:root {
  --ink: #1c1f1e;
  --panel: #232726;
  --panel-raised: #2b302e;
  --hairline: #39403d;
  --bone: #f1eee3;
  --muted: #9ca49f;
  --lime: #c8f751;
  --oxide: #e45b3d;
  --blue: #2775ca;
  --display: "Archivo", sans-serif;
  --mono: "Martian Mono", monospace;
  --body: "Public Sans", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--ink); color-scheme: dark; scroll-behavior: smooth; }
body { margin: 0; color: var(--bone); background: var(--ink); font-family: var(--body); }
html, body { max-width: 100%; overflow-x: clip; }
button, input { font: inherit; }
a { color: inherit; }
.mono { font-family: var(--mono); }

.top-bar {
  position: sticky;
  z-index: 20;
  top: 0;
  min-height: 58px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 10px clamp(18px, 3vw, 46px);
  border-bottom: 1px solid var(--hairline);
  background: rgba(28, 31, 30, .96);
  backdrop-filter: blur(12px);
}
.brand-group { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.abstract-mark { width: 28px; height: 28px; object-fit: contain; }
.wordmark { font: 800 17px/1 var(--display); letter-spacing: .12em; }
.primary-nav { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; font: 500 9px/1.5 var(--mono); color: var(--muted); }
.primary-nav a { text-decoration: none; padding: 6px 3px; }
.primary-nav a:hover, .primary-nav a.active { color: var(--lime); }
.utility-links { display: flex; gap: 7px; font: 500 8px/1 var(--mono); color: var(--muted); }
.utility-links span, .utility-links a { padding: 8px; border: 1px solid var(--hairline); color: inherit; text-decoration: none; }
.utility-links a:hover { color: var(--lime); border-color: var(--lime); }
.source-status { padding: 7px clamp(18px, 3vw, 46px); border-bottom: 1px solid var(--hairline); color: var(--muted); font: 500 9px/1.4 var(--mono); letter-spacing: .05em; }
.source-status.ready::after, .source-status.warn::after { content: "_"; display: inline-block; margin-left: 5px; animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.source-status.ready { color: var(--lime); }
.source-status.warn { color: #f0b29f; }

main, .site-footer { width: min(100%, 1440px); margin-inline: auto; }
.route { min-height: calc(100vh - 124px); }
.hero-strip {
  min-height: 72vh;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, .96fr);
  border-bottom: 1px solid var(--hairline);
}
.hero-left { padding: clamp(54px, 8vw, 118px) clamp(24px, 6vw, 88px); display: flex; flex-direction: column; justify-content: center; }
.eyebrow, .section-kicker { color: var(--lime); font: 600 10px/1.5 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.hero-headline { margin: 18px 0 0; max-width: 780px; font: 800 clamp(56px, 7.7vw, 118px)/.82 var(--display); font-stretch: condensed; letter-spacing: -.07em; text-transform: uppercase; }
.headline-underline { width: min(280px, 66%); height: 6px; margin-top: 25px; background: linear-gradient(90deg, var(--lime), var(--blue)); }
.hero-subline { max-width: 660px; margin: 26px 0 0; color: #c7ccc9; font-size: clamp(16px, 1.6vw, 22px); line-height: 1.45; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.button, button.button { display: inline-flex; align-items: center; gap: 9px; min-height: 42px; padding: 0 16px; border: 1px solid var(--lime); color: var(--ink); background: var(--lime); font: 700 10px/1 var(--mono); letter-spacing: .08em; text-decoration: none; cursor: pointer; }
.button.secondary { color: var(--bone); border-color: var(--hairline); background: transparent; }
.hero-instrument { position: relative; min-width: 0; min-height: 72vh; padding: clamp(26px, 4vw, 58px); border-left: 1px solid var(--hairline); background: var(--panel); overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.hero-instrument::after { content: ""; pointer-events: none; position: absolute; inset: -40% auto -40% -35%; width: 20%; opacity: 0; background: rgba(255,255,255,.035); transform: rotate(13deg); }
.hero-instrument.live::after { opacity: 1; animation: sweep 12s linear infinite; }
@keyframes sweep { to { transform: translateX(680%) rotate(13deg); } }
.instrument-head { display: flex; justify-content: space-between; gap: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--hairline); font: 500 9px/1.5 var(--mono); color: var(--muted); text-transform: uppercase; }
.instrument-state { color: var(--lime); }
.disc-wrap { min-height: 230px; display: grid; place-items: center; }
.disc { position: relative; width: min(340px, 70vw); aspect-ratio: 1; border: 1px solid #4d5752; border-radius: 50%; background: var(--ink); box-shadow: inset 0 0 0 14px var(--panel), inset 0 0 0 15px var(--hairline); }
.disc::before { content: ""; position: absolute; inset: 24%; border: 1px dashed #58625d; border-radius: 50%; }
.disc.live::before { animation: discSpin var(--disc-duration, 8s) linear infinite; }
.disc::after { content: ""; position: absolute; left: 50%; top: 50%; width: 7px; height: 7px; border-radius: 50%; background: var(--lime); transform: translate(-50%, -50%); box-shadow: 0 0 0 6px #c8f75122; }
.needle { position: absolute; left: 50%; top: 21%; width: 2px; height: 29%; transform-origin: 50% 100%; transform: rotate(-115deg); background: var(--oxide); }
.disc.live .needle { animation: needleLoad .9s cubic-bezier(.16,1,.3,1) forwards; }
@keyframes discSpin { to { transform: rotate(1turn); } }
@keyframes needleLoad { from { transform: rotate(-112deg); } to { transform: rotate(var(--needle-angle)); } }
.odometer { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--hairline); border-left: 1px solid var(--hairline); }
.reading { min-width: 0; padding: 17px; border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.reading-label { display: block; min-height: 26px; color: var(--muted); font: 500 8px/1.35 var(--mono); text-transform: uppercase; }
.reading-value { display: block; margin-top: 8px; overflow-wrap: anywhere; font: 600 clamp(13px, 1.35vw, 19px)/1.15 var(--mono); }
.hero-instrument.live .reading-value:not(.unknown) { animation: digitRoll .65s cubic-bezier(.16,1,.3,1) both; }
@keyframes digitRoll { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.reading-value.unknown { color: var(--muted); font-size: 10px; }
.scan-note { margin: 14px 0 0; color: var(--muted); font: 400 9px/1.6 var(--mono); }
.hero-seal { position: relative; z-index: 2; display: flex; align-items: center; justify-content: flex-end; gap: 8px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--hairline); color: #d5dbd7; font: 500 9px/1.4 var(--mono); }
.hero-seal span { margin-right: auto; }

.daily-strip { display: grid; grid-template-columns: repeat(7, 1fr); border-bottom: 1px solid var(--hairline); }
.day-cell { min-height: 108px; padding: 18px; border-right: 1px solid var(--hairline); background: var(--panel); }
.day-cell:last-child { border-right: 0; }
.day-name { color: var(--muted); font: 500 8px/1 var(--mono); }
.day-total { display: block; margin-top: 24px; color: var(--muted); font: 600 10px/1.3 var(--mono); }
.day-cell.has-data .day-total { color: var(--lime); }

.page-shell { padding: clamp(48px, 7vw, 96px) clamp(20px, 6vw, 88px); }
.page-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .45fr); gap: 50px; align-items: end; padding-bottom: 34px; border-bottom: 1px solid var(--hairline); }
.page-title { margin: 12px 0 0; font: 800 clamp(48px, 7vw, 98px)/.88 var(--display); letter-spacing: -.055em; text-transform: uppercase; }
.page-deck { margin: 0; color: #c5cbc7; font-size: 17px; line-height: 1.6; }
.section { margin-top: 42px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.section-title { margin: 0; font: 700 clamp(22px, 3vw, 38px)/1 var(--display); letter-spacing: -.03em; text-transform: uppercase; }
.note { color: var(--muted); font: 400 9px/1.6 var(--mono); }
.data-table { width: 100%; border-collapse: collapse; border: 1px solid var(--hairline); background: var(--panel); }
.data-table th, .data-table td { padding: 16px; border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); text-align: left; vertical-align: top; }
.data-table th { color: var(--muted); font: 500 8px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.data-table td { font-size: 13px; line-height: 1.45; }
.data-table td.mono { font-size: 10px; }
.data-table a { color: var(--lime); text-underline-offset: 3px; }
.empty-state { padding: 56px 24px; border: 1px dashed #4a524f; text-align: center; color: var(--muted); font: 500 10px/1.7 var(--mono); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--hairline); border-left: 1px solid var(--hairline); }
.card { min-height: 190px; padding: 24px; border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); background: var(--panel); }
.card-num { color: var(--lime); font: 500 9px/1 var(--mono); }
.card h3 { margin: 26px 0 10px; font: 700 21px/1 var(--display); text-transform: uppercase; }
.card p { margin: 0; color: #b4bbb7; font-size: 13px; line-height: 1.55; }
.card a { color: var(--lime); text-underline-offset: 3px; }
.steps { counter-reset: step; border-top: 1px solid var(--hairline); }
.step { counter-increment: step; display: grid; grid-template-columns: 78px 1fr; gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--hairline); }
.step::before { content: "0" counter(step); color: var(--lime); font: 600 14px/1 var(--mono); }
.step h3 { margin: 0 0 8px; font: 700 20px/1.1 var(--display); text-transform: uppercase; }
.step p { margin: 0; max-width: 850px; color: #b9c0bc; line-height: 1.6; }
.code-panel { padding: 24px; border: 1px solid var(--hairline); background: #171a19; overflow-x: auto; color: #cad2ce; font: 400 10px/1.8 var(--mono); white-space: pre-wrap; }
.seal-panel { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 28px; border: 1px solid var(--hairline); background: var(--panel); }
.seal-copy { color: var(--muted); font: 500 10px/1.7 var(--mono); overflow-wrap: anywhere; }
.seal-copy strong { display: block; color: var(--bone); font-size: 12px; }
.seal-copy a { color: var(--lime); text-decoration: none; }
.seal-copy a:hover { text-decoration: underline; text-underline-offset: 3px; }
.copy-button { min-height: 42px; padding: 0 15px; border: 1px solid var(--hairline); background: transparent; color: var(--bone); font: 600 9px/1 var(--mono); cursor: pointer; }
a.copy-button { display: inline-flex; align-items: center; text-decoration: none; }
.copy-button:disabled { opacity: .45; cursor: not-allowed; }
.source-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--hairline); }
.source-list li { display: grid; grid-template-columns: 150px 1fr; gap: 28px; padding: 18px 0; border-bottom: 1px solid var(--hairline); }
.source-list span { color: var(--muted); font: 500 9px/1.5 var(--mono); }
.source-list a { color: var(--bone); overflow-wrap: anywhere; text-underline-offset: 4px; }
.rule-list { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--hairline); border-left: 1px solid var(--hairline); }
.rule { min-height: 165px; padding: 24px; border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); background: var(--panel); }
.rule strong { display: block; margin-bottom: 15px; color: var(--oxide); font: 700 12px/1.2 var(--mono); text-transform: uppercase; }
.rule p { margin: 0; color: #bac0bd; line-height: 1.55; }
.site-footer { display: flex; justify-content: space-between; gap: 30px; padding: 28px clamp(20px, 3vw, 46px); color: var(--muted); font-size: 11px; line-height: 1.55; }
.site-footer p { max-width: 740px; margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 14px; }
.footer-links a { color: var(--lime); text-underline-offset: 3px; }
.status-declared { color: var(--blue); font: 600 9px/1.4 var(--mono); }
.status-seen { color: var(--lime); font: 600 9px/1.4 var(--mono); }
.step a, .code-panel a { color: var(--lime); text-underline-offset: 3px; }

/* FIX UI/UX v1 — dense instrument system */
.head-stamp { margin: 20px 0 0; color: var(--lime); font-size: 9px; letter-spacing: .08em; }
.section-head > div { min-width: 0; }
.section-head .section-kicker { display: block; margin-bottom: 8px; }
.source-chip { display: inline-block; margin-top: 16px; color: var(--muted); font: 500 8px/1.4 var(--mono); }
.source-chip a { color: var(--lime); text-underline-offset: 3px; }
.dashboard-grid { display: grid; grid-template-columns: 1.15fr 1fr 1fr; border-bottom: 1px solid var(--hairline); }
.dash-block { min-width: 0; min-height: 300px; padding: clamp(24px, 3.5vw, 46px); border-right: 1px solid var(--hairline); background: var(--panel); }
.dash-block:last-child { border-right: 0; }
.dash-block .section-head { align-items: start; }
.split-bars { display: grid; gap: 16px; margin-top: 30px; }
.split-bars div { display: grid; grid-template-columns: 1fr minmax(120px, 1fr); gap: 18px; align-items: center; color: var(--muted); font: 500 8px/1.4 var(--mono); }
.split-bars b { position: relative; padding: 10px; border: 1px solid var(--hairline); color: var(--bone); font-size: 8px; overflow: hidden; }
.split-bars b::before { content: ""; position: absolute; inset: 0 auto 0 0; z-index: 0; width: var(--bar); background: #c8f75122; }
.meter-svg { display: block; width: min(100%, 520px); color: var(--bone); }
.svg-case { fill: #1c1f1e; stroke: #4d5752; stroke-width: 2; }
.svg-track { fill: none; stroke: #58625d; stroke-width: 2; stroke-dasharray: 5 8; }
.svg-tick { stroke: var(--bone); stroke-width: 2; }
.svg-number, .svg-label, .svg-readout, .svg-tag { fill: var(--muted); font: 9px var(--mono); text-anchor: middle; }
.svg-number { transform-box: fill-box; transform-origin: center; }
.svg-needle { stroke: var(--oxide); stroke-width: 4; }
.svg-hub { fill: var(--lime); }
.svg-readout { fill: var(--lime); font-size: 18px; font-weight: 700; }
.svg-seal { fill: none; stroke: var(--blue); }
.svg-tag { fill: var(--blue); font-size: 7px; }
.event-log { display: grid; gap: 0; margin: 24px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--hairline); }
.event-log li { position: relative; display: grid; gap: 6px; padding: 18px 10px 18px 22px; border-bottom: 1px solid var(--hairline); }
.event-log li::before { content: ""; position: absolute; left: 0; top: 23px; width: 7px; height: 7px; border: 1px solid var(--lime); border-radius: 50%; }
.event-log time { color: var(--muted); font: 500 8px/1.4 var(--mono); text-transform: uppercase; }
.event-log strong { font: 700 13px/1.3 var(--display); text-transform: uppercase; }
.event-log span { color: #aeb6b2; font-size: 12px; line-height: 1.55; overflow-wrap: anywhere; }
.event-log.horizontal { grid-template-columns: repeat(3, 1fr); }
.event-log.horizontal li { border-right: 1px solid var(--hairline); }
.spec-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 24px 0 0; border-top: 1px solid var(--hairline); border-left: 1px solid var(--hairline); }
.spec-grid div { min-width: 0; padding: 16px; border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.spec-grid dt { color: var(--muted); font: 500 8px/1.4 var(--mono); }
.spec-grid dd { margin: 8px 0 0; overflow-wrap: anywhere; font: 500 11px/1.5 var(--mono); }

.register-art { padding: 28px; border: 1px solid var(--hairline); background: #171a19; }
.tape-chart { display: grid; grid-template-columns: repeat(7, 1fr); min-height: 300px; border: 1px solid var(--hairline); }
.tape-day { min-width: 0; display: grid; grid-template-rows: auto 1fr auto; gap: 12px; padding: 16px 10px; border-right: 1px solid var(--hairline); text-align: center; }
.tape-day:last-child { border-right: 0; }
.tape-day > span, .tape-day > strong { overflow-wrap: anywhere; color: var(--muted); font: 500 8px/1.4 var(--mono); }
.tape-slot { position: relative; width: 14px; min-height: 190px; margin: auto; border: 1px solid var(--hairline); background: repeating-linear-gradient(to bottom, transparent 0 15px, #39403d 16px); }
.tape-slot i { position: absolute; inset: auto 2px 2px; height: var(--height); background: var(--lime); }
.table-tools { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 10px; }
.table-tools label, .pagination, .pagination label { color: var(--muted); font: 500 8px/1.3 var(--mono); }
.table-tools label { display: grid; gap: 7px; width: min(360px, 100%); }
.table-tools input { min-height: 42px; padding: 8px 12px; color: var(--bone); border: 1px solid var(--hairline); outline: 0; background: #171a19; }
.table-tools input:focus { border-color: var(--lime); }
.table-wrap { position: relative; max-width: 100%; overflow: auto; border: 1px solid var(--hairline); }
.table-wrap .data-table { min-width: 900px; border: 0; }
.data-table thead { position: sticky; top: 0; z-index: 2; background: #1c1f1e; }
.data-table th { padding: 0; }
.sort-button { width: 100%; min-height: 45px; padding: 12px 16px; border: 0; color: var(--muted); background: transparent; font: 500 8px/1.4 var(--mono); text-align: inherit; letter-spacing: .07em; cursor: pointer; }
.data-table .numeric { text-align: right; }
.format-row td { color: var(--muted); font: 400 9px/1.5 var(--mono); }
.table-wrap .empty-state { border: 0; border-top: 1px dashed var(--hairline); }
.pagination { display: flex; align-items: center; justify-content: flex-end; gap: 9px; padding: 12px; border: 1px solid var(--hairline); border-top: 0; background: #171a19; }
.pagination button, .pagination select { min-height: 32px; padding: 0 10px; border: 1px solid var(--hairline); color: var(--bone); background: var(--panel); font: inherit; cursor: pointer; }
.pagination button:disabled { opacity: .35; cursor: not-allowed; }
.pagination select { margin-left: 6px; }
.two-up { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.info-panel { min-width: 0; padding: 26px; border: 1px solid var(--hairline); background: var(--panel); }
.parameter-band { display: grid; grid-template-columns: repeat(3, 1fr) auto; border: 1px solid var(--hairline); background: var(--panel); }
.parameter-band > div { display: grid; gap: 9px; padding: 20px; border-right: 1px solid var(--hairline); }
.parameter-band > div span, .summary-cell span { color: var(--muted); font: 500 8px/1.4 var(--mono); }
.parameter-band > div strong, .summary-cell strong { overflow-wrap: anywhere; font: 600 11px/1.4 var(--mono); }
.parameter-band .source-chip { align-self: center; margin: 20px; }

.tariff-art { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0 28px; padding: 28px; border: 1px solid var(--hairline); background: var(--panel); }
.tariff-art .section-head, .tariff-art .price-ladder, .tariff-art .empty-state { grid-column: 1 / -1; }
.price-ladder { display: grid; gap: 5px; padding: 20px; border: 1px solid var(--hairline); background: #171a19; }
.price-rung { display: grid; grid-template-columns: minmax(160px, .6fr) 1fr minmax(110px, auto); gap: 15px; align-items: center; min-height: 28px; font: 500 8px/1.4 var(--mono); }
.price-rung span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); }
.price-rung i { width: var(--width); height: 8px; background: linear-gradient(90deg, var(--blue), var(--lime)); }
.price-rung strong { text-align: right; }
.tariff-summary { display: grid; grid-template-columns: .6fr 1.4fr .8fr 1fr; border: 1px solid var(--hairline); }
.summary-cell { display: grid; gap: 14px; padding: 22px; border-right: 1px solid var(--hairline); background: var(--panel); }
.summary-cell:last-child { border-right: 0; }
.plain-list, .number-list { margin: 22px 0 0; padding-left: 20px; color: #b8bfbb; line-height: 1.65; }
.plain-list li, .number-list li { padding: 7px 0; border-bottom: 1px solid var(--hairline); }

.sequence-board { padding: 28px; border: 1px solid var(--hairline); background: #171a19; }
.sequence-lanes { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--hairline); }
.sequence-lanes span { padding: 12px 6px; border-right: 1px solid var(--hairline); color: var(--lime); font: 600 8px/1.3 var(--mono); text-align: center; }
.sequence-events { position: relative; display: grid; gap: 8px; padding: 18px 0; background: repeating-linear-gradient(90deg, transparent 0 calc(20% - 1px), #39403d calc(20% - 1px) 20%); }
.sequence-events article { position: relative; left: calc(var(--step) * 6%); width: 64%; display: grid; grid-template-columns: 42px 1fr; gap: 10px; padding: 12px; border: 1px solid var(--hairline); background: var(--panel); }
.sequence-events article:nth-child(even) { margin-left: 14%; }
.sequence-events b { color: var(--lime); font: 600 10px/1.4 var(--mono); }
.sequence-events article div { display: grid; gap: 5px; }
.sequence-events strong { font: 700 11px/1.3 var(--display); }
.sequence-events span { color: var(--muted); font: 500 8px/1.5 var(--mono); }
.gas-cutaway { padding: 28px; border-left: 6px solid var(--blue); background: var(--panel); }
.gas-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 12px; align-items: center; margin-top: 25px; }
.gas-flow div { display: grid; gap: 10px; min-height: 96px; padding: 18px; border: 1px solid var(--hairline); }
.gas-flow span { color: var(--muted); font: 500 8px/1.4 var(--mono); }
.gas-flow strong { font: 700 15px/1.2 var(--display); }
.gas-flow > i { color: var(--lime); font-style: normal; }
.gas-cutaway > p { color: #b8bfbb; line-height: 1.65; }
.assertion-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 18px; }
.assertion-grid article { min-width: 0; padding: 26px; border: 1px solid var(--hairline); background: var(--panel); }
.failure-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--hairline); border-left: 1px solid var(--hairline); }
.failure-strip div { display: grid; gap: 9px; padding: 18px; border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.failure-strip span, .failure-strip small { color: var(--muted); font: 500 8px/1.45 var(--mono); }
.failure-strip strong { font: 600 12px/1.35 var(--display); text-transform: uppercase; }

.breaker-art { padding: 28px; border: 1px solid var(--hairline); background: #171a19; }
.breaker-board { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1.2fr; border: 12px solid var(--panel); outline: 1px solid var(--hairline); }
.breaker-board > div { min-height: 170px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 20px; border-right: 1px solid var(--hairline); text-align: center; }
.breaker-board > div:last-child { border: 0; }
.breaker-board span { color: var(--muted); font: 500 8px/1.4 var(--mono); }
.breaker-board strong { overflow-wrap: anywhere; font: 700 13px/1.3 var(--display); text-transform: uppercase; }
.breaker button { width: 38px; height: 68px; border: 1px solid #5b625f; border-radius: 3px; background: linear-gradient(#2f3432 0 46%, #151817 47%); }
.breaker button.on { border-color: var(--lime); background: linear-gradient(var(--lime) 0 46%, #151817 47%); }
.bus i { display: block; width: 60%; height: 5px; background: var(--hairline); }
.bus i.on { background: var(--blue); box-shadow: 0 0 12px #2775ca55; }
.output-terminal { background: var(--panel); }
.panel-topology { display: grid; grid-template-columns: .7fr 1.3fr; gap: 18px; }
.status-stack { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 24px; border: 1px solid var(--hairline); }
.status-stack div { display: grid; gap: 12px; padding: 18px; border-right: 1px solid var(--hairline); }
.status-stack div:last-child { border: 0; }
.status-stack span { color: var(--muted); font: 500 8px/1.3 var(--mono); }
.status-stack strong { color: var(--lime); font: 700 18px/1 var(--mono); }

.method-workflow, .method-architecture, .limit-art { padding: 28px; border: 1px solid var(--hairline); background: var(--panel); }
.workflow-art { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr; gap: 9px; align-items: center; }
.workflow-art > article { min-width: 0; min-height: 164px; display: flex; flex-direction: column; gap: 10px; padding: 17px; border: 1px solid var(--hairline); background: #171a19; }
.workflow-art > article b { color: var(--lime); font: 600 9px/1 var(--mono); }
.workflow-art > article strong { font: 700 14px/1.2 var(--display); }
.workflow-art > article span, .workflow-art > article small { color: var(--muted); font: 500 8px/1.45 var(--mono); }
.workflow-art > article small { margin-top: auto; color: #e9a392; }
.workflow-art > i, .architecture-art > i { color: var(--lime); font-style: normal; }
.architecture-art { display: grid; grid-template-columns: .7fr auto 1fr 1.4fr; gap: 16px; align-items: center; }
.architecture-art > div:not(.arch-branch), .arch-branch div { display: grid; gap: 10px; min-height: 132px; padding: 20px; border: 1px solid var(--hairline); background: #171a19; }
.architecture-art span { color: var(--muted); font: 500 8px/1.4 var(--mono); }
.architecture-art strong { font: 700 14px/1.25 var(--display); }
.architecture-art small { color: var(--lime); font: 500 8px/1.5 var(--mono); }
.arch-branch { display: grid; grid-template-columns: auto 1fr auto 1fr; gap: 8px; align-items: center; }
.arch-branch > i { color: var(--blue); font: 500 8px/1.3 var(--mono); font-style: normal; writing-mode: vertical-rl; }
.architecture-art > p { grid-column: 1 / -1; margin: 0; color: var(--muted); font: 500 9px/1.6 var(--mono); }
.method-rules { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.method-rules > div { padding: 26px; border: 1px solid var(--hairline); background: var(--panel); }
.state-machine { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 12px; align-items: center; }
.state-machine > div { min-height: 120px; display: grid; align-content: center; gap: 12px; padding: 18px; border: 1px solid var(--hairline); background: #171a19; }
.state-machine > div.active { border-color: var(--lime); }
.state-machine span { color: var(--lime); font: 600 9px/1.3 var(--mono); }
.state-machine strong { font: 700 13px/1.3 var(--display); text-transform: uppercase; }
.state-machine > i { color: var(--oxide); font: 500 8px/1 var(--mono); font-style: normal; }
.state-machine > p { grid-column: 1 / -1; margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.limits-map { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.limits-map > article { min-width: 0; padding: 22px; border: 1px solid var(--hairline); background: #171a19; overflow: hidden; }
.limits-map .workflow-art { grid-template-columns: 1fr; }
.limits-map .workflow-art > i { transform: rotate(90deg); text-align: center; }
.limits-map .workflow-art > article { min-height: 106px; }
.limits-map .architecture-art { grid-template-columns: 1fr; }
.limits-map .architecture-art > i { transform: rotate(90deg); text-align: center; }
.limits-map .arch-branch { grid-template-columns: 1fr; }
.limits-map .arch-branch > i { writing-mode: initial; }
.launch-grid .cards { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 1050px) {
  .dashboard-grid { grid-template-columns: 1fr 1fr; }
  .dash-block:last-child { grid-column: 1 / -1; }
  .workflow-art { grid-template-columns: 1fr auto 1fr; }
  .workflow-art > i:nth-of-type(3) { display: none; }
  .architecture-art { grid-template-columns: 1fr auto 1fr; }
  .arch-branch { grid-column: 1 / -1; }
  .launch-grid .cards { grid-template-columns: repeat(3, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-instrument::after, .disc.live::before, .disc.live .needle, .hero-instrument.live .reading-value, .source-status::after { animation: none; }
}
@media (max-width: 1050px) {
  .top-bar { grid-template-columns: auto 1fr; }
  .primary-nav { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; }
  .utility-links { justify-self: end; }
  .hero-strip { grid-template-columns: 1fr 400px; }
  .hero-left { padding-inline: 34px; }
}
@media (max-width: 760px) {
  .top-bar { position: relative; gap: 10px; padding: 12px 16px; }
  .utility-links { font-size: 7px; }
  .utility-links span, .utility-links a { padding: 7px 5px; }
  .primary-nav { padding-top: 7px; border-top: 1px solid var(--hairline); }
  .source-status { padding-inline: 16px; }
  .hero-strip { min-height: 76vh; grid-template-columns: 1fr; }
  .hero-left { min-height: 54vh; padding: 58px 20px; }
  .hero-headline { font-size: clamp(52px, 18vw, 78px); }
  .hero-instrument { min-width: 0; min-height: 76vh; padding: 34px 20px; border-left: 0; border-top: 1px solid var(--hairline); }
  .daily-strip { grid-template-columns: repeat(7, minmax(112px, 1fr)); overflow-x: auto; }
  .page-shell { padding: 48px 18px; }
  .page-head { grid-template-columns: 1fr; gap: 22px; }
  .page-title { font-size: clamp(48px, 17vw, 78px); }
  .cards, .rule-list { grid-template-columns: 1fr; }
  .data-table { min-width: 710px; }
  .table-wrap { overflow-x: auto; }
  .step { grid-template-columns: 48px 1fr; gap: 12px; }
  .seal-panel { grid-template-columns: 1fr; }
  .source-list li { grid-template-columns: 1fr; gap: 6px; }
  .site-footer { flex-direction: column; }
  .footer-links { justify-content: flex-start; }
  .page-head { align-items: start; }
  .section { margin-top: 32px; }
  .section-head { align-items: start; flex-direction: column; }
  .dashboard-grid, .two-up, .assertion-grid, .panel-topology, .method-rules, .limits-map { grid-template-columns: 1fr; }
  .dash-block { min-height: 0; border-right: 0; border-bottom: 1px solid var(--hairline); }
  .daily-strip { max-width: 100%; }
  .meter-svg { width: 100%; }
  .table-tools { align-items: stretch; flex-direction: column; }
  .table-count { overflow-wrap: anywhere; }
  .pagination { justify-content: flex-start; flex-wrap: wrap; }
  .pagination > span:first-child { width: 100%; }
  .parameter-band, .tariff-summary { grid-template-columns: 1fr; }
  .parameter-band > div, .summary-cell { border-right: 0; border-bottom: 1px solid var(--hairline); }
  .tape-chart { grid-template-columns: repeat(7, minmax(88px, 1fr)); overflow-x: auto; }
  .price-rung { grid-template-columns: minmax(120px, .8fr) 1fr; }
  .price-rung strong { grid-column: 2; }
  .sequence-events article, .sequence-events article:nth-child(even) { left: 0; width: calc(100% - 20px); margin-left: 10px; }
  .sequence-lanes { grid-template-columns: repeat(5, minmax(86px, 1fr)); overflow-x: auto; }
  .gas-flow { grid-template-columns: 1fr; }
  .gas-flow > i { transform: rotate(90deg); text-align: center; }
  .failure-strip { grid-template-columns: 1fr 1fr; }
  .breaker-board { grid-template-columns: 1fr 1fr; }
  .breaker-board > div { border-bottom: 1px solid var(--hairline); }
  .status-stack { grid-template-columns: 1fr; }
  .status-stack div { border-right: 0; border-bottom: 1px solid var(--hairline); }
  .event-log.horizontal { grid-template-columns: 1fr; }
  .workflow-art { grid-template-columns: 1fr; }
  .workflow-art > i, .workflow-art > i:nth-of-type(3) { display: block; transform: rotate(90deg); text-align: center; }
  .architecture-art { grid-template-columns: 1fr; }
  .architecture-art > i { transform: rotate(90deg); text-align: center; }
  .arch-branch { grid-template-columns: 1fr; }
  .arch-branch > i { writing-mode: initial; text-align: center; }
  .state-machine { grid-template-columns: 1fr; }
  .state-machine > i { transform: rotate(90deg); text-align: center; }
  .launch-grid .cards { grid-template-columns: 1fr; }
  .code-panel { white-space: pre-wrap; overflow-wrap: anywhere; }
}

@media (max-width: 430px) {
  .wordmark { font-size: 14px; }
  .utility-links { display: none; }
  .top-bar { grid-template-columns: 1fr; }
  .primary-nav { grid-column: 1; }
  .hero-instrument, .hero-left { padding-inline: 16px; }
  .page-shell { padding-inline: 14px; }
  .page-title { font-size: 46px; overflow-wrap: anywhere; }
  .section-title { font-size: 24px; }
  .spec-grid { grid-template-columns: 1fr; }
  .split-bars div { grid-template-columns: 1fr; gap: 6px; }
  .register-art, .tariff-art, .sequence-board, .gas-cutaway, .breaker-art, .method-workflow, .method-architecture, .limit-art { padding: 18px; }
  .failure-strip, .breaker-board { grid-template-columns: 1fr; }
  .data-table { min-width: 760px; }
  .pagination { gap: 6px; }
  .pagination button, .pagination select { padding-inline: 7px; }
}