:root {
  color-scheme: light;
  --paper: #f4efe5;
  --paper-raised: #faf7f1;
  --paper-deep: #ece4d6;
  --ink-surface: #16130f;
  --ink: #16130f;
  --ink-soft: #453d33;
  --ink-muted: #675d51;
  --ink-inverse: #f4efe5;
  --rule: #d6cbb8;
  --rule-strong: #b9ab93;
  --stamp: #a83a26;
  --stamp-soft: #f0d9d2;
  --paper-glow: rgba(250, 247, 241, 0.42);
  --paper-clear: rgba(244, 239, 229, 0);
  --rule-faint: rgba(214, 203, 184, 0.62);
  --measure: 68ch;
  --measure-wide: 92ch;
  --font-serif: Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;
}

body.ms-page {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  background:
    linear-gradient(180deg, var(--paper-glow), var(--paper-clear) 360px),
    var(--paper);
  text-rendering: optimizeLegibility;
}

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

.ms-page a {
  color: inherit;
}

.ms-page b,
.ms-page strong {
  font-weight: 400;
}

.ms-page a:focus-visible,
.ms-page summary:focus-visible,
.ms-page button:focus-visible {
  outline: 2px solid var(--stamp);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.85rem;
  color: var(--ink-inverse);
  background: var(--ink-surface);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-150%);
}

.skip-link:focus {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.ms-page main {
  overflow: clip;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(1rem, 4vw, 3rem);
  align-items: center;
  min-height: 68px;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  color: var(--ink);
  background: var(--paper-clear);
  border-bottom: 1px solid transparent;
  transition:
    background-color 220ms ease-out,
    border-color 220ms ease-out;
}

.site-header.is-scrolled {
  background: var(--paper);
  border-bottom-color: var(--rule);
}

.site-wordmark {
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  font-weight: 400;
  line-height: 1;
  text-decoration: none;
}

.site-contact-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  justify-content: flex-end;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.2;
  letter-spacing: 0.04em;
}

.site-contact-nav a {
  text-decoration-color: transparent;
  text-underline-offset: 0.24em;
  transition: color 180ms ease-out, text-decoration-color 180ms ease-out;
}

.site-contact-nav a:hover {
  color: var(--stamp);
  text-decoration-color: currentColor;
}

.site-reading-progress {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  overflow: hidden;
  background: transparent;
}

.site-reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--stamp);
}

.ms-hero-v2 {
  min-height: calc(100vh - 68px);
  padding: clamp(2.75rem, 8vh, 6rem) clamp(1.25rem, 6vw, 8rem) clamp(3rem, 8vh, 6rem);
  scroll-margin-top: 86px;
}

.ms-hero-inner {
  width: min(100%, var(--measure-wide));
  margin: 0 auto;
}

.ms-kicker,
.ms-act-label {
  margin: 0 0 1.25rem;
  color: var(--stamp);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ms-hero-v2 h1 {
  max-width: 10ch;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: 0;
}

.ms-hero-v2 h1::after {
  display: block;
  width: min(6.5rem, 32vw);
  height: 2px;
  margin-top: clamp(1rem, 2vw, 1.6rem);
  background: var(--stamp);
  content: "";
}

.ms-hero-subtitle {
  max-width: var(--measure);
  margin: clamp(1.4rem, 3vw, 2.3rem) 0 0;
  color: var(--ink-soft);
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0;
}

.ms-hero-lead {
  max-width: var(--measure);
  margin: 1.15em 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
  letter-spacing: 0;
}

.chain {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  max-width: var(--measure-wide);
  margin: 0;
  padding: 0;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: 0.08em;
  list-style: none;
  text-transform: uppercase;
}

.chain li {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.chain li:not(:last-child)::after {
  margin-left: 0.75rem;
  color: var(--stamp);
  content: "→";
}

.ms-pipeline {
  gap: 0.45rem 0;
  margin: clamp(1.7rem, 4vw, 3rem) 0 0;
  padding: 1rem 0;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.ms-pipeline li:not(:last-child)::after {
  margin: 0 0.7rem;
}

.ms-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.35rem;
  align-items: center;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.ms-primary-link,
.ms-text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 400;
  line-height: 1.2;
  text-decoration: none;
}

.ms-primary-link {
  padding: 0.85rem 1rem;
  background: var(--paper-raised);
  border: 1px solid var(--rule-strong);
}

.ms-primary-link:hover {
  border-color: var(--stamp);
}

.ms-text-link {
  color: var(--stamp);
}

.ms-text-link::after {
  margin-left: 0.45rem;
  content: "→";
}

.ms-run-note {
  margin: 1rem 0 0;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.4;
}

.ms-act {
  position: relative;
  padding: clamp(6rem, 12vh, 10rem) clamp(1.25rem, 6vw, 8rem);
  scroll-margin-top: 6rem;
}

.ms-act::before {
  position: absolute;
  top: 0;
  right: clamp(1.25rem, 6vw, 8rem);
  left: clamp(1.25rem, 6vw, 8rem);
  height: 1px;
  background: var(--rule);
  content: "";
}

.ms-act-shell {
  width: min(100%, var(--measure-wide));
  margin: 0 auto;
}

.ms-act h2 {
  max-width: var(--measure);
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: 0;
}

.ms-prose {
  max-width: var(--measure);
  margin-top: clamp(1.8rem, 4vw, 3rem);
}

.ms-prose p,
.ms-order-close {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
  letter-spacing: 0;
}

.ms-prose p + p {
  margin-top: 1.15em;
}

.ms-prose h3 {
  max-width: var(--measure);
  margin: clamp(3rem, 7vh, 5rem) 0 1rem;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0;
}

.ms-pullquote {
  max-width: var(--measure);
  margin: clamp(2.5rem, 6vw, 4.5rem) 0 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0;
  background: var(--paper-raised);
  border-left: 2px solid var(--stamp);
}

.ms-order-block {
  margin-top: clamp(4rem, 8vw, 7rem);
}

.ms-order-block h3,
.ms-example-card h3 {
  max-width: var(--measure);
  margin: 0 0 clamp(1.5rem, 3vw, 2rem);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0;
}

.ms-order-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(1.25rem, 4vw, 3rem);
  max-width: var(--measure-wide);
}

.ms-order-list {
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--paper-raised);
  border: 1px solid var(--rule);
}

.ms-order-list-muted {
  color: var(--ink-muted);
  opacity: 0.72;
}

.ms-order-list h4 {
  margin: 0 0 1rem;
  color: currentColor;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0;
}

.ms-order-list ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: order;
}

.ms-order-list li {
  position: relative;
  min-height: 1.8rem;
  padding-left: 2.4rem;
  color: currentColor;
  font-size: clamp(0.98rem, 1.1vw, 1.08rem);
  font-weight: 400;
  line-height: 1.55;
  counter-increment: order;
}

.ms-order-list li + li {
  margin-top: 0.8rem;
}

.ms-order-list li::before {
  position: absolute;
  top: 0.02rem;
  left: 0;
  color: var(--stamp);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  content: counter(order, decimal-leading-zero);
}

.ms-order-list-muted li::before {
  color: var(--ink-muted);
}

.ms-order-close {
  max-width: var(--measure);
  margin: clamp(2rem, 5vw, 3.5rem) auto 0;
}

.ms-example-card {
  position: relative;
  max-width: var(--measure);
  margin-top: clamp(4rem, 8vw, 7rem);
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.25rem, 4vw, 2.5rem);
  background: var(--paper-raised);
  border: 1px solid var(--rule);
}

.ms-example-card .ms-prose {
  margin-top: 0;
}

.ms-stamp {
  display: inline-block;
  margin: 0 0 clamp(1.2rem, 3vw, 1.8rem);
  padding: 0.42rem 0.58rem;
  color: var(--stamp);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--stamp);
}

.ms-break {
  margin: clamp(6rem, 12vh, 10rem) 0;
  padding: clamp(4rem, 9vw, 7rem) clamp(1.25rem, 6vw, 8rem);
  color: var(--ink-inverse);
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0;
  background: var(--ink-surface);
}

.question-list {
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  padding: 0 0 0 2.75rem;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  line-height: 1.68;
  list-style: none;
  counter-reset: question;
}

.question-list li {
  position: relative;
  counter-increment: question;
}

.question-list li + li {
  margin-top: 0.9em;
}

.question-list li::before {
  position: absolute;
  top: 0.08em;
  right: calc(100% + 0.9rem);
  min-width: 1.8rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.68;
  text-align: right;
  content: counter(question, decimal-leading-zero);
}

.equation {
  max-width: var(--measure-wide);
  margin: clamp(2rem, 5vw, 3.5rem) 0;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--paper-raised);
  border: 1px solid var(--rule);
}

.equation-inputs {
  display: grid;
  gap: 0.95rem;
}

.equation-inputs div {
  display: grid;
  grid-template-columns: 4.25rem minmax(0, 1fr);
  gap: 1.25rem;
  align-items: baseline;
}

.equation-inputs span {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 1.6rem;
  line-height: 1;
  text-align: right;
}

.equation-inputs p {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.2vw, 1.12rem);
  line-height: 1.45;
}

.equation-result {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
  align-items: baseline;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
  border-top: 1px solid var(--rule-strong);
}

.equation-expression {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  align-items: baseline;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.4vw, 1.45rem);
  line-height: 1.1;
  white-space: nowrap;
}

.equation-expression b {
  color: var(--stamp);
  font-weight: 400;
}

.equation-equals {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.4vw, 1.45rem);
}

.equation-total {
  display: grid;
  gap: 0.15rem;
  margin: 0;
}

.equation-total strong {
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 400;
  line-height: 0.95;
}

.equation-total span {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.rest-band {
  position: relative;
  z-index: 30;
  width: 100vw;
  margin: clamp(5rem, 10vh, 8rem) calc(50% - 50vw) 0;
  padding: clamp(5rem, 10vh, 8rem) clamp(1.25rem, 6vw, 8rem);
  color: var(--ink-inverse);
  background: var(--ink-surface);
}

.rest-band p {
  max-width: 48ch;
  margin: 0 auto;
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 400;
  line-height: 1.3;
  text-align: center;
  letter-spacing: 0;
}

.term {
  max-width: var(--measure);
  margin-top: clamp(3.5rem, 7vh, 5.5rem);
}

.term + .term {
  padding-top: clamp(3.5rem, 7vh, 5.5rem);
  border-top: 1px solid var(--rule);
}

.term-marker {
  margin: 0 0 0.75rem;
  color: var(--stamp);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1;
}

.term h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0;
}

.term-definition {
  margin: 0.85rem 0 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.35;
}

.term .ms-prose {
  margin-top: 1.2rem;
}

.example {
  margin-top: clamp(1.6rem, 4vw, 2.5rem);
  padding: clamp(1.1rem, 3vw, 1.7rem);
  background: var(--paper-raised);
  border-left: 2px solid var(--rule-strong);
}

.example-label {
  margin: 0 0 0.8rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.example p:not(.example-label) {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.16vw, 1.1rem);
  line-height: 1.62;
}

.example p:not(.example-label) + p {
  margin-top: 1.15em;
}

.formula-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: baseline;
  max-width: var(--measure-wide);
  margin: clamp(1.8rem, 4vw, 2.75rem) 0;
  padding: 1rem 0;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.formula-strip b,
.formula-strip i {
  color: var(--stamp);
  font-style: normal;
  font-weight: 400;
}

.formula-strip strong {
  color: var(--ink);
  font-weight: 400;
}

.spec-card {
  max-width: var(--measure-wide);
  margin: clamp(2rem, 5vw, 3.25rem) 0;
  overflow: hidden;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: 2px;
}

.spec-card h4 {
  margin: 0;
  padding: 0.9rem clamp(1rem, 3vw, 1.4rem);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--paper-deep);
  border-bottom: 1px solid var(--rule);
}

.spec-card dl {
  margin: 0;
}

.spec-card dl > div {
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr);
  gap: 1rem;
  padding: 0.82rem clamp(1rem, 3vw, 1.4rem);
  border-top: 1px solid var(--rule-faint);
}

.spec-card dl > div:first-child {
  border-top: 0;
}

.spec-card dt,
.spec-card dd {
  margin: 0;
  font-family: var(--font-mono);
  line-height: 1.55;
}

.spec-card dt {
  color: var(--ink-muted);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.spec-card dd {
  min-width: 0;
  color: var(--ink);
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

.spec-card--plain {
  margin-top: clamp(3rem, 7vw, 5rem);
  overflow: visible;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--rule-strong);
  border-radius: 0;
}

.spec-card--plain + .spec-card--plain {
  margin-top: clamp(2.75rem, 6vw, 4.5rem);
}

.spec-card--plain h3 {
  max-width: var(--measure);
  margin: 0;
  padding-top: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0;
}

.spec-card--plain dl {
  max-width: var(--measure-wide);
  margin-top: clamp(1rem, 3vw, 1.5rem);
}

.spec-card--plain dl > div {
  padding-right: 0;
  padding-left: 0;
  border-top-color: var(--rule);
}

.spec-card--plain dl > div:first-child {
  border-top: 1px solid var(--rule);
}

.source-list {
  max-width: var(--measure);
  margin-top: clamp(3rem, 7vw, 5rem);
}

.source-list--unnumbered {
  margin-left: 0;
}

.source-item {
  position: relative;
  max-width: var(--measure);
}

.source-item + .source-item {
  margin-top: clamp(2.5rem, 5vh, 4rem);
  padding-top: clamp(2.5rem, 5vh, 4rem);
  border-top: 1px solid var(--rule);
}

.source-number {
  margin: 0 0 0.75rem;
  color: var(--stamp);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1;
}

.source-item h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0;
}

.source-reveals {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  font-weight: 400;
  line-height: 1.4;
}

.source-item p:not(.source-number):not(.source-reveals) {
  margin: 1.15em 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
  letter-spacing: 0;
}

.bridge {
  max-width: var(--measure);
  margin: clamp(2.5rem, 6vw, 4rem) 0 0;
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
  background: var(--paper-raised);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.bridge p {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
}

.bridge a {
  display: inline-block;
  margin-top: 1.2rem;
  color: var(--stamp);
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  font-weight: 400;
  line-height: 1.3;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.bridge a::after {
  content: " →";
}

.data-table {
  width: min(100%, var(--measure-wide));
  max-width: var(--measure-wide);
  margin: clamp(2rem, 5vw, 3.5rem) 0;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 400;
  line-height: 1.55;
  border-collapse: collapse;
}

.data-table caption {
  padding-top: 0.85rem;
  color: var(--ink-muted);
  font-size: 0.78rem;
  line-height: 1.45;
  text-align: left;
  caption-side: bottom;
}

.data-table th,
.data-table td {
  padding: 0.82rem 0.75rem;
  font-weight: 400;
  vertical-align: top;
  border-top: 1px solid var(--rule);
}

.data-table thead th {
  color: var(--ink-muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-align: left;
  text-transform: uppercase;
}

.data-table tbody th {
  text-align: left;
}

.data-table td {
  text-align: right;
}

.data-table-peak th:first-child {
  border-left: 2px solid var(--stamp);
}

.manifest {
  display: grid;
  gap: 0.75em;
  max-width: var(--measure-wide);
  margin: clamp(2rem, 5vw, 3.5rem) 0;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.55;
  list-style: none;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
}

.manifest p {
  margin: 0;
  padding-left: 1.2rem;
  border-left: 1px solid var(--rule-strong);
}

.tier-list {
  display: grid;
  gap: 1.8rem;
  max-width: var(--measure);
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
}

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

.tag {
  display: inline-block;
  margin: 0;
  padding: 0.3em 0.7em;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.tag-supported,
.tag-primary,
.tag-verified {
  color: var(--ink);
  background: transparent;
}

.tag-contested,
.tag-adjacent,
.tag-moved,
.tag-rejected {
  color: var(--stamp);
  background: var(--stamp-soft);
}

.tag-unresolved,
.tag-experimental,
.tag-needs-review,
.tag-role-uncertain,
.tag-office-uncertain {
  color: var(--ink-muted);
  background: transparent;
  border-style: dashed;
}

.tag--plain {
  padding: 0.4em 0.75em;
  color: var(--ink);
  font-size: 0.82rem;
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-transform: none;
  background: var(--paper-raised);
  border-color: var(--rule);
  border-radius: 2px;
}

.specimen {
  max-width: var(--measure);
  margin: clamp(1.5rem, 4vw, 2.75rem) 0;
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
  background: var(--paper-deep);
}

.specimen p {
  margin: 0;
  padding-left: 1rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.55;
  border-left: 3px solid var(--stamp);
}

.specimen p + p {
  margin-top: 1.1em;
}

.vocab-set {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  max-width: var(--measure-wide);
  margin: clamp(1.5rem, 4vw, 2.5rem) 0;
  padding: 0;
  list-style: none;
}

.vocab-set li {
  display: flex;
  margin: 0;
}

.contrast-pair {
  display: grid;
  gap: clamp(2rem, 4vw, 3.5rem);
  max-width: var(--measure-wide);
  margin: clamp(2.5rem, 6vw, 4rem) 0;
}

.contrast-pair > article {
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.contrast-pair > article:first-child {
  color: var(--ink-muted);
  border-top: 1px solid var(--rule);
}

.contrast-pair > article:last-child {
  color: var(--ink);
  background: var(--paper-raised);
  border-left: 2px solid var(--stamp);
}

.contrast-pair h3 {
  margin: 0;
  color: currentColor;
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0;
}

.contrast-pair p {
  margin: 1rem 0 0;
  color: currentColor;
  font-size: clamp(1rem, 1.16vw, 1.1rem);
  font-weight: 400;
  line-height: 1.62;
}

.status-list {
  display: grid;
  max-width: var(--measure-wide);
  margin: clamp(2rem, 5vw, 3.5rem) 0;
  padding: 0;
}

.status-list > div {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
  padding: 0.9rem 0;
  border-top: 1px solid var(--rule);
}

.status-list > div:last-child {
  border-bottom: 1px solid var(--rule);
}

.status-list dt,
.status-list dd {
  min-width: 0;
  margin: 0;
}

.status-list dt {
  text-align: left;
}

.status-list dd {
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.16vw, 1.1rem);
  font-weight: 400;
  line-height: 1.58;
}

.status-list .tag {
  white-space: nowrap;
}

.chain--dense {
  margin: clamp(2rem, 5vw, 3.5rem) 0;
}

#limits .ms-prose h3 {
  padding-top: clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--rule);
}

#limits .ms-prose h3:first-child {
  padding-top: 0;
  border-top: 0;
}

.faq {
  max-width: var(--measure);
  margin-top: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid var(--rule);
}

.faq details {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--rule);
}

.faq summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  font-weight: 400;
  line-height: 1.32;
  list-style: none;
  cursor: pointer;
}

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

.faq summary::after {
  color: var(--stamp);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.2;
  content: "+";
}

.faq details[open] summary::after {
  content: "−";
}

.faq p {
  max-width: var(--measure);
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
}

.distance-set {
  max-width: var(--measure-wide);
  margin: clamp(3rem, 7vw, 5rem) 0;
}

.distance-scale {
  margin-bottom: clamp(2.75rem, 6vw, 4.5rem);
  padding-top: 0.45rem;
}

.distance-line {
  position: relative;
  height: 4.2rem;
  border-top: 1px solid var(--rule-strong);
}

.distance-tick {
  position: absolute;
  top: -0.38rem;
  display: grid;
  gap: 0.7rem;
  justify-items: center;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.distance-tick b {
  width: 0.72rem;
  height: 0.72rem;
  background: var(--paper);
  border: 1px solid currentColor;
  border-radius: 999px;
}

.distance-tick em {
  font-style: normal;
}

.distance-tick-primary {
  left: 12%;
  color: var(--ink);
}

.distance-tick-adjacent {
  left: 48%;
  color: var(--stamp);
}

.distance-tick-experimental {
  left: 86%;
}

.distance-captions {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.35;
}

.distance-entry {
  max-width: var(--measure);
}

.distance-entry + .distance-entry {
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--rule);
}

.distance-entry h3 {
  margin: 1rem 0 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0;
}

.distance-definition {
  max-width: var(--measure);
  margin: 0.85rem 0 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 400;
  line-height: 1.35;
}

.distance-entry .ms-prose {
  margin-top: 1.15rem;
}

.merge-diagram {
  max-width: var(--measure-wide);
  margin: clamp(3rem, 7vw, 5rem) 0;
  padding: clamp(1.25rem, 3vw, 2rem) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.merge-diagram-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(5rem, 10rem) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
  align-items: stretch;
}

.merge-column {
  display: grid;
  gap: 0.8rem;
  align-content: center;
}

.merge-column-right {
  align-content: space-around;
}

.merge-node {
  position: relative;
  margin: 0;
  padding: 0.9rem 1rem;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: clamp(0.78rem, 1vw, 0.88rem);
  font-weight: 400;
  line-height: 1.45;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
}

.merge-node-primary {
  border-color: var(--rule-strong);
}

.merge-node-secondary {
  color: var(--stamp);
  background: var(--stamp-soft);
  border-color: var(--stamp);
}

.merge-lines {
  width: 100%;
  min-height: 18rem;
}

.merge-lines path {
  fill: none;
  stroke: var(--rule-strong);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.tier p:not(.tag) {
  max-width: var(--measure);
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
  letter-spacing: 0;
}

.ms-toc {
  position: fixed;
  z-index: 20;
  top: 7.25rem;
  left: clamp(1rem, 2.2vw, 2.25rem);
  width: 13rem;
  max-height: calc(100vh - 8.5rem);
  overflow: auto;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.25;
}

.ms-toc ol {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ms-toc a {
  display: grid;
  grid-template-columns: 2.8rem minmax(0, 1fr);
  gap: 0.5rem;
  align-items: baseline;
  text-decoration: none;
}

.ms-toc span {
  color: var(--stamp);
}

.ms-toc b {
  color: currentColor;
  font-weight: 400;
}

.ms-toc a.is-active {
  color: var(--ink);
}

@media (min-width: 1180px) {
  .ms-hero-inner,
  .ms-act-shell {
    padding-left: min(13vw, 10rem);
  }
}

@media (min-width: 1100px) {
  .source-list {
    margin-left: clamp(3rem, 5vw, 4rem);
  }

  .source-list--unnumbered {
    margin-left: 0;
  }

  .source-number {
    position: absolute;
    top: 0.25rem;
    right: calc(100% + 1.4rem);
    min-width: 2rem;
    margin: 0;
    text-align: right;
  }
}

@media (min-width: 900px) {
  .manifest {
    grid-auto-columns: minmax(0, 1fr);
    grid-auto-flow: column;
    grid-template-rows: repeat(7, auto);
    column-gap: 3rem;
  }

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

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    align-items: start;
    min-height: 92px;
  }

  .site-contact-nav {
    justify-content: flex-start;
  }

  .ms-hero-v2 {
    min-height: 0;
  }

  .ms-order-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .data-table {
    display: flex;
    flex-direction: column;
  }

  .data-table caption {
    display: block;
    order: 2;
  }

  .data-table thead {
    display: none;
  }

  .data-table tbody {
    display: block;
    order: 1;
  }

  .data-table tr,
  .data-table th,
  .data-table td {
    display: block;
  }

  .data-table tr {
    padding: 0.85rem 1rem;
    background: var(--paper-raised);
    border: 1px solid var(--rule);
  }

  .data-table tr + tr {
    margin-top: 0.8rem;
  }

  .data-table th,
  .data-table td {
    display: grid;
    grid-template-columns: minmax(0, 11rem) minmax(0, 1fr);
    gap: 1rem;
    padding: 0.55rem 0;
    text-align: right;
    border-top: 1px solid var(--rule);
  }

  .data-table th:first-child {
    border-top: 0;
  }

  .data-table th::before,
  .data-table td::before {
    color: var(--ink-muted);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-align: left;
    text-transform: uppercase;
    content: attr(data-label);
  }

  .data-table-peak {
    border-left: 2px solid var(--stamp);
  }

  .data-table-peak th:first-child {
    border-left: 0;
  }
}

@media (max-width: 760px) {
  .distance-line {
    height: 5rem;
  }

  .distance-tick {
    font-size: 0.62rem;
  }

  .distance-tick-primary {
    left: 14%;
  }

  .distance-tick-adjacent {
    left: 50%;
  }

  .distance-tick-experimental {
    left: 84%;
  }

  .distance-captions {
    font-size: 0.68rem;
  }

  .merge-diagram {
    padding-block: 1rem;
  }

  .merge-diagram-inner {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .merge-column {
    display: contents;
  }

  .merge-lines {
    display: none;
  }

  .merge-node-a {
    order: 1;
  }

  .merge-node-b {
    order: 2;
  }

  .merge-node-c {
    order: 3;
  }

  .merge-node-primary {
    order: 4;
    margin-top: 0.8rem;
  }

  .merge-node-d {
    order: 5;
    margin-top: 1.4rem;
  }

  .merge-node-secondary {
    order: 6;
  }

  .merge-node-primary::before,
  .merge-node-secondary::before {
    position: absolute;
    top: -0.82rem;
    left: 50%;
    width: 1px;
    height: 0.82rem;
    background: var(--rule-strong);
    content: "";
  }
}

@media (max-width: 700px) {
  .spec-card dl > div {
    grid-template-columns: 1fr;
    gap: 0.3em;
  }

  .status-list > div {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding-inline: 1rem;
  }

  .site-contact-nav {
    font-size: 0.72rem;
  }

  .ms-hero-v2 {
    padding: 2.25rem 1rem 3rem;
  }

  .ms-hero-v2 h1 {
    font-size: clamp(2.55rem, 15vw, 3.8rem);
  }

  .ms-pipeline {
    display: grid;
    gap: 0;
    padding: 0;
    border-top: 0;
    border-bottom: 0;
  }

  .ms-pipeline li {
    position: relative;
    padding: 0.58rem 0 0.58rem 1.25rem;
    border-left: 1px solid var(--rule-strong);
  }

  .ms-pipeline li::before {
    position: absolute;
    top: 1rem;
    left: -0.22rem;
    width: 0.42rem;
    height: 0.42rem;
    background: var(--stamp);
    content: "";
  }

  .ms-pipeline li:not(:last-child)::after {
    content: none;
  }

  .ms-hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .ms-primary-link,
  .ms-text-link {
    justify-content: center;
  }

  .ms-act {
    padding: clamp(4.5rem, 12vh, 6rem) 1rem;
  }

  .ms-act::before {
    right: 1rem;
    left: 1rem;
  }

  .ms-pullquote,
  .ms-order-list,
  .ms-example-card {
    padding-inline: 1rem;
  }

  .question-list {
    padding-left: 2.35rem;
  }

  .equation {
    padding: 1rem;
  }

  .equation-inputs div {
    grid-template-columns: 3rem minmax(0, 1fr);
    gap: 0.85rem;
  }

  .equation-inputs span {
    font-size: 1.3rem;
  }

  .equation-result {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.65rem 0.85rem;
  }

  .equation-expression {
    grid-column: 1 / -1;
    gap: 0.34rem;
    font-size: 0.98rem;
  }

  .equation-total strong {
    font-size: clamp(2.2rem, 13vw, 3rem);
  }

  .formula-strip {
    gap: 0.4rem;
    font-size: 0.72rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .ms-page *,
  .ms-page *::before,
  .ms-page *::after {
    transition: none;
    animation: none;
  }
}

.site-footer {
  padding: 1.5rem clamp(1rem, 4vw, 4rem);
  border-top: 1px solid var(--rule);
}

@media print {
  body.ms-page {
    color: black;
    background: white;
  }

  .site-header,
  .ms-toc,
  .site-reading-progress {
    display: none;
  }

  .ms-hero-v2,
  .ms-act {
    min-height: 0;
    padding: 2rem 0;
  }

  .ms-act::before,
  .ms-hero-v2 h1::after {
    background: black;
  }

  .ms-act-shell,
  .ms-hero-inner {
    width: 100%;
    max-width: none;
    padding-left: 0;
  }

  .ms-page *,
  .ms-page *::before,
  .ms-page *::after {
    color: black;
    background: white;
    box-shadow: none;
  }

  .rest-band {
    width: auto;
    margin: 2rem 0;
    padding: 2rem 0;
  }

  .data-table {
    break-inside: avoid;
  }

  .faq details:not([open]) > summary ~ * {
    display: block;
  }

  .faq summary::after {
    content: "";
  }
}