/* Editorial layer: load only on homepage and articles. */
.hero {
  background: linear-gradient(132deg, var(--color-primary-light) 0%, var(--color-background) 68%);
  padding: clamp(2.25rem, 5vw, 4.5rem) 0;
  border-bottom: 1px solid var(--color-border);
  overflow: clip;
}
.hero > .container {
  display: grid;
  grid-template-columns: minmax(0, 1.13fr) minmax(300px, .87fr);
  gap: clamp(1.5rem, 3vw, 3.5rem);
  align-items: center;
}
.hero-content { min-width: 0; }
.hero-title {
  font-size: clamp(2rem, 3.6vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -.035em;
  max-width: 16ch;
  margin: 0 0 var(--spacing-lg);
  overflow-wrap: break-word;
}
.hero-subtitle {
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  max-width: 58ch;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}
.hero-cta .btn { min-height: 44px; white-space: normal; }
.hero-visual { min-width: 0; }
.hero-showcase {
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-xl);
}
.hero-showcase img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.hero-showcase-caption {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding: var(--spacing-md);
  background: var(--color-surface);
}
.hero-showcase-caption > span {
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  font-size: var(--font-size-sm);
}
.hero-showcase-caption > small {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xxs);
  line-height: var(--line-height-relaxed);
}
/* Article reading progress: no aria status announcements or layout shifts. */
.reading-progress {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  pointer-events: none;
  z-index: var(--z-fixed);
  background: transparent;
}
.reading-progress-bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--color-primary);
  will-change: transform;
}
.post-detail .post-header {
  background: var(--color-surface-dark);
  padding: clamp(1.5rem, 3vw, 3rem) 0;
}
.post-detail .post-header h1 {
  max-width: 22ch;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 1.22;
  letter-spacing: -.02em;
  overflow-wrap: anywhere;
}
.post-detail .post-dek {
  max-width: 70ch;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.post-detail .article-body {
  overflow-wrap: break-word;
  hyphens: auto;
  text-wrap: pretty;
}
.post-detail .article-body :is(h2, h3) {
  scroll-margin-top: 90px;
}
.post-detail .article-body a {
  text-underline-offset: .16em;
}
@media (max-width: 900px) {
  .hero > .container { grid-template-columns: 1fr; }
  .hero-title { max-width: 22ch; }
  .hero-visual { max-width: 680px; }
}
@media (max-width: 599px) {
  .hero { padding: var(--spacing-xl) 0; }
  .hero-cta .btn { flex: 1 1 calc(50% - var(--spacing-sm)); text-align: center; }
  .hero-showcase { border-radius: var(--radius-lg); }
}
@media (prefers-reduced-motion: reduce) {
  .reading-progress-bar { transition: none !important; }
}