.cgo-overview,
.cgo-chapter {
  --cgo-ink: #18212b;
  --cgo-muted: #52606d;
  --cgo-line: #ccd6dc;
  --cgo-accent: #a33131;
  --cgo-teal: #115e59;
  color: var(--cgo-ink);
  background: #fff;
  border-top: 5px solid var(--cgo-accent);
  border-bottom: 1px solid var(--cgo-line);
  letter-spacing: 0;
}

.cgo-overview {
  display: grid;
  grid-template-columns: minmax(220px, 0.38fr) minmax(0, 1fr);
  margin: 1.5rem 0 0;
}

.cgo-overview-score,
.cgo-score-block {
  padding: clamp(1.25rem, 3vw, 2rem);
  background: #f5f8f7;
  border-right: 1px solid var(--cgo-line);
}

.cgo-overview-copy {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.cgo-kicker {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--cgo-teal);
  font-size: 0.86rem;
  font-weight: 850;
  text-transform: uppercase;
}

.cgo-kicker svg {
  width: 1.1rem;
  height: 1.1rem;
}

.cgo-overview h2,
.cgo-chapter h2 {
  margin-top: 0.5rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.5rem, 2.5vw, 2.15rem);
  font-weight: 700;
  line-height: 1.18;
}

.cgo-score {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-top: 0.6rem;
  color: var(--cgo-accent);
  font-variant-numeric: tabular-nums;
}

.cgo-score strong {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  line-height: 1;
}

.cgo-score span,
.cgo-components dd span {
  color: var(--cgo-muted);
  font-size: 0.92rem;
  font-weight: 750;
}

.cgo-label {
  margin-top: 0.35rem;
  color: var(--cgo-teal);
  font-size: 1rem;
  font-weight: 850;
}

.cgo-overview-copy p {
  color: var(--cgo-muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.cgo-overview-copy p + p {
  margin-top: 0.75rem;
}

.cgo-overview-copy strong {
  color: var(--cgo-ink);
}

.cgo-chapter {
  display: grid;
  grid-template-columns: minmax(215px, 0.32fr) minmax(0, 1fr);
  margin: 1rem 0 1.75rem;
}

.cgo-components {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cgo-components > div {
  min-width: 0;
  padding: 1.1rem 1.25rem;
  border-right: 1px solid var(--cgo-line);
  border-bottom: 1px solid var(--cgo-line);
}

.cgo-components > div:nth-child(2n) {
  border-right: 0;
}

.cgo-components dt {
  color: var(--cgo-muted);
  font-size: 0.85rem;
  font-weight: 850;
  text-transform: uppercase;
}

.cgo-components dd {
  margin-top: 0.3rem;
  color: var(--cgo-teal);
  font-size: 1.65rem;
  font-variant-numeric: tabular-nums;
  font-weight: 900;
}

.cgo-components small {
  display: block;
  margin-top: 0.25rem;
  color: var(--cgo-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.cgo-method {
  grid-column: 1 / -1;
  padding: 1rem 1.25rem;
}

.cgo-method summary {
  cursor: pointer;
  color: var(--cgo-teal);
  font-size: 1rem;
  font-weight: 850;
}

.cgo-method p,
.cgo-method li {
  color: var(--cgo-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.cgo-method p,
.cgo-method ul {
  margin-top: 0.7rem;
}

.cgo-method ul {
  padding-left: 1.25rem;
  list-style: disc;
}

.cgo-method .cgo-version {
  color: #6b7280;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
}

@media (max-width: 760px) {
  .cgo-overview,
  .cgo-chapter {
    grid-template-columns: 1fr;
  }

  .cgo-overview-score,
  .cgo-score-block {
    border-right: 0;
    border-bottom: 1px solid var(--cgo-line);
  }

  .cgo-components {
    grid-template-columns: 1fr;
  }

  .cgo-components > div,
  .cgo-components > div:nth-child(2n) {
    border-right: 0;
  }
}