.page-opening {
  position: relative;
  row-gap: var(--space-5);
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-rule);
}

.page-opening .eyebrow,
.page-opening h1,
.page-opening .opening-statement,
.page-opening .lead-image {
  grid-column: 1 / -1;
}

.page-opening .eyebrow {
  color: var(--color-dust);
}

.page-opening h1 {
  margin-block: var(--space-2) var(--space-4);
}

.page-opening .opening-statement {
  margin-bottom: var(--space-5);
}

.page-opening .lead-image {
  margin-top: var(--space-3);
  outline: 1px solid color-mix(in srgb, var(--color-ink) 16%, transparent);
  outline-offset: -1px;
}

.home-section,
.approach-section {
  position: relative;
  isolation: isolate;
  row-gap: var(--space-5);
  padding-block: var(--space-7);
  border-bottom: 1px solid var(--color-rule);
}

.practice-section::before,
.approach-map::before,
.approach-section:nth-child(even)::before {
  position: absolute;
  z-index: -1;
  inset: 0 calc(50% - 50vw);
  background: var(--color-paper-deep);
  content: "";
}

.precedent-section {
  color: var(--color-paper);
}

.precedent-section::before {
  position: absolute;
  z-index: -1;
  inset: 0 calc(50% - 50vw);
  background: var(--color-ink-soft);
  content: "";
}

.precedent-section .section-marker,
.precedent-section .section-label {
  color: color-mix(in srgb, var(--color-paper) 58%, transparent);
}

.precedent-section .pathways {
  border-color: color-mix(in srgb, var(--color-paper) 28%, transparent);
}

.precedent-section .pathways a {
  border-color: color-mix(in srgb, var(--color-paper) 28%, transparent);
  color: var(--color-paper);
}

.section-marker {
  grid-column: 1 / 2;
  color: var(--color-dust);
  font-family: var(--font-label);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
}

.section-label {
  color: var(--color-dust);
}

.home-section > .section-label,
.approach-section > .section-label {
  grid-column: 2 / 5;
}

.home-section > .section-introduction,
.practice-copy,
.instrument-register,
.precedent-copy,
.home-section > .pathways {
  grid-column: 1 / -1;
}

.remit-register {
  grid-column: 1 / -1;
  margin-top: var(--space-4);
  border-top: 1px solid var(--color-ink);
}

.remit-register li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: var(--space-3);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-rule);
  font-size: var(--step-1);
}

.register-mark {
  color: var(--color-dust);
  font-family: var(--font-label);
  font-size: var(--step--1);
}

.practice-copy {
  display: grid;
  gap: var(--space-5);
}

.instrument-register {
  margin-top: var(--space-3);
  border-top: 1px solid var(--color-ink);
}

.instrument-register > div {
  display: grid;
  gap: var(--space-3);
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-rule);
}

.instrument-register dt {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: var(--space-3);
}

.instrument-register dd {
  padding-left: calc(2rem + var(--space-3));
}

.instrument-register h3 {
  font-size: var(--step-1);
}

.precedent-section {
  padding-block: var(--space-8);
}

.approach-content {
  position: relative;
}

.approach-register-shell {
  padding-top: var(--space-6);
}

.approach-register-shell .section-register,
.approach-map .map-copy {
  grid-column: 1 / -1;
}

.approach-map {
  position: relative;
  isolation: isolate;
  row-gap: var(--space-6);
  padding-block: var(--space-5) var(--space-8);
  border-bottom: 1px solid var(--color-rule);
}

.section-register {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  align-items: center;
}

.section-register a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  text-decoration: none;
}

.section-register span {
  color: var(--color-dust);
}

.map-copy {
  display: grid;
  gap: var(--space-6);
}

.map-copy section {
  display: grid;
  gap: var(--space-3);
}

.approach-section > h2,
.approach-section > .approach-spread {
  grid-column: 1 / -1;
}

.approach-section > h2 {
  margin-bottom: var(--space-3);
}

.approach-spread,
.section-copy {
  display: grid;
  gap: var(--space-6);
}

.approach-spread {
  margin-top: var(--space-3);
}

.content-group {
  display: grid;
  gap: var(--space-3);
}

.content-label {
  color: var(--color-dust);
}

.definition-register {
  display: grid;
  border-top: 1px solid var(--color-ink);
}

.definition-register > div {
  display: grid;
  gap: var(--space-2);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-rule);
  break-inside: avoid;
}

.definition-register h3 {
  font-size: var(--step-0);
  font-weight: 600;
}

.closing-pathways {
  width: min(calc(100% - 2 * var(--gutter)), calc(var(--page-max) - 2 * var(--gutter)));
  margin: var(--space-8) auto;
}

@media (min-width: 48rem) {
  .page-opening {
    padding-block: var(--space-8) var(--space-9);
  }

  .page-opening .eyebrow {
    grid-column: 1 / 3;
  }

  .page-opening h1 {
    grid-column: 2 / 8;
  }

  .page-opening .opening-statement {
    grid-column: 4 / 9;
  }

  .page-opening .opening-statement {
    max-width: 54ch;
  }

  .page-opening .lead-image {
    grid-column: 1 / 9;
    margin-top: var(--space-5);
  }

  .home-section,
  .approach-section {
    padding-block: var(--space-8);
  }

  .home-section > .section-label,
  .approach-section > .section-label {
    grid-column: 2 / 3;
  }

  .home-section > .section-introduction,
  .practice-copy,
  .instrument-register,
  .precedent-copy,
  .home-section > .pathways {
    grid-column: 3 / 9;
  }

  .remit-register {
    grid-column: 3 / 9;
  }

  .practice-copy {
    grid-template-columns: 1fr 1fr;
    column-gap: var(--grid-gap);
  }

  .instrument-register > div {
    grid-template-columns: minmax(15rem, 1fr) 1fr;
    column-gap: var(--grid-gap);
  }

  .instrument-register dd {
    padding-left: 0;
  }

  .approach-register-shell .section-register,
  .approach-map .map-copy {
    grid-column: 2 / 9;
  }

  .map-copy {
    grid-template-columns: 1fr 1fr;
    column-gap: var(--grid-gap);
  }

  .approach-section > h2,
  .approach-section > .approach-spread {
    grid-column: 3 / 9;
  }

  .approach-spread .definition-register {
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--color-rule);
  }

  .approach-spread .definition-register > div:nth-child(odd) {
    padding-right: var(--space-4);
    border-right: 1px solid var(--color-rule);
  }

  .approach-spread .definition-register > div:nth-child(even) {
    padding-left: var(--space-4);
  }

  .closing-pathways {
    grid-template-columns: 1fr 1fr;
  }

  .closing-pathways a:first-child {
    padding-right: var(--space-5);
    border-right: 1px solid var(--color-rule);
  }

  .closing-pathways a:last-child {
    padding-left: var(--space-5);
  }
}

@media (min-width: 48rem) and (max-width: 74.999rem) {
  .home-section > .section-label,
  .approach-section > .section-label {
    grid-column: 2 / 4;
  }

  .home-section > .section-introduction,
  .practice-copy,
  .instrument-register,
  .precedent-copy,
  .home-section > .pathways,
  .remit-register,
  .approach-section > h2,
  .approach-section > .approach-spread {
    grid-column: 3 / 9;
  }

}

@media (min-width: 75rem) {
  .page-opening .eyebrow {
    grid-column: 1 / 4;
    grid-row: 1;
  }

  .page-opening h1 {
    grid-column: 2 / 9;
    grid-row: 2;
  }

  .page-opening .opening-statement {
    grid-column: 9 / 13;
    grid-row: 2;
    align-self: end;
    margin-bottom: 0;
  }

  .page-opening .lead-image {
    grid-column: 2 / 13;
    grid-row: 3;
    margin-top: var(--space-7);
  }

  .home-section > .section-label,
  .approach-section > .section-label {
    grid-column: 2 / 4;
  }

  .home-section > .section-introduction,
  .practice-copy,
  .instrument-register,
  .precedent-copy,
  .home-section > .pathways,
  .remit-register {
    grid-column: 5 / 12;
  }

  .remit-register,
  .instrument-register {
    grid-column: 5 / 13;
  }

  .precedent-copy {
    grid-column: 4 / 9;
    font-size: var(--step-3);
    line-height: 1.08;
  }

  .precedent-section > .pathways {
    grid-column: 9 / 13;
  }

  .approach-register-shell {
    position: absolute;
    z-index: 10;
    inset: 0;
    height: auto;
    padding-top: 0;
    pointer-events: none;
  }

  .approach-register-shell .section-register {
    position: sticky;
    top: var(--space-6);
    grid-column: 1 / 3;
    align-self: start;
    display: grid;
    gap: var(--space-1);
    width: 100%;
    margin-top: var(--space-6);
    padding: var(--space-4) var(--space-5) var(--space-5) 0;
    border-top: 1px solid var(--color-ink);
    border-bottom: 1px solid var(--color-rule);
    background: color-mix(in srgb, var(--color-paper) 96%, transparent);
    pointer-events: auto;
  }

  .approach-register-shell .section-register span {
    display: none;
  }

  .approach-register-shell .section-register a {
    min-height: 2.2rem;
  }

  .approach-map .map-copy {
    grid-column: 4 / 11;
  }

  .approach-section > .section-marker {
    grid-column: 4 / 5;
    font-size: var(--step-2);
    line-height: 1;
  }

  .approach-section > .section-label {
    grid-column: 5 / 7;
  }

  .approach-section > h2 {
    grid-column: 5 / 12;
    margin-top: var(--space-4);
    font-size: var(--step-3);
  }

  .approach-section > .approach-spread {
    grid-column: 4 / 13;
    grid-template-columns: repeat(9, minmax(0, 1fr));
    column-gap: var(--grid-gap);
    align-items: start;
    margin-top: var(--space-5);
  }

  .approach-spread > .section-image {
    grid-column: 1 / 7;
    grid-row: 1;
  }

  .approach-spread > .section-copy {
    grid-column: 7 / 10;
    grid-row: 1;
    gap: var(--space-5);
  }

  .approach-section:nth-child(even) .approach-spread > .section-image {
    grid-column: 4 / 10;
  }

  .approach-section:nth-child(even) .approach-spread > .section-copy {
    grid-column: 1 / 4;
  }

  .approach-spread .definition-register {
    grid-template-columns: 1fr;
    border-bottom: 0;
  }

  .approach-spread .definition-register > div:nth-child(odd),
  .approach-spread .definition-register > div:nth-child(even) {
    padding-inline: 0;
    border-right: 0;
  }
}