/* Serene Comfort Heating, Cooling & Refrigeration — redesign concept */
:root{
  --ink:#0d1f2d; --ink-2:#1b3346; --body:#3c4b58; --muted:#6b7a87;
  --line:#e3e8ee; --bg:#ffffff; --bg-soft:#f4f7fa; --bg-warm:#fbf6f1;
  --blue:#1784c7; --blue-d:#0f6aa3; --blue-l:#e6f3fb;
  --ember:#e5622a; --ember-d:#c94f1c; --ember-l:#fdeee6;
  --leaf:#5fa83a; --sun:#f2b524;
  --radius:18px; --radius-sm:12px;
  --shadow:0 1px 2px rgba(13,31,45,.06),0 8px 24px rgba(13,31,45,.08);
  --shadow-lg:0 2px 4px rgba(13,31,45,.06),0 24px 48px rgba(13,31,45,.14);
  --wrap:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--body);background:var(--bg);line-height:1.6;font-size:16.5px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue-d);text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.15;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2.3rem,5vw,3.75rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
h3{font-size:1.25rem;font-weight:700;letter-spacing:-.01em}
p+p{margin-top:1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section.soft{background:var(--bg-soft)}
.section.warm{background:var(--bg-warm)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-d);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--sun),var(--ember),var(--leaf),var(--blue))}
.lead{font-size:1.15rem;color:var(--body);max-width:640px}
.center{text-align:center}.center .lead{margin:0 auto}
.head{margin-bottom:48px}
.head.center .eyebrow{justify-content:center}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1rem;padding:15px 24px;border-radius:999px;transition:.2s;border:2px solid transparent;cursor:pointer;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--ember);color:#fff;box-shadow:0 8px 20px rgba(229,98,42,.32)}
.btn-primary:hover{background:var(--ember-d);transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--blue);color:var(--blue-d)}

/* top bar + header */
.topbar{background:var(--ink);color:#c9d6e2;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:9px;padding-bottom:9px}
.topbar a{color:#fff;font-weight:600}
.topbar .live{display:inline-flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:#3ddc84;box-shadow:0 0 0 4px rgba(61,220,132,.2);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(61,220,132,0)}}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:82px;gap:24px}
.brand img{height:54px;width:auto}
nav.main{display:flex;align-items:center;gap:4px}
nav.main a{color:var(--ink);font-weight:600;font-size:.95rem;padding:10px 14px;border-radius:10px}
nav.main a:hover,nav.main a.active{background:var(--bg-soft);color:var(--blue-d)}
.head-cta{display:flex;align-items:center;gap:14px}
.phone-link{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:1.05rem}
.phone-link small{display:block;font-size:.7rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;line-height:1}
.phone-ico{width:40px;height:40px;border-radius:50%;background:var(--ember-l);color:var(--ember);display:grid;place-items:center}
.phone-ico svg{width:18px;height:18px}
.menu-btn{display:none;background:none;border:0;width:44px;height:44px;border-radius:10px;color:var(--ink)}
.menu-btn svg{width:26px;height:26px}

/* hero */
.hero{position:relative;background:radial-gradient(1200px 600px at 85% -10%,#1f5a85 0%,transparent 60%),linear-gradient(160deg,#0d1f2d 0%,#12324a 60%,#0d1f2d 100%);color:#d6e2ec;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:linear-gradient(90deg,var(--sun),var(--ember) 30%,var(--leaf) 60%,var(--blue))}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;padding-top:88px;padding-bottom:104px}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#ffb38a,#ffd36b);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:#c3d3e0;margin:22px 0 32px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px}
.badges{display:flex;flex-wrap:wrap;gap:22px;margin-top:40px;padding-top:28px;border-top:1px solid rgba(255,255,255,.12)}
.badge{display:flex;align-items:center;gap:12px;font-size:.9rem;color:#c3d3e0}
.badge strong{display:block;color:#fff;font-size:1.05rem}
.badge .bi{width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#ffd36b}
.badge .bi svg{width:20px;height:20px}
.hero-art{position:relative;height:500px}
.hero-art .ph{position:absolute;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg);border:5px solid rgba(255,255,255,.95)}
.hero-art .ph img{width:100%;height:100%;object-fit:cover}
.hero-art .p1{width:320px;height:410px;right:10px;top:0}
.hero-art .p2{width:220px;height:270px;left:0;bottom:0}
.float-card{position:absolute;background:#fff;color:var(--ink);border-radius:16px;padding:14px 18px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px;font-size:.88rem}
.float-card strong{display:block;font-size:1.1rem}
.float-card.fc1{left:24px;top:40px}
.float-card.fc2{right:-6px;bottom:30px}
.stars{color:var(--sun);letter-spacing:2px}

/* seasons strip */
.seasons{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:-1px;background:#fff;border-bottom:1px solid var(--line)}
.season{padding:26px 24px;display:flex;gap:14px;align-items:flex-start;border-right:1px solid var(--line)}
.season:last-child{border-right:0}
.season .si{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center}
.season .si svg{width:22px;height:22px}
.season h4{font-size:1rem;margin-bottom:2px}
.season p{font-size:.9rem;color:var(--muted);line-height:1.45}
.s-sun .si{background:#fff6dc;color:#c48b00}.s-leaf .si{background:var(--ember-l);color:var(--ember)}
.s-snow .si{background:var(--blue-l);color:var(--blue)}.s-bloom .si{background:#ecf6e5;color:var(--leaf)}

/* cards */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.25s;position:relative}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:transparent}
.card .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:20px;background:var(--blue-l);color:var(--blue)}
.card .ic svg{width:26px;height:26px}
.card.warm .ic{background:var(--ember-l);color:var(--ember)}
.card.green .ic{background:#ecf6e5;color:var(--leaf)}
.card h3{margin-bottom:10px}
.card p{font-size:.97rem}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-weight:700;font-size:.92rem}
.card ul.ticks{margin-top:14px}
ul.ticks{list-style:none}
ul.ticks li{position:relative;padding-left:28px;margin:8px 0;font-size:.97rem}
ul.ticks li::before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;background:var(--blue-l) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231784c7' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/11px no-repeat}
.img-card{padding:0;overflow:hidden}
.img-card .thumb{height:200px;overflow:hidden;background:var(--bg-soft)}
.img-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.img-card:hover .thumb img{transform:scale(1.05)}
.img-card .body{padding:26px}
.img-card .thumb.contain img{object-fit:contain;padding:18px}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.rev .media{order:2}
.media{position:relative}
.media .frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.media .frame img{width:100%;height:100%;object-fit:cover}
.media .stat{position:absolute;right:-18px;bottom:-22px;background:var(--ember);color:#fff;padding:20px 24px;border-radius:16px;box-shadow:var(--shadow-lg)}
.media .stat strong{display:block;font-size:2rem;line-height:1;font-weight:800}
.media .stat span{font-size:.85rem;opacity:.9}

/* values */
.values{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:600;font-size:.88rem;color:var(--ink)}

/* process */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding:28px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}
.step::before{counter-increment:s;content:"0" counter(s);font-weight:800;font-size:.85rem;color:var(--ember);letter-spacing:.1em;display:block;margin-bottom:12px}
.step h3{font-size:1.1rem;margin-bottom:6px}
.step p{font-size:.93rem}

/* dark band */
.band{position:relative;color:#d6e2ec;overflow:hidden;background:var(--ink)}
.band .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22}
.band::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(13,31,45,.97) 30%,rgba(13,31,45,.7))}
.band .wrap{position:relative}
.band h2,.band h3{color:#fff}
.band .eyebrow{color:#7fc4ef}
.band .lead{color:#c3d3e0}
.band .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1)}
.band .card p{color:#b5c6d4}
.band .card .ic{background:rgba(23,132,199,.18);color:#7fc4ef}
.band .card:hover{background:rgba(255,255,255,.08)}

/* reviews */
.review{background:#fff;border-radius:var(--radius);padding:30px;border:1px solid var(--line);display:flex;flex-direction:column}
.review blockquote{font-size:1rem;color:var(--ink-2);flex:1;margin:12px 0 20px}
.review .who{display:flex;align-items:center;gap:12px;font-size:.9rem}
.review .av{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:var(--blue)}
.review .who strong{display:block;color:var(--ink)}
.review .who span{color:var(--muted)}
.rating-bar{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:40px;padding:18px 26px;background:#fff;border:1px solid var(--line);border-radius:999px;width:fit-content;margin-left:auto;margin-right:auto;font-weight:600;color:var(--ink)}
.rating-bar .big{font-size:1.6rem;font-weight:800}

/* brands */
.brands{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 12px}
.brands span{padding:12px 20px;border-radius:12px;background:#fff;border:1px solid var(--line);font-weight:700;color:#44525e;font-size:.95rem;letter-spacing:.01em}

/* checklist */
.checklist{counter-reset:c;list-style:none}
.checklist li{counter-increment:c;display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.checklist li:last-child{border-bottom:0}
.checklist li::before{content:counter(c);flex:none;width:32px;height:32px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;display:grid;place-items:center;font-size:.9rem}
.checklist strong{color:var(--ink);display:block}

/* coupons */
.coupon{position:relative;background:#fff;border:2px dashed #f2b89c;border-radius:22px;padding:34px;overflow:hidden}
.coupon .amt{font-size:3.2rem;font-weight:800;color:var(--ember);line-height:1;letter-spacing:-.03em}
.coupon .tag{position:absolute;top:22px;right:22px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;background:var(--ember-l);color:var(--ember-d);padding:6px 12px;border-radius:999px}
.coupon h3{margin:14px 0 8px;font-size:1.35rem}
.coupon .fine{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:.82rem;color:var(--muted)}
.coupon.blue{border-color:#9fcdef}.coupon.blue .amt{color:var(--blue)}.coupon.blue .tag{background:var(--blue-l);color:var(--blue-d)}
.coupon.green{border-color:#b9dca6}.coupon.green .amt{color:var(--leaf)}.coupon.green .tag{background:#ecf6e5;color:#3f7d22}

/* faq */
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;transition:.2s}
.faq details[open]{box-shadow:var(--shadow)}
.faq summary{cursor:pointer;list-style:none;padding:20px 24px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--blue)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 24px 22px}

/* cta band */
.cta{background:linear-gradient(120deg,var(--ember) 0%,#d9481a 100%);color:#fff;border-radius:28px;padding:56px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:rgba(255,255,255,.08);right:-120px;top:-160px}
.cta h2{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem)}
.cta p{opacity:.92;margin-top:8px}
.cta .btn-white{background:#fff;color:var(--ember-d);position:relative;z-index:1}
.cta .btn-white:hover{transform:translateY(-1px)}

/* page hero */
.page-hero{background:linear-gradient(160deg,#0d1f2d,#14395a);color:#c3d3e0;padding:76px 0 70px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(90deg,var(--sun),var(--ember) 30%,var(--leaf) 60%,var(--blue))}
.page-hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16}
.page-hero .wrap{position:relative}
.page-hero h1{color:#fff;font-size:clamp(2rem,4.4vw,3.2rem);max-width:820px}
.page-hero p{max-width:640px;margin-top:16px;font-size:1.12rem}
.crumbs{font-size:.85rem;margin-bottom:16px;color:#8fb0c8}
.crumbs a{color:#bcd5e8}

/* areas */
.county{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.county h3{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.county h3 span{font-size:.75rem;font-weight:700;background:var(--blue-l);color:var(--blue-d);padding:4px 10px;border-radius:999px}
.towns{display:flex;flex-wrap:wrap;gap:6px}
.towns span{font-size:.85rem;padding:5px 10px;border-radius:8px;background:var(--bg-soft);color:var(--ink-2)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:start}
.form{background:#fff;border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:var(--shadow)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:block;font-size:.85rem;font-weight:600;color:var(--ink);margin:16px 0 6px}
.form input,.form select,.form textarea{width:100%;font:inherit;padding:13px 14px;border:1px solid #d3dbe3;border-radius:12px;background:#fbfcfd;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-l);background:#fff}
.form textarea{min-height:120px;resize:vertical}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg label{margin:0;flex:1;min-width:120px}
.seg input{display:none}
.seg span{display:block;text-align:center;padding:12px;border:1px solid #d3dbe3;border-radius:12px;font-weight:600;cursor:pointer;font-size:.92rem}
.seg input:checked+span{border-color:var(--blue);background:var(--blue-l);color:var(--blue-d)}
.info-card{background:var(--ink);color:#c3d3e0;border-radius:22px;padding:34px}
.info-card h3{color:#fff;margin-bottom:6px}
.info-row{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.info-row:last-child{border-bottom:0}
.info-row .ii{flex:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#ffd36b}
.info-row .ii svg{width:20px;height:20px}
.info-row strong{color:#fff;display:block}
.info-row a{color:#fff}
.map{border-radius:22px;overflow:hidden;border:1px solid var(--line);height:360px;margin-top:32px}
.map iframe{width:100%;height:100%;border:0}
.note{font-size:.82rem;color:var(--muted);margin-top:14px}

/* footer */
footer.site{background:#0a1823;color:#9fb2c2;padding:72px 0 0;font-size:.95rem}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
footer.site h4{color:#fff;font-size:.95rem;margin-bottom:16px}
footer.site a{color:#c9d6e2}
footer.site a:hover{color:#fff}
footer.site ul{list-style:none}
footer.site li{margin:8px 0}
.f-logo{background:#fff;border-radius:14px;padding:12px 16px;display:inline-block;margin-bottom:18px}
.f-logo img{height:48px}
.f-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem}

/* sticky mobile call */
.mobile-call{display:none}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media (max-width:1080px){
  nav.main a{padding:10px 10px;font-size:.9rem}
  .phone-link .txt{display:none}
  .g4,.steps{grid-template-columns:repeat(2,1fr)}
  .seasons{grid-template-columns:repeat(2,1fr)}
  .season:nth-child(2){border-right:0}
  .season:nth-child(-n+2){border-bottom:1px solid var(--line)}
  footer.site .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .menu-btn{display:grid;place-items:center}
  nav.main{position:fixed;top:82px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);transform:translateY(-120%);transition:.3s;z-index:-1}
  nav.main.open{transform:none}
  nav.main a{padding:14px 12px;font-size:1rem}
  .head-cta .btn{display:none}
  .hero .wrap,.split,.contact-grid{grid-template-columns:1fr}
  .hero .wrap{padding-top:56px;padding-bottom:72px;gap:40px}
  .hero-art{height:420px;max-width:460px;margin:0 auto;width:100%}
  .split.rev .media{order:0}
  .g3{grid-template-columns:1fr 1fr}
  .section{padding:72px 0}
}
@media (max-width:640px){
  body{font-size:16px}
  .topbar .hide-sm{display:none}
  header.site .wrap{height:70px}
  nav.main{top:70px}
  .brand img{height:44px}
  .phone-ico{width:38px;height:38px}
  .g2,.g3,.g4,.steps,.seasons{grid-template-columns:1fr}
  .season{border-right:0;border-bottom:1px solid var(--line)}
  .hero-art{height:360px}
  .hero-art .p1{width:240px;height:310px}
  .hero-art .p2{width:170px;height:210px}
  .float-card.fc1{left:0;top:10px}
  .float-card.fc2{right:0;bottom:0}
  .cta{padding:36px 26px}
  .form{padding:24px}.form .row{grid-template-columns:1fr}
  .media .stat{right:10px}
  footer.site .cols{grid-template-columns:1fr}
  .mobile-call{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:60;gap:10px}
  .mobile-call a{flex:1;justify-content:center;box-shadow:var(--shadow-lg)}
  .mobile-call .btn-outline{flex:0 0 auto}
  footer.site{padding-bottom:80px}
  .rating-bar{border-radius:20px}
}
a.card{color:var(--body);display:block}
a.card h3{color:var(--ink)}
.card .more{color:var(--blue-d)}
.card .more svg,.btn svg{width:18px;height:18px;flex:none}
.brand img{height:60px}
@media (max-width:640px){.brand img{height:46px}}
.review .who span.av{color:#fff}
@media (max-width:900px){
  nav.main{transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;z-index:40;transition:.25s}
  nav.main.open{transform:none;opacity:1;visibility:visible;pointer-events:auto}
  .media .frame{height:320px!important}
}
@media (max-width:640px){
  .badges{gap:16px}
  .badge{flex:1 1 40%}
  .hero .ctas .btn{width:100%;justify-content:center}
}
.phone-link{white-space:nowrap}
.coupon .tag{position:static;display:inline-block;margin-bottom:16px}
@media (max-width:1180px) and (min-width:901px){.head-cta .btn{display:none}}