/* Cobtrex Engineering — minimal theme
   Colours taken from the Cobtrex product catalogue */
:root{
  --navy:#2E3092;
  --navy-dark:#1F2170;
  --red:#ED1C24;
  --green:#00A651;
  --ink:#231F20;
  --text:#4a4b57;
  --muted:#8a8b97;
  --line:#e6e7ef;
  --soft:#f5f6fb;
  --white:#fff;
  --radius:10px;
  --wrap:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Montserrat",system-ui,sans-serif;color:var(--text);background:var(--white);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;font-weight:700}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* Small uppercase label, nod to the condensed type on the catalogue */
.eyebrow{font-family:"Oswald",sans-serif;text-transform:uppercase;letter-spacing:.14em;font-size:13px;color:var(--red);font-weight:500;display:inline-block;margin-bottom:14px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:999px;font-weight:600;font-size:15px;transition:background .2s,color .2s,border-color .2s}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--red)}
.btn-ghost{border:1.5px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--navy);color:var(--navy)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--red);color:#fff}

/* Top bar — navy band with red stripe, as on the catalogue cover */
.topbar{background:var(--navy);color:#d7d8f0;font-size:13px;border-bottom:4px solid var(--red)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:9px;padding-bottom:9px;flex-wrap:wrap}
.topbar a:hover{color:#fff}
.topbar .tagline{font-style:italic}
.topbar .links{display:flex;gap:22px;flex-wrap:wrap}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:84px}
.brand{display:flex;align-items:center;gap:12px}
.brand svg{width:48px;height:48px;flex:none}
.brand-name{display:flex;flex-direction:column;line-height:1.1}
.brand-name strong{color:var(--navy);font-size:19px;letter-spacing:.02em;font-weight:700}
.brand-name small{color:var(--green);font-size:11.5px;font-weight:500;letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:34px}
.nav a{font-weight:500;font-size:15px;color:var(--ink);position:relative;padding:6px 0}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--red);transition:width .2s}
.nav a:hover::after,.nav a.active::after{width:100%}
.nav a.active{color:var(--navy)}
.nav .btn{padding:11px 22px;font-size:14px;color:#fff}
.nav .btn:hover,.nav .btn.active{color:#fff}
.nav .btn::after{display:none}
.nav-toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px auto;transition:.2s}

/* Hero */
.hero{padding:90px 0 100px;background:linear-gradient(180deg,#fff 0%,var(--soft) 100%);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(36px,5vw,58px);letter-spacing:-.02em;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--navy)}
.hero p{font-size:18px;max-width:520px;margin-bottom:34px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{position:relative;aspect-ratio:1/1;max-width:500px;justify-self:end;width:100%}
.hero-visual::before{content:"";position:absolute;inset:8%;border-radius:50%;background:#fff;box-shadow:0 30px 80px rgba(46,48,146,.12)}
.hero-visual::after{content:"";position:absolute;inset:0;border-radius:50%;border:1.5px dashed rgba(46,48,146,.18)}
.hero-visual img{position:absolute;object-fit:contain;mix-blend-mode:multiply}
.hero-visual .main{width:62%;left:19%;top:18%}
.hero-visual .a{width:28%;right:0;bottom:6%}
.hero-visual .b{width:24%;left:2%;bottom:10%}
.stats{display:flex;gap:44px;margin-top:52px;padding-top:30px;border-top:1px solid var(--line)}
.stats b{display:block;font-size:30px;color:var(--navy);line-height:1}
.stats span{font-size:13px;color:var(--muted)}

/* Page title (inner pages) */
.page-title{background:var(--navy);color:#fff;padding:70px 0 64px;position:relative;overflow:hidden}
.page-title::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--red)}
.page-title h1{color:#fff;font-size:clamp(32px,4vw,46px);margin-bottom:8px}
.page-title p{color:#c9cae9;max-width:620px}
.page-title .eyebrow{color:#fff;opacity:.7}

/* Sections */
section{padding:100px 0}
.section-head{max-width:640px;margin-bottom:56px}
.section-head h2{font-size:clamp(28px,3.4vw,40px);letter-spacing:-.01em;margin-bottom:14px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.bg-soft{background:var(--soft)}

/* Product / service cards */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(46,48,146,.10);border-color:transparent}
.card .thumb{height:210px;padding:24px;background:#fff}
.card .thumb img,.tile .thumb img,.split .media img{width:100%;height:100%;object-fit:contain}
.card .body{padding:22px 24px 26px;border-top:1px solid var(--line);flex:1}
.card h3{font-size:18px;margin-bottom:6px}
.card p{font-size:14.5px;color:var(--muted)}
.card .num{font-family:"Oswald",sans-serif;color:var(--red);font-size:13px;letter-spacing:.1em;display:block;margin-bottom:6px}

/* About split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.split .media{background:var(--soft);border-radius:var(--radius);aspect-ratio:5/4;display:grid;grid-template-columns:1fr 1fr;gap:2px;overflow:hidden}
.split .media div{background:#fff;padding:24px;min-height:0}
.split h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:20px}
.split p{margin-bottom:18px}
.checks{list-style:none;margin:26px 0 34px;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}
.checks li{padding-left:28px;position:relative;font-weight:500;color:var(--ink);font-size:15px}
.checks li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:50%;background:var(--green);box-shadow:inset 0 0 0 4px #d6f2e3}

/* Values */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.values h3{font-size:19px;margin:16px 0 8px}
.values .ic{width:46px;height:46px;border-radius:50%;background:var(--soft);display:grid;place-items:center;color:var(--navy)}
.values .ic svg{width:22px;height:22px}

/* Product category list (products page) */
.category{padding:70px 0;border-bottom:1px solid var(--line)}
.category:last-child{border-bottom:0}
.category-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:34px;flex-wrap:wrap}
.category-head h2{font-size:30px}
.category-head p{max-width:520px;color:var(--muted)}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tile{border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.tile .thumb{aspect-ratio:1/1;padding:22px}
.tiles{list-style:none}
.tile h3{padding:12px 16px;border-top:1px solid var(--line);font-size:14px;font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chips{list-style:none}
.chips li{border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13.5px;background:#fff}
.jump{position:sticky;top:84px;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.jump .wrap{display:flex;gap:28px;overflow-x:auto;padding-top:16px;padding-bottom:16px;scrollbar-width:none}
.jump a{white-space:nowrap;font-size:14px;font-weight:500;color:var(--muted)}
.jump a:hover{color:var(--navy)}

/* CTA */
.cta{background:var(--navy);color:#fff;padding:80px 0;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;border:60px solid rgba(237,28,36,.9);opacity:.9}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;position:relative}
.cta h2{color:#fff;font-size:clamp(26px,3vw,36px);max-width:620px}
.cta p{color:#c9cae9;margin-top:10px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px}
.info-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.info-item:first-child{padding-top:0}
.info-item .ic{flex:none;width:44px;height:44px;border-radius:50%;background:var(--soft);color:var(--navy);display:grid;place-items:center}
.info-item .ic svg{width:20px;height:20px}
.info-item h2{font-size:15px;margin-bottom:4px}
address{font-style:normal}
.info-item p,.info-item a{font-size:15px}
.info-item a:hover{color:var(--navy)}
.form{background:var(--soft);border-radius:var(--radius);padding:40px}
.form h2{font-size:24px;margin-bottom:24px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.form input,.form textarea,.form select{width:100%;font:inherit;font-size:15px;padding:13px 16px;border:1px solid var(--line);border-radius:8px;background:#fff;margin-bottom:16px;color:var(--ink)}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--navy);outline-offset:-1px;border-color:transparent}
.form textarea{min-height:140px;resize:vertical}
.map{margin-top:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);height:380px}
.map iframe{width:100%;height:100%;border:0;filter:grayscale(.3)}

/* Footer */
.footer{background:var(--ink);color:#a9aab4;font-size:14.5px;padding:70px 0 0;position:relative}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--navy) 0 70%,var(--red) 70% 100%)}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:50px}
.footer .foot-h{color:#fff;font-size:15px;margin-bottom:18px}
.footer .mt{margin-top:10px}
.footer ul{list-style:none}
.footer li{margin-bottom:9px}
.footer a:hover{color:#fff}
.footer .brand-name strong{color:#fff}
.footer .brand svg circle.ring{stroke:#fff}
.footer .brand svg text{fill:#fff}
.footer .brand svg circle.dot{fill:#fff}
.footer .about{margin-top:18px;max-width:300px}
.footer .bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}
.footer .bottom em{color:#fff}

/* Accessibility & misc */
.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:16px;top:16px}
.pt0{padding-top:0}
.categories{padding-top:20px;padding-bottom:40px}
.actions-row{display:flex;gap:14px;flex-wrap:wrap}

/* FAQ */
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 52px 18px 22px;font-weight:600;color:var(--ink);position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--red);font-size:22px;font-weight:500}
.faq-item[open] summary::after{content:"‘2"}
.faq-item p{padding:0 22px 20px;font-size:15px}

/* Responsive */
@media (max-width:1024px){
  .grid-4,.tiles{grid-template-columns:repeat(3,1fr)}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  section{padding:72px 0}
  .nav-toggle{display:block}
  .nav{position:absolute;top:84px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:10px 24px 24px;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a{padding:12px 0;width:100%}
  .nav .btn{margin-top:10px;width:auto}
  .hero{padding:60px 0 70px}
  .hero .wrap,.split,.contact-grid,.faq{grid-template-columns:1fr;gap:44px}
  .hero-visual{justify-self:center;max-width:380px}
  .grid-3,.values{grid-template-columns:1fr 1fr}
  .grid-4,.tiles{grid-template-columns:1fr 1fr}
  .topbar .tagline{display:none}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  .grid-3,.grid-4,.values,.footer .cols,.form .row,.checks{grid-template-columns:1fr}
  .tiles{gap:12px}
  .brand-name strong{font-size:15px}
  .brand svg{width:40px;height:40px}
  .header .wrap{height:72px}
  .nav{top:72px}
  .jump{top:72px}
  .card .thumb{height:180px}
  .stats{gap:26px}
  .form{padding:26px}
  .brand-name small{display:none}
  .topbar .links{gap:14px}
}