:root{
  --navy:#0b2f68;
  --navy-dark:#071d3f;
  --gold:#c28f2c;
  --ink:#17202a;
  --muted:#667085;
  --paper:#f7f8fa;
  --white:#ffffff;
  --line:#e3e7ee;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.topbar{background:var(--navy-dark);color:#e9eef7;font-size:.88rem}
.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:9px 0}
.navbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(16,24,40,.08)}
.nav{height:82px;display:flex;align-items:center;justify-content:space-between}
.brand img{width:235px;height:auto}
.navlinks{display:flex;align-items:center;gap:28px;font-weight:650;font-size:.92rem}
.navlinks a:hover{color:var(--gold)}
.nav-cta,.btn-primary{background:var(--gold);color:white;padding:13px 20px;font-weight:800;border-radius:3px;display:inline-flex;align-items:center;gap:8px}
.btn-secondary{border:1px solid rgba(255,255,255,.7);color:#fff;padding:12px 20px;font-weight:800;border-radius:3px;display:inline-flex}
.menu-btn{display:none;border:0;background:none;font-size:1.6rem}

.hero{
  min-height:690px;display:flex;align-items:center;color:white;position:relative;overflow:hidden;
  background:
    linear-gradient(90deg,rgba(6,19,43,.92) 0%,rgba(6,19,43,.72) 42%,rgba(6,19,43,.2) 72%,rgba(6,19,43,.08) 100%),
    radial-gradient(circle at 78% 55%,rgba(194,143,44,.28),transparent 20%),
    linear-gradient(135deg,#13243b 0%,#314057 38%,#675f50 65%,#273448 100%);
}
.hero:before{
  content:"";position:absolute;inset:0;opacity:.28;
  background-image:
    linear-gradient(25deg,transparent 40%,rgba(255,255,255,.09) 41%,transparent 42%),
    linear-gradient(155deg,transparent 55%,rgba(255,255,255,.06) 56%,transparent 57%);
  background-size:120px 90px,170px 120px;
}
.hero .container{position:relative;z-index:1}
.eyebrow{font-size:.78rem;letter-spacing:.18em;font-weight:850;color:#d7a744;text-transform:uppercase;margin-bottom:14px}
.hero h1{font-size:clamp(3rem,7vw,5.8rem);line-height:.98;margin:0 0 25px;max-width:820px;letter-spacing:-.045em}
.hero h1 span{color:#d7a744}
.hero p{font-size:1.12rem;max-width:650px;color:#e7edf6;margin:0 0 31px}
.actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-strip{position:absolute;left:0;right:0;bottom:0;background:rgba(7,29,63,.96);z-index:2}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.strip-item{padding:20px 24px;border-right:1px solid rgba(255,255,255,.13)}
.strip-item:last-child{border-right:0}
.strip-item strong{display:block;color:#fff}
.strip-item span{font-size:.84rem;color:#cbd5e1}
.section{padding:92px 0}
.section.alt{background:var(--paper)}
.two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.section h2{font-size:clamp(2.1rem,4vw,3.3rem);line-height:1.08;margin:8px 0 22px;letter-spacing:-.025em;color:#0d1b2a}
.lead{font-size:1.08rem;color:#475467}
.panel{
  min-height:390px;border-radius:6px;position:relative;overflow:hidden;
  background:
   linear-gradient(0deg,rgba(7,29,63,.65),rgba(7,29,63,.05)),
   linear-gradient(135deg,#a8854e 0%,#767d72 32%,#4a5964 57%,#283b4d 100%);
  box-shadow:0 22px 55px rgba(15,23,42,.16);
}
.panel:after{
  content:"MINING • PROCESSING • RESPONSIBILITY";position:absolute;left:24px;bottom:20px;color:#fff;font-weight:800;letter-spacing:.09em;font-size:.79rem
}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.card{background:#fff;border:1px solid var(--line);padding:31px;border-radius:5px;box-shadow:0 12px 30px rgba(15,23,42,.05)}
.card .num{font-size:.78rem;font-weight:900;color:var(--gold);letter-spacing:.12em}
.card h3{font-size:1.25rem;margin:11px 0}
.card p{color:var(--muted);margin:0}
.commitment{background:var(--navy-dark);color:white}
.commitment h2{color:white}
.commitment .lead{color:#d2dae6}
.commit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);margin-top:40px}
.commit{background:var(--navy-dark);padding:30px}
.commit b{display:block;color:#d7a744;margin-bottom:8px}
.leadership{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:34px}
.person{border-left:4px solid var(--gold);padding:23px 25px;background:#fff;box-shadow:0 8px 30px rgba(15,23,42,.07)}
.person small{display:block;color:var(--gold);font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.person h3{margin:4px 0 0;font-size:1.3rem}
.cta{padding:65px 0;background:linear-gradient(120deg,var(--navy),var(--navy-dark));color:#fff}
.cta-row{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{color:#fff;margin:0 0 6px}
.footer{background:#06152f;color:#aebbd0;padding:60px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px}
.footer img{width:220px;filter:brightness(0) invert(1);opacity:.95}
.footer h4{color:white;margin-top:0}
.footer a{display:block;margin:7px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:22px;font-size:.86rem}
.page-hero{padding:110px 0 80px;background:linear-gradient(115deg,var(--navy-dark),var(--navy));color:white}
.page-hero h1{font-size:3.7rem;margin:8px 0 12px;line-height:1}
.page-hero p{max-width:680px;color:#d5deeb;font-size:1.08rem}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px}
.contact-box{background:var(--navy-dark);color:white;padding:38px;border-radius:5px}
.contact-box h3{margin-top:0}
.field{margin-bottom:16px}
.field label{display:block;font-size:.84rem;font-weight:800;margin-bottom:6px}
.field input,.field textarea{width:100%;padding:13px 14px;border:1px solid #ccd4df;border-radius:3px;font:inherit}
.field textarea{min-height:130px;resize:vertical}
.notice{font-size:.85rem;color:#667085;margin-top:10px}
@media(max-width:900px){
  .navlinks{display:none;position:absolute;top:82px;left:0;right:0;background:white;padding:20px 30px;box-shadow:0 12px 25px rgba(0,0,0,.08);flex-direction:column;align-items:flex-start}
  .navlinks.open{display:flex}
  .menu-btn{display:block}
  .hero{min-height:740px;padding-bottom:170px}
  .strip-grid{grid-template-columns:1fr 1fr}
  .strip-item:nth-child(2){border-right:0}
  .two-col,.contact-grid{grid-template-columns:1fr;gap:35px}
  .cards{grid-template-columns:1fr}
  .commit-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .container{width:min(100% - 28px,var(--max))}
  .topbar .container{flex-direction:column;gap:0}
  .brand img{width:195px}
  .hero h1{font-size:3.1rem}
  .strip-grid,.commit-grid,.leadership,.footer-grid{grid-template-columns:1fr}
  .strip-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.13)}
  .cta-row{align-items:flex-start;flex-direction:column}
  .page-hero h1{font-size:2.7rem}
}


/* 2026 refinement: restrained corporate styling */
body{background:#fff}
.section{padding:84px 0}
.section h2{max-width:760px}
.cards{gap:18px}
.card{
  box-shadow:none;
  border:0;
  border-top:3px solid var(--navy);
  border-radius:0;
  padding:28px 24px 26px;
  background:#fff;
}
.card:hover{transform:none}
.commit-grid{
  background:transparent;
  gap:22px;
}
.commit{
  border-top:1px solid rgba(255,255,255,.18);
  padding:24px 0 0;
  background:transparent;
}
.leadership{
  grid-template-columns:1fr 1fr;
  max-width:900px;
}
.person{
  box-shadow:none;
  border:1px solid var(--line);
  border-left:4px solid var(--gold);
  border-radius:0;
}
.hero{
  min-height:660px;
}
.hero h1{
  max-width:760px;
  font-weight:800;
}
.eyebrow{
  letter-spacing:.12em;
}
.navlinks{
  gap:24px;
}
.footer{
  padding-top:52px;
}