/*
Theme Name: Clear Sky Duct Dynamics
Theme URI: https://clearskyductdynamics.com/
Author: Clear Sky Duct Dynamics
Description: A modern, responsive local-service WordPress theme for Clear Sky Duct Dynamics.
Version: 1.1.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
Text Domain: clear-sky-duct-dynamics
*/
:root{
  --navy:#0c2b59;
  --blue:#168fd0;
  --sky:#53b7e8;
  --ink:#12213a;
  --muted:#607086;
  --light:#f3f8fc;
  --white:#fff;
  --line:#dce8f2;
  --shadow:0 18px 50px rgba(12,43,89,.12);
  --radius:18px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.65}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--navy)}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(220,232,242,.9);backdrop-filter:blur(12px)}
.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.header-actions{display:flex;align-items:center;gap:12px;min-width:0}
.header-call{display:inline-flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap;background:var(--blue);color:#fff;border-radius:999px;padding:11px 16px;font-weight:800;font-size:13px;box-shadow:0 8px 20px rgba(22,143,208,.2)}
.header-call:hover{background:var(--navy);color:#fff}
.brand{display:flex;align-items:center;min-width:190px}
.brand img{width:190px;height:auto}
.site-nav{display:flex;align-items:center}
.site-nav ul{display:flex;align-items:center;gap:6px;margin:0;padding:0;list-style:none}
.site-nav li{position:relative}
.site-nav a{display:block;padding:12px 13px;color:var(--navy);font-weight:750;font-size:14px}
.site-nav a:hover,.site-nav .current-menu-item>a,.site-nav .current_page_item>a{color:var(--blue)}
.site-nav .menu-item-has-children>a:after{content:"▾";font-size:10px;margin-left:7px}
.site-nav .sub-menu{position:absolute;left:0;top:100%;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:var(--shadow);display:none}
.site-nav li:hover>.sub-menu,.site-nav li:focus-within>.sub-menu{display:block}
.site-nav .sub-menu a{padding:10px 12px;border-radius:8px}
.quote-btn{background:var(--blue)!important;color:#fff!important;border-radius:999px;padding-inline:18px!important}
.quote-btn:hover{background:var(--navy)!important}
.menu-toggle{display:none;border:0;background:var(--navy);color:#fff;border-radius:10px;padding:10px 13px;font-size:18px}
.hero{position:relative;min-height:650px;display:grid;align-items:center;background:linear-gradient(90deg,rgba(7,29,62,.9),rgba(7,29,62,.56),rgba(7,29,62,.12)),var(--hero-image) center/cover no-repeat;color:#fff}
.hero .container{padding:90px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--sky);margin-bottom:14px}
.eyebrow:before{content:"";width:34px;height:2px;background:var(--sky)}
.hero h1{font-size:clamp(42px,6vw,72px);line-height:1.02;max-width:760px;margin:0 0 20px;letter-spacing:-.04em}
.hero p{font-size:19px;max-width:650px;color:#eaf6ff;margin:0 0 30px}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;background:var(--blue);color:#fff;font-weight:800;border:1px solid transparent}
.btn:hover{color:#fff;background:#0f73a9}
.btn.secondary{background:#fff;color:var(--navy)}
.btn.secondary:hover{background:#e9f5fb}
.section{padding:88px 0}
.section.alt{background:var(--light)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head.center{margin-inline:auto;text-align:center}
.section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.1;margin:0 0 14px;color:var(--navy);letter-spacing:-.025em}
.section-head p{margin:0;color:var(--muted);font-size:17px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 26px rgba(12,43,89,.06)}
.card-body{padding:24px}
.card h3{margin:0 0 9px;color:var(--navy);font-size:22px}
.card p{margin:0 0 16px;color:var(--muted)}
.card .card-link{font-weight:800}
.card-image{aspect-ratio:16/10;object-fit:cover;width:100%}
.service-icon{width:48px;height:48px;border-radius:14px;background:#e8f6fd;color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:16px}
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:center}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px;box-shadow:var(--shadow)}
.split h2{font-size:clamp(32px,4vw,50px);line-height:1.08;color:var(--navy);margin:0 0 18px}
.checklist{padding:0;margin:24px 0;list-style:none;display:grid;gap:12px}
.checklist li{display:flex;gap:10px;align-items:flex-start}
.checklist li:before{content:"✓";flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:#e8f6fd;color:var(--blue);display:grid;place-items:center;font-weight:900}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.stat{padding:22px;border-radius:16px;background:#fff;border:1px solid var(--line)}
.stat strong{display:block;color:var(--navy);font-size:25px}
.stat span{color:var(--muted);font-size:13px}
.cta-band{background:linear-gradient(110deg,var(--navy),#124a82);color:#fff;border-radius:26px;padding:46px}
.cta-band h2{margin:0 0 10px;font-size:clamp(28px,4vw,42px);line-height:1.1}
.cta-band p{margin:0 0 20px;color:#dcefff;max-width:700px}
.page-hero{background:linear-gradient(120deg,#071e3f,#0c477c);color:#fff;padding:78px 0}
.page-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.05;margin:0 0 12px;letter-spacing:-.035em}
.page-hero p{max-width:740px;margin:0;color:#dcefff;font-size:18px}
.breadcrumbs{font-size:13px;color:#b9dbef;margin-bottom:16px}
.breadcrumbs a{color:#fff}
.content{font-size:17px}
.content h2{font-size:34px;line-height:1.15;color:var(--navy);margin-top:42px}
.content h3{font-size:23px;color:var(--navy)}
.content p{color:#46576c}
.content ul{padding-left:22px}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px}
.contact-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 25px rgba(12,43,89,.06)}
.contact-list{display:grid;gap:16px;margin:20px 0}
.contact-item strong{display:block;color:var(--navy);font-size:13px;text-transform:uppercase;letter-spacing:.08em}
.contact-item a,.contact-item span{font-size:18px;font-weight:750;color:var(--ink)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:grid;gap:7px}
.form-field.full{grid-column:1/-1}
.form-field label{font-weight:750;color:var(--navy);font-size:14px}
.form-field input,.form-field textarea,.form-field select{width:100%;border:1px solid #cddbe7;border-radius:10px;padding:12px 13px;font:inherit;color:var(--ink);background:#fff}
.form-field textarea{min-height:140px;resize:vertical}
.hp{position:absolute;left:-9999px;opacity:0}
.notice{padding:14px 16px;border-radius:10px;background:#e9f8ee;color:#176437;border:1px solid #bce6ca;margin-bottom:18px}
.site-footer{background:#071e3f;color:#d7e8f6;padding:64px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;gap:35px}
.footer-logo{width:210px;background:#fff;border-radius:12px;padding:10px;margin-bottom:18px}
.site-footer h3{color:#fff;font-size:15px;text-transform:uppercase;letter-spacing:.08em;margin:0 0 14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.site-footer a{color:#d7e8f6}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:#a9c0d2}
.photo-credit{font-size:11px;color:#8ea8ba;margin-top:12px}
.site-main{min-height:60vh}
.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media (max-width:900px){
  .header-inner{min-height:72px}
  .brand img{width:160px}
  .header-actions{gap:8px}
  .header-call{padding:9px 11px;font-size:12px}
  .menu-toggle{display:block}
  .site-nav{display:none;position:absolute;left:20px;right:20px;top:72px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:var(--shadow)}
  .site-nav.open{display:block}
  .site-nav ul{display:block}
  .site-nav a{padding:12px}
  .site-nav .sub-menu{position:static;display:block;box-shadow:none;border:0;padding:0 0 5px 12px;min-width:0}
  .site-nav .menu-item-has-children>a:after{display:none}
  .grid-3{grid-template-columns:1fr 1fr}
  .split,.contact-grid{grid-template-columns:1fr}
  .hero{min-height:590px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .container{width:min(var(--max),calc(100% - 28px))}
  .section{padding:62px 0}
  .hero .container{padding:70px 0}
  .hero h1{font-size:44px}
  .hero p{font-size:17px}
  .grid-3,.grid-2,.footer-grid,.form-grid{grid-template-columns:1fr}
  .form-field.full{grid-column:auto}
  .stat-row{grid-template-columns:1fr}
  .cta-band{padding:30px 22px}
  .footer-bottom{display:block}
}