.llm-concept-index,
.llm-concept {
  max-width: 980px;
  margin: 0 auto;
  color: var(--color-text);
}

.llm-concept-index__intro,
.llm-concept__intro {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.llm-concept-index__eyebrow,
.llm-concept__eyebrow,
.llm-concept__meta-label {
  margin: 0;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.llm-concept-index__lead,
.llm-concept__lead {
  margin: 0;
  font-size: clamp(1.2rem, 2.2vw, 1.75rem);
  line-height: 1.45;
  color: var(--color-heading);
}

.llm-concept-index__copy,
.llm-concept__copy {
  margin: 0;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.llm-concept-index__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.llm-concept-index__card {
  display: grid;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
}

.llm-concept-index__figure {
  display: block;
  border-bottom: 1px solid var(--color-border);
  background: white;
}

.llm-concept-index__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.llm-concept-index__body {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
}

.llm-concept-index__title {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.25;
}

.llm-concept-index__title a {
  color: var(--color-heading);
  text-decoration: none;
}

.llm-concept-index__title a:hover,
.llm-concept-index__title a:focus {
  color: var(--color-link-hover);
  text-decoration: none;
}

.llm-concept-index__summary {
  margin: 0;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.llm-concept-index__actions,
.llm-concept__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.llm-concept-index__link,
.llm-concept__link,
.llm-concept__related-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.1rem;
  padding: 0.42rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-heading);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease;
}

.llm-concept-index__link:hover,
.llm-concept-index__link:focus,
.llm-concept__link:hover,
.llm-concept__link:focus,
.llm-concept__related-link:hover,
.llm-concept__related-link:focus {
  color: var(--color-link-hover);
  border-color: var(--color-link);
  background: var(--color-elevated);
  text-decoration: none;
}

.llm-concept__figure {
  display: grid;
  gap: 0.8rem;
  margin: 0 0 1.5rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
}

.llm-concept__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  background: white;
}

.llm-concept__caption {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.llm-concept__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0 0 1.5rem;
}

.llm-concept__meta-item {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
}

.llm-concept__meta-value {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--color-heading);
}

.llm-concept__section {
  display: grid;
  gap: 0.75rem;
  margin: 0 0 1.6rem;
}

.llm-concept__section h2 {
  margin: 0;
  font-size: 1.2rem;
}

.llm-concept__section p,
.llm-concept__section ul {
  margin: 0;
  line-height: 1.7;
}

.llm-concept__section ul {
  padding-left: 1.15rem;
}

.llm-concept__related {
  display: grid;
  gap: 0.8rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.llm-concept__related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

@media (max-width: 760px) {
  .llm-concept-index__grid,
  .llm-concept__meta {
    grid-template-columns: 1fr;
  }
}