.article-page .site-header {
  background: rgba(4, 8, 20, 0.72);
}

.article-hero {
  padding-top: 32px;
}

.article-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 500px);
  gap: 28px;
  align-items: center;
}

.article-hero-copy {
  max-width: 780px;
}

.article-title {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  text-wrap: balance;
}

.article-lead {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.24rem);
  line-height: 1.72;
  max-width: 64ch;
}

.article-tags {
  margin-top: 22px;
}

.article-meta {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.7;
}

.article-meta a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(118, 247, 216, 0.45);
  text-underline-offset: 0.22em;
}

.article-hero-media {
  padding: 18px;
}

.article-hero-media img {
  width: 100%;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
}

.article-shell {
  padding-top: 12px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.article-toc {
  position: sticky;
  top: 102px;
  padding: 20px;
  display: grid;
  gap: 10px;
}

.article-toc strong {
  font-size: 0.98rem;
  letter-spacing: -0.02em;
}

.article-toc a {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
  transition: color var(--transition), transform var(--transition);
}

.article-toc a:hover,
.article-toc a:focus-visible {
  color: var(--text);
  transform: translateX(4px);
}

.article-content {
  display: grid;
  gap: 22px;
}

.article-section {
  padding: clamp(22px, 3vw, 34px);
}

.article-section h2 {
  margin: 0;
  font-size: clamp(1.85rem, 3vw, 3rem);
  line-height: 1.04;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.article-section p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.78;
  max-width: 72ch;
}

.article-section code {
  font-family: ui-monospace, SFMono-Regular, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.94em;
  padding: 0.12em 0.38em;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  color: #dff8ff;
}

.article-code {
  margin: 20px 0 0;
  padding: 18px 20px;
  overflow-x: auto;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.07);
  background:
    linear-gradient(180deg, rgba(8, 14, 26, 0.96), rgba(4, 8, 16, 0.96)),
    radial-gradient(circle at top left, rgba(127, 184, 255, 0.12), transparent 34%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.article-code code {
  display: block;
  padding: 0;
  background: transparent;
  color: #dce9ff;
  font-size: 0.93rem;
  line-height: 1.72;
  white-space: pre;
}

.article-callout {
  margin-top: 18px;
  padding: 16px 18px;
  display: grid;
  gap: 8px;
  border-radius: 20px;
  border: 1px solid rgba(118,247,216,0.16);
  background: linear-gradient(135deg, rgba(118,247,216,0.09), rgba(127,184,255,0.06));
}

.article-callout strong {
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b8fff0;
}

.article-callout span {
  color: var(--text);
  line-height: 1.65;
}

.article-figure {
  margin: 20px 0 0;
}

.article-figure img,
.article-image-card img {
  width: 100%;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.07);
  background: rgba(255,255,255,0.03);
}

.article-figure figcaption,
.article-image-card figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.6;
}

.article-gallery {
  margin-top: 20px;
  display: grid;
  gap: 16px;
}

.article-gallery--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.article-image-card {
  margin: 0;
  padding: 14px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.03);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

@media (max-width: 1080px) {
  .article-hero-grid,
  .article-layout {
    grid-template-columns: minmax(0, 1fr);
  }

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

@media (max-width: 720px) {
  .article-hero {
    padding-top: 16px;
  }

  .article-hero-grid {
    gap: 18px;
  }

  .article-gallery--two {
    grid-template-columns: minmax(0, 1fr);
  }

  .article-section {
    padding: 20px;
  }

  .article-code {
    padding: 16px;
    border-radius: 18px;
  }

  .article-hero-media {
    padding: 12px;
  }
}