:root{
  --bg:#ffffff;
  --ink:#0b1117;
  --muted:#68727c;
  --line:#e8ecef;
  --green:#2f9e24;
  --green-dark:#207b19;
  --green-soft:#eff8ec;
  --blue-soft:#eef6ff;
  --dark:#071015;
  --shadow:0 12px 34px rgba(5,17,27,.08);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.topbar{background:var(--dark);color:#fff;font-size:14px}
.topbar-inner{height:40px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar-left{display:flex;gap:26px}
.topbar a{opacity:.92}.topbar a:hover{opacity:1}
.portal-link span{opacity:.72}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,236,239,.9)}
.header-inner{min-height:92px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:14px;min-width:300px}
.brand img{width:70px;height:70px;object-fit:contain;border:1px solid var(--line);background:#fff}
.brand-copy{display:flex;flex-direction:column;line-height:1.08}
.brand-copy strong{font-size:25px;letter-spacing:-.7px}
.brand-copy span{font-size:14px;font-weight:700;margin-top:5px}
.main-nav{display:flex;align-items:center;justify-content:center;gap:24px;flex:1;font-size:14px;font-weight:700}
.main-nav a:hover{color:var(--green)}
.nav-toggle{display:none;border:0;background:transparent;font-size:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:14px 20px;font-weight:800;transition:.18s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(47,158,36,.2)}
.btn-primary:hover{background:var(--green-dark)}
.btn-secondary{background:#fff;border:1px solid #d8dde2}
.header-cta{white-space:nowrap}
.hero{position:relative;overflow:hidden;background:linear-gradient(105deg,#fff 0%,#fff 47%,#f4f7f8 47%,#edf1f3 100%)}
.hero-glow{position:absolute;left:43%;top:0;width:360px;height:100%;background:radial-gradient(circle,rgba(255,255,255,.95) 0%,rgba(255,255,255,.3) 48%,transparent 72%);filter:blur(12px);z-index:1}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.03fr .97fr;min-height:610px}
.hero-copy{padding:74px 26px 58px 0}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:var(--green);font-weight:900;font-size:13px;margin:0 0 18px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(46px,5.1vw,72px);line-height:1.02;letter-spacing:-2.7px;margin-bottom:20px}
.hero-text{font-size:18px;color:var(--muted);max-width:670px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px}
.trust-row div{display:grid;grid-template-columns:38px 1fr;grid-template-rows:auto auto;column-gap:10px;align-items:center}
.trust-row span{grid-row:1/3;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--green-soft);color:var(--green);font-weight:900}
.trust-row b{font-size:12px}.trust-row small{font-size:11px;color:var(--muted)}
.hero-visual{position:relative;min-height:610px;display:flex;align-items:flex-end;justify-content:center;padding:40px 0 0}
.house-card{position:relative;width:92%;height:480px;border-radius:34px 34px 0 0;background:linear-gradient(180deg,#dfe7eb 0%,#cfd8dc 33%,#77848c 33%,#4f5b62 100%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.4),var(--shadow);overflow:hidden}
.house-roof{position:absolute;top:62px;left:60px;width:84%;height:90px;background:#202a2f;clip-path:polygon(0 100%,18% 0,100% 0,100% 100%);opacity:.92}
.house-body{position:absolute;right:0;bottom:0;width:84%;height:320px;background:linear-gradient(90deg,#c7cfd4 0 39%,#3d484f 39% 100%)}
.window{position:absolute;background:linear-gradient(180deg,#2a3a44,#0f171c);border:7px solid #1f2c33;box-shadow:inset 0 0 25px rgba(245,190,91,.34)}
.w1{left:6%;top:22%;width:24%;height:47%}.w2{left:35%;top:22%;width:16%;height:47%}.w3{left:55%;top:22%;width:28%;height:47%}
.heatpump{position:absolute;right:28px;bottom:28px;width:250px;height:205px;border-radius:9px;background:linear-gradient(90deg,#20272d 0 51%,#f2f4f4 51% 100%);box-shadow:0 20px 32px rgba(0,0,0,.3)}
.heatpump .fan,.heatpump-art .fan{position:absolute;width:132px;height:132px;border-radius:50%;left:12px;top:36px;background:repeating-radial-gradient(circle,#111 0 4px,#262d31 5px 10px);box-shadow:inset 0 0 0 8px #121719}
.hp-brand{position:absolute;right:22px;top:24px;font-size:13px;font-weight:900;color:#29353b}.hp-brand:before{content:"F";display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--green);color:#fff;margin-right:5px}
.visual-note{position:absolute;right:-10px;top:150px;background:rgba(5,12,16,.93);color:#fff;padding:18px 22px;border-radius:16px;display:flex;gap:12px;align-items:center;box-shadow:var(--shadow)}
.visual-note span{color:#95e285;font-size:28px}.visual-note div{display:flex;flex-direction:column}.visual-note small{opacity:.78;margin-top:3px}
.section{padding:78px 0}.section-sm{padding:44px 0}
.section-heading{text-align:center;margin-bottom:34px}.section-heading .eyebrow{margin-bottom:8px}.section-heading h2{font-size:38px;letter-spacing:-1.4px;margin-bottom:0}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.solution-card{position:relative;min-height:390px;padding:28px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;background:#fff}
.solution-card h3{font-size:24px;line-height:1.08;letter-spacing:-.7px;max-width:270px}.solution-card p{color:var(--muted);max-width:310px}
.icon-badge{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--green-soft);color:var(--green);font-weight:900;margin-bottom:20px}.icon-badge.blue{background:var(--blue-soft);color:#3478c7}
.text-link{position:absolute;left:28px;bottom:24px;color:var(--green);font-weight:900}.text-link:hover{color:var(--green-dark)}
.status-pill{position:absolute;left:28px;bottom:24px;background:#e9f4ff;color:#2d6fae;border-radius:999px;padding:9px 14px;font-weight:800;font-size:13px}
.device-art{position:absolute;right:18px;bottom:62px}
.heatpump-art{width:190px;height:112px;background:linear-gradient(90deg,#20272d 0 52%,#f4f4f4 52% 100%);border-radius:8px;box-shadow:0 14px 20px rgba(0,0,0,.14)}
.heatpump-art .fan{width:74px;height:74px;top:19px;left:12px}
.ac-art{width:230px;height:62px;border-radius:15px;background:linear-gradient(180deg,#fff,#e8ebed);box-shadow:0 12px 18px rgba(0,0,0,.12)}
.ac-slot{position:absolute;left:20px;right:20px;bottom:9px;height:7px;background:#b5bdc1;border-radius:6px}
.service-art{position:absolute;right:18px;bottom:58px;width:230px;height:120px}
.van-body{position:absolute;right:5px;bottom:22px;width:186px;height:72px;background:#f2f4f4;border:2px solid #d8dddf;border-radius:18px 20px 10px 8px;transform:skewX(-4deg);box-shadow:0 12px 18px rgba(0,0,0,.12)}
.van-body:before{content:"";position:absolute;right:6px;top:6px;width:58px;height:30px;background:#26333a;border-radius:10px 13px 3px 3px}.van-body span{position:absolute;left:42px;top:22px;font-size:12px;font-weight:900;color:var(--green)}
.wheel{position:absolute;bottom:13px;width:26px;height:26px;border-radius:50%;background:#20272d;box-shadow:inset 0 0 0 7px #69737a}.wheel.left{left:58px}.wheel.right{right:21px}
.process{background:var(--dark);color:#fff;padding:56px 0}
.process-grid{display:grid;grid-template-columns:1.35fr repeat(4,1fr);align-items:center;gap:24px}
.process-intro h2{font-size:34px;letter-spacing:-1px;margin-bottom:12px}.process-intro p{color:#b7c0c7;max-width:360px}
.btn-dark-outline{border:1px solid #65727a;color:#fff;padding:12px 16px}
.process-step{display:flex;flex-direction:column;align-items:center;text-align:center;gap:5px}.process-step span{width:52px;height:52px;border:1px solid rgba(120,200,101,.45);border-radius:50%;display:grid;place-items:center;color:#9be989;font-weight:900}.process-step small{color:#a9b3b9}
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.benefit-grid>div{display:grid;grid-template-columns:44px 1fr;column-gap:12px}.benefit-grid span{grid-row:1/3;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--green-soft);color:var(--green);font-weight:900}.benefit-grid b{font-size:14px}.benefit-grid p{font-size:13px;color:var(--muted);margin-bottom:0}
.about{background:#f7f9fa}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}.about h2{font-size:42px;line-height:1.08;letter-spacing:-1.5px}.about p{font-size:18px;color:var(--muted)}
.footer{background:#081116;color:#fff;padding:56px 0 24px}.footer-grid{display:grid;grid-template-columns:1.7fr repeat(4,1fr);gap:34px}.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;gap:10px}.footer-grid b{margin-bottom:5px}.footer-grid a,.footer-grid p,.footer-grid span{font-size:14px;color:#c4ccd1}
.footer-brand{display:flex;gap:16px}.footer-brand img{width:76px;height:96px;object-fit:contain;background:#fff}.footer-brand div{display:flex;flex-direction:column}.footer-bottom{border-top:1px solid #223038;margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#93a0a8;font-size:13px}.footer-bottom div{display:flex;gap:18px}
@media (max-width:1050px){
  .header-inner{flex-wrap:wrap;padding:14px 0}.brand{min-width:unset}.main-nav{order:3;width:100%;justify-content:flex-start;overflow:auto;padding-bottom:4px}.header-cta{margin-left:auto}
  .hero-grid{grid-template-columns:1fr}.hero-copy{padding-right:0}.hero-visual{min-height:480px}.hero{background:#fff}.hero-glow{display:none}
  .trust-row{grid-template-columns:repeat(2,1fr)}.card-grid{grid-template-columns:1fr}.solution-card{min-height:330px}
  .process-grid{grid-template-columns:1fr 1fr}.process-intro{grid-column:1/-1}.benefit-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}
}
@media (max-width:720px){
  .container{width:min(100% - 24px,1180px)}.topbar-left a:nth-child(2){display:none}.portal-link span{display:none}
  .header-inner{min-height:78px}.brand img{width:54px;height:54px}.brand-copy strong{font-size:20px}.brand-copy span{font-size:12px}.header-cta{display:none}
  .nav-toggle{display:block;margin-left:auto}.main-nav{display:none;flex-direction:column;align-items:flex-start;gap:12px;padding:14px 0}.main-nav.is-open{display:flex}
  h1{font-size:46px}.hero-grid{min-height:auto}.hero-copy{padding:56px 0 28px}.hero-visual{min-height:360px;padding-top:0}.house-card{height:330px;width:100%}.heatpump{transform:scale(.76);transform-origin:right bottom}.visual-note{display:none}
  .trust-row{grid-template-columns:1fr 1fr}.section{padding:58px 0}.section-heading h2{font-size:32px}
  .solution-card{padding:22px}.text-link,.status-pill{left:22px}.process-grid{grid-template-columns:1fr}.process-step{align-items:flex-start;text-align:left;display:grid;grid-template-columns:52px 1fr;grid-template-rows:auto auto;column-gap:12px}.process-step span{grid-row:1/3}
  .benefit-grid,.about-grid,.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.device-art,.service-art{opacity:.62}
}