:root{--navy:#020b1a;--blue:#087cff;--white:#fff;--light:#f5f7fa;--line:#dce2ea}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#07132b;line-height:1.55}
a{text-decoration:none;color:inherit}
.container{width:min(1120px,calc(100% - 40px));margin:auto}

header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid #123052}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{width:210px;height:58px;object-fit:contain}
nav{display:flex;gap:24px;font-weight:700;font-size:14px}
nav a.active,nav a:hover{color:var(--blue)}
.nav-actions{display:flex;gap:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;border-radius:5px;font-weight:800;border:1px solid var(--blue);font-size:14px}
.btn-primary{background:var(--blue);color:#fff}
.btn-outline{color:#fff;background:transparent}
.menu{display:none;background:none;border:1px solid #31547c;color:#fff;padding:10px;border-radius:5px}

.hero{background:var(--navy);color:#fff}
.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;min-height:500px}
.hero-copy{padding:56px 0 48px}
.hero-copy h1{font-size:clamp(36px,3.5vw,54px);line-height:.99;margin:0 0 20px;font-weight:900;letter-spacing:-1.6px}
.hero-copy h1 span{color:var(--blue)}
.hero-copy p{font-size:16px;color:#e3e8ef;max-width:540px;margin:0}
.hero-buttons{display:flex;gap:10px;margin:24px 0}
.trust{display:flex;gap:18px;flex-wrap:wrap;font-size:11px;font-weight:800}
.hero-photo{background-image:url("hero-aircon.jpg");background-size:cover;background-position:center;min-height:500px;position:relative}

.vat{position:absolute;right:42px;bottom:28px;background:rgba(2,11,26,.94);border:1px solid var(--blue);padding:18px 22px;text-align:center;border-radius:6px}
.vat strong{font-size:42px;color:var(--blue);line-height:1;font-style:italic}
.vat b{font-size:20px}.vat div{font-weight:800}.vat small{color:#cdd4df}

.section{padding:58px 0}
.section-title{text-align:center;margin-bottom:34px}
.section-title h2{font-size:32px;margin:0 0 7px}
.section-title h2 span{color:var(--blue)}
.section-title p{margin:0;color:#657083}
.service-grid,.cards{display:grid;grid-template-columns:repeat(4,1fr)}
.service-grid{border:1px solid var(--line)}
.service{padding:27px 20px;text-align:center;border-right:1px solid var(--line)}
.service:last-child{border-right:0}
.icon{width:58px;height:58px;border:3px solid var(--blue);border-radius:50%;display:grid;place-items:center;margin:0 auto 15px;color:var(--blue);font-size:26px}
.service h3{font-size:16px;line-height:1.2}
.service p,.card p{font-size:13px;color:#5c6677}

.dark-band{background:var(--navy);color:#fff}
.split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
.split h2{font-size:36px;line-height:1.05}
.split h2 span{color:var(--blue)}
.split p{color:#d7deea}
.van{width:100%;border-radius:8px;display:block;border:1px solid #1b426d;object-fit:cover}
.checks{list-style:none;padding:0}
.checks li{margin:10px 0;font-weight:700}
.checks li:before{content:"✓";color:var(--blue);font-size:20px;margin-right:10px}

.page-hero{background:var(--navy);color:#fff;padding:54px 0}
.page-hero h1{font-size:46px;margin:0}
.page-hero p{max-width:720px;color:#d7deea;font-size:17px}

.cards{grid-template-columns:1fr 1fr;gap:20px}
.card{border:1px solid var(--line);padding:25px;border-radius:8px}
.card h3{color:var(--navy)}

.form-section{background:var(--light)}
.form-card{max-width:720px;margin:auto;background:#fff;padding:30px;border-radius:8px;box-shadow:0 12px 40px #07132b18}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{font-weight:700;font-size:14px}
input,select,textarea{width:100%;margin-top:6px;padding:12px;border:1px solid #ccd4df;border-radius:5px;font:inherit}
textarea{min-height:130px}
.full{grid-column:1/-1}
.form-note{font-size:13px;color:#687386}

footer{background:#010813;color:#fff;padding:32px 0}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:26px}
footer p,footer li{color:#c8d0dc}
footer ul{padding:0;list-style:none}
.copyright{border-top:1px solid #1c314a;margin-top:25px;padding-top:16px;color:#8795a9;font-size:13px}

@media(max-width:1100px){
  .container{width:min(1080px,calc(100% - 32px))}
  nav{gap:17px;font-size:13px}
  .logo{width:190px}
  .nav-actions .btn{padding:10px 12px;font-size:13px}
  .hero-copy h1{font-size:clamp(34px,3.7vw,50px)}
}

@media(max-width:980px){
  nav{display:none}
  .menu{display:block}
  .nav.open nav{display:flex;position:absolute;left:16px;right:16px;top:76px;background:var(--navy);padding:20px;flex-direction:column;border:1px solid #123052}
  .nav-actions{display:none}
  .hero-grid,.split{grid-template-columns:1fr}
  .hero-photo{min-height:430px}
  .service-grid{grid-template-columns:1fr 1fr}
  .service:nth-child(2){border-right:0}
  .service:nth-child(-n+2){border-bottom:1px solid var(--line)}
}

@media(max-width:650px){
  .container{width:calc(100% - 28px)}
  .nav{height:70px}
  .logo{width:180px;height:52px}
  .hero-copy{padding:44px 0 40px}
  .hero-copy h1{font-size:40px}
  .hero-buttons{flex-direction:column}
  .hero-photo{min-height:390px}
  .vat{right:14px;left:14px;bottom:14px}
  .vat strong{font-size:42px}
  .service-grid,.cards,.form-grid,.footer-grid{grid-template-columns:1fr}
  .service{border-right:0!important;border-bottom:1px solid var(--line)}
  .full{grid-column:auto}
  .page-hero h1{font-size:40px}
}

@media (max-width: 1200px) and (min-width: 981px){
  .vat{right:30px;bottom:24px;padding:16px 18px}
  .vat strong{font-size:40px}
  .vat b{font-size:18px}
}