/* Hallmark · macrostructure: Forensic Workbench · tone: investigative / technical / cinematic
 * genre: dark editorial · theme: Signal Cobalt · anchor: live application inspection
 * motion: staged entrance · scanning beam · scroll evidence reveal · reduced-motion safe
 */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */
@import url("./tokens.css");

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

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  background: var(--color-graphite);
}

body {
  margin: 0;
  background: var(--color-graphite);
  color: var(--color-graphite-ink);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

html[lang="zh-CN"] body,
html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3,
html[lang="zh-CN"] .brand,
html[lang="zh-CN"] .hero-brand,
html[lang="zh-CN"] .footer-statement {
  font-family: var(--font-display-cjk);
}

body:has(.command-dialog[open]) {
  overflow: clip;
}

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

button,
input {
  font: inherit;
}

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

a {
  color: inherit;
}

button {
  color: inherit;
}

h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3 {
  min-width: 0;
  overflow-wrap: anywhere;
  font-style: normal;
}

h1 {
  max-width: 12ch;
  color: var(--color-graphite-ink);
  font-size: clamp(2.25rem, 10vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 0.94;
}

h2 {
  color: var(--color-ink);
  font-size: var(--text-display-small);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 0.94;
}

h3 {
  color: var(--color-ink);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
}

html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3,
html[lang="zh-CN"] .hero-brand,
html[lang="zh-CN"] .footer-statement {
  letter-spacing: -0.035em;
}

code,
kbd,
.section-index,
.hero-summary,
.command-note,
.stage-header,
.terminal-surface,
.trace-number,
.footer-kicker {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: 0;
  overflow: clip;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-tooltip);
  min-height: var(--control-height);
  padding: var(--space-sm) var(--space-md);
  transform: translateY(calc(-100% - var(--space-xl)));
  background: var(--color-accent);
  color: var(--color-accent-ink);
  text-decoration: none;
}

.skip-link:focus-visible {
  transform: none;
}

:focus-visible {
  outline: var(--rule-focus) solid var(--color-focus);
  outline-offset: 3px;
}

.site-nav {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-sticky-nav);
  min-height: var(--banner-height);
  border-block-end: var(--rule-thin) solid var(--color-graphite-rule);
  background: color-mix(in oklch, var(--color-graphite) 92%, transparent);
  color: var(--color-graphite-ink);
  backdrop-filter: blur(14px);
}

.nav-inner {
  width: min(100%, var(--content-max));
  min-height: var(--banner-height);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-xs);
}

.brand {
  min-width: 0;
  min-height: var(--control-height);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-graphite-ink);
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.brand img {
  width: 1.75rem;
  height: 1.75rem;
}

.command-trigger,
.language-toggle {
  min-width: var(--control-height);
  min-height: var(--control-height);
  border: var(--rule-thin) solid var(--color-graphite-rule);
  border-radius: var(--radius-sm);
  background: var(--color-graphite-2);
  color: var(--color-graphite-muted);
  cursor: pointer;
  transition: border-color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.command-trigger {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding-inline: var(--space-sm);
  white-space: nowrap;
}

.command-trigger-mark {
  color: var(--color-signal);
  font-family: var(--font-mono);
  font-weight: 600;
}

.command-trigger-text,
.command-trigger-keys {
  display: none;
}

.command-trigger kbd,
.command-field kbd,
.command-foot kbd {
  min-width: 1.4rem;
  min-height: 1.4rem;
  display: inline-grid;
  place-items: center;
  border: var(--rule-thin) solid var(--color-graphite-rule);
  border-radius: var(--radius-sm);
  background: var(--color-graphite);
  color: var(--color-graphite-muted);
  font-size: var(--text-xs);
  line-height: 1;
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-xs);
}

.language-toggle {
  width: var(--control-height);
  padding: 0;
  display: inline-grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
}

.nav-link,
.footer-links a {
  min-width: var(--control-height);
  min-height: var(--control-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-graphite-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  text-decoration-color: var(--color-transparent);
  text-underline-offset: 0.3em;
  white-space: nowrap;
  transition: color var(--dur-short) var(--ease-out), text-decoration-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.nav-link-secondary {
  display: none;
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--banner-height));
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: clip;
  background: var(--color-graphite);
  color: var(--color-graphite-ink);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 0 64%, color-mix(in oklch, var(--color-accent) 9%, transparent) 64% 64.15%, transparent 64.15% 100%);
}

.hero-grid,
.footer-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  background-image: linear-gradient(var(--color-graphite-rule) 1px, transparent 1px), linear-gradient(90deg, var(--color-graphite-rule) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: linear-gradient(to bottom, black, transparent 84%);
}

.hero-inner {
  position: relative;
  z-index: var(--z-base);
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding: var(--space-md) var(--page-gutter) var(--space-lg);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: var(--space-md);
}

.hero-copy {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: var(--space-xs);
}

.hero-summary {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-graphite-muted);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.live-signal,
.sticky-status {
  width: 0.45rem;
  height: 0.45rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-signal);
  box-shadow: 0 0 0.75rem color-mix(in oklch, var(--color-signal) 72%, transparent);
}

.live-signal {
  animation: signal-pulse 1.8s var(--ease-in-out) infinite;
}

.hero-brand {
  margin-block: var(--space-2xs) calc(var(--space-xs) * -1);
  color: var(--color-graphite-ink);
  font-size: clamp(3.3rem, 9vw, 8.8rem);
  font-weight: 700;
  letter-spacing: -0.075em;
  line-height: 0.78;
}

.hero-lede {
  max-width: 42ch;
  margin-block-start: var(--space-sm);
  color: var(--color-graphite-muted);
  font-size: var(--text-base);
  line-height: 1.5;
}

.install-command,
.footer-command {
  width: min(100%, 35rem);
  min-height: 3.5rem;
  margin-block-start: var(--space-sm);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-sm);
  border: var(--rule-thin) solid var(--color-graphite-rule);
  background: var(--color-graphite-2);
  color: var(--color-graphite-ink);
}

.install-command .prompt,
.footer-command .prompt {
  margin-inline-start: var(--space-md);
  color: var(--color-signal);
  font-family: var(--font-mono);
  font-weight: 600;
}

.install-command code,
.footer-command code {
  min-width: 0;
  overflow: clip;
  color: var(--color-graphite-ink);
  font-size: var(--text-xs);
  white-space: nowrap;
}

#typed-command.is-typing::after {
  content: "▮";
  color: var(--color-signal);
  animation: caret-blink 1s steps(2) infinite;
}

.copy-button {
  grid-column: 1 / -1;
  min-width: 7.5rem;
  min-height: 3.5rem;
  padding-inline: var(--space-md);
  border: 0;
  border-block-start: var(--rule-thin) solid var(--color-graphite-rule);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out), opacity var(--dur-short) var(--ease-out);
}

.copy-button:active,
.command-trigger:active,
.language-toggle:active,
.nav-link:active,
.footer-links a:active,
.command-item:active,
.brand:active {
  transform: translateY(1px);
}

.copy-button:disabled,
.copy-button[aria-disabled="true"],
.command-trigger:disabled,
.command-trigger[aria-disabled="true"],
.language-toggle:disabled,
.language-toggle[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
}

.copy-button[data-state="loading"] {
  opacity: 0.68;
  cursor: progress;
}

.copy-button[data-state="success"] {
  background: var(--color-success);
}

.copy-button[data-state="error"] {
  background: var(--color-error);
}

.install-command .copy-button:focus-visible,
.footer-command .copy-button:focus-visible {
  outline-color: var(--color-focus-inverse);
}

.command-note {
  color: var(--color-graphite-muted);
  font-size: var(--text-xs);
}

.hero-visual {
  --reveal-order: 1;
  min-width: 0;
  width: 100%;
  perspective: 80rem;
}

.inspection-stage {
  border: var(--rule-thin) solid var(--color-graphite-rule);
  background: var(--color-graphite-2);
  box-shadow: var(--shadow-stage);
  transform: rotateX(var(--stage-rotate-x, 0deg)) rotateY(var(--stage-rotate-y, 0deg));
  transform-style: preserve-3d;
  transition: transform var(--dur-medium) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}

.stage-header {
  position: relative;
  min-height: 2.75rem;
  padding-inline: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  border-block-end: var(--rule-thin) solid var(--color-graphite-rule);
  background: var(--color-graphite-3);
  color: var(--color-graphite-muted);
  font-size: var(--text-xs);
  letter-spacing: 0;
}

.stage-header code {
  position: absolute;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  color: var(--color-graphite-muted);
  font-size: inherit;
  pointer-events: none;
  white-space: nowrap;
}

.terminal-replay {
  position: relative;
  z-index: var(--z-base);
  min-height: 1.75rem;
  margin-inline-start: auto;
  padding-inline: 0.48rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  border: var(--rule-thin) solid var(--color-graphite-rule);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-graphite-muted);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  line-height: 1;
  white-space: nowrap;
  transition: border-color var(--dur-short) var(--ease-out), background var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}

.terminal-window-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.terminal-window-controls i,
.terminal-window-bar i {
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
}

.terminal-window-controls i:nth-child(1),
.terminal-window-bar i:nth-child(1) {
  background: #ff5f57;
}

.terminal-window-controls i:nth-child(2),
.terminal-window-bar i:nth-child(2) {
  background: #febc2e;
}

.terminal-window-controls i:nth-child(3),
.terminal-window-bar i:nth-child(3) {
  background: #28c840;
}

.inspection-viewport {
  position: relative;
  min-height: 27rem;
  padding: clamp(1rem, 3vw, 1.65rem);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.terminal-surface {
  isolation: isolate;
  background: oklch(10.5% 0.014 255);
  color: var(--color-graphite-ink);
  font-variant-numeric: tabular-nums;
  box-shadow: inset 0 1px color-mix(in oklch, white 3%, transparent);
}

.terminal-command,
.terminal-transcript,
.terminal-window-bar {
  position: relative;
  z-index: var(--z-base);
}

.terminal-command {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-graphite-ink);
  font-size: clamp(0.68rem, 1.35vw, 0.82rem);
  line-height: 1.5;
}

.terminal-command code {
  display: inline-block;
  overflow: hidden;
  color: inherit;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.terminal-status > span:first-child,
.terminal-ok {
  color: oklch(78% 0.16 150);
}

.terminal-cursor {
  width: 0.45em;
  height: 1.05em;
  flex: 0 0 auto;
  background: var(--color-signal);
}

.terminal-transcript {
  margin-block-start: 0.22rem;
  display: grid;
  align-content: start;
  color: var(--color-graphite-ink);
  font-size: clamp(0.6rem, 1.15vw, 0.75rem);
  line-height: 1.45;
}

.terminal-status {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-graphite-ink);
  font-size: inherit;
  line-height: inherit;
}

.terminal-block {
  margin-block-start: clamp(0.65rem, 1.35vw, 0.9rem);
  padding-inline-start: 1.35rem;
}

.terminal-app {
  min-width: 0;
  display: grid;
  gap: 0.06rem;
}

.terminal-app strong {
  font-weight: 600;
}

.terminal-app code {
  color: var(--color-graphite-muted);
}

.terminal-runtime {
  display: grid;
  gap: 0.08rem;
}

.terminal-runtime > p:first-child {
  margin-block-end: 0.42rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.terminal-runtime > p:nth-child(2),
.terminal-url {
  color: var(--color-graphite-muted);
}

.terminal-url {
  text-decoration: underline;
  text-underline-offset: 0.14em;
}

.terminal-badge {
  padding-inline: 0.4rem;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-weight: 600;
  line-height: 1.55;
  white-space: nowrap;
}

.terminal-runtime > p:first-child strong {
  color: oklch(80% 0.13 215);
  font-weight: 600;
}

.terminal-evidence {
  display: grid;
  gap: 0.1rem;
}

.terminal-evidence > strong,
.terminal-security > strong {
  font-weight: 600;
}

.terminal-evidence p {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-inline-start: 0.7rem;
}

.terminal-evidence p span {
  color: var(--color-graphite-muted);
}

.terminal-metadata,
.terminal-security dl {
  display: grid;
  gap: 0.04rem;
}

.terminal-metadata > div,
.terminal-security dl > div {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

.terminal-metadata dt,
.terminal-security dt {
  flex: 0 0 auto;
  color: var(--color-graphite-ink);
  font-weight: 600;
}

.terminal-metadata dd,
.terminal-security dd {
  min-width: 0;
  color: var(--color-graphite-muted);
  overflow-wrap: anywhere;
}

.terminal-security {
  display: grid;
  gap: 0.1rem;
}

.terminal-security dl {
  padding-inline-start: 0.7rem;
}

.terminal-security dd.terminal-ok {
  color: oklch(78% 0.16 150);
}

.hero-visual figcaption,
.trace-media figcaption {
  padding-block-start: var(--space-sm);
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
  color: var(--color-graphite-muted);
  font-size: var(--text-xs);
}

.hero-visual figcaption code,
.trace-media figcaption code {
  color: var(--color-signal);
  white-space: nowrap;
}

.hero-foot {
  position: relative;
  z-index: var(--z-base);
  min-height: 3rem;
  padding-inline: var(--page-gutter);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-md);
  border-block-start: var(--rule-thin) solid var(--color-graphite-rule);
  color: var(--color-graphite-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-foot > span:first-child,
.hero-foot > span:last-child {
  color: var(--color-signal);
}

.section-shell,
.method-inner,
.coverage-inner,
.footer-inner {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.trace {
  position: relative;
  padding-block: var(--space-4xl);
  border-block-start: var(--rule-thin) solid var(--color-graphite-rule);
  background: var(--color-graphite-2);
}

.section-heading,
.coverage-heading,
.method-copy {
  display: grid;
  align-content: start;
  gap: var(--space-lg);
}

.section-heading {
  padding-block-end: var(--space-3xl);
}

.section-heading h2,
.coverage-heading h2 {
  max-width: 12ch;
  color: var(--color-graphite-ink);
}

.section-heading > p:last-child,
.coverage-heading > p:last-child,
.method-copy > p:last-child {
  max-width: 48ch;
  color: var(--color-graphite-muted);
  font-size: var(--text-md);
}

.section-index {
  color: var(--color-graphite-muted);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-index > span:first-child {
  color: var(--color-signal);
}

.trace-sequence {
  border-block-end: var(--rule-thin) solid var(--color-graphite-rule);
}

.trace-entry {
  padding-block: var(--space-3xl);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
  border-block-start: var(--rule-thin) solid var(--color-graphite-rule);
}

.trace-copy {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: var(--space-md);
}

.trace-copy h3 {
  color: var(--color-graphite-ink);
}

.trace-number {
  color: var(--color-signal);
  font-size: var(--text-xs);
}

.trace-copy p {
  max-width: 40ch;
  color: var(--color-graphite-muted);
  font-size: var(--text-md);
}

.trace-copy > code {
  width: fit-content;
  min-height: var(--control-height);
  margin-block-start: var(--space-sm);
  padding-inline: var(--space-md);
  display: inline-flex;
  align-items: center;
  border-inline-start: var(--rule-heavy) solid var(--color-signal);
  background: var(--color-graphite-3);
  color: var(--color-graphite-ink);
  font-size: var(--text-sm);
}

.trace-media {
  min-width: 0;
}

.media-frame {
  position: relative;
  min-height: clamp(20rem, 40vw, 29rem);
  padding: 0;
  overflow: hidden;
  border: var(--rule-thin) solid var(--color-graphite-rule);
  background: oklch(10.5% 0.014 255);
}

.terminal-window-bar {
  position: relative;
  min-height: 2.4rem;
  padding-inline: clamp(0.75rem, 2vw, 1.25rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  border-block-end: var(--rule-thin) solid var(--color-graphite-rule);
  background: var(--color-graphite-3);
  color: var(--color-graphite-muted);
  font-size: 0.64rem;
}

.terminal-window-bar > span {
  display: flex;
  gap: 0.34rem;
}

.terminal-window-bar > code {
  position: absolute;
  inset-inline-start: 50%;
  max-width: 46%;
  overflow: hidden;
  transform: translateX(-50%);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.terminal-window-bar i {
  width: 0.55rem;
  height: 0.55rem;
}

.terminal-long-frame {
  --terminal-frame-height: clamp(28rem, 46vw, 34rem);
  --terminal-body-height: calc(var(--terminal-frame-height) - 2.4rem);
  height: var(--terminal-frame-height);
  min-height: 0;
}

.terminal-electron-frame {
  --terminal-frame-height: clamp(23rem, 38vw, 27rem);
}

.terminal-scroll-window {
  position: relative;
  z-index: var(--z-base);
  height: var(--terminal-body-height);
  overflow: auto;
  scrollbar-color: var(--color-graphite-rule) transparent;
  scrollbar-width: thin;
}

.terminal-scroll-window:focus-visible {
  outline-offset: -3px;
}

.terminal-stream {
  width: max-content;
  min-width: 100%;
  padding: clamp(0.85rem, 2vw, 1.25rem);
}

.terminal-stream .terminal-status {
  margin-block-start: 0.38rem;
}

.terminal-raw-output {
  margin: 0.8rem 0 0;
  color: var(--color-graphite-muted);
  font: inherit;
  font-size: clamp(0.54rem, 0.92vw, 0.66rem);
  line-height: 1.5;
  tab-size: 2;
  white-space: pre;
}

.terminal-electron-output {
  min-width: 62rem;
}

.terminal-all-output {
  min-width: 48rem;
}

.trace-media figcaption {
  color: var(--color-graphite-muted);
}

.method {
  position: relative;
  padding-block: var(--space-4xl);
  overflow: clip;
  border-block-start: var(--rule-thin) solid var(--color-graphite-rule);
  background: var(--color-graphite);
  color: var(--color-graphite-ink);
}

.method::after {
  content: "04";
  position: absolute;
  inset-inline-end: -0.04em;
  inset-block-end: -0.22em;
  color: color-mix(in oklch, var(--color-signal) 7%, transparent);
  font-family: var(--font-mono);
  font-size: clamp(13rem, 34vw, 34rem);
  font-weight: 600;
  line-height: 1;
  pointer-events: none;
}

.method-inner {
  position: relative;
  z-index: var(--z-base);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3xl);
}

.method-copy h2,
.method-copy > p:last-child {
  color: var(--color-graphite-ink);
}

.method-copy .section-index {
  color: var(--color-graphite-muted);
}

.method-copy .section-index > span:first-child {
  color: var(--color-signal);
}

.method-ledger {
  border-block-end: var(--rule-thin) solid var(--color-graphite-rule);
}

.method-ledger > div {
  position: relative;
  min-width: 0;
  padding-block: var(--space-lg);
  display: grid;
  grid-template-columns: minmax(7rem, 0.45fr) minmax(0, 1fr);
  align-items: baseline;
  gap: var(--space-lg);
  border-block-start: var(--rule-thin) solid var(--color-graphite-rule);
  transition: padding-inline var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}

.method-ledger dt {
  display: flex;
  gap: var(--space-md);
  color: var(--color-graphite-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.method-ledger dt span {
  color: var(--color-signal);
}

.method-ledger dt b {
  font-weight: 600;
}

.method-ledger dd {
  max-width: 44ch;
  color: var(--color-graphite-muted);
  font-size: var(--text-md);
  line-height: 1.45;
}

.coverage {
  padding-block: var(--space-4xl);
  border-block-start: var(--rule-thin) solid var(--color-graphite-rule);
  background: var(--color-graphite-2);
}

.coverage-inner {
  display: grid;
  gap: var(--space-3xl);
}

.spec-sheet {
  border-block-end: var(--rule-thin) solid var(--color-graphite-rule);
}

.spec-sheet > div {
  min-width: 0;
  padding-block: var(--space-lg);
  display: grid;
  gap: var(--space-xs);
  border-block-start: var(--rule-thin) solid var(--color-graphite-rule);
  transition: padding-inline var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}

.spec-sheet dt {
  color: var(--color-graphite-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.spec-sheet dd {
  color: var(--color-graphite-ink);
  font-size: var(--text-md);
  font-weight: 600;
}

.spec-sheet span {
  color: var(--color-graphite-muted);
  font-size: var(--text-sm);
}

.site-footer {
  position: relative;
  min-height: min(48rem, 86svh);
  padding-block: var(--space-4xl) calc(var(--space-3xl) + var(--control-height));
  overflow: clip;
  border-block-start: var(--rule-thin) solid var(--color-graphite-rule);
  background: var(--color-graphite);
  color: var(--color-graphite-ink);
}

.footer-grid {
  mask-image: linear-gradient(to top, black, transparent 88%);
}

.footer-inner {
  position: relative;
  z-index: var(--z-base);
  min-height: 32rem;
  display: grid;
  align-content: space-between;
  gap: var(--space-xl);
}

.footer-kicker {
  color: var(--color-signal);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-statement {
  max-width: 9ch;
  color: var(--color-graphite-ink);
  font-size: var(--text-display);
  font-weight: 600;
  letter-spacing: -0.065em;
  line-height: 0.84;
}

.footer-command {
  margin-block-start: 0;
}

.footer-meta {
  margin-block-start: var(--space-xl);
  padding-block-start: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-lg);
  border-block-start: var(--rule-thin) solid var(--color-graphite-rule);
}

.brand-footer {
  font-size: var(--text-base);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
}

.sticky-cta {
  position: fixed;
  inset-inline: var(--space-sm);
  inset-block-end: max(var(--space-sm), env(safe-area-inset-bottom));
  z-index: var(--z-sticky);
  min-height: 3.5rem;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-inline-start: var(--space-md);
  border: var(--rule-thin) solid var(--color-graphite-rule);
  background: color-mix(in oklch, var(--color-graphite) 94%, transparent);
  color: var(--color-graphite-ink);
  box-shadow: var(--shadow-stage);
  backdrop-filter: blur(14px);
  opacity: 0;
  transform: translateY(calc(100% + var(--space-xl)));
  pointer-events: none;
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
}

.sticky-cta.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.sticky-command {
  min-width: 0;
  margin-inline-end: auto;
  overflow: clip;
  font-size: var(--text-xs);
  white-space: nowrap;
}

.sticky-command-full {
  display: none;
}

.copy-button-compact {
  grid-column: auto;
  min-width: 5.5rem;
  min-height: 3.5rem;
  border-block-start: 0;
  border-inline-start: var(--rule-thin) solid var(--color-graphite-rule);
}

.command-dialog {
  position: fixed;
  inset: 0;
  width: calc(100% - var(--space-md));
  max-width: none;
  max-height: calc(100dvh - var(--space-md));
  margin: auto;
  padding: 0;
  overflow: clip;
  border: var(--rule-thin) solid var(--color-graphite-rule);
  border-radius: var(--radius-md);
  background: var(--color-graphite-2);
  color: var(--color-graphite-ink);
  box-shadow: var(--shadow-stage);
}

.command-dialog::backdrop {
  background: var(--color-overlay);
  backdrop-filter: blur(4px);
}

.command-field {
  min-height: 4rem;
  padding-inline: var(--space-md);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-sm);
  border-block-end: var(--rule-thin) solid var(--color-graphite-rule);
  color: var(--color-signal);
  font-family: var(--font-mono);
}

.command-field input {
  width: 100%;
  min-height: var(--control-height);
  padding-inline: var(--space-xs);
  border: var(--rule-thin) solid var(--color-transparent);
  border-radius: var(--radius-sm);
  background: var(--color-transparent);
  color: var(--color-graphite-ink);
  outline: var(--rule-input-outline) solid var(--color-transparent);
  outline-offset: 1px;
}

.command-field input:focus-visible {
  outline-color: var(--color-focus);
}

.command-field input:disabled,
.command-field input[aria-disabled="true"] {
  background: var(--color-graphite-3);
  opacity: 0.55;
  cursor: not-allowed;
}

.command-field input[aria-invalid="true"] {
  border-color: var(--color-error);
}

.command-field input[data-state="success"] {
  border-color: var(--color-success);
}

.command-field input[data-state="loading"] {
  cursor: progress;
}

.command-field input::placeholder {
  color: var(--color-graphite-muted);
}

.command-results {
  min-height: 18rem;
  max-height: calc(100dvh - 10rem);
  padding: var(--space-sm);
  overflow-y: auto;
}

.command-group {
  padding: var(--space-sm);
  color: var(--color-graphite-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.command-item {
  min-height: 3.75rem;
  padding: var(--space-sm);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2xs);
  border: var(--rule-thin) solid var(--color-transparent);
  color: var(--color-graphite-ink);
  text-decoration: none;
  transition: border-color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.command-item code {
  overflow: clip;
  color: var(--color-graphite-muted);
  font-size: var(--text-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.command-item > span {
  min-width: 0;
  overflow: clip;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.command-item.is-active {
  border-color: var(--color-graphite-rule);
  background: var(--color-graphite-3);
}

.nav-link[aria-disabled="true"],
.footer-links a[aria-disabled="true"],
.command-item[aria-disabled="true"],
.brand[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.command-item[hidden] {
  display: none;
}

.command-foot {
  min-height: 3.5rem;
  padding-inline: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  border-block-start: var(--rule-thin) solid var(--color-graphite-rule);
  color: var(--color-graphite-muted);
  font-size: var(--text-xs);
}

.command-foot > span:first-child,
.command-foot > span:nth-child(2) {
  display: none;
}

.observer-sentinel {
  position: absolute;
  inset-block-end: var(--space-2xl);
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.js .reveal-once,
.js [data-reveal] {
  opacity: 0;
  transform: translateY(2rem);
}

.js .reveal-once.is-in,
.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition: opacity var(--dur-long) var(--ease-out), transform var(--dur-long) var(--ease-out);
  transition-delay: calc(var(--reveal-order, 0) * 90ms);
}

.js [data-terminal]:not(.is-terminal-active) [data-terminal-line] {
  opacity: 0;
  transform: translateY(0.45rem);
}

.js [data-terminal].is-terminal-active [data-terminal-line] {
  animation: terminal-line-in 380ms var(--ease-out) both;
  animation-delay: var(--terminal-delay, calc(160ms + var(--line, 0) * 90ms));
}

.js [data-terminal].is-terminal-active .terminal-command code {
  animation: terminal-command-type 620ms steps(20, end) both;
  animation-delay: 180ms;
}

.js [data-terminal].is-terminal-active .terminal-cursor {
  animation: caret-blink 720ms steps(1, end) 5;
}

@keyframes terminal-line-in {
  from {
    opacity: 0;
    transform: translateY(0.45rem);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes terminal-command-type {
  from {
    clip-path: inset(0 100% 0 0);
  }

  to {
    clip-path: inset(0);
  }
}

@keyframes signal-pulse {
  50% {
    opacity: 0.38;
    transform: scale(0.72);
  }
}

@keyframes caret-blink {
  50% {
    opacity: 0;
  }
}

@media (max-width: 22rem) {
  .hero-summary {
    letter-spacing: 0.04em;
  }

  .hero-brand {
    font-size: 3rem;
  }

  h1 {
    font-size: 2.1rem;
  }

  .hero-lede {
    font-size: 0.94rem;
    line-height: 1.4;
  }

  .terminal-replay-label {
    display: none;
  }

}

@media (min-width: 40rem) {
  .nav-inner {
    gap: var(--space-md);
  }

  .nav-actions {
    gap: var(--space-md);
  }

  .command-trigger {
    min-width: 14.5rem;
    justify-content: flex-start;
  }

  .command-trigger-text,
  .command-trigger-keys {
    display: inline-flex;
  }

  .command-trigger-keys {
    margin-inline-start: auto;
    gap: var(--space-2xs);
  }

  .hero-inner {
    padding-block: var(--space-xl);
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: var(--space-lg);
  }

  .hero-copy {
    gap: var(--space-md);
  }

  h1 {
    font-size: clamp(2.65rem, 6.2vw, 4.4rem);
  }

  .hero-lede {
    font-size: var(--text-md);
  }

  .install-command,
  .footer-command {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .copy-button {
    grid-column: auto;
    border-block-start: 0;
    border-inline-start: var(--rule-thin) solid var(--color-graphite-rule);
  }

  .inspection-viewport {
    min-height: 28rem;
    padding: clamp(0.9rem, 2vw, 1.35rem);
  }

  .trace-entry {
    grid-template-columns: minmax(12rem, 0.42fr) minmax(0, 1.58fr);
    align-items: center;
    gap: var(--space-3xl);
  }

  .trace-entry-reverse {
    grid-template-columns: minmax(0, 1.58fr) minmax(12rem, 0.42fr);
  }

  .trace-entry-reverse .trace-copy {
    grid-column: 2;
  }

  .trace-entry-reverse .trace-media {
    grid-column: 1;
    grid-row: 1;
  }

  .footer-command {
    width: min(100%, 40rem);
  }

  .footer-meta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .sticky-cta {
    width: min(36rem, calc(100% - var(--space-2xl)));
    inset-inline: auto var(--space-lg);
  }

  .sticky-command-full {
    display: inline;
  }

  .sticky-command-short {
    display: none;
  }

  .command-dialog {
    width: min(38rem, calc(100% - var(--space-2xl)));
    height: fit-content;
    max-height: min(42rem, 78dvh);
  }

  .command-results {
    max-height: min(30rem, calc(78dvh - 7.5rem));
  }

  .command-item {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-lg);
  }

  .command-foot > span:first-child,
  .command-foot > span:nth-child(2) {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    white-space: nowrap;
  }
}

@media (min-width: 60rem) {
  .nav-inner {
    gap: var(--space-xl);
  }

  .nav-link-secondary {
    display: inline-flex;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
    gap: clamp(3rem, 6vw, 7rem);
    padding-block: var(--space-2xl);
  }

  .hero-copy {
    padding-block-end: var(--space-xl);
  }

  .inspection-viewport {
    min-height: 30rem;
  }

  .section-heading {
    grid-template-columns: minmax(0, 0.2fr) minmax(0, 1fr) minmax(18rem, 0.5fr);
    align-items: end;
    gap: var(--space-2xl);
  }

  .section-heading > p:last-child {
    padding-block-end: var(--space-xs);
  }

  .trace-entry {
    min-height: 42rem;
    gap: var(--space-4xl);
  }

  .method-inner {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: var(--space-4xl);
  }

  .method-copy {
    position: sticky;
    inset-block-start: calc(var(--banner-height) + var(--space-xl));
    align-self: start;
  }

  .coverage-inner {
    grid-template-columns: minmax(0, 0.68fr) minmax(0, 1.32fr);
    gap: var(--space-4xl);
  }

  .coverage-heading {
    position: sticky;
    inset-block-start: calc(var(--banner-height) + var(--space-xl));
    align-self: start;
  }

  .spec-sheet > div {
    grid-template-columns: minmax(9rem, 0.42fr) minmax(0, 1fr) minmax(13rem, 0.72fr);
    align-items: baseline;
    gap: var(--space-lg);
  }

  .footer-inner {
    min-height: 38rem;
  }
}

@media (min-width: 90rem) {
  .hero-inner {
    gap: var(--space-4xl);
  }
}

@media (hover: hover) and (pointer: fine) {
  .command-trigger:hover,
  .language-toggle:hover {
    border-color: var(--color-signal);
    background: var(--color-graphite-3);
    color: var(--color-graphite-ink);
  }

  .nav-link:hover,
  .footer-links a:hover {
    color: var(--color-signal);
    text-decoration-color: var(--color-signal);
  }

  .copy-button:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
  }

  .inspection-stage:hover {
    border-color: var(--color-signal);
  }

  .terminal-replay:hover {
    border-color: var(--color-signal);
    background: var(--color-graphite);
    color: var(--color-signal);
  }

  .method-ledger > div:hover {
    padding-inline: var(--space-md);
    background: var(--color-graphite-3);
  }

  .spec-sheet > div:hover {
    padding-inline: var(--space-md);
    background: var(--color-graphite-3);
  }

  .command-field input:hover,
  .command-item:hover {
    background: var(--color-graphite-3);
  }
}

@media (pointer: coarse) {
  .brand,
  .nav-link,
  .footer-links a,
  .command-trigger,
  .language-toggle,
  .copy-button,
  .command-item {
    min-height: 2.75rem;
  }
}

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

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

  .inspection-stage,
  .js .reveal-once,
  .js [data-reveal],
  .js [data-terminal] [data-terminal-line] {
    opacity: 1;
    transform: none;
  }

}