/* Celvor Industrial — article pages stylesheet v1.3 (2026-10-06). */
.article-list { list-style: none; margin: 0; padding: 0; }
.article-list > li { border-top: 1px solid var(--ink); padding-top: 1.35rem; }
.article-list > li + li { margin-top: 3.25rem; }
.article-list h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); max-width: 30ch; }
.article-list h2 a { color: var(--ink); }
.article-list .dek { margin: 1.1rem 0 0; color: var(--grey-700); max-width: var(--measure); }
.article-list .byline { margin: 1.1rem 0 0; font-size: 0.85rem; color: var(--grey-500); }

.byline { color: var(--grey-500); }
.byline .sep { margin-inline: 0.7em; color: var(--grey-300); }
.byline time { color: var(--grey-500); }

.article-head h1 { font-size: clamp(1.9rem, 4.6vw, 3.1rem); max-width: 26ch; }
.article-head .dek {
  margin: 1.5rem 0 0;
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--grey-700);
  max-width: var(--measure);
}
.article-head .byline { margin: 2rem 0 0; font-size: 0.85rem; }

.toc { margin-top: 2.75rem; border-top: 1px solid var(--grey-100); padding-top: 1.4rem; }
.toc .eyebrow { margin-bottom: 1rem; }
.toc ol { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 2.5rem; }
.toc li { margin-bottom: 0.55rem; break-inside: avoid; }
.toc a { color: var(--grey-700); font-size: 0.95rem; }

.prose { max-width: var(--measure); font-size: 1.08rem; line-height: 1.72; }
.prose h2 {
  font-size: clamp(1.3rem, 2.8vw, 1.7rem);
  max-width: 28ch;
  margin: 3.25rem 0 1.2rem;
  scroll-margin-top: 7rem;
}
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--ink); max-width: none; }
.prose ul { margin: 0 0 1.5rem; padding-left: 1.15rem; color: var(--ink); }
.prose li { margin-bottom: 0.45rem; }
.prose li::marker { color: var(--grey-300); }
.prose strong { font-weight: 500; color: var(--ink); }

.article-note {
  max-width: var(--measure);
  margin-top: 3.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--grey-100);
  font-size: 0.9rem;
  color: var(--grey-500);
}
.article-note p { color: inherit; max-width: none; margin: 0; }

.article-foot { margin-top: 2rem; font-size: 0.95rem; color: var(--grey-700); }

.chart { margin: 2.25rem 0 2.5rem; max-width: var(--measure); }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { font-family: var(--sans); font-size: 15px; fill: var(--ink); }
.chart .val, .chart .tick, .chart .lim { font-family: var(--mono); }
.chart .val { font-size: 15px; }
.chart .tick { font-size: 13px; fill: var(--grey-500); }
.chart .lim { font-size: 13px; fill: var(--ink); }
.chart .cap { font-size: 13px; fill: var(--grey-500); }
.chart .bar { fill: var(--grey-300); }
.chart .limit { stroke: var(--ink); stroke-width: 1.5; stroke-dasharray: 5 4; }
.chart .axis, .chart .axis line { stroke: var(--grey-300); stroke-width: 1; }
.chart figcaption { margin-top: 0.9rem; font-size: 0.85rem; color: var(--grey-500); }

.wide-fig { max-width: 52rem; margin: 2rem 0 2.5rem; }
.wide-fig figcaption,
.prose .photo figcaption { margin-top: 0.75rem; font-size: 0.85rem; color: var(--grey-500); }
.wide-fig .mat-table { font-size: 0.9rem; }
.wide-fig .mat-table td.num, .wide-fig .mat-table td .num { color: var(--ink); }
.prose .photo { margin: 2rem 0 2.5rem; }
.photo-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
.photo-row img { display: block; width: 100%; height: auto; }
.prose .spec-list { list-style: none; padding-left: 0; }
.prose .spec-list .mono { color: var(--ink); }
.pairs td:nth-child(-n+2) { white-space: nowrap; }
.nb { white-space: nowrap; }
.short-answer { border-top: 1px solid var(--ink); border-bottom: 1px solid var(--grey-100); padding: 1.25rem 0 0.5rem; margin: 0 0 0.5rem; }
.short-answer .eyebrow { margin-bottom: 0.9rem; }
.prose .short-answer ul { margin-bottom: 0.75rem; }

@media (max-width: 40rem) {
  .toc ol { columns: 1; }
  .prose { font-size: 1.05rem; }
  .photo-row { grid-template-columns: 1fr; }
}
/* Table 2 (threads per inch, 2026-10-11): the long headers made the two threads-per-inch columns far wider than their
   two-digit numbers, and squeezed the Note column so "Same pitch" broke onto two lines. Keep those columns narrow and the note on one line. */
.tpi th:nth-child(2), .tpi th:nth-child(4) { width: 8.5rem; }
.tpi td:last-child { white-space: nowrap; }