/* =========================================================
   AEROWELLHVAC — Design System
   Palette: deep navy (trust) + ember orange (heat) + sky blue (cool)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --navy-950:#081527;
  --navy-900:#0b2545;
  --navy-800:#123564;
  --navy-700:#1a4680;
  --blue-500:#2e86de;
  --blue-100:#e7f2fc;
  --ember-600:#e0511c;
  --ember-500:#f2622e;
  --ember-400:#f5824f;
  --ember-100:#fdeae1;
  --gray-50:#f7f9fb;
  --gray-100:#eef1f5;
  --gray-200:#dfe4ea;
  --gray-400:#9aa5b1;
  --gray-600:#5b6b7c;
  --gray-800:#28323c;
  --white:#ffffff;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 8px rgba(11,37,69,0.08);
  --shadow-md:0 10px 30px rgba(11,37,69,0.12);
  --shadow-lg:0 20px 50px rgba(11,37,69,0.18);
  --container:1200px;
  --ff-head:'Poppins', system-ui, sans-serif;
  --ff-body:'Inter', system-ui, sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--gray-800);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--ff-head);color:var(--navy-900);line-height:1.2;margin:0 0 .5em;}
p{margin:0 0 1em;color:var(--gray-600);}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
section{padding:88px 0;}
@media (max-width:768px){ section{padding:56px 0;} }

.skip-link{
  position:absolute;left:-999px;top:0;background:var(--navy-900);color:#fff;
  padding:12px 18px;z-index:1000;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--ff-head);font-weight:600;font-size:.95rem;
  padding:14px 28px;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--ember-500);color:#fff;box-shadow:0 10px 24px rgba(242,98,46,.35);}
.btn-primary:hover{background:var(--ember-600);}
.btn-outline{background:transparent;border-color:#fff;color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.12);}
.btn-navy{background:var(--navy-900);color:#fff;}
.btn-navy:hover{background:var(--navy-800);}
.btn-block{width:100%;}
.btn-sm{padding:10px 18px;font-size:.85rem;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--ff-head);font-weight:700;font-size:.78rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ember-500);
  background:var(--ember-100);padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.section-head{max-width:680px;margin:0 auto 48px;text-align:center;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.4rem);}
.section-head p{font-size:1.05rem;}

/* ---------- Header ---------- */
.topbar{
  background:var(--navy-950);color:#cfe0f5;font-size:.85rem;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;flex-wrap:wrap;gap:8px;}
.topbar a{color:#cfe0f5;}
.topbar .topbar-links{display:flex;gap:20px;flex-wrap:wrap;}
.topbar .topbar-links span{display:inline-flex;align-items:center;gap:6px;}

header.site-header{
  position:sticky;top:0;z-index:500;background:#fff;box-shadow:var(--shadow-sm);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 0;}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--ff-head);font-weight:800;font-size:1.3rem;color:var(--navy-900);}
.logo .logo-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--ember-500),var(--navy-800));
  display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;
}
.logo small{display:block;font-family:var(--ff-body);font-weight:600;font-size:.62rem;letter-spacing:.12em;color:var(--gray-400);text-transform:uppercase;}

nav.main-nav{display:flex;align-items:center;gap:2px;}
nav.main-nav > ul{display:flex;align-items:center;gap:6px;}
nav.main-nav a.nav-link{
  padding:10px 14px;border-radius:8px;font-weight:600;font-size:.94rem;color:var(--navy-900);
  display:flex;align-items:center;gap:4px;
}
nav.main-nav a.nav-link:hover, nav.main-nav a.nav-link.active{background:var(--blue-100);color:var(--blue-500);}
.has-dropdown{position:relative;}
.dropdown{
  position:absolute;top:100%;left:0;background:#fff;min-width:230px;border-radius:var(--radius-sm);
  box-shadow:var(--shadow-lg);padding:10px;opacity:0;visibility:hidden;transform:translateY(6px);
  transition:.18s ease;
}
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown a{display:block;padding:10px 12px;border-radius:6px;font-size:.9rem;font-weight:500;color:var(--gray-800);}
.dropdown a:hover{background:var(--gray-50);color:var(--ember-500);}

.header-cta{display:flex;align-items:center;gap:14px;}
.header-phone{display:flex;align-items:center;gap:10px;font-family:var(--ff-head);font-weight:700;color:var(--navy-900);}
.header-phone .icon-circle{
  width:38px;height:38px;border-radius:50%;background:var(--ember-100);color:var(--ember-500);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.header-phone small{display:block;font-weight:500;font-size:.72rem;color:var(--gray-400);}

.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--navy-900);margin:5px 0;border-radius:2px;}

@media (max-width:980px){
  nav.main-nav{
    position:fixed;inset:0 0 0 30%;background:#fff;flex-direction:column;align-items:stretch;
    padding:90px 24px 24px;transform:translateX(100%);transition:transform .25s ease;
    box-shadow:-10px 0 30px rgba(0,0,0,.15);overflow-y:auto;
  }
  nav.main-nav.open{transform:translateX(0);}
  nav.main-nav > ul{flex-direction:column;align-items:stretch;gap:0;}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;display:none;padding-left:14px;}
  .has-dropdown.open .dropdown{display:block;}
  .header-phone small{display:none;}
  .nav-toggle{display:block;}
  .nav-scrim{display:none;position:fixed;inset:0;background:rgba(8,21,39,.5);z-index:400;}
  .nav-scrim.open{display:block;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(120deg,var(--navy-950) 0%,var(--navy-900) 45%,var(--navy-700) 100%);
  padding:120px 0 140px;
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.18;
  background-image:radial-gradient(circle at 15% 20%, #fff 0, transparent 2px),
                    radial-gradient(circle at 85% 15%, #fff 0, transparent 2px),
                    radial-gradient(circle at 60% 70%, #fff 0, transparent 2px);
  background-size:140px 140px;
}
.hero-duct{
  position:absolute;right:-80px;bottom:-60px;width:520px;max-width:60vw;opacity:.16;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
@media (max-width:900px){ .hero-grid{grid-template-columns:1fr;} }
.hero h1{color:#fff;font-size:clamp(2.1rem,4.4vw,3.4rem);margin-bottom:.4em;}
.hero h1 span{color:var(--ember-400);}
.hero p.lead{color:#cfe0f5;font-size:1.15rem;max-width:540px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:28px;}
.hero-badges{display:flex;gap:28px;margin-top:44px;flex-wrap:wrap;}
.hero-badges div{display:flex;align-items:center;gap:10px;color:#e7effa;font-weight:600;font-size:.92rem;}

.hero-card{
  background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-lg);color:var(--gray-800);
}
.hero-card h3{font-size:1.15rem;margin-bottom:4px;}
.hero-card p{font-size:.9rem;}
.hero-card form{display:grid;gap:12px;margin-top:14px;}

/* ---------- Trust stats ---------- */
.stats-bar{background:var(--navy-900);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;padding:40px 0;}
@media (max-width:800px){ .stats-grid{grid-template-columns:repeat(2,1fr);} }
.stats-grid .stat b{display:block;font-family:var(--ff-head);font-size:2.1rem;color:#fff;font-weight:800;}
.stats-grid .stat span{color:#a9c1de;font-size:.88rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;}

/* ---------- Icon tiles (replace photography) ---------- */
.icon-tile{
  width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--ember-500),var(--navy-800));color:#fff;flex-shrink:0;
}
.icon-tile.alt{background:linear-gradient(135deg,var(--blue-500),var(--navy-900));}
.icon-tile.soft{background:var(--blue-100);color:var(--blue-500);}
.icon-tile.soft.ember{background:var(--ember-100);color:var(--ember-500);}

.media-panel{
  border-radius:var(--radius-lg);overflow:hidden;position:relative;min-height:260px;
  background:linear-gradient(150deg,var(--navy-800),var(--navy-950));
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.media-panel svg{width:46%;opacity:.9;}
.media-panel.cool{background:linear-gradient(150deg,var(--blue-500),var(--navy-900));}
.media-panel.heat{background:linear-gradient(150deg,var(--ember-500),var(--navy-950));}
.media-panel.duct{background:linear-gradient(150deg,#3a5a85,var(--navy-950));}

/* ---------- Welcome / intro ---------- */
.welcome{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;}
@media (max-width:900px){ .welcome{grid-template-columns:1fr;} }
.welcome-checks{display:grid;gap:14px;margin-top:22px;}
.welcome-checks li{display:flex;gap:12px;align-items:flex-start;font-weight:600;color:var(--navy-900);}
.check-dot{
  width:24px;height:24px;border-radius:50%;background:var(--ember-100);color:var(--ember-500);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px;
}

/* ---------- Service cards ---------- */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
@media (max-width:960px){ .services-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .services-grid{grid-template-columns:1fr;} }
.service-card{
  background:#fff;border-radius:var(--radius-md);padding:30px;box-shadow:var(--shadow-sm);
  border:1px solid var(--gray-100);transition:.2s ease;
}
.service-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:transparent;}
.service-card h3{font-size:1.15rem;margin:18px 0 8px;}
.service-card .learn{color:var(--ember-500);font-weight:700;font-size:.88rem;display:inline-flex;align-items:center;gap:6px;margin-top:10px;}

/* ---------- Quality / why-choose split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
@media (max-width:900px){ .split{grid-template-columns:1fr;} }
.split.reverse .media-panel{order:2;}
.feature-list{display:grid;gap:18px;margin-top:20px;}
.feature-list li{display:flex;gap:14px;align-items:flex-start;}
.feature-list h4{margin:0 0 4px;font-size:1.02rem;}
.feature-list p{margin:0;font-size:.92rem;}

.band-dark{background:var(--navy-950);color:#fff;}
.band-dark h2,.band-dark h3,.band-dark h4{color:#fff;}
.band-dark p{color:#b9c9dd;}
.band-dark .feature-list .icon-tile{background:rgba(255,255,255,.08);}

/* ---------- Gallery ---------- */
.gallery-tabs{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:36px;}
.gallery-tabs button{
  border:1px solid var(--gray-200);background:#fff;padding:9px 18px;border-radius:999px;
  font-weight:600;font-size:.85rem;cursor:pointer;color:var(--gray-600);
}
.gallery-tabs button.active{background:var(--navy-900);color:#fff;border-color:var(--navy-900);}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
@media (max-width:960px){ .gallery-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:600px){ .gallery-grid{grid-template-columns:1fr;} }
.gallery-item{border-radius:var(--radius-md);overflow:hidden;position:relative;aspect-ratio:4/3;}
.gallery-item .media-panel{position:absolute;inset:0;border-radius:0;min-height:0;}
.gallery-item .cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  background:linear-gradient(to top, rgba(8,21,39,.85), transparent);color:#fff;font-weight:600;font-size:.85rem;
}

/* ---------- Testimonials ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
@media (max-width:800px){ .testi-grid{grid-template-columns:1fr;} }
.testi-card{background:#fff;border-radius:var(--radius-md);padding:28px;box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);}
.testi-stars{color:var(--ember-500);letter-spacing:2px;margin-bottom:10px;font-size:.95rem;}
.testi-person{display:flex;align-items:center;gap:12px;margin-top:18px;}
.avatar{
  width:46px;height:46px;border-radius:50%;background:var(--navy-900);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-family:var(--ff-head);flex-shrink:0;
}
.testi-person b{display:block;font-size:.92rem;color:var(--navy-900);}
.testi-person span{font-size:.8rem;color:var(--gray-400);}

/* ---------- Service area ---------- */
.area-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
@media (max-width:900px){ .area-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .area-grid{grid-template-columns:1fr;} }
.area-col h4{font-size:.95rem;color:var(--ember-500);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px;}
.area-col li{padding:6px 0;border-bottom:1px dashed var(--gray-200);font-size:.92rem;color:var(--gray-600);}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:14px;}
.faq-item{border:1px solid var(--gray-200);border-radius:var(--radius-sm);overflow:hidden;background:#fff;}
.faq-item summary{
  cursor:pointer;padding:18px 22px;font-family:var(--ff-head);font-weight:600;color:var(--navy-900);
  display:flex;justify-content:space-between;align-items:center;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:1.4rem;color:var(--ember-500);}
.faq-item[open] summary::after{content:"–";}
.faq-item .faq-body{padding:0 22px 20px;color:var(--gray-600);}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--ember-600),var(--ember-400));color:#fff;text-align:center;border-radius:var(--radius-lg);
  padding:56px 32px;margin:0 24px;
}
.cta-band h2{color:#fff;}
.cta-band p{color:rgba(255,255,255,.9);}

/* ---------- Forms ---------- */
.form-grid{display:grid;gap:16px;}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:600px){ .form-row-2{grid-template-columns:1fr;} }
label{display:block;font-weight:600;font-size:.85rem;color:var(--navy-900);margin-bottom:6px;}
input,select,textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1.5px solid var(--gray-200);
  font-family:var(--ff-body);font-size:.95rem;background:#fff;color:var(--gray-800);
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue-500);}
.field-note{font-size:.78rem;color:var(--gray-400);margin-top:4px;}
.form-msg{padding:12px 16px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;margin-top:14px;display:none;}
.form-msg.success{display:block;background:#e7f8ee;color:#1c8a4b;}
.form-msg.error{display:block;background:#fdeaea;color:#c0392b;}

/* ---------- Page header (inner pages) ---------- */
.page-header{
  background:linear-gradient(120deg,var(--navy-950),var(--navy-700));color:#fff;padding:70px 0;text-align:center;
}
.page-header h1{color:#fff;margin-bottom:8px;}
.breadcrumb{color:#a9c1de;font-size:.85rem;}
.breadcrumb a{color:#fff;font-weight:600;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--navy-950);color:#c3d2e4;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08);}
@media (max-width:900px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:560px){ .footer-grid{grid-template-columns:1fr;} }
.footer-grid h4{color:#fff;font-family:var(--ff-head);font-size:.95rem;margin-bottom:16px;}
.footer-grid li{margin-bottom:10px;font-size:.88rem;}
.footer-grid a:hover{color:var(--ember-400);}
.footer-logo{display:flex;align-items:center;gap:10px;font-family:var(--ff-head);font-weight:800;font-size:1.2rem;color:#fff;margin-bottom:14px;}
.social-row{display:flex;gap:10px;margin-top:16px;}
.social-row a{
  width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;
}
.social-row a:hover{background:var(--ember-500);}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:22px 0;font-size:.82rem;color:#7f93ac;flex-wrap:wrap;gap:10px;}

/* ---------- Utility ---------- */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.badge{
  display:inline-flex;align-items:center;gap:6px;background:var(--blue-100);color:var(--blue-500);
  padding:5px 12px;border-radius:999px;font-size:.78rem;font-weight:700;
}
.card{background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);padding:26px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
@media (max-width:800px){ .grid-2{grid-template-columns:1fr;} }
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:900px){ .grid-3{grid-template-columns:1fr 1fr;} }
@media (max-width:600px){ .grid-3{grid-template-columns:1fr;} }

/* ---------- Admin dashboard ---------- */
.admin-shell{min-height:100vh;background:var(--gray-50);}
.admin-login{max-width:380px;margin:120px auto;padding:36px;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);}
.admin-header{background:var(--navy-950);color:#fff;padding:18px 0;}
.admin-header .container{display:flex;justify-content:space-between;align-items:center;}
.admin-tabs{display:flex;gap:10px;margin:28px 0;}
.admin-tabs button{
  padding:10px 20px;border-radius:999px;border:1px solid var(--gray-200);background:#fff;font-weight:600;cursor:pointer;
}
.admin-tabs button.active{background:var(--navy-900);color:#fff;border-color:var(--navy-900);}
table.data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);}
table.data-table th{background:var(--navy-900);color:#fff;text-align:left;padding:12px 14px;font-size:.82rem;text-transform:uppercase;letter-spacing:.03em;}
table.data-table td{padding:12px 14px;border-bottom:1px solid var(--gray-100);font-size:.9rem;}
table.data-table tr:last-child td{border-bottom:none;}
.status-pill{padding:4px 10px;border-radius:999px;font-size:.75rem;font-weight:700;}
.status-pill.new{background:var(--ember-100);color:var(--ember-600);}
.status-pill.contacted{background:var(--blue-100);color:var(--blue-500);}
.status-pill.confirmed{background:#e7f8ee;color:#1c8a4b;}
.empty-state{text-align:center;padding:60px 20px;color:var(--gray-400);}