:root{
  --ink:#0b2233;
  --ink2:#0b2e4a;
  --muted:#5c6b77;
  --bg:#ffffff;
  --bg2:#f5f7fa;
  --card:#ffffff;
  --line:#e5e9ef;
  --accent:#f08a24; /* naranja industrial */
  --shadow: 0 12px 30px rgba(0,0,0,.08);
  --radius: 16px;
  --max: 1100px;
  --font: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:var(--font);color:var(--ink);background:var(--bg);scroll-behavior:smooth}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{max-width:var(--max);margin:0 auto;padding:0 20px}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.brand-logo{height:44px;width:auto}

.nav{display:flex;align-items:center;gap:18px}
.nav a{font-weight:600;color:var(--ink2);opacity:.9}
.nav a:hover{opacity:1}
.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;font-size:18px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 16px;border-radius:14px;
  background:var(--ink2);color:#fff;font-weight:700;
  border:1px solid rgba(255,255,255,.12);
  box-shadow: 0 10px 22px rgba(11,46,74,.22);
}
.btn:hover{transform:translateY(-1px)}
.btn-small{padding:10px 14px;border-radius:12px}
.btn-ghost{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.28);
  box-shadow:none;
}
.section-alt .btn-ghost{color:var(--ink2);border-color:var(--line)}
.section-alt .btn{box-shadow: 0 10px 22px rgba(11,46,74,.12)}
.link{color:var(--ink2);font-weight:700}
.link:hover{text-decoration:underline}

.hero{
  position:relative;color:#fff;
  padding:56px 0 42px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background: url("assets/hero-bg.svg") center/cover no-repeat;
  transform:scale(1.02);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.25fr .85fr;gap:28px;align-items:stretch}
.kicker{letter-spacing:.12em;text-transform:uppercase;font-weight:800;opacity:.85;margin:0 0 12px}
.hero h1{margin:0 0 12px;font-size:42px;line-height:1.1}
.lead{margin:0 0 18px;font-size:18px;opacity:.95;max-width:60ch}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:14px 0 18px}
.trust-row{display:flex;gap:10px;flex-wrap:wrap}
.pill{padding:10px 12px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:rgba(255,255,255,.06);font-weight:700;font-size:13px}

.hero-card{
  position:relative;background:rgba(255,255,255,.94);color:var(--ink);
  border-radius:var(--radius);padding:22px 22px 18px;
  box-shadow: var(--shadow);
}
.hero-card h2{margin:0 0 10px;color:var(--ink2)}
.checklist{margin:0;padding-left:20px}
.checklist li{margin:8px 0;color:var(--ink)}
.mini-cta{margin-top:12px}

.section{padding:64px 0}
.section-alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{margin:0 0 10px;font-size:30px;line-height:1.2;color:var(--ink2)}
.sub{margin:0 0 22px;color:var(--muted);max-width:80ch}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;
  box-shadow: 0 8px 18px rgba(0,0,0,.04);
}
.card h3{margin:0 0 8px;font-size:18px;color:var(--ink2)}
.card p{margin:0;color:var(--muted);line-height:1.55}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.panel{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;
}
.bullets{margin:10px 0 0;padding-left:18px;color:var(--muted)}
.bullets li{margin:8px 0}

.steps{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.steps li{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:#fff;
}
.steps strong{min-width:190px;color:var(--ink2)}
.steps span{color:var(--muted);flex:1}

.card-project dl{margin:0;display:grid;gap:8px}
.card-project dt{font-weight:800;color:var(--ink2)}
.card-project dd{margin:0;color:var(--muted)}
.card-project dl > div{display:grid;grid-template-columns:120px 1fr;gap:10px}

.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:start}
.form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow: 0 10px 22px rgba(0,0,0,.04);
}
label{display:block;margin-bottom:12px;font-weight:800;color:var(--ink2)}
input,select,textarea{
  width:100%;margin-top:6px;padding:12px 12px;border-radius:12px;
  border:1px solid var(--line);font:inherit;color:var(--ink);background:#fff;
}
textarea{resize:vertical}
.fineprint{margin:12px 0 0;color:var(--muted);font-size:13px;line-height:1.45}

.contact-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow: 0 10px 22px rgba(0,0,0,.04);
}
.divider{height:1px;background:var(--line);margin:14px 0}
.muted{color:var(--muted)}

.footer{padding:26px 0;border-top:1px solid var(--line);background:#fff}
.footer-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.footer-links{display:flex;gap:14px}
.footer-links a{color:var(--ink2);font-weight:700;opacity:.85}
.footer-links a:hover{opacity:1}

@media (max-width: 920px){
  .hero-grid{grid-template-columns:1fr;gap:18px}
  .hero h1{font-size:36px}
  .cards{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .nav{display:none}
  .nav.open{
    display:flex;position:absolute;right:20px;top:70px;flex-direction:column;
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;
    box-shadow:var(--shadow);
  }
  .nav.open a{color:var(--ink2)}
  .nav-toggle{display:inline-flex}
}