/* Z ECOM BUSINESS LLC — vitrine corporate, neutre */
:root{
  --bg:#ffffff;
  --ink:#0f172a;
  --muted:#475569;
  --line:#e2e8f0;
  --soft:#f8fafc;
  --brand:#1e3a8a;      /* navy sobre */
  --brand-2:#2563eb;
  --radius:14px;
  --maxw:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .mark{
  width:30px;height:30px;border-radius:8px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px;
}
.nav{display:flex;gap:26px;align-items:center}
.nav a{color:var(--muted);font-size:14px;font-weight:600}
.nav a:hover{color:var(--ink);text-decoration:none}
@media(max-width:640px){.nav{display:none}}

/* Hero */
.hero{padding:84px 0 64px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--soft),#fff)}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-2);margin-bottom:16px}
.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.1;margin:0 0 18px;letter-spacing:-.03em}
.hero p{font-size:18px;color:var(--muted);max-width:620px;margin:0 0 28px}
.btn{
  display:inline-block;background:var(--ink);color:#fff;padding:13px 24px;border-radius:10px;
  font-weight:700;font-size:15px;
}
.btn:hover{text-decoration:none;opacity:.92}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line);margin-left:10px}

/* Sections */
section{padding:64px 0}
.section-title{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-2);margin:0 0 10px}
h2{font-size:clamp(24px,3.5vw,32px);letter-spacing:-.02em;margin:0 0 14px}
.lead{color:var(--muted);max-width:680px;font-size:17px}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
@media(max-width:820px){.grid{grid-template-columns:1fr}}
.card{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;
}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:15px}
.card .ic{
  width:42px;height:42px;border-radius:10px;background:#eff4ff;border:1px solid #dbe5ff;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--brand-2);
}
.card .ic svg{width:22px;height:22px}

.split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:28px}}
.alt{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* Contact */
.contact-box{
  border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff;display:flex;
  flex-direction:column;gap:6px;max-width:460px;
}
.contact-box .label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}

/* Legal pages */
.legal{padding:56px 0;max-width:820px}
.legal h1{font-size:30px;letter-spacing:-.02em;margin:0 0 6px}
.legal .updated{color:var(--muted);font-size:14px;margin:0 0 32px}
.legal h2{font-size:20px;margin:34px 0 10px}
.legal p,.legal li{color:#334155;font-size:15.5px}
.legal ul{padding-left:20px}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--soft);padding:46px 0 30px;margin-top:30px}
.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.footer-brand{max-width:320px}
.footer-brand .brand{margin-bottom:10px}
.footer-brand p{color:var(--muted);font-size:14px;margin:0}
.footer-links{display:flex;gap:50px;flex-wrap:wrap}
.footer-col h4{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 12px}
.footer-col a{display:block;color:#334155;font-size:14px;margin-bottom:9px}
.footer-col a:hover{color:var(--ink);text-decoration:none}
.legal-line{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}