/* IE Solar Savings: mobile-first landing page. Palette from logo: navy/black, orange, gold. */
:root{--navy:#0b1730;--navy2:#13244a;--ink:#0a0a0a;--orange:#ff6a00;--orange2:#ff7a00;--gold:#ffb21e;--sun:#ffd43b;--bg:#fff;--soft:#f5f7fb;--muted:#4b5568;--line:#d9dee8;--ok:#0f8a3c;--bad:#b42318;--r:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5;font-size:17px;padding-bottom:84px}
img{max-width:100%;height:auto;display:block}
a{color:#0b4fb3}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h2{font-size:clamp(26px,5.5vw,36px);font-weight:900}
h3{font-size:19px}
.wrap{max-width:1120px;margin:0 auto;padding:0 18px}.narrow{max-width:760px}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:50}.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* header */
.topbar{position:sticky;top:0;z-index:20;background:var(--navy);border-bottom:3px solid var(--orange)}
.topbar .row{min-height:60px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:#fff}
.wordmark{display:flex;flex-direction:column;line-height:1}.wordmark b{font-size:19px;font-weight:900;letter-spacing:-.5px}.wordmark i{font-style:normal;font-size:12px;font-weight:900;letter-spacing:4px;color:var(--orange2)}
.call{display:inline-flex;align-items:center;gap:6px;background:var(--gold);color:var(--ink);font-weight:800;text-decoration:none;padding:10px 14px;border-radius:999px;font-size:16px;min-height:44px}

/* buttons */
.btn{display:inline-flex;justify-content:center;align-items:center;gap:6px;background:linear-gradient(180deg,var(--orange2),var(--orange));color:#fff;border:0;border-radius:14px;padding:14px 22px;font-weight:800;font-size:18px;text-decoration:none;cursor:pointer;min-height:52px;box-shadow:0 6px 18px rgba(255,106,0,.35);transition:transform .08s}
.btn:hover{filter:brightness(1.05)}.btn:active{transform:translateY(1px)}
.btn.block{display:flex;width:100%;margin-top:14px}.btn.big{font-size:19px;min-height:58px;padding:16px 26px}.btn.center{display:flex;width:max-content;max-width:100%;margin:22px auto 0}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* hero */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;padding:22px 0 28px}
.hero-bg{position:absolute;inset:0}.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:60% 40%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,23,48,.72) 0%,rgba(11,23,48,.82) 45%,rgba(11,23,48,.97) 100%)}
.hero-grid{position:relative;z-index:1;display:grid;gap:18px}
.eyebrow{color:var(--sun);font-weight:800;text-transform:uppercase;font-size:13px;letter-spacing:.06em;margin:0 0 6px}
h1{font-size:clamp(34px,9vw,58px);font-weight:900;margin:0 0 10px;text-shadow:0 2px 12px rgba(0,0,0,.35)}h1 span{color:var(--gold)}
.sub{font-size:18px;margin:0 0 10px;color:#e8edf7;max-width:560px}
.hero-points{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.hero-points li{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:6px 12px;font-size:15px}
.hero-points b{color:var(--sun)}

/* calculator */
.card{background:#fff;color:var(--ink);border-radius:var(--r);box-shadow:0 14px 40px rgba(11,23,48,.18);padding:20px;border:1px solid var(--line)}
.estimator{border:0;box-shadow:0 18px 50px rgba(0,0,0,.4)}
.calc-title{font-size:20px;font-weight:800;margin:0 0 8px;scroll-margin-top:80px}
.billrow{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.billval{font-size:44px;font-weight:900;color:var(--navy);letter-spacing:-1px}.billval small{font-size:18px;color:var(--muted);font-weight:700}
.billtype{display:flex;align-items:center;gap:2px;font-weight:800;color:var(--muted);margin:0}
.billtype input{width:96px;padding:10px;font-size:18px;font-weight:800;border:2px solid var(--line);border-radius:10px;text-align:right}
input[type=range]{width:100%;height:44px;accent-color:var(--orange);margin:4px 0 6px;cursor:pointer}
input[type=range]::-webkit-slider-thumb{width:30px;height:30px}
.ba{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:stretch;margin-top:8px}
.ba>div:not(.arrow){border-radius:12px;padding:12px}
.ba span{display:block;font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.ba b{font-size:clamp(22px,6vw,28px);font-weight:900;display:block;line-height:1.15}
.ba .before{background:#fff1f0}.ba .before b{color:var(--bad)}
.ba .after{background:#eafaf0}.ba .after b{color:var(--ok)}
.ba .arrow{align-self:center;font-size:24px;color:var(--orange);font-weight:900}
.est-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
.est-grid div{background:var(--soft);border-radius:12px;padding:10px 12px}
.est-grid span{display:block;font-size:13px;color:var(--muted);font-weight:600}.est-grid b{font-size:20px}
.est-grid .wide{grid-column:1/-1}
.fine{font-size:12.5px;color:var(--muted);margin:10px 0 0}

/* trust strip */
.trust{background:var(--ink);color:#fff;border-bottom:3px solid var(--gold)}
.trust-list{list-style:none;margin:0 auto;padding:14px 18px;display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;font-weight:700;font-size:15px}
.trust-list li{display:flex;gap:8px;align-items:center}.trust-list li:last-child{grid-column:1/-1}

/* form */
#quote{scroll-margin-top:70px;padding-top:24px;padding-bottom:8px}
.form-card{max-width:640px;margin:0 auto;border-top:6px solid var(--orange)}
.progress{height:10px;background:#e9edf3;border-radius:9px;overflow:hidden}
#bar{height:100%;width:16%;background:linear-gradient(90deg,var(--gold),var(--orange));transition:width .3s}
.stepcount{font-size:13px;font-weight:700;color:var(--muted);margin:6px 0 10px}
fieldset{border:0;padding:0;margin:0;display:none}fieldset.active{display:block}
legend{font-size:24px;font-weight:900;margin-bottom:6px;color:var(--navy)}
.steplead{margin:0 0 6px;color:var(--muted);font-size:15px}
label{display:block;font-weight:700;margin:14px 0 6px}
input:not([type=checkbox]):not([type=range]){width:100%;padding:14px;font-size:18px;border:2px solid #b9c2d3;border-radius:12px;background:#fff;color:var(--ink);min-height:52px}
input:focus{outline:3px solid var(--gold);border-color:var(--orange)}
.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px}
.choices button{min-height:54px;padding:12px 10px;font-size:16px;border:2px solid #b9c2d3;background:#fff;border-radius:12px;cursor:pointer;font-weight:700;color:var(--ink)}
.choices button.sel{border-color:var(--orange);background:#fff4ea;box-shadow:inset 0 0 0 1px var(--orange)}
.nav{display:flex;justify-content:space-between;align-items:center;margin-top:18px;gap:10px}
.back{background:none;border:0;color:var(--muted);font-size:16px;cursor:pointer;min-height:44px;padding:0 6px;font-weight:600}
.money{display:flex;align-items:center;gap:6px;font-size:22px;font-weight:800}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.consent{display:flex;gap:10px;font-weight:400;font-size:12.5px;color:#334155;align-items:flex-start;margin-top:16px;line-height:1.45}
.consent input{margin-top:2px;width:24px;height:24px;flex:none;accent-color:var(--orange)}
.hint{font-size:15px;color:var(--muted)}.err{color:var(--bad);font-size:15px;font-weight:600}
.hidden{display:none!important}.hp{position:absolute;left:-9999px}
.muted{color:var(--muted)}

/* booking (from app.js) */
.booking{border-top:2px dashed var(--line);margin-top:18px;padding-top:12px}.booking h2{font-size:23px;margin:6px 0}
.dates{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory}
.dates button{flex:none;scroll-snap-align:start;min-width:76px;min-height:60px;padding:10px 8px;border:2px solid #b9c2d3;border-radius:12px;background:#fff;cursor:pointer;color:var(--ink)}
.dates button span{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;font-weight:700}.dates button b{font-size:16px}
.dates button.sel,.slots button.sel{border-color:var(--orange);background:#fff4ea;box-shadow:inset 0 0 0 1px var(--orange)}
.slots{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.slots button{min-height:50px;padding:12px 6px;border:2px solid #b9c2d3;border-radius:12px;background:#fff;font-weight:700;font-size:16px;cursor:pointer;color:var(--ink)}
.slots button:disabled{opacity:.35;text-decoration:line-through;cursor:not-allowed}
.link-btn{display:block;margin:10px auto 0;background:none;border:0;color:var(--muted);text-decoration:underline;cursor:pointer;font-size:15px;min-height:44px}
.confirm{text-align:center}.confirm .check{width:60px;height:60px;border-radius:50%;background:var(--ok);color:#fff;font-size:32px;line-height:60px;margin:8px auto}
.confirm .when{font-size:23px;font-weight:900;color:var(--orange);margin:6px 0}
#result h2,#thanks h2{margin-top:0;color:var(--navy)}

/* sections */
.section{padding:44px 0}
.how{background:var(--soft)}
.steps3{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:12px}
.steps3 li{background:#fff;border-radius:var(--r);padding:18px;border:1px solid var(--line);position:relative;padding-left:72px}
.steps3 li b{position:absolute;left:18px;top:18px;width:40px;height:40px;border-radius:50%;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-size:20px;font-weight:900}
.steps3 h3{margin:0 0 4px}.steps3 p{margin:0;color:var(--muted)}
.learn-grid{display:grid;gap:22px;align-items:start}
.learn-img img{border-radius:var(--r);aspect-ratio:1/1;object-fit:cover;width:100%}
.facts{display:grid;gap:12px;margin-bottom:6px}
.facts div{border-left:5px solid var(--orange);background:var(--soft);padding:12px 14px;border-radius:0 12px 12px 0}
.facts h3{margin:0 0 4px}.facts p{margin:0;color:#2b3445;font-size:16px}
details{background:#fff;border:2px solid var(--line);border-radius:12px;margin:10px 0}
summary{font-weight:800;cursor:pointer;padding:14px 16px;min-height:52px;list-style:none;position:relative;padding-right:40px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:16px;top:10px;font-size:24px;color:var(--orange);font-weight:900}
details[open] summary::after{content:"–"}
details p{margin:0;padding:0 16px 14px;color:#2b3445}
.foot{background:var(--navy);color:#c7d0e0;font-size:13px;padding:26px 0 30px}.foot a{color:#fff}.foot img{margin-bottom:8px}

/* sticky mobile CTA */
.stickycta{position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(11,23,48,.96);box-shadow:0 -6px 20px rgba(0,0,0,.25);transform:translateY(0);transition:transform .2s}
.stickycta .btn{margin:0}
.stickycta.off{transform:translateY(110%)}

/* confirmation pages (/thank-you, /booked) */
body[data-page] .hero,body[data-page] .trust,body[data-page] #how,body[data-page] #learn,body[data-page] #faq,body[data-page] #leadForm,body[data-page] .progress,body[data-page] .stepcount,body[data-page] #result,body[data-page] .stickycta{display:none!important}
body[data-page]{padding-bottom:0}
body[data-page] #quote{margin-top:16px;min-height:60vh}

@media (max-width:899px){.dsk{display:none}.btn.big{padding:16px 12px;font-size:18px}h1{font-size:clamp(30px,8.4vw,40px)}.sub{font-size:17px}.hero{padding:16px 0 22px}.hero-grid{gap:14px}.billval{font-size:38px}.calc-title{font-size:18px}.estimator{padding:16px}}
/* desktop */
@media (min-width:900px){
  body{padding-bottom:0}
  .stickycta{display:none}
  .hero{padding:48px 0 56px}
  .hero::after{background:linear-gradient(90deg,rgba(11,23,48,.94) 0%,rgba(11,23,48,.78) 50%,rgba(11,23,48,.35) 100%)}
  .hero-grid{grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
  .sub{font-size:20px}
  .trust-list{grid-template-columns:repeat(5,auto);justify-content:space-between}.trust-list li:last-child{grid-column:auto}
  .steps3{grid-template-columns:repeat(3,1fr)}.steps3 li{padding:22px;padding-top:76px}.steps3 li b{top:22px;left:22px}
  .learn-grid{grid-template-columns:420px 1fr;gap:40px}
  .section{padding:64px 0}
}