/* Section type "feed" — the newest posts as compact cards with an image,
   a date line and the title; a link to the blog beneath. */

.rtsb-section {
  max-width: 1200px;
  margin: 3.5rem auto;
  padding: 0 1.5rem;
}

.rtsb-section__heading {
  margin: 0 0 1.5rem;
  font-family: var(--page-display, var(--font-display));
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.15;
  text-align: center;
  color: var(--page-ink, var(--text-primary));
}

.rtsb-section--empty .rtsb-section__placeholder {
  margin: 0;
  padding: 1.25rem;
  border: 1px dashed var(--page-rule, var(--gray-200));
  border-radius: var(--border-radius);
  text-align: center;
  color: var(--page-muted, var(--text-secondary));
}

.rtsb-feed {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.rtsb-feed__item {
  margin: 0;
}

.rtsb-feed__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.rtsb-feed__media {
  aspect-ratio: 16 / 10;
  margin-bottom: 0.9rem;
  overflow: hidden;
  border-radius: var(--border-radius);
  background: color-mix(in srgb, var(--page-accent, var(--accent-color)) 7%, var(--page-paper, var(--white)));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--page-ink, var(--text-primary)) 8%, transparent);
}

.rtsb-feed__media img,
.rtsb-feed__media-empty {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

/* No featured image: the title's initial as a monogram, like the blog cards
   (style.css, data-initial), instead of an empty tinted slab. */
.rtsb-feed__media-empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

.rtsb-feed__media-empty::before {
  content: attr(data-initial);
  font-family: var(--page-display, var(--font-display));
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--page-ink, var(--text-primary));
  opacity: 0.18;
  transition: opacity 0.3s ease, transform 0.6s ease;
}

.rtsb-feed__link:hover .rtsb-feed__media-empty::before {
  opacity: 0.32;
  transform: scale(1.04);
}

.rtsb-feed__link:hover .rtsb-feed__media img {
  transform: scale(1.04);
}

.rtsb-feed__date {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--page-muted, var(--text-secondary));
}

.rtsb-feed__title {
  margin: 0.35rem 0 0.5rem;
  font-family: var(--page-display, var(--font-display));
  font-size: 1.3rem;
  line-height: 1.25;
  color: var(--page-ink, var(--text-primary));
}

.rtsb-feed__link:hover .rtsb-feed__title {
  color: var(--page-accent, var(--accent-color));
}

.rtsb-feed__excerpt {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--page-muted, var(--text-secondary));
}

.rtsb-feed__more {
  margin: 1.5rem 0 0;
  text-align: center;
}

.rtsb-feed__more a {
  font-family: var(--page-display, var(--font-display));
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--page-accent, var(--accent-color));
  text-decoration: none;
}

.rtsb-feed__more a:hover {
  text-decoration: underline;
}