@font-face { font-family: 'Cormorant SC'; font-style: normal; font-weight: 300; font-display: swap; src: url("/assets/fonts/cormorant-sc-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: 'Cormorant SC'; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/cormorant-sc-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Cormorant SC'; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/cormorant-sc-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Cormorant SC'; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/cormorant-sc-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: 'Cormorant SC'; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/cormorant-sc-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: italic; font-weight: 100; font-display: swap; src: url("/assets/fonts/jost-latin-100-italic.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: normal; font-weight: 100; font-display: swap; src: url("/assets/fonts/jost-latin-100-normal.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: italic; font-weight: 200; font-display: swap; src: url("/assets/fonts/jost-latin-200-italic.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: normal; font-weight: 200; font-display: swap; src: url("/assets/fonts/jost-latin-200-normal.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: italic; font-weight: 300; font-display: swap; src: url("/assets/fonts/jost-latin-300-italic.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: normal; font-weight: 300; font-display: swap; src: url("/assets/fonts/jost-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: italic; font-weight: 400; font-display: swap; src: url("/assets/fonts/jost-latin-400-italic.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/jost-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: italic; font-weight: 500; font-display: swap; src: url("/assets/fonts/jost-latin-500-italic.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/jost-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: italic; font-weight: 600; font-display: swap; src: url("/assets/fonts/jost-latin-600-italic.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/jost-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: italic; font-weight: 700; font-display: swap; src: url("/assets/fonts/jost-latin-700-italic.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/jost-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: italic; font-weight: 800; font-display: swap; src: url("/assets/fonts/jost-latin-800-italic.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: normal; font-weight: 800; font-display: swap; src: url("/assets/fonts/jost-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: italic; font-weight: 900; font-display: swap; src: url("/assets/fonts/jost-latin-900-italic.woff2") format("woff2"); }
@font-face { font-family: 'Jost'; font-style: normal; font-weight: 900; font-display: swap; src: url("/assets/fonts/jost-latin-900-normal.woff2") format("woff2"); }
:root {
  --bg-light-base: #f5f7f8;
  --fg-light-base-body: #1e2a33;
  --fg-light-base-heading: #1e2a33;
  --fg-light-base-muted: #4c5b67;
  --fg-light-base-link: #375670;
  --fg-light-base-inverse: #1e2a33;
  --bg-light-card: #fcfdfd;
  --fg-light-card-body: #1e2a33;
  --fg-light-card-heading: #1e2a33;
  --fg-light-card-muted: #4c5b67;
  --fg-light-card-link: #375670;
  --fg-light-card-inverse: #1e2a33;
  --bg-light-elevated: #e9eef1;
  --fg-light-elevated-body: #1e2a33;
  --fg-light-elevated-heading: #1e2a33;
  --fg-light-elevated-muted: #4c5b67;
  --fg-light-elevated-link: #375670;
  --fg-light-elevated-inverse: #1e2a33;
  --brand-light-accent: #375670;
  --brand-light-accent-hover: #243c50;
  --brand-light-on-accent: #ffffff;
  --focus-light-ring: #375670;
  --border-light-default: #75848f;
  --border-light-subtle: #cdd6dc;
}
.bg-surface-base { background: var(--bg-light-base); --fg-body: var(--fg-light-base-body); --fg-heading: var(--fg-light-base-heading); --fg-muted: var(--fg-light-base-muted); --fg-link: var(--fg-light-base-link); --fg-inverse: var(--fg-light-base-inverse); }
.bg-surface-card { background: var(--bg-light-card); --fg-body: var(--fg-light-card-body); --fg-heading: var(--fg-light-card-heading); --fg-muted: var(--fg-light-card-muted); --fg-link: var(--fg-light-card-link); --fg-inverse: var(--fg-light-card-inverse); }
.bg-surface-elevated { background: var(--bg-light-elevated); --fg-body: var(--fg-light-elevated-body); --fg-heading: var(--fg-light-elevated-heading); --fg-muted: var(--fg-light-elevated-muted); --fg-link: var(--fg-light-elevated-link); --fg-inverse: var(--fg-light-elevated-inverse); }
.text-role-body { color: var(--fg-body); overflow-wrap: anywhere; }
.text-role-heading { color: var(--fg-heading); overflow-wrap: anywhere; }
.text-role-muted { color: var(--fg-muted); }
.text-role-link { color: var(--fg-link); }
.text-role-inverse { color: var(--fg-inverse); }
.text-role-link { text-decoration: underline; }
.text-role-link:hover { color: var(--brand-light-accent-hover); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--focus-light-ring); outline-offset: 2px; }
img { max-width: 100%; height: auto; }
.site-logo { max-width: 100%; height: auto; }
.site-menu > summary { list-style: none; cursor: pointer; }
.site-menu > summary::-webkit-details-marker { display: none; }
:where(section[data-section][style]) { background-size: cover; background-position: center; padding: clamp(1.5rem, 4vw, 3rem); }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { position: static; padding: 0.25rem 0.5rem; outline: 2px solid var(--focus-light-ring); }

/* Fine-line anatomical notebook: porcelain ground, slate ink, hairline rules. */
:root {
  --hair: 1px solid var(--border-light-default);
  --hair-faint: 1px solid var(--border-light-subtle);
  --slate: var(--brand-light-accent);
  --sans: 'Jost', 'Futura', 'Century Gothic', system-ui, sans-serif;
  --caps: 'Cormorant SC', 'Cormorant Garamond', Georgia, serif;
  --measure: 38rem;
  --wide: 72rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body.notebook {
  margin: 0;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.65;
}

/* ---------- Masthead ---------- */

.masthead {
  border-bottom: var(--hair);
}

.masthead-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 1rem var(--gutter);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.5rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  min-height: 44px;
}

.brand .site-logo {
  width: 44px;
  height: 44px;
  flex: none;
}

.brand-name {
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.2;
  letter-spacing: 0.03em;
  max-width: 22rem;
}

.brand:hover .brand-name {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.strapline {
  margin: 0;
  font-weight: 300;
  font-size: 0.9375rem;
  justify-self: end;
}

.masthead-menu {
  position: relative;
}

.site-menu > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0 0.85rem;
  border: var(--hair);
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: 0.04em;
}

.site-menu > summary:hover {
  border-color: var(--slate);
}

.site-menu > ul {
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  z-index: 10;
  min-width: 15rem;
  margin: 0;
  padding: 0.25rem 0;
  list-style: none;
  background: var(--bg-light-card);
  border: var(--hair);
}

.site-menu li + li {
  border-top: var(--hair-faint);
}

.site-menu a {
  display: block;
  padding: 0.7rem 1rem;
  text-decoration: none;
  font-size: 1rem;
}

.site-menu a:hover {
  text-decoration: underline;
}

/* ---------- Page frame ---------- */

.page {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 var(--gutter) 4rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.5rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--border-light-default);
}

.breadcrumbs a {
  display: inline-block;
  padding: 0.6rem 0;
}

.page-head {
  padding: 2.5rem 0 1.5rem;
  border-bottom: var(--hair);
  margin-bottom: 2.25rem;
}

h1 {
  margin: 0;
  font-family: var(--caps);
  font-weight: 500;
  font-size: clamp(2.125rem, 1.4rem + 3vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--fg-heading);
  max-width: 24ch;
  overflow-wrap: break-word;
}

/* ---------- Reading column ---------- */

.study-body {
  max-width: var(--measure);
}

.study-body > :first-child {
  margin-top: 0;
}

.study-body h2 {
  margin: 2.5rem 0 0.75rem;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--fg-heading);
}

.study-body h3 {
  margin: 1.75rem 0 0.5rem;
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--fg-heading);
}

.study-body p,
.study-body ul,
.study-body ol {
  margin: 0 0 1.1rem;
}

.study-body ul,
.study-body ol {
  padding-left: 1.25rem;
}

.study-body li {
  margin-bottom: 0.5rem;
}

.study-body ul > li::marker {
  content: "\2013\00a0 ";
  color: var(--border-light-default);
}

.study-body a {
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.study-body strong {
  font-weight: 500;
}

.photo-hero,
.photo-inline {
  margin: 0 0 2rem;
  padding: 0.5rem;
  border: var(--hair);
  background: var(--bg-light-card);
}

.photo-hero img,
.photo-inline img {
  display: block;
  width: 100%;
}

/* ---------- Home: annotated plate ---------- */

.plate-hero {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 2rem 3rem;
  padding: 3rem 0 3rem;
  border-bottom: var(--hair);
  align-items: end;
}

.plate-no {
  margin: 0 0 1rem;
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: 0.06em;
}

.plate-heading h1 {
  font-size: clamp(2rem, 1.2rem + 2.2vw, 3rem);
}

.plate-statement {
  margin: 1.5rem 0 0;
  padding-top: 1.25rem;
  border-top: var(--hair);
  font-weight: 300;
  font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  line-height: 1.35;
  max-width: 26ch;
}

.plate-figure {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  align-items: stretch;
}

.plate-drawing {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.plate-drawing .construct path {
  fill: none;
  stroke: var(--border-light-subtle);
  stroke-width: 1;
}

.plate-drawing .construct path:first-child,
.plate-drawing .construct path:nth-child(2) {
  stroke-dasharray: 3 5;
}

.plate-drawing .ink path,
.plate-drawing .ink circle {
  fill: none;
  stroke: var(--fg-heading);
  stroke-width: 1.25;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.plate-drawing .ink .brow {
  stroke-width: 1.75;
}

.plate-drawing .ink .hair,
.plate-drawing .ink .lash {
  stroke-width: 0.9;
}

.plate-drawing .ink .crease {
  stroke: var(--border-light-default);
  stroke-width: 1;
}

.plate-drawing .ink .iris {
  stroke: var(--slate);
}

.plate-drawing .ink .pupil {
  fill: var(--fg-heading);
  stroke: none;
}

.plate-drawing .ink .glint {
  fill: var(--bg-light-base);
  stroke: none;
}

.plate-drawing .leaders path {
  fill: none;
  stroke: var(--slate);
  stroke-width: 0.9;
}

.plate-drawing .leaders circle {
  fill: var(--bg-light-base);
  stroke: var(--slate);
  stroke-width: 1.1;
}

.callouts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.callouts li {
  display: grid;
  grid-template-columns: 1.75rem 1fr;
  gap: 0.5rem;
  padding-top: 0.5rem;
  border-top: var(--hair);
  font-size: 0.9375rem;
  line-height: 1.45;
}

.callout-no {
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.2;
}

.plate-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: var(--hair);
}

.plate-index li + li {
  border-left: var(--hair);
}

.index-tile {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  height: 100%;
  padding: 1.5rem 1.5rem 1.75rem;
  text-decoration: none;
}

.plate-index li:first-child .index-tile {
  padding-left: 0;
}

.tile-no {
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.06em;
}

.tile-title {
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.3;
}

.tile-note {
  font-size: 0.9375rem;
  line-height: 1.5;
}

.index-tile:hover .tile-title {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.home-body {
  padding-top: 2.5rem;
}

/* ---------- Topic hub: specimen index ---------- */

.specimen-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: 2.5rem 3.5rem;
  align-items: start;
}

.index-label {
  margin: 0 0 0.5rem;
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: 0.05em;
}

.specimen-index ul {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: specimen;
  border-top: var(--hair);
}

.specimen-index li {
  counter-increment: specimen;
  border-bottom: var(--hair);
}

.specimen-index a {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  align-items: baseline;
  padding: 1rem 0;
  font-size: 1.1875rem;
  line-height: 1.35;
  text-decoration: none;
}

.specimen-index a::before {
  content: counter(specimen, lower-roman) ".";
  font-family: var(--caps);
  font-weight: 600;
  color: var(--fg-muted);
}

.specimen-index a:hover {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.side-note {
  padding: 1.5rem 1.5rem 0.5rem;
  border-left: 2px solid var(--slate);
  font-size: 0.96875rem;
}

.side-note h2 {
  margin: 0 0 0.4rem;
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1.1875rem;
  letter-spacing: 0.03em;
  color: var(--fg-heading);
}

.side-note h2 ~ h2 {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: var(--hair);
}

.side-note p,
.side-note ul {
  margin: 0 0 1rem;
}

.side-note ul {
  padding-left: 1.1rem;
}

.side-note li {
  margin-bottom: 0.4rem;
}

/* ---------- Article: annotated study page ---------- */

.study-page .page-head {
  max-width: 52rem;
}

.study-body.numbered {
  counter-reset: callout;
  margin-left: 4.5rem;
}

.study-body.numbered h2 {
  position: relative;
  counter-increment: callout;
  padding-top: 0.75rem;
  border-top: var(--hair);
}

.study-body.numbered h2::before {
  content: counter(callout);
  position: absolute;
  left: -4.5rem;
  top: 0.6rem;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border: var(--hair);
  border-radius: 50%;
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--fg-muted);
}

.study-body.numbered h2::after {
  content: "";
  position: absolute;
  left: -2.25rem;
  top: 1.85rem;
  width: 2.25rem;
  border-top: var(--hair);
}

.study-body.numbered h3 {
  display: inline-block;
  margin: 1.5rem 0 0;
  padding: 0.35rem 0.85rem 0.25rem;
  border: var(--hair);
  border-bottom: 0;
  background: var(--bg-light-card);
  font-size: 1.125rem;
}

.study-body.numbered h3 + p {
  padding: 0.85rem 1rem;
  border: var(--hair);
  background: var(--bg-light-card);
}

/* ---------- About: notebook colophon ---------- */

.colophon-body {
  max-width: none;
  columns: 2 22rem;
  column-gap: 3.5rem;
  column-rule: var(--hair-faint);
}

.colophon-body h2 {
  break-after: avoid;
  margin: 0 0 0.5rem;
  padding-top: 0.75rem;
  border-top: var(--hair);
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.03em;
}

.colophon-body p {
  break-inside: avoid;
  margin-bottom: 1.75rem;
}

.colophon-body section[data-section] { break-inside: avoid; margin-bottom: 1.75rem; }

/* ---------- Contact: index card ---------- */

.card-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 26rem);
  gap: 2.5rem 3.5rem;
  align-items: start;
}

.index-card {
  display: grid;
  gap: 1.1rem;
  padding: 1.5rem 1.5rem 1.75rem;
  border: var(--hair);
  background-image: linear-gradient(var(--brand-light-accent), var(--brand-light-accent));
  background-size: 100% 2px;
  background-repeat: no-repeat;
}

.card-label {
  margin: 0;
  padding-bottom: 0.6rem;
  border-bottom: var(--hair-faint);
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: 0.04em;
}

.field {
  display: grid;
  gap: 0.3rem;
}

.field-label {
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: 0.05em;
}

.field input,
.field textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.55rem 0.7rem;
  font: inherit;
  font-size: 1rem;
  color: var(--fg-body);
  background: var(--bg-light-base);
  border: 0;
  border-bottom: 1px solid var(--border-light-default);
  border-radius: 0;
}

.field textarea {
  resize: vertical;
  border: var(--hair);
}

.field input:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--focus-light-ring);
  outline-offset: 2px;
}

.submit {
  justify-self: start;
  min-height: 44px;
  padding: 0.6rem 1.4rem;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--brand-light-on-accent);
  background: var(--brand-light-accent);
  border: 1px solid var(--brand-light-accent);
  border-radius: 2px;
  cursor: pointer;
}

.submit:hover {
  background: var(--brand-light-accent-hover);
  border-color: var(--brand-light-accent-hover);
}

/* ---------- Thank you: filed note ---------- */

.filed-page {
  padding: 3rem 0 1rem;
}

.filed-note {
  position: relative;
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem clamp(1.25rem, 4vw, 2.5rem) 1.5rem;
  border: var(--hair);
  outline: 1px solid var(--border-light-subtle);
  outline-offset: 5px;
}

.filed-check {
  display: block;
  margin-bottom: 0.75rem;
  fill: none;
  stroke: var(--slate);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.filed-note .page-head {
  padding-top: 0;
}

.filed-note h1 {
  font-size: clamp(1.875rem, 1.4rem + 2vw, 2.75rem);
}

.filed-back {
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  border-top: var(--hair);
}

.filed-back a {
  display: inline-block;
  padding: 0.6rem 0;
}

/* ---------- Footer ---------- */

.colophon-foot {
  border-top: var(--hair);
}

.foot-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 2rem var(--gutter) 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.5rem 3rem;
  font-size: 0.9375rem;
}

.foot-inner p {
  margin: 0;
}

.foot-name {
  font-family: var(--caps);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: 0.03em;
}

.foot-client:empty {
  display: none;
}

.foot-client a {
  display: inline-block;
  padding: 0.6rem 0;
}

/* ---------- Narrow screens ---------- */

@media (max-width: 960px) {
  .plate-hero,
  .specimen-grid,
  .card-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .plate-figure {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }

  .callouts {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .masthead-inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .strapline {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: start;
  }

  .brand-name {
    font-size: 1rem;
  }

  .plate-index ol {
    grid-template-columns: minmax(0, 1fr);
  }

  .plate-index li + li {
    border-left: 0;
    border-top: var(--hair);
  }

  .index-tile,
  .plate-index li:first-child .index-tile {
    padding: 1.25rem 0;
  }

  .study-body.numbered {
    margin-left: 0;
  }

  .study-body.numbered h2 {
    padding-left: 3rem;
  }

  .study-body.numbered h2::before {
    left: 0;
  }

  .study-body.numbered h2::after {
    display: none;
  }

  .foot-inner {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* Desktop menu */
@media (min-width: 75rem) {
  .masthead-inner { grid-template-columns: auto 1fr; padding-bottom: 0; }
  .masthead-menu { grid-column: 1 / -1; grid-row: 2; border-top: var(--hair-faint); }
  .site-menu > summary { display: none; }
  .site-menu::details-content { content-visibility: visible; }
  .site-menu > ul {
    position: static;
    display: flex;
    justify-content: space-between;
    gap: 1.25rem;
    min-width: 0;
    padding: 0;
    background: none;
    border: 0;
    counter-reset: plate;
  }
  .site-menu li + li { border-top: 0; }
  .site-menu li { counter-increment: plate; }
  .site-menu a {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    padding: 0.55rem 0;
    font-family: var(--caps);
    font-weight: 600;
    font-size: 1.0625rem;
    letter-spacing: 0.04em;
    white-space: nowrap;
  }
  .site-menu a::before {
    content: "Pl. " counter(plate, upper-roman);
    font-family: var(--sans);
    font-weight: 300;
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
    color: var(--fg-light-base-muted);
  }
}

section[data-section] > .bg-surface-card { padding: clamp(1.25rem, 4vw, 2.25rem); }
section[data-section] > .bg-surface-card > :first-child { margin-top: 0; }
section[data-section] > .bg-surface-card > :last-child { margin-bottom: 0; }