:root{--navy:#1E2640;--navy-2:#151b2e;--cyan:#00B4D8;--cyan-d:#0096b4;--grey:#F4F6F9;--text:#4a5268;--white:#fff;--radius:4px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Roboto',sans-serif;color:var(--text);line-height:1.7;background:var(--white)}
h1,h2,h3,h4{font-family:'Montserrat',sans-serif;color:var(--navy);line-height:1.2;font-weight:800}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1200px,92%);margin:0 auto}
/* top bar */
.topbar{background:var(--navy-2);color:#c9d1e6;font-size:.85rem}
.topbar .container{display:flex;justify-content:flex-end;gap:28px;padding:9px 0;flex-wrap:wrap}
.topbar a:hover{color:var(--cyan)}
.topbar span{color:var(--cyan);margin-right:6px}
/* header */
header.site{background:var(--white);position:sticky;top:0;z-index:50;box-shadow:0 2px 20px rgba(30,38,64,.08)}
header.site .container{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand img{height:62px;width:auto}
nav ul{list-style:none;display:flex;gap:6px}
nav a{font-family:'Montserrat',sans-serif;font-weight:700;font-size:.85rem;letter-spacing:.08em;color:var(--navy);padding:10px 16px;border-bottom:3px solid transparent;transition:.25s}
nav a:hover,nav a.active{color:var(--cyan);border-color:var(--cyan)}
.menu-btn{display:none;background:none;border:0;font-size:1.8rem;color:var(--navy);cursor:pointer}
/* buttons */
.btn{display:inline-block;background:var(--cyan);color:var(--white);font-family:'Montserrat',sans-serif;font-weight:700;letter-spacing:.1em;font-size:.82rem;text-transform:uppercase;padding:15px 34px;border-radius:var(--radius);border:2px solid var(--cyan);transition:.25s;cursor:pointer}
.btn:hover{background:var(--cyan-d);border-color:var(--cyan-d);transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,180,216,.35)}
.btn.ghost{background:transparent;border-color:var(--white)}
.btn.ghost:hover{background:var(--white);color:var(--navy)}
/* hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;color:var(--white);background:url(../images/welding.jpg) center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(21,27,46,.95) 0%,rgba(30,38,64,.82) 45%,rgba(30,38,64,.35) 100%)}
.hero .container{position:relative;padding:90px 0}
.eyebrow{display:inline-block;font-family:'Montserrat',sans-serif;font-weight:700;letter-spacing:.25em;font-size:.78rem;color:var(--cyan);text-transform:uppercase;margin-bottom:18px}
.eyebrow::before{content:"";display:inline-block;width:40px;height:2px;background:var(--cyan);vertical-align:middle;margin-right:12px}
.hero h1{color:var(--white);font-size:clamp(2.4rem,6vw,4.6rem);max-width:780px;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--cyan)}
.hero p.lead{font-size:1.2rem;max-width:600px;color:#d6dcec;margin-bottom:36px}
.badges{display:grid;grid-template-columns:repeat(2,minmax(0,320px));gap:14px 30px;margin-bottom:42px}
.badges li{list-style:none;display:flex;align-items:center;gap:12px;font-weight:500}
.badges li::before{content:"✓";flex:none;width:28px;height:28px;border-radius:50%;background:var(--cyan);color:var(--white);display:grid;place-items:center;font-weight:700;font-size:.9rem}
.hero .actions{display:flex;gap:16px;flex-wrap:wrap}
/* sections */
section{padding:100px 0}
.bg-grey{background:var(--grey)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:56px;flex-wrap:wrap}
.sec-head h2,.title{font-size:clamp(2rem,4vw,2.9rem)}
.title-bar{width:60px;height:4px;background:var(--cyan);margin:18px 0 0}
.center{text-align:center}.center .title-bar{margin:18px auto 0}
/* service grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{background:var(--white);padding:44px 34px;border-radius:var(--radius);border-bottom:4px solid transparent;box-shadow:0 6px 30px rgba(30,38,64,.06);transition:.3s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-8px);border-color:var(--cyan);box-shadow:0 20px 50px rgba(30,38,64,.14)}
.card .num{position:absolute;right:24px;top:18px;font-family:'Montserrat';font-weight:800;font-size:3.2rem;color:var(--grey)}
.icon{width:66px;height:66px;border-radius:var(--radius);background:var(--navy);display:grid;place-items:center;margin-bottom:26px;transition:.3s}
.icon svg{width:34px;height:34px;stroke:var(--cyan);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card:hover .icon{background:var(--cyan)}.card:hover .icon svg{stroke:var(--white)}
.card h3{font-size:1.25rem;margin-bottom:12px}
/* split / stats */
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.img-frame{position:relative}
.img-frame img{width:100%;height:460px;object-fit:cover;border-radius:var(--radius)}
.img-frame::after{content:"";position:absolute;left:-18px;bottom:-18px;width:60%;height:60%;border:4px solid var(--cyan);z-index:-1;border-radius:var(--radius)}
.stats{background:var(--navy);color:var(--white);padding:70px 0}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stats strong{display:block;font-family:'Montserrat';font-size:2.6rem;color:var(--cyan);font-weight:800}
.stats span{font-size:.9rem;letter-spacing:.1em;text-transform:uppercase;color:#c9d1e6}
.checks{list-style:none;margin:24px 0 32px}
.checks li{padding-left:34px;position:relative;margin-bottom:10px}
.checks li::before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:700}
/* sectors / CTA */
.sectors{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:50px}
.sector{border:1px solid #dfe4ee;padding:34px 20px;text-align:center;font-family:'Montserrat';font-weight:700;color:var(--navy);letter-spacing:.06em;text-transform:uppercase;font-size:.85rem;transition:.3s;background:var(--white)}
.sector:hover{border-color:var(--cyan);color:var(--cyan)}
.cta{position:relative;color:var(--white);background:url(../images/workshop.jpg) center/cover fixed;text-align:center}
.cta::before{content:"";position:absolute;inset:0;background:rgba(30,38,64,.88)}
.cta .container{position:relative}
.cta h2{color:var(--white);font-size:clamp(2rem,4vw,3rem);margin-bottom:16px}
.cta p{color:#d6dcec;max-width:620px;margin:0 auto 34px;font-size:1.1rem}
/* page banner */
.banner{position:relative;padding:130px 0 110px;color:var(--white);background:center/cover no-repeat}
.banner::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(21,27,46,.94),rgba(30,38,64,.6))}
.banner .container{position:relative}
.banner h1{color:var(--white);font-size:clamp(2.6rem,6vw,4rem)}
.crumbs{margin-top:12px;color:#c9d1e6;font-size:.95rem}.crumbs a{color:var(--cyan)}
/* service rows */
.svc{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;padding:60px 0;border-bottom:1px solid #e6eaf2}
.svc:last-child{border:0}
.svc.rev .svc-img{order:2}
.svc-img img{width:100%;height:400px;object-fit:cover;border-radius:var(--radius);box-shadow:0 20px 50px rgba(30,38,64,.15)}
.svc h2{font-size:2rem;margin:6px 0 16px}
.svc .tag{font-family:'Montserrat';font-weight:800;color:var(--cyan);letter-spacing:.2em;font-size:.8rem}
/* contact */
.contact-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:60px}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
form input,form textarea{width:100%;padding:16px 18px;border:1px solid #dfe4ee;background:var(--grey);font:inherit;color:var(--navy);border-radius:var(--radius);margin-bottom:20px;transition:.2s}
form input:focus,form textarea:focus{outline:0;border-color:var(--cyan);background:var(--white);box-shadow:0 0 0 3px rgba(0,180,216,.15)}
form textarea{min-height:170px;resize:vertical}
.form-msg{margin-top:16px;font-weight:500;color:var(--cyan-d)}
.info-box{background:var(--navy);color:#d6dcec;padding:46px 40px;border-radius:var(--radius)}
.info-box h3{color:var(--white);font-size:1.6rem;margin-bottom:30px}
.info-item{display:flex;gap:18px;margin-bottom:28px}
.info-item .icon{width:50px;height:50px;margin:0;flex:none;background:rgba(0,180,216,.15)}
.info-item .icon svg{width:24px;height:24px}
.info-item b{display:block;color:var(--white);font-family:'Montserrat';letter-spacing:.05em}
.info-item a:hover{color:var(--cyan)}
.map iframe{width:100%;height:460px;border:0;display:block;filter:grayscale(.2)}
/* footer */
footer{background:var(--navy);color:#b7c0d8;padding:80px 0 0;font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:50px;padding-bottom:60px}
.foot-logo{background:var(--white);padding:12px 16px;border-radius:var(--radius);display:inline-block;margin-bottom:22px}
.foot-logo img{height:56px}
footer h4{color:var(--white);font-size:1rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:22px}
footer h4::after{content:"";display:block;width:34px;height:3px;background:var(--cyan);margin-top:10px}
footer ul{list-style:none}footer li{margin-bottom:10px}
footer a:hover{color:var(--cyan)}
.copy{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center;font-size:.85rem}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
/* responsive */
@media(max-width:980px){
 .grid,.sectors{grid-template-columns:1fr 1fr}
 .split,.svc,.contact-grid{grid-template-columns:1fr;gap:40px}
 .svc.rev .svc-img{order:0}
 .foot-grid{grid-template-columns:1fr 1fr}
 .stats .container{grid-template-columns:1fr 1fr}
 .menu-btn{display:block}
 nav{position:absolute;top:100%;left:0;right:0;background:var(--white);display:none;box-shadow:0 10px 20px rgba(0,0,0,.08)}
 nav.open{display:block}
 nav ul{flex-direction:column;padding:10px 4%}
}
@media(max-width:620px){
 .grid,.sectors,.foot-grid,form .row,.badges{grid-template-columns:1fr}
 .topbar .container{justify-content:center;gap:14px}
 .brand img{height:48px}
 section{padding:70px 0}
 .cta{background-attachment:scroll}
}