.glossary-page {
  --blue: #0078d1;
  --blue-soft: #d8eefb;
  --blue-pale: #f4f8fc;
  --navy: #172b57;
  --text: #333333;
  --muted: #6f7785;
  --line: #e4e6ea;
  --white: #ffffff;
  --bg: #ffffff;
  --shadow: none;
  --radius-lg: 0;
  --radius-md: 0;
  color: var(--text);
  line-height: 2;
  padding-bottom: 80px;
}

.glossary-page *,
.glossary-page *::before,
.glossary-page *::after {
  box-sizing: border-box;
}

.glossary-page a {
  color: var(--navy);
  text-underline-offset: 3px;
}

.glossary-page img {
  max-width: 100%;
}

.glossary-page .container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.glossary-page .hero {
  padding: 48px 0 42px;
}

.glossary-page .hero__panel {
  padding: 0 0 0 24px;
  border-left: 6px solid var(--blue);
  background: transparent;
}

.glossary-page .hero__eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
}

.glossary-page h1,
.glossary-page h2,
.glossary-page h3,
.glossary-page strong,
.glossary-page b {
  font-weight: bold;
}

.glossary-page h1 {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.45;
  letter-spacing: .01em;
}

.glossary-page .hero__lead {
  max-width: 880px;
  margin: 0;
  font-size: 16px;
}

.glossary-page section {
  margin-top: 0;
  padding-top: 42px;
}

.glossary-page .section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.glossary-page .section-heading__mark {
  width: 5px;
  height: 30px;
  border-radius: 0;
  background: var(--blue);
}

.glossary-page .section-heading h2 {
  margin: 0;
  color: var(--navy);
  font-size: 26px;
  line-height: 1.4;
}

.glossary-page .section-lead {
  margin: 0 0 20px 17px;
  color: var(--muted);
}

.glossary-page .category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.glossary-page .category-card {
  display: flex;
  min-height: 290px;
  flex-direction: column;
  padding: 26px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
}

.glossary-page .category-card h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 22px;
  line-height: 1.45;
}

.glossary-page .category-card p {
  margin: 0 0 16px;
  color: var(--muted);
}

.glossary-page .term-preview {
  margin: auto 0 20px;
  padding: 14px 16px;
  border-radius: 0;
  background: #f7f8fa;
  font-size: 14px;
}

.glossary-page .term-preview strong {
  color: var(--navy);
}

.glossary-page .card-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 48px;
  padding: 11px 16px;
  border-radius: 2px;
  color: var(--white);
  background: var(--blue);
  font-weight: 800;
  text-decoration: none;
  transition: background-color 0.3s;
}

.glossary-page .card-link:hover {
  background: var(--navy);
  color: var(--white);
}

.glossary-page .index-panel,
.glossary-page .relation-panel,
.glossary-page .articles-panel {
  padding: 26px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
}

.glossary-page .index-groups {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.glossary-page .index-group {
  padding: 18px;
  border-radius: var(--radius-md);
  background: #f7f8fa;
}

.glossary-page .index-group h3 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 18px;
}

.glossary-page .index-group ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.glossary-page .index-group li + li {
  margin-top: 8px;
}

.glossary-page .index-group a {
  display: inline-block;
  padding: 1px 5px;
  margin-left: -5px;
  text-decoration: none;
  transition: background-color 0.3s;
}

.glossary-page .index-group a:hover {
  background: rgba(0, 120, 209, 0.12);
}

.glossary-page .relation-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.glossary-page .relation-tree {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.glossary-page .tree-node {
  padding: 16px 18px;
  border-left: 4px solid var(--blue);
  border-radius: 0;
  background: #f7f8fa;
}

.glossary-page .tree-node strong {
  color: var(--navy);
}

.glossary-page .tree-children {
  margin: 10px 0 0 18px;
  padding-left: 18px;
  border-left: 1px dashed #aeb9c9;
}

.glossary-page .tree-children div + div {
  margin-top: 6px;
}

.glossary-page .tree-children div {
  position: relative;
}

.glossary-page .tree-children div::before {
  position: absolute;
  top: 1em;
  right: calc(100% + 8px);
  width: 10px;
  border-top: 1px solid #aeb9c9;
  content: "";
}

.glossary-page .article-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.glossary-page .article-list a {
  display: block;
  height: 100%;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fafafa;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 0.3s, background-color 0.3s;
}

.glossary-page .article-list a:hover {
  border-color: var(--blue);
  background: var(--blue-pale);
}

@media (max-width: 820px) {
  .glossary-page .category-grid,
  .glossary-page .article-list {
    grid-template-columns: 1fr;
  }

  .glossary-page .index-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .glossary-page .hero__panel {
    padding: 0 0 0 18px;
  }

  .glossary-page .relation-tree {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .glossary-page .container {
    width: min(100% - 28px, 1120px);
  }

  .glossary-page .hero {
    padding-top: 24px;
  }

  .glossary-page .hero__panel,
  .glossary-page .index-panel,
  .glossary-page .relation-panel,
  .glossary-page .articles-panel,
  .glossary-page .category-card {
    padding: 22px;
  }

  .glossary-page .index-groups,
  .glossary-page .relation-tree {
    grid-template-columns: 1fr;
  }

  .glossary-page .section-heading h2 {
    font-size: 24px;
  }
}