.knowledge-layout {
  padding-bottom: 70px;
}

.knowledge-hero {
  max-width: 1040px;
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 34px;
}

.kb-card {
  display: grid;
  gap: 16px;
  min-height: 256px;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 18px;
}

.kb-card.featured {
  grid-column: span 2;
  border-color: var(--blue);
  background: linear-gradient(135deg, rgba(0, 0, 219, 0.18), rgba(21, 21, 21, 0.96));
}

.kb-card span {
  color: var(--blue-soft);
  font-weight: 800;
}

.kb-card h2 {
  margin: 0;
  font-size: 30px;
  line-height: 1;
  text-transform: lowercase;
}

.kb-card p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.5;
}

.kb-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
  color: var(--text);
}

.kb-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.kb-links a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  border: 1px solid var(--line);
  color: var(--text);
  padding: 0 12px;
  text-decoration: none;
}

.kb-links a:hover {
  border-color: var(--blue);
  color: var(--blue-soft);
}

.glossary {
  border-top: 1px solid var(--line);
}

.glossary-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.glossary-list div {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px;
}

.glossary-list strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.glossary-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

@media (max-width: 920px) {
  .knowledge-grid,
  .glossary-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .knowledge-grid,
  .glossary-list {
    grid-template-columns: 1fr;
  }

  .kb-card.featured {
    grid-column: auto;
  }
}