/* Air Duct Sealing Naples — site styles */
:root{
  --navy:#0b2540; --navy-2:#12365c; --teal:#0e9f9a; --teal-soft:#e3f5f4;
  --accent:#f26b1d; --accent-dark:#d4580c;
  --ink:#1b2733; --muted:#566676; --bg:#fff; --soft:#f3f7fa; --line:#dde5ec;
  --radius:14px; --shadow:0 10px 30px rgba(11,37,64,.10);
  --font:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal)}
a:hover{color:var(--navy-2)}
h1,h2,h3{line-height:1.2;color:var(--navy);margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.55rem,3vw,2.15rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1.1em}
.container{max-width:1160px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:100}
.skip-link:focus{left:10px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:999px;font-weight:700;text-decoration:none;font-size:1rem;border:2px solid transparent;cursor:pointer;font-family:inherit;transition:background .2s,transform .15s,color .2s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff}
.btn-outline{border-color:#fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--navy)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2);color:#fff}
.btn svg{width:18px;height:18px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font-weight:800;font-size:1.12rem;line-height:1.1}
.logo svg{width:40px;height:40px;flex:none}
.logo small{display:block;font-weight:600;font-size:.72rem;color:var(--teal);letter-spacing:.08em;text-transform:uppercase}
.main-nav>ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:4px}
.main-nav a,.dropdown-toggle{display:block;padding:10px 12px;color:var(--ink);text-decoration:none;font-weight:600;font-size:.97rem;background:none;border:0;font-family:inherit;cursor:pointer;border-radius:8px}
.main-nav a:hover,.dropdown-toggle:hover{color:var(--teal)}
.main-nav a[aria-current="page"]{color:var(--teal)}
.has-dropdown{position:relative}
.dropdown-toggle{display:flex;align-items:center;gap:6px}
.dropdown-toggle svg{width:12px;height:12px;transition:transform .2s}
.dropdown{list-style:none;margin:0;padding:8px;position:absolute;top:100%;left:0;min-width:270px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s}
.has-dropdown:hover .dropdown,.has-dropdown.open .dropdown{opacity:1;visibility:visible;transform:none}
.has-dropdown.open .dropdown-toggle svg{transform:rotate(180deg)}
.dropdown a{padding:10px 12px}
.dropdown a:hover{background:var(--soft)}
.header-cta{display:flex;align-items:center;gap:12px}
.header-phone{font-weight:800;color:var(--navy);text-decoration:none;white-space:nowrap}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle svg{width:28px;height:28px;color:var(--navy)}

/* Hero */
.hero{background-color:var(--navy);background-image:linear-gradient(135deg,rgba(9,28,46,.85) 0%,rgba(10,40,55,.82) 100%),var(--hero-bg,none);background-size:cover;background-position:center;color:#dce8f3;padding:64px 0 72px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(14,159,154,.35),transparent 70%)}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{color:#fff}
.hero .lead{font-size:1.15rem;color:#dce8f3;max-width:600px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#7fe0db;margin-bottom:14px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
.hero-points{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px 22px;font-weight:600;font-size:.95rem;color:#fff}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points svg{width:18px;height:18px;color:#7fe0db;flex:none}
.page-hero{padding:56px 0 60px}

/* Form card */
.form-card{background:#fff;color:var(--ink);border-radius:var(--radius);padding:28px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.form-card h2{font-size:1.4rem;margin-bottom:4px}
.form-card .form-sub{color:var(--muted);font-size:.95rem;margin-bottom:16px}
.lead-form{display:grid;gap:12px}
.lead-form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.lead-form label{font-size:.85rem;font-weight:700;color:var(--navy);display:block;margin-bottom:4px}
.lead-form input,.lead-form select,.lead-form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:.98rem;background:#fbfdfe;color:var(--ink)}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{outline:2px solid var(--teal);border-color:transparent}
.lead-form textarea{min-height:90px;resize:vertical}
.lead-form .btn{width:100%;margin-top:4px}
.form-note{font-size:.78rem;color:var(--muted);margin:4px 0 0}
.hidden{display:none}

/* Trust strip */
.trust-strip{background:var(--soft);border-bottom:1px solid var(--line)}
.trust-strip ul{list-style:none;margin:0;padding:18px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.trust-strip li{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--navy);font-size:.95rem;justify-content:center}
.trust-strip svg{width:22px;height:22px;color:var(--teal);flex:none}

/* Sections */
.section{padding:72px 0}
.section-soft{background:var(--soft)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split.reverse .media{order:2}
.media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;aspect-ratio:3/2;object-fit:cover}
.checklist{list-style:none;padding:0;margin:0 0 1.2em;display:grid;gap:10px}
.checklist li{position:relative;padding-left:32px}
.checklist li::before{content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;background:var(--teal-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230e9f9a' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card h3{margin-bottom:8px}
.card p{margin:0;color:var(--muted)}
.card .icon{width:46px;height:46px;border-radius:12px;background:var(--teal-soft);color:var(--teal);display:grid;place-items:center;margin-bottom:14px}
.card .icon svg{width:24px;height:24px}
.service-card{display:flex;flex-direction:column}
.service-card .more{margin-top:14px;font-weight:700;text-decoration:none}

/* Steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;counter-increment:step;position:relative}
.steps li::before{content:counter(step);display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;margin-bottom:14px}
.steps h3{margin-bottom:6px}
.steps p{margin:0;color:var(--muted);font-size:.96rem}

/* FAQ */
.faq{display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 22px}
.faq summary{cursor:pointer;list-style:none;padding:18px 30px 18px 0;font-weight:700;color:var(--navy);position:relative;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:1.6rem;color:var(--teal);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin:0 0 18px}

/* CTA band */
.cta-band{background:linear-gradient(135deg,var(--teal) 0%,#0b7f7b 100%);color:#fff;padding:60px 0}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:6px}
.cta-band p{margin:0;color:#e6fbfa;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.gallery figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.gallery img{aspect-ratio:4/3;object-fit:cover;width:100%}
.gallery figcaption{padding:16px 18px}
.gallery figcaption strong{display:block;color:var(--navy)}
.gallery figcaption span{color:var(--muted);font-size:.93rem}

/* Legal / prose */
.prose h2{font-size:1.4rem;margin-top:1.8em}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.updated{color:var(--muted);font-size:.95rem}

/* Breadcrumb */
.breadcrumb{font-size:.88rem;color:#a9c0d6;margin-bottom:14px}
.breadcrumb a{color:#cfe0ee;text-decoration:none}
.breadcrumb a:hover{color:#fff}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-list{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:14px}
.contact-list li{display:flex;gap:12px;align-items:flex-start}
.contact-list svg{width:22px;height:22px;color:var(--teal);flex:none;margin-top:4px}
.contact-page .form-card{box-shadow:var(--shadow);border:1px solid var(--line)}

/* Footer */
.site-footer{background:var(--navy);color:#b8cadb;padding:60px 0 0;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.site-footer h3{color:#fff;font-size:1rem;margin-bottom:14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.site-footer a{color:#b8cadb;text-decoration:none}
.site-footer a:hover{color:#fff}
.site-footer .logo{color:#fff;margin-bottom:14px}
.footer-phone{display:inline-block;margin-top:6px;font-size:1.2rem;font-weight:800;color:#fff!important}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:20px 0 26px;font-size:.84rem;color:#8ea6bd}
.footer-bottom p{margin:0 0 6px}

/* Mobile call bar */
.mobile-call{display:none}

@media (max-width:1020px){
  .nav-toggle{display:block}
  .header-cta .btn{display:none}
  .main-nav{position:fixed;inset:74px 0 0 0;background:#fff;padding:16px 20px 40px;overflow-y:auto;transform:translateX(100%);transition:transform .25s;border-top:1px solid var(--line)}
  .main-nav.open{transform:none}
  .main-nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav a,.dropdown-toggle{padding:14px 6px;font-size:1.05rem;border-bottom:1px solid var(--line);border-radius:0;width:100%;text-align:left}
  .dropdown{position:static;box-shadow:none;border:0;opacity:1;visibility:visible;transform:none;display:none;padding:0 0 0 14px;min-width:0}
  .has-dropdown:hover .dropdown{display:none}
  .has-dropdown.open .dropdown{display:block}
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .split.reverse .media{order:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cards,.gallery{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .trust-strip ul{grid-template-columns:repeat(2,1fr)}
  .trust-strip li{justify-content:flex-start}
}
@media (max-width:640px){
  body{font-size:16px;padding-bottom:64px}
  .section{padding:54px 0}
  .hero{padding:44px 0 52px}
  .header-phone{display:none}
  .logo{font-size:1rem}
  .steps,.cards,.gallery,.footer-grid{grid-template-columns:1fr}
  .lead-form .row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .mobile-call{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--accent);color:#fff;justify-content:center;align-items:center;gap:10px;padding:16px;font-weight:800;text-decoration:none;font-size:1.05rem;box-shadow:0 -4px 16px rgba(0,0,0,.15)}
  .mobile-call:hover{color:#fff}
  .mobile-call svg{width:20px;height:20px}
}