:root{
  --navy:#0e2b46;
  --blue:#0b84d6;
  --ink:#11243a;
  --muted:#64748b;
  --bg:#f5f8fb;
  --line:#dce5ed;
  --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(10,40,60,.08)}
.nav{height:82px;display:flex;align-items:center;gap:32px}
.brand{display:flex;flex-direction:column;line-height:1}
.brand-main{font-size:28px;font-weight:800;letter-spacing:-1.5px}
.brand-main span{color:var(--blue)}
.brand-tag{font-size:9px;letter-spacing:3px;margin-top:7px;color:#65758a;font-weight:700}
.desktop-nav{margin-left:auto;display:flex;gap:26px;font-size:14px;font-weight:500}
.desktop-nav a:hover{color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:14px 24px;font-weight:700;font-size:14px;transition:.2s ease;border:1px solid transparent;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--blue),#0666b3);color:white;box-shadow:0 10px 28px rgba(11,132,214,.22)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08)}
.btn-light{background:#fff;color:var(--navy)}
.menu-toggle,.mobile-menu{display:none}

.hero{min-height:660px;position:relative;overflow:hidden;background:#cbd5df}
.hero-image,.hero-clear{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-image{
 background-image:linear-gradient(rgba(13,37,58,.22),rgba(13,37,58,.22)),url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1800&q=85");
 filter:saturate(.9);
}
.hero-clear{
 background-image:linear-gradient(rgba(12,30,48,.1),rgba(12,30,48,.1)),url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1800&q=85");
 clip-path:inset(0 48% 0 0);
}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,19,33,.78) 0%,rgba(4,19,33,.38) 42%,rgba(255,255,255,.55) 72%,rgba(255,255,255,.76) 100%);pointer-events:none}
.hero-overlay{position:absolute;right:0;top:0;bottom:0;width:48%;backdrop-filter:blur(11px);background:rgba(237,243,248,.32);z-index:2}
.hero-content{position:relative;z-index:4;padding-top:145px;color:#fff}
.eyebrow{font-size:12px;letter-spacing:2.4px;font-weight:700;margin-bottom:18px}
.eyebrow.dark{color:#5b7085}
.hero h1{font-size:clamp(48px,6vw,78px);line-height:1.03;letter-spacing:-3px;margin:0 0 24px;max-width:660px}
.hero p{font-size:20px;line-height:1.55;max-width:640px;color:rgba(255,255,255,.92)}
.hero-actions{display:flex;gap:12px;margin-top:32px}
.slider-wrap{position:absolute;z-index:5;left:50%;transform:translateX(-50%);bottom:32px;width:min(780px,78vw)}
.slider-wrap input{width:100%;accent-color:var(--blue)}
.slider-labels{display:flex;justify-content:space-between;color:white;font-size:12px;font-weight:700;letter-spacing:.8px;text-shadow:0 1px 8px rgba(0,0,0,.35);margin-bottom:8px}

.benefits{background:#fff;border-bottom:1px solid var(--line)}
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.benefit-grid article{padding:38px 30px;text-align:center;border-right:1px solid var(--line)}
.benefit-grid article:last-child{border-right:0}
.icon{font-size:34px;color:var(--blue);margin-bottom:12px}
.benefit-grid h3{margin:0 0 8px;font-size:18px}
.benefit-grid p{margin:0;color:var(--muted);line-height:1.5;font-size:14px}

.section{padding:92px 0}
.alt{background:var(--bg)}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.copy h2,.section h2{font-size:clamp(36px,4vw,54px);letter-spacing:-2px;line-height:1.08;margin:0 0 24px}
.copy p,.section-head p,.solar p,.contact p{font-size:17px;line-height:1.7;color:#536579}
.text-link{display:inline-block;margin-top:16px;color:var(--blue);font-weight:700}
.visual-card{min-height:440px;border-radius:28px;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;box-shadow:0 24px 60px rgba(15,46,71,.16)}
.glass-panel{display:flex;align-items:flex-end;padding:24px;background-size:cover;background-position:center}
.clear-panel{background-image:linear-gradient(rgba(6,24,40,.08),rgba(6,24,40,.35)),url("https://images.unsplash.com/photo-1497366811353-6870744d04b2?auto=format&fit=crop&w=1000&q=85")}
.frost-panel{background:linear-gradient(135deg,rgba(232,239,244,.93),rgba(194,211,223,.93)),url("https://images.unsplash.com/photo-1497366811353-6870744d04b2?auto=format&fit=crop&w=1000&q=85");background-blend-mode:screen;filter:saturate(.5)}
.glass-panel span{color:#fff;background:rgba(12,36,55,.68);padding:8px 12px;border-radius:999px;font-size:12px;font-weight:700}

.section-head{margin-bottom:36px}.section-head.centered{text-align:center;max-width:820px;margin:0 auto 50px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.use-card{min-height:330px;border-radius:22px;overflow:hidden;position:relative;background-size:cover;background-position:center;box-shadow:0 18px 40px rgba(15,46,71,.13)}
.use-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 38%,rgba(4,18,30,.86))}
.use-card div{position:absolute;z-index:2;bottom:0;padding:24px;color:#fff}
.use-card h3{margin:0 0 8px;font-size:21px}.use-card p{margin:0;color:rgba(255,255,255,.78);font-size:14px}
.office{background-image:url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=900&q=80")}
.retail{background-image:url("https://images.unsplash.com/photo-1441986300917-64674bd600d8?auto=format&fit=crop&w=900&q=80")}
.clinic{background-image:url("https://images.unsplash.com/photo-1519494026892-80bbd2d6fd0d?auto=format&fit=crop&w=900&q=80")}
.home{background-image:url("https://images.unsplash.com/photo-1600566753086-00f18fb6b3ea?auto=format&fit=crop&w=900&q=80")}

.solar{background:linear-gradient(135deg,#173a58,#0b628e);color:#fff}
.solar-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center}
.solar p{color:rgba(255,255,255,.82)}
.solar-badges{display:grid;gap:14px}
.solar-badges div{padding:24px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);border-radius:18px;display:flex;justify-content:space-between;gap:20px}
.solar-badges span{color:rgba(255,255,255,.68)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.steps article{padding:28px;border:1px solid var(--line);border-radius:20px}
.steps span{font-size:13px;color:var(--blue);font-weight:800}.steps h3{font-size:18px;margin:20px 0 8px}.steps p{color:var(--muted);font-size:14px;line-height:1.55}

.contact{background:#0c263d;color:#fff}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px}
.contact p{color:rgba(255,255,255,.72)}
.contact-lines{display:grid;gap:8px;margin-top:28px;color:rgba(255,255,255,.86)}
.quote-form{background:#fff;border-radius:24px;padding:28px;color:var(--ink);display:grid;grid-template-columns:1fr 1fr;gap:16px}
.quote-form label{font-size:13px;font-weight:700;display:grid;gap:8px}
.quote-form input,.quote-form textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 14px;font:inherit;outline:none}
.quote-form input:focus,.quote-form textarea:focus{border-color:#77bde9;box-shadow:0 0 0 3px rgba(11,132,214,.12)}
.full{grid-column:1/-1}.form-note{font-size:12px;color:var(--muted);margin:0}

footer{padding:42px 0;background:#fff}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr .8fr;gap:40px;align-items:start;color:#506176;font-size:14px;line-height:1.8}
.footer-brand{color:var(--ink)}

@media(max-width:900px){
  .desktop-nav,.desktop-cta{display:none}.menu-toggle{display:block;margin-left:auto;border:0;background:none;font-size:24px}
  .mobile-menu.open{display:grid;padding:0 20px 20px;gap:14px}
  .hero{min-height:620px}.hero-content{padding-top:110px}.hero p{font-size:18px;max-width:560px}.hero-overlay{width:40%}
  .benefit-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .benefit-grid article:nth-child(2){border-right:0}
  .split-grid,.solar-grid,.contact-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .container{width:min(100% - 28px,1180px)}.nav{height:72px}
  .brand-main{font-size:24px}.brand-tag{font-size:8px;letter-spacing:2px}
  .hero{min-height:650px}.hero-content{padding-top:95px}.hero h1{font-size:50px}.hero p{font-size:17px}
  .hero-actions{flex-direction:column;align-items:flex-start}.slider-wrap{width:88vw}
  .benefit-grid,.steps,.cards{grid-template-columns:1fr}.benefit-grid article{border-right:0;border-bottom:1px solid var(--line)}
  .section{padding:66px 0}.visual-card{min-height:360px}.copy h2,.section h2{font-size:38px}
  .quote-form{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}
}
.contact-lines a { color: inherit; text-decoration: none; }
.contact-lines a:hover { text-decoration: underline; }
.form-consent { display: flex !important; align-items: flex-start; gap: .65rem; font-size: .88rem; line-height: 1.45; }
.form-consent input { width: auto !important; margin-top: .2rem; }
.form-trap { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-note.success { color: #b9f6ca; font-weight: 600; }
.form-note.error { color: #ffd2d2; font-weight: 600; }