.glossary-hero {
  position: relative;
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-sky-top), var(--color-sky-bottom));
  color: var(--color-ink);
}

.glossary-hero::before,
.glossary-hero::after {
  position: absolute;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  content: "";
  pointer-events: none;
}

.glossary-hero::before {
  top: var(--space-7);
  right: 8%;
  width: 168px;
  height: 38px;
}

.glossary-hero::after {
  top: var(--space-9);
  right: 18%;
  width: 92px;
  height: 24px;
}

.glossary-hero__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: var(--space-8);
}

.glossary-hero__copy {
  max-width: var(--reading-width);
}

.glossary-hero__copy h1 {
  max-width: 680px;
  color: var(--color-brand-deep);
  font-size: clamp(34px, 4vw, 48px);
}

.glossary-hero__lede {
  max-width: 680px;
  color: var(--color-ink-muted);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.75;
}

.glossary-hero__copy .chip-row {
  margin-top: var(--space-5);
}

.glossary-hero__map {
  padding: var(--space-6);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
}

.concept-map {
  display: grid;
  justify-items: center;
  padding: var(--space-4);
}

.concept-map__item {
  width: min(100%, 260px);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  text-align: center;
}

.concept-map__item span {
  display: block;
  font-weight: 750;
}

.concept-map__item small {
  display: block;
  margin-top: var(--space-1);
}

.concept-map__item--source {
  border: 1px solid var(--color-line);
  background: var(--color-surface-muted);
}

.concept-map__item--core {
  background: var(--color-brand);
  color: var(--color-surface);
}

.concept-map__item--core small {
  color: var(--color-surface);
}

.concept-map__line {
  width: 3px;
  height: var(--space-6);
  background: var(--color-brand-soft);
}

.concept-map__branches {
  position: relative;
  width: 72%;
  height: var(--space-7);
  border-top: 2px solid var(--color-success);
}

.concept-map__branches::before {
  position: absolute;
  top: calc(var(--space-5) * -1);
  left: 50%;
  width: 2px;
  height: var(--space-5);
  background: var(--color-success);
  content: "";
}

.concept-map__branches span {
  position: absolute;
  top: 0;
  width: 2px;
  height: var(--space-5);
  background: var(--color-success);
}

.concept-map__branches span:nth-child(1) {
  left: 0;
}

.concept-map__branches span:nth-child(2) {
  left: 50%;
}

.concept-map__branches span:nth-child(3) {
  right: 0;
}

.concept-map__outputs {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.concept-map__outputs span {
  min-height: 58px;
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-success);
  color: var(--color-surface);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.glossary-toc {
  margin-bottom: var(--space-7);
}

.category-notes {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  gap: var(--space-5);
}

.category-note {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-brand-wash);
}

.category-note:nth-child(2) {
  background: var(--color-success-light);
}

.category-note:nth-child(3) {
  background: var(--color-orange-light);
}

.category-note__mark {
  display: inline-flex;
  margin-bottom: var(--space-5);
  color: var(--color-brand-deep);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.category-note:nth-child(2) .category-note__mark {
  color: var(--color-success-deep);
}

.category-note:nth-child(3) .category-note__mark {
  color: var(--color-warning-deep);
}

.category-note h3 {
  font-size: 22px;
}

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

.glossary-section {
  scroll-margin-top: var(--header-height);
}

.glossary-category-head {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(300px, 1.2fr);
  align-items: end;
  gap: var(--space-7);
  margin-bottom: var(--space-7);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-line);
}

.glossary-category-head h2 {
  margin-bottom: 0;
}

.glossary-category-head > p {
  max-width: 680px;
  margin: 0;
  color: var(--color-ink-muted);
}

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.glossary-card {
  scroll-margin-top: calc(var(--header-height) + var(--space-4));
}

.glossary-card dt {
  overflow-wrap: anywhere;
}

.glossary-card dd p {
  margin-bottom: var(--space-3);
}

.glossary-card dd p:last-child {
  margin-bottom: 0;
}

.reading-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-7);
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--radius-lg);
  background: var(--color-brand-wash);
}

.reading-guide h2 {
  color: var(--color-brand-deep);
}

.reading-guide p:last-child {
  margin-bottom: 0;
  color: var(--color-ink-muted);
}

.reading-guide__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-3);
}

@media (max-width: 980px) {
  .glossary-hero__layout {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .glossary-hero__map {
    max-width: 620px;
    width: 100%;
  }

  .category-notes {
    grid-template-columns: 1fr 1fr;
  }

  .category-note:first-child {
    grid-column: 1 / -1;
  }

  .reading-guide {
    grid-template-columns: 1fr;
  }

  .reading-guide__actions {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .glossary-hero {
    padding-top: var(--space-7);
    padding-bottom: var(--space-7);
  }

  .glossary-hero__copy h1 {
    font-size: clamp(26px, 7vw, 30px);
  }

  .glossary-hero__lede {
    font-size: 16px;
  }

  .glossary-hero::before {
    right: -10%;
  }

  .glossary-hero::after {
    display: none;
  }

  .category-notes,
  .glossary-grid {
    grid-template-columns: 1fr;
  }

  .category-note:first-child {
    grid-column: auto;
  }

  .glossary-category-head {
    grid-template-columns: 1fr;
    align-items: start;
    gap: var(--space-3);
  }
}

@media (max-width: 520px) {
  .glossary-hero__map {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }

  .concept-map {
    padding: 0;
  }

  .concept-map__branches {
    width: 82%;
  }

  .concept-map__outputs {
    gap: var(--space-1);
  }

  .concept-map__outputs span {
    display: flex;
    min-height: 64px;
    align-items: center;
    justify-content: center;
    padding-inline: var(--space-1);
    font-size: 12px;
    line-height: 1.35;
  }

  .reading-guide {
    padding: var(--space-5);
  }

  .reading-guide__actions {
    display: grid;
    grid-template-columns: 1fr;
  }
}