:root{--ink:#111820;--steel:#27313a;--muted:#6d7780;--line:#dce1e5;--bg:#f5f6f7;--white:#fff;--accent:#d48b22;--accent2:#f0b04f}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--white);line-height:1.6}a{color:inherit;text-decoration:none}.container{width:min(1160px,92%);margin:auto}
.top{background:#0c1116;color:#cbd1d6;font-size:13px;padding:8px 0}.top .container{display:flex;justify-content:space-between;gap:20px}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{font-weight:900;letter-spacing:.12em;font-size:22px}.brand small{display:block;font-size:9px;letter-spacing:.18em;color:var(--muted);margin-top:-4px}nav ul{list-style:none;display:flex;gap:25px;margin:0;padding:0;font-size:14px;font-weight:700}nav li a:hover{color:var(--accent)}.navcta{background:var(--ink);color:#fff;padding:12px 18px;border-radius:4px}
.hero{background:linear-gradient(110deg,#0e141a 0%,#202b34 70%,#33414b 100%);color:#fff;padding:105px 0 95px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;right:-130px;top:-180px;width:540px;height:540px;border:90px solid rgba(255,255,255,.035);border-radius:50%}.eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent2);font-weight:800}.hero h1{font-size:clamp(42px,7vw,78px);line-height:.98;max-width:850px;margin:16px 0 24px;letter-spacing:-.035em}.hero p{font-size:19px;color:#d8dde1;max-width:720px}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-block;padding:14px 22px;border-radius:4px;font-weight:800;font-size:14px;border:1px solid transparent}.btn.primary{background:var(--accent);color:#111}.btn.light{border-color:#73808a;color:#fff}.section{padding:82px 0}.section.alt{background:var(--bg)}.section h2{font-size:38px;line-height:1.1;margin:8px 0 14px;letter-spacing:-.025em}.lead{color:var(--muted);max-width:750px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:38px}.card{border:1px solid var(--line);padding:26px;background:#fff;min-height:210px;transition:.2s}.card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(10,20,30,.08)}.card .num{font-size:12px;color:var(--accent);font-weight:900;letter-spacing:.12em}.card h3{font-size:20px;margin:14px 0 8px}.card p{color:var(--muted);font-size:14px}.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.dark{background:#12191f;color:#fff}.dark .lead{color:#b9c1c7}.capgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:#48535c;margin-top:32px}.cap{background:#12191f;padding:28px}.cap h3{margin:0 0 6px}.cap p{color:#b9c1c7;margin:0;font-size:14px}.industries{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:35px}.industry{background:#fff;padding:28px}.industry h3{margin:0 0 8px}.industry p{color:var(--muted);font-size:14px}.quote{background:#e9edf0}.form{background:#fff;border:1px solid var(--line);padding:30px;margin-top:35px}.fields{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field label{display:block;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}.field input,.field textarea,.field select{width:100%;padding:13px;border:1px solid #cfd6db;border-radius:3px;font:inherit}.field textarea{min-height:120px;resize:vertical}.full{grid-column:1/-1}.note{font-size:12px;color:var(--muted);margin-top:12px}
footer{background:#0c1116;color:#b8c0c6;padding:45px 0 25px}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footerbrand{color:#fff;font-weight:900;font-size:21px;letter-spacing:.12em}.footergrid h4{color:#fff;margin-top:0}.copyright{border-top:1px solid #273038;margin-top:35px;padding-top:18px;font-size:12px}
.mobile{display:none}
@media(max-width:900px){nav ul{display:none}.mobile{display:block}.grid{grid-template-columns:repeat(2,1fr)}.industries{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr;gap:30px}.footergrid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.top{display:none}nav{height:68px}.brand{font-size:18px}.hero{padding:72px 0}.hero h1{font-size:44px}.section{padding:60px 0}.grid,.industries,.capgrid,.fields,.footergrid{grid-template-columns:1fr}.card{min-height:0}}

/* Premco logo and contact buttons */
.brand-logo{display:inline-flex;align-items:center;text-decoration:none;max-width:210px}
.brand-logo img{display:block;width:100%;height:auto;max-width:210px}
.premco-contact-buttons{position:fixed;right:16px;bottom:16px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.contact-btn{display:inline-flex;align-items:center;justify-content:center;min-width:132px;padding:11px 16px;border-radius:8px;text-decoration:none;font-weight:700;font-size:14px;box-shadow:0 5px 18px rgba(0,0,0,.18)}
.whatsapp-btn{background:#25D366;color:#fff}.phone-btn{background:#0f1a24;color:#fff}.email-btn{background:#e59a22;color:#111}
.footer-contact{margin-top:20px;line-height:1.8}.footer-contact a{color:inherit}
@media(max-width:640px){.brand-logo,.brand-logo img{max-width:150px}.premco-contact-buttons{right:10px;bottom:10px}.contact-btn{min-width:112px;padding:10px 12px;font-size:13px}}
/* Visual product and mobile navigation upgrade */
.menu-toggle{background:none;border:0;font-size:30px;line-height:1;cursor:pointer;padding:6px;color:inherit}
.mobile-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#0f1820;color:#fff;padding:14px 18px 20px;box-shadow:0 16px 30px rgba(0,0,0,.2);z-index:1000}
.mobile-menu.open{display:block}
.menu-group{border-bottom:1px solid rgba(255,255,255,.12)}
.menu-heading{width:100%;display:flex;justify-content:space-between;align-items:center;background:none;border:0;color:#fff;padding:16px 4px;font-weight:800;letter-spacing:.08em;text-align:left;cursor:pointer}
.submenu{display:none;padding:0 0 10px 8px}.menu-group.open .submenu{display:block}.menu-group.open .menu-heading span{transform:rotate(45deg)}
.submenu a,.mobile-menu-link{display:block;color:#dce3e8;text-decoration:none;padding:10px 4px;font-size:15px}.submenu a:hover,.mobile-menu-link:hover{color:#e7a32c}
.mobile-menu-link{padding:16px 4px;font-weight:800;letter-spacing:.08em}.mobile-menu-quote{display:block;text-align:center;background:#e7a32c;color:#111;text-decoration:none;font-weight:800;padding:14px;border-radius:7px;margin-top:10px}
.photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.photo-card{position:relative;min-height:330px;overflow:hidden;border-radius:10px;background:#111;box-shadow:0 8px 28px rgba(0,0,0,.12)}
.photo-card img{width:100%;height:100%;min-height:330px;object-fit:cover;display:block;transition:transform .45s ease}.photo-card:hover img{transform:scale(1.05)}
.photo-overlay{position:absolute;inset:auto 0 0 0;padding:20px 18px 18px;background:linear-gradient(transparent,rgba(5,10,14,.94));color:#fff}.photo-overlay span{font-size:12px;font-weight:800;letter-spacing:.15em;color:#e7a32c}.photo-overlay h3{margin:6px 0;font-size:20px}.photo-overlay p{margin:0;font-size:14px;line-height:1.5;color:#e4e9ed}
.industry-photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}.industry-photo{position:relative;overflow:hidden;min-height:280px;border-radius:10px;background:#111}.industry-photo img{width:100%;height:100%;min-height:280px;object-fit:cover;display:block}.industry-photo>div{position:absolute;inset:auto 0 0;padding:20px;background:linear-gradient(transparent,rgba(0,0,0,.9));color:#fff}.industry-photo h3{margin:0 0 5px}.industry-photo p{margin:0;font-size:14px;line-height:1.45}
.photo-credit{font-size:11px;color:#66717a;max-width:1100px;margin:22px auto 0;padding:0 24px;line-height:1.5}
@media(max-width:900px){.photo-grid{grid-template-columns:repeat(2,1fr)}.industry-photo-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.desktop-links,.navcta{display:none}.mobile-menu{position:absolute}.photo-grid,.industry-photo-grid{grid-template-columns:1fr}.photo-card,.photo-card img,.industry-photo,.industry-photo img{min-height:300px}}