/* MFENX Gate: shared document and instrument system. */
:root {
  --paper: #f5f3ec;
  --ink: #171c18;
  --muted: #565d53;
  --line: #c7c9bd;
  --green: #365e46;
  --violet: #706080;
  --wash: #e9ecdf;
  --error: #942f28;
  --page: 1440px;
  --gutter: 28px;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-size: 18px;
  line-height: 1.55;
}
a {
  color: inherit;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
}
a:hover {
  color: var(--green);
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
textarea,
select {
  touch-action: manipulation;
}
:focus-visible {
  outline: 3px solid var(--violet);
  outline-offset: 5px;
}
::selection {
  color: var(--paper);
  background: var(--green);
}
.skip-link {
  position: fixed;
  left: 20px;
  top: -100px;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 20px;
  z-index: 100;
}
.skip-link:focus {
  top: 12px;
}
.site-header,
.page,
.site-footer {
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: 48px;
}
.site-header {
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.wordmark {
  font-size: 29px;
  font-weight: 800;
  letter-spacing: -1.7px;
  text-decoration: none;
  line-height: 1;
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  font-size: 14px;
}
.site-nav a {
  text-decoration: none;
}
.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 6px;
}
.site-nav a:last-child {
  margin-left: 18px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.035em;
}
h1 {
  font-size: clamp(36px, 4.4vw, 64px);
}
h2 {
  font-size: clamp(28px, 3vw, 42px);
}
h3 {
  font-size: 23px;
  letter-spacing: -0.02em;
}
p + p {
  margin-top: 20px;
}
.mono,
code,
pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
.mono {
  font-size: 0.77em;
  letter-spacing: 0.015em;
}
.muted,
.note {
  color: var(--muted);
}
.note {
  font-size: 14px;
  line-height: 1.5;
}
.section-label {
  font-size: 14px;
  letter-spacing: 0.025em;
}
.reading {
  max-width: 69ch;
}
.reading h2 {
  margin: 64px 0 22px;
}
.reading h3 {
  margin: 36px 0 16px;
}
.reading ul,
.reading ol {
  padding-left: 22px;
}
.reading li {
  margin-block: 10px;
}
.reading p {
  margin-block: 20px;
}
.reading code {
  font-size: 0.85em;
  overflow-wrap: anywhere;
}
.reading pre {
  margin-block: 26px;
}
.button {
  display: inline-block;
  padding: 13px 20px;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  border-radius: 0;
}
.button:hover {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}
.button.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.button.secondary:hover {
  border-color: var(--green);
  color: var(--green);
}
.button:disabled {
  opacity: 0.5;
  cursor: wait;
}
.text-link {
  text-decoration: underline;
  font-size: 15px;
}
.actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px 24px;
  margin-top: 26px;
}
.opening {
  border-top: 1px solid var(--ink);
  padding-top: 30px;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
  min-height: 565px;
}
.opening .imprint {
  grid-column: 1/4;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}
.product-name {
  font-size: 19px;
  letter-spacing: -0.03em;
}
.imprint .edition {
  margin-top: auto;
  margin-bottom: 36px;
  max-width: 190px;
}
.opening .lead {
  grid-column: 5/12;
  padding-top: 50px;
  padding-bottom: 65px;
}
.lead h1 {
  max-width: 650px;
}
.lead p {
  max-width: 550px;
  margin-top: 30px;
  font-size: 20px;
  line-height: 1.55;
}
.lead .actions {
  margin-top: 34px;
}
.opening .index-mark {
  grid-column: 12;
  grid-row: 1;
  justify-self: end;
  font-size: 13px;
  color: var(--violet);
}
.release-line {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  margin-bottom: 110px;
}
.release-line > div {
  padding: 26px 28px 28px 0;
}
.release-line > div + div {
  border-left: 1px solid var(--line);
  padding-left: 28px;
}
.release-line .stage {
  display: flex;
  gap: 24px;
  align-items: baseline;
}
.release-line .stage span {
  font-size: 12px;
  color: var(--violet);
}
.release-line h2 {
  font-size: 24px;
  letter-spacing: -0.03em;
}
.release-line p {
  font-size: 14px;
  margin-top: 12px;
  max-width: 260px;
  color: var(--muted);
}
.specimen-section {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
  margin-bottom: 125px;
}
.specimen-intro {
  grid-column: 1/5;
  padding-top: 24px;
}
.specimen-intro p {
  font-size: 17px;
  margin-top: 24px;
  max-width: 32ch;
}
.specimen {
  grid-column: 6/13;
  background: var(--wash);
  padding: 34px 36px;
  margin: 0;
  border-top: 3px solid var(--green);
}
.specimen-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
  color: var(--green);
  border-bottom: 1px solid #aebba7;
  padding-bottom: 26px;
  margin-bottom: 32px;
}
.specimen h3 {
  font-size: 32px;
  margin-bottom: 24px;
}
.specimen dl {
  margin: 0;
}
.specimen dl > div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 16px;
  border-bottom: 1px solid #c9d1bf;
  padding: 12px 0;
  font-size: 14px;
}
.specimen dt {
  color: var(--muted);
}
.specimen dd {
  margin: 0;
}
.specimen figcaption {
  font-size: 12px;
  margin-top: 30px;
  color: var(--muted);
  max-width: 60ch;
}
.specimen .stamp {
  margin-top: 26px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 14px;
}
.stamp svg {
  flex: 0 0 23px;
  color: var(--green);
}
.argument {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
  padding: 32px 0 70px;
  border-top: 1px solid var(--ink);
}
.argument > .section-label {
  grid-column: 1/4;
}
.argument > .reading {
  grid-column: 5/12;
}
.argument p {
  font-size: 23px;
  line-height: 1.45;
}
.argument .note {
  font-size: 15px;
  margin-top: 26px;
}
.index-section {
  padding: 30px 0 85px;
  border-top: 1px solid var(--ink);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}
.index-section > h2 {
  font-size: 22px;
  grid-column: 1/4;
}
.index-list {
  grid-column: 5/13;
}
.index-row {
  display: grid;
  grid-template-columns: 1fr 1.3fr 26px;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.index-row:first-child {
  padding-top: 0;
}
.index-row strong {
  font-weight: 500;
  font-size: 20px;
  letter-spacing: -0.02em;
}
.index-row span {
  font-size: 14px;
  color: var(--muted);
}
.index-row .arrow {
  font-size: 21px;
  color: var(--green);
  text-align: right;
}
.site-footer {
  border-top: 1px solid var(--ink);
  padding-top: 26px;
  padding-bottom: 40px;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 32px;
  font-size: 13px;
}
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}
.site-footer nav a {
  text-decoration: none;
}
.site-footer .end-note {
  text-align: right;
  color: var(--muted);
}
.document-head {
  border-top: 1px solid var(--ink);
  padding: 36px 0 68px;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}
.document-head > div:first-child {
  grid-column: 1/9;
}
.document-head > aside {
  grid-column: 10/13;
  font-size: 14px;
  color: var(--muted);
}
.document-head h1 {
  font-size: clamp(36px, 4.2vw, 58px);
  max-width: 800px;
}
.document-head p {
  margin-top: 26px;
  max-width: 63ch;
}
.document-head .section-label {
  margin-bottom: 22px;
}
.document-body {
  margin-bottom: 100px;
}
.document-grid {
  display: grid;
  grid-template-columns: 3fr 7fr 2fr;
  gap: var(--gutter);
}
.document-grid .reading {
  grid-column: 2/4;
}
.document-grid .contents {
  font-size: 14px;
  line-height: 2;
}
.contents a {
  display: block;
}
.document-grid .reading > h2:first-child {
  margin-top: 0;
}
.prose-rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 42px 0;
}
pre {
  background: #e9e9e1;
  padding: 22px 24px;
  overflow: auto;
  font-size: 13px;
  line-height: 1.75;
  max-width: 100%;
  tab-size: 2;
}
table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 15px;
}
th {
  font-weight: 600;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 15px 18px 15px 0;
  vertical-align: top;
}
td {
  border-bottom: 1px solid var(--line);
  padding: 20px 18px 20px 0;
  vertical-align: top;
}
caption {
  text-align: left;
  margin-bottom: 20px;
  font-size: 21px;
  letter-spacing: -0.02em;
}
.table-scroll {
  overflow-x: auto;
}
.price-table {
  margin-bottom: 30px;
}
.price-table .amount {
  font-size: 27px;
  letter-spacing: -0.04em;
  white-space: nowrap;
}
.price-table small {
  font-size: 13px;
  color: var(--muted);
  display: block;
}
.price-table th:first-child {
  width: 18%;
}
.price-table th:nth-child(2) {
  width: 22%;
}
.price-table th:last-child {
  width: 19%;
}
.availability {
  font-size: 14px;
  max-width: 80ch;
  margin: 24px 0 70px;
}
.free-line {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 40px;
  align-items: start;
  padding: 28px 0 50px;
  border-top: 1px solid var(--ink);
}
.free-line p {
  font-size: 16px;
}
.free-line .actions {
  margin: 0;
  justify-self: end;
}
.verify-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 60px;
  padding-bottom: 90px;
}
.verify-form {
  min-width: 0;
}
.field {
  margin-bottom: 25px;
}
.field label {
  display: block;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}
.field input[type="file"] {
  display: block;
  width: 100%;
  font-size: 13px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
input::file-selector-button {
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 8px 10px;
  margin-right: 15px;
  font: inherit;
  border-radius: 0;
  cursor: pointer;
}
.field input[type="text"],
.field input[type="url"],
.field select {
  width: 100%;
  min-height: 45px;
  padding: 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 0;
  font-size: 14px;
}
.field .note {
  margin-top: 8px;
  font-size: 13px;
}
.verify-form fieldset {
  border: 0;
  padding: 0;
  margin: 0;
}
.verify-form legend {
  font-size: 20px;
  margin-bottom: 26px;
}
.verify-form details {
  margin-block: 28px;
  font-size: 14px;
}
.verify-form details .field {
  margin-top: 18px;
}
.verify-result {
  min-width: 0;
  background: var(--wash);
  border-top: 3px solid var(--green);
  padding: 30px 34px;
  align-self: start;
}
.verify-result h2 {
  font-size: 32px;
}
.result-eyebrow {
  font-size: 12px;
  margin-bottom: 28px;
  color: var(--green);
}
.result-summary {
  font-size: 15px;
  margin-top: 20px;
  max-width: 52ch;
}
.verification-checks {
  padding: 0;
  list-style: none;
  margin: 28px 0;
}
.verification-checks li {
  display: flex;
  justify-content: space-between;
  gap: 25px;
  padding: 13px 0;
  border-bottom: 1px solid #c6cdbd;
  font-size: 14px;
}
.verification-checks strong {
  font-weight: 500;
  text-align: right;
}
.status-good {
  color: var(--green);
}
.status-error {
  color: var(--error);
}
.result-root {
  font-size: 12px;
  word-break: break-all;
  padding-top: 24px;
  border-top: 1px solid #aebba7;
}
.result-error {
  background: #f0e5dd;
  border-color: var(--error);
}
.result-error .result-eyebrow {
  color: var(--error);
}
.receipt-details {
  font-size: 13px;
  margin-top: 24px;
}
.receipt-details pre {
  padding: 15px;
  max-height: 350px;
  font-size: 11px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.privacy-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: 24px;
}
.instrument-line {
  font-size: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  margin-bottom: 26px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
.plain-button {
  font: inherit;
  background: none;
  border: 0;
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 4px;
  cursor: pointer;
  padding: 0;
}
.hidden,
[hidden] {
  display: none !important;
}
@media (min-width: 1500px) {
  .site-header,
  .page,
  .site-footer {
    padding-inline: 56px;
  }
  .opening {
    min-height: 620px;
  }
  .opening .lead {
    padding-top: 68px;
  }
}
@media (max-width: 980px) {
  .site-header,
  .page,
  .site-footer {
    padding-inline: 30px;
  }
  .site-nav {
    gap: 12px 18px;
  }
  .site-nav a:last-child {
    margin-left: 0;
  }
  .opening .lead {
    grid-column: 5/13;
    padding-top: 30px;
  }
  .opening {
    min-height: 510px;
  }
  .opening .index-mark {
    display: none;
  }
  .specimen {
    grid-column: 5/13;
    padding: 26px;
  }
  .specimen dl > div {
    grid-template-columns: 100px 1fr;
  }
  .verify-layout {
    gap: 30px;
    grid-template-columns: 1fr 1fr;
  }
  .verify-result {
    padding: 26px;
  }
  .site-footer {
    grid-template-columns: 1fr 2fr;
  }
  .site-footer .end-note {
    text-align: left;
    grid-column: 2;
  }
  .free-line {
    grid-template-columns: 1fr 1.5fr;
    gap: 24px;
  }
  .free-line .actions {
    grid-column: 2;
    justify-self: start;
  }
  .document-grid {
    grid-template-columns: 2fr 7fr;
  }
  .document-grid .reading {
    grid-column: 2;
  }
}
@media (max-width: 700px) {
  body {
    font-size: 17px;
  }
  .site-header,
  .page,
  .site-footer {
    padding-inline: 20px;
  }
  .site-header {
    align-items: flex-start;
    padding-top: 28px;
    padding-bottom: 28px;
    gap: 25px;
  }
  .wordmark {
    font-size: 25px;
  }
  .site-nav {
    justify-content: flex-end;
    max-width: 255px;
    gap: 8px 17px;
    font-size: 13px;
  }
  .opening {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    min-height: 0;
    padding-top: 20px;
  }
  .opening .imprint {
    grid-column: 1/5;
    flex-direction: row;
    justify-content: space-between;
    gap: 28px;
  }
  .imprint .edition {
    margin: 0;
    font-size: 12px;
    max-width: 150px;
  }
  .opening .lead {
    grid-column: 1/5;
    padding: 45px 0 60px;
  }
  .lead h1 {
    font-size: 43px;
    max-width: 470px;
  }
  .lead p {
    font-size: 18px;
    max-width: 42ch;
    margin-top: 25px;
  }
  .release-line {
    grid-template-columns: 1fr;
    margin-bottom: 65px;
  }
  .release-line > div {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 20px 0;
  }
  .release-line > div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 20px 0;
  }
  .release-line .stage {
    gap: 14px;
  }
  .release-line h2 {
    font-size: 21px;
  }
  .release-line p {
    margin: 0;
    font-size: 13px;
  }
  .specimen-section {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 68px;
  }
  .specimen-intro,
  .specimen {
    grid-column: 1;
  }
  .specimen-intro {
    padding: 0;
  }
  .specimen-intro p {
    max-width: 50ch;
    margin-top: 20px;
  }
  .specimen {
    padding: 25px 23px;
  }
  .specimen-head {
    padding-bottom: 20px;
    margin-bottom: 25px;
  }
  .specimen h3 {
    font-size: 28px;
  }
  .argument {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 24px 0 55px;
  }
  .argument > .section-label,
  .argument > .reading {
    grid-column: 1;
  }
  .argument p {
    font-size: 21px;
  }
  .index-section {
    grid-template-columns: 1fr;
    gap: 35px;
    padding: 25px 0 55px;
  }
  .index-section > h2,
  .index-list {
    grid-column: 1;
  }
  .index-row {
    grid-template-columns: 1fr 1.2fr 18px;
    gap: 14px;
  }
  .index-row strong {
    font-size: 18px;
  }
  .index-row span {
    font-size: 13px;
  }
  .site-footer {
    grid-template-columns: 1fr;
    gap: 22px;
    font-size: 12px;
  }
  .site-footer .end-note {
    grid-column: 1;
  }
  .document-head {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 25px 0 45px;
  }
  .document-head > div:first-child,
  .document-head > aside {
    grid-column: 1;
  }
  .document-head > aside {
    max-width: 50ch;
  }
  .document-head p {
    font-size: 17px;
    margin-top: 22px;
  }
  .document-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .document-grid .reading {
    grid-column: 1;
  }
  .contents {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 24px;
  }
  .document-body {
    margin-bottom: 60px;
  }
  .verify-layout {
    grid-template-columns: 1fr;
    gap: 44px;
    padding-bottom: 60px;
  }
  .verify-result {
    padding: 25px 23px;
  }
  .free-line {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .free-line .actions {
    grid-column: 1;
  }
  .price-table {
    min-width: 700px;
  }
  .availability {
    margin-bottom: 50px;
  }
  .reading pre {
    padding: 18px;
    font-size: 12px;
  }
  .field input[type="file"] {
    font-size: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
.document-grid > * {
  min-width: 0;
}
.result-root {
  white-space: pre-wrap;
}
.table-scroll:focus-visible {
  outline-offset: 3px;
}
@media print {
  .site-nav,
  .actions,
  .verify-form,
  .skip-link,
  .instrument-line {
    display: none;
  }
  .site-header,
  .page,
  .site-footer {
    padding-inline: 0;
  }
  body {
    font-size: 12pt;
    background: #fff;
    color: #000;
  }
  .verify-layout {
    display: block;
  }
  .verify-result {
    background: #fff;
    border: 1px solid #000;
  }
  .site-footer {
    margin-top: 30px;
  }
  .document-head {
    padding-block: 20px;
  }
  a {
    color: #000;
  }
}