/* ==========================================================================
   HVAC Service NJ — Master Stylesheet
   Brand palette derived from logo: deep navy, royal blue, red, white.
   ========================================================================== */

:root{
  --navy:#001e4a;
  --navy-700:#002a63;
  --blue:#004187;
  --blue-500:#0a5bb5;
  --blue-400:#1f7ae0;
  --red:#d6202a;
  --red-600:#b61922;
  --ice:#eaf2fb;
  --ice-200:#d8e6f6;
  --ink:#16202e;
  --muted:#5a6b80;
  --line:#e2e8f1;
  --white:#ffffff;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 10px 30px rgba(0,30,74,.10);
  --shadow-lg:0 22px 55px rgba(0,30,74,.18);
  --maxw:1180px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --head:'Montserrat',var(--font);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  line-height:1.65;
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none;transition:color .15s}
a:hover{color:var(--red)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

h1,h2,h3,h4{font-family:var(--head);line-height:1.2;color:var(--navy);font-weight:800}
h1{font-size:clamp(1.9rem,4.5vw,3rem)}
h2{font-size:clamp(1.5rem,3.2vw,2.2rem);margin-bottom:.6em}
h3{font-size:clamp(1.15rem,2vw,1.4rem);margin-bottom:.5em}
p{margin-bottom:1rem}
section{padding:64px 0}
.lead{font-size:1.15rem;color:var(--muted)}

/* ---------- Top emergency bar ---------- */
.topbar{
  background:var(--red);color:#fff;font-size:.9rem;font-weight:600;
  text-align:center;padding:8px 14px;letter-spacing:.2px;
}
.topbar a{color:#fff;text-decoration:underline;font-weight:800}
.topbar .pulse{display:inline-block;width:9px;height:9px;border-radius:50%;background:#fff;margin-right:7px;
  box-shadow:0 0 0 0 rgba(255,255,255,.7);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,255,255,.6)}70%{box-shadow:0 0 0 10px rgba(255,255,255,0)}100%{box-shadow:0 0 0 0 rgba(255,255,255,0)}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);box-shadow:0 2px 14px rgba(0,30,74,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:2px 20px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:92px;width:auto;max-width:100%;object-fit:contain;display:block}
.brand .bname{font-family:var(--head);font-weight:800;color:var(--navy);font-size:1.15rem;line-height:1.05}
.brand .bname span{color:var(--red)}
.brand .btag{font-size:.72rem;color:var(--muted);font-weight:600;letter-spacing:.4px;text-transform:uppercase}

.nav{display:flex;align-items:center;gap:4px}
.nav a{color:var(--navy);font-weight:600;padding:9px 13px;border-radius:8px;font-size:.95rem}
.nav a:hover,.nav a.active{background:var(--ice);color:var(--blue)}
.has-drop{position:relative}
.dropdown{position:absolute;top:calc(100% + 6px);left:0;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow-lg);min-width:255px;padding:8px;opacity:0;visibility:hidden;
  transform:translateY(8px);transition:.18s;max-height:70vh;overflow:auto}
.has-drop:hover .dropdown,.has-drop:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 12px;border-radius:7px;font-size:.92rem;font-weight:500}
.header-cta{display:flex;align-items:center;gap:10px}
.phone-btn{background:var(--red);color:#fff;font-weight:800;padding:11px 18px;border-radius:10px;
  font-family:var(--head);white-space:nowrap;box-shadow:0 6px 18px rgba(214,32,42,.28)}
.phone-btn:hover{background:var(--red-600);color:#fff}
.phone-btn small{display:block;font-size:.62rem;font-weight:600;opacity:.9;letter-spacing:.5px}
.menu-toggle{display:none;background:var(--navy);border:0;color:#fff;width:46px;height:42px;border-radius:9px;cursor:pointer}
.menu-toggle span{display:block;width:22px;height:2px;background:#fff;margin:4px auto}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(130deg,var(--navy) 0%,var(--blue) 58%,var(--blue-500) 100%)}
.hero::before{content:"";position:absolute;inset:0;opacity:.14;
  background-image:radial-gradient(circle at 18% 22%,#fff 0 2px,transparent 3px),radial-gradient(circle at 70% 60%,#fff 0 2px,transparent 3px);
  background-size:46px 46px}
.hero-inner{position:relative;max-width:var(--maxw);margin:0 auto;padding:72px 20px;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.hero h1{color:#fff}
.hero h1 span{color:#ffd23f}
.hero p{color:#dce8f7;font-size:1.18rem;max-width:560px}
.hero .trust-row{display:flex;flex-wrap:wrap;gap:18px;margin:22px 0 28px}
.hero .trust-row div{font-size:.92rem;font-weight:600;display:flex;align-items:center;gap:8px;color:#eaf2fb}
.hero .trust-row .ic{color:#ffd23f;font-size:1.1rem}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--head);font-weight:700;
  padding:14px 26px;border-radius:11px;cursor:pointer;border:0;font-size:1rem;transition:.18s;text-align:center}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 10px 26px rgba(214,32,42,.32)}
.btn-primary:hover{background:var(--red-600);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:2px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-lg{padding:16px 32px;font-size:1.08rem}

/* hero form card */
.hero-card{background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);padding:26px;color:var(--ink)}
.hero-card h3{color:var(--navy);margin-bottom:.2em}
.hero-card .sub{color:var(--muted);font-size:.9rem;margin-bottom:16px}

/* ---------- Forms ---------- */
.form-grid{display:grid;gap:12px}
.form-grid .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field label{display:block;font-size:.82rem;font-weight:700;color:var(--navy);margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;padding:12px 13px;border:1.5px solid var(--line);
  border-radius:9px;font-family:var(--font);font-size:.95rem;background:#fbfcfe;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--blue-400);
  box-shadow:0 0 0 3px rgba(31,122,224,.14);background:#fff}
.field textarea{resize:vertical;min-height:84px}
.form-note{font-size:.76rem;color:var(--muted);margin-top:4px}
.form-success{display:none;background:#e9f9ef;border:1.5px solid #51c17a;color:#17643a;
  padding:14px 16px;border-radius:10px;font-weight:600;margin-top:10px}
.form-error{display:none;background:#fdecec;border:1.5px solid #e88;color:#a21;padding:12px 14px;border-radius:10px;margin-top:10px;font-size:.9rem}

/* ---------- Trust strip ---------- */
.trust-strip{background:var(--navy);color:#fff;padding:26px 0}
.trust-strip .container{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.trust-strip .stat{display:flex;flex-direction:column;gap:2px}
.trust-strip .num{font-family:var(--head);font-size:1.9rem;font-weight:800;color:#ffd23f;line-height:1}
.trust-strip .lbl{font-size:.82rem;color:#cfdcec;font-weight:600;letter-spacing:.3px}

/* ---------- Cards / grids ---------- */
.section-head{text-align:center;max-width:720px;margin:0 auto 42px}
.section-head .kicker{color:var(--red);font-weight:800;letter-spacing:1.4px;text-transform:uppercase;font-size:.8rem;margin-bottom:8px}
.section-head p{color:var(--muted);font-size:1.08rem}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s;height:100%}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--ice-200)}
.card .ico{width:54px;height:54px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--blue),var(--blue-500));color:#fff;font-size:1.5rem;margin-bottom:16px}
.card h3{margin-bottom:.35em}
.card p{color:var(--muted);font-size:.95rem;margin-bottom:.8em}
.card .more{font-weight:700;color:var(--blue);font-size:.9rem}
.card.red .ico{background:linear-gradient(135deg,var(--red),var(--red-600))}

.bg-ice{background:var(--ice)}
.bg-soft{background:#f7fafd}

/* feature list */
.feat{display:flex;gap:14px;align-items:flex-start}
.feat .fi{flex:0 0 auto;width:44px;height:44px;border-radius:10px;background:var(--ice);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:800}
.feat h3{font-size:1.1rem;margin-bottom:.2em}
.feat p{color:var(--muted);font-size:.92rem;margin:0}

/* ---------- Content pages ---------- */
.page-hero{background:linear-gradient(130deg,var(--navy),var(--blue));color:#fff;padding:54px 0}
.page-hero .crumbs{font-size:.85rem;color:#bcd0ea;margin-bottom:10px}
.page-hero .crumbs a{color:#fff}
.page-hero h1{color:#fff;max-width:900px}
.page-hero p{color:#d7e5f6;max-width:760px;margin-top:10px;font-size:1.1rem}
.page-hero .mini-cta{margin-top:20px;display:flex;gap:12px;flex-wrap:wrap}

.content-wrap{display:grid;grid-template-columns:1fr 340px;gap:46px;align-items:start}
.article h2{margin-top:1.4em}
.article h3{margin-top:1.1em;color:var(--blue)}
.article ul,.article ol{margin:0 0 1.1rem 1.2rem}
.article li{margin-bottom:.5rem}
.article .callout{background:var(--ice);border-left:4px solid var(--blue);padding:16px 20px;border-radius:0 10px 10px 0;margin:1.4rem 0}
.article .callout.red{background:#fdeeee;border-left-color:var(--red)}
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.side-card.navy{background:var(--navy);color:#fff}
.side-card.navy h3{color:#fff}
.side-card.navy p{color:#cfdcec;font-size:.9rem}
.side-card h3{font-size:1.15rem}
.side-list a{display:block;padding:8px 0;border-bottom:1px solid var(--line);font-weight:600;font-size:.93rem}
.side-list a:last-child{border-bottom:0}
.side-list a::before{content:"›";color:var(--red);font-weight:800;margin-right:8px}

/* map */
.map-embed{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);margin:1.2rem 0}
.map-embed iframe{display:block;width:100%;height:340px;border:0}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:10px;margin-bottom:12px;overflow:hidden;background:#fff}
.faq-q{padding:16px 18px;font-weight:700;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;font-family:var(--head)}
.faq-q::after{content:"+";font-size:1.4rem;color:var(--red);flex:0 0 auto}
.faq-item.open .faq-q::after{content:"–"}
.faq-a{padding:0 18px;max-height:0;overflow:hidden;transition:.25s;color:var(--muted)}
.faq-item.open .faq-a{padding:0 18px 16px;max-height:600px}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:9px;margin:1rem 0}
.chip{background:var(--ice);color:var(--blue);padding:7px 13px;border-radius:30px;font-size:.84rem;font-weight:700;border:1px solid var(--ice-200)}
.chip a{color:inherit}

/* city link cloud */
.city-cloud{columns:4;column-gap:24px}
.city-cloud a{display:block;padding:5px 0;font-size:.9rem;font-weight:500;break-inside:avoid}
.county-block{margin-bottom:30px}
.county-block h3{border-bottom:2px solid var(--ice-200);padding-bottom:8px;color:var(--navy)}

/* CTA band */
.cta-band{background:linear-gradient(130deg,var(--red),var(--red-600));color:#fff;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:#ffe3e4;max-width:640px;margin:0 auto 22px;font-size:1.1rem}
.cta-band .btn-ghost{border-color:#fff}
.cta-band .btn-white{background:#fff;color:var(--red)}
.cta-band .btn-white:hover{background:var(--navy);color:#fff}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#cfdcec;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px}
.site-footer h4{color:#fff;font-family:var(--head);font-size:1.05rem;margin-bottom:16px}
.site-footer a{color:#cfdcec;font-size:.92rem;display:block;padding:4px 0}
.site-footer a:hover{color:#ffd23f}
.footer-brand img{height:auto;width:200px;max-width:100%;margin-bottom:14px;background:#fff;padding:12px;border-radius:12px;object-fit:contain;display:block}
.footer-brand p{font-size:.9rem;color:#a9bdd6}
.foot-contact li{list-style:none;display:flex;gap:10px;margin-bottom:10px;font-size:.92rem;align-items:flex-start}
.foot-contact .ic{color:#ffd23f}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:20px 0;font-size:.84rem;color:#8ea4c2;text-align:center}
.footer-bottom a{display:inline;color:#bcd0ea}

/* floating call btn (mobile) */
.float-call{display:none;position:fixed;right:16px;bottom:16px;z-index:60;background:var(--red);color:#fff;
  width:60px;height:60px;border-radius:50%;align-items:center;justify-content:center;font-size:1.6rem;
  box-shadow:0 10px 26px rgba(214,32,42,.5);animation:pulse 2s infinite}

/* ---------- Popup modal ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(0,16,40,.62);backdrop-filter:blur(3px);z-index:100;
  display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:.25s}
.modal-overlay.show{opacity:1;visibility:visible}
.modal{background:#fff;border-radius:18px;max-width:470px;width:100%;box-shadow:var(--shadow-lg);
  position:relative;transform:translateY(18px) scale(.97);transition:.25s;overflow:hidden}
.modal-overlay.show .modal{transform:none}
.modal-head{background:linear-gradient(130deg,var(--navy),var(--blue));color:#fff;padding:22px 26px}
.modal-head h3{color:#fff;margin-bottom:3px}
.modal-head p{color:#d7e5f6;font-size:.9rem;margin:0}
.modal-body{padding:22px 26px 26px}
.modal-close{position:absolute;top:12px;right:14px;background:rgba(255,255,255,.2);border:0;color:#fff;
  width:32px;height:32px;border-radius:50%;font-size:1.2rem;cursor:pointer;line-height:1;z-index:2}
.modal-close:hover{background:rgba(255,255,255,.35)}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .content-wrap{grid-template-columns:1fr}
  .sidebar{position:static;flex-direction:column}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .city-cloud{columns:3}
  .trust-strip .container{grid-template-columns:repeat(2,1fr);gap:18px}
}
@media(max-width:760px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;padding:12px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);gap:2px}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;
    max-height:none;padding:0 0 0 14px;min-width:0}
  .has-drop:hover .dropdown{}
  .menu-toggle{display:block}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .form-grid .row2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .city-cloud{columns:2}
  .float-call{display:flex}
  .header-cta .phone-btn small{display:none}
  .brand img{height:64px}
  .header-inner{padding:4px 16px;gap:10px}
  section{padding:46px 0}
}
@media(max-width:420px){.brand img{height:54px}}
@media(max-width:420px){.city-cloud{columns:1}.trust-strip .container{grid-template-columns:1fr 1fr}}