.article-hero { padding: 10px 0 38px; }

.article-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(460px, 1.08fr);
  gap: 32px;
  align-items: center;
}

.article-hero-copy h1 {
  margin: 14px 0 18px;
  color: var(--site-page-text, var(--stp-text));
  font-size: 62px;
  font-weight: 900;
  line-height: 1.02;
}

.article-hero-copy > p {
  max-width: 690px;
  margin: 0;
  color: var(--site-page-muted, var(--stp-muted));
  font-size: 19px;
  line-height: 1.6;
}

.article-hero-media {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--site-page-line, var(--stp-line));
  border-radius: 7px;
  background: var(--site-page-surface, var(--stp-surface));
}

.article-hero-media img { width: 100%; height: 470px; object-fit: cover; }
.article-hero-media figcaption { padding: 10px 14px; color: var(--site-page-muted, var(--stp-muted)); font-size: 13px; }

.article-content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 34px;
  align-items: start;
}

.article-content { display: grid; gap: 34px; }

.article-content section {
  padding: 28px;
  border: 1px solid var(--site-page-line, var(--stp-line));
  border-radius: 7px;
  background: var(--site-page-surface, var(--stp-surface));
}

.article-content h2 { margin: 12px 0 14px; color: var(--site-page-text, var(--stp-text)); font-size: clamp(28px, 3vw, 42px); line-height: 1.1; }
.article-content p { margin: 0 0 14px; color: var(--site-page-muted, var(--stp-muted)); font-size: 17px; line-height: 1.65; }
.article-content p:last-child { margin-bottom: 0; }

.article-callout {
  padding: 24px 28px;
  border-left: 4px solid var(--stp-brick);
  border-radius: 4px 7px 7px 4px;
  background: var(--site-page-soft, var(--stp-soft));
}

.article-callout strong { color: var(--site-page-text, var(--stp-text)); font-size: 20px; }
.article-callout p { margin: 8px 0 0; }

.article-feature-layout { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 24px; align-items: start; }
.article-feature-layout img { width: 100%; height: 280px; object-fit: cover; border-radius: 5px; background: var(--site-page-soft, var(--stp-soft)); }

.article-side {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 6px;
  padding: 20px;
  border: 1px solid var(--site-page-line, var(--stp-line));
  border-radius: 7px;
  background: var(--site-page-surface, var(--stp-surface));
}

.article-side strong { margin-bottom: 6px; color: var(--site-page-text, var(--stp-text)); font-size: 18px; }
.article-side a { padding: 11px 10px; border-radius: 4px; color: var(--site-page-text, var(--stp-text)); font-weight: 750; text-decoration: none; }
.article-side a:hover, .article-side a:focus-visible { background: var(--site-page-soft, var(--stp-soft)); color: var(--stp-brick); }

@media (max-width: 1000px) {
  .article-hero-grid { grid-template-columns: 1fr 1fr; }
  .article-hero-copy h1 { font-size: 52px; }
  .article-content-grid { grid-template-columns: minmax(0, 1fr) 240px; }
  .article-feature-layout { grid-template-columns: 240px minmax(0, 1fr); }
}

@media (max-width: 780px) {
  .article-hero { padding-top: 0; }
  .article-hero-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .article-hero-copy,
  .article-hero-media { min-width: 0; }
  .article-hero-copy h1 { font-size: 40px; }
  .article-hero-copy > p { font-size: 17px; }
  .article-hero-media img { height: 280px; }
  .article-content-grid { grid-template-columns: 1fr; }
  .article-side { position: static; }
  .article-feature-layout { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .article-hero-copy h1 { font-size: 30px; overflow-wrap: break-word; }
  .article-content section { padding: 20px; }
  .article-content p { font-size: 16px; }
}