/* EnG Design — "The Drawing Set". One sheet, light linework on charcoal,
   EnG red reserved for checker redline: what's new, and the one action. */

@font-face{font-family:"Chakra Petch";font-weight:500;font-display:swap;src:url(fonts/chakra-petch-500-latin.woff2) format("woff2")}
@font-face{font-family:"Chakra Petch";font-weight:600;font-display:swap;src:url(fonts/chakra-petch-600-latin.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-weight:400;font-display:swap;src:url(fonts/ibm-plex-mono-400-latin.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-weight:500;font-display:swap;src:url(fonts/ibm-plex-mono-500-latin.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-weight:600;font-display:swap;src:url(fonts/ibm-plex-mono-600-latin.woff2) format("woff2")}

:root{
  --sheet:#f7f8f9;        /* drawing paper */
  --sheet-2:#eceef1;
  --sheet-3:#e1e4e8;
  --line:#d5d9de;
  --line-strong:#a9b0b8;
  --ink:#15171a;          /* linework + text */
  --ink-2:#353b42;        /* body copy */
  --ink-dim:#5b626a;
  --red:#b23c34;          /* checker redline */
  --red-ink:#a5342d;
  --red-wash:rgba(178,60,52,.08);
  --rail:44px;
  --gut:clamp(16px,4vw,48px);
  --display:"Chakra Petch",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{scrollbar-width:none;-ms-overflow-style:none;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
::-webkit-scrollbar{display:none;width:0;height:0}
body{margin:0;background:var(--sheet);color:var(--ink);font:400 15px/1.7 var(--mono);caret-color:var(--red-ink);
  font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased}
::selection{background:var(--red);color:#fff}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration-color:var(--line-strong);text-underline-offset:.25em;text-decoration-thickness:1px}
a:hover{text-decoration-color:var(--red-ink)}
:focus-visible{outline:2px solid var(--red-ink);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-family:var(--display);font-weight:600;margin:0;text-wrap:balance}
p{margin:0;text-wrap:pretty}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--sheet);padding:8px 12px;z-index:10}
.skip:focus{left:8px}

/* ---------- sheet frame ---------- */
.sheet{max-width:1280px;margin:0 auto;border-inline:1px solid var(--line);min-height:100vh;position:relative}
.ruler{display:grid;grid-template-columns:var(--rail) repeat(6,1fr);border-bottom:1px solid var(--line);
  font:500 11px/1 var(--mono);color:var(--ink-dim);letter-spacing:.08em}
.ruler span{padding:7px 0;text-align:center;border-left:1px solid var(--line);position:relative}
.ruler span:first-child{border-left:0}
.zone{display:grid;grid-template-columns:var(--rail) 1fr;border-bottom:1px solid var(--line)}
.zone>.rail{border-right:1px solid var(--line);font:500 11px/1 var(--mono);color:var(--ink-dim);
  display:flex;justify-content:center;padding-top:22px}
.zone>.rail span{position:sticky;top:76px;height:max-content}
.zone>.body{padding:clamp(40px,6vw,88px) var(--gut);min-width:0}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:5;background:rgba(247,248,249,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.top-in{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:28px;padding:10px var(--gut);border-inline:1px solid var(--line)}
.brand img{height:50px;width:auto}
.nav{display:flex;gap:24px;margin-left:auto;font:500 12px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}
.nav a{text-decoration:none;color:var(--ink-dim);padding:6px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.nav a:hover{color:var(--ink);border-color:var(--red)}

.btn{display:inline-flex;align-items:center;gap:10px;font:600 13px/1 var(--mono);letter-spacing:.06em;text-decoration:none;
  padding:13px 18px;border:1px solid var(--line-strong);color:var(--ink);background:transparent;border-radius:3px;
  transition:background .2s,border-color .2s,transform .2s var(--ease)}
.btn svg{width:16px;height:16px;flex:none}
.btn:hover{border-color:var(--ink-dim);background:var(--sheet-2)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--red);border-color:var(--red);color:#fff}
.btn.primary:hover{background:#9c322b;border-color:#9c322b}
.top .btn{padding:10px 14px}

/* ---------- hero ---------- */
.hero{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(32px,5vw,72px);align-items:center}
.hero h1{font-size:clamp(2.3rem,4.6vw,4.1rem);line-height:1.04;letter-spacing:-.015em;font-weight:600}
.hero h1 em{font-style:normal;color:var(--red-ink)}
.lede{margin-top:24px;color:var(--ink-dim);max-width:52ch;font-size:15.5px}
.lede strong{color:var(--ink);font-weight:500}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.est{margin-top:36px;display:flex;flex-wrap:wrap;gap:8px 22px;font:500 11.5px/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-dim)}
.est span+span::before{content:"";display:inline-block;width:4px;height:4px;background:var(--line-strong);margin-right:22px;vertical-align:middle;transform:translateY(-1px)}

.fig{margin:0}
.plan{width:100%;height:auto;overflow:visible}
.plan .g{fill:none;stroke:var(--ink);stroke-width:1.4;stroke-linejoin:round}
.plan .thin,.plan .hid,.plan .ctr{fill:none}
.plan .thin{stroke:var(--ink-dim);stroke-width:1}
.plan .hid{stroke:var(--ink-dim);stroke-width:1;stroke-dasharray:6 5}
.plan .ctr{stroke:var(--ink-dim);stroke-width:.8;stroke-dasharray:18 4 3 4}
.plan .fill{fill:var(--sheet-2)}
.plan text{font:500 10px var(--mono);fill:var(--ink-dim);letter-spacing:.08em}
.plan .feat{transition:opacity .3s}
.plan.focusing .feat{opacity:.28}
.plan.focusing .feat.on{opacity:1}
.plan .feat.on .g,.plan .feat.on .thin,.plan .feat.on .hid{stroke:var(--ink)}
.balloon{cursor:pointer}
.balloon circle{fill:var(--sheet);stroke:var(--ink);stroke-width:1.3;transition:fill .2s,stroke .2s}
.balloon text{font:600 13px var(--mono);fill:var(--ink);text-anchor:middle;dominant-baseline:central;letter-spacing:0}
.balloon .lead{stroke:var(--ink);stroke-width:1;fill:none}
.balloon .tip{fill:var(--ink);stroke:none}
.balloon:hover circle,.balloon:focus-visible circle,.balloon.on circle{fill:var(--red);stroke:var(--red)}
.balloon:hover text,.balloon:focus-visible text,.balloon.on text{fill:#fff}
.balloon:focus-visible{outline:none}
.balloon:focus-visible circle{stroke:var(--ink);stroke-width:2}
.cloud{fill:none;stroke:var(--red);stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}
.fig figcaption{margin-top:14px;font:500 11px/1.5 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-dim);
  display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding-top:10px}

/* the one authored moment: the sheet plots, then the checker marks it */
@media (prefers-reduced-motion:no-preference){
  .js .plan .plot{clip-path:inset(0 100% 0 0);animation:plot 1.7s var(--ease) .15s forwards}
  .js .plan .balloons{opacity:0;animation:fade .5s ease-out 1.25s forwards}
  .js .cloud{stroke-dasharray:var(--len) var(--len);stroke-dashoffset:var(--len)}
  .js .cloud.drawn{transition:stroke-dashoffset 1.1s var(--ease);stroke-dashoffset:0}
}
@keyframes plot{to{clip-path:inset(0 0 0 0)}}
@keyframes fade{to{opacity:1}}

/* ---------- section heads ---------- */
.head{display:flex;align-items:baseline;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:clamp(28px,4vw,48px)}
.head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.head p{color:var(--ink-dim);max-width:56ch}

/* ---------- general notes ---------- */
.notes{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(32px,5vw,72px);counter-reset:n}
.notes li{counter-increment:n;display:grid;grid-template-columns:2.4em 1fr;padding:18px 0;border-top:1px solid var(--line);max-width:62ch}
.notes li::before{content:counter(n) ".";color:var(--ink-dim);font-weight:500}
.notes li strong{color:var(--ink);font-weight:500}
.notes li{color:var(--ink-2)}

/* ---------- services ---------- */
.svc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(36px,4vw,56px) clamp(32px,5vw,72px)}
.item{position:relative;display:grid;grid-template-columns:44px 1fr;gap:4px 20px;scroll-margin-top:96px}
.num{width:34px;height:34px;border:1.3px solid var(--ink);border-radius:50%;display:grid;place-items:center;
  font:600 14px/1 var(--mono);transition:background .2s,border-color .2s}
.item.on .num{background:var(--red);border-color:var(--red);color:#fff}
.item h3{font-size:1.32rem;letter-spacing:.02em;line-height:1.25;padding-top:4px}
.item p{grid-column:2;color:var(--ink-2);max-width:58ch;margin-top:10px}
.item.new{grid-column:1/-1;padding:clamp(24px,3vw,36px);margin:8px -4px 0}
.item.new>svg.cloudbox{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.tag{display:inline-block;margin-left:12px;font:600 11px/1 var(--mono);letter-spacing:.12em;color:var(--red-ink);vertical-align:3px}
.kinds{grid-column:2;list-style:none;padding:0;margin:22px 0 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 32px}
.kinds li{padding:12px 0;border-top:1px solid var(--line);color:var(--ink);font-size:14px;line-height:1.5}
.no-js .item.new{outline:1px dashed var(--red);outline-offset:-1px}

/* ---------- parts list ---------- */
.bom-wrap{overflow-x:auto}
.bom{width:100%;border-collapse:collapse;font-size:14px}
.bom th{font:500 11px/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-dim);text-align:left;
  padding:10px 16px 10px 0;border-bottom:1px solid var(--line-strong)}
.bom td{padding:14px 16px 14px 0;border-bottom:1px solid var(--line);vertical-align:top}
.bom td:first-child,.bom th:first-child{width:3.5em;color:var(--ink-dim)}
.bom td.p{font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:.02em;white-space:nowrap}
.bom td.v{color:var(--ink-dim);white-space:nowrap}
.bom td.w{color:var(--ink-2)}
.bom tr{transition:background .2s}
.bom tbody tr:hover{background:var(--sheet-2)}

/* ---------- title block ---------- */
.call{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 48px;align-items:end;margin-bottom:clamp(32px,4vw,56px)}
.call h2{font-size:clamp(1.9rem,4vw,3.2rem);line-height:1.08}
.call p{color:var(--ink-dim);margin-top:14px;max-width:54ch}
.tb{border:1.5px solid var(--ink);display:grid;grid-template-columns:2fr 2.2fr 1.3fr 1.3fr;font-size:14px}
.tb>div{border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);padding:10px 14px 14px;min-width:0}
.tb>div:nth-child(4n){border-right:0}
.tb .k{display:block;font:500 10.5px/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-dim);margin-bottom:6px}
.tb .co{font-family:var(--display);font-weight:600;font-size:22px;letter-spacing:.03em;line-height:1.2}
.tb .wide{grid-column:span 2}
.tb .full{grid-column:1/-1;border-right:0}
.tb ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px 16px}
.tb .names{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px 16px}
.tb .names em,.tb ul em{display:block;font-style:normal;color:var(--ink-dim);font-size:12px}
.tb a{text-decoration:none}
.tb a:hover{color:var(--red-ink)}
.tb .last{border-bottom:0}
.tb .meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 24px;color:var(--ink-dim);font-size:12px;letter-spacing:.06em}
.social{display:flex;gap:14px}
.social a{color:var(--ink-dim)}
.social a:hover{color:var(--ink)}
.social svg{width:18px;height:18px}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .hero{grid-template-columns:1fr}
  .fig{max-width:720px}
  .kinds{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tb{grid-template-columns:1fr 1fr}
  .tb>div:nth-child(4n){border-right:1px solid var(--line-strong)}
  .tb>div:nth-child(2n){border-right:0}
  .tb .wide{grid-column:1/-1;border-right:0}
}
@media (max-width:760px){
  :root{--rail:26px}
  .nav{display:none}
  .top .btn span{display:none}
  .top-in{justify-content:space-between}
  .ruler{grid-template-columns:var(--rail) repeat(4,1fr)}
  .ruler span:nth-child(n+6){display:none}
  .zone>.rail{padding-top:16px;font-size:10px}
  .notes,.svc{grid-template-columns:1fr}
  .item{grid-template-columns:38px 1fr;gap:4px 14px}
  .item.new{margin:8px 0 0;padding:22px 16px}
  .kinds{grid-template-columns:1fr;grid-column:1/-1}
  .item.new p{grid-column:1/-1}
  .call{grid-template-columns:1fr}
  .tb{grid-template-columns:1fr}
  .tb>div{border-right:0!important}
  .tb ul,.tb .names{grid-template-columns:1fr 1fr}
  .fig figcaption{flex-direction:column;gap:4px}
  .bom td.v{white-space:normal}
}
@media (max-width:420px){
  .bom th:nth-child(3),.bom td.v{display:none}
}
.tb .fax{margin:10px 0 4px}
.num.plus svg{width:14px;height:14px}
@media (max-width:760px){.est{flex-direction:column;gap:6px}.est span+span::before{display:none}}
@media (max-width:760px){
  .bom thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .bom tr{display:grid;grid-template-columns:2.2em 1fr auto;gap:2px 8px;padding:14px 0;border-bottom:1px solid var(--line)}
  .bom td{border:0;padding:0}
  .bom td.v{display:block!important;text-align:right;font-size:12px}
  .bom td.w{grid-column:2/-1;margin-top:4px}
  .tb .names{grid-template-columns:1fr;gap:12px}
}

/* ---------- leadership: detail views ---------- */
.team{display:grid;gap:clamp(36px,4vw,56px)}
.crew{list-style:none;margin:0;padding:0;display:grid;gap:clamp(20px,2.4vw,32px)}
.crew.exec{grid-template-columns:repeat(3,minmax(0,1fr))}
.crew.sup{grid-template-columns:repeat(4,minmax(0,1fr))}
.grp h3{margin-bottom:20px;font-size:13px;font-family:var(--mono);font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-dim);
  padding-bottom:10px;border-bottom:1px solid var(--line)}
.det{margin:0}
.det .ph{position:relative;aspect-ratio:1;border:1px solid var(--ink);background:var(--sheet-2);overflow:hidden}
.det .ph img{width:100%;height:100%;object-fit:cover}
.det .ph::before,.det .ph::after{content:"";position:absolute;width:14px;height:14px;border:0 solid var(--sheet);z-index:1}
.det .ph::before{top:6px;left:6px;border-top-width:2px;border-left-width:2px}
.det .ph::after{bottom:6px;right:6px;border-bottom-width:2px;border-right-width:2px}
.det .ph.tbd{background:repeating-linear-gradient(135deg,transparent 0 9px,var(--line) 9px 10px),var(--sheet);display:grid;place-items:center}
.det .ph.tbd::before,.det .ph.tbd::after{border-color:var(--ink-dim)}
.det .ph.tbd span{background:var(--sheet);padding:6px 10px;border:1px solid var(--line-strong);font:500 11px/1 var(--mono);letter-spacing:.12em;color:var(--ink-dim)}
.det figcaption{margin-top:12px;display:grid;grid-template-columns:auto 1fr;gap:2px 12px;align-items:baseline}
.det .dl{grid-row:span 2;width:28px;height:28px;border:1.3px solid var(--ink);border-radius:50%;display:grid;place-items:center;font:600 12px/1 var(--mono)}
.det .nm{font-family:var(--display);font-weight:600;font-size:18px;letter-spacing:.02em;line-height:1.25}
.det .nm a{text-decoration:none}
.det .nm a:hover{color:var(--red-ink)}
.det .ti{color:var(--ink-dim);font-size:13px}
.crew.sup .nm{font-size:16px}
@media (max-width:1020px){.crew.sup{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.crew.exec,.crew.sup{grid-template-columns:1fr 1fr;gap:24px 16px}.det .nm{font-size:16px}}

/* In the shop: real office photos, kept near their native 335px so they stay sharp. */
.crew.shop{grid-template-columns:repeat(4,minmax(0,1fr))}
.shot{margin:0}
.shot .ph{position:relative;aspect-ratio:335/205;border:1px solid var(--ink);background:var(--sheet-2);overflow:hidden}
.shot .ph img{width:100%;height:100%;object-fit:cover}
.shot .ph::before,.shot .ph::after{content:"";position:absolute;width:14px;height:14px;border:0 solid var(--sheet);z-index:1}
.shot .ph::before{top:6px;left:6px;border-top-width:2px;border-left-width:2px}
.shot .ph::after{bottom:6px;right:6px;border-bottom-width:2px;border-right-width:2px}
.shot figcaption{margin-top:10px;font:500 11px/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-dim)}
@media (max-width:1020px){.crew.shop{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.crew.shop{gap:20px 16px}}

/* Watermark: the EnG mark sits behind the sheet once the hero scrolls away. */
.mark{position:fixed;inset:0;z-index:0;pointer-events:none;background:url(eng-mark.png) center 55%/min(72vw,900px) auto no-repeat;opacity:0;transition:opacity .6s ease}
.mark.on{opacity:.05}
.sheet{z-index:1}
@media (prefers-reduced-motion:reduce){.mark{transition:none}}