/* Layout: the page reads like a drawing set — a slate drafting sheet up top, plain concrete-grey sheets below,
   survey-orange used only for dimensions, measurements and the one action that matters. Single committed look. */
:root{
  --paper:#eceeec; --sheet:#f7f8f6; --ink:#15232a; --muted:#56656b; --rule:#c8d0ce;
  --slate:#1b2d36; --slate-2:#22384329; --line:#a7d3dc; --line-dim:#a7d3dc33;
  --flag:#f05a1a; --flag-ink:#ffffff; --ok:#2f7d5b;
  --display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --body:"Public Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0}
img,svg{max-width:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55}
a{color:inherit}
.gut{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.wrap{max-width:1180px;margin:0 auto}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.02;letter-spacing:.005em;text-wrap:balance;margin:0}
h2{font-size:clamp(34px,4.4vw,52px)}
h3{font-size:24px;font-weight:600}
p{margin:0}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
:focus-visible{outline:3px solid var(--flag);outline-offset:2px}


/* header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--slate);color:#fff;border-bottom:1px solid #ffffff1a}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--slate)}
.top .wrap{display:flex;align-items:center;gap:24px;min-height:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand svg{width:30px;height:30px}
.brand b{font-family:var(--display);font-size:24px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.brand b span{color:var(--flag)}
.top nav{display:flex;gap:22px;margin-left:auto;font-size:14px;font-weight:500}
.top nav a{text-decoration:none;color:#d6e4e7}
.top nav a:hover{color:#fff}
.phone{font-family:var(--mono);font-size:14px;color:#fff;white-space:nowrap}
@media (max-width:860px){.top nav{display:none}.phone{margin-left:auto}}

/* hero */
.hero{background:var(--slate);color:#eef5f6;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;align-items:center;padding-block:56px 64px}
.hero .eyebrow{color:var(--line)}
.hero h1{font-size:clamp(44px,6vw,78px);margin-top:14px;text-transform:uppercase;letter-spacing:.01em}
.hero h1 em{font-style:normal;color:var(--flag)}
.hero p.lead{margin-top:18px;font-size:18px;color:#c9d9dc;max-width:34em}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;text-decoration:none;padding:13px 20px;border-radius:3px;border:1.5px solid transparent;cursor:pointer;font-family:var(--body)}
.btn.go{background:var(--flag);color:var(--flag-ink)}
.btn.go:hover{filter:brightness(1.08)}
.btn.ghost{border-color:#ffffff55;color:#fff}
.btn.ghost:hover{border-color:#fff}
.sheet{position:relative;background:#1f3540;border:1px solid #ffffff22;border-radius:4px;box-shadow:0 30px 60px -30px #00000080}
.sheet svg{display:block;width:100%;height:auto}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;padding-block:40px 44px}}

/* facts strip */
.facts{background:var(--sheet);border-bottom:1px solid var(--rule)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.fact{padding:20px 18px;border-left:1px solid var(--rule)}
.fact:first-child{border-left:0;padding-left:0}
.fact b{display:block;font-family:var(--display);font-size:30px;font-weight:700;line-height:1}
.fact span{font-size:13px;color:var(--muted)}
@media (max-width:760px){.facts .wrap{grid-template-columns:repeat(2,minmax(0,1fr))}.fact{border-left:0;padding-left:0;border-top:1px solid var(--rule)}.fact:nth-child(-n+2){border-top:0}}

section{padding-block:76px}
.head{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:20px 48px;align-items:end;margin-bottom:36px}
.head p{color:var(--muted);max-width:36em}
@media (max-width:820px){.head{grid-template-columns:1fr}}

/* what changes over 50 kW */
.cmp{width:100%;border-collapse:collapse;background:var(--sheet);border:1px solid var(--rule);font-size:15px}
.cmp th,.cmp td{text-align:left;padding:14px 16px;border-top:1px solid var(--rule);vertical-align:top}
.cmp thead th{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500;border-top:0;background:var(--paper)}
.cmp td:first-child{font-weight:600;width:18%}
.cmp td:last-child{color:var(--ink)}
.cmp td:nth-child(2){color:var(--muted);width:30%}
.tablebox{overflow-x:auto}

/* sheet index */
.idx-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:28px;align-items:start}
@media (max-width:900px){.idx-grid{grid-template-columns:1fr}}
.idx{background:var(--sheet);border:1.5px solid var(--ink)}
.idx .bar{display:flex;justify-content:space-between;gap:12px;background:var(--ink);color:#fff;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;padding:9px 14px}
.idx ol{list-style:none;margin:0;padding:0}
.idx li{display:grid;grid-template-columns:62px minmax(0,1fr);gap:4px 14px;padding:12px 14px;border-top:1px solid var(--rule)}
.idx li:first-child{border-top:0}
.idx .no{font-family:var(--mono);font-weight:500;color:var(--flag);font-size:14px}
.idx .t{font-weight:600;font-size:15px}
.idx .d{grid-column:2;color:var(--muted);font-size:14px;line-height:1.45}
.scope{display:grid;gap:12px}
.scope div{background:var(--sheet);border:1px solid var(--rule);padding:16px 18px}
.scope h3{font-size:22px}
.scope p{font-size:14.5px;color:var(--muted);margin-top:4px}

/* pricing */
.price{background:var(--slate);color:#eef5f6}
.price .head p{color:#bcd0d4}
.price .eyebrow{color:var(--line)}
.tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid #ffffff2a}
.tier{padding:26px 24px 24px;border-left:1px solid #ffffff2a;display:flex;flex-direction:column;gap:10px}
.tier:first-child{border-left:0}
.tier .kw{font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--line)}
.tier .amt{font-family:var(--display);font-size:56px;font-weight:700;line-height:1}
.tier .amt small{font-size:18px;font-weight:500;color:#bcd0d4;margin-left:4px}
.tier p{font-size:14.5px;color:#c9d9dc}
@media (max-width:760px){.tiers{grid-template-columns:1fr}.tier{border-left:0;border-top:1px solid #ffffff2a}.tier:first-child{border-top:0}}
.adds{margin-top:22px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}
.adds div{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed #ffffff30;font-size:15px}
.adds b{font-family:var(--mono);font-weight:500;color:#fff;white-space:nowrap}
@media (max-width:760px){.adds{grid-template-columns:1fr}}
.fine{margin-top:18px;font-size:13.5px;color:#a9bfc4}

/* process */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:2px solid var(--ink);counter-reset:s}
.steps li{padding:18px 18px 0 0;counter-increment:s}
.steps li::before{content:counter(s);display:block;font-family:var(--display);font-size:42px;font-weight:700;color:var(--flag);line-height:1;margin-bottom:8px}
.steps b{display:block;font-size:16px}
.steps span{display:block;font-size:14px;color:var(--muted);margin-top:4px}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

/* residential */
.res{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:40px;align-items:center}
@media (max-width:860px){.res{grid-template-columns:1fr}}
.res-list{background:var(--sheet);border:1px solid var(--rule)}
.res-list div{display:flex;justify-content:space-between;gap:16px;padding:14px 18px;border-top:1px solid var(--rule);font-size:15px}
.res-list div:first-child{border-top:0}
.res-list b{font-family:var(--mono);font-weight:500}
.res p.copy{color:var(--muted);margin-top:14px;max-width:34em}

/* testimonials */
.quotes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
@media (max-width:760px){.quotes{grid-template-columns:1fr}}
blockquote{margin:0;padding:0 0 0 20px;border-left:3px solid var(--flag)}
blockquote p{font-size:19px;line-height:1.5}
blockquote cite{display:block;margin-top:12px;font-style:normal;font-size:14px;color:var(--muted)}
blockquote cite b{color:var(--ink)}

/* quote form */
.formwrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:44px;align-items:start}
@media (max-width:900px){.formwrap{grid-template-columns:1fr}}
.need{margin-top:18px;display:grid;gap:8px;font-size:15px}
.need div{display:flex;gap:10px}
.need div::before{content:"";flex:0 0 10px;height:10px;margin-top:7px;border:2px solid var(--flag)}
form.q{background:var(--sheet);border:1px solid var(--rule);padding:26px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 18px}
.f{display:flex;flex-direction:column;gap:6px;min-width:0}
.f.full{grid-column:1/-1}
.f label,.f legend{font-size:13px;font-weight:600}
.f input,.f select,.f textarea{font:inherit;font-size:15px;padding:10px 12px;border:1px solid #aeb9b7;border-radius:3px;background:#fff;color:var(--ink);width:100%}
.f textarea{min-height:84px;resize:vertical}
fieldset.f{border:0;padding:0;margin:0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{display:inline-flex;align-items:center;gap:6px;font-weight:500;font-size:14px;border:1px solid #aeb9b7;background:#fff;border-radius:3px;padding:8px 12px;cursor:pointer}
.chips input{accent-color:var(--flag);margin:0}
.drop{border:1.5px dashed #9aa8a6;background:#fff;padding:16px;text-align:center;font-size:14px;color:var(--muted);border-radius:3px}
.sendrow{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.sendrow .note{font-size:13.5px;color:var(--muted)}
#sent{grid-column:1/-1;font-family:var(--mono);font-size:13px;color:var(--ok)}
@media (max-width:560px){form.q{grid-template-columns:1fr;padding:18px}}

footer{background:var(--ink);color:#c6d1d3;font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 40px;padding-block:34px}
footer b{color:#fff;font-family:var(--display);font-size:20px;letter-spacing:.04em;text-transform:uppercase}
footer .mono{font-family:var(--mono)}

/* plotting moment: the drawing draws itself once on load */
@media (prefers-reduced-motion:no-preference){
  .plot .ln{stroke-dasharray:2400;stroke-dashoffset:2400;animation:draw 1.4s cubic-bezier(.4,0,.2,1) forwards}
  .plot .mod{opacity:0;animation:fade .3s ease-out forwards}
  .plot .dim{opacity:0;animation:fade .5s ease-out 1.5s forwards}
  @keyframes draw{to{stroke-dashoffset:0}}
  @keyframes fade{to{opacity:1}}
}

/* form states */
.f .req{color:var(--flag)}
.f input:invalid:not(:placeholder-shown){border-color:#c2410c}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
#q-msg{grid-column:1/-1;font-size:14.5px;padding:12px 14px;border-radius:3px}
#q-msg.ok{background:#e3f1ea;color:#1d5c40;border:1px solid #9fcfb6}
#q-msg.err{background:#fbe9e2;color:#8a2c0b;border:1px solid #f0b8a2}
.btn[disabled]{opacity:.6;cursor:wait}
.filelist{font-size:13px;color:var(--muted);margin-top:6px}

/* plain text pages (privacy, 404) */
.prose{max-width:720px;margin:0 auto;padding-block:64px 80px}
.prose h1{font-size:clamp(38px,5vw,56px)}
.prose h2{font-size:28px;margin-top:34px}
.prose p,.prose li{color:#33434a;margin-top:12px}
.prose ul{padding-left:20px}
.prose a{color:var(--flag)}

/* comparison table: stacked rows on phones */
@media (max-width:640px){
  .cmp thead{display:none}
  .cmp,.cmp tbody,.cmp tr,.cmp td{display:block;width:auto!important}
  .cmp tr{padding:14px 16px;border-top:1px solid var(--rule)}
  .cmp tr:first-child{border-top:0}
  .cmp td{padding:2px 0;border:0}
  .cmp td:first-child{font-family:var(--display);font-size:22px;margin-bottom:4px}
  .cmp td:nth-child(2)::before{content:"Home: ";font-weight:600;color:var(--ink)}
  .cmp td:nth-child(3)::before{content:"Commercial: ";font-weight:600}
}