:root{--plum:#6D2E46;--brick:#A44A3F;--cream:#F7EDE2;--sand:#DDB892;--olive:#283618;--white:#FFFDF9;--line:rgba(40,54,24,.25);--serif:"Fraunces",Georgia,serif;--sans:"Inter",system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:120px}
body{font-family:var(--sans);background:var(--white);color:var(--olive);line-height:1.7;overflow-x:hidden}
img{display:block;max-width:100%;height:100%;width:100%;object-fit:cover;background:var(--sand)}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.1}
h1{font-size:clamp(2.4rem,5.5vw,4.6rem);color:var(--plum)}
h2{font-size:clamp(1.9rem,3.6vw,3rem);color:var(--plum)}
h3{font-size:1.35rem;color:var(--olive)}
.label{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brick);border-top:1px solid var(--brick);display:inline-block;padding-top:.5rem;margin-bottom:1.2rem}
.btn{display:inline-block;margin-top:1.6rem;padding:.8rem 1.6rem;border:1px solid var(--plum);color:var(--plum);font-size:.9rem;transition:.3s}
.btn:hover{background:var(--plum);color:var(--cream);transform:translateY(-3px)}
.btn-light{border-color:var(--cream);color:var(--cream)}
.btn-light:hover{background:var(--cream);color:var(--plum)}

.site-header{position:sticky;top:0;z-index:50;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1.5rem;padding:1rem 5vw;background:var(--white);border-bottom:1px solid var(--line)}
.topbar{flex:1 0 100%;order:-1;display:flex;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:.35rem 1.5rem;padding-bottom:.65rem;margin-bottom:.15rem;border-bottom:1px solid var(--line);font-size:.78rem;color:var(--olive);opacity:.9}
.tb-item{display:inline-flex;align-items:center;gap:.45rem}
.tb-item a{border-bottom:1px solid transparent;transition:.3s}
.tb-item a:hover{color:var(--brick);border-color:var(--brick)}
.ico{width:16px;height:16px;flex:none;color:var(--brick)}
.topbar .ico{width:14px;height:14px;color:var(--sand)}
.logo{display:flex;align-items:center;gap:.7rem;font-family:var(--serif);font-size:1.25rem;color:var(--plum)}
.logo-icon{width:40px;height:40px;flex:none;color:var(--brick);transition:transform .5s}
.logo:hover .logo-icon{transform:rotate(120deg)}
.nav{display:flex;gap:1.6rem;font-size:.9rem}
.nav a{padding-bottom:2px;border-bottom:1px solid transparent;transition:.3s}
.nav a:hover{color:var(--brick);border-color:var(--brick)}
.menu-btn{display:none;background:none;border:0;width:36px;height:30px;position:relative;cursor:pointer}
.menu-btn span{position:absolute;left:4px;right:4px;height:2px;background:var(--plum);transition:.3s}
.menu-btn span:nth-child(1){top:6px}.menu-btn span:nth-child(2){top:14px}.menu-btn span:nth-child(3){top:22px}
.menu-btn.open span:nth-child(1){top:14px;transform:rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){top:14px;transform:rotate(-45deg)}

.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:5vw;align-items:end;padding:6vw 5vw 4vw 7vw;background:var(--cream)}
.hero-text p:not(.label){max-width:34rem;margin-top:1.5rem}
.hero-img{height:min(78vh,640px);margin-bottom:-8vw;border:1px solid var(--plum);padding:10px;background:var(--white);transition:transform .5s}
.hero-img:hover{transform:translateY(-6px)}

.about{padding:8vw 5vw;border-bottom:1px solid var(--line);max-width:62rem}
.about h2{margin-bottom:.4rem;max-width:40rem}
.about-body p{margin-top:1.1rem;max-width:44rem}
.about .btn{margin-top:1.8rem}

.intro{max-width:34rem}
.problems{display:grid;grid-template-columns:repeat(12,1fr);gap:2rem 1.5rem;padding:14vw 5vw 8vw}
.problems .intro{grid-column:1/8}
.prob{border-top:1px solid var(--line);padding-top:1.2rem;transition:transform .4s}
.prob:hover{transform:translateY(-6px)}
.prob p{margin-top:.8rem;max-width:26rem}
.num{font-family:var(--serif);font-size:3rem;color:var(--sand);line-height:1;display:block;margin-bottom:.5rem}
.p1{grid-column:1/7}.p2{grid-column:8/13;margin-top:4rem}.p3{grid-column:2/8}.p4{grid-column:9/13;margin-top:3rem}

.split{display:grid;grid-template-columns:1.2fr 1fr;gap:6vw;align-items:center;padding:6vw 5vw 6vw 0}
.split figure{height:min(85vh,720px)}
.split img{transition:transform .8s}
.split figure{overflow:hidden}
.split figure:hover img{transform:scale(1.04)}
.cooling{background:var(--cream)}
.reverse{grid-template-columns:1fr 1.2fr;padding:6vw 0 6vw 5vw}
.reverse figure{order:2}
.split dl div{border-top:1px solid var(--line);padding:1rem 0;display:grid;grid-template-columns:.9fr 1.3fr;gap:1rem}
.split dt{font-family:var(--serif);font-size:1.1rem}
.split h2{margin-bottom:1.5rem}
.heating .split-text{padding-left:2vw}

.checklist{display:grid;grid-template-columns:.8fr 1.2fr;gap:6vw;padding:8vw 5vw;background:var(--olive);color:var(--cream)}
.checklist h2{color:var(--sand)}
.checklist .label{color:var(--sand);border-color:var(--sand)}
.check-head figure{margin-top:2rem;height:320px;margin-left:-2vw;border:1px solid var(--sand);padding:8px}
.checks{list-style:none;align-self:center}
.checks li{position:relative;padding:1.2rem 0 1.2rem 3.2rem;border-bottom:1px solid rgba(221,184,146,.35);display:grid;gap:.2rem;transition:transform .3s}
.checks li:hover{transform:translateX(8px)}
.checks li:nth-child(even){margin-left:4vw}
.checks li::before{content:"";position:absolute;left:0;top:1.4rem;width:1.5rem;height:1.5rem;border:1px solid var(--sand);border-radius:50%}
.checks li::after{content:"";position:absolute;left:.5rem;top:1.6rem;width:.45rem;height:.8rem;border:solid var(--sand);border-width:0 2px 2px 0;transform:rotate(45deg)}
.checks b{font-family:var(--serif);font-weight:400;font-size:1.3rem}
.checks span{opacity:.85;font-size:.95rem}

.services{padding:8vw 5vw}
.svc-list{list-style:none;margin-top:3rem;display:flex;flex-direction:column}
.svc-list li{width:min(30rem,100%);padding:1.4rem 0;border-top:1px solid var(--line);transition:transform .4s}
.svc-list li:hover{transform:translateX(10px)}
.svc-list li:nth-child(4n+2){margin-left:18%}
.svc-list li:nth-child(4n+3){margin-left:6%}
.svc-list li:nth-child(4n){margin-left:34%}
.svc-list h3{color:var(--brick)}

.approach{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--plum);border-bottom:1px solid var(--plum);margin:0 5vw}
.step{padding:3rem 2rem;border-right:1px solid var(--line);transition:background .3s}
.step:last-child{border:0}
.step:hover{background:var(--cream)}
.step span{font-family:var(--serif);font-size:2.4rem;color:var(--plum);display:block;margin-bottom:.8rem}
.step:not(:last-child) span::after{content:" \2192";color:var(--brick)}

.seasons{padding:8vw 5vw}
.season-row{display:grid;grid-template-columns:1fr 1.3fr .9fr 1.1fr;gap:1.5rem;margin-top:3rem;align-items:start}
.season-row article{background:var(--cream);padding:1.6rem;border:1px solid var(--line);transition:transform .4s}
.season-row article:hover{transform:translateY(-6px)}
.season-row article:nth-child(2){margin-top:2.5rem;background:var(--sand)}
.season-row article:nth-child(3){margin-top:1rem}
.season-row article:nth-child(4){margin-top:4rem;background:var(--plum);color:var(--cream)}
.season-row article:nth-child(4) h3{color:var(--sand)}
.season-row h3{margin-bottom:.6rem}
.season-row p{font-size:.95rem}

.cta{background:var(--brick);color:var(--cream);padding:9vw 5vw}
.cta div{max-width:40rem;margin-left:12%}
.cta h2{color:var(--white);margin-bottom:1.2rem}

.footer{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:2.5rem;padding:4rem 5vw 2rem;background:var(--cream);font-size:.92rem}
.footer h4{font-family:var(--serif);font-weight:400;color:var(--plum);margin-bottom:.8rem;font-size:1.1rem;display:flex;align-items:center;gap:.45rem}
.footer a:not(.logo){display:block;padding:.15rem 0}
.footer a:hover{color:var(--brick)}
.footer p{margin-top:1rem;max-width:20rem}
.finfo{list-style:none;display:grid;gap:.7rem}
.finfo li{display:flex;align-items:flex-start;gap:.6rem;line-height:1.5}
.finfo .ico{margin-top:.2rem}
.finfo address{font-style:normal}
.finfo .hrs{font-family:var(--serif);color:var(--plum)}
.footer .copy{grid-column:1/-1;border-top:1px solid var(--line);padding-top:1.2rem;max-width:none;font-size:.8rem}

@media(max-width:1000px){
 .hero{grid-template-columns:1fr;padding:8vw 6vw 0}
  .hero-img{height:420px;margin-bottom:-6vw}
  .about{padding:8vw 6vw}
 .problems{padding-top:14vw}
 .p1,.p2,.p3,.p4,.problems .intro{grid-column:1/-1;margin-top:0}
 .p2,.p4{margin-left:12%}
 .split,.reverse{grid-template-columns:1fr;padding:8vw 6vw}
 .reverse figure{order:0}
 .split figure{height:420px}
 .checklist{grid-template-columns:1fr}
 .check-head figure{margin-left:0}
 .season-row{grid-template-columns:1fr 1fr}
 .season-row article{margin-top:0!important}
  .footer{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
  .logo{font-size:1.05rem;gap:.55rem}
  .logo-icon{width:34px;height:34px}
  .nav{gap:1rem;font-size:.82rem}
  .cta div{margin-left:0}
}
@media(max-width:760px){
  .menu-btn{display:block}
  .topbar{justify-content:flex-start;font-size:.72rem;gap:.3rem .9rem}
  .topbar .tb-item:nth-child(2){display:none}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--white);border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .4s}
  .nav.open{max-height:520px}
 .nav a{padding:1rem 6vw;border-top:1px solid var(--line);border-bottom:0}
 .approach{grid-template-columns:1fr}
 .step{border-right:0;border-bottom:1px solid var(--line);padding:2rem 0}
 .step:last-child{border-bottom:0}
 .step:not(:last-child) span::after{content:" \2193"}
 .split dl div{grid-template-columns:1fr;gap:.2rem}
 .svc-list li,.svc-list li:nth-child(n){margin-left:0}
 .checks li:nth-child(even){margin-left:0}
 .p2,.p4{margin-left:0}
 .season-row{grid-template-columns:1fr}
  .footer{grid-template-columns:1fr}
  .foot-brand{grid-column:auto}
  .hero-img,.split figure{height:320px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}