/* ARC page only. Monochrome code blocks using site.css tokens. */
.case-study__block pre.code-block {
  margin: var(--space-4, 1rem) 0;
  padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
  background: var(--color-code-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.55;
  overflow-x: auto;
  max-width: 100%;
  white-space: pre;
  tab-size: 4;
}
.case-study__block pre.code-block code {
  font: inherit;
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
}
.case-study__block pre.code-block:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}
.case-study__block { min-width: 0; }

/* Technical detail: one native <details> under the main story. Closed by default; a hash link to an
   element inside it opens it (RouteEffects). The summary reads as a section rule with a +/- marker. */
.arc-technical {
  margin-top: var(--space-7);
  border-top: 1px solid var(--color-text);
}
.arc-technical > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: var(--tap);
  padding-block: var(--space-3);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.8vw, 1.625rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.arc-technical > summary::-webkit-details-marker { display: none; }
.arc-technical > summary::after {
  flex: none;
  font-family: var(--font-num);
  font-size: 1.25rem;
  font-weight: 400;
  content: "+";
  content: "+" / "";
}
.arc-technical[open] > summary::after {
  content: "\2212";
  content: "\2212" / "";
}
.arc-technical > summary:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
.arc-technical > summary:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.arc-technical > .case-study__block:first-of-type { margin-top: var(--space-4); }
.arc-technical > .case-study__block { margin-top: var(--space-6); }

/* Source note: the commit links sit inside a sentence, so they stay inline. */
.case-study__repo > p + p { margin-top: var(--space-1); }
.case-study__repo .commit-link { display: inline; min-height: 0; background-position: 0 calc(100% - 0.02em), 0 calc(100% - 0.02em); }

/* The data path figure sits directly above the first section title. */
.case-study > .figure + .section__title { margin-top: var(--space-6); }