/* Numbered sections, set like clauses in a legal document: the number and label sit in a margin
   column (cols 1-3), content runs in cols 4-12, and a light rule opens each one. */
.section {
  --section-pad: 26px;
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  align-items: start;
  margin-top: clamp(112px, 11vw, 168px);
  padding: var(--section-pad) var(--inset) 0;
}
.section::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--inset);
  right: var(--inset);
  height: 1px;
  background: var(--line);
}

.section-head {
  position: relative;
  grid-column: 1 / span 3;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.section-head__index {
  font: 400 12px/1 var(--mono);
  letter-spacing: .06em;
  color: var(--ink-2);
}
.section-head__label {
  font: 650 var(--fs-ui)/1.2 var(--sans);
  letter-spacing: -0.02em;
}

.section-intro { grid-column: 4 / -1; grid-row: 1; }
.section-title {
  font-family: var(--serif);
  font-size: var(--fs-h2);
  font-weight: 300;
  line-height: .98;
  letter-spacing: -0.035em;
}
.section-lede {
  max-width: 920px;
  margin-top: 16px;
  font: 400 var(--fs-sub)/1.15 var(--sans);
  letter-spacing: -0.03em;
}
.section-note {
  grid-column: 4 / -1;
  margin-top: 40px;
  color: var(--ink-2);
  font: 400 11px/1.45 var(--sans);
  letter-spacing: -0.01em;
}

@media (max-width: 767px) {
  .section { margin-top: 88px; }
  .section-head { grid-column: 1 / -1; flex-direction: row; align-items: baseline; gap: 12px; margin-bottom: 22px; }
  .section-intro, .section-note { grid-column: 1 / -1; grid-row: auto; }
}