:root{
  --paper:#f1f8f9;
  --panel:#ffffff;
  --ink:#315f73;
  --ink-2:#49788a;
  --line:#9fc6cf;
  --accent:#0b8fa3;
  --accent-2:#54b9c5;
  --soft:#dceff2;
  --signal:#f06f5f;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font:16px/1.62 Arial,Helvetica,sans-serif;
}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}
a:focus-visible{outline:3px solid var(--signal);outline-offset:4px}
.topbar{
  width:min(1180px,calc(100% - 40px));
  margin:0 auto;
  min-height:96px;
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:32px;
  align-items:center;
  border-bottom:1px solid var(--line);
}
.brand{
  display:flex;
  gap:12px;
  align-items:center;
  text-decoration:none;
}
.brand-mark{
  width:48px;
  height:48px;
  display:grid;
  place-items:center;
  border:2px solid var(--accent);
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
}
.brand strong,.brand small{display:block}
.brand strong{font-size:18px}
.brand small{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2)}
.mode-line{
  margin:0;
  color:var(--ink-2);
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.topnav{display:flex;gap:18px;align-items:center}
.topnav a{text-decoration:none;font-weight:700;font-size:14px}
.topnav a:hover{color:var(--accent)}
.service-sheet{
  width:min(1180px,calc(100% - 40px));
  margin:0 auto;
}
.service-hero{
  min-height:520px;
  display:grid;
  grid-template-columns:190px minmax(0,1fr);
  border-bottom:1px solid var(--line);
}
.sheet-code{
  padding:58px 30px 30px 0;
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.sheet-code span{
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.16em;
  color:var(--ink-2);
}
.sheet-code strong{
  font-size:90px;
  line-height:1;
  font-weight:400;
  color:var(--accent-2);
}
.hero-copy{
  padding:80px 0 70px 64px;
  max-width:820px;
}
.eyebrow,.section-head>p:first-child{
  margin:0 0 16px;
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:12px;
  font-weight:800;
  color:var(--accent);
}
h1,h2,h3,p{margin-top:0}
h1{
  font-size:40px;
  line-height:1.08;
  margin-bottom:28px;
  max-width:760px;
}
h2{
  font-size:28px;
  line-height:1.18;
  margin-bottom:18px;
}
h3{
  font-size:20px;
  line-height:1.25;
  margin-bottom:8px;
}
.hero-lead{
  font-size:22px;
  line-height:1.45;
  max-width:760px;
  color:var(--ink);
}
.hero-copy>p:last-child{max-width:720px;color:var(--ink-2)}
.service-facts{
  margin:0;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-bottom:1px solid var(--line);
}
.service-facts div{
  padding:26px 24px 28px;
  border-right:1px solid var(--line);
}
.service-facts div:last-child{border-right:0}
.service-facts dt{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.14em;
  color:var(--ink-2);
}
.service-facts dd{
  margin:6px 0 0;
  font-weight:800;
}
.sheet-section{
  display:grid;
  grid-template-columns:320px minmax(0,1fr);
  gap:54px;
  padding:76px 0;
  border-bottom:1px solid var(--line);
}
.section-head{align-self:start}
.section-head>p:last-child{color:var(--ink-2)}
.numbered-list{
  margin:0;
  padding:0;
  list-style:none;
}
.numbered-list li{
  display:grid;
  grid-template-columns:74px minmax(0,1fr);
  gap:22px;
  padding:24px 0;
  border-top:1px solid var(--line);
}
.numbered-list li:first-child{border-top:2px solid var(--accent)}
.numbered-list .item-no{
  color:var(--accent);
  font-weight:800;
  letter-spacing:.1em;
}
.numbered-list p{margin-bottom:0;color:var(--ink-2)}
.local-list li:nth-child(-n+4){padding:34px 0}
.local-list li:nth-child(-n+4) h3{font-size:25px}
.local-list li.compact{
  grid-template-columns:60px minmax(0,1fr);
  padding:18px 0;
}
.local-list li.compact p{font-size:15px}
.device-register{
  display:grid;
  grid-template-columns:1fr 1fr;
  border-top:2px solid var(--accent);
}
.device-register article{
  min-height:220px;
  padding:26px 26px 30px 0;
  border-bottom:1px solid var(--line);
}
.device-register article:nth-child(odd){padding-right:38px;border-right:1px solid var(--line)}
.device-register article:nth-child(even){padding-left:38px}
.device-register article span{
  display:block;
  margin-bottom:26px;
  color:var(--accent);
  font-size:13px;
  font-weight:800;
}
.device-register article p{color:var(--ink-2);margin-bottom:0}
.fault-table{
  margin:0;
  border-top:2px solid var(--accent);
}
.fault-table div{
  display:grid;
  grid-template-columns:180px 1fr 1fr;
  gap:20px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.fault-table dt{font-weight:800}
.fault-table dd{margin:0;color:var(--ink-2)}
.service-lines{align-items:start}
.service-line{
  grid-column:2;
  display:grid;
  grid-template-columns:80px 1fr;
  gap:22px;
  padding:24px 0;
  border-top:1px solid var(--line);
}
.service-line:first-of-type{border-top:2px solid var(--accent)}
.service-line>strong{
  font-size:26px;
  color:var(--accent-2);
}
.service-line p{margin-bottom:0;color:var(--ink-2)}
.area-note{
  border-top:2px solid var(--accent);
  padding:30px 0;
  display:grid;
  grid-template-columns:160px 1fr;
  gap:24px;
}
.area-note span{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.14em;
  color:var(--ink-2);
}
.area-note strong{font-size:20px}
.closing-section{align-items:end}
.plain-route{
  display:inline-block;
  justify-self:start;
  padding:14px 0 10px;
  border-bottom:3px solid var(--signal);
  font-size:18px;
  font-weight:800;
  text-decoration:none;
}
.footer{
  width:min(1180px,calc(100% - 40px));
  min-height:150px;
  margin:0 auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.footer span,.footer strong{display:block}
.footer span{
  margin-bottom:5px;
  color:var(--ink-2);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.footer nav{display:flex;gap:18px}
.footer a{text-decoration:none;font-weight:700}

/* home */
.home-page{background:#edf7f8}
.workbench{
  width:min(1180px,calc(100% - 40px));
  margin:0 auto;
  display:grid;
  grid-template-columns:210px minmax(0,1fr);
  column-gap:56px;
}
.workbench-intro{
  grid-column:1/-1;
  padding:74px 0 54px;
  border-bottom:2px solid var(--accent);
}
.workbench-intro h1{max-width:790px}
.workbench-intro>p:last-child{max-width:760px;font-size:20px;color:var(--ink-2)}
.symptom-index{
  grid-column:1;
  grid-row:2;
  position:sticky;
  top:20px;
  align-self:start;
  padding:42px 0;
}
.symptom-index strong,.symptom-index span{display:block}
.symptom-index strong{
  margin-bottom:18px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--accent);
}
.symptom-index span{
  padding:11px 0;
  border-top:1px solid var(--line);
  color:var(--ink-2);
}
.device-chapters{
  grid-column:2;
  grid-row:2;
}
.device-chapters article{
  padding:58px 0;
  border-bottom:1px solid var(--line);
}
.device-chapters article header{
  display:grid;
  grid-template-columns:100px 1fr;
  gap:18px;
  align-items:baseline;
}
.device-chapters article header span{
  color:var(--accent);
  font-weight:800;
  font-size:12px;
  letter-spacing:.12em;
}
.device-chapters article p{
  max-width:720px;
  color:var(--ink-2);
}
.device-chapters dl{
  margin:26px 0 0;
  display:grid;
  grid-template-columns:1fr 1fr;
  border-top:1px solid var(--line);
}
.device-chapters dl div{padding:16px 18px 0 0}
.device-chapters dt{
  color:var(--ink-2);
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.12em;
}
.device-chapters dd{margin:4px 0 0;font-weight:800}
.workbench-ledger{
  grid-column:1/-1;
  margin-top:66px;
  display:grid;
  grid-template-columns:280px 1fr;
  border-top:2px solid var(--accent);
}
.workbench-ledger header{
  padding:36px 34px 36px 0;
  border-right:1px solid var(--line);
}
.workbench-ledger header span{
  display:block;
  margin-bottom:16px;
  color:var(--accent);
  font-size:12px;
  font-weight:800;
  letter-spacing:.13em;
}
.ledger-row{
  grid-column:2;
  display:grid;
  grid-template-columns:180px 1fr;
  gap:24px;
  padding:22px 0 22px 34px;
  border-bottom:1px solid var(--line);
}
.ledger-row p{margin:0;color:var(--ink-2)}
.workbench-close{
  grid-column:1/-1;
  display:flex;
  justify-content:space-between;
  gap:50px;
  align-items:end;
  padding:72px 0;
}
.workbench-close>div{max-width:700px}
.workbench-close span{
  display:block;
  margin-bottom:14px;
  color:var(--accent);
  font-size:12px;
  font-weight:800;
  letter-spacing:.13em;
}
.workbench-close p{color:var(--ink-2)}
.workbench-close>a{
  flex:0 0 auto;
  padding-bottom:8px;
  border-bottom:3px solid var(--signal);
  text-decoration:none;
  font-weight:800;
}

@media (max-width:900px){
  .topbar{grid-template-columns:1fr auto;gap:16px}
  .mode-line{grid-column:1/-1;grid-row:2;margin-bottom:18px}
  .service-hero{grid-template-columns:110px 1fr}
  .sheet-code strong{font-size:62px}
  .hero-copy{padding-left:38px}
  .sheet-section{grid-template-columns:240px 1fr;gap:34px}
  .fault-table div{grid-template-columns:130px 1fr}
  .fault-table dd:last-child{grid-column:2}
  .workbench{grid-template-columns:170px 1fr;column-gap:34px}
}
@media (max-width:680px){
  .topbar{
    width:min(100% - 28px,1180px);
    display:flex;
    flex-wrap:wrap;
    padding:18px 0;
  }
  .topnav{width:100%;overflow-x:auto;padding-bottom:4px}
  .mode-line{width:100%;margin:0}
  .service-sheet,.footer,.workbench{width:min(100% - 28px,1180px)}
  .service-hero{display:block;min-height:0}
  .sheet-code{
    min-height:auto;
    padding:30px 0 18px;
    border-right:0;
    border-bottom:1px solid var(--line);
    flex-direction:row;
    align-items:end;
  }
  .sheet-code strong{font-size:48px}
  .hero-copy{padding:44px 0 48px}
  h1{font-size:40px}
  h2{font-size:28px}
  .hero-lead{font-size:19px}
  .service-facts{grid-template-columns:1fr 1fr}
  .service-facts div{border-bottom:1px solid var(--line)}
  .service-facts div:nth-child(2){border-right:0}
  .sheet-section{display:block;padding:56px 0}
  .section-head{margin-bottom:30px}
  .device-register{grid-template-columns:1fr}
  .device-register article,
  .device-register article:nth-child(odd),
  .device-register article:nth-child(even){
    min-height:0;
    padding:24px 0;
    border-right:0;
  }
  .service-line{grid-column:auto}
  .fault-table div{grid-template-columns:1fr}
  .fault-table dd:last-child{grid-column:auto}
  .area-note{grid-template-columns:1fr}
  .footer{min-height:170px;align-items:flex-start;padding:42px 0;display:block}
  .footer nav{margin-top:20px}
  .workbench{display:block}
  .symptom-index{position:static;padding:30px 0}
  .device-chapters article header{grid-template-columns:72px 1fr}
  .device-chapters dl{grid-template-columns:1fr}
  .workbench-ledger{display:block}
  .workbench-ledger header{border-right:0;border-bottom:1px solid var(--line)}
  .ledger-row{display:block;padding-left:0}
  .ledger-row strong{display:block;margin-bottom:8px}
  .workbench-close{display:block}
  .workbench-close>a{display:inline-block;margin-top:18px}
}

.inline-route{font-weight:800;text-decoration-color:var(--signal)}