@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo-latin-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --paper: #f3f0e8;
  --surface: #fbf9f3;
  --surface-deep: #e9e4d8;
  --ink: #11110f;
  --ink-soft: #292822;
  --muted: #676258;
  --line: #cfc8b9;
  --line-soft: #ded8cc;
  --signal: #c92f18;
  --signal-bright: #ff7259;
  --signal-dark: #aa2c16;
  --paper-on-ink: #f5f0e4;
  --font-display: "Archivo", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC",
    "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --max: 1440px;
  --gutter: clamp(1.25rem, 4.25vw, 4.5rem);
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: anywhere;
}

body.nav-open {
  overflow: hidden;
}

::selection {
  background: var(--signal);
  color: var(--paper-on-ink);
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

p,
h1,
h2,
h3,
h4,
ul,
ol,
figure,
blockquote {
  margin-top: 0;
}

ul,
ol {
  padding-left: 1.2em;
}

li + li {
  margin-top: 0.5em;
}

h1,
h2,
h3,
h4 {
  font-weight: 680;
  line-height: 0.96;
  letter-spacing: -0.045em;
}

strong {
  font-weight: 680;
}

code,
pre {
  font-family: var(--font-mono);
}

code {
  font-size: 0.88em;
}

/* Language: both versions live in the markup, only the active one is exposed. */
html[lang="zh-CN"] .lang-en,
html[lang="en"] .lang-zh {
  display: none !important;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper-on-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - var(--gutter) * 2, var(--max));
  margin-inline: auto;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.muted {
  color: var(--muted);
}

.signal {
  color: var(--signal);
}

.rule-top {
  border-top: 1px solid var(--line);
}

.split > *,
.mcp-grid > *,
.evidence-grid > *,
.report-grid > *,
.article-block > *,
.scenario-cols > *,
.method-stage__body,
.code-box,
.terminal,
.tool-index {
  min-width: 0;
}

.code-box,
.terminal {
  max-width: 100%;
}

.code-box pre {
  max-width: 100%;
}

.section {
  padding-block: clamp(4.5rem, 9vw, 9rem);
  border-top: 1px solid var(--line);
}

.section--tight {
  padding-block: clamp(3rem, 6vw, 6rem);
}

.section--flush {
  padding-top: 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(88px, 2fr) minmax(0, 10fr);
  gap: clamp(1.25rem, 3vw, 3.5rem);
  align-items: start;
  margin-bottom: clamp(2.25rem, 5vw, 5rem);
}

.section-head__meta {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--signal);
  text-transform: uppercase;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.section-title {
  max-width: none;
  font-size: clamp(2.25rem, 4.8vw, 5.25rem);
  font-stretch: 84%;
  line-height: 0.94;
  letter-spacing: -0.058em;
  margin: 0;
}

.section-title .signal {
  color: var(--signal);
}

.section-intro {
  max-width: 60ch;
  margin-top: clamp(1.25rem, 2.5vw, 2rem);
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.15vw, 1.18rem);
  line-height: 1.62;
}

.section-aside {
  max-width: 34ch;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.63rem;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  background: var(--signal);
}

.eyebrow--ink {
  color: var(--paper-on-ink);
}

.eyebrow--ink::before {
  background: var(--signal-bright);
}

/* Links and actions */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 50px;
  padding: 0 1.15rem 0 1.3rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: background-color 180ms var(--ease), color 180ms var(--ease),
    border-color 180ms var(--ease);
}

.btn__arrow {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1;
  transition: transform 220ms var(--ease);
}

.btn:hover {
  background: var(--ink);
  color: var(--paper-on-ink);
}

.btn:hover .btn__arrow {
  transform: translate(2px, -2px);
}

.btn--primary {
  background: var(--ink);
  color: var(--paper-on-ink);
}

.btn--primary:hover {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--paper-on-ink);
}

.btn--small {
  min-height: 42px;
  gap: 1.25rem;
  padding: 0 0.9rem 0 1rem;
  font-size: 0.76rem;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--ink);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.link-arrow span:last-child {
  font-family: var(--font-mono);
  transition: transform 220ms var(--ease);
}

.link-arrow:hover {
  color: var(--signal);
  border-color: var(--signal);
}

.link-arrow:hover span:last-child {
  transform: translateX(3px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 2rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: var(--header-h);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 3rem);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  width: max-content;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
}

.brand-mark i {
  display: block;
  background: var(--ink);
}

.brand-mark i:nth-child(2) {
  background: var(--signal);
}

.brand-word {
  font-size: 0.9rem;
  font-weight: 750;
  letter-spacing: -0.04em;
  line-height: 1;
}

.brand-word span {
  font-weight: 430;
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.85rem, 2.2vw, 2.25rem);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.55rem 0;
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-weight: 520;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms var(--ease);
}

.nav-num {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.53rem;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--ink);
}

.nav-link[aria-current="page"] {
  font-weight: 680;
}

.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.18rem;
  height: 2px;
  background: var(--signal);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.75rem, 1.8vw, 1.5rem);
}

.source-link {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms var(--ease);
}

.source-link:hover {
  color: var(--signal);
}

.lang-toggle {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--ink);
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 34px;
  padding: 0 0.45rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}

.lang-btn + .lang-btn {
  border-left: 1px solid var(--ink);
}

.lang-btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper-on-ink);
}

.lang-btn:hover:not([aria-pressed="true"]) {
  background: var(--surface-deep);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--ink);
  background: transparent;
  cursor: pointer;
}

.nav-toggle__lines {
  position: relative;
  display: block;
  width: 15px;
  height: 9px;
  border-top: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
}

.nav-toggle__lines::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 0;
  width: 100%;
  border-top: 1px solid currentColor;
  transition: transform 180ms var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__lines {
  border-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__lines::before {
  top: 3px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__lines::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 0;
  width: 100%;
  border-top: 1px solid currentColor;
  transform: rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  overflow: clip;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to right,
    transparent 0,
    transparent calc(25% - 1px),
    rgba(17, 17, 15, 0.08) calc(25% - 1px),
    rgba(17, 17, 15, 0.08) 25%
  );
  opacity: 0.7;
  mask-image: linear-gradient(to bottom, transparent 0, black 18%, black 85%, transparent 100%);
}

.hero > .container {
  position: relative;
  z-index: 1;
}

.hero-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-topline__right {
  color: var(--muted);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr);
  align-items: end;
  gap: clamp(2.5rem, 5vw, 5.5rem);
  padding: clamp(2.75rem, 6.5vw, 6.5rem) 0 clamp(2.5rem, 5vw, 5rem);
}

.hero-copy {
  min-width: 0;
}

.hero-title {
  max-width: none;
  margin: 0 0 clamp(1.75rem, 3.5vw, 3rem);
  font-size: clamp(3.8rem, 8.5vw, 8.8rem);
  font-weight: 760;
  font-stretch: 80%;
  line-height: 0.82;
  letter-spacing: -0.075em;
}

.hero-title .line {
  display: block;
}

.hero-title .line--indent {
  padding-left: 0.28em;
}

.hero-title .signal {
  color: var(--signal);
}

.hero-lede {
  max-width: 30rem;
  margin-bottom: clamp(1.6rem, 3vw, 2.5rem);
  font-size: clamp(1rem, 1.2vw, 1.18rem);
  line-height: 1.6;
  color: var(--ink-soft);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.hero-meta__item {
  min-width: 0;
  padding: 0.9rem 1rem 0.95rem 0;
}

.hero-meta__item + .hero-meta__item {
  padding-left: 1rem;
  border-left: 1px solid var(--line);
}

.hero-meta__label {
  display: block;
  margin-bottom: 0.32rem;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-meta__value {
  display: block;
  overflow: hidden;
  font-size: 0.8rem;
  font-weight: 620;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Specimen / interactive trace plate */
.specimen-wrap {
  position: relative;
  align-self: end;
  width: 100%;
  max-width: 540px;
  justify-self: end;
}

.specimen-wrap::before,
.specimen-wrap::after {
  content: "";
  position: absolute;
  z-index: 2;
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.specimen-wrap::before {
  top: -9px;
  left: -9px;
  border-top: 1px solid var(--signal);
  border-left: 1px solid var(--signal);
}

.specimen-wrap::after {
  right: -9px;
  bottom: -9px;
  border-right: 1px solid var(--signal);
  border-bottom: 1px solid var(--signal);
}

.specimen {
  border: 1px solid var(--ink);
  background: var(--surface);
}

.specimen-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 42px;
  padding: 0.6rem 0.8rem;
  background: var(--ink);
  color: var(--paper-on-ink);
}

.specimen-top__label {
  font-family: var(--font-mono);
  font-size: 0.57rem;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
}

.specimen-top__label strong {
  display: block;
  margin-top: 0.22rem;
  color: var(--paper-on-ink);
  font-size: 0.63rem;
  font-weight: 500;
}

.specimen-state {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.53rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.specimen-state::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--signal);
}

.specimen-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--ink);
}

.specimen-tab {
  min-height: 36px;
  padding: 0.35rem 0.2rem;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.53rem;
  letter-spacing: 0.045em;
  cursor: pointer;
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}

.specimen-tab:last-child {
  border-right: 0;
}

.specimen-tab:hover {
  background: var(--surface-deep);
  color: var(--ink);
}

.specimen-tab[aria-selected="true"] {
  background: var(--ink);
  color: var(--paper-on-ink);
}

.specimen-body {
  padding: clamp(0.8rem, 1.5vw, 1.15rem);
}

.specimen-file {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.54rem;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.specimen-file span:last-child {
  text-align: right;
  white-space: nowrap;
}

.plot {
  position: relative;
  margin-top: 0.5rem;
}

.plot-scale {
  display: flex;
  justify-content: space-between;
  margin: 0 0 0.55rem 3.35rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.47rem;
  letter-spacing: 0.03em;
}

.plot-lanes {
  position: relative;
}

.plot-lane {
  display: grid;
  grid-template-columns: 3.1rem minmax(0, 1fr);
  align-items: center;
  gap: 0.35rem;
  min-height: 1.05rem;
}

.plot-lane__label {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.45rem;
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
}

.plot-lane__track {
  position: relative;
  height: 0.72rem;
  border-left: 1px solid var(--line);
  background-image: repeating-linear-gradient(
    to right,
    transparent 0,
    transparent calc(12.5% - 1px),
    var(--line-soft) calc(12.5% - 1px),
    var(--line-soft) 12.5%
  );
}

.plot-bar {
  position: absolute;
  top: 0.1rem;
  bottom: 0.1rem;
  min-width: 1px;
  background: var(--ink);
}

.plot-bar--signal {
  background: var(--signal);
}

.plot-bar--soft {
  background: var(--muted);
}

.plot-marker {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 64%;
  z-index: 3;
  width: 1px;
  background: var(--signal);
  pointer-events: none;
  transition: left 420ms var(--ease);
}

.plot-marker span {
  position: absolute;
  top: -0.2rem;
  left: 0.35rem;
  padding: 0.12rem 0.25rem;
  background: var(--signal);
  color: var(--paper-on-ink);
  font-family: var(--font-mono);
  font-size: 0.43rem;
  letter-spacing: 0.03em;
  line-height: 1.25;
  white-space: nowrap;
}

.plot-marker[data-label-side="left"] span {
  right: 0.35rem;
  left: auto;
}

.plot-shade {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 2;
  background: repeating-linear-gradient(
    135deg,
    rgba(201, 47, 24, 0.10) 0,
    rgba(201, 47, 24, 0.10) 1px,
    transparent 1px,
    transparent 4px
  );
  border-left: 1px solid var(--signal);
  border-right: 1px solid var(--signal);
  pointer-events: none;
}

.specimen-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0.8rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--ink);
}

.specimen-metric {
  min-width: 0;
  padding-right: 0.65rem;
}

.specimen-metric + .specimen-metric {
  padding-left: 0.65rem;
  border-left: 1px solid var(--line);
}

.specimen-metric__value {
  display: block;
  margin-bottom: 0.22rem;
  font-size: clamp(1.35rem, 2.6vw, 2.15rem);
  font-weight: 650;
  font-stretch: 82%;
  letter-spacing: -0.055em;
  line-height: 0.94;
  white-space: nowrap;
}

.specimen-metric__value small {
  margin-left: 0.12rem;
  font-family: var(--font-mono);
  font-size: 0.47rem;
  font-weight: 400;
  letter-spacing: 0;
}

.specimen-metric__label {
  display: block;
  overflow: hidden;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.46rem;
  letter-spacing: 0.025em;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.specimen-note {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.7rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.46rem;
  letter-spacing: 0.02em;
  line-height: 1.35;
}

/* Page hero for interior pages */
.page-hero {
  position: relative;
  overflow: clip;
  border-bottom: 1px solid var(--line);
}

.page-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 13.5%;
  bottom: 0;
  width: 1px;
  background: rgba(17, 17, 15, 0.09);
  pointer-events: none;
}

.page-hero__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-hero__top span:nth-child(2) {
  color: var(--muted);
}

.page-hero__body {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(220px, 4fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: end;
  padding: clamp(3rem, 7vw, 7rem) 0 clamp(2.25rem, 4vw, 4rem);
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  max-width: none;
  margin: 0;
  font-size: clamp(3.2rem, 6.2vw, 6.8rem);
  font-stretch: 82%;
  line-height: 0.84;
  letter-spacing: -0.07em;
}

.page-hero h1 .signal {
  color: var(--signal);
}

.page-hero__aside {
  max-width: 24rem;
  padding-bottom: 0.5rem;
}

.page-hero__aside p {
  margin-bottom: 1rem;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.6;
}

.page-hero__aside .mono {
  color: var(--muted);
}

.page-hero__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-hero__foot span:last-child {
  color: var(--ink);
}

/* Statement */
.statement-section {
  padding-block: clamp(4rem, 8vw, 8rem);
  border-bottom: 1px solid var(--line);
}

.statement {
  max-width: none;
  margin: 0;
  font-size: clamp(2.6rem, 5.6vw, 6.2rem);
  font-stretch: 82%;
  font-weight: 690;
  line-height: 0.92;
  letter-spacing: -0.062em;
}

.statement .signal {
  color: var(--signal);
}

.statement-foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: clamp(1.5rem, 5vw, 6rem);
  align-items: start;
  margin-top: clamp(2.5rem, 5vw, 5rem);
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.statement-foot__index {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

.statement-foot p {
  max-width: 56ch;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.25vw, 1.22rem);
  line-height: 1.65;
}

/* Ledger */
.ledger {
  border-top: 1px solid var(--ink);
}

.ledger-row {
  position: relative;
  display: grid;
  grid-template-columns: 3.5rem minmax(9rem, 1.05fr) minmax(13rem, 1.35fr) 2.5rem;
  gap: clamp(1rem, 2.6vw, 3rem);
  align-items: start;
  padding: clamp(1.25rem, 2.2vw, 1.8rem) 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.ledger-row::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(var(--gutter) * -1);
  width: 3px;
  background: var(--signal);
  opacity: 0;
  transform: scaleY(0.6);
  transform-origin: top;
  transition: opacity 180ms var(--ease), transform 260ms var(--ease);
}

.ledger-row:hover::before,
.ledger-row:focus-visible::before {
  opacity: 1;
  transform: scaleY(1);
}

.ledger-index {
  padding-top: 0.35rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.04em;
}

.ledger-title {
  margin: 0;
  font-size: clamp(1.55rem, 2.8vw, 2.7rem);
  font-stretch: 86%;
  line-height: 0.95;
  letter-spacing: -0.045em;
  transition: color 180ms var(--ease);
}

.ledger-title .mono {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--muted);
  font-size: 0.55rem;
  font-weight: 400;
  letter-spacing: 0.09em;
}

.ledger-row:hover .ledger-title {
  color: var(--signal);
}

.ledger-copy {
  max-width: 46ch;
  margin: 0;
  padding-top: 0.22rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.ledger-copy .tag {
  display: inline-block;
  margin-top: 0.55rem;
  padding: 0.18rem 0.35rem;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ledger-arrow {
  padding-top: 0.1rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  text-align: right;
  transition: transform 220ms var(--ease), color 180ms var(--ease);
}

.ledger-row:hover .ledger-arrow {
  color: var(--signal);
  transform: translate(3px, -3px);
}

/* Split layouts */
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: start;
}

.split--even {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sticky-head {
  position: sticky;
  top: calc(var(--header-h) + 2.5rem);
}

.sticky-head__index {
  margin-bottom: 1.2rem;
}

.sticky-head h2 {
  max-width: none;
  margin: 0 0 1.4rem;
  font-size: clamp(2.2rem, 4.3vw, 4.7rem);
  font-stretch: 83%;
  line-height: 0.92;
  letter-spacing: -0.058em;
}

.sticky-head p {
  max-width: 37ch;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Steps */
.steps {
  border-top: 1px solid var(--ink);
}

.step {
  display: grid;
  grid-template-columns: 4.25rem minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(1rem, 2.8vw, 3rem);
  padding: clamp(1.25rem, 2.4vw, 2rem) 0;
  border-bottom: 1px solid var(--line);
}

.step__num {
  padding-top: 0.18rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.05em;
}

.step__title {
  margin: 0;
  font-size: clamp(1.25rem, 2.3vw, 2rem);
  font-stretch: 88%;
  line-height: 1;
  letter-spacing: -0.035em;
}

.step__title code {
  display: block;
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.56rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.step__copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.step__copy strong {
  color: var(--ink);
  font-weight: 620;
}

/* Article blocks */
.article-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding-block: clamp(2rem, 4vw, 3.5rem);
  border-top: 1px solid var(--line);
}

.article-block h3 {
  margin-bottom: 1rem;
  font-size: clamp(1.3rem, 2.1vw, 1.8rem);
  line-height: 1;
}

.article-block .eyebrow {
  margin-bottom: 0.9rem;
}

.article-block p {
  max-width: 48ch;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.article-block p strong {
  color: var(--ink);
}

.article-block ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-block li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.article-block li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.callout {
  max-width: 72rem;
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
  padding: 0.2rem 0 0.2rem clamp(1rem, 2.2vw, 1.65rem);
  border-left: 3px solid var(--signal);
}

.callout p {
  max-width: 68ch;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.callout p strong {
  color: var(--ink);
}

/* Method stages */
.method-stage {
  display: grid;
  grid-template-columns: 4.5rem minmax(12rem, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(1.25rem, 3vw, 3.5rem);
  align-items: start;
  padding: clamp(1.8rem, 3.4vw, 3rem) 0;
  border-top: 1px solid var(--ink);
}

.method-stage:last-child {
  border-bottom: 1px solid var(--line);
}

.method-stage__num {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

.method-stage__head .eyebrow {
  margin-bottom: 0.9rem;
}

.method-stage__head h3 {
  max-width: none;
  margin: 0;
  font-size: clamp(1.45rem, 2.5vw, 2.35rem);
  font-stretch: 86%;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.method-stage__body > p {
  max-width: 59ch;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.method-stage__body .code-box {
  margin-top: 1.1rem;
}

.method-note {
  max-width: 57ch;
  margin: 1rem 0 0;
  padding-left: 0.9rem;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

.method-note code {
  color: var(--ink);
  font-size: 0.74rem;
}

/* Boundary priority */
.priority {
  margin: 1.2rem 0 1.4rem;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.priority li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
}

.priority__num {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  line-height: 1.7;
}

.priority strong {
  display: block;
  margin-bottom: 0.15rem;
  font-size: 0.84rem;
  font-weight: 620;
  line-height: 1.4;
}

.priority code {
  color: var(--muted);
  font-size: 0.6rem;
  letter-spacing: 0.01em;
}

/* Budget stats on paper */
.budget-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.5rem;
  border-top: 1px solid var(--ink);
}

.budget-stat {
  padding: 0.75rem 0.6rem 0 0;
}

.budget-stat:first-child {
  padding-left: 0;
}

.budget-stat + .budget-stat {
  padding-left: 0.6rem;
  border-left: 1px solid var(--line);
}

.budget-stat b {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 1.4rem;
  font-stretch: 84%;
  font-weight: 600;
  line-height: 1;
}

.budget-stat span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.46rem;
  letter-spacing: 0.04em;
  line-height: 1.3;
  text-transform: uppercase;
}

/* Code */
.code-box {
  border: 1px solid var(--ink);
  background: var(--surface);
}

.code-box--ink {
  border-color: #464238;
  background: #181814;
  color: var(--paper-on-ink);
}

.code-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 36px;
  padding: 0 0.75rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.code-box--ink .code-top {
  border-color: #464238;
  color: #b2aa9a;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 28px;
  padding: 0 0.4rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.code-box--ink .copy-btn {
  border-color: #565147;
  color: #b2aa9a;
}

.copy-btn:hover {
  color: var(--signal);
  border-color: var(--signal);
}

.copy-btn .copy-done {
  display: none;
  color: var(--signal);
}

.copy-btn.is-copied .copy-default {
  display: none;
}

.copy-btn.is-copied .copy-done {
  display: inline;
}

.code-box pre {
  margin: 0;
  padding: 1rem 1.1rem 1.15rem;
  overflow-x: auto;
  font-size: clamp(0.66rem, 0.95vw, 0.78rem);
  line-height: 1.7;
  tab-size: 2;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.code-box pre:focus-visible {
  outline-offset: -3px;
}

.code-box code {
  font-family: var(--font-mono);
}

.code-comment {
  color: #756d5f;
}

.code-key {
  color: var(--signal);
}

.code-string {
  color: #7d765f;
}

.code-box--ink .code-comment {
  color: #8f8778;
}

.code-box--ink .code-key {
  color: #ef7059;
}

.code-box--ink .code-string {
  color: #c7bda9;
}

/* Dark evidence band */
.evidence-band {
  position: relative;
  overflow: clip;
  background: var(--ink);
  color: var(--paper-on-ink);
  padding-block: clamp(4.5rem, 9vw, 9rem);
}

.evidence-band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to right,
    transparent 0,
    transparent calc(16.666% - 1px),
    rgba(245, 240, 228, 0.07) calc(16.666% - 1px),
    rgba(245, 240, 228, 0.07) 16.666%
  );
}

.evidence-band > .container {
  position: relative;
  z-index: 1;
}

.evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: end;
}

.evidence-band h2 {
  max-width: none;
  margin: 0 0 1.5rem;
  font-size: clamp(2.7rem, 5.9vw, 6.4rem);
  font-stretch: 82%;
  line-height: 0.9;
  letter-spacing: -0.062em;
}

.evidence-band h2 .signal,
.evidence-band .signal {
  color: var(--signal-bright);
}

.evidence-band p {
  max-width: 46ch;
  color: #b8b0a2;
  font-size: 0.95rem;
  line-height: 1.65;
}

.evidence-stamp {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.6rem;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--signal-bright);
  color: var(--signal-bright);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: rotate(-2deg);
}

.evidence-stamp::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--signal-bright);
}

.terminal {
  border: 1px solid #464238;
  background: #181814;
}

.terminal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid #464238;
  color: #9c9485;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.terminal-body {
  padding: clamp(1rem, 2vw, 1.5rem);
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1vw, 0.8rem);
  line-height: 1.75;
  color: #d9d1c2;
}

.terminal-body p {
  margin: 0;
  color: inherit;
  font-size: inherit;
  line-height: inherit;
}

.terminal-body .prompt {
  color: var(--signal-bright);
}

.terminal-body .key {
  color: var(--paper-on-ink);
}

.terminal-body .comment {
  color: #8f8778;
}

.terminal-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid #464238;
}

.terminal-stat {
  padding: 0.8rem;
}

.terminal-stat + .terminal-stat {
  border-left: 1px solid #464238;
}

.terminal-stat b {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--paper-on-ink);
  font-size: 1.2rem;
  font-stretch: 84%;
  font-weight: 520;
  line-height: 1;
}

.terminal-stat span {
  color: #9c9485;
  font-family: var(--font-mono);
  font-size: 0.48rem;
  letter-spacing: 0.04em;
  line-height: 1.3;
  text-transform: uppercase;
}

/* MCP / report sections */
.mcp-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: start;
}

.mcp-copy h2 {
  max-width: none;
  margin: 0 0 1.4rem;
  font-size: clamp(2.4rem, 5vw, 5.5rem);
  font-stretch: 82%;
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.mcp-copy p {
  max-width: 46ch;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.65;
}

.mcp-copy .actions {
  margin-top: 1.75rem;
}

.tool-index {
  border-top: 1px solid var(--ink);
}

.tool-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 5rem 8rem;
  gap: 1rem;
  align-items: baseline;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  line-height: 1.35;
}

.tool-row__name {
  color: var(--ink);
}

.tool-row__count {
  color: var(--signal);
  text-align: right;
}

.tool-row__kind {
  color: var(--muted);
  font-size: 0.5rem;
  letter-spacing: 0.04em;
  text-align: right;
  text-transform: uppercase;
}

.report-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: center;
}

.report-copy h2 {
  max-width: none;
  margin: 0 0 1.35rem;
  font-size: clamp(2.4rem, 5.1vw, 5.6rem);
  font-stretch: 82%;
  line-height: 0.9;
  letter-spacing: -0.062em;
}

.report-copy p {
  max-width: 44ch;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.65;
}

.artifact-list {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.artifact-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.02em;
}

.artifact-list li:first-child {
  color: var(--ink);
}

.artifact-list li span:last-child {
  color: var(--signal);
  font-size: 0.5rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.report-mock {
  position: relative;
  min-height: 440px;
  padding: clamp(1rem, 2.2vw, 1.6rem);
  border: 1px solid var(--ink);
  background: var(--surface);
  overflow: hidden;
}

.report-mock::before {
  content: "REPORT.HTML";
  position: absolute;
  top: 50%;
  right: -2.8rem;
  color: var(--line);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  transform: rotate(90deg);
  transform-origin: center;
}

.report-mock__head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--ink);
}

.report-mock__head span {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.report-mock__head span:last-child {
  color: var(--signal);
}

.report-mock h3 {
  max-width: none;
  margin: 1.15rem 0 0.85rem;
  font-size: clamp(1.6rem, 3.1vw, 2.8rem);
  font-stretch: 84%;
  line-height: 0.92;
}

.report-mock__lines {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1.4rem;
}

.report-mock__lines i {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--line);
}

.report-mock__lines i:nth-child(1) {
  width: 84%;
  background: var(--ink-soft);
}

.report-mock__lines i:nth-child(2) {
  width: 94%;
}

.report-mock__lines i:nth-child(3) {
  width: 72%;
}

.report-mock__chart {
  position: relative;
  height: 130px;
  margin: 1.3rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(
    to right,
    transparent 0,
    transparent calc(12.5% - 1px),
    var(--line-soft) calc(12.5% - 1px),
    var(--line-soft) 12.5%
  );
  overflow: hidden;
}

.report-mock__chart::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 42%;
  height: 1px;
  background: var(--signal);
}

.report-mock__bars {
  position: absolute;
  inset: auto 0 0;
  display: flex;
  align-items: end;
  gap: 3px;
  height: 88%;
}

.report-mock__bars i {
  display: block;
  width: 100%;
  background: var(--ink);
}

.report-mock__bars i:nth-child(3n) {
  background: var(--signal);
}

.report-mock__bars i:nth-child(4n) {
  opacity: 0.35;
}

.report-mock__foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.8rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.48rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Scenario page */
.scenario-layout {
  display: grid;
  grid-template-columns: minmax(130px, 2fr) minmax(0, 10fr);
  gap: clamp(1.5rem, 4vw, 5rem);
  align-items: start;
}

.scenario-rail {
  position: sticky;
  top: calc(var(--header-h) + 2.5rem);
}

.scenario-rail ol {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.scenario-rail li {
  margin: 0;
}

.scenario-rail a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.scenario-rail a span:first-child {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.54rem;
}

.scenario-rail a:hover {
  color: var(--ink);
}

.scenario-article {
  padding-bottom: clamp(3.5rem, 7vw, 7rem);
  border-bottom: 1px solid var(--ink);
  scroll-margin-top: calc(var(--header-h) + 2rem);
}

.scenario-article + .scenario-article {
  padding-top: clamp(3.5rem, 7vw, 7rem);
}

.scenario-head {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr) auto;
  gap: clamp(1rem, 2.5vw, 2.5rem);
  align-items: start;
  margin-bottom: clamp(1.75rem, 3.5vw, 3rem);
}

.scenario-no {
  padding-top: 0.45rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.scenario-head h2 {
  max-width: none;
  margin: 0.35rem 0 0;
  font-size: clamp(2.1rem, 4.5vw, 4.7rem);
  font-stretch: 82%;
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.scenario-tag {
  padding: 0.28rem 0.4rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.48rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.scenario-intro {
  max-width: 62ch;
  margin-bottom: 1.25rem;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  line-height: 1.65;
}

.scenario-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}

.scenario-cols h3 {
  margin-bottom: 0.7rem;
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.scenario-cols p {
  max-width: 49ch;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.scenario-cols ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.scenario-cols li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.55;
}

.scenario-cols li + li {
  margin-top: 0.5rem;
}

.scenario-cols li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.62rem;
}

.boundary-box {
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 0;
}

.boundary-box__row {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.boundary-box__row:last-child {
  border-bottom: 0;
}

.boundary-box__label {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.boundary-box__value {
  font-size: 0.82rem;
  line-height: 1.45;
}

.boundary-box__value code {
  color: var(--signal);
  font-size: 0.72rem;
}

.mini-ruler {
  position: relative;
  height: 56px;
  margin-top: 0.8rem;
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(
    to right,
    transparent 0,
    transparent calc(10% - 1px),
    var(--line) calc(10% - 1px),
    var(--line) 10%
  );
}

.mini-ruler i {
  position: absolute;
  bottom: 0;
  width: 1px;
  background: var(--ink);
}

.mini-ruler i:nth-child(1) {
  left: 18%;
  height: 22px;
}

.mini-ruler i:nth-child(2) {
  left: 46%;
  height: 38px;
}

.mini-ruler i:nth-child(3) {
  left: 78%;
  height: 30px;
  background: var(--signal);
}

.mini-ruler span {
  position: absolute;
  top: 0;
  font-family: var(--font-mono);
  font-size: 0.46rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.mini-ruler span:nth-of-type(1) {
  left: 18%;
}

.mini-ruler span:nth-of-type(2) {
  left: 46%;
}

.mini-ruler span:nth-of-type(3) {
  left: 78%;
  color: var(--signal);
}

/* Comparison table */
.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.83rem;
}

.compare th,
.compare td {
  padding: 0.8rem 0.7rem 0.8rem 0;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.compare thead th {
  border-top: 1px solid var(--ink);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.53rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.compare tbody th {
  width: 17%;
  color: var(--ink);
  font-weight: 620;
}

.compare td {
  color: var(--muted);
}

.compare td:last-child {
  color: var(--ink-soft);
}

/* MCP page */
.flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: stretch;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.flow-node {
  position: relative;
  min-height: 150px;
  padding: 1rem 0.9rem 1.2rem 0;
}

.flow-node + .flow-node {
  padding-left: 1rem;
  border-left: 1px solid var(--line);
}

.flow-node__index {
  display: block;
  margin-bottom: 2rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.56rem;
}

.flow-node strong {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.88rem;
  font-weight: 620;
  line-height: 1.2;
}

.flow-node span:last-child {
  color: var(--muted);
  font-size: 0.73rem;
  line-height: 1.45;
}

.flow-node::after {
  content: "→";
  position: absolute;
  top: 0.8rem;
  right: 0.45rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
}

.flow-node:last-child::after {
  display: none;
}

.tool-groups {
  column-count: 2;
  column-gap: clamp(2rem, 5vw, 5rem);
}

.tool-group {
  break-inside: avoid;
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
  border-top: 1px solid var(--ink);
}

.tool-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0 0.6rem;
  border-bottom: 1px solid var(--line);
}

.tool-group__head h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.tool-group__head span {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.52rem;
}

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

.tool-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.48rem 0;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.61rem;
  line-height: 1.4;
}

.tool-list li span:last-child {
  color: var(--muted);
  font-size: 0.48rem;
  letter-spacing: 0.04em;
  text-align: right;
  text-transform: uppercase;
}

/* Project page */
.stack {
  border-top: 1px solid var(--ink);
}

.stack-row {
  display: grid;
  grid-template-columns: 4rem minmax(14rem, 1fr) minmax(0, 1.15fr);
  gap: clamp(1rem, 2.5vw, 2.5rem);
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.stack-row__num {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.56rem;
}

.stack-row__name {
  font-size: 1.05rem;
  font-weight: 620;
  line-height: 1.2;
}

.stack-row__copy {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.status-list {
  border-top: 1px solid var(--ink);
}

.status-row {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.status-row__mark {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.6rem;
}

.status-row__label {
  font-size: 0.88rem;
  line-height: 1.45;
}

.status-row__state {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: right;
}

.faq {
  border-top: 1px solid var(--ink);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.05rem 0;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.35;
  cursor: pointer;
  list-style: none;
}

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

.faq summary::after {
  content: "+";
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 400;
}

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

.faq details p {
  max-width: 58ch;
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* Next / closing */
.next-link {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  padding-block: clamp(2.5rem, 5vw, 4rem);
  text-decoration: none;
}

.next-link h2 {
  max-width: none;
  margin: 0;
  font-size: clamp(2.3rem, 5.2vw, 5.6rem);
  font-stretch: 82%;
  line-height: 0.9;
  letter-spacing: -0.06em;
  transition: color 180ms var(--ease);
}

.next-link:hover h2 {
  color: var(--signal);
}

.next-link__arrow {
  align-self: center;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.8rem);
  transition: transform 220ms var(--ease);
}

.next-link:hover .next-link__arrow {
  transform: translate(5px, -5px);
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: var(--paper-on-ink);
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  overflow: clip;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(2rem, 5vw, 6rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.footer-statement {
  max-width: none;
  margin: 0;
  font-size: clamp(1.7rem, 3.2vw, 3rem);
  font-stretch: 86%;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.footer-statement .signal {
  color: var(--signal-bright);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.footer-col h3 {
  margin: 0 0 0.8rem;
  color: #928b7d;
  font-family: var(--font-mono);
  font-size: 0.52rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-col a {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--paper-on-ink);
  font-size: 0.78rem;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--signal-bright);
}

.footer-col p {
  margin: 0 0 0.45rem;
  color: #b5ad9e;
  font-size: 0.72rem;
  line-height: 1.45;
}

.footer-word {
  margin: 0;
  padding-top: 0.5rem;
  border-top: 1px solid #3f3b33;
  font-size: clamp(3.2rem, 14.7vw, 14.5rem);
  font-stretch: 74%;
  font-weight: 700;
  line-height: 0.72;
  letter-spacing: -0.085em;
  white-space: nowrap;
}

.footer-word span {
  color: var(--signal-bright);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0 1.1rem;
  color: #9d9586;
  font-family: var(--font-mono);
  font-size: 0.51rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-meta a {
  color: var(--paper-on-ink);
  text-decoration: none;
}

.footer-meta a:hover {
  color: var(--signal-bright);
}

/* Reveal motion (only when JS is available) */
.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
  transition-delay: var(--delay, 0ms);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js .reveal--now {
  animation: reveal-now 700ms var(--ease) both;
  animation-delay: var(--delay, 0ms);
}

@keyframes reveal-now {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Chinese glyphs are wider; use a language-aware scale instead of squeezing them. */
html[lang="zh-CN"] .page-hero h1 {
  font-size: clamp(2.9rem, 6.2vw, 6.8rem);
  letter-spacing: -0.062em;
}

html[lang="zh-CN"] .section-title {
  font-size: clamp(2.1rem, 4.4vw, 4.8rem);
}

html[lang="zh-CN"] .statement {
  font-size: clamp(2.2rem, 5.4vw, 5.9rem);
}

html[lang="zh-CN"] .sticky-head h2,
html[lang="zh-CN"] .mcp-copy h2 {
  font-size: clamp(2rem, 3.8vw, 4.1rem);
}

html[lang="zh-CN"] .report-copy h2 {
  font-size: clamp(2rem, 3.6vw, 3.9rem);
}

html[lang="zh-CN"] .scenario-head h2 {
  font-size: clamp(2rem, 3.8vw, 4rem);
}

html[lang="zh-CN"] .next-link h2 {
  font-size: clamp(2rem, 4.4vw, 4.8rem);
}

html[lang="zh-CN"] .footer-statement {
  font-size: clamp(1.6rem, 2.8vw, 2.7rem);
}

html[lang="zh-CN"] .hero-title {
  font-size: clamp(3.6rem, 8.3vw, 8.4rem);
}

/* Latin display type needs a little more room between words. */
html[lang="en"] .hero-title,
html[lang="en"] .page-hero h1,
html[lang="en"] .statement,
html[lang="en"] .section-title,
html[lang="en"] .scenario-head h2,
html[lang="en"] .sticky-head h2,
html[lang="en"] .mcp-copy h2,
html[lang="en"] .report-copy h2,
html[lang="en"] .next-link h2,
html[lang="en"] .footer-statement {
  word-spacing: 0.06em;
  letter-spacing: -0.055em;
}

html[lang="en"] .statement {
  letter-spacing: -0.048em;
}

/* Responsive */
@media (max-width: 1180px) {
  .source-link {
    display: none;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(315px, 0.8fr);
    gap: clamp(2rem, 4vw, 3rem);
  }

  .hero-title {
    font-size: clamp(3.6rem, 8.2vw, 7.2rem);
  }

  .specimen-wrap {
    max-width: 430px;
  }
}

@media (max-width: 960px) {
  :root {
    --header-h: 64px;
  }

  .page-hero::after {
    display: none;
  }

  .header-inner {
    grid-template-columns: auto 1fr auto;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.4rem var(--gutter) 1.2rem;
    border-bottom: 1px solid var(--ink);
    background: var(--paper);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 180ms var(--ease), transform 180ms var(--ease),
      visibility 180ms;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-link {
    display: flex;
    justify-content: space-between;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.95rem;
  }

  .nav-num {
    order: 2;
    font-size: 0.62rem;
  }

  .nav-link[aria-current="page"]::after {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-top: 3rem;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-title {
    max-width: none;
    font-size: clamp(4rem, 10.7vw, 7rem);
  }

  .specimen-wrap {
    max-width: 620px;
    justify-self: start;
  }

  .hero-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-meta__item:nth-child(3) {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .hero-meta__item:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .hero-meta__item:nth-child(3),
  .hero-meta__item:nth-child(4) {
    padding-top: 0.9rem;
  }

  .page-hero__body {
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start;
  }

  .page-hero h1 {
    max-width: none;
  }

  .page-hero__aside {
    max-width: 34rem;
  }

  .split,
  .split--even,
  .evidence-grid,
  .mcp-grid,
  .report-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .sticky-head {
    position: static;
  }

  .sticky-head h2 {
    max-width: none;
  }

  .scenario-layout {
    grid-template-columns: 1fr;
  }

  .scenario-rail {
    position: static;
    display: none;
  }

  .report-mock {
    max-width: 620px;
    width: 100%;
  }

  .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .flow-node:nth-child(3) {
    border-left: 0;
  }

  .flow-node:nth-child(4) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .flow-node:nth-child(5) {
    border-top: 1px solid var(--line);
  }

  .flow-node:nth-child(3)::after {
    display: none;
  }

  .method-stage {
    grid-template-columns: 3.5rem minmax(0, 1fr);
    gap: 1rem 1.5rem;
  }

  .method-stage__body {
    grid-column: 2;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 720px) {
  :root {
    --gutter: 1.25rem;
  }

  body {
    font-size: 15px;
  }

  .lang-btn {
    min-height: 40px;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

  .specimen-tab {
    min-height: 42px;
  }

  html[lang="zh-CN"] .page-hero h1 {
    font-size: clamp(2.1rem, 9.4vw, 4.2rem);
    letter-spacing: -0.058em;
  }

  html[lang="zh-CN"] .section-title {
    font-size: clamp(1.8rem, 8vw, 3rem);
  }

  html[lang="zh-CN"] .statement {
    font-size: clamp(1.8rem, 7.8vw, 3.1rem);
    letter-spacing: -0.055em;
  }

  html[lang="en"] .statement {
    font-size: clamp(2rem, 9.6vw, 3.2rem);
  }

  html[lang="zh-CN"] .sticky-head h2,
  html[lang="zh-CN"] .mcp-copy h2,
  html[lang="zh-CN"] .report-copy h2 {
    font-size: clamp(1.8rem, 8.2vw, 3.2rem);
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .section-head__meta {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
  }

  .section-title {
    max-width: none;
  }

  .hero-topline__right {
    display: none;
  }

  .hero-grid {
    padding-top: 2.4rem;
    padding-bottom: 2.5rem;
  }

  .hero-title {
    font-size: clamp(3.5rem, 13.2vw, 5.5rem);
    letter-spacing: -0.065em;
  }

  .hero-title .line--indent {
    padding-left: 0;
  }

  .hero-lede {
    max-width: 30rem;
  }

  .hero-meta__value {
    font-size: 0.74rem;
  }

  .specimen-wrap {
    max-width: none;
  }

  .specimen-body {
    padding: 0.8rem;
  }

  .plot-scale {
    margin-left: 2.8rem;
  }

  .plot-lane {
    grid-template-columns: 2.55rem minmax(0, 1fr);
  }

  .plot-lane__label {
    font-size: 0.41rem;
  }

  .specimen-metric__value {
    font-size: 1.45rem;
  }

  .specimen-metric__label {
    white-space: normal;
  }

  .page-hero h1 {
    font-size: clamp(2.6rem, 10.8vw, 4.6rem);
  }

  .page-hero__body {
    padding-top: 2.6rem;
  }

  .page-hero__top {
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
  }

  .page-hero__top span:nth-child(2) {
    display: none;
  }

  .page-hero__foot {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .method-stage {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }

  .method-stage__num {
    margin-bottom: 0.2rem;
  }

  .method-stage__body {
    grid-column: 1;
  }

  .stack-row {
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: 0.45rem 1rem;
  }

  .stack-row__copy {
    grid-column: 2;
  }

  .status-row {
    grid-template-columns: 1.5rem minmax(0, 1fr);
    gap: 0.35rem 0.75rem;
  }

  .status-row__state {
    grid-column: 2;
    text-align: left;
  }

  .budget-stat b {
    font-size: 1.15rem;
  }

  .budget-stat span {
    font-size: 0.42rem;
  }

  .statement-foot {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .statement {
    max-width: none;
  }

  .ledger-row {
    grid-template-columns: 2.2rem minmax(0, 1fr) 1.5rem;
    gap: 0.7rem;
    padding: 1.15rem 0;
  }

  .ledger-copy {
    grid-column: 2 / 4;
    padding-top: 0.4rem;
    font-size: 0.84rem;
  }

  .ledger-arrow {
    grid-column: 3;
    grid-row: 1;
    align-self: center;
  }

  .ledger-title {
    font-size: 1.55rem;
  }

  .step {
    grid-template-columns: 2.4rem minmax(0, 1fr);
    gap: 0.8rem 1rem;
  }

  .step__copy {
    grid-column: 2;
  }

  .article-block,
  .scenario-cols {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .scenario-head {
    grid-template-columns: 2.4rem minmax(0, 1fr);
    gap: 0.8rem;
  }

  .scenario-tag {
    grid-column: 2;
    justify-self: start;
  }

  .scenario-head h2 {
    font-size: clamp(2rem, 8.6vw, 3.6rem);
  }

  .boundary-box__row {
    grid-template-columns: 4rem minmax(0, 1fr);
  }

  .compare {
    font-size: 0.76rem;
  }

  .compare th,
  .compare td {
    padding-right: 0.4rem;
  }

  .compare thead th:first-child,
  .compare tbody th {
    width: 28%;
  }

  .flow {
    grid-template-columns: 1fr;
  }

  .flow-node {
    min-height: 0;
    padding: 0.85rem 0 1rem;
  }

  .flow-node + .flow-node {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .flow-node__index {
    margin-bottom: 0.8rem;
  }

  .flow-node::after {
    display: none;
  }

  .tool-groups {
    column-count: 1;
  }

  .tool-row {
    grid-template-columns: minmax(0, 1fr) 3.2rem 6.2rem;
    gap: 0.5rem;
  }

  .tool-row__kind {
    font-size: 0.43rem;
  }

  .report-mock {
    min-height: 390px;
  }

  .footer-links {
    gap: 1.5rem;
  }

  .footer-col a {
    font-size: 0.72rem;
  }

  .footer-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.4rem;
  }

  .next-link {
    align-items: flex-start;
  }

  .next-link__arrow {
    padding-top: 0.3rem;
  }
}

@media (max-width: 430px) {
  .hero-title {
    font-size: clamp(3.15rem, 13.8vw, 4.6rem);
  }

  .actions {
    align-items: stretch;
    flex-direction: column;
    gap: 1rem;
  }

  .actions .btn {
    width: 100%;
  }

  .hero-meta {
    grid-template-columns: 1fr 1fr;
  }

  .specimen-metrics {
    gap: 0;
  }

  .specimen-metric {
    padding-right: 0.4rem;
  }

  .specimen-metric + .specimen-metric {
    padding-left: 0.4rem;
  }

  .specimen-metric__value {
    font-size: 1.25rem;
  }

  .specimen-metric__label {
    font-size: 0.42rem;
  }

  .plot-lane {
    grid-template-columns: 2.25rem minmax(0, 1fr);
  }

  .plot-scale {
    margin-left: 2.5rem;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .site-footer,
  .specimen-tabs,
  .copy-btn,
  .next-link {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section,
  .hero,
  .page-hero {
    break-inside: avoid;
  }
}