.shelf-intro {
  background: var(--accent-dark);
  color: var(--on-dark);
}
.shelf-intro-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  align-items: center;
  gap: 64px;
}
.shelf-intro h1 {
  margin-top: 20px;
  color: var(--on-dark);
}
.shelf-lede {
  max-width: 600px;
  margin-bottom: 0;
  color: var(--on-dark-muted);
  font-size: var(--fs-intro);
}
.shelf-intro a:focus-visible {
  outline-color: var(--sun);
}
.shelf-route {
  padding: 28px;
  border: 1px solid var(--on-dark-line-strong);
  border-radius: var(--r-lg);
  background: var(--on-dark-fill);
  color: var(--on-dark);
}
.shelf-route-label {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: var(--sun);
  color: var(--text);
  font-size: var(--fs-small);
  font-weight: var(--weight-bold);
}
.shelf-route ol {
  margin: 22px 0 0;
  padding-inline-start: 24px;
}
.shelf-route li {
  padding-inline-start: 8px;
}
.shelf-route li + li {
  margin-top: 18px;
}
.shelf-route li::marker {
  color: var(--sun);
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
}
.shelf-route strong,
.shelf-route li span {
  display: block;
}
.shelf-route li span {
  margin-top: 4px;
  color: var(--on-dark-muted);
  font-size: var(--fs-ui);
}
.shelf-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 28px;
}
.shelf-heading h2 {
  margin-top: 12px;
  margin-bottom: 0;
}
.shelf-heading > p {
  max-width: 340px;
  margin-bottom: 0;
  font-size: var(--fs-ui);
}
.shelf-tabs > [role="tablist"] {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.shelf-platform-note {
  max-width: 940px;
  margin-bottom: 28px;
  color: var(--text-muted);
  line-height: 1.85;
}
.shelf-card-grid {
  align-items: stretch;
}
.shelf-card-grid .client-head {
  align-items: center;
}
.shelf-card-grid .client-head h3 {
  flex: 1 1 145px;
  overflow-wrap: anywhere;
}
.shelf-card-grid .client-head .badge-label {
  margin-left: 0;
}
.shelf-card-grid .client-card .cta {
  flex-direction: column;
  align-items: stretch;
  padding-top: 4px;
}
.shelf-card-grid .client-card .cta .btn {
  width: 100%;
  min-height: 50px;
  padding-inline: 16px;
}
.shelf-card-grid .client-card > p {
  line-height: 1.85;
}
.shelf-requirements {
  margin-top: 36px;
}
.shelf-requirements > p {
  max-width: 1000px;
  margin-top: 20px;
  margin-bottom: 0;
  font-size: var(--fs-ui);
  line-height: 1.9;
}
.shelf-core-table .btn {
  min-width: 210px;
  font-size: var(--fs-ui);
}
@media (max-width: 1000px) {
  .shelf-intro-layout {
    gap: 32px;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }
}
@media (max-width: 768px) {
  .shelf-intro-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .shelf-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .shelf-heading > p {
    max-width: 100%;
  }
}
@media (max-width: 640px) {
  .shelf-route {
    padding: 20px;
  }
  .shelf-lede {
    font-size: var(--fs-body);
  }
  .shelf-tabs > [role="tablist"] {
    gap: 8px;
  }
  .shelf-tabs > [role="tablist"] > [role="tab"] {
    flex: 1 1 100px;
    padding-inline: 12px;
  }
}