@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
:root{--ink:#17221f;--navy:#13168A;--green:#17333a;--paper:#17333a;--white:#17333a;--line:#17333a;--muted:#17333a;--accent:#17333a}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:Inter,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.65}a{color:inherit}img{max-width:100%;display:block}.topline{height:6px;background:var(--green)}.utility{border-bottom:1px solid var(--line);font:12px/1.4 Arial,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:#5b625d}.utility .wrap{display:flex;justify-content:flex-end;gap:24px;padding:7px 0}.wrap{width:min(1120px,92%);margin:auto}.header{background:#fff;border-bottom:3px double var(--line)}.brandrow{display:flex;align-items:center;justify-content:space-between;padding:24px 0 18px}.brand{font-weight:700;letter-spacing:.14em;font:700 30px/1 Inter,Segoe UI,Arial,sans-serif}.brand small{display:block;font:11px/1.4 Arial,sans-serif;letter-spacing:.23em;margin-top:8px;color:var(--muted)}nav ul{list-style:none;display:flex;margin:0;padding:0;gap:0}nav a{display:block;text-decoration:none;padding:10px 17px;border-left:1px solid var(--line);font:bold 12px/1 Arial,sans-serif;letter-spacing:.1em;text-transform:uppercase}nav a:hover,nav a.active{background:var(--green);color:white}.hero{min-height:480px;display:grid;grid-template-columns:1.1fr .9fr;background:var(--navy);color:#f7f4eb}.hero-copy{padding:76px 7vw 68px 0}.eyebrow{font:700 11px/1.3 Arial,sans-serif;letter-spacing:.18em;text-transform:uppercase;color:#9bd0bf}.hero h1{font-size:56px;line-height:1.04;font-weight:700;margin:18px 0 20px}.hero p{font-size:19px;max-width:660px;color:#e6e4dc}.hero-media{min-height:480px;background:url('c3s-industrial.jpg') center/cover no-repeat;filter:saturate(.9)}.rule{border-top:1px solid var(--line);margin:36px 0}.section{padding:70px 0}.section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:36px}.section h2{font-size:36px;font-weight:700;line-height:1.1;margin:0}.section-intro{max-width:650px;color:var(--muted);margin:0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.service{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;min-height:230px}.service .num{font:700 12px/1 Arial,sans-serif;color:var(--accent);letter-spacing:.12em}.service h3{font-size:21px;font-weight:700;margin:12px 0 10px}.service p{margin:0;color:var(--muted);font-size:15px}.service a{display:inline-block;margin-top:18px;font:bold 11px/1 Arial,sans-serif;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;border-bottom:1px solid var(--green);padding-bottom:4px}.band{background:#f7f9f8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:70px}.facts{border-top:1px solid var(--line)}.fact{display:grid;grid-template-columns:80px 1fr;padding:17px 0;border-bottom:1px solid var(--line)}.fact strong{font:700 12px/1.3 Arial,sans-serif;letter-spacing:.1em}.quote{font-size:25px;line-height:1.45;font-weight:600;margin:0}.page-hero{background:var(--navy);color:white;padding:58px 0;border-bottom:3px solid var(--green)}.page-hero h1{font-size:46px;font-weight:700;margin:0 0 10px}.page-hero p{max-width:720px;margin:0;color:#e6e4dc;font-size:18px}.detail-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.detail-list li{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px}.contact-box{border-top:4px solid var(--green);padding:24px;background:#fff;border-bottom:1px solid var(--line)}.contact-box h3{font-size:22px;font-weight:700;margin-top:0}.contact-line{padding:12px 0;border-bottom:1px solid #d5d0c4}.contact-line:last-child{border-bottom:0}.contact-line b{display:block;font:700 11px/1.2 Arial,sans-serif;letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px;color:var(--muted)}.map{height:470px;border:1px solid var(--line);background:#ddd}.map iframe{width:100%;height:100%;border:0}.footer{background:var(--navy);color:#e8e5dc;border-top:5px solid var(--green);padding:38px 0}.footer-grid{display:flex;justify-content:space-between;gap:40px}.footer small{font:12px/1.5 Arial,sans-serif;color:#c7c4bb}.button{display:inline-block;text-decoration:none;background:var(--green);color:#fff;padding:12px 20px;border:1px solid #1b4031;font:bold 11px/1 Arial,sans-serif;letter-spacing:.12em;text-transform:uppercase}.button.alt{background:transparent;color:inherit;border-color:currentColor}.breadcrumbs{font:11px/1.3 Arial,sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:20px}.service-detail{display:grid;grid-template-columns:120px 1fr;gap:35px;border-top:1px solid var(--line);padding:30px 0}.service-detail .num{font:700 14px/1 Arial,sans-serif;color:var(--accent)}.service-detail h2{font-size:28px;font-weight:700;margin:0 0 8px}.service-detail p{max-width:780px;color:var(--muted)}
@media(max-width:800px){.brandrow{display:block}.brand{margin-bottom:18px}nav ul{flex-wrap:wrap}nav a{padding:9px 11px}.hero{grid-template-columns:1fr}.hero-copy{padding:55px 0}.hero-media{min-height:280px}.hero h1{font-size:44px}.grid-3,.two-col,.contact-grid{grid-template-columns:1fr}.section{padding:50px 0}.section-head{display:block}.section-intro{margin-top:15px}.footer-grid{display:block}.footer-grid>div+div{margin-top:20px}.service-detail{grid-template-columns:1fr;gap:8px}}

/* C3S animated logo — raised and prominent; the SVG contains the tagline */
.brand{display:block;width:350px;height:165px;position:relative;overflow:hidden;flex:0 0 350px;letter-spacing:0;text-indent:-9999px;margin-top:0}
.logo-frame{display:block;position:absolute;left:0;top:0;width:350px;height:165px;overflow:hidden}
.site-logo{display:block;width:350px;height:350px;max-width:none;position:absolute;left:0;top:-95px;object-fit:fill}
.footer-brand{width:330px;height:165px;flex:0 0 330px;overflow:hidden;position:relative;margin-top:-6px;background:#fff}
.footer-logo-frame{display:block;width:330px;height:165px;overflow:hidden;position:absolute;left:0;top:0}
.footer-logo{display:block;width:330px;height:330px;max-width:none;position:absolute;left:0;top:-90px;object-fit:fill}
.footer-brand a{display:block;width:100%;height:100%}
@media(max-width:800px){
 .brand{width:280px;height:150px;flex-basis:280px;margin-bottom:12px}.logo-frame{width:280px;height:150px}.site-logo{width:280px;height:280px;top:-76px}
 .footer-brand{width:280px;height:145px;flex-basis:280px}.footer-logo-frame{width:280px;height:145px}.footer-logo{width:280px;height:280px;top:-76px}
}