@font-face { font-family: 'Unbounded'; font-style: normal; font-weight: 200; font-display: swap; src: url("/assets/fonts/unbounded-latin-200-normal.woff2") format("woff2"); }
@font-face { font-family: 'Unbounded'; font-style: normal; font-weight: 300; font-display: swap; src: url("/assets/fonts/unbounded-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: 'Unbounded'; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/unbounded-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Unbounded'; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/unbounded-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Unbounded'; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/unbounded-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: 'Unbounded'; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/unbounded-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: 'Unbounded'; font-style: normal; font-weight: 800; font-display: swap; src: url("/assets/fonts/unbounded-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: 'Unbounded'; font-style: normal; font-weight: 900; font-display: swap; src: url("/assets/fonts/unbounded-latin-900-normal.woff2") format("woff2"); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 100; font-display: swap; src: url("/assets/fonts/lexend-latin-100-normal.woff2") format("woff2"); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 200; font-display: swap; src: url("/assets/fonts/lexend-latin-200-normal.woff2") format("woff2"); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 300; font-display: swap; src: url("/assets/fonts/lexend-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/lexend-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/lexend-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/lexend-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/lexend-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 800; font-display: swap; src: url("/assets/fonts/lexend-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 900; font-display: swap; src: url("/assets/fonts/lexend-latin-900-normal.woff2") format("woff2"); }
@font-face { font-family: 'Martian Mono'; font-style: normal; font-weight: 100; font-display: swap; src: url("/assets/fonts/martian-mono-latin-100-normal.woff2") format("woff2"); }
@font-face { font-family: 'Martian Mono'; font-style: normal; font-weight: 200; font-display: swap; src: url("/assets/fonts/martian-mono-latin-200-normal.woff2") format("woff2"); }
@font-face { font-family: 'Martian Mono'; font-style: normal; font-weight: 300; font-display: swap; src: url("/assets/fonts/martian-mono-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: 'Martian Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/martian-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Martian Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/martian-mono-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Martian Mono'; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/martian-mono-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: 'Martian Mono'; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/martian-mono-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: 'Martian Mono'; font-style: normal; font-weight: 800; font-display: swap; src: url("/assets/fonts/martian-mono-latin-800-normal.woff2") format("woff2"); }
:root {
  --bg-dark-base: #0d1130;
  --fg-dark-base-body: #cdd2f1;
  --fg-dark-base-heading: #eef0ff;
  --fg-dark-base-muted: #a7aed8;
  --fg-dark-base-link: #62e2f0;
  --fg-dark-base-inverse: #d3c7ff;
  --bg-dark-card: #151a42;
  --fg-dark-card-body: #cdd2f1;
  --fg-dark-card-heading: #eef0ff;
  --fg-dark-card-muted: #a7aed8;
  --fg-dark-card-link: #62e2f0;
  --fg-dark-card-inverse: #d3c7ff;
  --bg-dark-elevated: #1d2353;
  --fg-dark-elevated-body: #cdd2f1;
  --fg-dark-elevated-heading: #eef0ff;
  --fg-dark-elevated-muted: #a7aed8;
  --fg-dark-elevated-link: #62e2f0;
  --fg-dark-elevated-inverse: #d3c7ff;
  --brand-dark-accent: #62e2f0;
  --brand-dark-accent-hover: #b0f4fa;
  --brand-dark-on-accent: #0a0e27;
  --focus-dark-ring: #62e2f0;
  --border-dark-default: #7b84c6;
  --border-dark-subtle: #283069;
}
.bg-surface-base { background: var(--bg-dark-base); --fg-body: var(--fg-dark-base-body); --fg-heading: var(--fg-dark-base-heading); --fg-muted: var(--fg-dark-base-muted); --fg-link: var(--fg-dark-base-link); --fg-inverse: var(--fg-dark-base-inverse); }
.bg-surface-card { background: var(--bg-dark-card); --fg-body: var(--fg-dark-card-body); --fg-heading: var(--fg-dark-card-heading); --fg-muted: var(--fg-dark-card-muted); --fg-link: var(--fg-dark-card-link); --fg-inverse: var(--fg-dark-card-inverse); }
.bg-surface-elevated { background: var(--bg-dark-elevated); --fg-body: var(--fg-dark-elevated-body); --fg-heading: var(--fg-dark-elevated-heading); --fg-muted: var(--fg-dark-elevated-muted); --fg-link: var(--fg-dark-elevated-link); --fg-inverse: var(--fg-dark-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-dark-accent-hover); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--focus-dark-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-dark-ring); }

/* Assay sheet: midnight indigo graph paper with ruled gridlines, Unbounded
   for headlines, Lexend for reading, Martian Mono for annotations. Cyan marks
   links and focus, violet marks margin notes and the form action. Colours come
   only from the generated token block. */

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

html {
  font-family: 'Lexend', 'Avenir Next', 'Segoe UI', sans-serif;
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body.ax {
  --ax-cell: 1.5rem;
  --ax-line: color-mix(in srgb, var(--border-dark-subtle) 70%, transparent);
  --ax-rule: 1px solid var(--border-dark-default);
  --ax-hair: 1px solid var(--border-dark-subtle);
  --ax-display: 'Unbounded', 'Avenir Next', 'Segoe UI', sans-serif;
  --ax-mono: 'Martian Mono', 'SFMono-Regular', Menlo, Consolas, monospace;
  --ax-max: 76rem;
  --ax-gutter: clamp(1rem, 4vw, 2.5rem);
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 1.0625rem;
  line-height: 1.7;
  background-image:
    linear-gradient(var(--ax-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ax-line) 1px, transparent 1px);
  background-size: var(--ax-cell) var(--ax-cell);
}

.ax-sheet { flex: 1 0 auto; }

.ax-sheet .bg-surface-base { background-color: transparent; }

.ax-frame {
  max-width: var(--ax-max);
  margin: 0 auto;
  padding: 0 var(--ax-gutter);
}

h1, h2, h3, h4 {
  font-family: var(--ax-display);
  color: var(--fg-heading);
  font-weight: 500;
  letter-spacing: -0.015em;
}

a:focus-visible,
summary:focus-visible,
button:focus-visible {
  outline: 2px solid var(--focus-dark-ring);
  outline-offset: 3px;
}

/* ---------- Header: brand cell plus a ruled row of link cells ---------- */

.ax-bench {
  border-bottom: var(--ax-rule);
  background: var(--bg-dark-base);
}

.ax-bench-grid {
  max-width: var(--ax-max);
  margin: 0 auto;
  padding: 0 var(--ax-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.ax-bench-brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0;
  text-decoration: none;
}

.ax-bench-brand .site-logo {
  width: auto;
  height: 2.25rem;
  flex: none;
}

.ax-bench-cells { display: none; }

.ax-bench .site-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-left: var(--ax-hair);
}

.ax-bench .site-nav li { border-right: var(--ax-hair); }

.ax-bench .site-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 4rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.3;
  text-align: center;
  text-wrap: balance;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.ax-bench .site-nav a:hover {
  color: var(--brand-dark-accent-hover);
  border-bottom-color: var(--brand-dark-accent);
  background: var(--bg-dark-card);
}

/* Renderer-owned disclosure menu for narrow screens: a small grid glyph. */
.ax-bench-hatch .site-menu { position: relative; }

.ax-bench-hatch .site-menu > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  min-width: 44px;
  padding: 0.5rem 0.75rem;
  list-style: none;
  font-family: var(--ax-mono);
  font-size: 0.8125rem;
  white-space: nowrap;
  color: var(--brand-dark-accent);
  border: var(--ax-hair);
  cursor: pointer;
}

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

.ax-bench-hatch .menu-icon {
  width: 0.875rem;
  height: 0.875rem;
  border: 1px solid currentColor;
  background-image:
    linear-gradient(currentColor, currentColor),
    linear-gradient(currentColor, currentColor);
  background-size: 100% 1px, 1px 100%;
  background-position: center;
  background-repeat: no-repeat;
}

.ax-bench-hatch .site-menu[open] .menu-icon { background-size: 0 0; }

.ax-bench-hatch .site-menu > ul {
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  z-index: 20;
  min-width: 15rem;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--bg-dark-elevated);
  border: var(--ax-rule);
}

.ax-bench-hatch .site-menu > ul li + li { border-top: var(--ax-hair); }

.ax-bench-hatch .site-menu > ul a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  text-decoration: none;
}

.ax-bench-hatch .site-menu > ul a:hover { text-decoration: underline; text-underline-offset: 0.2em; }

/* ---------- Breadcrumbs ---------- */

.breadcrumbs {
  max-width: var(--ax-max);
  margin: 0 auto;
  padding: 1.25rem var(--ax-gutter) 0;
  font-family: var(--ax-mono);
  font-size: 0.75rem;
  line-height: 1.6;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.625rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li + li::before {
  content: ">";
  margin-right: 0.625rem;
  color: var(--fg-muted);
}

.breadcrumbs a {
  display: inline-block;
  padding: 0.75rem 0;
  text-underline-offset: 0.2em;
}

.breadcrumbs li.text-role-muted { padding: 0.75rem 0; }

/* ---------- Page headings ---------- */

.ax-heading { padding: clamp(2rem, 5vw, 3.5rem) 0 1.75rem; max-width: 52rem; }

.ax-heading h1 {
  margin: 0;
  font-size: clamp(2rem, 1.3rem + 3vw, 3.5rem);
  line-height: 1.1;
  text-wrap: balance;
}

/* ---------- Reading text ---------- */

.ax-text { max-width: 41rem; padding-bottom: 4rem; }

.ax-text > :first-child { margin-top: 0; }

.ax-text p,
.ax-text ul,
.ax-text ol { margin: 0 0 1.25rem; }

.ax-text strong { font-weight: 600; color: var(--fg-heading); }

.ax-text h2 {
  margin: 2.75rem 0 1rem;
  font-size: clamp(1.3125rem, 1.1rem + 0.9vw, 1.6875rem);
  line-height: 1.25;
}

.ax-text h3 {
  margin: 2rem 0 0.75rem;
  font-size: 1.125rem;
  line-height: 1.35;
}

.ax-text ul,
.ax-text ol { padding-left: 1.5rem; }

.ax-text li { margin-bottom: 0.5rem; padding-left: 0.25rem; }

.ax-text ul li::marker { color: var(--brand-dark-accent); }

.ax-text ol li::marker { font-family: var(--ax-mono); font-size: 0.875em; color: var(--brand-dark-accent); }

.ax-text a.text-role-link { text-decoration-thickness: 1px; text-underline-offset: 0.2em; }

.ax-text a.text-role-link:hover { color: var(--brand-dark-accent-hover); }

/* Photo-section overlay card: even inner padding on every side. */
section[data-section][style] > .bg-surface-card { padding: clamp(1.25rem, 3vw, 2rem); }

section[data-section][style] > .bg-surface-card > :first-child { margin-top: 0; }

section[data-section][style] > .bg-surface-card > :last-child { margin-bottom: 0; }

.ax-text blockquote {
  margin: 1.5rem 0;
  padding: 0.25rem 0 0.25rem 1.25rem;
  border-left: 2px solid var(--fg-inverse);
}

.ax-text .table-scroll { overflow-x: auto; margin: 0 0 1.5rem; }

.ax-text table { border-collapse: collapse; width: 100%; font-size: 0.9375rem; }

.ax-text th,
.ax-text td {
  padding: 0.625rem 0.75rem;
  border: var(--ax-hair);
  text-align: left;
  vertical-align: top;
}

.ax-text th { font-family: var(--ax-mono); font-size: 0.8125rem; font-weight: 500; }

.ax-text figure,
.photo-hero { margin: 0 0 2rem; }

.ax-text img,
.photo-hero img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--ax-rule);
}

.ax-text figcaption {
  margin-top: 0.5rem;
  font-family: var(--ax-mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* Margin rule: a violet line down the left edge of topic text. */
.ax-text-margin {
  padding-left: 1.25rem;
  border-left: 1px solid var(--fg-inverse);
}

/* Methods page: section headings carry a mono section index. */
.ax-text-sections { counter-reset: ax-sec; }

.ax-text-sections h2 { counter-increment: ax-sec; display: flex; gap: 0.875rem; align-items: baseline; }

.ax-text-sections h2::before {
  content: "\00A7" counter(ax-sec);
  flex: none;
  font-family: var(--ax-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--brand-dark-accent);
}

/* ---------- Home ---------- */

.ax-plate {
  padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(2rem, 5vw, 3.5rem);
  border-bottom: var(--ax-hair);
}

.ax-plate-grid { display: grid; gap: 2.25rem; }

.ax-headline h1 {
  margin: 0;
  font-family: var(--ax-display);
  font-size: clamp(2.25rem, 1rem + 5vw, 4.75rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
  max-width: 13ch;
  color: inherit;
}

.ax-margin {
  margin: 0;
  padding: 0;
  list-style: none;
  border: var(--ax-rule);
  align-self: end;
}

.ax-margin .display-line {
  margin: 0;
  position: relative;
  padding: 1rem 1.25rem 1rem 2.75rem;
  font-size: 1rem;
  line-height: 1.55;
}

.ax-margin .display-line + .display-line { border-top: var(--ax-hair); }

.ax-margin .display-line::before {
  content: "";
  position: absolute;
  left: 1.25rem;
  top: 1.5rem;
  width: 0.5rem;
  height: 0.5rem;
  border: 1px solid var(--fg-inverse);
  transform: rotate(45deg);
}

.ax-study { padding: clamp(2.5rem, 6vw, 4rem) 0 0; }

.ax-study-grid { display: grid; gap: 2.5rem; align-items: start; }

.ax-register { border: var(--ax-rule); margin-bottom: 3rem; }

.ax-register-head {
  margin: 0;
  padding: 0.875rem 1.25rem;
  font-family: var(--ax-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--fg-inverse);
  border-bottom: var(--ax-rule);
}

.ax-register-list { margin: 0; padding: 0; list-style: none; }

.ax-register-list li + li { border-top: var(--ax-hair); }

.ax-register-entry {
  display: grid;
  gap: 0.25rem;
  min-height: 44px;
  padding: 0.875rem 1.25rem;
  text-decoration: none;
}

.ax-register-name {
  font-family: var(--ax-display);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.3;
}

.ax-register-count { font-family: var(--ax-mono); font-size: 0.75rem; }

.ax-register-entry:hover { background: var(--bg-dark-elevated); }

.ax-register-entry:hover .ax-register-name { text-decoration: underline; text-underline-offset: 0.2em; }

.ax-field { border-top: var(--ax-rule); }

.ax-field-link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding: clamp(1.75rem, 4vw, 2.75rem) 0;
  text-decoration: none;
}

.ax-field-name {
  font-family: var(--ax-display);
  font-size: clamp(1.25rem, 1rem + 1.2vw, 1.875rem);
  font-weight: 400;
  line-height: 1.2;
}

.ax-field-sub { font-family: var(--ax-mono); font-size: 0.8125rem; }

.ax-field-link:hover .ax-field-name { color: var(--brand-dark-accent-hover); text-decoration: underline; text-underline-offset: 0.2em; }

/* ---------- Topic index: questions as ruled cells ---------- */

.ax-entries { border: var(--ax-rule); margin-bottom: 3rem; }

.ax-entries ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--border-dark-subtle);
}

.ax-entries li { background: var(--bg-dark-card); }

.ax-entries a {
  display: block;
  height: 100%;
  min-height: 44px;
  padding: 0.875rem 1.125rem;
  font-size: 0.9375rem;
  line-height: 1.45;
  text-decoration: none;
}

.ax-entries a:hover { background: var(--bg-dark-elevated); text-decoration: underline; text-underline-offset: 0.2em; }

/* ---------- Geo sheet ---------- */

.ax-map-sheet {
  margin: 2rem 0 4rem;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  border: var(--ax-rule);
  background-image:
    linear-gradient(var(--ax-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ax-line) 1px, transparent 1px);
  background-size: calc(var(--ax-cell) * 2) calc(var(--ax-cell) * 2);
}

.ax-map-title { border-bottom: var(--ax-hair); margin-bottom: 2rem; padding-bottom: 1.5rem; }

/* ---------- Question page: the answer card ---------- */

.ax-qa-col { max-width: 50rem; }

.ax-qa-title h1 { font-size: clamp(1.75rem, 1.2rem + 2.4vw, 2.75rem); line-height: 1.15; }

.ax-answer {
  margin-bottom: 4rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: var(--ax-rule);
  border-top: 3px solid var(--brand-dark-accent);
}

.ax-answer .ax-text { padding-bottom: 0; }

.ax-answer .ax-text > :last-child { margin-bottom: 0; }

/* ---------- Contact: the specimen form ---------- */

.ax-specimen-grid { display: grid; gap: 2rem; align-items: start; }

.ax-form {
  display: grid;
  gap: 1.5rem;
  margin: 0 0 4rem;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border: var(--ax-rule);
  background-image:
    linear-gradient(var(--ax-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ax-line) 1px, transparent 1px);
  background-size: var(--ax-cell) var(--ax-cell);
}

.ax-form-row { display: grid; gap: 0.5rem; }

.ax-form-label { font-family: var(--ax-mono); font-size: 0.8125rem; font-weight: 500; }

.ax-form-input {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 0.875rem;
  font: inherit;
  font-size: 1rem;
  color: var(--fg-heading);
  background: var(--bg-dark-base);
  border: var(--ax-rule);
  border-radius: 0;
}

.ax-form-input:focus-visible {
  outline: 2px solid var(--brand-dark-accent);
  outline-offset: 2px;
  border-color: var(--brand-dark-accent);
}

.ax-form-send {
  justify-self: start;
  min-height: 48px;
  padding: 0.75rem 1.75rem;
  font-family: var(--ax-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--brand-dark-on-accent);
  background: var(--fg-inverse);
  border: 1px solid var(--fg-inverse);
  border-radius: 0;
  cursor: pointer;
}

.ax-form-send:hover { background: var(--fg-heading); border-color: var(--fg-heading); }

/* ---------- Confirmation and plain pages ---------- */

.ax-entry-col { max-width: 46rem; }

/* ---------- Footer: a ruled specimen label ---------- */

.ax-ledger { border-top: var(--ax-rule); }

.ax-ledger-table {
  max-width: var(--ax-max);
  margin: 0 auto;
  padding: 2rem var(--ax-gutter);
  display: grid;
}

.ax-ledger-cell { margin: 0; padding: 1.25rem 0; }

.ax-ledger-cell + .ax-ledger-cell { border-top: var(--ax-hair); }

.ax-ledger-name {
  margin: 0 0 0.375rem;
  font-family: var(--ax-display);
  font-size: 1rem;
  font-weight: 600;
}

.ax-ledger-line { margin: 0; font-family: var(--ax-mono); font-size: 0.8125rem; line-height: 1.7; }

.ax-ledger-routes {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 1.5rem;
}

.ax-ledger-routes a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.9375rem;
  text-underline-offset: 0.2em;
}

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

@media (min-width: 48rem) {
  .ax-entries ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ax-ledger-routes { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 64rem) {
  .ax-bench-grid { display: grid; grid-template-columns: minmax(12rem, 15rem) minmax(0, 1fr); gap: 0 1.5rem; }
  .ax-bench-cells { display: block; }
  .ax-bench-hatch { display: none; }
  .ax-plate-grid { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 4rem; align-items: end; }
  .ax-study-grid { grid-template-columns: minmax(0, 41rem) minmax(0, 21rem); justify-content: space-between; gap: 4rem; }
  .ax-register { position: sticky; top: 1.5rem; }
  .ax-specimen-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 26rem); gap: 4rem; }
  .ax-specimen-grid .ax-form { margin-top: clamp(2rem, 5vw, 3.5rem); }
  .ax-entries ul { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ax-ledger-table { width: calc(100% - 2 * var(--ax-gutter)); max-width: calc(var(--ax-max) - 2 * var(--ax-gutter)); grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); border: var(--ax-hair); margin-top: 2rem; margin-bottom: 2rem; padding: 0; }
  .ax-ledger-cell { padding: 1.5rem 1.75rem; }
  .ax-ledger-cell + .ax-ledger-cell { border-top: 0; border-left: var(--ax-hair); }
}