/* Research & insights — an institute's front door: a chance-to-intention hero with a page index,
   eight programme themes, the research cycle, a filterable library, ethics and a full bibliography. Prefix: .rx- */

/* ---------- Hero */
.rx-hero { min-height: min(88vh, 860px); display: flex; flex-direction: column; justify-content: flex-end; }
.rx-hero > canvas.rays { z-index: -1; }
.rx-hero__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); row-gap: var(--space-7); align-items: end; }
.rx-hero__grid > * { min-width: 0; }
.rx-hero__title { grid-column: 1 / span 8; }
.rx-hero__title .display { max-width: 11ch; }
.rx-hero__title .lead { color: var(--fog); max-width: 52ch; }
.rx-hero__index { grid-column: 10 / span 3; padding-top: 1.1rem; border-top: 1px solid var(--line-on-dark-strong); }
.rx-hero__index > .mono { color: var(--gold); letter-spacing: .1em; text-transform: uppercase; font-size: var(--fs-micro); }
.rx-hero__index ol { list-style: none; margin: .6rem 0 0; padding: 0; }
.rx-hero__index a { display: grid; grid-template-columns: 2.1rem minmax(0, 1fr); align-items: center; min-height: 44px; border-bottom: 1px solid var(--line-on-dark); font-family: var(--font-serif); font-size: 1.2rem; line-height: 1.15; text-decoration: none; transition: color var(--dur-1); }
.rx-hero__index a .mono { color: var(--mist); font-size: var(--fs-micro); }
.rx-hero__index a:hover { color: var(--gold-soft); }
.rx-hero__status { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1rem; max-width: 92ch; margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 1rem; border-top: 1px solid var(--line-on-dark); color: var(--mist); font-size: var(--fs-small); }
.rx-hero__status .mono { color: var(--gold); padding-top: .15rem; }
@media (max-width: 960px) { .rx-hero__title, .rx-hero__index { grid-column: 1 / -1; } }
@media (max-width: 760px) { .rx-hero > canvas.rays { opacity: .5; } }
@media (max-width: 520px) { .rx-hero__status { grid-template-columns: 1fr; gap: .35rem; } }

/* ---------- Programmes */
.rx-programmes__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); row-gap: var(--space-7); align-items: start; }
.rx-programmes__grid > * { min-width: 0; }
.rx-programmes__head { grid-column: 1 / span 4; position: sticky; top: calc(var(--header-h) + 2rem); }
.rx-programmes__figure { margin-top: clamp(1.5rem, 3vw, 2.5rem); }
.rx-programmes__figure img { width: 100%; height: auto; mix-blend-mode: multiply;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent), linear-gradient(to bottom, transparent, #000 8%, #000 88%, transparent); -webkit-mask-composite: source-in;
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent), linear-gradient(to bottom, transparent, #000 8%, #000 88%, transparent); mask-composite: intersect; }
.rx-themes { grid-column: 6 / span 7; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(1.5rem, 3vw, 3rem); border-top: 1px solid var(--ink); }
.rx-theme { display: grid; align-content: start; gap: .6rem; padding: 1.35rem 0 1.6rem; border-bottom: 1px solid var(--line-on-light); }
.rx-theme > .mono { color: var(--gold-ink); }
.rx-theme__t { font-family: var(--font-serif); font-size: clamp(1.5rem, 1.2rem + .9vw, 2.05rem); line-height: 1.08; letter-spacing: -.01em; }
.rx-theme p { color: var(--slate); font-size: var(--fs-small); max-width: 40ch; }
.rx-theme .link-arrow { justify-self: start; color: var(--gold-ink); font-size: .875rem; }
@media (max-width: 960px) { .rx-programmes__head, .rx-themes { grid-column: 1 / -1; } .rx-programmes__head { position: static; } .rx-programmes__figure { max-width: 420px; } }
@media (max-width: 600px) { .rx-themes { grid-template-columns: 1fr; } }

/* ---------- Method */
.rx-cycle { position: relative; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.rx-cycle::before { content: ""; position: absolute; left: 0; right: 0; top: 1.15rem; height: 1px; background: var(--line-on-dark-strong); }
.rx-step { position: relative; display: grid; align-content: start; gap: .6rem; padding-right: clamp(.75rem, 1.6vw, 1.5rem); }
.rx-step__n { position: relative; z-index: 1; display: grid; place-items: center; width: 2.3rem; height: 2.3rem; margin-bottom: .5rem; border-radius: 50%; background: var(--navy-900); border: 1px solid var(--line-on-dark-strong); color: var(--gold-soft); font-size: .72rem; }
.rx-step:first-child .rx-step__n { background: var(--gold); border-color: var(--gold); color: var(--navy-950); box-shadow: 0 0 0 6px rgba(194, 162, 122, .18); }
.rx-step__t { font-family: var(--font-serif); font-size: clamp(1.3rem, 1.05rem + .8vw, 1.8rem); line-height: 1.08; }
.rx-step__d { color: var(--fog); font-size: var(--fs-small); }
.rx-step__o { display: grid; gap: .2rem; margin-top: .25rem; padding-top: .65rem; border-top: 1px solid var(--line-on-dark); font-size: var(--fs-xs); font-weight: 600; color: var(--ivory); }
.rx-step__o .mono { color: var(--gold); font-weight: 400; font-size: var(--fs-micro); letter-spacing: .1em; text-transform: uppercase; }
.rx-return { position: relative; display: flex; flex-wrap: wrap; justify-content: center; align-items: baseline; gap: .4rem 1rem; margin-top: 1.75rem; padding-top: 2.1rem; color: var(--fog); font-size: var(--fs-small); }
.rx-return .mono { color: var(--gold); font-size: var(--fs-micro); letter-spacing: .1em; text-transform: uppercase; }
.rx-return__line { position: absolute; top: 0; left: 1.15rem; right: calc(100% / 6 - 1.15rem); height: 1.2rem; border: 1px dashed rgba(194, 162, 122, .6); border-top: 0; border-radius: 0 0 8px 8px; }
.rx-return__line::before { content: ""; position: absolute; left: -4.5px; top: -2px; border: 4px solid transparent; border-bottom: 6px solid var(--gold); border-top: 0; }
.rx-design { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: .6rem var(--col-gap); margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 1.25rem; border-top: 1px solid var(--line-on-dark); color: var(--fog); }
.rx-design > :not(:first-child) { grid-column: 2; }
@media (max-width: 1100px) {
  .rx-cycle { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 2rem; }
  .rx-cycle::before, .rx-return__line { display: none; }
  .rx-return { justify-content: flex-start; padding-top: 0; }
}
@media (max-width: 640px) {
  .rx-cycle { grid-template-columns: 1fr; row-gap: 0; }
  .rx-cycle::before { display: block; left: 1.15rem; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .rx-step { grid-template-columns: 2.3rem minmax(0, 1fr); column-gap: 1rem; padding: 0 0 1.75rem; }
  .rx-step > :not(.rx-step__n) { grid-column: 2; }
  .rx-step__n { grid-row: 1 / span 3; margin: 0; }
  .rx-design { grid-template-columns: 1fr; }
  .rx-design > :not(:first-child) { grid-column: 1; }
}

/* ---------- Explorer */
.rx-lib { display: grid; gap: clamp(2rem, 4vw, 3.5rem); align-items: start; }
.rx-lib.is-live { grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); }
.rx-lib > * { min-width: 0; }
.rx-filters { display: grid; gap: 1.6rem; align-content: start; }
@media (min-width: 1101px) and (min-height: 1040px) { .rx-lib.is-live .rx-filters { position: sticky; top: calc(var(--header-h) + 1.5rem); } }
.rx-label { display: flex; gap: .5rem; align-items: baseline; margin: 0 0 .6rem; padding: 0; font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .1em; text-transform: uppercase; color: var(--gold-ink); }
.rx-label__hint { color: var(--slate); letter-spacing: .02em; text-transform: none; }
.rx-search__box { position: relative; }
.rx-search__box .icon { position: absolute; left: .9rem; top: 50%; width: 1.1rem; height: 1.1rem; transform: translateY(-50%); color: var(--slate); pointer-events: none; }
.rx-search__box .input { width: 100%; min-height: 50px; padding-left: 2.6rem; background: var(--white); }
.rx-group { margin: 0; padding: 0; border: 0; min-width: 0; }
.rx-chips { display: flex; flex-wrap: wrap; gap: .35rem; }
.rx-chip { display: inline-flex; align-items: center; gap: .45rem; min-height: 44px; padding: 0 .85rem; border: 1px solid var(--line-on-light-strong); border-radius: 999px; background: transparent; color: var(--ink); font-size: .84rem; font-weight: 650; line-height: 1.2; text-align: left; transition: background-color var(--dur-1), color var(--dur-1), border-color var(--dur-1); }
.rx-chip:hover { border-color: var(--ink); }
.rx-chip[aria-pressed="true"] { background: var(--navy-900); border-color: var(--navy-900); color: var(--ivory); }
.rx-chip__n { font-size: .68rem; font-weight: 400; color: var(--slate); }
.rx-chip[aria-pressed="true"] .rx-chip__n { color: var(--gold-soft); }
.rx-chip--topic::before { content: ""; width: 9px; height: 9px; flex: none; border: 1px solid currentColor; border-radius: 2px; }
.rx-chip--topic[aria-pressed="true"]::before { background: var(--gold); border-color: var(--gold); }
.rx-status { display: grid; gap: .1rem; }
.rx-check { display: flex; align-items: center; gap: .65rem; min-height: 44px; font-size: .9rem; font-weight: 600; cursor: pointer; }
.rx-check input { width: 20px; height: 20px; margin: 0; flex: none; accent-color: var(--navy-900); cursor: pointer; }

.rx-results__bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .5rem 1rem; margin-bottom: 1.5rem; padding-bottom: .75rem; border-bottom: 1px solid var(--ink); }
.rx-count { font-family: var(--font-serif); font-size: clamp(1.4rem, 1.2rem + .6vw, 1.8rem); line-height: 1.2; }
.rx-count [data-rx-shown] { font-variant-numeric: tabular-nums lining-nums; }
.rx-count__f { font-family: var(--font-sans); font-size: var(--fs-small); color: var(--slate); }
.rx-reset { min-height: 44px; padding: 0 .25rem; border: 0; background: none; color: var(--gold-ink); font-size: .875rem; font-weight: 650; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .25em; }
.rx-empty { display: grid; gap: .75rem; justify-items: start; padding: clamp(2rem, 5vw, 3.5rem) 0; border-bottom: 1px solid var(--line-on-light); }

.rx-set + .rx-set { margin-top: clamp(2.5rem, 5vw, 4rem); }
.rx-set__title { display: flex; align-items: baseline; gap: .75rem; padding-bottom: .75rem; border-bottom: 1px solid var(--ink); font-family: var(--font-serif); font-size: clamp(1.6rem, 1.3rem + 1vw, 2.25rem); line-height: 1.1; }
.rx-set__title > .mono { color: var(--gold-ink); font-size: var(--fs-micro); }
.rx-set__n { margin-left: auto; color: var(--slate); font-size: var(--fs-xs); }

.rx-tag--published { --tag-c: var(--navy-600); }
.rx-tag--published::before { border-radius: 1px; }
.rx-kind { font-size: var(--fs-micro); letter-spacing: .1em; text-transform: uppercase; color: var(--slate); }
.rx-extra { font-size: var(--fs-xs); color: var(--slate); }
.rx-publisher { font-size: .9rem; font-weight: 650; line-height: 1.3; }
.rx-item__title { font-family: var(--font-serif); font-size: clamp(1.35rem, 1.15rem + .6vw, 1.75rem); line-height: 1.15; letter-spacing: -.005em; }
.rx-item__title a { text-decoration: none; }
.rx-item__title a:hover { text-decoration: underline; text-decoration-thickness: 1px; }
.rx-item__desc { color: var(--slate); font-size: var(--fs-small); max-width: 62ch; }
.rx-item__date { color: var(--slate); font-size: .78em; }
.rx-topics { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .3rem; }
.rx-topics li { padding: .22rem .5rem; border-radius: 2px; background: color-mix(in srgb, var(--stone) 40%, transparent); font-family: var(--font-mono); font-size: .66rem; letter-spacing: .02em; color: var(--charcoal); }

.rx-rows { list-style: none; margin: 0; padding: 0; }
.rx-row { position: relative; display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 6fr) minmax(0, 3fr); gap: .75rem var(--col-gap); padding-block: 1.3rem; border-bottom: 1px solid var(--line-on-light); transition: background-color var(--dur-2); }
.rx-row .rx-item__title a::after { content: ""; position: absolute; inset: 0; }
.rx-row:hover { background: linear-gradient(90deg, color-mix(in srgb, var(--paper) 85%, transparent), transparent 80%); }
.rx-row:hover .rx-item__title a { color: var(--gold-ink); }
.rx-row__meta { display: flex; flex-direction: column; align-items: flex-start; gap: .5rem; }
.rx-row__main { display: grid; gap: .4rem; align-content: start; }
.rx-row__side { display: flex; flex-direction: column; align-items: flex-start; justify-content: space-between; gap: .9rem; }
.rx-go, .rx-ext { color: var(--gold-ink); font-size: .85rem; }
.rx-ext { display: inline-flex; align-items: center; gap: .35rem; font-size: var(--fs-micro); letter-spacing: .06em; text-transform: uppercase; }

.rx-pubs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--col-gap); }
.rx-pub { display: grid; grid-template-rows: auto 1fr; background: var(--white); border: 1px solid var(--line-on-light); border-radius: var(--radius-s); overflow: hidden; }
.rx-pub__cover { display: grid; grid-template-rows: minmax(0, 1fr); grid-template-columns: minmax(0, 1fr); place-items: center; height: 250px; padding: 1.4rem; background: var(--cream); border-bottom: 1px solid var(--line-on-light); }
.rx-pub__cover img { width: auto; height: auto; max-width: 100%; max-height: 100%; min-height: 0; box-shadow: var(--shadow-lift); }
.rx-cover { position: relative; overflow: hidden; display: grid; align-content: space-between; gap: .5rem; width: 100%; max-width: 340px; aspect-ratio: 16 / 9; padding: 1rem 1.1rem; color: var(--ivory); box-shadow: var(--shadow-lift);
  background: repeating-radial-gradient(circle at 100% 100%, transparent 0 34px, rgba(194, 162, 122, .4) 34px 35px), var(--navy-900); }
.rx-cover__k { font-family: var(--font-mono); font-size: .6rem; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); }
.rx-cover__t { font-family: var(--font-serif); font-size: 1.7rem; line-height: 1; }
.rx-cover__t em { color: var(--gold-soft); }
.rx-cover__f { font-family: var(--font-mono); font-size: .6rem; letter-spacing: .08em; color: var(--mist); }
.rx-pub__body { display: grid; gap: .7rem; align-content: start; padding: 1.25rem 1.25rem 1.5rem; }
.rx-pub__body .rx-row__meta { flex-direction: row; flex-wrap: wrap; align-items: center; }
.rx-pub__note { font-size: var(--fs-xs); color: var(--slate); font-style: italic; }
.rx-pub__actions { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin-top: .3rem; }
.rx-pub__actions .btn--sm { min-height: 44px; }

.rx-planned { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 210px), 1fr)); gap: .75rem; }
.rx-plan { display: grid; align-content: start; gap: .6rem; padding: 1.1rem 1.1rem 1.25rem; border: 1px dashed var(--line-on-light-strong); border-radius: var(--radius-s); }
.rx-plan .rx-row__meta { flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.rx-plan .rx-item__title { font-size: 1.4rem; }

@media (max-width: 1100px) {
  .rx-lib.is-live { grid-template-columns: 1fr; }
  .rx-lib.is-live .rx-filters { position: static; max-height: none; overflow: visible; padding: 0; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem var(--col-gap); }
  .rx-filters .rx-search, .rx-filters .rx-group:last-child { grid-column: 1 / -1; }
  .rx-status { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); align-content: start; }
}
@media (max-width: 860px) { .rx-pubs { grid-template-columns: 1fr; } .rx-pub { grid-template-rows: none; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); } .rx-pub__cover { height: 100%; min-height: 240px; border-bottom: 0; border-right: 1px solid var(--line-on-light); } }
@media (max-width: 760px) {
  .rx-row { grid-template-columns: 1fr; gap: .6rem; }
  .rx-row__meta { flex-direction: row; flex-wrap: wrap; align-items: center; }
  .rx-lib.is-live .rx-filters { grid-template-columns: 1fr; }
  .rx-chips { flex-wrap: nowrap; overflow-x: auto; padding-bottom: .35rem; margin-inline: -2px; padding-inline: 2px; scrollbar-width: thin; }
  .rx-chip { flex: none; }
  .rx-go { display: none; }
}
@media (max-width: 560px) { .rx-pub { grid-template-columns: 1fr; } .rx-pub__cover { height: 220px; border-right: 0; border-bottom: 1px solid var(--line-on-light); } }

/* ---------- Insight, policy, innovation */
.rx-insight__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-7) clamp(2rem, 4vw, 4rem); }
.rx-col { display: grid; align-content: start; gap: .75rem; padding-top: 1.25rem; border-top: 1px solid var(--ink); }
.rx-col__k { color: var(--gold-ink); font-size: var(--fs-micro); letter-spacing: .1em; text-transform: uppercase; }
.rx-essays { list-style: none; margin: .4rem 0 0; padding: 0; border-top: 1px solid var(--line-on-light); }
.rx-essays a { display: grid; gap: .25rem; padding-block: .85rem; border-bottom: 1px solid var(--line-on-light); font-family: var(--font-serif); font-size: 1.22rem; line-height: 1.2; text-decoration: none; transition: color var(--dur-1); }
.rx-essays a .mono { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .08em; text-transform: uppercase; color: var(--gold-ink); }
.rx-essays a:hover { color: var(--gold-ink); }
.rx-anchors { list-style: none; margin: .4rem 0 0; padding: 0; border-top: 1px solid var(--line-on-light); }
.rx-anchors li { padding-block: .55rem; border-bottom: 1px solid var(--line-on-light); font-size: var(--fs-small); color: var(--charcoal); }
.rx-col__foot { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; margin-top: .4rem; }
.rx-col .link-arrow { color: var(--gold-ink); }
.rx-lab { margin: .4rem 0 0; border-top: 1px solid var(--line-on-light); }
.rx-lab > div { display: grid; gap: .2rem; padding-block: .65rem; border-bottom: 1px solid var(--line-on-light); }
.rx-lab dt { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .1em; text-transform: uppercase; color: var(--gold-ink); }
.rx-lab dd { margin: 0; font-size: var(--fs-small); }
.rx-aces { display: grid; gap: .4rem; justify-items: start; margin-top: 1.25rem; padding-top: 1rem; border-top: 1px dashed var(--line-on-light-strong); }
@media (max-width: 1000px) { .rx-insight__grid { grid-template-columns: 1fr; gap: 3rem; } }

/* ---------- Ethics */
.rx-ethics { overflow: hidden; }
.rx-ethics__burst { position: absolute; right: -10vw; top: -8vw; z-index: -1; width: min(56vw, 700px); aspect-ratio: 1; opacity: .38; }
.rx-ethics .statement { max-width: 22ch; font-size: clamp(2rem, 1.25rem + 2.8vw, 3.75rem); }
.rx-ethics__lead { margin-top: var(--space-5); color: var(--fog); }
.rx-ethics__grid { list-style: none; margin: clamp(3rem, 6vw, 5rem) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-6) clamp(1.25rem, 3vw, 3rem); }
.rx-ethics__grid li { display: grid; align-content: start; gap: .6rem; padding-top: 1.25rem; border-top: 1px solid var(--line-on-dark-strong); }
.rx-ethics__grid li:last-child { border-top-color: var(--gold); }
.rx-ethics__grid .mono { color: var(--gold); }
.rx-ethics__grid p { color: var(--fog); font-size: var(--fs-small); }
.rx-ethics__note { margin-top: clamp(2.5rem, 5vw, 3.5rem); max-width: 90ch; }
.rx-ethics__note a { color: var(--gold-soft); }
@media (max-width: 1000px) { .rx-ethics__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .rx-ethics__grid { grid-template-columns: 1fr; } }

/* ---------- Sources & bibliography */
.rx-use { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: var(--space-5) var(--col-gap); margin-bottom: clamp(3rem, 6vw, 5rem); padding: clamp(1.4rem, 3vw, 2.4rem); background: var(--ivory); border: 1px solid var(--line-on-light); border-left: 2px solid var(--gold-deep); }
.rx-use__title { font-family: var(--font-serif); font-size: var(--fs-h3); line-height: 1.1; }
.rx-use__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem 2.25rem; }
.rx-use__list li { display: grid; gap: .3rem; align-content: start; }
.rx-use__list .mono { color: var(--gold-ink); font-size: var(--fs-micro); letter-spacing: .1em; text-transform: uppercase; }
.rx-use__list p { font-size: var(--fs-small); color: var(--charcoal); }

.rx-bib { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: var(--space-6) var(--col-gap); align-items: start; }
.rx-bib > * { min-width: 0; }
.rx-bib__nav { position: sticky; top: calc(var(--header-h) + 1.5rem); }
.rx-bib__nav ol { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-on-light-strong); }
.rx-bib__nav a { display: grid; grid-template-columns: 1.75rem minmax(0, 1fr); align-items: center; min-height: 44px; border-bottom: 1px solid var(--line-on-light); font-size: var(--fs-small); font-weight: 600; text-decoration: none; }
.rx-bib__nav a .mono { color: var(--gold-ink); }
.rx-bib__nav a:hover { color: var(--gold-ink); }
.rx-bib__part + .rx-bib__part { margin-top: clamp(3rem, 6vw, 4.5rem); }
.rx-bib__h { display: flex; flex-wrap: wrap; align-items: baseline; gap: .35rem .75rem; padding-bottom: .8rem; border-bottom: 1px solid var(--ink); font-family: var(--font-serif); font-size: clamp(1.4rem, 1.2rem + .7vw, 1.9rem); line-height: 1.15; }
.rx-bib__h > .mono:first-child { color: var(--gold-ink); font-size: var(--fs-xs); }
.rx-bib__meta { flex-basis: 100%; font-size: var(--fs-micro); letter-spacing: .08em; text-transform: uppercase; color: var(--slate); }
.rx-refs { list-style: none; margin: 0; padding: 0; }
.rx-ref { display: grid; grid-template-columns: 3.25rem minmax(0, 1fr) auto; gap: .3rem 1rem; padding-block: 1.15rem; border-bottom: 1px solid var(--line-on-light); scroll-margin-top: calc(var(--header-h) + 1rem); }
.rx-ref:target { background: color-mix(in srgb, var(--gold-soft) 18%, transparent); }
.rx-ref__n { padding-top: .2rem; color: var(--gold-ink); font-size: var(--fs-xs); }
.rx-ref__body { display: grid; gap: .5rem; min-width: 0; overflow-wrap: anywhere; }
.rx-ref__cite { font-size: .95rem; font-weight: 650; line-height: 1.45; }
.rx-refs--doc .rx-ref__cite { font-weight: 400; }
.rx-refs--doc .rx-ref__cite strong { font-weight: 700; }
.rx-ref__note { font-size: var(--fs-xs); color: var(--slate); }
.rx-ref__fig { display: flex; flex-wrap: wrap; align-items: baseline; gap: .2rem .8rem; font-size: var(--fs-small); color: var(--charcoal); }
.rx-ref__value { font-family: var(--font-serif); font-size: 1.5rem; line-height: 1.1; color: var(--ink); }
.rx-ref__meta { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; margin: 0; font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--slate); }
.rx-ref__meta > div { display: flex; gap: .4rem; }
.rx-ref__meta dt { flex: none; color: var(--gold-ink); letter-spacing: .08em; text-transform: uppercase; } /* QA: stop "YEAR" breaking into YEA/R beside long values at 390px */
.rx-ref__meta dd { margin: 0; min-width: 0; }
.rx-ref__fix { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .75rem; padding: .7rem .85rem; border-left: 2px solid var(--st-development); background: color-mix(in srgb, var(--st-development) 8%, transparent); font-size: var(--fs-xs); color: var(--charcoal); }
.rx-ref__fix .mono { padding-top: .1rem; color: var(--gold-ink); font-size: var(--fs-micro); letter-spacing: .08em; text-transform: uppercase; }
.rx-ref__notes summary { display: inline-flex; align-items: center; gap: .45rem; min-height: 36px; cursor: pointer; list-style: none; font-size: var(--fs-xs); font-weight: 650; color: var(--gold-ink); }
.rx-ref__notes summary::-webkit-details-marker { display: none; }
.rx-ref__notes summary::before { content: "+"; font-family: var(--font-mono); font-weight: 400; }
.rx-ref__notes[open] summary::before { content: "−"; }
.rx-ref__notes p { max-width: 82ch; font-size: var(--fs-xs); color: var(--slate); }
.rx-ref__url a { font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--slate); overflow-wrap: anywhere; }
.rx-ref__url a:hover { color: var(--gold-ink); }
.rx-ref__status { align-self: start; }
.rx-bib__aside { margin-top: 1rem; font-size: var(--fs-small); font-style: italic; color: var(--slate); }
.rx-bib__note { margin-top: clamp(2rem, 4vw, 3rem); }
@media (max-width: 960px) {
  .rx-use, .rx-bib { grid-template-columns: 1fr; }
  .rx-bib__nav { position: static; }
}
@media (max-width: 640px) {
  .rx-use__list { grid-template-columns: 1fr; }
  .rx-ref { grid-template-columns: 2.6rem minmax(0, 1fr); }
  .rx-ref__status { grid-column: 2; grid-row: 1; margin-bottom: .2rem; }
  .rx-ref__body { grid-column: 2; }
  .rx-ref__n { grid-row: 1 / span 2; }
}