:root{
  --navy:#001f4e;
  --navy-2:#061529;
  --navy-3:#0b2b63;
  --gold:#c99700;
  --gold-2:#e0b028;
  --white:#ffffff;
  --soft:#f7f4eb;
  --ink:#1a2433;
  --muted:#657083;
  --line:rgba(201,151,0,.28);
  --shadow:0 18px 50px rgba(0,31,78,.16);
  --radius:22px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:106px}
body{font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
.container{width:min(1180px,92%);margin:auto}
.skip-link{position:absolute;left:-999px;top:12px;background:#fff;color:var(--navy);padding:10px 14px;border-radius:10px;z-index:999}
.skip-link:focus{left:12px}
.eyebrow{color:var(--gold);font-weight:900;text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;margin-bottom:10px}
.section{padding:86px 0}
.section-title{text-align:center;margin-bottom:42px}
.section-title h2{font-size:clamp(2rem,3.5vw,3.2rem);line-height:1.08;color:var(--navy);font-weight:950;letter-spacing:-.04em}
.section-title p{max-width:760px;margin:14px auto 0;color:var(--muted)}

.topbar{background:var(--navy-2);color:#fff;border-bottom:1px solid rgba(255,255,255,.08);font-size:.9rem}
.topbar__inner{display:flex;justify-content:space-between;gap:20px;padding:9px 0;align-items:center}
.topbar span{opacity:.92}.topbar strong{color:var(--gold-2)}.topbar a:hover{color:var(--gold-2)}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);box-shadow:0 10px 30px rgba(0,31,78,.08);transition:.25s}
.site-header.is-scrolled{box-shadow:0 14px 36px rgba(0,31,78,.14)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px 0;position:relative}
.logo img{height:66px;width:auto}
.menu{display:flex;align-items:center;gap:24px;color:var(--navy);font-weight:850;font-size:.96rem}
.menu a{position:relative;white-space:nowrap}
.menu a:after{content:"";position:absolute;height:3px;width:0;background:var(--gold);left:0;bottom:-8px;transition:.25s}
.menu a:hover:after,.menu a.is-active:after{width:100%}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--gold);color:var(--navy);padding:13px 20px;border-radius:999px;font-weight:950;border:2px solid var(--gold);box-shadow:0 12px 26px rgba(201,151,0,.24);transition:.25s;cursor:pointer}
.btn:hover{transform:translateY(-2px);background:var(--gold-2);border-color:var(--gold-2)}
.btn--outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.58);box-shadow:none}
.btn--outline:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.1)}
.mobile-toggle{display:none;background:var(--navy);color:#fff;border:none;border-radius:12px;padding:10px 13px;font-size:1.2rem;line-height:1}

.hero{position:relative;min-height:735px;color:#fff;display:flex;align-items:center;overflow:hidden;background:linear-gradient(115deg,rgba(0,31,78,.95),rgba(0,31,78,.72) 48%,rgba(6,21,41,.52)),url('assets/hero-mining.svg');background-size:cover;background-position:center}
.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 28%,rgba(224,176,40,.28),transparent 27%),linear-gradient(120deg,rgba(0,0,0,.45),transparent 62%)}
.hero:after{content:"";position:absolute;inset:auto 0 0 0;height:170px;background:linear-gradient(transparent,#fff)}
.hero__content{position:relative;z-index:2;max-width:820px;padding:90px 0 150px}
.hero h1{font-size:clamp(2.65rem,6vw,5.65rem);line-height:.98;font-weight:950;letter-spacing:-.058em;text-wrap:balance}
.hero h1 span{color:var(--gold-2)}
.hero__lead{font-size:1.15rem;margin:24px 0 32px;max-width:720px;color:rgba(255,255,255,.9)}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{position:absolute;z-index:3;left:50%;bottom:55px;transform:translateX(-50%);width:min(1180px,92%);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(6,21,41,.88);border:1px solid rgba(224,176,40,.34);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.badge{padding:20px 24px;display:flex;gap:14px;align-items:center;border-right:1px solid rgba(255,255,255,.11)}
.badge:last-child{border-right:0}
.badge i{font-style:normal;color:var(--gold-2);font-size:1.65rem}
.badge strong{display:block;font-size:.9rem;line-height:1.12}
.badge small{color:rgba(255,255,255,.68);font-weight:800;text-transform:uppercase;letter-spacing:.08em}

.services{background:#fff;margin-top:-20px;position:relative;z-index:5}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 12px 34px rgba(0,31,78,.08);transition:.25s;min-height:320px}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.icon{width:66px;height:66px;border-radius:20px;display:grid;place-items:center;background:linear-gradient(135deg,var(--gold),var(--gold-2));color:var(--navy);font-size:1.8rem;margin-bottom:20px;box-shadow:0 12px 24px rgba(201,151,0,.2)}
.card h3{color:var(--navy);font-size:1.25rem;line-height:1.15;margin-bottom:14px}
.card ul{padding-left:18px;color:var(--muted);font-size:.96rem}.card li{margin:7px 0}.card li::marker{color:var(--gold)}

.process{background:var(--soft);position:relative;overflow:hidden}
.process:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(201,151,0,.04) 0 1px,transparent 1px 16px)}
.process .container{position:relative;z-index:1}
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 12px 30px rgba(0,31,78,.07);position:relative}
.step-number{background:var(--navy);color:#fff;border-radius:14px;width:52px;height:52px;display:grid;place-items:center;font-weight:950;margin-bottom:18px;border:3px solid var(--gold)}
.step h3{color:var(--navy);font-size:1.2rem}.step p{color:var(--muted);margin-top:8px}
.step:not(:last-child):after{content:"→";position:absolute;right:-22px;top:43%;font-size:2rem;color:var(--gold);font-weight:900;z-index:2}

.why{background:#fff}
.why-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.why-item{padding:28px 20px;border-radius:var(--radius);background:linear-gradient(180deg,#fff,var(--soft));border:1px solid var(--line);text-align:center}
.why-item .icon{margin:0 auto 16px;width:58px;height:58px;font-size:1.55rem}.why-item h3{color:var(--navy);font-size:1.1rem;margin-bottom:8px}.why-item p{color:var(--muted);font-size:.94rem}

.responsible{background:#fff}
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.panel{background:var(--soft);border:1px solid var(--line);border-radius:30px;padding:34px;box-shadow:0 12px 30px rgba(0,31,78,.07)}
.panel h2{font-size:clamp(2rem,3vw,3.2rem);line-height:1.05;color:var(--navy);margin:10px 0 18px;letter-spacing:-.04em}.panel p{color:var(--muted);margin-bottom:18px}
.check{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}.check div{background:#fff;border-radius:18px;padding:16px;border:1px solid var(--line);font-weight:800;color:var(--navy)}.check span{color:var(--gold);margin-right:8px}
.trade-box{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border-radius:30px;padding:38px;border:1px solid rgba(224,176,40,.3);box-shadow:var(--shadow)}
.trade-box h3{font-size:1.6rem;color:var(--gold-2);margin-bottom:18px}.trade-box p{color:rgba(255,255,255,.78);margin-bottom:22px}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:18px;text-align:center}.stat strong{display:block;color:var(--gold-2);font-size:1.4rem}.stat small{color:rgba(255,255,255,.75)}

.operations{background:var(--navy-2);color:#fff}.operations .section-title h2{color:#fff}.operations .section-title p{color:rgba(255,255,255,.72)}
.ops-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.op-card{min-height:260px;border-radius:var(--radius);overflow:hidden;position:relative;display:flex;align-items:flex-end;border:1px solid rgba(224,176,40,.28);transition:.25s}.op-card:hover{transform:translateY(-5px)}
.op-card:nth-child(1){background:linear-gradient(160deg,rgba(201,151,0,.25),rgba(0,31,78,.9)),radial-gradient(circle at 20% 20%,rgba(255,255,255,.18),transparent 18%),var(--navy)}
.op-card:nth-child(2){background:linear-gradient(160deg,rgba(0,31,78,.82),rgba(6,21,41,.92)),radial-gradient(circle at 75% 20%,rgba(224,176,40,.32),transparent 20%),var(--navy)}
.op-card:nth-child(3){background:linear-gradient(160deg,rgba(201,151,0,.34),rgba(6,21,41,.9)),radial-gradient(circle at 65% 25%,rgba(255,255,255,.2),transparent 17%),var(--navy)}
.op-card:nth-child(4){background:linear-gradient(160deg,rgba(0,31,78,.75),rgba(6,21,41,.95)),radial-gradient(circle at 25% 25%,rgba(224,176,40,.28),transparent 22%),var(--navy)}
.op-card .content{padding:26px;position:relative;z-index:2}.op-card h3{font-size:1.3rem;margin-bottom:8px}.op-card p{color:rgba(255,255,255,.72)}

.contact{background:linear-gradient(120deg,rgba(0,31,78,.96),rgba(6,21,41,.96)),radial-gradient(circle at right,rgba(224,176,40,.32),transparent 28%);color:#fff}
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start}.contact-copy h2{font-size:clamp(2rem,4vw,3.5rem);line-height:1.05;letter-spacing:-.04em}.contact-copy p{margin-top:12px;color:rgba(255,255,255,.76);max-width:740px}
.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px}.contact-card{padding:18px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}.contact-card:hover{border-color:rgba(224,176,40,.7)}.contact-card strong{display:block;color:var(--gold-2);margin-bottom:6px}.contact-card span{display:block;color:rgba(255,255,255,.78);font-size:.94rem;overflow-wrap:anywhere}
.contact-form{background:#fff;color:var(--ink);border-radius:28px;padding:30px;box-shadow:var(--shadow)}.contact-form h3{color:var(--navy);font-size:1.5rem;margin-bottom:18px}.contact-form label{display:block;font-weight:800;color:var(--navy);margin-bottom:14px}.contact-form input,.contact-form select,.contact-form textarea{width:100%;border:1px solid rgba(0,31,78,.18);border-radius:14px;padding:13px 14px;margin-top:7px;outline:none;color:var(--ink);background:#fff}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,151,0,.14)}.contact-form .btn{width:100%;border:0;margin-top:4px}.form-note{font-size:.88rem;color:var(--muted);margin-top:12px;text-align:center}

footer{background:#050b16;color:#fff;padding:54px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr 1.1fr 1fr 1fr;gap:34px}.footer-logo{background:#fff;border-radius:18px;padding:12px;display:inline-block;margin-bottom:16px}.footer-logo img{height:54px}.footer-grid h4{color:var(--gold-2);margin-bottom:14px}.footer-grid p,.footer-grid li{color:rgba(255,255,255,.72);font-size:.94rem}.footer-grid ul{list-style:none}.footer-grid li{margin:8px 0}.footer-grid a:hover{color:var(--gold-2)}.footer-tagline{color:var(--gold-2)!important;font-weight:800;margin-top:16px}.bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:20px;color:rgba(255,255,255,.55);font-size:.88rem}
.floating-whatsapp{position:fixed;right:18px;bottom:18px;z-index:60;background:#25d366;color:#061529;font-weight:950;border-radius:999px;padding:13px 18px;box-shadow:0 15px 34px rgba(0,0,0,.25)}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease, transform .6s ease}.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}.reveal{opacity:1;transform:none}}

@media(max-width:1100px){
  .nav__cta{display:none}.menu{gap:16px;font-size:.92rem}.cards,.steps,.ops-grid{grid-template-columns:repeat(2,1fr)}.why-grid{grid-template-columns:repeat(3,1fr)}.step:not(:last-child):after{display:none}.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .topbar__inner{display:block}.topbar__inner span{display:block;margin:4px 0}.logo img{height:54px}.mobile-toggle{display:block}.menu{position:absolute;left:0;right:0;top:calc(100% + 10px);background:#fff;border:1px solid rgba(0,31,78,.12);box-shadow:var(--shadow);border-radius:18px;padding:18px;display:none;flex-direction:column;align-items:flex-start}.menu.is-open{display:flex}.hero{display:block;min-height:auto}.hero__content{padding:76px 0 54px}.hero-badges{position:relative;left:auto;bottom:auto;transform:none;margin:0 auto 40px;grid-template-columns:1fr 1fr}.split,.contact-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  .section{padding:62px 0}.hero h1{font-size:2.65rem}.hero-badges,.cards,.steps,.why-grid,.ops-grid,.footer-grid,.check,.stat-row,.contact-cards{grid-template-columns:1fr}.badge{border-right:0;border-bottom:1px solid rgba(255,255,255,.1)}.badge:last-child{border-bottom:0}.panel,.trade-box,.contact-form{padding:24px;border-radius:22px}.bottom{display:block}.bottom span{display:block;margin:8px 0}.floating-whatsapp{left:18px;text-align:center}.logo img{height:48px}
}