:root{
  --ink:#0f172a; --slate:#334155; --muted:#64748b; --line:#e2e8f0;
  --steel:#1e3a5f; --accent:#d97706; --accent2:#f59e0b;
  --bg:#ffffff; --bg2:#f8fafc; --dark:#0b1526;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:var(--slate);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--steel);text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;font-weight:700}

/* top contact bar */
.topbar{background:var(--dark);color:#cbd5e1;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:34px;flex-wrap:wrap}
.topbar a{color:#cbd5e1}
.topbar a:hover{color:#fff}
.topbar .contact{display:flex;gap:18px;flex-wrap:wrap}

/* nav */
header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.logo span{color:var(--accent)}
nav ul{display:flex;gap:22px;list-style:none;flex-wrap:wrap}
nav a{font-size:14.5px;font-weight:500;color:var(--slate)}
nav a:hover{color:var(--accent)}
nav a.active{color:var(--accent);font-weight:600}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:10px 20px;border-radius:6px;font-weight:600;font-size:14.5px;transition:background .2s}
.btn:hover{background:var(--accent2);color:#fff}
.btn-ghost{border:1.5px solid var(--accent);color:var(--accent);background:transparent}
.btn-ghost:hover{background:var(--accent);color:#fff}

/* hero (home) */
.hero{background:linear-gradient(135deg,#0b1526 0%,#1e3a5f 100%);color:#fff;padding:88px 0}
.hero .tag{color:var(--accent2);text-transform:uppercase;letter-spacing:2px;font-size:13px;font-weight:700;margin-bottom:14px}
.hero h1{color:#fff;font-size:52px;margin-bottom:18px}
.hero p{color:#cbd5e1;font-size:18px;max-width:640px;margin-bottom:28px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}

/* inner page hero */
.page-hero{background:linear-gradient(135deg,#0b1526 0%,#1e3a5f 100%);color:#fff;padding:56px 0}
.page-hero h1{color:#fff;font-size:38px;margin-bottom:10px}
.page-hero p{color:#cbd5e1;font-size:17px;max-width:720px}

/* stats */
.stats{background:var(--bg2);border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:36px;padding-bottom:36px;text-align:center}
.stat .num{font-size:34px;font-weight:800;color:var(--steel)}
.stat .lbl{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.stats-note{font-size:12px;color:var(--muted);text-align:center;padding-bottom:10px}

/* sections */
section{padding:72px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
.sec-head .kicker{color:var(--accent);text-transform:uppercase;letter-spacing:2px;font-size:12.5px;font-weight:700;margin-bottom:10px}
.sec-head h2{font-size:34px;margin-bottom:12px}
.sec-head p{color:var(--muted)}
.sec-head.left{text-align:left;margin:0 0 32px}

/* cards grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 12px 30px rgba(15,23,42,.08);transform:translateY(-3px)}
.card .img{height:180px;background:#eef2f7;display:flex;align-items:center;justify-content:center;overflow:hidden}
.card .img img{width:100%;height:100%;object-fit:cover}
.card .body{padding:22px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted)}

/* industry tiles */
.ind{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ind .item{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:26px}
.ind .icon{width:48px;height:48px;border-radius:8px;background:var(--steel);color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:22px}
.ind h4{font-size:17px;margin-bottom:8px}
.ind p{font-size:14px;color:var(--muted)}

/* cta banner */
.cta-banner{background:linear-gradient(135deg,#1e3a5f,#0b1526);color:#fff;text-align:center;padding:64px 0}
.cta-banner h2{color:#fff;font-size:30px;max-width:640px;margin:0 auto 26px}

/* two-column */
.two{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:start}
.two img{border-radius:10px}

/* checklist */
.checks{list-style:none;margin-top:16px}
.checks li{padding:7px 0 7px 30px;position:relative;font-size:15px}
.checks li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}

/* product detail rows */
.prod-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:36px 0;border-bottom:1px solid var(--line)}
.prod-row:last-child{border-bottom:none}
.prod-row .pic{border-radius:10px;overflow:hidden;height:300px;background:#eef2f7}
.prod-row .pic img{width:100%;height:100%;object-fit:cover}
.prod-row h2{font-size:26px;margin-bottom:14px}
.prod-row.rev{direction:rtl}
.prod-row.rev>*{direction:ltr}
.prod-row ul{list-style:none;margin-top:12px}
.prod-row ul li{padding:6px 0 6px 26px;position:relative;font-size:14.5px;color:var(--muted)}
.prod-row ul li::before{content:"▸";position:absolute;left:0;color:var(--accent)}

/* equipment grid */
.photos{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}
.photos img{width:100%;height:200px;object-fit:cover;border-radius:10px}
.photos.two{grid-template-columns:repeat(2,1fr)}
.equip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.equip .item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px}
.equip h4{font-size:17px;margin-bottom:8px}
.equip p{font-size:14px;color:var(--muted)}
.equip .spec{font-size:13px;color:var(--steel);margin-top:8px;font-weight:500}

/* fastener cards */
.fas{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.fas .item{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.fas .pic{height:170px;background:#eef2f7;overflow:hidden}
.fas .pic img{width:100%;height:100%;object-fit:cover}
.fas .body{padding:20px}
.fas h3{font-size:17px;margin-bottom:8px}
.fas p{font-size:13.5px;color:var(--muted)}
.fas .std{font-size:12.5px;color:var(--accent);font-weight:600;margin-top:10px}

/* blog */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.post .body{padding:22px}
.post h3{font-size:18px;margin-bottom:10px}
.post p{font-size:14px;color:var(--muted);margin-bottom:14px}
.post .more{font-size:14px;color:var(--accent);font-weight:600}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:44px;align-items:start}
.info-box{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:28px}
.info-box h3{font-size:19px;margin-bottom:18px}
.info-box .row{display:flex;gap:12px;margin-bottom:16px;font-size:15px}
.info-box .row .ic{color:var(--accent);font-size:18px;line-height:1.4}
.map{border-radius:10px;overflow:hidden;border:1px solid var(--line);margin-top:22px;height:300px}
.map iframe{width:100%;height:100%;border:0}
form.quote{background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px}
form.quote label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:6px}
form.quote input,form.quote textarea,form.quote select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:6px;font-size:14.5px;font-family:inherit;margin-bottom:16px;background:#fff}
form.quote input:focus,form.quote textarea:focus{border-color:var(--accent);outline:none}
form.quote .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* footer */
footer{background:var(--dark);color:#94a3b8;padding:56px 0 24px;font-size:14px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:32px;border-bottom:1px solid #1e293b}
footer h4{color:#fff;font-size:15px;margin-bottom:16px}
footer ul{list-style:none}
footer li{margin-bottom:9px}
footer a{color:#94a3b8}
footer a:hover{color:#fff}
footer .brand{color:#fff;font-size:20px;font-weight:800;margin-bottom:12px}
footer .brand span{color:var(--accent)}
footer .copy{text-align:center;padding-top:22px;font-size:12.5px;color:#64748b}

@media(max-width:900px){
  .grid,.grid-4,.ind,.stats .wrap,.equip,.fas,.posts,.photos{grid-template-columns:repeat(2,1fr)}
  .two,.contact-grid{grid-template-columns:1fr}
  .prod-row{grid-template-columns:1fr}
  .hero h1{font-size:38px}
  .page-hero h1{font-size:30px}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .grid,.grid-4,.ind,.stats .wrap,footer .cols,.equip,.fas,.posts,.photos{grid-template-columns:1fr}
  nav ul{display:none}
  .hero h1{font-size:30px}
  form.quote .row2{grid-template-columns:1fr}
}