@font-face { font-family: 'Bodoni Moda'; font-style: italic; font-weight: 400; font-display: swap; src: url("/assets/fonts/bodoni-moda-latin-400-italic.woff2") format("woff2"); }
@font-face { font-family: 'Bodoni Moda'; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/bodoni-moda-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Bodoni Moda'; font-style: italic; font-weight: 500; font-display: swap; src: url("/assets/fonts/bodoni-moda-latin-500-italic.woff2") format("woff2"); }
@font-face { font-family: 'Bodoni Moda'; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/bodoni-moda-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Bodoni Moda'; font-style: italic; font-weight: 600; font-display: swap; src: url("/assets/fonts/bodoni-moda-latin-600-italic.woff2") format("woff2"); }
@font-face { font-family: 'Bodoni Moda'; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/bodoni-moda-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: 'Bodoni Moda'; font-style: italic; font-weight: 700; font-display: swap; src: url("/assets/fonts/bodoni-moda-latin-700-italic.woff2") format("woff2"); }
@font-face { font-family: 'Bodoni Moda'; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/bodoni-moda-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: 'Bodoni Moda'; font-style: italic; font-weight: 800; font-display: swap; src: url("/assets/fonts/bodoni-moda-latin-800-italic.woff2") format("woff2"); }
@font-face { font-family: 'Bodoni Moda'; font-style: normal; font-weight: 800; font-display: swap; src: url("/assets/fonts/bodoni-moda-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: 'Bodoni Moda'; font-style: italic; font-weight: 900; font-display: swap; src: url("/assets/fonts/bodoni-moda-latin-900-italic.woff2") format("woff2"); }
@font-face { font-family: 'Bodoni Moda'; font-style: normal; font-weight: 900; font-display: swap; src: url("/assets/fonts/bodoni-moda-latin-900-normal.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: italic; font-weight: 200; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-200-italic.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: normal; font-weight: 200; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-200-normal.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: italic; font-weight: 300; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-300-italic.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: normal; font-weight: 300; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: italic; font-weight: 400; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-400-italic.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: italic; font-weight: 500; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-500-italic.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: italic; font-weight: 600; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-600-italic.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: italic; font-weight: 700; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-700-italic.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: italic; font-weight: 800; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-800-italic.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: normal; font-weight: 800; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: italic; font-weight: 900; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-900-italic.woff2") format("woff2"); }
@font-face { font-family: 'Crimson Pro'; font-style: normal; font-weight: 900; font-display: swap; src: url("/assets/fonts/crimson-pro-latin-900-normal.woff2") format("woff2"); }
:root {
  --bg-light-base: #f1f4ef;
  --fg-light-base-body: #0d2a2e;
  --fg-light-base-heading: #0d2a2e;
  --fg-light-base-muted: #3a5a5d;
  --fg-light-base-link: #0b5d63;
  --fg-light-base-inverse: #0d2a2e;
  --bg-light-card: #fafbf8;
  --fg-light-card-body: #0d2a2e;
  --fg-light-card-heading: #0d2a2e;
  --fg-light-card-muted: #3a5a5d;
  --fg-light-card-link: #0b5d63;
  --fg-light-card-inverse: #0d2a2e;
  --bg-light-elevated: #e2eae5;
  --fg-light-elevated-body: #0d2a2e;
  --fg-light-elevated-heading: #0d2a2e;
  --fg-light-elevated-muted: #3a5a5d;
  --fg-light-elevated-link: #0b5d63;
  --fg-light-elevated-inverse: #0d2a2e;
  --brand-light-accent: #0b5d63;
  --brand-light-accent-hover: #07434a;
  --brand-light-on-accent: #ffffff;
  --focus-light-ring: #0b5d63;
  --border-light-default: #5a8486;
  --border-light-subtle: #c4d5d0;
}
.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); }
:where(section[data-section][style] > .bg-surface-card) { padding: clamp(1rem, 3vw, 2rem); }
:where(section[data-section][style] > .bg-surface-card > :first-child) { margin-top: 0; }
:where(section[data-section][style] > .bg-surface-card > :last-child) { margin-bottom: 0; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { position: static; padding: 0.25rem 0.5rem; outline: 2px solid var(--focus-light-ring); }

:root {
  --didone: 'Bodoni Moda', Didot, 'Bodoni 72', 'Bodoni MT', Georgia, serif;
  --book: 'Crimson Pro', 'Iowan Old Style', Georgia, serif;
  --ink: var(--brand-light-accent);
  --coral: #c4513a;
  --hair: 1px solid var(--border-light-default);
  --hair-soft: 1px solid var(--border-light-subtle);
  --column: 36rem;
  --gutter: clamp(1rem, 4.5vw, 3rem);
  --rail: 16.5rem;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--book);
  font-size: 1.1875rem;
  line-height: 1.6;
  font-kerning: normal;
  font-variant-numeric: oldstyle-nums;
}

a {
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--brand-light-accent-hover);
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 2px solid var(--focus-light-ring);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 50;
  padding: 0.6rem 1rem;
  background: var(--bg-light-card);
  border: var(--hair);
}

.skip-link:focus {
  top: 1rem;
}

/* ---------- Rail header (top bar on small screens) ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: var(--hair);
}

.rail-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem var(--gutter);
}

.brand {
  display: inline-flex;
  min-width: 0;
  text-decoration: none;
}

.brand .site-logo {
  display: block;
  width: 10.5rem;
  height: auto;
}

.rail-plates {
  display: none;
}

.rail-toggle {
  position: relative;
  flex: none;
}

.site-menu > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  padding: 0.35rem 0.85rem;
  border: var(--hair);
  border-radius: 999px;
  font-family: var(--didone);
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
}

.site-menu > summary::-webkit-details-marker {
  display: none;
}

.menu-icon {
  position: relative;
  width: 0.95rem;
  height: 0.95rem;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}

.menu-icon::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.3rem;
  height: 0.3rem;
  margin: -0.15rem 0 0 -0.15rem;
  border-radius: 50%;
  background: var(--coral);
}

.site-menu[open] > summary {
  border-color: var(--coral);
}

.site-menu > ul {
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  width: min(19rem, calc(100vw - 2rem));
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
  margin: 0;
  padding: 0.5rem 0;
  list-style: none;
  background: var(--bg-light-card);
  border: var(--hair);
}

.site-menu ul a {
  display: block;
  padding: 0.55rem 1rem;
  text-decoration: none;
  line-height: 1.3;
}

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

.site-menu > ul > li > a {
  font-family: var(--didone);
  font-weight: 600;
}

.site-menu > ul ul {
  list-style: none;
  margin: 0 0 0.4rem;
  padding: 0 0 0 1rem;
  border-left: var(--hair-soft);
  margin-left: 1rem;
  font-size: 1rem;
}

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

.atlas-leaf {
  flex: 1 0 auto;
  min-width: 0;
}

.breadcrumbs {
  padding: 1.1rem var(--gutter) 0;
  font-size: 0.95rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li + li::before {
  content: '/';
  margin: 0 0.55rem;
  color: var(--border-light-default);
}

.atlas-page {
  padding: clamp(1.5rem, 4vw, 3.5rem) var(--gutter) clamp(3rem, 7vw, 5.5rem);
}

.atlas-page h1 {
  margin: 0;
  font-family: var(--didone);
  font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  text-wrap: balance;
  font-variant-numeric: lining-nums;
}

/* ---------- Book column prose ---------- */

.book-column {
  max-width: var(--column);
}

.book-column > :first-child {
  margin-top: 0;
}

.book-column p,
.book-column ul,
.book-column ol {
  margin: 0 0 1.05em;
}

.book-column ul,
.book-column ol {
  padding-left: 1.3em;
}

.book-column li {
  margin-bottom: 0.45em;
}

.book-column li::marker {
  color: var(--coral);
}

.book-column h2 {
  margin: 2.2em 0 0.6em;
  font-family: var(--didone);
  font-weight: 600;
  font-size: 1.55rem;
  line-height: 1.2;
  text-wrap: balance;
}

.book-column h3 {
  margin: 1.6em 0 0.4em;
  font-family: var(--didone);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.25;
}

.book-column blockquote {
  margin: 1.4em 0;
  padding: 0.2em 0 0.2em 1.2em;
  border-left: 2px solid var(--coral);
  font-style: italic;
}

.book-column strong {
  font-weight: 600;
}

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

.book-column img {
  display: block;
  width: 100%;
  height: auto;
}

.book-column .photo-hero img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

section[data-section] {
  background-size: cover;
  background-position: center;
  padding: clamp(1.5rem, 5vw, 3rem);
}

/* ---------- Line drawings ---------- */

.plate-drawing,
.specimen-drawing,
.end-drawing {
  display: block;
  width: 100%;
  height: auto;
  color: var(--ink);
}

.plate-drawing path,
.specimen-drawing path,
.end-drawing path {
  stroke-width: 1.2;
}

.plate-drawing .ink-heavy,
.specimen-drawing .ink-heavy,
.end-drawing .ink-heavy {
  stroke-width: 2.4;
}

.plate-drawing .ink-fine,
.specimen-drawing .ink-fine,
.end-drawing .ink-fine {
  stroke-width: 0.8;
}

.ink-coral,
.ink-coral circle {
  stroke: var(--coral);
  stroke-width: 1.6;
}

/* ---------- Home: frontispiece ---------- */

.frontispiece {
  display: grid;
  gap: 2rem;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.front-plate {
  align-self: start;
  margin: 0;
  padding: 1.25rem 1.25rem 0.9rem;
  border: var(--hair);
  outline: 1px solid var(--border-light-subtle);
  outline-offset: 5px;
}

.front-plate .plate-drawing {
  max-width: 22rem;
  margin: 0 auto;
}

.plate-caption {
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  border-top: var(--hair-soft);
  font-family: var(--didone);
  font-style: italic;
  font-size: 1rem;
  text-align: center;
}

.front-title {
  align-self: center;
}

.page-home h1 {
  font-size: clamp(2.3rem, 5.6vw, 4.1rem);
  line-height: 1.04;
}

.front-lines {
  margin-top: 1.4rem;
  max-width: 32rem;
}

.front-lines .display-line {
  margin: 0 0 0.6rem;
}

.front-lines .display-line:first-child {
  font-size: 1.3rem;
  line-height: 1.45;
}

.plate-index {
  margin-top: 2rem;
  max-width: 30rem;
  border-top: var(--hair);
}

.index-head {
  margin: 0.8rem 0 0.4rem;
  font-family: var(--didone);
  font-style: italic;
  font-size: 1.05rem;
}

.plate-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: front-plate;
}

.plate-index li {
  counter-increment: front-plate;
  display: grid;
  grid-template-columns: 3rem 1fr;
  align-items: baseline;
  border-bottom: var(--hair-soft);
}

.plate-index li::before {
  content: counter(front-plate, upper-roman);
  font-family: var(--didone);
  font-weight: 600;
  color: var(--coral);
  font-variant-numeric: lining-nums;
}

.plate-index a {
  display: block;
  padding: 0.55rem 0;
  font-family: var(--didone);
  font-weight: 500;
  font-size: 1.1rem;
  line-height: 1.3;
  text-decoration: none;
}

.plate-index a:hover {
  text-decoration: underline;
}

.home-body {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Topic hub: plate gallery ---------- */

.hub-head {
  max-width: 46rem;
  padding-bottom: 1.4rem;
  border-bottom: var(--hair);
}

.plate-gallery {
  margin: 2rem 0 3rem;
  padding: clamp(1rem, 3vw, 1.75rem);
  border: var(--hair-soft);
}

.gallery-head {
  margin: 0 0 1.1rem;
  font-family: var(--didone);
  font-style: italic;
  font-weight: 500;
  font-size: 1.15rem;
}

.gallery-grid ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13.5rem, 1fr));
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: plate;
}

.gallery-grid li {
  position: relative;
  counter-increment: plate;
  padding: calc(9rem + 1.4rem) 0.9rem 1rem;
  border: var(--hair);
}

.gallery-grid li::before {
  content: '';
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  top: 0.7rem;
  height: 9rem;
  border-bottom: var(--hair-soft);
  background:
    radial-gradient(circle at 22% 120%, transparent 56%, var(--coral) 56.6%, var(--coral) 57.4%, transparent 58%) no-repeat,
    radial-gradient(circle at 30% 135%, transparent 62%, var(--ink) 62.6%, var(--ink) 64%, transparent 64.6%) no-repeat,
    radial-gradient(circle at 78% -30%, transparent 58%, var(--ink) 58.6%, var(--ink) 59.4%, transparent 60%) no-repeat,
    radial-gradient(circle at 105% 110%, transparent 48%, var(--ink) 48.6%, var(--ink) 49.4%, transparent 50%) no-repeat;
}

.gallery-grid li:nth-child(3n + 2)::before {
  background:
    radial-gradient(circle at 50% 135%, transparent 60%, var(--ink) 60.6%, var(--ink) 62%, transparent 62.6%) no-repeat,
    radial-gradient(circle at 0% -20%, transparent 54%, var(--ink) 54.6%, var(--ink) 55.4%, transparent 56%) no-repeat,
    radial-gradient(circle at 100% -10%, transparent 50%, var(--ink) 50.6%, var(--ink) 51.4%, transparent 52%) no-repeat,
    radial-gradient(circle at 50% 62%, transparent 9%, var(--coral) 9.6%, var(--coral) 11%, transparent 11.6%) no-repeat;
}

.gallery-grid li:nth-child(3n)::before {
  background:
    radial-gradient(circle at 120% 50%, transparent 66%, var(--ink) 66.6%, var(--ink) 68%, transparent 68.6%) no-repeat,
    radial-gradient(circle at -15% 120%, transparent 52%, var(--ink) 52.6%, var(--ink) 53.4%, transparent 54%) no-repeat,
    radial-gradient(circle at 60% -40%, transparent 56%, var(--coral) 56.6%, var(--coral) 57.4%, transparent 58%) no-repeat,
    radial-gradient(circle at -10% -10%, transparent 40%, var(--ink) 40.6%, var(--ink) 41.4%, transparent 42%) no-repeat;
}

.gallery-grid a {
  display: block;
  font-family: var(--didone);
  font-weight: 500;
  font-size: 1.12rem;
  line-height: 1.3;
  text-decoration: none;
}

.gallery-grid a::before {
  content: 'Plate ' counter(plate, upper-roman);
  display: block;
  margin-bottom: 0.3rem;
  font-style: italic;
  font-weight: 400;
  font-size: 0.95rem;
  font-variant-numeric: lining-nums;
}

.gallery-grid a::after {
  content: '';
  position: absolute;
  inset: 0;
}

.gallery-grid li:hover {
  border-color: var(--coral);
}

.gallery-grid a:hover {
  text-decoration: underline;
}

.gallery-grid li:has(a:focus-visible) {
  outline: 2px solid var(--focus-light-ring);
  outline-offset: 3px;
}

.gallery-grid a:focus-visible {
  outline: none;
}

/* ---------- Article: annotated plate ---------- */

.annotated-head {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.callout-plate {
  position: relative;
  margin: 0;
  padding: 1rem;
  border: var(--hair);
  max-width: 34rem;
}

.callout-marks {
  margin: 0;
  padding: 0;
  list-style: none;
}

.callout-marks li {
  position: absolute;
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border: 1.5px solid var(--coral);
  border-radius: 50%;
  background: var(--bg-light-card);
  font-family: var(--didone);
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1;
  font-variant-numeric: lining-nums;
}

.callout-marks .mark-1 { left: 6%; top: 34%; }
.callout-marks .mark-2 { left: 26%; top: 70%; }
.callout-marks .mark-3 { left: 44%; top: 46%; }
.callout-marks .mark-4 { left: 62%; top: 12%; }
.callout-marks .mark-5 { left: 84%; top: 60%; }

.page-article:not(:has(.keyed-body > h2:nth-of-type(5))) .mark-5 {
  display: none;
}

.article-title {
  align-self: end;
  max-width: 40rem;
}

.keyed-body {
  counter-reset: callout;
}

.keyed-body > h2 {
  counter-increment: callout;
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  align-items: baseline;
  column-gap: 0.6rem;
}

.keyed-body > h2::before {
  content: counter(callout);
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1.5px solid var(--coral);
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 700;
  font-variant-numeric: lining-nums;
  transform: translateY(-0.15rem);
}

/* ---------- About: foreword ---------- */

.foreword-head {
  max-width: var(--column);
  margin: 0 auto 2rem;
  text-align: center;
}

.foreword-head h1 {
  font-size: clamp(2.3rem, 5.4vw, 3.8rem);
}

.foreword-body {
  margin: 0 auto;
}

.foreword-body > p:first-of-type {
  font-size: 1.3rem;
  line-height: 1.5;
}

.foreword-body > h2 {
  position: relative;
  padding-top: 2.6rem;
  text-align: center;
}

.foreword-body > h2::before {
  content: '';
  position: absolute;
  top: 0.55rem;
  left: 50%;
  width: 7rem;
  margin-left: -3.5rem;
  border-top: 1px solid var(--coral);
}

.foreword-body > h2::after {
  content: '';
  position: absolute;
  top: 0.2rem;
  left: 50%;
  width: 0.7rem;
  height: 0.7rem;
  margin-left: -0.35rem;
  background: var(--bg-light-base);
  border: 1px solid var(--coral);
  transform: rotate(45deg);
}

/* ---------- Contact: specimen label form ---------- */

.contact-split {
  display: grid;
  gap: 2.5rem;
}

.contact-head {
  margin-bottom: 1.25rem;
}

.specimen-drawing {
  max-width: 12rem;
  margin: 0 0 1.5rem;
}

.specimen-form {
  align-self: start;
  margin: 0;
  padding: 1.25rem;
  border: var(--hair);
  outline: 1px solid var(--border-light-subtle);
  outline-offset: 5px;
}

.specimen-field {
  margin: 0 0 1rem;
  padding: 0.55rem 0.8rem 0.65rem;
  border: 1px solid var(--ink);
}

.specimen-field label {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--didone);
  font-style: italic;
  font-size: 1rem;
}

.specimen-field input {
  display: block;
  width: 100%;
  min-height: 2.6rem;
  padding: 0.35rem 0.1rem;
  border: 0;
  border-bottom: var(--hair);
  border-radius: 0;
  background: transparent;
  font: inherit;
  color: inherit;
}

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

.specimen-actions {
  margin: 1.4rem 0 0;
}

.specimen-button {
  min-height: 2.9rem;
  padding: 0.55rem 1.5rem;
  border: 0;
  border-radius: 999px;
  background: var(--brand-light-accent);
  color: var(--brand-light-on-accent);
  font-family: var(--didone);
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
}

.specimen-button:hover {
  background: var(--brand-light-accent-hover);
}

/* ---------- Thank you: end plate ---------- */

.end-plate {
  max-width: var(--column);
  margin: 0 auto;
  text-align: center;
}

.end-figure {
  margin: 0 auto 1.75rem;
  width: 8rem;
}

.end-caption {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.6rem;
  font-family: var(--didone);
  font-style: italic;
  font-size: 1rem;
  white-space: nowrap;
}

.end-caption::before,
.end-caption::after {
  content: '';
  flex: 1;
  border-top: 1px solid var(--coral);
}

.end-head {
  margin-bottom: 1.75rem;
}

.end-body {
  margin: 0 auto;
  text-align: left;
}

.end-return {
  margin-top: 2.25rem;
  font-family: var(--didone);
  font-size: 1.1rem;
}

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

.site-footer {
  border-top: var(--hair);
}

.footer-inner {
  padding: 1.75rem var(--gutter) 2.25rem;
  max-width: 48rem;
}

.footer-name {
  margin: 0 0 0.3rem;
  font-family: var(--didone);
  font-weight: 600;
  font-size: 1.1rem;
}

.footer-note {
  margin: 0;
  font-size: 1rem;
}

/* ---------- Wider screens ---------- */

@media (min-width: 46rem) {
  .frontispiece {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .annotated-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
  }

  .contact-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .keyed-body > h2:nth-of-type(2),
  .keyed-body > h2:nth-of-type(2) ~ * {
    margin-left: 2rem;
  }

  .keyed-body > h2:nth-of-type(3),
  .keyed-body > h2:nth-of-type(3) ~ * {
    margin-left: 4rem;
  }

  .keyed-body > h2:nth-of-type(4),
  .keyed-body > h2:nth-of-type(4) ~ * {
    margin-left: 6rem;
  }

  .keyed-body > h2:nth-of-type(5),
  .keyed-body > h2:nth-of-type(5) ~ * {
    margin-left: 8rem;
  }

  .keyed-body {
    max-width: calc(var(--column) + 8rem);
  }

  .keyed-body > * {
    max-width: var(--column);
  }
}

@media (min-width: 64rem) {
  body {
    display: grid;
    grid-template-columns: var(--rail) minmax(0, 1fr);
    grid-template-rows: 1fr auto;
  }

  .site-header {
    grid-column: 1;
    grid-row: 1 / span 2;
    height: 100vh;
    overflow-y: auto;
    border-bottom: 0;
    border-right: var(--hair);
  }

  .rail-top {
    display: block;
    padding: 1.75rem 1.25rem 1.25rem;
    border-bottom: var(--hair-soft);
  }

  .brand .site-logo {
    width: 100%;
    max-width: 13.75rem;
  }

  .rail-toggle {
    display: none;
  }

  .rail-plates {
    display: block;
    padding: 1rem 1.25rem 2rem;
  }

  .rail-plates .site-nav > ul {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: rail-plate;
  }

  .rail-plates .site-nav > ul > li {
    border-bottom: var(--hair-soft);
  }

  .rail-plates .site-nav > ul > li:has(details) {
    counter-increment: rail-plate;
  }

  .rail-plates .site-nav > ul > li > a,
  .rail-plates summary {
    display: block;
    padding: 0.7rem 0;
    font-family: var(--didone);
    font-weight: 500;
    font-size: 1.02rem;
    line-height: 1.3;
    text-decoration: none;
  }

  .rail-plates summary {
    position: relative;
    padding-right: 1.4rem;
    cursor: pointer;
    list-style: none;
  }

  .rail-plates summary::-webkit-details-marker {
    display: none;
  }

  .rail-plates summary::before {
    content: 'Plate ' counter(rail-plate, upper-roman);
    display: block;
    font-style: italic;
    font-weight: 400;
    font-size: 0.88rem;
    font-variant-numeric: lining-nums;
  }

  .rail-plates summary::after {
    content: '';
    position: absolute;
    right: 0.2rem;
    top: 50%;
    width: 0.45rem;
    height: 0.45rem;
    margin-top: -0.3rem;
    border-right: 1.5px solid var(--coral);
    border-bottom: 1.5px solid var(--coral);
    transform: rotate(45deg);
  }

  .rail-plates details[open] > summary::after {
    transform: rotate(-135deg);
    margin-top: -0.05rem;
  }

  .rail-plates details ul {
    margin: 0 0 0.8rem;
    padding: 0 0 0 0.8rem;
    list-style: none;
    border-left: 1px solid var(--coral);
  }

  .rail-plates details li a {
    display: block;
    padding: 0.32rem 0;
    font-size: 0.98rem;
    line-height: 1.3;
    text-decoration: none;
  }

  .rail-plates a:hover,
  .rail-plates summary:hover {
    text-decoration: underline;
  }

  .atlas-leaf {
    grid-column: 2;
    grid-row: 1;
  }

  .site-footer {
    grid-column: 2;
    grid-row: 2;
  }
}