/* 10X HVAC Pros — site styles */
:root{
 --navy:#0E2749; --navy-d:#091B33; --orange:#F2610C; --orange-d:#CE4E05;
 --blue:#0B63C5; --blue-l:#2E90F0; --green:#12693F; --leak:#B3341F;
 --bg:#FFFFFF; --tint:#F4F7FB; --line:#E2E8F1; --muted:#6B7A90; --body:#3D4B60;
 --font:'Inter',system-ui,-apple-system,sans-serif;
 --mono:'JetBrains Mono',ui-monospace,monospace;
 --wrap:1180px; --r:14px;
 --shadow:0 18px 44px rgba(14,39,73,.10); --shadow-lg:0 26px 70px rgba(14,39,73,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font-family:var(--font);color:var(--body);background:var(--bg);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
.container{max-width:var(--wrap);margin:0 auto;padding:0 26px}
h1,h2,h3,h4{margin:0;color:var(--navy);font-weight:800;letter-spacing:-.022em;line-height:1.14}
h1{font-size:clamp(2.2rem,4.3vw,3.4rem);font-weight:900}
h2{font-size:clamp(1.75rem,3.1vw,2.4rem)}
h3{font-size:1.2rem;font-weight:700;letter-spacing:-.015em}
h4{font-size:1rem;font-weight:700}
p{margin:0 0 1rem}
a{color:var(--blue);text-decoration:none}
img{max-width:100%}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:14px}
.eyebrow span{color:var(--blue)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.95rem;padding:13px 22px;border-radius:10px;border:2px solid transparent;cursor:pointer;transition:.18s}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-d)}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-outline:hover{border-color:var(--navy);background:var(--tint)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--tint)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--blue-l);outline-offset:3px}

/* topbar + header */
.topbar{background:var(--navy-d);color:#A9BBD2;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;gap:16px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
.topbar b{color:#fff;font-weight:600}
.site-header{background:#fff;position:sticky;top:0;z-index:60;box-shadow:0 1px 0 var(--line)}
.nav{display:flex;align-items:center;gap:20px;height:84px}
.brand{height:46px;width:auto;display:block}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:24px}
.nav-links a{color:var(--navy);font-weight:600;font-size:.96rem}
.nav-links a:hover,.nav-links a.active{color:var(--orange)}
.nav-links a.btn{color:#fff}
.nav-links a.btn:hover{color:#fff}
.mobile-toggle{display:none;margin-left:auto;background:#fff;border:2px solid var(--line);border-radius:10px;font-size:1.15rem;padding:7px 13px;cursor:pointer;color:var(--navy)}
@media(max-width:1040px){
 .mobile-toggle{display:block}
 .nav-links{position:absolute;top:84px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:6px 26px 18px;display:none;box-shadow:var(--shadow)}
 .nav-links.open{display:flex}
 .nav-links a{padding:14px 0;border-bottom:1px solid var(--line)}
 .nav-links a.btn{margin-top:14px;justify-content:center;border-bottom:0}
}

/* hero (home) */
.hero{background:linear-gradient(180deg,#F7FAFE 0%,#FFFFFF 100%);padding:76px 0 118px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1 span{color:var(--orange)}
.hero-copy p.lede{font-size:1.16rem;max-width:33rem;margin:20px 0 30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.trust-row{display:flex;gap:34px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--line)}
.trust-item{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--navy);font-size:.95rem;line-height:1.35}
.trust-icon{width:42px;height:42px;flex:0 0 42px;border-radius:11px;background:#EAF2FD;color:var(--blue);display:grid;place-items:center;font-size:1.05rem;font-weight:800}
@media(max-width:920px){.hero-grid{grid-template-columns:1fr;gap:44px}.hero{padding-bottom:104px}}

/* page hero (inner pages) */
.page-hero{background:linear-gradient(150deg,var(--navy) 0%,#143A69 70%,var(--blue) 150%);color:#C9DCF2;padding:70px 0 76px}
.page-hero h1{color:#fff;max-width:22ch}
.page-hero .eyebrow{color:#FF9C57}
.page-hero p{font-size:1.12rem;max-width:46rem;margin-top:16px}

/* job ticket */
.ticket{background:#fff;border-radius:var(--r);box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid var(--line)}
.ticket .th{background:var(--navy);color:#fff;padding:15px 20px;display:flex;justify-content:space-between;align-items:baseline}
.ticket .th span{font-family:var(--mono);font-size:.74rem;letter-spacing:.11em;text-transform:uppercase}
.ticket .th .live{color:#7FB2F5}
.line{display:flex;justify-content:space-between;gap:16px;padding:12px 20px;border-bottom:1px solid var(--line);font-size:.97rem}
.line .v{font-family:var(--mono);font-weight:600;color:var(--navy);font-variant-numeric:tabular-nums}
.line.sub{background:var(--tint)}
.line.leak{background:#FDF3F0}
.line.leak .v{color:var(--leak)}
.line.leak span:first-child{color:var(--leak);font-weight:500}
.line.total{border-bottom:0;padding:18px 20px;align-items:baseline;background:var(--tint)}
.line.total .lbl{font-weight:800;color:var(--navy);font-size:1.08rem}
.line.total .v{font-size:1.55rem;color:var(--leak)}
.bar-wrap{padding:0 20px 20px;background:var(--tint)}
.bar-track{height:10px;background:#E7ECF3;border-radius:99px;overflow:hidden}
.bar-fill{height:100%;width:8%;background:var(--leak);border-radius:99px}
.bar-note{font-family:var(--mono);font-size:.72rem;color:var(--muted);margin-top:9px}

/* floating stats */
.stats{margin-top:-72px;position:relative;z-index:5}
.stats-card{background:#fff;border-radius:var(--r);box-shadow:var(--shadow-lg);border:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);padding:10px 0}
.stat{display:flex;align-items:center;gap:14px;padding:22px 26px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat-badge{width:46px;height:46px;flex:0 0 46px;border-radius:12px;background:linear-gradient(135deg,var(--orange),#FF8A3D);color:#fff;display:grid;place-items:center;font-weight:800;font-size:.72rem;font-family:var(--mono);letter-spacing:.04em}
.stat strong{display:block;color:var(--navy);font-size:1.62rem;font-weight:800;line-height:1.05;letter-spacing:-.02em}
.stat small{display:block;color:var(--muted);font-size:.79rem;line-height:1.4;margin-top:4px}
@media(max-width:980px){.stats-card{grid-template-columns:1fr 1fr}.stat{border-left:0;border-top:1px solid var(--line)}.stat:nth-child(-n+2){border-top:0}}
@media(max-width:560px){.stats-card{grid-template-columns:1fr}.stat{border-top:1px solid var(--line)}.stat:first-child{border-top:0}}

/* sections */
.section{padding:88px 0}
.section.tint{background:var(--tint)}
.section-heading{max-width:44rem;margin:0 auto 48px;text-align:center}
.section-heading p{font-size:1.06rem;margin-top:14px}
.section-heading.left{text-align:left;margin-left:0}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cards.two{grid-template-columns:repeat(2,1fr)}
.card[id]{scroll-margin-top:110px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 28px;box-shadow:0 2px 10px rgba(14,39,73,.04);transition:.2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.card .ico{width:52px;height:52px;border-radius:13px;background:#EAF2FD;display:grid;place-items:center;margin-bottom:18px}
.card .ico svg{width:26px;height:26px;stroke:var(--blue);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin-bottom:10px}
.card p{font-size:.98rem;margin-bottom:16px}
.card ul{margin:0 0 18px;padding-left:18px;font-size:.93rem;color:var(--muted)}
.card li{margin-bottom:6px}
.card .price{font-family:var(--mono);font-size:.82rem;color:var(--muted);display:block;margin-bottom:14px;letter-spacing:.03em}
.learn{font-weight:700;font-size:.93rem;color:var(--orange)}
.learn:hover{color:var(--orange-d)}
@media(max-width:980px){.cards,.cards.two{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.cards,.cards.two{grid-template-columns:1fr}}

/* process */
.process{background:var(--navy);color:#B9C9DE}
.process h2,.process h3{color:#fff}
.process .eyebrow{color:#FF9C57}
.process .section-heading p{color:#B9C9DE}
.process-row{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.step{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:28px 24px}
.step-icon{width:46px;height:46px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-weight:800;font-family:var(--mono);font-size:.95rem;margin-bottom:16px}
.step h3{margin-bottom:8px;font-size:1.12rem}
.step p{font-size:.95rem;margin:0}
.step .when{display:block;margin-top:14px;font-family:var(--mono);font-size:.73rem;letter-spacing:.08em;color:#7E93AE;text-transform:uppercase}
@media(max-width:980px){.process-row{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.process-row{grid-template-columns:1fr}}

/* results / fit */
.results-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px;box-shadow:var(--shadow)}
.quote-card blockquote{margin:0;font-size:1.26rem;line-height:1.5;color:var(--navy);font-weight:600}
.person{display:flex;align-items:center;gap:14px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.avatar{width:50px;height:50px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800}
.person strong{color:var(--navy)}
.person small{color:var(--muted)}
.fit-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;box-shadow:0 2px 10px rgba(14,39,73,.04)}
.fit-card h4{margin-bottom:14px;display:flex;align-items:center;gap:9px}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block}
.dot.g{background:var(--green)}.dot.r{background:var(--leak)}
.fit-card ul{margin:0;padding-left:20px;font-size:.96rem}
.fit-card li{margin-bottom:9px}
.fit-card+.fit-card{margin-top:24px}
@media(max-width:900px){.results-grid{grid-template-columns:1fr}}

/* content grid + feature list */
.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
@media(max-width:920px){.content-grid{grid-template-columns:1fr;gap:34px}}
.feature-list{display:grid;gap:18px;margin-top:22px}
.feature{background:#fff;border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:12px;padding:20px 22px;font-size:.97rem}
.feature strong{display:block;color:var(--navy);margin-bottom:5px;font-size:1.03rem}
.checklist{background:var(--tint);border:1px solid var(--line);border-radius:var(--r);padding:30px}
.checklist ul{list-style:none;margin:16px 0 0;padding:0;font-size:.97rem}
.checklist li{display:flex;gap:11px;margin-bottom:11px}
.checklist li::before{content:"\2713";color:var(--green);font-weight:800;flex:0 0 auto}

/* pattern rows (case studies) */
.pattern{display:grid;grid-template-columns:56px 1fr;gap:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;margin-bottom:20px;box-shadow:0 2px 10px rgba(14,39,73,.04)}
.pattern .n{width:46px;height:46px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--mono);font-weight:700;font-size:.9rem}
.pattern h3{margin-bottom:8px}
.pattern dl{margin:14px 0 0;display:grid;grid-template-columns:130px 1fr;gap:8px 18px;font-size:.96rem}
.pattern dt{font-weight:700;color:var(--navy)}
.pattern dd{margin:0}
@media(max-width:700px){.pattern{grid-template-columns:1fr}.pattern dl{grid-template-columns:1fr;gap:2px 0}.pattern dt{margin-top:10px}}

/* notice */
.notice{background:#FFF6EE;border:1px solid #FBD8BC;border-left:4px solid var(--orange);border-radius:12px;padding:22px 24px;font-size:.97rem;margin-bottom:34px}
.notice strong{color:var(--navy)}

/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 24px;margin-bottom:14px}
details[open]{box-shadow:var(--shadow)}
summary{font-weight:700;color:var(--navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:18px;font-size:1.04rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--orange);font-size:1.4rem;line-height:1;font-weight:600}
details[open] summary::after{content:"\2013"}
details p{margin:14px 0 0;font-size:.98rem}

/* form */
.form{display:grid;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px;box-shadow:var(--shadow)}
.form input,.form select,.form textarea{font-family:var(--font);font-size:1rem;padding:13px 15px;border-radius:10px;border:1.5px solid var(--line);background:#fff;color:var(--body);width:100%}
.form textarea{min-height:130px;resize:vertical}
.form button{justify-content:center}
.form .hint{font-size:.86rem;color:var(--muted);margin:0}
.check-group{border:1.5px solid var(--line);border-radius:10px;padding:16px 18px 14px;margin:0;min-width:0}
.check-group legend{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:0 6px;margin-left:-6px}
.check{display:flex;gap:11px;align-items:flex-start;padding:7px 0;cursor:pointer;font-size:.94rem;line-height:1.5}
.check input{width:18px;height:18px;flex:none;margin:3px 0 0;accent-color:var(--orange);cursor:pointer}
.check:hover span{color:var(--navy)}
.check-all{margin-top:8px;padding-top:12px;border-top:1px solid var(--line);font-weight:700;color:var(--navy)}
.form .invalid{border-color:var(--leak)}
.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:start}
@media(max-width:920px){.contact-grid{grid-template-columns:1fr;gap:34px}}
.contact-lines{list-style:none;margin:22px 0 0;padding:0}
.contact-lines li{display:flex;gap:12px;margin-bottom:14px;font-size:.98rem}
.contact-lines .lbl{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);min-width:76px;padding-top:3px}

/* cta */
.cta{background:linear-gradient(120deg,var(--navy) 0%,#143A69 60%,var(--blue) 140%);color:#fff;padding:70px 0}
.cta .container{display:flex;justify-content:space-between;align-items:center;gap:34px;flex-wrap:wrap}
.cta h2{color:#fff;margin-bottom:8px}
.cta .sub{color:#BDD3EC;max-width:40rem}

/* footer */
.footer{background:var(--navy-d);color:#93A7C0;padding:62px 0 28px}
.footer .brand{background:#fff;padding:9px 13px;border-radius:10px;height:52px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:38px}
.footer p{font-size:.95rem;margin-top:18px;max-width:26rem}
.footer h4{color:#fff;margin-bottom:16px}
.footer ul{list-style:none;margin:0;padding:0;font-size:.95rem}
.footer li{margin-bottom:10px}
.footer a{color:#C6D6E8}
.footer a:hover{color:var(--orange)}
.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr}}