:root{--navy:#1B365D;--navy-d:#0F2440;--red:#E31B23;--red-d:#b9141b;--char:#2e3338;--bg:#fff;--alt:#f1f4f8;--muted:#4b5563;--line:#d9e0e8}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font:1rem/1.6 "Helvetica Neue",Arial,system-ui,sans-serif;color:var(--char);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1100px;margin:0 auto;padding:0 1.1rem}
.narrow{max-width:720px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:0;background:#000;color:#fff;padding:.6rem 1rem;z-index:50}
.skip:focus{left:0}
a{color:var(--navy)}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.ic{width:1.25em;height:1.25em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.site-header{position:sticky;top:0;z-index:30}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.5rem;padding-bottom:.5rem}
.brand{text-decoration:none}
nav ul{display:none;list-style:none;margin:0;padding:0;gap:1.2rem}
nav a{text-decoration:none;font-weight:600;font-size:.95rem}
nav a:hover{text-decoration:underline}
@media(min-width:900px){nav ul{display:flex}}
.btn{display:inline-flex;align-items:center;gap:.5rem;justify-content:center;background:var(--red);color:#fff;font-weight:800;letter-spacing:.03em;text-transform:uppercase;border:0;border-radius:6px;padding:.9rem 1.6rem;text-decoration:none;font-size:1rem;cursor:pointer}
.btn:hover{background:var(--red-d)}
.btn-small{padding:.55rem 1rem;font-size:.85rem}
.logo{display:inline-flex;flex-direction:column;line-height:1;color:var(--navy);font-family:"Arial Black","Helvetica Neue",Arial,sans-serif;font-style:italic}
.logo-top{display:flex;align-items:center;gap:.25rem}
.logo-lines{display:flex;flex-direction:column;gap:4px;width:22px}
.logo-lines i{display:block;height:4px;background:var(--navy);clip-path:polygon(0 50%,100% 0,100% 100%)}
.logo-lines i:nth-child(2){width:80%;margin-left:20%}
.logo-hvac{font-size:2.7rem;font-weight:900;letter-spacing:-.02em;display:flex;align-items:center}
.logo-c{display:inline-flex;align-items:center}
.logo-c svg{width:.75em;height:.75em;margin-left:-.5em;margin-top:-.45em}
.logo-sub{font-size:1rem;letter-spacing:.06em;margin-top:2px;text-align:right}
.logo-sub b{color:var(--navy);font-weight:900}.logo-sub em{color:var(--red);font-weight:900}
.checks{list-style:none;margin:1rem 0;padding:0}
.checks li{display:flex;gap:.7rem;align-items:flex-start;padding:.45rem 0;font-weight:600}
.checks .chk{color:var(--red);stroke-width:3.2;margin-top:.15rem}
.fine{font-size:.85rem;color:var(--muted)}
.hp{position:absolute;left:-9999px}
form label{display:block;font-weight:700;margin-bottom:.25rem}
input,textarea{width:100%;font:inherit;padding:.75rem;border:1px solid #7b8896;border-radius:6px;background:#fff;color:#111}
details{border:1px solid var(--line);border-radius:8px;padding:.8rem 1rem;margin-bottom:.6rem;background:#fff}
summary{cursor:pointer;font-weight:700;color:var(--navy)}
details p{margin:.5rem 0 0}
section{padding:3rem 0}
section.alt{background:var(--alt)}
h2{margin:0 0 .5rem;line-height:1.1}
h3{margin:0 0 .3rem}
.foot{display:grid;gap:1rem;padding-top:1.6rem;padding-bottom:1rem}
.f-item{display:flex;gap:.8rem;align-items:flex-start;margin:0}
.f-item .ic{width:2rem;height:2rem;padding:.4rem;border-radius:50%;background:var(--red);stroke:#fff;box-sizing:content-box;width:1.1rem;height:1.1rem}
footer a{color:#fff}
.legal{font-size:.82rem;opacity:.85;padding-bottom:1.5rem}
.legal p{margin:.2rem 0}
@media(min-width:800px){.foot{grid-template-columns:repeat(3,1fr)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.site-header{background:#fff;border-bottom:1px solid var(--line)}
.tel{display:none;align-items:center;gap:.4rem;font-weight:800;text-decoration:none;color:var(--navy)}
@media(min-width:1000px){.tel{display:inline-flex}}
.hero{background:linear-gradient(180deg,#fff,var(--alt));padding:2rem 0 2.5rem}
.hero-grid{display:grid;gap:1.5rem}
h1{font-family:"Arial Black","Helvetica Neue",Arial,sans-serif;font-weight:900;font-size:clamp(2.3rem,9vw,4.1rem);line-height:1;margin:0 0 1rem;color:var(--navy);letter-spacing:-.01em}
.red{color:var(--red)}.navy{color:var(--navy)}.char{color:var(--char)}
.tags{display:flex;flex-wrap:wrap;gap:.5rem .6rem;align-items:center;font-weight:800;text-transform:uppercase;font-size:.9rem;letter-spacing:.04em;margin:0 0 1rem;color:#111}
.tags i{width:8px;height:8px;background:var(--red);display:inline-block}
.lead{font-size:1.15rem;max-width:34rem;margin:0 0 1.4rem}
.cta-block{display:grid;gap:.8rem;max-width:30rem}
.cta-main{display:flex;align-items:center;gap:.8rem;background:var(--navy);color:#fff;text-decoration:none;border-radius:10px;padding:1rem 1.3rem;font-weight:900;font-size:1.6rem;letter-spacing:.02em}
.cta-main:hover{background:var(--navy-d)}
.cta-main .big{width:2rem;height:2rem}
.cta-call{display:flex;align-items:center;gap:.8rem;text-decoration:none;color:var(--navy);border:2px solid var(--navy);border-radius:10px;padding:.7rem 1.1rem}
.cta-call .big{width:1.8rem;height:1.8rem;color:var(--red)}
.cta-call strong{display:block;font-size:1.35rem}
.cta-call small{display:block;color:var(--muted);font-weight:600}
.hero-photo{position:relative}
.hero-photo img{width:100%;border-radius:12px;object-fit:cover;max-height:520px;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.badge{position:absolute;left:.8rem;bottom:.8rem;display:flex;gap:.6rem;align-items:center;background:#0b0b0b;color:#fff;border:2px solid #3b8cff;box-shadow:0 0 14px rgba(59,140,255,.7);border-radius:14px;padding:.6rem .9rem;font-weight:800;font-size:.85rem;line-height:1.2;letter-spacing:.03em}
.badge .ic{width:1.8rem;height:1.8rem;color:#3b8cff}
@media(min-width:880px){.hero-grid{grid-template-columns:1.1fr 1fr;align-items:center;gap:2.5rem}.hero{padding:3rem 0}}
.pillars{padding:2rem 0}
.four{list-style:none;margin:0;padding:0;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));text-align:center}
.circ{display:inline-grid;place-items:center;width:4.2rem;height:4.2rem;border-radius:50%;color:#fff;margin-bottom:.6rem}
.circ .ic{width:1.9rem;height:1.9rem}
.circ.r{background:var(--red)}.circ.n{background:var(--navy)}
.four h3{text-transform:uppercase;color:var(--navy);font-size:1.05rem;letter-spacing:.02em}
.four p{margin:0;color:var(--muted)}
.learn{background:var(--alt)}
.split{display:grid;gap:2rem;align-items:center}
@media(min-width:880px){.split{grid-template-columns:1.1fr 1fr}}
h2{font-family:"Arial Black","Helvetica Neue",Arial,sans-serif;font-size:clamp(1.6rem,5vw,2.4rem);color:var(--navy)}
.sub{color:var(--muted);margin:0 0 1.2rem}
.photo2 img{border-radius:12px;width:100%;box-shadow:0 8px 24px rgba(0,0,0,.15)}
.iconbar{padding:0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.iconbar ul{list-style:none;margin:0;padding:1rem 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}
.iconbar li{display:flex;align-items:center;gap:.7rem;color:var(--navy)}
.iconbar .ic{width:2rem;height:2rem}
.iconbar span{font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;line-height:1.25}
.iconbar b{display:block;font-size:1rem}
.cards{list-style:none;margin:0;padding:0;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.cards li{border:1px solid var(--line);border-top:4px solid var(--red);border-radius:8px;padding:1.1rem;background:#fff}
.cards h3{color:var(--navy)}.cards p{margin:0}
.steps{counter-reset:s;list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:1rem}
.steps li{counter-increment:s;position:relative;padding:.1rem 0 .1rem 3.4rem}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:2.4rem;height:2.4rem;border-radius:50%;background:var(--red);color:#fff;font-weight:800;display:grid;place-items:center}
.steps h3{color:var(--navy)}.steps p{margin:0}
.cta{background:var(--alt)}
.foot-a{background:var(--char);color:#fff}
.msg{padding:4rem 0 5rem;background:linear-gradient(180deg,#fff,var(--alt));min-height:55vh}
.msg h1{font-size:clamp(2rem,8vw,3.4rem)}