@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/ibm-plex-sans-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: block;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/ibm-plex-sans-medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: block;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/ibm-plex-sans-semibold.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: block;
}

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

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

@font-face {
  font-family: "IBM Plex Serif";
  src: url("assets/fonts/ibm-plex-serif-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: block;
}

:root {
  color-scheme: dark;
  --bg-base: #0a0f13;
  --bg-raised: #10181d;
  --bg-overlay: #152127;
  --fg-primary: #eef5f2;
  --fg-secondary: #b8c5c1;
  --fg-muted: #7f908c;
  --border-subtle: #1c292f;
  --border-default: #30434a;
  --border-emphasis: #60757b;
  --brand: #63b8c2;
  --brand-strong: #8bd0d6;
  --brand-ink: #071014;
  --data-temp: #d95149;
  --data-dew: #45b875;
  --data-warn: #d1b84e;
  --focus: #a6e2e7;
  --content-width: 100%;
  --page-pad: clamp(1rem, 3.5vw, 4rem);
  --font-sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-copy: "IBM Plex Serif", Georgia, serif;
  --font-data: "IBM Plex Mono", Consolas, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg-base);
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: clip;
  color: var(--fg-primary);
  background:
    linear-gradient(var(--border-subtle) 1px, transparent 1px) 0 0 / 100% 80px,
    var(--bg-base);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

button {
  font: inherit;
}

img,
svg {
  display: block;
}

.fonts-pending .font-gated {
  opacity: 0;
}

.fonts-ready .font-gated {
  opacity: 1;
  transition: opacity 420ms var(--ease-out);
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: -10000px;
  z-index: 5;
  min-height: 44px;
  padding: 0.75rem 1rem;
  color: var(--brand-ink);
  background: var(--brand-strong);
}

.skip-link:focus {
  left: 0.75rem;
}

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

.site-header,
.site-footer,
main > section {
  width: min(100%, var(--content-width));
  margin-inline: auto;
}

.site-header {
  min-height: 80px;
  padding: 0 var(--page-pad);
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(190px, 0.46fr) minmax(430px, 1fr);
  align-items: stretch;
  border-bottom: 1px solid var(--border-default);
  background: color-mix(in srgb, var(--bg-base) 92%, transparent);
}

.brand-lockup {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: stretch;
  min-width: 0;
  color: var(--fg-primary);
  text-decoration: none;
}

.brand-icon-cell {
  display: grid;
  place-items: center;
  border-left: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-default);
}

.brand-icon-cell img {
  width: 36px;
  height: 36px;
}

.brand-wordmark {
  display: grid;
  align-content: center;
  min-width: 0;
  padding: 0 1rem;
}

.brand-wordmark strong {
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.brand-wordmark small {
  margin-top: 0.22rem;
  color: var(--brand-strong);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  line-height: 1;
  text-transform: uppercase;
}

.header-readout {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  padding: 0 1.15rem;
  border-left: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-default);
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
}

.header-readout > span:last-child {
  display: grid;
  min-width: 0;
}

.header-readout small {
  color: var(--fg-muted);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.header-readout strong {
  overflow: hidden;
  color: var(--fg-secondary);
  font-size: 0.66rem;
  font-weight: 400;
  line-height: 1.5;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.release-signal {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  background: var(--data-dew);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--data-dew) 14%, transparent);
}

.site-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  min-width: 0;
}

.site-nav a {
  min-width: 0;
  padding: 0.7rem clamp(0.7rem, 1.25vw, 1.2rem);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-right: 1px solid var(--border-subtle);
  color: var(--fg-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 150ms ease-out, background 150ms ease-out;
}

.site-nav a > span {
  color: var(--brand);
  font-family: var(--font-data);
  font-size: 0.58rem;
  font-weight: 400;
}

.site-nav a:hover {
  color: var(--fg-primary);
  background: var(--bg-raised);
}

.nav-external svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.hero {
  min-height: calc(100dvh - 80px);
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1.18fr);
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-default);
}

.hero-copy {
  position: relative;
  z-index: 1;
  min-width: 0;
  padding: clamp(4rem, 8vh, 8rem) clamp(2rem, 5vw, 6rem) clamp(4rem, 7vh, 7rem) var(--page-pad);
}

.section-marker {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--fg-muted);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-marker::after {
  width: 72px;
  height: 1px;
  content: "";
  background: var(--border-emphasis);
}

.section-marker span {
  color: var(--brand);
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 760px;
  margin: 1.7rem 0 1.5rem;
  font-size: clamp(3rem, 4.8vw, 4.65rem);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.hero h1 span {
  color: var(--brand-strong);
}

.hero-lead {
  max-width: 590px;
  margin: 0;
  color: var(--fg-secondary);
  font-family: var(--font-copy);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.62;
}

.hero-actions,
.ready-actions {
  margin-top: 2.4rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  min-height: 50px;
  padding: 0.82rem 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  border: 1px solid var(--border-default);
  border-radius: 2px;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 150ms ease-out, background 150ms ease-out, border-color 150ms ease-out, color 150ms ease-out;
}

.button:hover {
  border-color: var(--border-emphasis);
}

.button:active {
  transform: translateY(1px);
}

.button-primary {
  color: var(--brand-ink);
  border-color: var(--brand);
  background: var(--brand);
}

.button-primary:hover {
  border-color: var(--brand-strong);
  background: var(--brand-strong);
}

.button-primary svg {
  fill: currentColor;
}

.button-secondary {
  color: var(--fg-secondary);
  background: var(--bg-raised);
}

.button-secondary:hover {
  color: var(--fg-primary);
  background: var(--bg-overlay);
}

.release-readout {
  min-height: 26px;
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1.2rem;
  color: var(--fg-muted);
  font-family: var(--font-data);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}

.release-readout span {
  position: relative;
  white-space: nowrap;
}

.release-readout span:not(:last-child)::after {
  position: absolute;
  right: -0.7rem;
  color: var(--border-emphasis);
  content: "/";
}

.hero-instrument {
  min-width: 0;
  margin: 0;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid var(--border-default);
  background: #080c0f;
}

.instrument-topline {
  min-height: 45px;
  padding: 0.7rem clamp(1rem, 2vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  color: var(--fg-muted);
  font-family: var(--font-data);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
}

.instrument-topline {
  border-bottom: 1px solid var(--border-default);
}

.instrument-image-wrap {
  position: relative;
  min-height: 0;
  overflow: hidden;
  background: #080c0f;
}

.instrument-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 1.5fr 0.7fr;
  gap: 1px;
  background: var(--border-subtle);
}

.instrument-placeholder span {
  background: #0c1216;
}

.instrument-image {
  position: relative;
  width: 100%;
  height: auto;
  max-height: calc(100dvh - 162px);
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity 400ms var(--ease-out);
}

.instrument-image.is-ready {
  opacity: 1;
}

.instrument-scan {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  left: -28%;
  width: 26%;
  opacity: 0;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in srgb, var(--brand) 12%, transparent) 48%,
    color-mix(in srgb, var(--brand-strong) 22%, transparent) 52%,
    transparent
  );
  mix-blend-mode: screen;
  will-change: transform, opacity;
}

.path-section,
.guide-section {
  padding: clamp(5rem, 10vw, 9rem) var(--page-pad);
  border-bottom: 1px solid var(--border-default);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: start;
}

.section-heading h2,
.guide-intro h2,
.ready-section h2 {
  margin: 0;
  max-width: 880px;
  font-size: clamp(2.3rem, 4.5vw, 4.35rem);
  font-weight: 600;
  line-height: 1.03;
  letter-spacing: -0.052em;
}

.section-heading > div > p,
.guide-intro > p:last-child {
  max-width: 650px;
  margin: 1.2rem 0 0;
  color: var(--fg-secondary);
  font-family: var(--font-copy);
  font-size: 1.08rem;
  line-height: 1.62;
}

.path-console {
  margin-top: clamp(3rem, 6vw, 6rem);
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  border-top: 1px solid var(--border-emphasis);
  border-bottom: 1px solid var(--border-emphasis);
}

.path-tabs {
  min-width: 0;
  border-right: 1px solid var(--border-default);
}

.path-tab {
  width: 100%;
  min-height: 104px;
  padding: 1.25rem 1.1rem;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 1rem;
  color: var(--fg-secondary);
  text-align: left;
  border: 0;
  border-bottom: 1px solid var(--border-default);
  background: transparent;
  cursor: pointer;
  transition: color 180ms ease-out, background 180ms ease-out;
}

.path-tab:last-child {
  border-bottom: 0;
}

.path-tab:hover {
  color: var(--fg-primary);
  background: var(--bg-raised);
}

.path-tab.is-active {
  color: var(--fg-primary);
  background: var(--bg-overlay);
  box-shadow: inset 3px 0 0 var(--brand);
}

.path-tab-code {
  color: var(--brand);
  font-family: var(--font-data);
  font-size: 0.72rem;
}

.path-tab > span:nth-child(2) {
  min-width: 0;
  display: grid;
  gap: 0.2rem;
}

.path-tab strong {
  font-size: 1rem;
}

.path-tab small {
  overflow: hidden;
  color: var(--fg-muted);
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.path-tab svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  transition: transform 180ms var(--ease-out);
}

.path-tab.is-active svg {
  color: var(--brand);
  transform: translateX(2px);
}

.path-panel {
  min-width: 0;
  padding: clamp(1.5rem, 4vw, 4rem);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(2rem, 4vw, 5rem);
  align-items: center;
  background: color-mix(in srgb, var(--bg-raised) 68%, var(--bg-base));
}

.path-panel-kicker,
.run-step-label {
  margin: 0 0 0.75rem;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.path-panel h3,
.run-step h3 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: 600;
}

.path-panel-copy > p:nth-of-type(2),
.run-step-copy > p:last-child {
  max-width: 600px;
  color: var(--fg-secondary);
  font-family: var(--font-copy);
  font-size: 1.02rem;
  line-height: 1.6;
}

.path-steps {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border-default);
}

.path-steps li {
  padding: 0.8rem 0;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 0.65rem;
  color: var(--fg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.path-steps span {
  color: var(--fg-muted);
  font-family: var(--font-data);
  font-size: 0.72rem;
}

.source-readout {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border-default);
  background: var(--bg-base);
}

.source-readout-grid {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0.85rem 1.2rem;
  font-family: var(--font-data);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}

.source-readout-grid span {
  color: var(--fg-muted);
}

.source-readout-grid strong {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--fg-secondary);
  font-weight: 500;
}

.source-signal {
  height: 74px;
  margin: 1.2rem 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  align-items: end;
  gap: 7px;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.source-signal span {
  height: var(--signal-height, 30%);
  border-top: 2px solid var(--brand);
  background: color-mix(in srgb, var(--brand) 10%, transparent);
  transition: height 300ms var(--ease-out), border-color 300ms ease-out;
}

.source-signal span:nth-child(1) { --signal-height: 32%; }
.source-signal span:nth-child(2) { --signal-height: 57%; }
.source-signal span:nth-child(3) { --signal-height: 44%; }
.source-signal span:nth-child(4) { --signal-height: 76%; }
.source-signal span:nth-child(5) { --signal-height: 61%; }
.source-signal span:nth-child(6) { --signal-height: 88%; }

.source-readout > p {
  min-height: 24px;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  overflow: hidden;
  color: var(--fg-secondary);
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-mark {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--data-dew);
}

.guide-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.58fr) minmax(0, 1.42fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: start;
}

.guide-intro {
  position: sticky;
  top: 2rem;
}

.guide-intro h2 {
  margin-top: 1.8rem;
}

.runbook {
  min-width: 0;
  border-top: 1px solid var(--border-emphasis);
}

.run-step {
  min-width: 0;
  padding: clamp(2rem, 4.5vw, 4rem) 0;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) minmax(170px, 0.46fr);
  gap: clamp(1rem, 3vw, 3rem);
  align-items: start;
  border-bottom: 1px solid var(--border-default);
}

.run-step-number {
  color: var(--fg-muted);
  font-family: var(--font-data);
  font-size: 0.78rem;
}

.run-step-copy {
  min-width: 0;
}

.run-step-copy > p:last-child {
  margin-bottom: 0;
}

.run-step-action {
  align-self: center;
  min-width: 0;
}

.text-action {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--brand-strong);
  font-weight: 700;
  text-decoration: none;
}

.text-action:hover {
  color: var(--fg-primary);
}

.text-action svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.run-step-data {
  display: grid;
  color: var(--fg-secondary);
  font-family: var(--font-data);
  font-size: 0.72rem;
}

.run-step-data span {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.key-readout {
  margin: 0;
  display: grid;
  gap: 0.7rem;
}

.key-readout > div {
  display: grid;
  grid-template-columns: minmax(80px, 0.65fr) minmax(0, 1fr);
  gap: 0.8rem;
  align-items: center;
}

.key-readout dt,
.key-readout dd {
  margin: 0;
}

.key-readout dd {
  color: var(--fg-muted);
  font-size: 0.74rem;
}

kbd {
  padding: 0.25rem 0.4rem;
  color: var(--fg-primary);
  border: 1px solid var(--border-default);
  border-bottom-color: var(--border-emphasis);
  background: var(--bg-raised);
  font-family: var(--font-data);
  font-size: 0.66rem;
  box-shadow: inset 0 -1px 0 var(--border-subtle);
}

.ready-section {
  padding: clamp(4rem, 8vw, 7rem) var(--page-pad);
  display: grid;
  grid-template-columns: minmax(260px, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: start;
  border-top: 1px solid var(--border-emphasis);
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-raised);
}

.ready-section h2 {
  max-width: 560px;
  margin-top: 1.6rem;
  font-size: clamp(2.2rem, 3.6vw, 3.7rem);
}

.ready-runbook {
  min-width: 0;
  border-top: 1px solid var(--border-emphasis);
}

.ready-runbook dl {
  margin: 0;
}

.ready-runbook dl > div {
  min-width: 0;
  padding: 0.8rem 0;
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-data);
  font-size: 0.75rem;
}

.ready-runbook dt,
.ready-runbook dd {
  min-width: 0;
  margin: 0;
}

.ready-runbook dt {
  color: var(--fg-muted);
}

.ready-runbook dd {
  overflow-wrap: anywhere;
  color: var(--fg-secondary);
}

.ready-actions {
  margin-top: 1.5rem;
  justify-content: flex-start;
}

.site-footer {
  min-height: 82px;
  padding: 1.2rem var(--page-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  color: var(--fg-muted);
  font-size: 0.75rem;
}

.site-footer a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--fg-secondary);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--fg-primary);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
}

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

.hero-copy > *,
.site-header > *,
.hero-instrument,
.reveal {
  backface-visibility: hidden;
}

.back-to-top {
  position: fixed;
  right: clamp(1rem, 2.5vw, 2.5rem);
  bottom: clamp(1rem, 2.5vw, 2rem);
  z-index: 20;
  display: inline-flex;
  min-width: 76px;
  min-height: 48px;
  padding: 0 0.8rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--fg-primary);
  border: 1px solid var(--border-emphasis);
  border-radius: 2px;
  background: color-mix(in srgb, var(--bg-overlay) 94%, transparent);
  box-shadow: 0 12px 32px rgb(0 0 0 / 32%);
  font-family: var(--font-data);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  line-height: 1;
  text-transform: uppercase;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px);
  backdrop-filter: blur(12px);
  transition:
    color 150ms ease-out,
    border-color 150ms ease-out,
    background 150ms ease-out,
    opacity 180ms ease-out,
    transform 260ms var(--ease-out),
    visibility 0s linear 260ms;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  transition-delay: 0s;
}

.back-to-top:hover,
.back-to-top:focus-visible {
  color: var(--brand-strong);
  border-color: var(--brand);
  background: var(--bg-overlay);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.back-to-top svg {
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.5;
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: minmax(0, 0.92fr) minmax(480px, 1.08fr);
  }

  .hero h1 {
    font-size: clamp(3rem, 5vw, 4.2rem);
  }

  .path-panel {
    grid-template-columns: 1fr;
  }

  .run-step {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .run-step-action,
  .key-readout {
    grid-column: 2;
  }

  .guide-section {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .guide-intro {
    position: static;
    max-width: 760px;
  }
}

@media (max-width: 900px) {
  .site-header {
    min-height: 72px;
    grid-template-columns: minmax(230px, 1fr) minmax(360px, 1fr);
  }

  .header-readout {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding-top: 5.5rem;
    padding-bottom: 4.5rem;
  }

  .hero-instrument {
    min-height: auto;
    border-top: 1px solid var(--border-default);
    border-left: 0;
  }

  .instrument-image {
    max-height: none;
  }

  .section-heading,
  .guide-section,
  .ready-section {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 2.2rem;
  }

  .path-console {
    grid-template-columns: 1fr;
  }

  .path-tabs {
    border-right: 0;
    border-bottom: 1px solid var(--border-default);
  }

  .guide-intro {
    position: static;
  }

  .ready-section {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .ready-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  body {
    background-size: 100% 64px;
  }

  .site-header {
    min-height: 64px;
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .site-nav a:first-child,
  .site-nav .nav-external {
    display: none;
  }

  .brand-lockup {
    grid-template-columns: 52px minmax(0, 1fr);
  }

  .brand-icon-cell img {
    width: 32px;
    height: 32px;
  }

  .brand-wordmark {
    padding-inline: 0.8rem;
  }

  .brand-wordmark strong {
    font-size: 0.9rem;
  }

  .site-nav {
    display: block;
  }

  .site-nav a {
    min-height: 64px;
    padding-inline: 0.8rem;
    border-left: 1px solid var(--border-default);
  }

  .hero-copy {
    padding-top: 4rem;
    padding-right: var(--page-pad);
  }

  .hero h1 {
    font-size: clamp(2.75rem, 14vw, 3.65rem);
    letter-spacing: -0.058em;
  }

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

  .button {
    width: 100%;
  }

  .release-readout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.35rem 1rem;
  }

  .release-readout span::after {
    display: none;
  }

  .instrument-topline span:last-child {
    display: none;
  }

  .instrument-image-wrap {
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-inline: contain;
    scrollbar-color: var(--brand) var(--bg-raised);
  }

  .instrument-image-wrap picture {
    display: block;
    width: 760px;
  }

  .instrument-image {
    width: 760px;
    max-width: none;
  }

  .instrument-placeholder {
    width: 760px;
  }

  .path-section,
  .guide-section {
    padding-block: 4.5rem;
  }

  .section-heading h2,
  .guide-intro h2,
  .ready-section h2 {
    font-size: clamp(2.15rem, 11vw, 3rem);
  }

  .path-tab {
    min-height: 94px;
    grid-template-columns: 40px minmax(0, 1fr) 20px;
    gap: 0.75rem;
  }

  .path-panel {
    padding: 1.5rem 1rem;
  }

  .source-readout-grid {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .source-readout-grid strong {
    margin-bottom: 0.6rem;
  }

  .run-step {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 0.9rem;
  }

  .run-step-action,
  .key-readout {
    grid-column: 2;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .ready-runbook dl > div {
    grid-template-columns: 76px minmax(0, 1fr);
  }
}

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

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

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

  .instrument-scan {
    display: none;
  }
}