:root{
  --ink:#0c1a2a;
  --blue:#0e72d8;
  --blue2:#3ba6ff;
  --sun:#f7c84b;
  --lime:#8fd14f;
  --cream:#fbfaf6;
  --paper:#ffffff;
  --soft:#eef6fb;
  --muted:#657386;
  --line:#dfe8ef;
  --max:1180px;
  --radius:24px;
  --shadow:0 20px 60px rgba(18,46,74,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.6}
a{text-decoration:none;color:inherit} img{max-width:100%;display:block}
.container{width:min(calc(100% - 32px),var(--max));margin:auto}.section{padding:88px 0}.page-hero{padding:76px 0 30px}.page-frame{padding:20px 0 88px}.reveal{opacity:0;transform:translateY(24px);transition:.7s ease}.reveal.in{opacity:1;transform:none}
.topbar{position:sticky;top:0;z-index:60;background:rgba(251,250,246,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(12,26,42,.06)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em}.brand-mark{width:46px;height:46px;border-radius:14px;background:var(--ink);position:relative;overflow:hidden}.brand-mark:before{content:"";position:absolute;width:30px;height:30px;border-radius:50%;background:var(--sun);right:-6px;top:-6px}.brand-mark:after{content:"";position:absolute;width:34px;height:14px;background:var(--blue2);left:6px;bottom:8px;transform:skewX(-24deg);border-radius:3px}.brand small{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.18em;color:var(--muted);font-weight:700}.nav-links{display:flex;align-items:center;gap:22px}.nav-links a{font-size:.94rem;font-weight:700;color:#26364b}.nav-links a:hover{color:var(--blue)}.menu-toggle{display:none;background:none;border:none;font-size:1.6rem}
.kicker{display:inline-flex;align-items:center;gap:9px;padding:7px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.78rem;text-transform:uppercase;letter-spacing:.15em;font-weight:800}.kicker:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--sun);box-shadow:0 0 0 6px rgba(247,200,75,.2)}
.section-title{font-size:clamp(2.1rem,3.4vw,3.8rem);line-height:1.02;letter-spacing:-.05em;margin:0 0 14px}.section-intro{color:var(--muted);max-width:760px;margin:0 0 26px}
.btns{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 20px;border-radius:14px;font-weight:850;border:1px solid transparent;transition:.25s}.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover{transform:translateY(-2px)}.btn-secondary{background:#fff;border-color:var(--line)}.btn-sun{background:var(--sun);color:#1b2430}
.hero{position:relative;overflow:hidden;padding:46px 0 70px}.hero:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(247,200,75,.16);right:-150px;top:-230px}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:30px;align-items:center;position:relative}.hero h1{font-size:clamp(3.2rem,6vw,6.8rem);line-height:.88;letter-spacing:-.07em;margin:18px 0}.hero h1 .sunword{color:var(--blue)}.hero p{font-size:1.07rem;color:var(--muted);max-width:620px}.hero-visual{position:relative;min-height:620px}.roof-card{position:absolute;inset:30px 0 0 40px;border-radius:34px;overflow:hidden;background:#d7ebf7;box-shadow:var(--shadow)}.roof-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.roof-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(6,20,32,.03) 45%,rgba(6,20,32,.45) 100%)}
.sun-orbit{position:absolute;right:-18px;top:-5px;width:170px;height:170px;border:2px dashed rgba(14,114,216,.22);border-radius:50%;animation:spin 22s linear infinite}.sun-orbit:before{content:"";position:absolute;width:46px;height:46px;border-radius:50%;background:var(--sun);right:12px;top:12px;box-shadow:0 0 0 16px rgba(247,200,75,.16)}
.energy-card,.fact-card,.service-card,.story-card,.metric,.process-card,.project-card,.quote-card,.contact-card,.plan,.faq,.calculator,.compare-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.energy-card{position:absolute;z-index:3;left:0;bottom:38px;width:270px;border-radius:22px;padding:20px}.energy-line{height:4px;background:#dfe9f0;border-radius:999px;overflow:hidden;margin:12px 0}.energy-line span{display:block;width:74%;height:100%;background:linear-gradient(90deg,var(--sun),var(--lime),var(--blue2));animation:flow 3s ease-in-out infinite alternate}.energy-card strong{font-size:1.55rem;display:block}.energy-card small{color:var(--muted)}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.badge{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.9rem;font-weight:700;color:#314157}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.split{display:grid;grid-template-columns:1.04fr .96fr;gap:24px;align-items:center}
.service-card,.story-card,.metric,.process-card,.quote-card,.contact-card,.plan,.faq,.calculator,.compare-card{padding:24px;border-radius:24px}.service-card h3,.story-card h3,.process-card h3,.quote-card h3,.contact-card h3,.plan h3,.faq h3,.calculator h3,.compare-card h3{margin:0 0 9px;font-size:1.18rem}.service-card p,.story-card p,.process-card p,.quote-card p,.contact-card p,.plan p,.faq p,.calculator p,.compare-card p{margin:0;color:var(--muted)}
.icon{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:var(--soft);font-size:1.35rem;margin-bottom:17px}.icon.sun{background:#fff4c8}.icon.green{background:#ebf8df}.icon.blue{background:#e7f4ff}
.image-panel{position:relative;overflow:hidden;min-height:500px;border-radius:32px;box-shadow:var(--shadow)}.image-panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.image-panel:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(8,20,30,.05) 38%,rgba(8,20,30,.66) 100%)}.overlay{position:absolute;left:24px;right:24px;bottom:24px;z-index:2;color:#fff}.tag{display:inline-flex;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.18);backdrop-filter:blur(6px);font-size:.8rem;margin-bottom:12px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.metric strong{display:block;font-size:2rem;letter-spacing:-.04em}.metric span{color:var(--muted);font-size:.94rem}
.energy-band{background:var(--ink);color:#fff;position:relative;overflow:hidden}.energy-band:before{content:"";position:absolute;left:0;right:0;top:50%;height:2px;background:linear-gradient(90deg,transparent,var(--sun),var(--lime),var(--blue2),transparent);animation:shift 4s linear infinite}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}.process-card{background:#101f31;border-color:rgba(255,255,255,.09);box-shadow:none;color:#fff}.process-card p{color:#aab8ca}.step{font-size:.78rem;text-transform:uppercase;letter-spacing:.18em;color:var(--sun);font-weight:900;margin-bottom:10px}
.projects{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:18px}.project-card{position:relative;overflow:hidden;min-height:270px;border-radius:28px;padding:0}.project-card.large{min-height:550px}.project-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.project-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(5,20,32,.05) 40%,rgba(5,20,32,.78) 100%)}
.calculator-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px}.calc-result{background:var(--ink);color:#fff;border-radius:24px;padding:28px}.calc-result strong{font-size:2.8rem;display:block}.calc-result span{color:#b4c2d4} input[type=range]{width:100%;accent-color:var(--blue)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}input,select,textarea{width:100%;padding:15px 16px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit}textarea{min-height:140px;resize:vertical}
.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:22px}.map-card{min-height:100%;position:relative;overflow:hidden;background:linear-gradient(135deg,#f2f8fb,#e6f4fb)}.map-card:before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(14,114,216,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(14,114,216,.08) 1px,transparent 1px);background-size:34px 34px}.dot{position:absolute;width:13px;height:13px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 10px rgba(14,114,216,.13)}.d1{left:25%;top:38%}.d2{left:58%;top:57%}.d3{left:73%;top:28%}
.page-title{font-size:clamp(2.6rem,4.7vw,5.2rem);line-height:.94;letter-spacing:-.06em;margin:8px 0 16px}.breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:.92rem;margin-bottom:16px}.breadcrumbs span{color:var(--ink);font-weight:700}.plan-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.plan.featured{border:2px solid var(--blue);transform:translateY(-6px)}.price{font-size:2.2rem;font-weight:900;margin:8px 0}.plan ul{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:10px}.plan li:before{content:"✓";color:var(--lime);font-weight:900;margin-right:9px}
.footer{padding:28px 0 50px;border-top:1px solid var(--line);color:var(--muted)}.footer-row{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}.footer-nav{display:flex;gap:18px;flex-wrap:wrap}.sticky-cta{position:fixed;left:50%;bottom:14px;transform:translateX(-50%);display:none;gap:10px;z-index:70;width:min(calc(100% - 24px),520px)}.sticky-cta a{flex:1;padding:14px 16px;border-radius:14px;text-align:center;font-weight:900}.sticky-cta .call{background:var(--ink);color:#fff}.sticky-cta .wa{background:#16c98d;color:#07150f}
@keyframes spin{to{transform:rotate(360deg)}}@keyframes flow{to{width:92%}}@keyframes shift{0%{transform:translateX(-20%)}100%{transform:translateX(20%)}}
@media(max-width:1024px){.hero-grid,.split,.calculator-grid,.contact-grid,.projects{grid-template-columns:1fr}.grid-3,.grid-4,.stats,.process,.plan-wrap{grid-template-columns:repeat(2,1fr)}.hero-visual{min-height:540px}}
@media(max-width:760px){.nav-links{position:fixed;inset:76px 16px auto 16px;display:none;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--line);padding:18px;border-radius:20px;box-shadow:var(--shadow)}.nav-links.open{display:flex}.menu-toggle{display:block}.grid-3,.grid-4,.stats,.process,.plan-wrap,.form-grid{grid-template-columns:1fr}.hero h1{font-size:clamp(3rem,13vw,5rem)}.section{padding:72px 0}.sticky-cta{display:flex}}