  font-size: 1.08rem;
}

.article-body figure {
  margin: 2em 0;
}

.article-body figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.6;
}

.article-body h2 {
  margin-top: 2.2em;
  color: var(--orange);
  line-height: 1.4;
}

.article-body h3 {
  margin-top: 1.8em;
  color: var(--green);
  line-height: 1.5;
}

.toc {
  padding: 20px;
}

.toc h2 {
  margin-top: 0;
  font-size: 1.15rem;
}

table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

th, td {
  padding: 10px 12px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th { background: #f3ede4; }

@media (max-width: 699px) {
  .article-header h1 {
    font-size: 1.55rem;
  }

  .article-body h2 {
    font-size: 1.3rem;
  }

  .article-body h3 {
    font-size: 1.05rem;
  }
}

@media (min-width: 960px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }

  .toc {
    position: sticky;
    top: 20px;
    grid-column: 2;
    grid-row: 1;
  }

  .article-body {
    grid-column: 1;
    grid-row: 1;
  }
}