@font-face {
  font-family: "Source Sans 3";
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url("../source-sans-3-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Source Sans 3";
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url("../source-sans-3-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --ink: #171717;
  --muted: #565656;
  --line: #d6d6d3;
  --line-strong: #aaa9a4;
  --paper: #ffffff;
  --canvas: #eeeeec;
  --navy: #080808;
  --navy-soft: #151515;
  --cyan: #a70000;
  --cyan-dark: #850000;
  --cyan-pale: #f8e8e8;
  --green: #25764a;
  --green-pale: #eaf5ee;
  --amber: #d88409;
  --amber-pale: #fff5dd;
  --danger: #a70000;
  --danger-pale: #f9eaea;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.09);
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --header-height: 98px;
  --content-width: 1500px;
}

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

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

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(158deg, rgba(167, 0, 0, 0.035) 0 11%, transparent 11.1% 100%),
    radial-gradient(circle at 1px 1px, rgba(17, 17, 17, 0.055) 1px, transparent 1.1px) 0 0 / 28px 28px,
    var(--canvas);
  font-family: "Source Sans 3", "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--cyan-dark);
  text-underline-offset: 0.18em;
}

button,
select {
  font: inherit;
}

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

.page-shell {
  width: min(calc(100% - 48px), var(--content-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--navy);
  background: var(--paper);
  border: 2px solid var(--cyan);
  border-radius: var(--radius-sm);
  font-weight: 700;
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  min-height: var(--header-height);
  color: #f7f7f7;
  background: rgba(8, 8, 8, 0.98);
  border-bottom: 3px solid var(--cyan);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(16px);
}

.header-grid {
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(280px, 1.05fr) auto;
  align-items: center;
  gap: 28px;
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  color: inherit;
  text-decoration: none;
}

.brand-logo {
  flex: 0 0 auto;
  width: 184px;
  height: auto;
}

.brand-context {
  padding-left: 17px;
  color: #bdbdbd;
  border-left: 1px solid #414141;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}

.document-name {
  min-width: 0;
  display: grid;
  padding-left: 28px;
  border-left: 1px solid #454545;
  line-height: 1.25;
}

.document-kicker {
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.document-scope {
  margin-top: 5px;
  overflow: hidden;
  color: #d0d0d0;
  font-size: 0.96rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-actions {
  display: flex;
  align-items: end;
  gap: 10px;
}

.language-control {
  display: grid;
  gap: 3px;
  color: #bcbcbc;
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.language-control select {
  min-width: 136px;
  padding: 8px 34px 8px 11px;
  color: #f7f7f7;
  background: #191919;
  border: 1px solid #515151;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  letter-spacing: normal;
  text-transform: none;
}

.print-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 8px 13px;
  color: #f7f7f7;
  background: #191919;
  border: 1px solid #515151;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 700;
}

.print-button:hover,
.language-control select:hover {
  border-color: var(--cyan);
}

.print-button svg {
  width: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.load-status {
  position: absolute;
  right: 24px;
  bottom: 4px;
  color: #ffcf70;
  font-size: 0.72rem;
  text-align: right;
}

.document-layout {
  display: grid;
  grid-template-columns: 245px minmax(0, 1fr);
  align-items: start;
  gap: 34px;
  padding-block: 34px 70px;
}

.manual-nav {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.nav-inner {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  border: 1px solid #272727;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.nav-inner::before {
  content: "";
  display: block;
  height: 4px;
  background: var(--cyan);
}

.nav-title {
  margin: 0;
  padding: 20px 20px 13px;
  color: #a8a8a8;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.manual-nav ol {
  margin: 0;
  padding: 0 10px 13px;
  list-style: none;
}

.manual-nav li + li {
  margin-top: 2px;
}

.manual-nav a {
  display: grid;
  grid-template-columns: 31px 1fr;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  color: #d0d0d0;
  border-radius: 7px;
  font-size: 0.8rem;
  line-height: 1.25;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.manual-nav a > span:first-child {
  color: #777;
  font-family: Consolas, monospace;
  font-size: 0.68rem;
}

.manual-nav a:hover {
  color: #fff;
  background: #202020;
}

.manual-nav a.is-current {
  color: #fff;
  background: #252525;
  box-shadow: inset 3px 0 var(--cyan);
}

.manual-nav a.is-current > span:first-child {
  color: var(--cyan);
}

.nav-summary {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  color: #aaa;
  background: #111;
  border-top: 1px solid #2d2d2d;
  font-size: 0.71rem;
  line-height: 1.35;
}

.nav-summary-value {
  color: var(--cyan);
  font-family: Consolas, monospace;
  font-size: 1.5rem;
  font-weight: 800;
}

.manual {
  min-width: 0;
}

.chapter {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4vw, 58px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 4px solid #181818;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.chapter::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: clamp(110px, 18vw, 250px);
  height: 4px;
  background: var(--cyan);
}

.chapter + .chapter {
  margin-top: 32px;
}

.chapter--intro {
  background:
    linear-gradient(146deg, transparent 0 73%, rgba(167, 0, 0, 0.045) 73.1% 100%),
    radial-gradient(circle at 92% 4%, rgba(167, 0, 0, 0.09), transparent 24rem),
    linear-gradient(135deg, #ffffff 0%, #f7fafc 100%);
}

.chapter-heading {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  margin-bottom: 34px;
}

.chapter-number {
  position: relative;
  z-index: 0;
  display: grid;
  place-items: center;
  width: 68px;
  aspect-ratio: 1;
  color: #171717;
  background: #fff;
  border: 2px solid #171717;
  border-radius: 50%;
  font-family: Consolas, monospace;
  font-size: 1.15rem;
  font-weight: 800;
}

.chapter-number::before,
.chapter-number::after {
  content: "";
  position: absolute;
  z-index: 0;
  opacity: 0.18;
  background: var(--cyan);
}

.chapter-number::before {
  top: calc(50% - 1px);
  left: -7px;
  width: calc(100% + 14px);
  height: 2px;
}

.chapter-number::after {
  top: -7px;
  left: calc(50% - 1px);
  width: 2px;
  height: calc(100% + 14px);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--cyan-dark);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  line-height: 1.4;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  line-height: 1.18;
}

h1,
.chapter-heading h2 {
  max-width: 860px;
  margin-bottom: 15px;
  font-size: clamp(2rem, 4vw, 3.65rem);
  letter-spacing: -0.045em;
  font-weight: 800;
}

.chapter-heading h2 {
  font-size: clamp(1.8rem, 3.1vw, 3rem);
}

h3 {
  margin-bottom: 10px;
  font-size: 1.22rem;
  letter-spacing: -0.02em;
}

h4 {
  margin-bottom: 7px;
  font-size: 1rem;
}

.chapter-lead {
  max-width: 920px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
}

.outcome-panel {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 24px;
  padding: 22px 25px;
  color: #e7edf5;
  background: #111;
  border-left: 5px solid var(--cyan);
  border-radius: var(--radius);
}

.outcome-label {
  color: var(--cyan);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.outcome-panel p {
  margin: 0;
}

.callout {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 15px;
  margin-block: 24px;
  padding: 20px 22px;
  border: 1px solid;
  border-radius: var(--radius);
}

.callout--danger {
  background: var(--danger-pale);
  border-color: #deb6b6;
}

.callout--info {
  background: #f2f2f0;
  border-color: #cfcfcb;
}

.callout--compact {
  margin-block: 18px 0;
  padding: 16px 18px;
}

.callout-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #fff;
  background: var(--danger);
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 1.1rem;
  font-weight: 800;
}

.callout--info .callout-icon {
  background: #242424;
}

.callout h2,
.callout h3,
.callout h4 {
  margin-bottom: 6px;
  font-size: 1rem;
}

.callout p,
.callout ul {
  margin-bottom: 0;
  color: #39475a;
  font-size: 0.92rem;
}

.compact-list {
  padding-left: 20px;
}

.compact-list li + li {
  margin-top: 5px;
}

.preflight {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 30px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.preflight-heading h2 {
  margin: 0;
  font-size: 1.45rem;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-grid li {
  display: grid;
  grid-template-columns: 23px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 13px 15px;
  background: #f5f7fa;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  line-height: 1.42;
}

.check {
  position: relative;
  display: block;
  width: 21px;
  aspect-ratio: 1;
  background: var(--green-pale);
  border: 1px solid #9fd6c0;
  border-radius: 50%;
}

.check::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 5px;
  width: 8px;
  height: 4px;
  border-bottom: 2px solid var(--green);
  border-left: 2px solid var(--green);
  transform: rotate(-45deg);
}

.configuration-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.configuration-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #f7f7f5;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius);
}

.configuration-card--wide {
  grid-column: 1 / -1;
}

.configuration-copy {
  flex: 1;
  padding: 22px 23px 18px;
}

.configuration-copy p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.configuration-topline {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.metric-badge {
  flex: 0 0 auto;
  padding: 5px 9px;
  color: var(--cyan-dark);
  background: var(--cyan-pale);
  border: 1px solid #d7aaaa;
  border-radius: 999px;
  font-family: Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 800;
  line-height: 1.2;
}

figure {
  margin: 0;
}

.configuration-card figure {
  border-top: 1px solid var(--line);
}

.figure-link {
  position: relative;
  display: block;
  overflow: hidden;
  color: inherit;
  background: #f7f7f5;
}

.figure-link::after {
  content: "+";
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: grid;
  place-items: center;
  width: 34px;
  aspect-ratio: 1;
  color: #fff;
  background: rgba(167, 0, 0, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  font-size: 1.25rem;
  line-height: 1;
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 160ms ease, transform 160ms ease;
}

.figure-link:hover::after,
.figure-link:focus-visible::after {
  opacity: 1;
  transform: scale(1);
}

.figure-link img {
  width: 100%;
  transition: transform 240ms ease;
}

.figure-link:hover img {
  transform: scale(1.012);
}

figcaption {
  padding: 11px 14px 13px;
  color: var(--muted);
  background: #fff;
  border-top: 1px solid var(--line);
  font-size: 0.77rem;
  line-height: 1.4;
}

.procedure-step {
  margin-top: 24px;
  padding: 24px;
  background: #f7f7f5;
  border: 1px solid var(--line);
  border-left: 3px solid #222;
  border-radius: var(--radius);
}

.step-copy,
.application-copy {
  display: grid;
  grid-template-columns: 45px minmax(0, 1fr);
  gap: 15px;
  align-items: start;
  margin-bottom: 20px;
}

.step-copy p,
.application-copy p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.step-number {
  display: grid;
  place-items: center;
  width: 43px;
  aspect-ratio: 1;
  color: #fff;
  background: #171717;
  border-radius: 50%;
  font-family: Consolas, monospace;
  font-weight: 800;
}

.figure-pair,
.procedure-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.figure-pair figure,
.feature-figure,
.procedure-step figure,
.application-figure,
.indicator-figure {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.figure-pair--portrait img {
  max-height: 600px;
  object-fit: contain;
}

.state-label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.state-label--ready {
  color: var(--green);
}

.feature-figure img {
  max-height: 680px;
  object-fit: contain;
}

.procedure-split {
  align-items: stretch;
  margin-top: 24px;
}

.procedure-split .procedure-step {
  display: flex;
  flex-direction: column;
  margin: 0;
}

.procedure-step--compact figure {
  margin-top: auto;
}

.procedure-step--compact figure img {
  max-height: 620px;
  object-fit: contain;
}

.completion-strip {
  display: grid;
  grid-template-columns: 53px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-top: 25px;
  padding: 20px 23px;
  background: var(--green-pale);
  border: 1px solid #addac8;
  border-radius: var(--radius);
}

.completion-strip h3,
.completion-strip p {
  margin-bottom: 0;
}

.completion-strip p {
  margin-top: 4px;
  color: #3e5c51;
  font-size: 0.9rem;
}

.completion-icon {
  position: relative;
  display: block;
  width: 50px;
  aspect-ratio: 1;
  background: var(--green);
  border-radius: 50%;
}

.completion-icon::after {
  content: "";
  position: absolute;
  top: 14px;
  left: 13px;
  width: 20px;
  height: 11px;
  border-bottom: 4px solid #fff;
  border-left: 4px solid #fff;
  transform: rotate(-45deg);
}

.indicator-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(320px, 1.22fr);
  gap: 22px;
  align-items: stretch;
}

.indicator-figure img {
  max-height: 680px;
  object-fit: contain;
}

.indicator-states {
  display: grid;
  align-content: stretch;
  gap: 12px;
}

.indicator-state {
  display: grid;
  grid-template-columns: 55px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 20px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.indicator-state p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.led,
.led-stack {
  display: block;
}

.led {
  width: 26px;
  aspect-ratio: 1;
  margin-inline: auto;
  border: 4px solid #dce2e9;
  border-radius: 7px;
  box-shadow: 0 0 0 1px #8c98a8;
}

.led--blue {
  background: #1689ee;
  box-shadow: 0 0 0 1px #1377bd, 0 0 17px rgba(22, 137, 238, 0.75);
}

.led--amber {
  background: #ffac17;
  box-shadow: 0 0 0 1px #c17604, 0 0 17px rgba(255, 172, 23, 0.72);
}

.led-stack {
  display: grid;
  gap: 8px;
}

.led--pulse {
  animation: led-pulse 1.4s infinite;
}

@keyframes led-pulse {
  50% { opacity: 0.25; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .led--pulse { animation: none; opacity: 0.45; }
  .figure-link img,
  .figure-link::after { transition: none; }
}

.role-panel {
  margin-top: 24px;
  padding: 24px;
  color: #dce5f0;
  background: #151515;
  border-radius: var(--radius);
}

.role-panel > h3 {
  color: #fff;
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.role-grid article {
  padding: 16px;
  background: #222;
  border: 1px solid #3d3d3d;
  border-radius: var(--radius-sm);
}

.role-grid p {
  margin: 7px 0 0;
  color: #bbc8d7;
  font-size: 0.82rem;
}

.role-label {
  color: var(--cyan);
  font-size: 0.74rem;
  font-weight: 800;
  line-height: 1.35;
}

.completion-strip--time {
  background: var(--amber-pale);
  border-color: #ead095;
}

.completion-strip--time p {
  color: #66552e;
}

.time-mark {
  display: grid;
  place-items: center;
  width: 50px;
  aspect-ratio: 1;
  color: #fff;
  background: var(--amber);
  border-radius: 50%;
  font-family: Consolas, monospace;
  font-size: 1.4rem;
  font-weight: 800;
}

.time-mark::after {
  content: "min";
  position: absolute;
  margin-top: 61px;
  color: #7f651f;
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.regulatory-panel {
  margin-top: 30px;
  padding: clamp(24px, 3.4vw, 38px);
  color: #e7e7e7;
  background:
    linear-gradient(145deg, transparent 0 78%, rgba(167, 0, 0, 0.18) 78.1% 100%),
    #111;
  border-top: 4px solid var(--cyan);
  border-radius: var(--radius);
}

.regulatory-heading {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.regulatory-badge {
  display: grid;
  place-items: center;
  min-height: 76px;
  padding: 12px;
  color: #fff;
  background: var(--cyan);
  border: 1px solid #d04a4a;
  font-family: Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
}

.regulatory-heading h3 {
  margin-bottom: 10px;
  color: #fff;
  font-size: clamp(1.45rem, 2.4vw, 2rem);
}

.regulatory-heading > div > p:last-child {
  max-width: 900px;
  margin-bottom: 0;
  color: #c8c8c8;
  font-size: 0.95rem;
}

.regulatory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px;
  margin-top: 25px;
}

.regulatory-grid article {
  padding: 20px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid #3b3b3b;
  border-radius: var(--radius-sm);
}

.regulatory-index {
  display: inline-block;
  margin-bottom: 14px;
  color: #ff5b5b;
  font-family: Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.09em;
}

.regulatory-grid h4 {
  color: #fff;
  font-size: 1.02rem;
}

.regulatory-grid p {
  margin-bottom: 0;
  color: #bdbdbd;
  font-size: 0.83rem;
  line-height: 1.5;
}

.regulatory-warning {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 18px;
  margin-top: 14px;
  padding: 16px 19px;
  background: #281313;
  border-left: 4px solid var(--cyan);
}

.regulatory-warning strong {
  color: #fff;
  font-size: 0.85rem;
}

.regulatory-warning p {
  margin: 0;
  color: #d7bcbc;
  font-size: 0.82rem;
}

.regulatory-source {
  margin: 17px 0 0;
  color: #888;
  font-size: 0.72rem;
}

.regulatory-source a {
  color: #e78989;
}

.wifi-flow {
  counter-reset: wifi-step;
}

.procedure-step--flow {
  display: grid;
  grid-template-columns: minmax(270px, 0.72fr) minmax(400px, 1.28fr);
  gap: 22px;
  align-items: center;
}

.procedure-step--flow .step-copy {
  margin-bottom: 0;
}

.procedure-step--flow img {
  width: 100%;
}

.application-step {
  display: grid;
  grid-template-columns: minmax(270px, 0.72fr) minmax(480px, 1.28fr);
  gap: 28px;
  align-items: center;
  padding-block: 28px;
  border-top: 1px solid var(--line);
}

.application-step:first-of-type {
  border-top: 0;
}

.application-step--reverse {
  grid-template-columns: minmax(480px, 1.28fr) minmax(270px, 0.72fr);
}

.application-step--reverse .application-copy {
  order: 2;
}

.application-step--reverse .application-figure {
  order: 1;
}

.application-copy {
  margin-bottom: 0;
}

.control-list {
  margin-top: 20px;
  padding: 16px;
  background: #f4f7fa;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.control-list-title {
  color: var(--ink) !important;
  font-weight: 750;
}

.control-list ul {
  margin: 8px 0 0;
  padding-left: 19px;
  color: var(--muted);
  font-size: 0.85rem;
}

.control-list li + li {
  margin-top: 5px;
}

.quality-note {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  margin-top: 14px;
  padding: 17px;
  color: #eee;
  background: #171717;
  border-left: 4px solid var(--cyan);
  border-radius: var(--radius-sm);
}

.quality-note h4 {
  margin-bottom: 6px;
  color: #fff;
}

.quality-note p {
  margin: 0;
  color: #c7c7c7;
  font-size: 0.82rem;
  line-height: 1.48;
}

.quality-icon {
  position: relative;
  display: block;
  width: 38px;
  aspect-ratio: 1;
  border: 2px solid #fff;
  border-radius: 50%;
}

.quality-icon::before,
.quality-icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.quality-icon::before {
  top: calc(50% - 1px);
  left: -5px;
  width: calc(100% + 10px);
  height: 2px;
}

.quality-icon::after {
  top: -5px;
  left: calc(50% - 1px);
  width: 2px;
  height: calc(100% + 10px);
}

.ready-panel {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  margin-top: 30px;
  padding: 28px;
  color: #eaf0f7;
  background: #111;
  border: 1px solid #292929;
  border-left: 5px solid var(--cyan);
  border-radius: var(--radius);
}

.ready-panel h3 {
  margin-bottom: 8px;
  color: #fff;
  font-size: 1.5rem;
}

.ready-panel p:last-child {
  margin-bottom: 0;
  color: #bbc8d7;
  font-size: 0.93rem;
}

.ready-target {
  position: relative;
  display: block;
  width: 86px;
  aspect-ratio: 1;
  border: 3px solid var(--cyan);
  border-radius: 50%;
}

.ready-target::before,
.ready-target::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.ready-target::before {
  inset: -9px 39px;
}

.ready-target::after {
  inset: 39px -9px;
}

.ready-target span {
  position: absolute;
  inset: 24px;
  background: var(--cyan);
  border-radius: 50%;
}

.troubleshooting-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.troubleshooting-grid article {
  position: relative;
  overflow: hidden;
  min-height: 190px;
  padding: 24px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.troubleshooting-grid article::after {
  content: "";
  position: absolute;
  right: -35px;
  bottom: -55px;
  width: 130px;
  aspect-ratio: 1;
  border: 1px solid #e2e7ed;
  border-radius: 50%;
}

.troubleshooting-grid h3 {
  max-width: 85%;
  margin-top: 17px;
}

.troubleshooting-grid p {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.issue-number {
  color: var(--cyan-dark);
  font-family: Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 800;
}

.troubleshooting-grid .support-card {
  color: #e7edf5;
  background: #151515;
  border-color: #292929;
}

.troubleshooting-grid .support-card::after {
  border-color: #294057;
}

.support-card .issue-number {
  color: var(--cyan);
}

.support-card h3 {
  color: #fff;
}

.support-card p {
  color: #bbc8d7;
}

.site-footer {
  color: #aebbd0;
  background: var(--navy);
  border-top: 4px solid var(--cyan);
}

.footer-inner {
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner div {
  display: grid;
  line-height: 1.4;
}

.footer-logo {
  width: 156px;
  height: auto;
  margin-bottom: 7px;
}

.footer-inner strong {
  color: #fff;
}

.footer-inner span {
  font-size: 0.78rem;
}

.footer-inner a {
  color: var(--cyan);
  font-size: 0.83rem;
  font-weight: 700;
}

@media (max-width: 1180px) {
  :root { --header-height: 82px; }

  .header-grid {
    grid-template-columns: minmax(205px, 1fr) auto;
  }

  .document-name {
    display: none;
  }

  .document-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 22px;
  }

  .page-shell {
    width: min(calc(100% - 32px), var(--content-width));
  }

  .chapter {
    padding: clamp(26px, 4vw, 42px);
  }

  .application-step,
  .application-step--reverse,
  .procedure-step--flow {
    grid-template-columns: 1fr;
  }

  .application-step--reverse .application-copy,
  .application-step--reverse .application-figure {
    order: initial;
  }
}

@media (max-width: 880px) {
  :root { --header-height: 76px; }

  body {
    font-size: 16px;
  }

  .header-grid {
    gap: 12px;
  }

  .brand-logo {
    width: 168px;
  }

  .brand-context,
  .language-control > span,
  .print-button span {
    display: none;
  }

  .language-control {
    display: block;
  }

  .language-control select {
    min-width: 118px;
  }

  .print-button {
    min-width: 42px;
    justify-content: center;
    padding-inline: 10px;
  }

  .document-layout {
    display: block;
    padding-top: 0;
  }

  .manual-nav {
    position: sticky;
    z-index: 80;
    top: var(--header-height);
    width: calc(100% + 32px);
    margin-left: -16px;
    background: var(--navy);
    border-bottom: 1px solid #2b2b2b;
  }

  .nav-inner {
    overflow-x: auto;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    scrollbar-width: thin;
  }

  .nav-title,
  .nav-summary {
    display: none;
  }

  .manual-nav ol {
    display: flex;
    width: max-content;
    padding: 7px 16px;
  }

  .manual-nav li + li {
    margin: 0 0 0 4px;
  }

  .manual-nav a {
    display: flex;
    min-height: 40px;
    padding: 8px 12px;
    white-space: nowrap;
  }

  .manual-nav a.is-current {
    box-shadow: inset 0 -3px var(--cyan);
  }

  .manual {
    padding-top: 22px;
  }

  .chapter + .chapter {
    margin-top: 22px;
  }

  .preflight,
  .indicator-layout {
    grid-template-columns: 1fr;
  }

  .configuration-grid,
  .procedure-split,
  .role-grid,
  .regulatory-grid {
    grid-template-columns: 1fr;
  }

  .regulatory-heading,
  .regulatory-warning {
    grid-template-columns: 1fr;
  }

  .regulatory-badge {
    justify-self: start;
    min-height: 0;
  }

  .configuration-card--wide {
    grid-column: auto;
  }
}

@media (max-width: 600px) {
  :root { --header-height: 68px; }

  .page-shell {
    width: min(calc(100% - 20px), var(--content-width));
  }

  .site-header {
    backdrop-filter: none;
  }

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

  .brand-logo {
    width: 138px;
  }

  .header-actions {
    gap: 6px;
  }

  .language-control select {
    min-width: 112px;
    max-width: 112px;
    padding: 7px 26px 7px 8px;
    font-size: 0.78rem;
  }

  .print-button {
    min-width: 38px;
    min-height: 38px;
  }

  .manual-nav {
    width: calc(100% + 20px);
    margin-left: -10px;
  }

  .manual-nav a {
    font-size: 0.74rem;
  }

  .chapter {
    padding: 23px 17px;
    border-radius: var(--radius);
  }

  .regulatory-panel {
    padding: 22px 17px;
  }

  .chapter-heading {
    grid-template-columns: 47px minmax(0, 1fr);
    gap: 13px;
    margin-bottom: 25px;
  }

  .chapter-number {
    width: 47px;
    font-size: 0.82rem;
  }

  h1,
  .chapter-heading h2 {
    margin-bottom: 10px;
    font-size: 1.75rem;
  }

  .chapter-lead {
    font-size: 0.97rem;
  }

  .outcome-panel,
  .preflight {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .check-grid,
  .figure-pair,
  .troubleshooting-grid {
    grid-template-columns: 1fr;
  }

  .callout {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 12px;
    padding: 17px 15px;
  }

  .callout-icon {
    width: 29px;
    height: 29px;
  }

  .procedure-step {
    padding: 17px;
  }

  .step-copy,
  .application-copy {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 11px;
  }

  .step-number {
    width: 37px;
  }

  .configuration-topline {
    display: block;
  }

  .configuration-topline .metric-badge {
    display: inline-block;
    margin-bottom: 10px;
  }

  .indicator-state {
    grid-template-columns: 45px minmax(0, 1fr);
    padding: 16px;
  }

  .completion-strip,
  .ready-panel {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 13px;
    padding: 18px 16px;
  }

  .completion-icon,
  .time-mark {
    width: 43px;
  }

  .completion-icon::after {
    top: 12px;
    left: 11px;
    width: 18px;
    height: 9px;
  }

  .ready-target {
    width: 44px;
    border-width: 2px;
  }

  .ready-target::before { inset: -5px 19px; }
  .ready-target::after { inset: 19px -5px; }
  .ready-target span { inset: 13px; }
  .ready-panel h3 { font-size: 1.18rem; }

  .footer-inner {
    min-height: 95px;
  }
}

@media print {
  @page {
    size: A4;
    margin: 14mm 13mm 16mm;
  }

  :root {
    --ink: #000;
    --muted: #333;
    --line: #aaa;
    --paper: #fff;
  }

  html {
    scroll-padding-top: 0;
  }

  body {
    color: #000;
    background: #fff;
    font-family: Arial, sans-serif;
    font-size: 9.5pt;
    line-height: 1.38;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .manual-nav,
  .site-footer,
  .skip-link,
  .header-actions,
  .load-status,
  .figure-link::after {
    display: none !important;
  }

  .site-header {
    position: static;
    display: block;
    min-height: 0;
    margin-bottom: 8mm;
    color: #fff;
    background: #080808;
    border-bottom: 1.5mm solid var(--cyan);
    box-shadow: none;
  }

  .site-header .header-grid {
    min-height: 24mm;
    display: flex;
    align-items: center;
    gap: 8mm;
    padding: 4mm 6mm;
  }

  .site-header .brand-logo {
    width: 46mm;
  }

  .site-header .brand-context {
    display: none;
  }

  .site-header .document-name {
    display: grid;
    margin-left: auto;
    padding-left: 7mm;
    border-left-color: #666;
  }

  .site-header .document-kicker {
    color: #fff;
  }

  .site-header .document-scope {
    color: #ccc;
    font-size: 8pt;
  }

  .page-shell {
    width: 100%;
    margin: 0;
  }

  .document-layout {
    display: block;
    padding: 0;
  }

  .chapter {
    overflow: visible;
    padding: 0;
    background: #fff;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .chapter::before {
    display: none;
  }

  .chapter + .chapter {
    margin-top: 0;
    break-before: page;
  }

  .chapter-heading {
    grid-template-columns: 13mm 1fr;
    gap: 5mm;
    margin-bottom: 7mm;
    padding-bottom: 4mm;
    border-bottom: 0.4mm solid #111;
  }

  .chapter-number {
    width: 13mm;
    color: #000;
    background: #fff;
    border: 0.4mm solid #000;
    font-size: 10pt;
  }

  h1,
  .chapter-heading h2 {
    margin-bottom: 2mm;
    font-size: 22pt;
    letter-spacing: -0.02em;
  }

  .chapter-heading h2 {
    font-size: 19pt;
  }

  h3 {
    font-size: 12pt;
  }

  .eyebrow {
    color: var(--cyan);
    font-size: 7pt;
  }

  .chapter-lead {
    color: #222;
    font-size: 10pt;
  }

  .outcome-panel,
  .role-panel,
  .ready-panel {
    color: #000;
    background: #f1f1f1;
    border: 0.3mm solid #777;
  }

  .outcome-panel,
  .ready-panel {
    border-left: 1.2mm solid var(--cyan);
  }

  .outcome-label,
  .role-label,
  .ready-panel .eyebrow,
  .ready-panel h3,
  .ready-panel p:last-child {
    color: #000;
  }

  .role-grid article {
    background: #fff;
    border-color: #999;
  }

  .role-grid p {
    color: #222;
  }

  .regulatory-panel {
    margin-top: 0;
    padding: 5mm;
    color: #000;
    background: #fff;
    border: 0.3mm solid #777;
    border-top: 1.2mm solid var(--cyan);
    break-before: page;
  }

  .regulatory-heading h3,
  .regulatory-grid h4,
  .regulatory-warning strong {
    color: #000;
  }

  .regulatory-heading > div > p:last-child,
  .regulatory-grid p,
  .regulatory-warning p {
    color: #222;
  }

  .regulatory-grid article,
  .regulatory-warning {
    background: #fff;
    border-color: #999;
    break-inside: avoid;
  }

  .regulatory-source,
  .regulatory-source a {
    color: #333;
  }

  .quality-note {
    color: #000;
    background: #fff;
    border: 0.3mm solid #888;
    border-left: 1.2mm solid var(--cyan);
    break-inside: avoid;
  }

  .quality-note h4,
  .quality-note p {
    color: #000;
  }

  .quality-icon {
    border-color: #000;
  }

  .callout,
  .completion-strip,
  .procedure-step,
  .configuration-card,
  .indicator-state,
  .control-list,
  .troubleshooting-grid article {
    background: #fff;
    border-color: #888;
    box-shadow: none;
  }

  .callout-icon,
  .step-number,
  .completion-icon,
  .time-mark {
    color: #fff;
    background: #222;
  }

  .configuration-card,
  .procedure-step,
  .completion-strip,
  .callout,
  .indicator-state,
  .role-panel,
  .application-step,
  .ready-panel,
  .troubleshooting-grid article,
  .quality-note,
  figure {
    break-inside: avoid;
  }

  .configuration-grid,
  .procedure-split,
  .figure-pair,
  .role-grid,
  .troubleshooting-grid {
    gap: 4mm;
  }

  .procedure-step,
  .configuration-copy,
  .role-panel,
  .ready-panel,
  .troubleshooting-grid article {
    padding: 4mm;
  }

  .figure-link img,
  .feature-figure img,
  .procedure-step--compact figure img,
  .indicator-figure img {
    max-height: 145mm;
    object-fit: contain;
  }

  .configuration-card figure img,
  .application-figure img,
  .procedure-step--flow figure img {
    max-height: 120mm;
    object-fit: contain;
  }

  .figure-pair--portrait img {
    max-height: 105mm;
  }

  .figure-link:hover img {
    transform: none;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  figcaption {
    color: #222;
    background: #fff;
    font-size: 7.5pt;
  }

  .led--pulse {
    animation: none;
    opacity: 0.45;
  }
}