:root{--navy:#073b66;--blue:#168fd6;--cyan:#40c4f0;--green:#16b45d;--ink:#18313f;--muted:#667680;--light:#f4f9fc;--border:#dce7ee}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);line-height:1.5;background:#fff}
a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1200px,92%);margin:auto}
.topbar{background:var(--navy);color:#fff;font-size:14px}.topbar .inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:8px 0}
.header{background:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid var(--border)}.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px}.brandmark{width:54px;height:54px;border-radius:12px;background:linear-gradient(135deg,var(--navy),var(--cyan));display:grid;place-items:center;color:#fff;font-size:28px}
.brand h1{font-size:25px;line-height:.95;margin:0;color:var(--navy);font-weight:900}.brand h1 span{display:block;color:var(--blue)}.brand small{font-size:10px;font-weight:800;letter-spacing:.7px}
.menu{display:flex;gap:22px;font-weight:700}.menu a:hover{color:var(--blue)}.calltop{background:var(--blue);color:#fff;padding:11px 18px;border-radius:9px;font-weight:900;text-align:center}
.hero{background:linear-gradient(90deg,rgba(7,54,91,.97),rgba(7,54,91,.78) 47%,rgba(7,54,91,.08)),url('hero-aircon.jpg') center/cover no-repeat;color:#fff}
.hero .content{padding:64px 0 52px;max-width:760px}.eyebrow{letter-spacing:5px;font-size:14px;color:#d9f5ff}.hero h1{font-size:52px;line-height:1.03;margin:10px 0 14px;text-transform:uppercase}.hero h1 span{color:var(--cyan)}.hero p{font-size:18px}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:9px 20px;margin:20px 0}.checks div:before{content:"✓";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--cyan);color:#073b66;margin-right:8px;font-weight:900}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin:22px 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:15px 22px;border-radius:8px;font-weight:900;color:#fff}.btn.blue{background:var(--blue)}.btn.green{background:var(--green)}.btn.navy{background:var(--navy)}
.services{padding:22px 0}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.card{border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#fff;box-shadow:0 5px 16px rgba(0,0,0,.05)}.card img{height:175px;width:100%;object-fit:cover}.card .pad{padding:14px}.card h3{margin:0 0 6px;font-size:17px}.card p{font-size:13px;color:var(--muted);margin:0 0 8px}.learn{color:var(--blue);font-weight:900}
.features{padding:20px 0;background:var(--light)}.featuregrid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.featuregrid div{text-align:center;font-weight:800}
.gallery{padding:42px 0;background:#fafcfd}.gallery-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:14px}.gallery-grid img{width:100%;height:280px;object-fit:cover;border-radius:12px}
.coverage{background:linear-gradient(90deg,#073b66,#edf6fb);padding:36px 0}.covergrid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:22px}.panel{background:#fff;border-radius:12px;padding:22px}.panel.dark,.panel.quote{background:#073b66;color:#fff}.quote .btn{width:100%;margin-top:10px}
.area-list{columns:2;list-style:none;padding:0}.area-list li{margin:5px 0}.area-list li:before{content:"✓";color:var(--cyan);font-weight:900;margin-right:8px}
.content-wrap{padding:42px 0}.two{display:grid;grid-template-columns:1.4fr .8fr;gap:28px}.box{background:#f7fafc;border:1px solid var(--border);border-radius:12px;padding:22px}
form input,form select,form textarea{width:100%;padding:12px;margin-bottom:10px;border:1px solid #cad9e2;border-radius:8px;font:inherit}form button{border:0;cursor:pointer;width:100%}
.hero-mini{background:linear-gradient(90deg,#073b66,#2c8fc4);color:#fff;padding:46px 0}.hero-mini h1{margin:0 0 8px;font-size:42px}
.notice{background:#eef8fd;border:1px solid #b8def0;padding:13px;border-radius:9px;font-size:13px;margin-top:16px}
.footer{border-top:1px solid var(--border);padding:30px 0 80px}.footgrid{display:grid;grid-template-columns:1.2fr 1fr 1.2fr 1.2fr;gap:24px}.footer a{display:block;color:#596970;margin:5px 0}.copyright{background:var(--navy);color:#fff;padding:12px 0}.mobilebar{display:none}
@media(max-width:1000px){.menu{display:none}.grid4{grid-template-columns:repeat(2,1fr)}.covergrid,.two,.footgrid{grid-template-columns:1fr 1fr}.featuregrid{grid-template-columns:repeat(3,1fr)}.gallery-grid{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.topbar .inner{justify-content:center;text-align:center}.brand h1{font-size:19px}.brandmark{width:44px;height:44px}.calltop{display:none}.hero .content{padding:40px 0}.hero h1{font-size:35px}.hero p{font-size:16px}.checks,.grid4,.covergrid,.two,.footgrid,.featuregrid,.gallery-grid{grid-template-columns:1fr}.card img{height:185px}.gallery-grid img{height:220px}.footer{padding-bottom:90px}.mobilebar{display:grid;grid-template-columns:1fr 1fr;position:fixed;bottom:0;left:0;right:0;z-index:99}.mobilebar a{padding:15px;text-align:center;font-weight:900;color:#fff}.mobilebar .call{background:var(--blue)}.mobilebar .wa{background:var(--green)}}