/* AfterInstall Desk — HVAC B2B service look: white + navy + orange, DM Sans */
:root{--ink:#0B1F33;--navy:#0B1F33;--navy-2:#12304F;--brand:#0F4C81;--brand-d:#0B3A63;--orange:#E85D04;--orange-d:#C94F02;--muted:#5B6B7C;--steel:#8A99A8;--line:#E2E8EF;--bg:#F5F7FA;--card:#fff;--ok:#1E8E5A;--r:10px;--max:1180px;--accent:var(--orange)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"DM Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%}a{color:var(--brand)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}

/* Top utility bar + header */
.topbar{background:var(--navy);color:#C7D3DF;font-size:13.5px}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;height:38px;align-items:center}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.topbar .tb-right{display:flex;gap:18px}
header.site{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(11,31,51,.02)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;text-decoration:none;color:var(--navy);font-size:20px;letter-spacing:-.3px}
.logo .mark{width:36px;height:36px;border-radius:6px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;letter-spacing:.5px;border-bottom:3px solid var(--orange)}
.nav ul{list-style:none;display:flex;gap:26px;margin:0 0 0 auto;padding:0}
.nav ul a{text-decoration:none;color:var(--ink);font-weight:600;font-size:15px}
.nav ul a:hover{color:var(--orange)}
.menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:6px;padding:7px 12px;font:inherit;font-size:15px;font-weight:600;color:var(--ink)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--orange);color:#fff;padding:14px 24px;border-radius:6px;text-decoration:none;font-weight:700;border:2px solid var(--orange);cursor:pointer;font-size:16px;font-family:inherit;line-height:1.2;transition:background .15s,border-color .15s}
.btn:hover{background:var(--orange-d);border-color:var(--orange-d)}
.btn.alt{background:#fff;color:var(--navy);border:2px solid var(--navy)}
.btn.alt:hover{background:var(--navy);color:#fff}
.btn.navy{background:var(--navy);border-color:var(--navy)}.btn.navy:hover{background:var(--navy-2)}
.btn.sm{padding:10px 18px;font-size:14.5px}

/* Type */
section{padding:88px 0}section.tint{background:var(--bg)}
h1,h2,h3{line-height:1.12;margin:0 0 .5em;color:var(--navy);font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(34px,4.8vw,54px);letter-spacing:-.03em}
h2{font-size:clamp(28px,3.6vw,42px)}h3{font-size:20px;font-weight:700;letter-spacing:-.01em}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:13px;font-weight:800;color:var(--orange);margin-bottom:12px}
.lead{font-size:19px;color:var(--muted);max-width:720px}
.sec-head{max-width:760px;margin-bottom:36px}

/* Hero */
.hero{padding:72px 0 0;background:#fff}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.hero h1 .hl{color:var(--orange)}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 16px}
.hero small{color:var(--muted);font-size:14.5px;font-weight:500}
.hero-visual{position:relative}
.hero-img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;object-position:60% 30%}
.hero-card{background:var(--navy);color:#DCE5EE;border-radius:0 0 var(--r) var(--r);padding:22px 24px;margin-top:-6px;position:relative}
.hero-card:before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--orange)}
.hero-card h3{color:#fff;font-size:17px;margin-bottom:8px}
.hero-card .ticks li{margin:6px 0;font-size:15px}.hero-card strong{color:#fff}
.hero-card .ticks li:before{color:var(--orange)}
.hero-visual .hero-img{border-radius:var(--r) var(--r) 0 0}

/* Trust strip */
.trust{background:var(--navy);color:#fff;margin-top:72px;padding:0}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.trust .t{padding:28px 22px;border-left:1px solid rgba(255,255,255,.1);display:flex;gap:14px;align-items:flex-start}
.trust .t:first-child{border-left:0;padding-left:0}
.trust .num{font-size:26px;font-weight:800;color:#fff;line-height:1.1;letter-spacing:-.02em}
.trust .lbl{font-size:14px;color:#AFC0D0;margin-top:4px;line-height:1.4}
.trust .ico{flex:0 0 auto;color:var(--orange)}

/* Grid + 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:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:0 1px 2px rgba(11,31,51,.04)}
.card p{margin:.3em 0;color:var(--muted)}
.card.lift{transition:box-shadow .2s,transform .2s}.card.lift:hover{box-shadow:0 12px 28px rgba(11,31,51,.09);transform:translateY(-2px)}
.icon{width:48px;height:48px;border-radius:8px;background:#EAF1F8;color:var(--brand);display:grid;place-items:center;margin-bottom:18px}
.icon svg{width:24px;height:24px}
.icon.o{background:#FDEEE4;color:var(--orange)}
.ticks{list-style:none;padding:0;margin:14px 0}.ticks li{padding-left:28px;position:relative;margin:9px 0}
.ticks li:before{content:"";position:absolute;left:2px;top:.45em;width:14px;height:8px;border-left:2.5px solid var(--ok);border-bottom:2.5px solid var(--ok);transform:rotate(-45deg)}

/* Tabs */
.tabs{display:inline-flex;border:1px solid var(--line);background:#fff;border-radius:8px;padding:4px;margin:4px 0 32px;flex-wrap:wrap}
.tab{border:0;background:none;padding:11px 20px;border-radius:6px;font-weight:700;font-size:15px;cursor:pointer;color:var(--muted);font-family:inherit}
.tab[aria-selected=true]{background:var(--navy);color:#fff}
.panel[hidden]{display:none}
.svc{display:grid;grid-template-columns:1.2fr 1fr;gap:40px}
.svc>div:first-child h3{font-size:26px}

/* Steps */
.steps{counter-reset:s;display:grid;gap:0;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden}
.step{counter-increment:s;padding:28px 24px;position:relative;border-left:1px solid var(--line)}
.step:first-child{border-left:0}
.step:before{content:"0" counter(s);display:block;font-size:14px;font-weight:800;color:var(--orange);letter-spacing:.08em;margin-bottom:10px;padding-bottom:10px;border-bottom:3px solid var(--orange);width:34px}

/* Pricing */
.price{display:flex;flex-direction:column;position:relative;padding-top:32px}
.price .amt{font-size:42px;font-weight:800;margin:6px 0;color:var(--navy);letter-spacing:-.03em;line-height:1.1}
.price .amt span{font-size:15px;font-weight:500;color:var(--muted);letter-spacing:0}
.price.feat{border:2px solid var(--navy);box-shadow:0 16px 36px rgba(11,31,51,.12)}
.price.feat:before{content:"";position:absolute;left:-2px;right:-2px;top:-2px;height:6px;background:var(--orange);border-radius:var(--r) var(--r) 0 0}
.badge{position:absolute;top:18px;right:20px;background:#FDEEE4;color:var(--orange-d);font-size:12px;font-weight:800;padding:4px 10px;border-radius:4px;text-transform:uppercase;letter-spacing:.06em}
.price .btn{margin-top:auto}.price ul{margin-bottom:22px}
.note{font-size:14px;color:var(--muted);margin-top:22px}

/* FAQ */
.faq-wrap{max-width:860px}
details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px 22px;margin:10px 0}
details[open]{border-color:#C9D5E1;box-shadow:0 4px 14px rgba(11,31,51,.05)}
summary{font-weight:700;cursor:pointer;color:var(--navy);list-style:none;position:relative;padding-right:30px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:0;top:-3px;font-size:24px;font-weight:500;color:var(--orange)}
details[open] summary:after{content:"–"}
details p{color:var(--muted);margin:.7em 0 0}

/* CTA + contact */
.cta{background:var(--navy);color:#fff}.cta h2{color:#fff}.cta .lead,.cta p{color:#C2CFDB}.cta a{color:#fff}
.cta .btn{color:#fff}
.contact-box{background:var(--navy-2);border-radius:var(--r);padding:30px;border-top:4px solid var(--orange)}
.honest{border-left:4px solid var(--navy);background:var(--bg);padding:22px 26px;border-radius:0 8px 8px 0;color:var(--ink)}
.honest p{color:var(--muted);margin-bottom:0}

/* Forms */
form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-size:14px;font-weight:700;margin:12px 0 5px;color:var(--navy)}
input,select,textarea{width:100%;padding:12px 13px;border-radius:6px;border:1px solid #B8C5D2;font:inherit;font-size:16px;color:var(--ink);background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,76,129,.15)}

/* Footer */
footer{background:var(--navy);color:#9FB2C4;padding:44px 0;font-size:14px;border-top:4px solid var(--orange)}footer a{color:#fff}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot-brand{color:#fff;font-weight:800;font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.foot-brand .mark{width:28px;height:28px;border-radius:5px;background:#fff;color:var(--navy);display:grid;place-items:center;font-size:11px;font-weight:800}

/* Legal + form pages */
.legal main{padding:56px 24px 72px;max-width:860px}.legal h2{font-size:22px;margin-top:1.6em}
.legal p{color:#33475B}
.stub{background:#FFF4EC;border:1px solid #F6C9A8;padding:12px 16px;border-radius:6px}
#formMsg{margin-top:10px;font-weight:600}
.page-band{background:var(--bg);border-bottom:1px solid var(--line);padding:44px 0 36px}
.form-page main{padding:0 0 72px}
.form-page main>.wrap{padding-top:44px}
.form-card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--orange);border-radius:var(--r);padding:30px;box-shadow:0 12px 30px rgba(11,31,51,.07)}
.form-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:start}
fieldset{border:0;padding:0;margin:16px 0 0}legend{font-size:14px;font-weight:700;margin-bottom:4px;color:var(--navy)}
.choice{display:flex;gap:10px;flex-wrap:wrap}.choice label{display:flex;align-items:center;gap:8px;font-weight:500;border:1px solid var(--line);border-radius:6px;padding:10px 13px;margin:4px 0;cursor:pointer;color:var(--ink)}
.choice label:has(input:checked){border-color:var(--navy);background:#EEF3F8}
.choice input{width:auto;margin:0;accent-color:var(--orange)}
.hint{font-size:13px;color:var(--muted);font-weight:400}
.hp{position:absolute;left:-5000px}
.side .card{margin-bottom:18px}
.side .card h3{font-size:18px}
.checklist{padding-left:20px}.checklist li{margin:10px 0}.checklist li::marker{color:var(--orange);font-weight:800}
.success{background:#fff;border:1px solid var(--line);border-top:4px solid var(--ok);border-radius:var(--r);padding:24px 26px}
.devnote{font-size:13px;background:#FFF4EC;border:1px solid #F6C9A8;border-radius:6px;padding:10px 14px;margin-top:16px;color:var(--ink)}

/* Photos */
figure{margin:0}
picture img,figure img{display:block;width:100%;height:auto}
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.photo img{border-radius:var(--r);aspect-ratio:3/2;object-fit:cover}
.photo.band{margin:0 0 28px}.photo.band img{aspect-ratio:21/7;object-position:center 40%}
.card.has-photo{padding-top:0;overflow:hidden}
.card-photo{margin:0 -28px 22px}.card-photo img{aspect-ratio:16/9;object-fit:cover;border-radius:0}
.photo-divider{position:relative;padding:0;min-height:360px;display:flex;align-items:center;overflow:hidden;color:#fff}
.photo-divider picture{position:absolute;inset:0}
.photo-divider img{width:100%;height:100%;object-fit:cover;object-position:center 35%}
.photo-divider:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,31,51,.92) 0,rgba(11,31,51,.7) 45%,rgba(11,31,51,.15) 100%)}
.photo-divider .wrap{position:relative;z-index:2;width:100%;padding-top:48px;padding-bottom:48px}
.overlay-text{font-size:clamp(20px,2.6vw,28px);margin:0;max-width:620px;line-height:1.35;font-weight:500}
.overlay-text strong{display:block;font-size:14px;text-transform:uppercase;letter-spacing:.12em;color:var(--orange);margin-bottom:10px;font-weight:800}
footer .credit{font-size:12px;color:#7F94A8}footer .credit a{color:#B5C4D2}

@media(max-width:980px){.hero-grid,.svc{grid-template-columns:1fr;gap:36px}.g3,.g4{grid-template-columns:1fr 1fr}
.steps{grid-template-columns:1fr 1fr}.step:nth-child(3){border-left:0}.step:nth-child(n+3){border-top:1px solid var(--line)}
.trust .wrap{grid-template-columns:1fr 1fr}.trust .t{padding:22px 16px 22px 0;border-left:0}.trust .t:nth-child(n+3){border-top:1px solid rgba(255,255,255,.1)}
.nav ul{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px;border-bottom:1px solid var(--line);gap:14px}
.nav ul.open{display:flex}.menu-btn{display:block;margin-left:auto}.nav>.btn.sm{display:none}
.split{grid-template-columns:1fr;gap:28px}.photo.band img{aspect-ratio:16/7}.form-grid{grid-template-columns:1fr}}
@media(max-width:640px){.g2,.g3,.g4,.steps,form .row,.trust .wrap{grid-template-columns:1fr}.step{border-left:0}.step+.step{border-top:1px solid var(--line)}
.trust .t{border-top:1px solid rgba(255,255,255,.1)}.trust .t:first-child{border-top:0}
section{padding:60px 0}body{font-size:16px}.topbar .tb-left,.topbar .tb-right span{display:none}.topbar .wrap{justify-content:center}
.photo-divider{min-height:280px}.photo.band img{aspect-ratio:3/2}.hero{padding-top:44px}.trust{margin-top:48px}}