:root {
  --azul:#0b5f8e; --azul2:#063b59; --azul3:#0e84bf; --grafito:#0d1117; --gris:#5f6b78; --claro:#f4f7fa; --blanco:#fff; --naranja:#f58220; --verde:#17a673;
  --shadow:0 18px 50px rgba(7,19,35,.18); --radius:24px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:#14202b;background:#fff;line-height:1.55}
a{color:inherit;text-decoration:none} img{max-width:100%;display:block} .container{width:min(1180px,92%);margin:auto}
.header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(10,40,60,.08)}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px} .brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--azul2)} .brand img{height:54px;width:auto} .brand span{font-size:14px;line-height:1.1;max-width:210px}
.links{display:flex;align-items:center;gap:20px;font-weight:700;font-size:14px;color:#263746} .links a{opacity:.88} .links a:hover{color:var(--azul)} .menu{display:none;background:transparent;border:0;font-size:28px;color:var(--azul2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;padding:13px 22px;font-weight:900;background:linear-gradient(135deg,var(--naranja),#ffad4d);color:#111;box-shadow:0 14px 35px rgba(245,130,32,.35);border:0;cursor:pointer} .btn:hover{transform:translateY(-1px)} .btn.outline{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.42);box-shadow:none} .btn.blue{background:linear-gradient(135deg,var(--azul),var(--azul3));color:#fff;box-shadow:0 14px 35px rgba(11,95,142,.25)}
.hero{min-height:92vh;position:relative;display:grid;place-items:center;overflow:hidden;background:#07101a;color:#fff;padding-top:78px} .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(4,14,24,.92),rgba(4,14,24,.68) 42%,rgba(4,14,24,.22)),url('../images/fondo-principal.webp');background-size:cover;background-position:center;transform:scale(1.02)} .hero:after{content:"";position:absolute;inset:auto 0 0;height:140px;background:linear-gradient(transparent,#fff)}
.hero-content{position:relative;z-index:1;padding:70px 0 110px;display:grid;grid-template-columns:1.08fr .72fr;align-items:center;gap:40px} .eyebrow{display:inline-flex;align-items:center;gap:10px;text-transform:uppercase;letter-spacing:.14em;font-weight:900;font-size:12px;color:#b9e9ff;margin-bottom:18px} .eyebrow:before{content:"";width:42px;height:3px;background:var(--naranja);border-radius:10px} h1{font-size:clamp(42px,6vw,82px);line-height:.96;margin:0 0 22px;font-weight:950;letter-spacing:-.05em} .hero p{font-size:clamp(18px,2vw,23px);max-width:760px;color:#e6edf5;margin:0 0 30px} .hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);padding:24px;backdrop-filter:blur(12px);box-shadow:var(--shadow)} .hero-card img{width:100%;border-radius:20px;background:#fff;padding:12px;margin-bottom:18px} .hero-card .mini{display:grid;grid-template-columns:repeat(2,1fr);gap:12px} .hero-card .mini div{padding:14px;border-radius:16px;background:rgba(255,255,255,.1)} .hero-card strong{display:block;font-size:24px;color:#fff} .hero-card span{font-size:13px;color:#d4e4ef}
.section{padding:96px 0} .section.dark{background:#07131e;color:#fff} .section.soft{background:var(--claro)} .tag{color:var(--azul);font-weight:950;text-transform:uppercase;letter-spacing:.12em;font-size:12px} .dark .tag{color:#7dd3fc} h2{font-size:clamp(32px,4vw,54px);line-height:1.04;margin:12px 0 18px;letter-spacing:-.035em;color:#0f2030} .dark h2{color:#fff} .lead{font-size:18px;color:#52606d;max-width:820px} .dark .lead{color:#c9d7e5}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center} .panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden} .panel.pad{padding:32px} .panel img{height:430px;width:100%;object-fit:cover} .kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:-70px;position:relative;z-index:5} .kpi{background:#fff;border-radius:22px;padding:26px 20px;box-shadow:var(--shadow);border:1px solid rgba(11,95,142,.08)} .kpi strong{font-size:34px;color:var(--azul2);display:block;line-height:1} .kpi span{color:#657382;font-weight:700;font-size:14px}
.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px} .checks span{font-weight:800;padding:14px 15px;border-radius:16px;background:#eff7fb;color:#12364d} .checks span:before{content:"✓";color:var(--verde);font-weight:950;margin-right:9px}
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px} .service{position:relative;min-height:360px;border-radius:26px;overflow:hidden;box-shadow:var(--shadow);background:#111;isolation:isolate} .service:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,16,26,.05),rgba(5,16,26,.86));z-index:1} .service img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s} .service:hover img{transform:scale(1.06)} .service div{position:absolute;z-index:2;left:24px;right:24px;bottom:24px;color:#fff} .num{display:inline-flex;background:var(--naranja);color:#111;border-radius:999px;padding:6px 12px;font-weight:950;margin-bottom:14px} .service h3{font-size:25px;margin:0 0 8px} .service p{margin:0;color:#e1e8ef}
.project-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px;margin-top:36px} .project{position:relative;border-radius:24px;overflow:hidden;min-height:285px;background:#111;box-shadow:var(--shadow);cursor:pointer} .project.big{grid-row:span 2;min-height:590px} .project img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .55s} .project:hover img{transform:scale(1.05)} .project:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent,rgba(0,0,0,.82))} .project div{position:absolute;z-index:2;bottom:22px;left:22px;right:22px;color:#fff} .project h3{margin:0 0 6px;font-size:24px} .project p{margin:0;color:#dfe7ee}
.equipment{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px} .equip{background:#fff;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)} .equip img{height:260px;width:100%;object-fit:cover} .equip div{padding:20px} .equip h3{margin:0 0 8px;color:#102d44} .equip p{margin:0;color:#627181}
.cert-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center} .certs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px} .cert{background:#fff;border-radius:22px;padding:22px;min-height:150px;display:grid;place-items:center;box-shadow:0 16px 40px rgba(0,0,0,.25)} .cert img{max-height:86px;object-fit:contain} .client-list{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:28px} .client{background:#fff;border:1px solid #e6edf4;border-radius:18px;padding:20px;text-align:center;font-weight:950;color:#334155;box-shadow:0 8px 24px rgba(20,32,43,.06)}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:28px} .contact-card{background:#fff;border-radius:26px;padding:30px;box-shadow:var(--shadow)} .contact-card h3{font-size:28px;margin:0 0 12px} .contact-row{display:flex;gap:12px;border-bottom:1px solid #eef2f6;padding:14px 0;color:#475569} .contact-row strong{min-width:105px;color:#12283a} form{display:grid;gap:14px} input,textarea{width:100%;border:1px solid #dce6ee;border-radius:16px;padding:15px;font:inherit} textarea{min-height:130px;resize:vertical} .footer{padding:34px 0;background:#03080d;color:#b6c3cf} .footer .container{display:flex;justify-content:space-between;gap:20px;align-items:center} .footer img{height:50px;background:#fff;border-radius:12px;padding:4px}
.float-wa{position:fixed;right:22px;bottom:22px;z-index:60;background:#25d366;color:#052610;border-radius:999px;padding:15px 20px;font-weight:950;box-shadow:0 18px 40px rgba(37,211,102,.32)}
.reveal{opacity:0;transform:translateY(28px);transition:all .8s ease} .reveal.show{opacity:1;transform:none}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.86);z-index:100;display:none;place-items:center;padding:24px} .modal.open{display:grid} .modal img{max-height:84vh;max-width:92vw;border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.5)} .modal button{position:absolute;top:18px;right:18px;background:#fff;border:0;border-radius:999px;padding:10px 14px;font-weight:900}
@media(max-width:900px){.links{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;align-items:flex-start;box-shadow:var(--shadow)}.links.open{display:flex}.menu{display:block}.hero-content,.grid-2,.cert-wrap,.contact{grid-template-columns:1fr}.hero-card{display:none}.kpis{grid-template-columns:repeat(2,1fr)}.services,.equipment,.project-grid{grid-template-columns:1fr}.project.big{min-height:380px}.client-list{grid-template-columns:repeat(2,1fr)}.footer .container{flex-direction:column;align-items:flex-start}}
@media(max-width:560px){.brand span{display:none}.hero{min-height:85vh}.hero-content{padding:40px 0 90px}.kpis{grid-template-columns:1fr;margin-top:-42px}.certs{grid-template-columns:1fr}.section{padding:70px 0}.checks{grid-template-columns:1fr}}