:root{
  --bg:#0f172a;
  --bg-soft:#111c33;
  --card:#162238;
  --text:#ffffff;
  --muted:#94a3b8;
  --gold:#c9a227;
  --cyan:#00c2ff;
  --line:rgba(255,255,255,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Montserrat',sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:auto}
.site-header{position:fixed;top:0;width:100%;z-index:99;background:rgba(15,23,42,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-content{height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:14px}
.brand-logo{width:66px;height:66px;object-fit:contain;border-radius:8px}
.brand-text{display:flex;flex-direction:column;line-height:1.1;text-transform:uppercase;letter-spacing:.08em}.brand-text strong{font-size:18px}.brand-text span{font-size:12px;color:var(--gold);font-weight:700}
.main-nav{display:flex;align-items:center;gap:24px;font-weight:600;font-size:14px}.main-nav a{color:#dbeafe}.main-nav a:hover{color:var(--cyan)}.nav-cta{padding:10px 18px;border:1px solid var(--gold);border-radius:999px;color:var(--gold)!important}.menu-toggle{display:none;background:none;border:0;color:#fff;font-size:30px}
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding-top:90px;background:linear-gradient(120deg,rgba(15,23,42,.95),rgba(15,23,42,.7)),url('../img/reemplazar-hero-mineria.jpg') center/cover no-repeat}.hero:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 25% 30%,rgba(0,194,255,.20),transparent 28%),radial-gradient(circle at 80% 60%,rgba(201,162,39,.18),transparent 30%)}.hero-content{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr .7fr;gap:50px;align-items:center}.eyebrow,.section-label{display:inline-block;color:var(--cyan);font-weight:800;text-transform:uppercase;letter-spacing:.16em;font-size:13px;margin-bottom:14px}.hero h1{font-size:clamp(42px,7vw,82px);line-height:.95;margin-bottom:24px;text-transform:uppercase}.hero-subtitle{font-size:clamp(18px,2.5vw,25px);color:#dbeafe;max-width:760px}.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 24px;border-radius:999px;font-weight:800;text-transform:uppercase;font-size:13px;letter-spacing:.06em}.btn-primary{background:linear-gradient(135deg,var(--gold),#f0d57a);color:#111827}.btn-secondary{border:1px solid var(--cyan);color:var(--cyan)}.hero-card{background:rgba(22,34,56,.78);border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:0 20px 60px rgba(0,0,0,.35)}.hero-card h3{color:var(--gold);font-size:24px;margin-bottom:12px}.hero-card p{color:#dbeafe}
.section{padding:96px 0}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}h2{font-size:clamp(30px,4vw,48px);line-height:1.12;margin-bottom:22px}p{color:#cbd5e1;margin-bottom:14px}.image-frame{border:1px solid var(--line);border-radius:26px;overflow:hidden;background:var(--card);box-shadow:0 24px 70px rgba(0,0,0,.25)}.image-frame img{width:100%;height:420px;object-fit:cover}.services,.certifications{background:var(--bg-soft)}.section-heading{text-align:center;max-width:800px;margin:0 auto 48px}.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.service-card{background:var(--card);border:1px solid var(--line);border-radius:22px;overflow:hidden;transition:.25s}.service-card:hover{transform:translateY(-8px);border-color:rgba(0,194,255,.45)}.service-card img{height:190px;width:100%;object-fit:cover;background:#26364f}.service-card div{padding:24px}.service-card h3{font-size:20px;color:var(--gold);margin-bottom:12px}.service-card ul{padding-left:18px;color:#dbeafe}.service-card li{margin-bottom:6px}.feature-list,.diff-grid,.cert-grid{display:grid;gap:14px}.feature-list{grid-template-columns:repeat(2,1fr);margin-top:24px}.feature-list span,.diff-grid div,.cert-grid div{padding:16px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.04);font-weight:700}.diff-grid{grid-template-columns:repeat(4,1fr)}.cert-grid{grid-template-columns:repeat(4,1fr)}.cert-grid strong{display:block;color:var(--gold);font-size:24px}.cert-grid span{color:#dbeafe}.partners{text-align:center}.partner-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:28px}.partner-row span{border:1px solid var(--line);border-radius:999px;padding:12px 18px;background:rgba(255,255,255,.04);font-weight:700}.contact-form{display:grid;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:28px}.contact-form input,.contact-form textarea{width:100%;padding:15px 16px;border-radius:12px;border:1px solid var(--line);background:#0b1220;color:#fff;font-family:inherit}.contact-form input::placeholder,.contact-form textarea::placeholder{color:#64748b}.site-footer{border-top:1px solid var(--line);padding:28px 0;background:#08111f}.footer-content{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-content p{margin:0;color:#94a3b8}.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:98;background:#25d366;color:#06130a;padding:14px 18px;border-radius:999px;font-weight:900;box-shadow:0 12px 30px rgba(0,0,0,.35)}
@media(max-width:900px){.menu-toggle{display:block}.main-nav{position:absolute;top:82px;left:0;width:100%;padding:20px;background:#0f172a;display:none;flex-direction:column;border-bottom:1px solid var(--line)}.main-nav.active{display:flex}.hero-content,.grid-2{grid-template-columns:1fr}.cards-grid{grid-template-columns:1fr 1fr}.diff-grid,.cert-grid{grid-template-columns:1fr 1fr}.hero-card{display:none}}
@media(max-width:580px){.cards-grid,.feature-list,.diff-grid,.cert-grid{grid-template-columns:1fr}.brand-text{display:none}.section{padding:72px 0}.hero-actions .btn{width:100%}.image-frame img{height:280px}}