.glossary-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.glossary-hero::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 48%;
  height: 100%;
  background: repeating-linear-gradient(90deg, var(--color-stripe) 0, var(--color-stripe) 1px, transparent 1px, transparent 14px);
  -webkit-mask-image: linear-gradient(90deg, transparent, var(--color-overlay), transparent);
  mask-image: linear-gradient(90deg, transparent, var(--color-overlay), transparent);
  content: "";
  pointer-events: none;
}

.glossary-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
  min-height: 570px;
  align-items: center;
  gap: 72px;
  padding-top: 76px;
  padding-bottom: 76px;
}

.glossary-intro {
  max-width: 700px;
}

.glossary-intro .lead {
  max-width: 660px;
  margin-bottom: 0;
}

.glossary-scope {
  position: relative;
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-card-glass);
  padding: 30px;
  box-shadow: var(--shadow-3);
}

.glossary-scope::before {
  position: absolute;
  top: 34px;
  bottom: 34px;
  left: 48px;
  border-left: 1px dashed var(--color-border);
  content: "";
  pointer-events: none;
}

.scope-stack {
  position: relative;
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.scope-stack li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 2px 14px;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  padding: 13px 15px;
  box-shadow: var(--shadow-1);
}

.scope-stack li span {
  position: relative;
  z-index: 1;
  display: grid;
  width: 30px;
  height: 30px;
  grid-row: 1 / 3;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
}

.scope-stack li strong {
  color: var(--color-text);
  font-size: 14px;
}

.scope-stack li small {
  color: var(--color-text-muted);
  font-size: 11px;
}

.glossary-toc {
  margin-bottom: 24px;
}

.reading-note {
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  padding: 18px 22px;
  box-shadow: var(--shadow-1);
}

.reading-note p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.reading-note strong {
  color: var(--color-text);
}

.glossary-category {
  scroll-margin-top: calc(var(--nav-height) + 18px);
}

.category-heading {
  display: grid;
  grid-template-columns: minmax(270px, 0.72fr) minmax(0, 1fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 42px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--color-border);
}

.category-heading h2 {
  margin-bottom: 0;
}

.category-heading > p {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.glossary-category .term-grid {
  align-items: stretch;
}

.glossary-category .term-card {
  scroll-margin-top: calc(var(--nav-height) + 20px);
}

.glossary-category .term-card dd {
  margin-bottom: 0;
}

.glossary-category .term-card:target {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-2);
}

.glossary-end-note {
  margin-top: 38px;
  margin-bottom: 0;
}

@media (max-width: 960px) {
  .glossary-hero-grid {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
    gap: 42px;
  }

  .glossary-scope {
    max-width: 680px;
  }

  .category-heading {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    align-items: start;
  }
}

@media (max-width: 640px) {
  .glossary-hero::before {
    width: 100%;
    opacity: 0.6;
  }

  .glossary-hero-grid {
    gap: 30px;
    padding-top: 50px;
    padding-bottom: 54px;
  }

  .glossary-scope {
    padding: 22px 18px;
  }

  .glossary-scope::before {
    left: 39px;
  }

  .scope-stack li {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 2px 10px;
    padding: 12px;
  }

  .scope-stack li span {
    width: 27px;
    height: 27px;
  }

  .category-heading {
    margin-bottom: 30px;
    padding-bottom: 20px;
  }

  .reading-note {
    padding: 17px 18px;
  }
}