/* === ARTICLE HERO === */
.article-hero {
  background: var(--navy-deep);
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
}
.article-hero-media {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 45%;
  overflow: hidden;
}
.article-hero-media::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 40%;
  background: linear-gradient(to right, var(--navy-deep), transparent);
  z-index: 1;
}
.article-hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.article-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  padding: 3rem clamp(1.5rem, 4vw, 3rem) 3rem;
}
.article-hero-title {
  font-family: var(--heading);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--off-white);
  max-width: 580px;
}
@media (max-width: 900px) {
  .article-hero { min-height: 320px; }
  .article-hero-media { width: 40%; opacity: 0.5; }
}
@media (max-width: 640px) {
  .article-hero { min-height: 260px; }
  .article-hero-media { width: 100%; opacity: 0.2; }
}

/* === BREADCRUMB === */
.article-breadcrumb {
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted);
  padding: 1rem clamp(1.5rem, 4vw, 3rem);
  max-width: 1100px;
  margin: 0 auto;
}
.article-breadcrumb a { color: var(--text-secondary); text-decoration: none; }
.article-breadcrumb a:hover { color: var(--navy); }
.article-breadcrumb span { margin: 0 0.5rem; font-size: 0.6rem; }

/* === ARTICLE WRAPPER === */
.article-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem clamp(1.5rem, 4vw, 3rem) 0;
}
.article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-solid);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1.25rem;
}
.article-type {
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--navy);
  background: var(--accent-light);
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
}
.article-date { font-size: 0.85rem; color: var(--text-muted); }
.article-authors { font-size: 0.85rem; color: var(--text-secondary); }
.article-authors a { color: var(--navy); text-decoration: none; }
.article-authors a:hover { text-decoration: underline; }
.article-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.article-tags a {
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background: rgba(26, 34, 51, 0.04);
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.article-tags a:hover { background: var(--accent-light); color: var(--navy); }

/* === TWO COLUMN === */
.article-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 900px) {
  .article-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* === BODY === */
.article-body { max-width: 720px; }
.article-body p {
  font-size: 1.05rem; line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}
.article-body h2 {
  font-family: var(--heading);
  font-size: 1.5rem; font-weight: 300;
  color: var(--text-primary);
  margin-top: 2.5rem; margin-bottom: 1rem;
  line-height: 1.3;
}
.article-body h3 {
  font-family: var(--sans);
  font-size: 1.1rem; font-weight: 600;
  color: var(--text-primary);
  margin-top: 2rem; margin-bottom: 0.75rem;
}
.article-body strong { color: var(--text-primary); }
.article-body ul, .article-body ol {
  margin: 0 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1.05rem;
}
.article-body li { margin-bottom: 0.35rem; }
.article-body blockquote {
  border-left: 3px solid var(--navy);
  padding: 1rem 0 1rem 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
}
.article-body blockquote p {
  color: var(--text-primary);
  font-size: 1.1rem;
}
.article-body a { color: var(--navy); text-decoration: underline; }
.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1rem 0;
}
.article-body figure {
  max-width: 100%;
  margin: 1.5rem 0;
}
.article-body figure img { margin: 0; }
.article-body figcaption {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* === SIDEBAR === */
.article-sidebar { position: sticky; top: 100px; overflow: hidden; }
.article-sidebar img { max-width: 100%; height: auto; border-radius: 8px; }
.sidebar-section { margin-bottom: 2rem; }
.sidebar-label {
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.sidebar-toc a {
  display: block;
  padding: 0.4rem 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.sidebar-toc a:hover { color: var(--navy); }

/* === RELATED ARTICLES === */
.related-articles {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem clamp(1.5rem, 4vw, 3rem) 4rem;
  border-top: 1px solid var(--border-solid);
}
.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.related-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s;
}
.related-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-2px);
}
.related-card .related-date { font-size: 0.7rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.related-card h4 {
  font-family: var(--heading);
  font-size: 1rem; font-weight: 300;
  line-height: 1.3;
}
@media (max-width: 768px) {
  .related-grid { grid-template-columns: 1fr; }
}