:root {
  color-scheme: light;
  --paper: #f8f9f5;
  --ink: #1c302b;
  --muted: #5a6a61;
  --green: #216249;
  --line: #dbe2d5;
  --power: #efc885;
  --signal: #8ddfbd;
  --dark: #142e32;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 25px; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 14px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--green); text-underline-offset: 4px; }
button, input, select { font: inherit; }
button, summary, select, .method-option { cursor: pointer; }
button { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid #378460; outline-offset: 4px; }
[hidden] { display: none !important; }
h1, h2, h3, p, figure, dl { margin: 0; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; height: auto; }
small { font-size: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -70px; left: 20px; padding: 12px 20px; background: white; z-index: 20; }
.skip-link:focus { top: 10px; }
.guide-layout { max-width: 1660px; margin: auto; display: grid; grid-template-columns: 226px minmax(0,1fr); }
.guide-sidebar { position: sticky; top: 0; height: 100vh; min-height: 675px; align-self: start; border-right: 1px solid var(--line); padding: 29px 20px 22px; background: #f0f3ec; display: flex; flex-direction: column; }
.brand { color: var(--ink); text-decoration: none; font-size: 24px; font-weight: 700; letter-spacing: -1px; display: flex; align-items: center; gap: 5px; margin-bottom: 39px; }
.brand>span:last-child { margin-left: -5px; font-weight: 400; }
.brand-mark { width: 34px; height: 34px; margin-right: 5px; padding-bottom: 4px; border-radius: 8px; background: #233d30; color: #e0edb4; display: grid; place-items: center; font: 700 28px/1 Georgia, serif; }
.sidebar-label, .eyebrow { font: 600 10px/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: 1px; color: #5b6d55; }
.sidebar-label { margin-bottom: 13px; }
.sidebar-current { display: flex; align-items: center; gap: 10px; margin: 0 -8px; padding: 12px 10px; border: 1px solid #d6e0d0; border-radius: 6px; background: white; font-size: 13px; font-weight: 650; }
.sidebar-current>span { color: #567944; font-size: 17px; }
.sidebar-current small { display: block; color: #697566; font-size: 11px; font-weight: 400; }
.contents-label { margin-top: 35px; }
.section-nav { display: grid; gap: 2px; }
.section-nav a { display: flex; gap: 11px; padding: 10px 0; align-items: center; color: #617065; text-decoration: none; font-size: 12px; }
.section-nav a span { font: 10px/1.5 ui-monospace, monospace; }
.section-nav a[aria-current] { color: #254b33; font-weight: 700; }
.section-nav a[aria-current] span { background: #356446; color: white; border-radius: 3px; padding: 2px 4px; margin: -2px -4px; }
.sidebar-bottom { margin-top: auto; padding-top: 30px; }
.sidebar-bottom a { display: flex; align-items: center; justify-content: space-between; min-height: 42px; font-size: 11px; text-decoration: none; }
.sidebar-bottom p { border-top: 1px solid #d8dfd3; margin-top: 18px; padding-top: 18px; color: #6b7668; font: 10px/1.9 ui-monospace, monospace; }
.mobile-toc { display: none; }
.power-page { padding: 0 44px; min-width: 0; }
.site-header { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 15px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.site-header>div>span { padding: 0 10px; color: #9ba69d; }
.site-header strong { font-weight: 500; color: var(--ink); }
.quiet-button { border: 1px solid #cfd8cd; background: transparent; border-radius: 5px; padding: 8px 13px; min-height: 38px; font-size: 12px; }
.quiet-button span { margin-left: 14px; }
.quiet-button:hover { background: #e9eee4; }
.hero { padding: 31px 0 24px; }
.hero .eyebrow { display: flex; align-items: center; }
.status-dot { height: 6px; width: 6px; background: #417851; margin-right: 8px; border-radius: 50%; }
.hero-tag { margin-left: 12px; padding-left: 12px; border-left: 1px solid #c8d3c0; color: #6f694d; font-size: 9px; letter-spacing: .5px; }
h1 { font-size: clamp(39px, 3.75vw, 56px); font-weight: 580; letter-spacing: -2.2px; line-height: 1.07; margin: 15px 0 17px; }
h1 em { font-style: normal; color: var(--green); }
.hero>p { color: var(--muted); font-size: 15px; max-width: 730px; line-height: 1.8; }
.input-note { display: flex; gap: 12px; align-items: center; border-left: 3px solid #9aa97c; padding: 10px 14px; background: #edf1e5; margin-top: 22px; }
.input-symbol { font: 30px/1 ui-monospace, monospace; color: #667943; }
.input-note p { font-size: 12px; color: #556347; max-width: 850px; }
.input-note strong { color: #354831; }
.method-selector { min-width: 0; border: 0; padding: 0; margin: 0; }
.method-selector legend { font: 600 10px/1.5 ui-monospace, monospace; letter-spacing: .8px; text-transform: uppercase; color: #586a50; padding: 0; margin-bottom: 10px; }
.method-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.method-option { position: relative; display: flex; align-items: center; gap: 12px; padding: 15px 17px; background: transparent; border: 1px solid #d6dfd1; border-radius: 7px; min-width: 0; }
.method-option:hover { background: #edf1e8; }
.method-option:has(input:checked) { border-color: #54856a; background: #e9f0e1; box-shadow: inset 0 0 0 1px #54856a; }
.method-option:has(input:focus-visible) { outline: 3px solid #378460; outline-offset: 4px; }
.method-option input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; margin: 0; cursor: pointer; }
.method-option strong { display: block; font-size: 14px; font-weight: 650; }
.method-option small { color: #64705b; display: block; margin-top: 2px; font-size: 11px; }
.method-index { align-self: start; margin-top: 1px; font: 11px/1.8 ui-monospace, monospace; color: #607953; }
.selection-mark { margin-left: auto; border: 1px solid #bdcbb4; width: 19px; height: 19px; flex-shrink: 0; border-radius: 50%; color: transparent; display: grid; place-items: center; font-size: 11px; }
.method-option:has(input:checked) .selection-mark { color: #fff; background: #416d45; border-color: #416d45; }
.loading-status { color: var(--muted); margin-top: 18px; font-size: 12px; }
.unavailable { background: #f3eddf; color: #615538; padding: 18px; margin-top: 18px; border: 1px solid #ded4b7; border-radius: 5px; }
.selected-design { padding-top: 28px; }
.design-heading { display: flex; justify-content: space-between; align-items: center; gap: 18px; }
h2 { font-size: 30px; letter-spacing: -.9px; line-height: 1.25; font-weight: 580; margin: 9px 0 13px; }
.design-heading h2 { font-size: 26px; margin: 5px 0 10px; letter-spacing: -.6px; }
.revision-tag { max-width: 210px; border: 1px solid #d5ddce; border-radius: 4px; padding: 5px 9px; color: #5c6b50; background: #eef2e8; font: 11px/1.5 ui-monospace, monospace; overflow-wrap: anywhere; }
.lead { color: var(--muted); line-height: 1.8; font-size: 14px; margin-bottom: 20px; max-width: 980px; }
.design-facts { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.design-facts>div { padding: 15px 15px 16px; border-right: 1px solid var(--line); }
.design-facts>div:first-child { padding-left: 0; }
.design-facts>div:last-child { border-right: 0; }
.design-facts dt { font: 10px/1.6 ui-monospace, monospace; color: #65735c; letter-spacing: .6px; text-transform: uppercase; margin-bottom: 5px; }
.design-facts dd { font-size: 12px; font-weight: 550; margin: 0; line-height: 1.65; overflow-wrap: anywhere; }
.section { padding-top: 49px; scroll-margin-top: 72px; }
.architecture-section { padding-top: 33px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 15px; }
.section-meta { font: 10px/1.6 ui-monospace, monospace; color: #63745f; margin-bottom: 16px; letter-spacing: .4px; text-align: right; }
.architecture-map { background: var(--dark); color: #eef2e8; border: 1px solid #244543; border-radius: 9px; overflow: hidden; box-shadow: 0 8px 20px #10221c0a; }
.topology-figure { border: 1px solid #b8c9bb; border-radius: 9px; overflow: hidden; background: #edf1e8; }
.topology-figure .figure-heading { padding: 12px 18px; }
.topology-scroll { overflow-x: auto; background: #142d30; }
.topology-scroll img { display: block; width: 100%; min-width: 760px; }
.topology-figure figcaption { padding: 12px 18px; font-size: 12px; line-height: 1.7; color: #53684e; }
.power-detail { margin-top: 14px; }
.power-detail>summary { display: flex; justify-content: space-between; cursor: pointer; padding: 16px; border: 1px solid #d3ddcb; border-radius: 6px; color: #34523d; font-size: 13px; }
.power-detail[open]>summary { margin-bottom: 12px; }
.swipe-hint { display: none; }
.topology-figure .figure-heading a { color: #36583d; font-size: 11px; text-transform: none; letter-spacing: 0; }
.commissioning-panel { margin-top: 25px; padding: 24px; background: #edf1e6; border: 1px solid #d0dbc7; border-radius: 7px; }
.commissioning-panel h3 { margin: 7px 0 13px; font-size: 21px; font-weight: 600; }
.startup-steps { margin: 0; padding-left: 22px; color: #506348; font-size: 13px; line-height: 1.8; }
.startup-steps li { padding-left: 6px; margin: 10px 0; }
.startup-steps li::marker { color: #3c673d; font-weight: 700; }
.commissioning-panel>p { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 18px; font-size: 12px; }
@media (max-width: 760px) { .swipe-hint { display: block; padding: 8px 14px; color: #bcd1c4; background: #1b3938; font-size: 11px; } .commissioning-panel { padding: 19px; } }
@media print { .topology-scroll img { min-width: 0; } }
.flow-lane { padding: 23px; }
.power-lane { --lane-color: var(--power); }
.signal-lane { --lane-color: var(--signal); border-top: 1px solid #39514d; background: #173334; }
.lane-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 19px; }
.lane-icon { width: 31px; height: 31px; display: grid; place-items: center; color: var(--lane-color); border: 1px solid #50695c; border-radius: 5px; font: 24px/1 ui-monospace, monospace; flex-shrink: 0; }
.lane-heading h3 { color: var(--lane-color); font-size: 15px; font-weight: 600; line-height: 1.35; }
.lane-heading p { color: #b6c9c0; font-size: 11px; margin-top: 3px; }
.lane-key { margin-left: auto; color: var(--lane-color); font: 10px/1.5 ui-monospace, monospace; letter-spacing: 1px; }
.flow-steps { display: grid; grid-template-columns: repeat(var(--step-columns, 3),minmax(0,1fr)); gap: 23px; padding: 0; margin: 0; list-style: none; counter-reset: flow; }
.flow-steps li { min-width: 0; position: relative; border: 1px solid #47615b; border-top: 2px solid var(--lane-color); background: #203c3c; border-radius: 5px; padding: 13px 13px 12px; display: flex; flex-direction: column; }
.flow-steps li:not(:last-child)::after { content: '→'; color: var(--lane-color); position: absolute; right: -21px; top: 43%; font: 20px/1 ui-monospace, monospace; }
.flow-steps li.flow-row-end::after { display: none; }
.step-number { color: var(--lane-color); font: 10px/1.5 ui-monospace, monospace; margin-bottom: 7px; }
.flow-steps h4 { margin: 0 0 6px; font-size: 13px; font-weight: 650; line-height: 1.5; }
.flow-steps p { color: #c1d0c7; font-size: 11px; line-height: 1.8; }
.step-reference { border-top: 1px solid #425b53; color: var(--lane-color); padding-top: 8px; margin-top: 12px; font: 10px/1.6 ui-monospace, monospace; overflow-wrap: anywhere; }
.flow-steps .step-reference:last-child { margin-top: auto; padding-top: 8px; }
.flow-steps p+.step-reference { margin-top: 12px !important; }
.module-note { display: flex; align-items: flex-start; gap: 12px; padding: 14px 23px; border-top: 1px solid #52634a; color: #d5d7b2; background: #283d31; }
.module-note>span { font-size: 20px; color: var(--power); }
.module-note p { font-size: 11px; line-height: 1.8; }
.module-note strong { font-weight: 600; color: #ebddad; }
.isolation-panel { margin-top: 14px; border: 1px solid #d8ddcc; border-radius: 6px; padding: 19px; background: #edf1e6; display: flex; gap: 16px; align-items: flex-start; }
.isolation-symbol { display: flex; align-items: center; justify-content: center; min-width: 45px; height: 45px; border-radius: 6px; background: #e0e7d6; color: #5b7151; }
.isolation-symbol i { width: 8px; height: 2px; background: currentColor; }
.isolation-symbol span { font-size: 27px; line-height: 1; padding: 0 3px; }
.isolation-panel h3 { font-weight: 600; font-size: 16px; margin: 5px 0 7px; line-height: 1.5; }
.isolation-panel p { font-size: 12px; color: #53624b; line-height: 1.8; }
.isolation-panel .isolation-footnote { margin-top: 8px; font-size: 11px; color: #6b725d; }
.text-link { font-size: 12px; margin-bottom: 15px; text-decoration: none; white-space: nowrap; }
.text-link span { margin-left: 8px; }
.board-grid { display: grid; grid-template-columns: minmax(0,1.8fr) minmax(190px,1fr); gap: 18px; }
.board-figure { min-width: 0; border: 1px solid #d2dacb; border-radius: 7px; overflow: hidden; background: #eef1e8; display: flex; flex-direction: column; }
.figure-heading { display: flex; justify-content: space-between; gap: 12px; padding: 11px 15px; border-bottom: 1px solid #d7dfcf; font: 10px/1.5 ui-monospace, monospace; color: #657457; letter-spacing: .6px; }
.figure-heading>span:last-child { font-size: 9px; text-align: right; letter-spacing: 0; }
.board-image-link { display: flex; align-items: center; justify-content: center; flex-grow: 1; background: #f4f6ed; padding: 10px; min-height: 210px; overflow: hidden; }
.board-image-link img { display: block; max-height: 420px; object-fit: contain; width: 100%; transform: scale(1.4); }
figcaption { font-size: 10px; color: #617056; padding: 11px 15px; border-top: 1px solid #d7dfcf; line-height: 1.7; overflow-wrap: anywhere; }
.connector-index { border: 1px solid #d8dfd1; border-radius: 7px; background: #f0f3eb; padding: 19px; align-self: start; }
.connector-index h3 { font-size: 20px; letter-spacing: -.4px; font-weight: 580; margin: 4px 0 6px; }
.index-note { color: #63715b; font-size: 11px; line-height: 1.7; margin-bottom: 12px; }
#connector-index { display: grid; gap: 0; }
.connector-jump { text-decoration: none; display: grid; grid-template-columns: minmax(35px,auto) 1fr auto; gap: 10px; align-items: start; padding: 11px 0; border-top: 1px solid #d5deca; }
.connector-jump strong { font: 600 11px/1.75 ui-monospace, monospace; color: #375d3b; overflow-wrap: anywhere; }
.connector-jump small { display: block; color: #66775c; font-size: 10px; line-height: 1.65; }
.connector-jump>span:last-child { font-size: 13px; }
.all-connections { border-top: 1px solid #d5deca; display: flex; justify-content: space-between; text-decoration: none; font-size: 11px; padding-top: 13px; }
.schematic-detail { margin-top: 14px; border: 1px solid #d3ddca; border-radius: 6px; overflow: hidden; }
.schematic-detail summary { list-style: none; display: flex; gap: 16px; align-items: center; padding: 15px 19px; }
summary::-webkit-details-marker { display: none; }
.schematic-detail summary strong { display: block; font-size: 13px; font-weight: 600; }
.schematic-detail summary small { display: block; font-size: 11px; color: #65745b; margin-top: 2px; }
.details-plus { margin-left: auto; font: 23px/1 ui-monospace, monospace; }
details[open]>summary .details-plus { transform: rotate(45deg); }
#schematic-content { border-top: 1px solid #d8dfd1; }
.schematic-link { display: block; padding: 15px 19px; font-size: 12px; }
.schematic-image { display: block; width: 100%; background: #fff; padding: 10px; }
.schematic-caption { padding: 10px 19px 15px; color: #68755d; font-size: 11px; }
.connection-tools { display: flex; align-items: center; gap: 12px; margin: 5px 0 15px; }
.connection-tools label { font-size: 12px; color: #5a6e50; }
.connection-tools select { max-width: 100%; min-height: 40px; color: #31593a; background: #fff; border: 1px solid #bfcdb4; border-radius: 5px; padding: 8px 35px 8px 11px; font-size: 12px; }
.text-button { font-size: 11px; background: none; border: 0; text-decoration: underline; text-underline-offset: 3px; padding: 9px 3px; color: var(--green); }
.table-shell { border: 1px solid #d6dfce; border-radius: 7px; overflow: hidden; }
.connection-table { width: 100%; border-collapse: collapse; text-align: left; table-layout: fixed; font-size: 12px; }
.connection-table th { font-size: 10px; background: #e9eedf; color: #5b6a4f; font-weight: 600; letter-spacing: .2px; }
.connection-table th, .connection-table td { padding: 14px; vertical-align: top; overflow-wrap: anywhere; }
.connection-table th:nth-child(1) { width: 19%; }
.connection-table th:nth-child(2), .connection-table th:nth-child(3) { width: 23%; }
.connection-table th:nth-child(4) { width: 35%; }
.connection-table tbody tr { background: #fbfcf8; }
.connection-table tbody tr:nth-child(even) { background: #f0f4e9; }
.connection-table tbody td { border-top: 1px solid #dce3d4; }
.connection-table td:first-child { color: #3b5c36; font: 600 11px/1.8 ui-monospace, monospace; }
.pin-label { display: block; color: #647357; font-weight: 400; font-size: 10px; margin-top: 4px; }
.connection-table td:last-child { color: #5d6a55; font-size: 11px; line-height: 1.8; }
.source-line { color: #6d775f; font-size: 10px; margin-top: 10px; line-height: 1.8; }
.download-panel { background: #edf2e5; border: 1px solid #d1ddc4; border-radius: 7px; overflow: hidden; }
.download-intro { padding: 21px; display: flex; gap: 15px; align-items: center; }
.file-symbol { font: 40px/1 ui-monospace, monospace; color: #678951; }
.download-intro h3 { font-size: 19px; font-weight: 600; letter-spacing: -.4px; margin-bottom: 4px; }
.download-intro p { color: #617454; font-size: 11px; }
.primary-link { padding: 10px 15px; border: 1px solid #315d3c; border-radius: 5px; background: #315d3c; color: #f6faee; font-size: 12px; font-weight: 550; text-decoration: none; margin-left: auto; min-width: max-content; }
.primary-link:hover { background: #254d30; }
.primary-link span { margin-left: 20px; }
.download-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #d1ddc4; }
.download-list a { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 13px 21px; font-size: 12px; text-decoration: none; border-bottom: 1px solid #d1ddc4; }
.download-list a:nth-child(odd) { border-right: 1px solid #d1ddc4; }
.download-list a:hover { background: #e4edd9; }
.download-list a span:first-child { overflow-wrap: anywhere; }
.download-list a>span:last-child { color: #748a61; }
.verification-checks { border: 1px solid #d6dfce; border-radius: 7px; overflow: hidden; }
.verification-checks>div { display: grid; grid-template-columns: minmax(180px,1fr) 2fr; gap: 18px; padding: 14px 17px; border-bottom: 1px solid #d6dfce; }
.verification-checks>div:last-child { border-bottom: 0; }
.verification-checks>div:nth-child(odd) { background: #eff3e9; }
.verification-checks dt { color: #5a6a4e; font-size: 12px; }
.verification-checks dd { margin: 0; font-size: 12px; color: #2d4531; overflow-wrap: anywhere; }
.limits-panel { margin-top: 15px; background: #f3efdf; border: 1px solid #ded7bc; border-radius: 6px; padding: 17px 20px; }
.limits-panel .eyebrow { color: #776a40; }
.limits-panel ul { padding-left: 16px; margin: 9px 0 0; }
.limits-panel li { color: #6d6345; font-size: 12px; line-height: 1.8; padding-left: 4px; margin-bottom: 7px; }
.limits-panel li:last-child { margin-bottom: 0; }
.sources { margin-top: 41px; border-top: 1px solid var(--line); padding-top: 24px; }
.sources ul { padding-left: 17px; margin: 13px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 28px; font-size: 11px; }
.sources li { overflow-wrap: anywhere; }
.asset-unavailable { color: #6b705e; font-size: 12px; padding: 17px; }
footer { border-top: 1px solid var(--line); padding: 23px 0 28px; margin-top: 31px; display: flex; align-items: center; flex-wrap: wrap; gap: 22px; font-size: 11px; }
footer a { text-decoration: none; }
footer>span { color: #728068; margin-left: auto; font: 9px/1.5 ui-monospace, monospace; }
@media (min-width: 1440px) {
  .power-page { padding: 0 53px; }
  .flow-steps h4 { font-size: 14px; }
  .flow-steps p, .step-reference { font-size: 12px; }
}
@media (max-width: 1150px) {
  .guide-layout { grid-template-columns: 205px minmax(0,1fr); }
  .guide-sidebar { padding-left: 17px; padding-right: 17px; }
  .power-page { padding: 0 28px; }
  .section-meta { font-size: 9px; }
  .flow-lane { padding: 19px; }
  .flow-steps { gap: 18px; }
  .flow-steps li { padding: 11px; }
  .flow-steps li:not(:last-child)::after { right: -18px; font-size: 18px; }
  .board-grid { grid-template-columns: minmax(0,1.6fr) minmax(180px,1fr); gap: 12px; }
  .connector-index { padding: 16px; }
  .method-option { padding: 13px; gap: 9px; }
  .method-option small { font-size: 10px; }
  .method-option strong { font-size: 13px; }
}
@media (max-width: 960px) {
  .guide-layout { grid-template-columns: 1fr; }
  .guide-sidebar { position: relative; height: auto; min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); padding: 20px 28px 17px; display: grid; grid-template-columns: 1fr auto; align-items: center; }
  .brand { margin: 0; }
  .sidebar-label, .sidebar-current, .contents-label, .sidebar-bottom, .guide-sidebar .section-nav { display: none; }
  .mobile-toc { display: block; position: relative; }
  .mobile-toc summary { display: flex; align-items: center; gap: 15px; list-style: none; font-size: 12px; min-height: 40px; padding: 5px 0 5px 14px; color: #405535; }
  .mobile-toc summary>span { font-size: 21px; }
  .mobile-toc nav { position: absolute; right: -2px; top: 47px; z-index: 3; width: 250px; background: #fff; padding: 10px; border: 1px solid #ced9c2; border-radius: 7px; box-shadow: 0 10px 25px #1c362321; }
  .mobile-toc a { display: block; padding: 13px 9px; border-radius: 3px; font-size: 13px; text-decoration: none; }
  .mobile-toc a:hover { background: #edf3e6; }
  .site-header { display: none; }
  .hero { padding-top: 27px; }
  h1 { font-size: 45px; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 16px; }
  .guide-sidebar { padding: 15px 20px 13px; }
  .brand { font-size: 23px; }
  .brand-mark { width: 30px; height: 30px; font-size: 26px; }
  .power-page { padding: 0 20px; }
  .hero { padding: 24px 0 21px; }
  .hero .eyebrow { font-size: 9px; letter-spacing: .6px; }
  .hero-tag { font-size: 8px; letter-spacing: .2px; margin-left: 9px; padding-left: 9px; }
  h1 { font-size: clamp(33px, 8.5vw, 46px); letter-spacing: -1.65px; line-height: 1.1; margin: 14px 0 15px; }
  .hero>p { font-size: 14px; line-height: 1.8; }
  .input-note { margin-top: 18px; padding: 11px 12px; align-items: flex-start; gap: 10px; }
  .input-symbol { font-size: 27px; margin-top: 4px; }
  .input-note p { font-size: 11px; line-height: 1.8; }
  .method-selector legend { font-size: 9px; }
  .method-options { grid-template-columns: 1fr; gap: 8px; }
  .method-option { padding: 12px 13px; gap: 11px; }
  .method-option strong { font-size: 13px; }
  .method-option small { font-size: 11px; }
  .method-index { font-size: 10px; margin-top: 2px; }
  .selected-design { padding-top: 24px; }
  .design-heading { align-items: flex-start; gap: 10px; flex-direction: column; }
  .design-heading h2 { font-size: 25px; margin-bottom: 0; }
  .revision-tag { max-width: 100%; font-size: 10px; padding: 4px 7px; margin-bottom: 11px; }
  .lead { font-size: 13px; line-height: 1.8; margin-bottom: 17px; }
  .design-facts { grid-template-columns: 1fr 1fr; }
  .design-facts>div { padding: 12px 13px; border-right: 0; }
  .design-facts>div:nth-child(odd) { padding-left: 0; border-right: 1px solid var(--line); }
  .design-facts>div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .design-facts dt { font-size: 9px; }
  .design-facts dd { font-size: 11px; }
  .section { padding-top: 37px; }
  .architecture-section { padding-top: 29px; }
  .section-heading { display: block; }
  .section-meta { display: none; }
  .eyebrow { font-size: 9px; }
  h2 { font-size: 27px; letter-spacing: -.75px; margin: 8px 0 12px; }
  .flow-lane { padding: 18px 15px; }
  .lane-heading { gap: 9px; margin-bottom: 18px; align-items: flex-start; }
  .lane-icon { width: 28px; height: 28px; font-size: 21px; }
  .lane-heading h3 { font-size: 14px; }
  .lane-heading p { font-size: 10px; line-height: 1.7; margin-top: 3px; }
  .lane-key { display: none; }
  .flow-steps { grid-template-columns: 1fr; gap: 21px; }
  .flow-steps li { padding: 12px 13px; }
  .flow-steps h4 { font-size: 13px; }
  .flow-steps p { font-size: 12px; line-height: 1.75; }
  .step-number { font-size: 10px; margin-bottom: 4px; }
  .step-reference { font-size: 10px; }
  .flow-steps li:not(:last-child)::after, .flow-steps li.flow-row-end:not(:last-child)::after { display: block; content: '↓'; position: absolute; top: auto; right: auto; bottom: -19px; left: calc(50% - 6px); font-size: 18px; }
  .module-note { padding: 13px 15px; gap: 8px; }
  .module-note p { font-size: 11px; }
  .isolation-panel { padding: 15px; gap: 10px; }
  .isolation-symbol { min-width: 31px; height: 34px; }
  .isolation-symbol span { font-size: 22px; padding: 0 1px; }
  .isolation-symbol i { width: 5px; }
  .isolation-panel .eyebrow { font-size: 8px; letter-spacing: .65px; }
  .isolation-panel h3 { font-size: 15px; margin-top: 5px; }
  .isolation-panel p { font-size: 12px; }
  .isolation-panel .isolation-footnote { font-size: 10px; }
  .text-link { display: inline-block; font-size: 11px; margin-top: 0; margin-bottom: 13px; }
  .board-grid { grid-template-columns: 1fr; gap: 12px; }
  .figure-heading { padding: 10px 12px; font-size: 9px; }
  .figure-heading>span:last-child { font-size: 8px; }
  .board-image-link { min-height: 140px; padding: 8px; }
  figcaption { font-size: 10px; padding: 10px 12px; }
  .connector-index { padding: 17px; }
  .connector-index h3 { font-size: 21px; }
  .connector-index .index-note { font-size: 12px; }
  .connector-jump { padding: 12px 0; grid-template-columns: 37px 1fr auto; }
  .connector-jump strong { font-size: 12px; }
  .connector-jump small { font-size: 11px; }
  .all-connections { font-size: 12px; padding-top: 14px; }
  .schematic-detail summary { padding: 14px; }
  .schematic-detail summary strong { font-size: 12px; }
  .schematic-detail summary small { font-size: 10px; }
  .connection-tools { flex-wrap: wrap; gap: 8px; }
  .connection-tools label { font-size: 11px; }
  .connection-tools select { min-height: 42px; font-size: 12px; padding-right: 24px; }
  .connection-table, .connection-table tbody, .connection-table tr, .connection-table td { display: block; width: auto; }
  .connection-table thead { display: none; }
  .connection-table tbody tr { padding: 16px 15px; border-bottom: 1px solid #d5dfca; }
  .connection-table tbody tr:last-child { border-bottom: 0; }
  .connection-table tbody td { border: 0; padding: 6px 0; font-size: 12px; }
  .connection-table tbody td:first-child { padding: 0 0 10px; margin-bottom: 3px; border-bottom: 1px solid #dce3d4; display: flex; gap: 9px; font-size: 12px; align-items: baseline; }
  .pin-label { font-size: 11px; margin: 0; }
  .connection-table td:not(:first-child)::before { content: attr(data-label); display: block; color: #6b7a5f; font: 600 9px/1.6 ui-monospace, monospace; letter-spacing: .4px; margin-bottom: 3px; }
  .connection-table td:last-child { font-size: 11px; padding-bottom: 0; }
  .source-line { font-size: 10px; }
  .download-intro { flex-wrap: wrap; padding: 17px; gap: 11px; }
  .file-symbol { display: none; }
  .download-intro h3 { font-size: 20px; }
  .download-intro p { font-size: 12px; }
  .primary-link { width: 100%; margin: 3px 0 0; display: flex; justify-content: space-between; padding: 12px 14px; font-size: 12px; }
  .download-list { grid-template-columns: 1fr; }
  .download-list a { padding: 13px 17px; font-size: 12px; }
  .download-list a:nth-child(odd) { border-right: 0; }
  .verification-checks>div { grid-template-columns: 1fr; gap: 5px; padding: 14px 15px; }
  .verification-checks dt { font-size: 11px; }
  .verification-checks dd { font-size: 12px; }
  .limits-panel { padding: 16px; }
  .limits-panel li { font-size: 12px; }
  .sources { margin-top: 31px; padding-top: 22px; }
  .sources ul { grid-template-columns: 1fr; gap: 9px; font-size: 11px; }
  footer { gap: 11px 20px; font-size: 11px; margin-top: 26px; }
  footer>span { flex-basis: 100%; margin-left: 0; }
}
@media (max-width: 360px) {
  .power-page { padding: 0 16px; }
  .guide-sidebar { padding-left: 16px; padding-right: 16px; }
  .hero-tag { display: none; }
  .hero .eyebrow { font-size: 9px; }
  h1 { font-size: 33px; }
  .method-option small { font-size: 10px; }
  .method-option { padding-left: 11px; padding-right: 11px; }
  .flow-lane { padding-left: 12px; padding-right: 12px; }
  .isolation-panel { padding: 13px; }
  .isolation-symbol { display: none; }
  .connection-tools { gap: 8px 7px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  @page { margin: 12mm; }
  body { background: #fff; font-size: 11px; }
  .guide-layout { display: block; }
  .power-page { padding: 0; }
  .guide-sidebar, .site-header, .method-selector, .skip-link, .connection-tools, footer { display: none !important; }
  .hero { padding-top: 0; }
  h1 { font-size: 35px; }
  h2 { font-size: 23px; }
  .section { padding-top: 24px; }
  .section-meta { display: none; }
  .architecture-map, .method-option, .isolation-panel, .limits-panel { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .flow-steps { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .flow-steps li::after { display: none !important; }
  .flow-steps li, .isolation-panel, .board-grid, .verification-checks>div, .connection-table tr { break-inside: avoid; }
  .flow-lane { padding: 16px; }
  .lane-heading, .flow-steps p { font-size: 11px; }
  .board-image-link { min-height: 0; }
  .board-image-link img { max-height: 280px; }
  .connection-table th, .connection-table td { font-size: 10px; padding: 9px; }
  .connection-table td:last-child { font-size: 10px; }
  .download-intro { padding: 12px; }
  .primary-link { min-width: 0; }
  a { color: inherit; }
}