/* Layout: nav → full-bleed photo hero → trust strip → photo service cards → solar feature
   → pressure table → how it works → area/FAQ → quote form. Light-first. */
:root{
  --bg:#F1F4F4; --surface:#FFFFFF; --band:#E6ECEC; --line:#D3DCDD; --fg:#0E2E3A; --muted:#4F6670;
  --aqua:#1DA6C8; --aqua-text:#0B7590; --aqua-ink:#062530; --soft:#DDF2F7; --ok:#1C8A57; --err:#C2413A;
  --display:"Bricolage Grotesque","Arial Narrow",Arial,sans-serif;
  --body:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.23,1,.32,1);
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0B1E26; --surface:#102833; --band:#0D2430; --line:#1F3D4A; --fg:#E6F1F3; --muted:#93AEB7;
  --aqua:#37C2E0; --aqua-text:#5ED3EC; --aqua-ink:#04212A; --soft:#123845; --ok:#4CC88A; --err:#F0716A; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0B1E26; --surface:#102833; --band:#0D2430; --line:#1F3D4A; --fg:#E6F1F3; --muted:#93AEB7;
  --aqua:#37C2E0; --aqua-text:#5ED3EC; --aqua-ink:#04212A; --soft:#123845; --ok:#4CC88A; --err:#F0716A; color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
a{color:inherit}
h1,h2,h3{font-family:var(--display);margin:0;line-height:1.02;text-wrap:balance;letter-spacing:-.02em}
h1{font-size:clamp(2.6rem,6vw,4.4rem);font-weight:780}
h2{font-size:clamp(1.9rem,3.8vw,2.8rem);font-weight:720}
h3{font-size:1.25rem;font-weight:680;letter-spacing:-.01em}
p{margin:0}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font:inherit;font-weight:650;font-size:1rem;text-decoration:none;cursor:pointer;white-space:nowrap;
  padding:.8em 1.35em;border-radius:999px;border:1.5px solid transparent;transition:transform .16s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
.btn:active{transform:scale(.97)}
.btn-sm{padding:.55em 1.05em;font-size:.93rem}
.btn-solid{background:var(--aqua);color:var(--aqua-ink)}
.btn-ghost{border-color:var(--line);background:var(--surface);color:var(--fg)}
.btn:disabled{opacity:.6;cursor:progress}
@media (hover:hover) and (pointer:fine){
  .btn-solid:hover{background:color-mix(in srgb,var(--aqua) 85%,white)}
  .btn-ghost:hover{border-color:var(--muted)}
  .nav-links a:hover{color:var(--fg)}
}
:focus-visible{outline:2px solid var(--aqua);outline-offset:3px;border-radius:6px}

.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-row{display:flex;align-items:center;gap:24px;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-weight:720;font-size:1.1rem;margin-right:auto;min-width:0;letter-spacing:-.01em}
.brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.drop{width:24px;height:24px;flex:none}
.drop path{fill:var(--aqua)}
.nav-links{display:flex;gap:22px}
.nav-links a{text-decoration:none;color:var(--muted);font-size:.95rem;white-space:nowrap;transition:color .2s var(--ease)}

.hero{position:relative;min-height:min(78vh,720px);display:flex;align-items:flex-end;color:#fff;background:#24343A;overflow:hidden}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,22,28,.15) 0%,rgba(6,22,28,.35) 45%,rgba(6,22,28,.82) 100%)}
.hero-inner{position:relative;width:100%;padding-block:120px 64px}
.hero-copy{display:flex;flex-direction:column;gap:20px;max-width:640px}
.hero h1{color:#fff}
.hero .lede{font-size:1.18rem;color:rgba(255,255,255,.86);max-width:32em}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.btn-glass{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
@media (hover:hover) and (pointer:fine){.btn-glass:hover{background:rgba(255,255,255,.24)}}

.trust{background:var(--surface);border-bottom:1px solid var(--line)}
.trust-row{list-style:none;margin:0 auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding-block:26px}
.trust li{display:flex;flex-direction:column;gap:2px;padding-left:14px;border-left:3px solid var(--aqua)}
.trust b{font-weight:700}
.trust span{color:var(--muted);font-size:.93rem}

.section{padding-block:88px}
.band{background:var(--band)}
.section > .wrap > h2{margin-bottom:36px}
.sec-head{display:flex;flex-direction:column;gap:12px;margin-bottom:36px;max-width:44em}
.sec-head p{color:var(--muted)}

.services{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.svc{display:flex;flex-direction:column;gap:10px;min-width:0}
.svc-img{aspect-ratio:900/640;width:100%;object-fit:cover;border-radius:14px;background:var(--band);display:block}
.svc h3{margin-top:6px}
.svc p{color:var(--muted);font-size:.98rem}

.feature{position:relative;color:#fff;background:#1d3540;overflow:hidden}
.feature-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-inner{position:relative;padding-block:96px;display:flex;justify-content:flex-end}
.feature-card{max-width:500px;background:rgba(8,26,33,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:20px;padding:34px;display:flex;flex-direction:column;gap:16px}
.feature-card p{color:rgba(255,255,255,.82)}
.feature-card .btn{align-self:flex-start}
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ticks li{display:flex;gap:12px}
.ticks li::before{content:"";flex:none;width:12px;height:7px;margin-top:.5em;border-left:2px solid #5ED3EC;border-bottom:2px solid #5ED3EC;transform:rotate(-45deg)}

.how{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;counter-reset:h}
.how li{counter-increment:h;display:flex;flex-direction:column;gap:6px;min-width:0}
.how li::before{content:counter(h);width:40px;height:40px;border-radius:50%;background:var(--aqua);color:var(--aqua-ink);font-weight:700;display:grid;place-items:center;margin-bottom:8px}
.how b{font-family:var(--display);font-size:1.2rem;font-weight:680}
.how span{color:var(--muted);font-size:.96rem}

.table-scroll{position:relative;overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:18px}
.methods{border-collapse:collapse;width:100%;min-width:640px}
.methods th,.methods td{text-align:left;padding:18px 22px;border-top:1px solid var(--line);vertical-align:middle}
.methods thead th{border-top:0;font-size:.85rem;font-weight:600;color:var(--muted)}
.methods td:first-child{font-weight:650}
.methods td:nth-child(2){color:var(--muted)}
.methods td:nth-child(3){font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600}
.meter{width:140px;height:8px;border-radius:99px;background:var(--soft);overflow:hidden}
.meter i{display:block;height:100%;border-radius:99px;background:var(--aqua)}


.split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px}
.split > div{display:flex;flex-direction:column;gap:16px;min-width:0}
.cities{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.cities li{border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.93rem;color:var(--muted);background:var(--surface)}
.faq details{border-bottom:1px solid var(--line);padding-block:16px}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:650;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--aqua-text);font-size:1.2rem;line-height:1;transition:transform .2s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:10px;color:var(--muted);max-width:40em}

.quote-copy p{color:var(--muted);max-width:30em}
.quote-copy p a{color:var(--fg)}
.contact-list{margin:8px 0 0;display:grid;gap:12px}
.contact-list div{display:grid;grid-template-columns:110px minmax(0,1fr);gap:12px;align-items:baseline}
.contact-list dt{font-size:.9rem;color:var(--muted)}
.contact-list dd{margin:0;font-weight:600;overflow-wrap:anywhere}
.contact-list a{text-decoration:none;border-bottom:1px solid var(--line)}
.disclosure{font-size:.85rem;color:var(--muted);border-left:3px solid var(--line);padding-left:12px}
.form{display:flex;flex-direction:column;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;min-width:0}
.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:6px;font-size:.9rem;color:var(--muted)}
.field em,.chips em{font-style:normal;opacity:.75}
.field input,.field textarea{font:inherit;font-size:1rem;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:.7em .85em;width:100%;transition:border-color .2s var(--ease)}
.field textarea{resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--aqua)}
.field input[aria-invalid="true"]{border-color:var(--err)}
.chips{border:0;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px;min-width:0}
.chips legend{font-size:.9rem;color:var(--muted);margin-bottom:8px;padding:0}
.chips label{position:relative}
.chips input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.chips span{display:inline-flex;align-items:center;gap:6px;padding:.5em .95em;border:1px solid var(--line);border-radius:999px;font-size:.94rem;background:var(--bg);transition:border-color .18s var(--ease),background-color .18s var(--ease),transform .14s var(--ease)}
.chips label:active span{transform:scale(.97)}
.chips input:checked + span{border-color:var(--aqua);background:var(--soft);font-weight:600}
.chips input:focus-visible + span{outline:2px solid var(--aqua);outline-offset:2px}
@media (hover:hover) and (pointer:fine){.chips label:hover span{border-color:var(--muted)}}
@media (pointer:coarse){.chips span{min-height:44px}}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.photos{display:flex;flex-direction:column;gap:10px}
.photos-label{font-size:.9rem;color:var(--muted)}
.photos-label em{font-style:normal;opacity:.75}
#f-photos{position:absolute;width:1px;height:1px;opacity:0}
.photo-pick{display:flex;align-items:center;justify-content:center;gap:10px;padding:18px;border:1.5px dashed var(--line);border-radius:14px;background:var(--bg);cursor:pointer;font-weight:600;transition:border-color .2s var(--ease)}
.photo-pick svg{width:24px;height:24px;fill:none;stroke:var(--aqua-text);stroke-width:1.8;stroke-linejoin:round}
#f-photos:focus-visible + .thumbs,.photo-pick:focus-within{outline:2px solid var(--aqua)}
@media (hover:hover) and (pointer:fine){.photo-pick:hover{border-color:var(--aqua)}}
.thumbs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.thumbs:empty{display:none}
.thumb{position:relative;aspect-ratio:1;border-radius:10px;overflow:hidden;background:var(--band)}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb button{position:absolute;top:4px;right:4px;width:26px;height:26px;border-radius:50%;border:0;background:rgba(6,22,28,.75);color:#fff;font:inherit;font-size:15px;line-height:1;cursor:pointer}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-alt{font-size:.9rem;color:var(--muted)}
.form-alt a{color:var(--fg);text-decoration:none;border-bottom:1px solid var(--line);overflow-wrap:anywhere}
.form-status{font-size:.92rem;min-height:1.4em;color:var(--muted)}
.form-status.err{color:var(--err)}
.sent{display:flex;gap:16px;align-items:flex-start;padding:18px;border:1px solid var(--ok);border-radius:14px;background:color-mix(in srgb,var(--ok) 8%,var(--surface))}
.sent svg{width:28px;height:28px;flex:none}
.sent path{fill:var(--aqua)}
.sent p{color:var(--muted);margin-top:4px}

.actionbar{display:none}
.footer{padding-block:28px;font-size:.85rem;color:var(--muted);border-top:1px solid var(--line)}
.footer-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px}
.footer-row span:last-child{opacity:.75}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media (max-width:960px){
  .nav-links{display:none}
  .split{grid-template-columns:minmax(0,1fr);gap:40px}
  .services,.how,.trust-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-inner{justify-content:flex-start}
}
@media (max-width:640px){
  .nav-links{display:none}
  .hero{min-height:560px}
  .hero-inner{padding-block:100px 40px}
  .how,.trust-row{grid-template-columns:minmax(0,1fr)}
  .trust-row{gap:14px}
  .feature-inner{padding-block:56px}
  .feature-card{padding:24px}
  .section{padding-block:64px}
  .services,.field-row{grid-template-columns:minmax(0,1fr)}
  .form{padding:18px}
  .actionbar{display:grid;grid-template-columns:1fr 1fr;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:55;
    padding:10px max(16px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));
    background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line)}
  .footer{padding-bottom:96px}
}
.hero-img,.svc-img,.feature-img{color:transparent}