/* On Point Electric: Blueprint. Every page is a numbered sheet in a set of construction drawings.
   Mobile first, min-width queries only. Linework is 1.5px, corners are square, no shadows. */
:root {
  --blue: #0E2F6B;
  --blue-deep: #0A2352;
  --grid: #2A4F96;
  --line: #F2F6FF;
  --pale: #A9C4F5;
  --volt: #FFD23F;
  --vellum: #EEF3F8;
  --navy: #0E2A57;
  --vellum-muted: #4A5E82;
  --alert: #FF6B5E;
  --stroke: 1.5px;
  --display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "B612 Mono", ui-monospace, Consolas, "Courier New", monospace;
  --gutter: 1rem;
  --header-h: 64px;
  --frame: 0px;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  position: relative;
  color: var(--line);
  font: 400 1.02rem/1.62 var(--body);
  background-color: var(--blue);
  background-image:
    linear-gradient(rgba(42, 79, 150, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 79, 150, .55) 1px, transparent 1px),
    linear-gradient(rgba(42, 79, 150, .28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 79, 150, .28) 1px, transparent 1px);
  background-size: 80px 80px, 80px 80px, 8px 8px, 8px 8px;
  background-position: -1px -1px;
  overflow-x: clip;
}
img { max-width: 100%; height: auto; display: block; }
svg { overflow: visible; }
.defs { position: absolute; width: 0; height: 0; overflow: hidden; }
a { color: var(--line); text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { color: var(--volt); }
p { margin: 0 0 1rem; }
ul, ol { padding-left: 1.2rem; }
strong { font-weight: 600; }
.container { width: min(100% - 2 * var(--gutter), 76rem); margin-inline: auto; }
.narrow { max-width: 42rem; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 1rem; top: -5rem; z-index: 1000; padding: .8rem 1.1rem; background: var(--volt); color: var(--blue-deep); font: 700 .8rem/1 var(--mono); text-transform: uppercase; text-decoration: none; }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 2px solid var(--volt); outline-offset: 2px; }
.vellum :focus-visible { outline-color: var(--navy); }
.alert-strip :focus-visible { outline-color: var(--blue-deep); }

/* ---------- type ---------- */
h1, h2, h3, h4 { font-family: var(--display); text-transform: uppercase; letter-spacing: .01em; margin: 0 0 1rem; font-weight: 700; }
h1 { font-weight: 900; font-size: clamp(2.6rem, 11vw, 8rem); line-height: .9; }
h2 { font-size: clamp(2.1rem, 7.4vw, 4.4rem); line-height: .94; }
h3 { font-size: clamp(1.4rem, 4.4vw, 1.9rem); line-height: 1; }
h4 { font-size: 1.15rem; line-height: 1.1; }
.mono, .eyebrow, .note-tag, .caption { font-family: var(--mono); text-transform: uppercase; font-size: .72rem; letter-spacing: .08em; line-height: 1.5; }
.eyebrow { color: var(--pale); margin: 0 0 1rem; display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.eyebrow::before { content: ""; width: 1.6rem; height: var(--stroke); background: var(--volt); }
.lede { font-size: clamp(1.08rem, 3.6vw, 1.3rem); line-height: 1.5; max-width: 38rem; }
.muted { color: var(--pale); }
.volt { color: var(--volt); }
.vellum .muted { color: var(--vellum-muted); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 44px; padding: .7rem 1.15rem;
  border: var(--stroke) solid var(--line); border-radius: 0;
  background: transparent; color: var(--line);
  font: 700 .78rem/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  cursor: pointer; transition: background-color .2s, color .2s;
}
.btn:hover { background: var(--line); color: var(--blue-deep); }
.btn-primary { background: var(--volt); border-color: var(--volt); color: var(--blue-deep); }
.btn-primary:hover { background: var(--line); border-color: var(--line); color: var(--blue-deep); }
.btn-ghost { background: transparent; }
.btn-sm { min-height: 40px; padding: .5rem .9rem; font-size: .72rem; }
.vellum .btn-ghost, .vellum .btn:not(.btn-primary) { border-color: var(--navy); color: var(--navy); }
.vellum .btn-ghost:hover, .vellum .btn:not(.btn-primary):hover { background: var(--navy); color: var(--vellum); }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.btn .bolt { width: .8rem; height: 1rem; }

/* ---------- drawing frame (desktop) ---------- */
.frame { display: none; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: var(--frame); z-index: 60;
  background: var(--blue-deep);
  border-bottom: var(--stroke) solid var(--line);
  view-transition-name: site-header;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: .75rem; min-height: var(--header-h); padding-inline: var(--gutter); }
.brand { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }
.brand-mark { width: 160px; height: auto; display: block; }
.site-nav { display: none; }
.header-actions { display: flex; align-items: center; gap: .6rem; }
.header-tel { display: none; font: 700 .8rem/1 var(--mono); letter-spacing: .06em; text-decoration: none; color: var(--volt); }
.header-actions .btn-sm { display: none; }
.menu-toggle {
  display: inline-flex; align-items: center; gap: .6rem; min-width: 44px; min-height: 44px; padding: 0 .8rem;
  background: transparent; color: var(--line); border: var(--stroke) solid var(--line); border-radius: 0;
  font: 700 .72rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; cursor: pointer;
}
.menu-toggle-bars { display: grid; gap: 4px; width: 16px; }
.menu-toggle-bars span { display: block; height: var(--stroke); background: currentColor; transition: transform .25s; }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars span:nth-child(2) { transform: scaleX(0); }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
.site-menu { border-top: var(--stroke) solid var(--pale); padding: 1rem var(--gutter) 1.5rem; background: var(--blue-deep); max-height: calc(100svh - var(--header-h)); overflow-y: auto; }
.site-menu[hidden] { display: none; }
.menu-note { font: 400 .7rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--pale); margin: 0 0 .5rem; }
.menu-list { list-style: none; margin: 0 0 1rem; padding: 0; border-top: var(--stroke) solid var(--grid); }
.menu-list li { border-bottom: var(--stroke) solid var(--grid); }
.menu-list a { display: flex; align-items: baseline; gap: 1rem; padding: .7rem 0; min-height: 44px; text-decoration: none; font: 700 1.6rem/1.1 var(--display); text-transform: uppercase; }
.menu-list .mono { color: var(--pale); font-size: .7rem; min-width: 3.6rem; }
.menu-list a[aria-current="page"] { color: var(--volt); }
.menu-foot { display: grid; gap: .6rem; }
.html-menu-open, .menu-open body { overflow: hidden; }

/* ---------- title block ---------- */
.title-block tr:nth-child(5) { display: none; }
@media (min-width: 520px) { .title-block tr:nth-child(5) { display: flex; } }
.title-block th, .title-block td { min-width: 0; }
.title-block tr:nth-child(3) td { overflow: hidden; }
.title-block { overflow: hidden; background: var(--blue-deep); border-bottom: var(--stroke) solid var(--grid); font-family: var(--mono); text-transform: uppercase; font-size: .62rem; letter-spacing: .06em; }
.title-block table { border-collapse: collapse; width: 100%; }
.title-block tbody { display: flex; align-items: stretch; width: 100%; }
.title-block tr { display: flex; align-items: center; gap: .4rem; padding: .45rem .6rem; border-right: 1px solid var(--grid); min-width: 0; }
.title-block tr:last-child { border-right: 0; }
.title-block th { font-weight: 400; color: var(--pale); text-align: left; white-space: nowrap; }
.title-block td { color: var(--line); white-space: nowrap; }
.title-block tr:nth-child(1), .title-block .tb-split { display: none; }
.title-block tr:nth-child(3) { flex: 1 1 auto; }
.title-block .tb-title { overflow: hidden; text-overflow: ellipsis; max-width: 100%; display: block; }
.tb-sheet { color: var(--volt); font-weight: 700; font-variant-numeric: tabular-nums; }
.tb-sheet:empty::before { content: "E-000"; }
.sheet-E-001 .tb-sheet:empty::before { content: "E-001"; }
.sheet-E-100 .tb-sheet:empty::before { content: "E-100"; }
.sheet-E-101 .tb-sheet:empty::before { content: "E-101"; }
.sheet-E-102 .tb-sheet:empty::before { content: "E-102"; }
.sheet-E-103 .tb-sheet:empty::before { content: "E-103"; }
.sheet-E-104 .tb-sheet:empty::before { content: "E-104"; }
.sheet-E-105 .tb-sheet:empty::before { content: "E-105"; }
.sheet-E-106 .tb-sheet:empty::before { content: "E-106"; }
.sheet-E-200 .tb-sheet:empty::before { content: "E-200"; }
.sheet-E-201 .tb-sheet:empty::before { content: "E-201"; }
.sheet-E-202 .tb-sheet:empty::before { content: "E-202"; }
.sheet-E-203 .tb-sheet:empty::before { content: "E-203"; }
.sheet-E-204 .tb-sheet:empty::before { content: "E-204"; }
.sheet-E-205 .tb-sheet:empty::before { content: "E-205"; }
.sheet-E-206 .tb-sheet:empty::before { content: "E-206"; }
.sheet-E-404 .tb-sheet:empty::before { content: "E-404"; }

/* ---------- footer ---------- */
.site-footer { background: var(--blue-deep); border-top: var(--stroke) solid var(--line); padding: 3rem 0 1.5rem; margin-top: 0; }
.footer-grid { display: grid; gap: 2rem; }
.footer-h { font: 700 1.5rem/1 var(--display); text-transform: uppercase; margin: 0 0 1rem; }
.site-footer address { font-style: normal; margin-bottom: .8rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .1rem; }
.site-footer li a { display: inline-flex; align-items: center; min-height: 32px; text-decoration: none; }
.site-footer li a:hover { text-decoration: underline; }
.footer-tel { font: 700 1.1rem/1 var(--mono); color: var(--volt); text-decoration: none; display: inline-flex; min-height: 32px; align-items: center; }
.mono-note { font: 400 .7rem/1.6 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--pale); margin: 0 0 .4rem; }
.footer-base { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; margin-top: 2.5rem; padding-top: 1rem; border-top: 1px solid var(--grid); font: 400 .7rem/1.6 var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--pale); }
.footer-base p { margin: 0; }
.footer-top { display: inline-flex; align-items: center; min-height: 32px; }

/* ---------- crosshair (fine pointers, JS adds .is-on) ---------- */
.crosshair { position: fixed; inset: 0; pointer-events: none; z-index: 70; opacity: 0; transition: opacity .2s; }
.crosshair.is-on { opacity: 1; }
.ch-x, .ch-y { position: absolute; left: 0; top: 0; background: var(--pale); opacity: .55; }
.ch-x { width: 100%; height: 1px; }
.ch-y { width: 1px; height: 100%; }
.ch-read { position: absolute; left: 0; top: 0; font: 400 .66rem/1 var(--mono); color: var(--volt); background: var(--blue-deep); border: 1px solid var(--grid); padding: .3rem .45rem; white-space: nowrap; }

/* ---------- ink: what linework is drawn in, per ground ---------- */
body, .bp { --ink: var(--line); --ink-2: var(--pale); --ground: var(--blue); }
.vellum { --ink: var(--navy); --ink-2: var(--vellum-muted); --ground: var(--vellum); }

/* ---------- sections ---------- */
.section { padding: 4rem 0; position: relative; }
.section-tight { padding: 2.5rem 0; }
.section-head { max-width: 46rem; margin-bottom: 2rem; }
.section-head p { color: var(--ink-2); }
.vellum {
  position: relative;
  color: var(--navy);
  background-color: var(--vellum);
  background-image:
    linear-gradient(rgba(14, 42, 87, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 42, 87, .07) 1px, transparent 1px);
  background-size: 24px 24px;
  border-block: var(--stroke) solid var(--navy);
}
.vellum a { color: var(--navy); }
.vellum a:hover { color: var(--blue); }
.vellum h2, .vellum h3 { color: var(--navy); }
.vellum::before, .vellum::after {
  content: ""; position: absolute; top: -9px; width: 64px; height: 18px;
  background: rgba(169, 196, 245, .55); border: 1px solid rgba(14, 42, 87, .18);
}
.vellum::before { left: 8%; }
.vellum::after { right: 8%; }
.vellum .eyebrow { color: var(--vellum-muted); }
.vellum .eyebrow::before { background: var(--navy); }

/* ---------- sheet hero ---------- */
.sheet-hero { padding: 1.75rem 0 2.5rem; position: relative; }
.sheet-hero-grid { display: grid; gap: 2rem; align-items: center; }
.sheet-hero h1 { margin-bottom: 1.1rem; }
.crumbs ol { list-style: none; margin: 0 0 1.25rem; padding: 0; display: flex; flex-wrap: wrap; gap: .2rem .55rem; font: 400 .68rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--pale); }
.crumbs li { display: inline-flex; align-items: center; gap: .55rem; }
.crumbs li + li::before { content: "/"; color: var(--pale); }
.crumbs a { color: var(--pale); display: inline-flex; min-height: 24px; align-items: center; }
.crumbs [aria-current] { color: var(--line); }
.page-hero { padding: 2rem 0 2.5rem; }
.page-hero-grid { display: grid; gap: 2rem; }

/* ---------- drawings ---------- */
.drawing { position: relative; color: var(--ink); }
.drawing svg { width: 100%; height: auto; display: block; }
.drawing svg :where(path, line, rect, circle, ellipse, polyline, polygon) { fill: none; stroke: var(--ink); stroke-width: var(--stroke); vector-effect: non-scaling-stroke; stroke-linejoin: miter; }
.drawing svg use { color: var(--ink); fill: none; stroke: var(--ink); stroke-width: var(--stroke); }
.drawing svg .p { stroke: var(--ink-2); }
.drawing svg .v { stroke: var(--volt); }
.drawing svg .thin { stroke-width: 1px; }
.drawing svg .dash { stroke-dasharray: 6 4; }
.drawing svg .dot { stroke-dasharray: 1.5 3.5; stroke-linecap: round; }
.drawing svg .hatch { fill: url(#hatch); }
.vellum .drawing svg .hatch { fill: url(#hatch-navy); }
.drawing svg .earth { fill: url(#earth); stroke: none; }
.drawing svg .vfill { fill: var(--volt); stroke: var(--volt); }
.drawing svg .ground-fill { fill: var(--ground); }
.drawing svg .arrow { marker-start: url(#arrow); marker-end: url(#arrow); }
.drawing svg text { fill: var(--ink-2); stroke: none; font: 400 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.drawing svg text.big { font: 700 16px/1 var(--display); letter-spacing: .02em; fill: var(--ink); }
.drawing svg text.vt { fill: var(--volt); }
.vellum .drawing svg .v { stroke: var(--navy); stroke-width: 2.5px; }
.vellum .drawing svg text.vt { fill: var(--navy); font-weight: 700; }
.detail { border: var(--stroke) solid var(--ink); padding: 2.4rem .9rem .9rem; position: relative; }
.detail-tag { position: absolute; left: -1.5px; top: -1.5px; display: flex; font: 400 .64rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.detail-tag span { padding: .4rem .55rem; border: var(--stroke) solid var(--ink); margin-right: -1.5px; color: var(--ink-2); }
.detail-tag span:first-child { color: var(--volt); }
.vellum .detail-tag span:first-child { color: var(--navy); font-weight: 700; }
.detail-scale { position: absolute; right: .6rem; top: .55rem; font: 400 .62rem/1 var(--mono); text-transform: uppercase; color: var(--ink-2); letter-spacing: .06em; }

/* ---------- symbols ---------- */
.sym { width: 2.6rem; height: 2.6rem; fill: none; stroke: var(--ink); stroke-width: var(--stroke); flex: none; }
.sym.v { stroke: var(--volt); }
.vellum .sym.v { stroke: var(--navy); }

/* ---------- dimension line heading ---------- */
.dim { display: flex; align-items: center; height: 22px; margin: 0 0 .9rem; color: var(--ink); max-width: 30rem; position: relative; }
.dim::before, .dim::after { content: ""; width: var(--stroke); height: 20px; background: currentColor; flex: none; }
.dim-seg { flex: 1 1 0; height: var(--stroke); background: currentColor; position: relative; }
.dim-seg::after { content: ""; position: absolute; top: 50%; width: 8px; height: 8px; border: 0 solid currentColor; }
.dim-seg:first-of-type { transform-origin: 100% 50%; }
.dim-seg:first-of-type::after { left: 1px; border-left-width: var(--stroke); border-bottom-width: var(--stroke); transform: translateY(-50%) rotate(45deg); }
.dim-seg:last-of-type { transform-origin: 0 50%; }
.dim-seg:last-of-type::after { right: 1px; border-right-width: var(--stroke); border-top-width: var(--stroke); transform: translateY(-50%) rotate(45deg); }
.dim-val { flex: none; padding: 0 .65rem; font: 700 .74rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--volt); font-variant-numeric: tabular-nums; }
.vellum .dim-val { color: var(--navy); }

/* ---------- revision cloud ---------- */
.rev { position: relative; display: inline-block; padding: .5rem .75rem; margin: 1rem .4rem 1.9rem; }
.rev-svg { position: absolute; left: 0; top: 0; pointer-events: none; overflow: visible; }
.rev-svg path { fill: none; stroke: var(--volt); stroke-width: var(--stroke); stroke-linejoin: round; }
.vellum .rev-svg path { stroke: var(--navy); }
.no-js .rev { outline: var(--stroke) dashed var(--volt); outline-offset: 4px; }
.rev-tag { position: absolute; right: -.4rem; bottom: -1.55rem; display: inline-flex; align-items: center; gap: .35rem; white-space: nowrap; font: 700 .62rem/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--volt); }
.vellum .rev-tag { color: var(--navy); }
.rev-tri { width: 18px; height: 16px; }
.rev-tri path { fill: var(--ground); stroke: currentColor; stroke-width: var(--stroke); }
.rev-tri text { fill: currentColor; font: 700 9px/1 var(--mono); }
.rev-phone { font: 700 clamp(1.3rem, 5.6vw, 2rem)/1 var(--mono); color: var(--volt); text-decoration: none; letter-spacing: .02em; display: inline-flex; min-height: 44px; align-items: center; }
.vellum .rev-phone { color: var(--navy); }

/* ---------- callout bubbles and leaders ---------- */
.bubble { display: inline-flex; align-items: center; justify-content: center; width: 1.9rem; height: 1.9rem; border: var(--stroke) solid var(--ink); border-radius: 50%; font: 700 .72rem/1 var(--mono); color: var(--ink); flex: none; }
.bubble.is-v { border-color: var(--volt); color: var(--volt); }
.vellum .bubble.is-v { border-color: var(--navy); color: var(--navy); }
.leader-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.1rem; }
.leader-list li { display: grid; grid-template-columns: auto 1fr; gap: .9rem; align-items: start; }
.leader-list li > div { border-left: var(--stroke) solid var(--ink-2); padding-left: .9rem; }
.leader-list h3 { margin-bottom: .35rem; font-size: 1.35rem; }
.leader-list p { margin: 0; }

/* ---------- pinned site photos ---------- */
.pin { margin: 0; position: relative; }
.pin-frame { position: relative; border: var(--stroke) solid var(--ink); padding: 6px; background: var(--ground); }
.pin-frame::before { content: ""; position: absolute; left: 50%; top: -7px; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%; border: var(--stroke) solid var(--ink); background: var(--volt); z-index: 2; }
.pin-img { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
.pin-img.square { aspect-ratio: 1; }
.pin-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pin-duo { filter: grayscale(1) contrast(1.15) brightness(.85) sepia(1) hue-rotate(178deg) saturate(2.6); }
.pin figcaption { margin-top: .55rem; display: flex; gap: .6rem; align-items: baseline; color: var(--ink-2); }
.pin figcaption b { color: var(--volt); font-weight: 700; white-space: nowrap; }
.vellum .pin figcaption b { color: var(--navy); }

/* ---------- notes, cards and tables ---------- */
.grid-2, .grid-3, .grid-4 { display: grid; gap: 1.25rem; }
.note { border: var(--stroke) solid var(--ink); padding: 1.35rem 1.1rem 1.1rem; position: relative; }
.note h3 { margin-bottom: .55rem; }
.note p:last-child { margin-bottom: 0; }
.note .note-tag { position: absolute; top: -.62rem; left: .8rem; padding: 0 .45rem; background: var(--ground); color: var(--ink-2); }
.note-head { display: flex; align-items: center; gap: .8rem; margin-bottom: .7rem; }
.note-head h3 { margin: 0; }
.spec { width: 100%; border-collapse: collapse; font: 400 .8rem/1.45 var(--mono); }
.spec caption { text-align: left; font: 700 .72rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-2); padding-bottom: .6rem; }
.spec th, .spec td { border: 1px solid var(--ink-2); padding: .55rem .6rem; text-align: left; vertical-align: top; }
.spec thead th { text-transform: uppercase; letter-spacing: .06em; font-size: .68rem; color: var(--ink-2); font-weight: 400; }
.spec .num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; max-width: 100%; }
.check-list { list-style: none; padding: 0; margin: 0 0 1rem; display: grid; gap: .55rem; }
.check-list li { padding-left: 1.6rem; position: relative; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .45em; width: .75rem; height: .75rem; border: var(--stroke) solid var(--volt); }
.vellum .check-list li::before { border-color: var(--navy); }
.split { display: grid; gap: 2rem; align-items: start; }
.price-big { font: 900 clamp(2.4rem, 10vw, 4.6rem)/.95 var(--display); color: var(--volt); text-transform: uppercase; margin: 0 0 .4rem; }
.vellum .price-big { color: var(--navy); }
.fine { font: 400 .72rem/1.55 var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--ink-2); }

/* ---------- emergency strip ---------- */
.alert-strip { background: var(--alert); color: var(--blue-deep); border-block: var(--stroke) solid var(--blue-deep); padding: 1.1rem 0; }
.alert-strip .container { display: grid; gap: .6rem; }
.alert-strip p { margin: 0; font-weight: 500; }
.alert-strip .mono { font-weight: 700; }
.alert-strip a { color: var(--blue-deep); font: 700 1.4rem/1 var(--mono); text-decoration: none; display: inline-flex; min-height: 44px; align-items: center; border-bottom: 2px solid var(--blue-deep); justify-self: start; }
.alert-strip a:hover { color: var(--blue-deep); }

/* ---------- the house (home hero and energise stage) ---------- */
.house { --sw: 2.4; width: 100%; height: auto; display: block; }
.house :where(path, rect, circle) { fill: none; stroke: var(--line); stroke-width: var(--sw); stroke-linejoin: miter; }
.house .p { stroke: var(--pale); }
.house .thin { stroke-width: calc(var(--sw) * .6); }
.house .hatch { fill: url(#hatch); }
.house .earth { fill: url(#earth); stroke: none; }
.house text { fill: var(--pale); stroke: none; font-family: var(--mono); font-size: clamp(10px, calc(var(--sw) * 5px), 15px); letter-spacing: .08em; text-transform: uppercase; }
.house text.vt { fill: var(--volt); }
.house text.minor { display: none; }
@media (min-width: 700px) { .house text.minor { display: inline; } }
.house text.big { font-family: var(--display); font-weight: 700; fill: var(--line); }
.house .wire { stroke: var(--pale); stroke-width: calc(var(--sw) * .8); }
.house .layer[data-layer="lighting"] .wire { stroke-dasharray: 10 5; }
.house .layer[data-layer="ev"] .wire { stroke-width: calc(var(--sw) * 1.4); }
.house .dot { stroke-dasharray: 2 5; stroke: var(--pale); }
.house .current { stroke: var(--volt); stroke-width: calc(var(--sw) * 1.5); stroke-dasharray: 8 10; stroke-linecap: butt; opacity: 0; transition: opacity .45s; }
.house .current.is-on { opacity: 1; }
.house .glow { fill: var(--volt); stroke: none; opacity: 0; transition: opacity .5s; }
.house .glow.is-on { opacity: .95; }
.house .glow-box.is-on { opacity: .5; }
.house .halo { fill: var(--volt); stroke: none; opacity: 0; transform-box: fill-box; transform-origin: center; }
.house .halo.is-on { opacity: .14; }
.house.is-drawing .current, .house.is-drawing .glow, .house.is-drawing .halo { opacity: 0; }
.house .layer { transition: opacity .3s; }
.house .layer.is-off { opacity: 0; }

.stage-wrap { padding: 1.25rem 0 3rem; }
.stage { display: flex; flex-direction: column; gap: 1.25rem; }
.stage-hero h1 { margin-bottom: 1rem; }
.stage-hero .rev { margin-top: 1.4rem; }
.stage-art { position: sticky; top: calc(var(--frame) + var(--header-h)); z-index: 5; background: var(--blue-deep); border: var(--stroke) solid var(--line); padding: .6rem .6rem .5rem; margin-inline: calc(var(--gutter) * -0.5); }
.stage-meta { display: flex; justify-content: space-between; gap: .5rem; font: 400 .6rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--pale); margin-bottom: .35rem; }
.stage-meta [data-stop-read] { color: var(--volt); text-align: right; }
.legend { border: 0; border-top: 1px solid var(--grid); margin: .45rem 0 0; padding: .45rem 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .3rem; min-width: 0; }
.legend legend { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.layer-opt { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: .15rem .35rem; min-height: 44px; padding: .25rem .3rem; border: 1px solid var(--grid); cursor: pointer; font: 400 .6rem/1.1 var(--mono); text-transform: uppercase; letter-spacing: .04em; }
.layer-opt input { width: 16px; height: 16px; margin: 0; accent-color: var(--volt); }
.layer-opt svg { grid-column: 1 / -1; width: 100%; height: 6px; }
.layer-opt svg path { stroke: var(--pale); stroke-width: 2; fill: none; }
.layer-opt:has(input:checked) { border-color: var(--pale); }
.layer-opt:has(input:checked) svg path { stroke: var(--volt); }
.layer-opt:has(input:focus-visible) { outline: 2px solid var(--volt); outline-offset: 2px; }
.stop-card { border: var(--stroke) solid var(--line); padding: 1.4rem 1.1rem 1.2rem; position: relative; background: rgba(10, 35, 82, .82); }
.stop-card .stop-no { display: flex; align-items: center; gap: .7rem; margin-bottom: 1rem; }
.stop-card .stop-no .mono { color: var(--pale); }
.stop-card p { margin-bottom: .8rem; }
.stop-card ul { margin: 0; }
.stop-card .fine { margin: .8rem 0 0; }

/* ---------- the calc sheet (EV estimator) ---------- */
.calc { display: grid; gap: 1.5rem; }
.calc-controls { display: grid; gap: 1.1rem; }
.calc fieldset { border: var(--stroke) solid var(--navy); margin: 0; padding: 1rem .8rem .9rem; min-width: 0; }
.calc legend { font: 700 .72rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .08em; padding: 0 .4rem; color: var(--navy); }
.opts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; }
.opts.one { grid-template-columns: 1fr; }
.opt { display: flex; align-items: center; gap: .55rem; min-height: 44px; padding: .45rem .65rem; border: var(--stroke) solid var(--navy); cursor: pointer; font-size: .92rem; line-height: 1.25; color: var(--navy); }
.opt input { margin: 0; width: 18px; height: 18px; flex: none; accent-color: var(--navy); }
.opt small { display: block; font: 400 .66rem/1.35 var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--vellum-muted); }
.opt:has(input:checked) { background: var(--navy); color: var(--vellum); }
.opt:has(input:checked) small { color: var(--vellum); }
.opt:has(input:focus-visible) { outline: 2px solid var(--navy); outline-offset: 2px; }
.opt input:focus-visible { outline: none; }
.range-row { display: grid; gap: .4rem; }
.range-row label { font: 700 .72rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.range-row .range-val { font: 900 1.6rem/1 var(--display); }
.range-row input[type="range"] { width: 100%; min-height: 44px; accent-color: var(--navy); margin: 0; }
.range-ends { display: flex; justify-content: space-between; font: 400 .64rem/1 var(--mono); color: var(--vellum-muted); }
.calc-sheet { border: var(--stroke) solid var(--navy); padding: 1.2rem 1rem; background: var(--vellum); position: relative; min-width: 0; }
.calc-sheet-head { display: flex; justify-content: space-between; gap: 1rem; font: 400 .64rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--vellum-muted); border-bottom: 1px solid var(--vellum-muted); padding-bottom: .5rem; margin-bottom: 1rem; }
.calc-out { display: block; }
.calc-range { display: block; font: 900 clamp(2.5rem, 11vw, 4.4rem)/.95 var(--display); text-transform: uppercase; color: var(--navy); margin-bottom: .2rem; font-variant-numeric: tabular-nums; }
.calc-verdict-wrap { display: block; margin: 1rem .6rem 2.2rem; padding: .8rem .9rem; }
.calc-verdict { display: block; font-weight: 500; }
.calc-table { margin: 0 0 1rem; }
.calc-table th { font-weight: 400; }
.calc-total th, .calc-total td { font-weight: 700; border-top: 2px solid var(--navy); }
.calc-plan { margin: .5rem 0 1rem; }
.calc-plan svg text { font-size: 10px; }
.calc .fine { color: var(--vellum-muted); margin-bottom: .4rem; }

/* ---------- breaker panel index ---------- */
.panel-index { display: grid; gap: 1.5rem; align-items: start; }
.panel-box { border: var(--stroke) solid var(--line); background: var(--blue-deep); padding: .9rem .7rem 1rem; }
.panel-head { display: flex; justify-content: space-between; gap: .5rem; align-items: center; border-bottom: 1px solid var(--grid); padding-bottom: .6rem; margin-bottom: .7rem; font: 400 .64rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--pale); }
.panel-head b { color: var(--volt); font-size: .8rem; }
.breakers { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 18px; row-gap: .45rem; position: relative; }
.breakers::before { content: ""; position: absolute; left: 50%; top: -.3rem; bottom: -.3rem; width: 6px; margin-left: -3px; border-inline: 1px solid var(--grid); background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='6' height='6'%3E%3Cpath d='M0 6L6 0' stroke='%232A4F96'/%3E%3C/svg%3E"); }
.breaker { display: grid; grid-template-columns: 1.4rem 36px minmax(0, 1fr); align-items: center; gap: .4rem; border: 1px solid var(--grid); padding: .3rem .35rem; min-height: 56px; transition: border-color .25s, background-color .25s; }
.breakers > .breaker:nth-child(even) { grid-template-columns: minmax(0, 1fr) 36px 1.4rem; text-align: right; }
.breakers > .breaker:nth-child(even) .ckt { order: 3; }
.breakers > .breaker:nth-child(even) .handle { order: 2; }
.breakers > .breaker:nth-child(even) .bk-label { order: 1; }
.ckt { font: 700 .66rem/1 var(--mono); color: var(--pale); text-align: center; }
.handle { position: relative; width: 36px; height: 46px; padding: 0; border: var(--stroke) solid var(--pale); background: var(--blue); cursor: pointer; border-radius: 0; }
.handle-knob { position: absolute; left: 5px; right: 5px; height: 18px; top: 22px; background: var(--pale); transition: transform .22s cubic-bezier(.5, 0, .2, 1.4), background-color .2s; }
.handle[aria-pressed="true"] .handle-knob { transform: translateY(-18px); background: var(--volt); }
.handle-word { position: absolute; left: 0; right: 0; bottom: 2px; font: 700 .5rem/1 var(--mono); color: var(--pale); }
.handle[aria-pressed="true"] .handle-word { bottom: auto; top: auto; }
.bk-label { min-width: 0; }
.bk-label a { display: block; font: 700 1.02rem/1.05 var(--display); text-transform: uppercase; text-decoration: none; overflow-wrap: anywhere; min-height: 24px; }
.bk-label a:hover { text-decoration: underline; }
.bk-label small { display: block; font: 400 .58rem/1.3 var(--mono); color: var(--pale); text-transform: uppercase; letter-spacing: .04em; margin-top: .15rem; }
.breaker.is-on { border-color: var(--volt); background: rgba(255, 210, 63, .06); }
.breaker.is-on .bk-label a { color: var(--volt); }
.breaker.spare { opacity: .55; }
.breaker.spare .bk-label { font: 400 .62rem/1.2 var(--mono); color: var(--pale); text-transform: uppercase; }
.panel-status { margin: .8rem 0 0; font: 400 .66rem/1.4 var(--mono); text-transform: uppercase; color: var(--pale); letter-spacing: .05em; }
.breaker-plan .plan-ckt { stroke: var(--pale); opacity: .35; transition: opacity .3s, stroke .3s; }
.breaker-plan .plan-ckt.is-on { stroke: var(--volt); opacity: 1; }
.breaker-plan .plan-fx { transition: fill .3s; }
.breaker-plan .plan-fx.is-on { fill: var(--volt); stroke: var(--volt); }
.mini-breakers { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .45rem; }
.mini-breakers a { display: flex; align-items: center; gap: .55rem; min-height: 52px; padding: .45rem .55rem; border: 1px solid var(--pale); text-decoration: none; font: 700 1rem/1.05 var(--display); text-transform: uppercase; background: var(--blue-deep); }
.mini-breakers a::before { content: ""; width: 12px; height: 22px; border: var(--stroke) solid var(--pale); background: linear-gradient(var(--volt) 0 50%, transparent 50%); flex: none; }
.mini-breakers a:hover { border-color: var(--volt); }
.mini-breakers small { display: block; font: 400 .58rem/1.3 var(--mono); color: var(--pale); }

/* ---------- symbol legend ---------- */
.sym-legend { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink-2); border-left: 1px solid var(--ink-2); }
.sym-legend li { display: flex; align-items: center; gap: .7rem; padding: .7rem .6rem; border-right: 1px solid var(--ink-2); border-bottom: 1px solid var(--ink-2); font-size: .9rem; line-height: 1.25; }
.sym-legend b { display: block; font: 700 .68rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .05em; }

/* ---------- inspection tags (reviews) ---------- */
.tags { display: grid; gap: 1.5rem 1.25rem; }
.tag { position: relative; border: var(--stroke) solid var(--ink); padding: 2.4rem 1.1rem 1.1rem; margin-top: 1.4rem; background: var(--ground); }
.tag::before { content: ""; position: absolute; left: 50%; top: .8rem; width: 14px; height: 14px; margin-left: -7px; border-radius: 50%; border: var(--stroke) solid var(--ink); }
.tag::after { content: ""; position: absolute; left: 50%; top: -1.4rem; width: var(--stroke); height: 2.3rem; background: var(--ink-2); }
.tag-head { display: flex; justify-content: space-between; gap: .5rem; border-bottom: 1px solid var(--ink-2); padding-bottom: .5rem; margin-bottom: .8rem; font: 400 .64rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ink-2); }
.tag-pass { display: inline-block; font: 700 .72rem/1 var(--mono); letter-spacing: .1em; color: var(--volt); border: var(--stroke) solid var(--volt); padding: .3rem .5rem; margin-bottom: .7rem; }
.vellum .tag-pass { color: var(--navy); border-color: var(--navy); }
.tag blockquote { margin: 0 0 .9rem; }
.tag blockquote p { margin: 0; }
.tag-who { font: 700 .7rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .05em; margin: 0; }
.tag-who span { display: block; font-weight: 400; color: var(--ink-2); }

/* ---------- the lead form (a request sheet on vellum) ---------- */
.form-sheet { display: grid; gap: 2rem; }
.lead-form { border: var(--stroke) solid var(--navy); padding: 1.3rem 1rem 1.2rem; position: relative; background: var(--vellum); }
.lead-form::before { content: "FORM E-RFV / REQUEST FOR SITE VISIT"; display: block; font: 400 .62rem/1.3 var(--mono); letter-spacing: .08em; color: var(--vellum-muted); border-bottom: 1px solid var(--vellum-muted); padding-bottom: .55rem; margin-bottom: 1.1rem; }
.field { display: grid; gap: .35rem; margin-bottom: 1rem; }
.field label { font: 700 .72rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .07em; color: var(--navy); }
.field .optional { font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--vellum-muted); }
.field input, .field select, .field textarea { font: inherit; font-size: 1rem; padding: .7rem .75rem; min-height: 48px; border: var(--stroke) solid var(--navy); border-radius: 0; background: #FFFFFF; color: var(--navy); width: 100%; }
.field textarea { min-height: 7rem; resize: vertical; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }
.field-row { display: grid; gap: 0 1rem; }
.field-hint { font: 400 .68rem/1.4 var(--mono); text-transform: uppercase; color: var(--vellum-muted); margin: -.4rem 0 1rem; }
.field-error { color: #A3221B; margin: 0; font-size: .92rem; font-weight: 600; }
.has-error input, .has-error select, .has-error textarea { border-color: #A3221B; border-width: 2px; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.lead-form .btn-primary { width: 100%; background: var(--navy); border-color: var(--navy); color: var(--vellum); }
.lead-form .btn-primary:hover { background: var(--blue); border-color: var(--blue); color: var(--line); }
.lead-success { border: var(--stroke) solid var(--navy); padding: 1.5rem 1.1rem; background: var(--vellum); color: var(--navy); }
.lead-success-h { font-size: 2rem; }
.lead-success [data-lead-ref] { font-family: var(--mono); }
.contact-lines { display: grid; gap: 1rem; }
.contact-lines .note p { margin: 0 0 .4rem; }

/* ---------- general notes (FAQ) ---------- */
.gen-notes { list-style: none; margin: 0; padding: 0; counter-reset: note; border-top: var(--stroke) solid var(--ink); }
.gen-notes > li { counter-increment: note; border-bottom: var(--stroke) solid var(--ink); }
.faq-item summary { list-style: none; display: grid; grid-template-columns: 2.4rem 1fr auto; gap: .7rem; align-items: center; min-height: 56px; padding: .7rem 0; cursor: pointer; font: 700 1.25rem/1.1 var(--display); text-transform: uppercase; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: counter(note); display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border: var(--stroke) solid var(--ink); border-radius: 50%; font: 700 .78rem/1 var(--mono); }
.faq-item summary::after { content: "+"; font: 400 1.2rem/1 var(--mono); color: var(--ink-2); }
.faq-item[open] summary::after { content: "-"; }
.faq-item[open] summary::before { border-color: var(--volt); color: var(--volt); }
.vellum .faq-item[open] summary::before { border-color: var(--navy); color: var(--navy); background: rgba(14, 42, 87, .08); }
.faq-answer { padding: 0 0 1.1rem 3.1rem; max-width: 46rem; }
.faq-answer p:last-child { margin-bottom: 0; }

/* ---------- the process sheet stack ---------- */
.sheet-stack { list-style: none; margin: 0; padding: 0; display: grid; gap: 2.2rem; position: relative; }
.sheet-stack::before { content: ""; position: absolute; left: 1.4rem; top: 1rem; bottom: 1rem; width: 0; border-left: 2px dashed var(--volt); }
.sheet-card { position: relative; border: var(--stroke) solid var(--line); background: var(--blue-deep); padding: 1.2rem 1rem 1rem 3.6rem; }
.sheet-card .bubble { position: absolute; left: .45rem; top: 1rem; background: var(--blue-deep); border-color: var(--volt); color: var(--volt); }
.sheet-card .sheet-no { position: absolute; right: -1.5px; bottom: -1.5px; border: var(--stroke) solid var(--line); padding: .3rem .5rem; font: 400 .6rem/1 var(--mono); color: var(--pale); letter-spacing: .08em; text-transform: uppercase; background: var(--blue); }
.sheet-card h3 { margin-bottom: .5rem; }
.sheet-card .see { margin: .7rem 0 1.1rem; padding: .6rem .7rem; border: 1px dashed var(--pale); font-size: .95rem; }
.sheet-card .see b { font: 700 .64rem/1.3 var(--mono); letter-spacing: .08em; color: var(--volt); display: block; }

/* ---------- hours as a dimension string (panel swap day) ---------- */
.hours { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; border-left: var(--stroke) solid var(--ink); }
.hours li { position: relative; padding: .2rem 0 1.1rem 1.4rem; }
.hours li::before { content: ""; position: absolute; left: -7px; top: .45rem; width: 12px; height: 12px; border: var(--stroke) solid var(--ink); background: var(--ground); transform: rotate(45deg); }
.hours time { display: block; font: 700 .76rem/1.2 var(--mono); color: var(--volt); letter-spacing: .06em; margin-bottom: .2rem; }
.vellum .hours time { color: var(--navy); }
.hours li.off::before { background: var(--alert); border-color: var(--alert); }

/* ---------- project pins ---------- */
.projects { display: grid; gap: 2.5rem; }
.project { display: grid; gap: 1rem; }
.project .callouts { list-style: none; padding: 0; margin: 0; display: grid; gap: .35rem; font: 400 .74rem/1.45 var(--mono); text-transform: uppercase; letter-spacing: .03em; }
.project .callouts li { display: grid; grid-template-columns: 8.4rem 1fr; gap: .6rem; border-bottom: 1px dashed var(--ink-2); padding-bottom: .35rem; }
.project .callouts span { color: var(--ink-2); }
.sample-note { display: inline-block; border: var(--stroke) dashed var(--ink-2); padding: .4rem .6rem; font: 400 .68rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--ink-2); }

/* ---------- 404 ---------- */
.page-404 .sheet-hero { padding-bottom: 4rem; }

/* ---------- small fixes ---------- */
h2.h3-size { font-size: clamp(1.3rem, 4.4vw, 1.6rem); margin-bottom: .6rem; }
.alert-strip h2 { font-size: 1rem; letter-spacing: .06em; text-transform: uppercase; margin: 0 0 .25rem; color: var(--blue-deep); }
.credits { margin-top: 2rem; }
.credits summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; text-transform: uppercase; letter-spacing: .06em; font-size: .78rem; }
.credits ul { margin: .6rem 0 0; padding-left: 1.1rem; display: grid; gap: .35rem; }
.projects.grid-2 { gap: 2.5rem 1.6rem; }
.project h3 { margin: 0; }

/* ---------- wider phones and tablets ---------- */
@media (min-width: 520px) {
  .header-actions .btn-sm { display: inline-flex; }
  .field-row { grid-template-columns: 1fr 1fr; }
  .alert-strip .container { grid-template-columns: 1fr auto; align-items: center; }
  .sym-legend { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 700px) {
  :root { --gutter: 1.5rem; }
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tags { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .stage-art { margin-inline: 0; }
  .project { grid-template-columns: 1.2fr 1fr; align-items: start; }
  .calc { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
  .calc-sheet { position: sticky; top: calc(var(--frame) + var(--header-h) + 1rem); }
}

/* ---------- desktop: the drawing frame, title block in the corner, pinned stage ---------- */
@media (min-width: 1000px) {
  :root { --frame: 26px; --gutter: 2.2rem; --header-h: 72px; }
  body { padding: 0 var(--frame) var(--frame); }
  .frame { display: block; position: fixed; inset: 0; pointer-events: none; z-index: 80; view-transition-name: frame; }
  .frame-x, .frame-y { position: absolute; display: flex; background: var(--blue-deep); font: 400 .6rem/1 var(--mono); color: var(--pale); }
  .frame-top { left: 0; right: 0; top: 0; height: var(--frame); border-bottom: var(--stroke) solid var(--line); padding-inline: var(--frame); }
  .frame-bottom { left: 0; right: 0; bottom: 0; height: var(--frame); border-top: var(--stroke) solid var(--line); padding-inline: var(--frame); }
  .frame-left, .frame-right { top: var(--frame); bottom: var(--frame); width: var(--frame); flex-direction: column; }
  .frame-left { left: 0; border-right: var(--stroke) solid var(--line); }
  .frame-right { right: 0; border-left: var(--stroke) solid var(--line); }
  .frame-x span, .frame-y span { flex: 1; display: flex; align-items: center; justify-content: center; }
  .frame-x span + span { border-left: 1px solid var(--grid); }
  .frame-y span + span { border-top: 1px solid var(--grid); }

  .site-nav { display: block; }
  .nav-list { display: flex; gap: .2rem; list-style: none; margin: 0; padding: 0; }
  .nav-list a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 .7rem; text-decoration: none; font: 700 1.05rem/1 var(--display); text-transform: uppercase; letter-spacing: .03em; border: 1px solid transparent; }
  .nav-list a:hover { border-color: var(--pale); color: var(--line); }
  .nav-list a[aria-current="page"] { border-color: var(--volt); color: var(--volt); }
  .header-tel { display: inline-flex; align-items: center; min-height: 44px; }
  .menu-toggle { display: none; }
  .brand-mark { width: 190px; }

  .title-block { position: absolute; z-index: 6; right: calc(var(--frame) + 1.6rem); top: calc(min(100svh, 1100px) - var(--frame) - 9.6rem); width: 23rem; border: var(--stroke) solid var(--line); font-size: .64rem; }
  .title-block tbody { display: table-row-group; }
  .title-block tr, .title-block tr:nth-child(1), .title-block tr:nth-child(5), .title-block .tb-split { display: table-row; padding: 0; border: 0; }
  .title-block th, .title-block td { border: 1px solid var(--grid); padding: .42rem .6rem; }
  .title-block th { width: 5.4rem; }
  .title-block .tb-title { display: table-cell; max-width: none; white-space: normal; }

  .sheet-hero { min-height: calc(min(100svh, 1100px) - var(--frame) - var(--header-h)); display: flex; align-items: center; padding: 3rem 0 11rem; }
  .sheet-hero > .container { width: min(100% - 2 * var(--gutter), 76rem); }
  .sheet-hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 4rem; }
  .section { padding: 6rem 0; }
  .vellum { margin-inline: 1.2rem; }
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .tags { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 4rem; }
  .split.wide-left { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); }
  .panel-index { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 3rem; }
  .breaker-plan { position: sticky; top: calc(var(--frame) + var(--header-h) + 1.5rem); }
  .form-sheet { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 4rem; align-items: start; }
  .sym-legend { grid-template-columns: repeat(4, minmax(0, 1fr)); }

  .stage-wrap { padding: 0 0 5rem; }
  .stage { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); column-gap: 3.5rem; row-gap: 0; }
  .stage-art { grid-column: 1; grid-row: 1 / span 5; align-self: start; top: calc(var(--frame) + var(--header-h) + 1.4rem); margin-top: 1.4rem; padding: .9rem .9rem .7rem; }
  .stage-hero, .stop-card { grid-column: 2; }
  .stage-hero { min-height: calc(min(100svh, 1100px) - var(--frame) - var(--header-h)); padding: 2.2rem 0 11.5rem; }
  .stage-hero h1 { font-size: clamp(3.4rem, 5.6vw, 6.4rem); }
  .stage { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); }
  .stop-card { min-height: min(78svh, 720px); display: flex; flex-direction: column; justify-content: center; margin-bottom: 2rem; padding: 2rem 1.6rem; }
  .stage-meta { font-size: .66rem; }
  .layer-opt { font-size: .66rem; grid-template-columns: auto 1fr auto; }
  .layer-opt svg { grid-column: auto; width: 34px; }

  .sheet-stack { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1rem; align-items: start; }
  .sheet-stack::before { left: 0; right: 0; top: 2rem; bottom: auto; width: auto; height: 0; border-left: 0; border-top: 2px dashed var(--volt); }
  .sheet-card { padding: 3.4rem 1rem 2.6rem; }
  .sheet-card .bubble { left: 1rem; top: 1rem; }
  .sheet-stack > li:nth-child(2) { margin-top: 2.5rem; }
  .sheet-stack > li:nth-child(3) { margin-top: 5rem; }
  .sheet-stack > li:nth-child(4) { margin-top: 2.5rem; }
  .hours { grid-template-columns: repeat(4, minmax(0, 1fr)); border-left: 0; border-top: var(--stroke) solid var(--ink); }
  .hours li { padding: 1.4rem .8rem 0 0; }
  .hours li::before { left: 0; top: -7px; }
  .projects { gap: 4rem; }
  .project:nth-child(even) .pin { order: 2; }
}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }
  ::view-transition-old(root) { animation: sheet-out .55s cubic-bezier(.6, 0, .2, 1) both; }
  ::view-transition-new(root) { animation: sheet-in .55s cubic-bezier(.6, 0, .2, 1) both; }
  .is-live .house .current.is-on { animation: flow .9s linear infinite; }
  .is-live .house .halo.is-on { animation: pulse 1.8s ease-out infinite; }
}
@keyframes sheet-in { from { transform: translateX(100%); } to { transform: translateX(0); } }
@keyframes sheet-out { from { transform: translateX(0); opacity: 1; } to { transform: translateX(-14%); opacity: .4; } }
.current-paused .house .current.is-on, .current-paused .house .halo.is-on { animation-play-state: paused; }
.current-toggle { margin-top: .5rem; }
.no-js .current-toggle { display: none; }
@media (prefers-reduced-motion: reduce) { .current-toggle { display: none; } }
@keyframes flow { to { stroke-dashoffset: -36; } }
@keyframes pulse { 0% { transform: scale(.6); opacity: .3; } 100% { transform: scale(1.35); opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .crosshair { display: none; }
}