:root{
  --ink:#0f1b2a; --ink2:#16212e; --accent:#e4572e; --accent-d:#c1441f;
  --gray:#55636f; --soft:#8b98a5; --line:#e2e8ef; --bg:#f5f7fa; --white:#fff;
  --mono:"SF Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink2);
  background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
.btn{display:inline-flex;align-items:center;gap:.4rem;background:var(--accent);color:#fff;
  text-decoration:none;border:0;border-radius:8px;padding:.7rem 1.3rem;font-size:.95rem;
  font-weight:600;cursor:pointer;transition:background .15s}
.btn:hover{background:var(--accent-d)}
.btn--sm{padding:.5rem 1rem;font-size:.88rem}
.btn--lg{padding:.85rem 1.7rem;font-size:1rem}
.btn--ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn--ghost:hover{background:var(--bg);border-color:#cfd8e3}
/* sobre el hero oscuro, el botón fantasma va en claro */
.hero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.hero .btn--ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.h2{font-size:1.9rem;letter-spacing:-.02em;color:var(--ink);margin-bottom:.6rem}
.lead{color:var(--gray);font-size:1.05rem;margin-bottom:2rem;max-width:600px}

/* nav */
.nav{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.nav__in{max-width:1080px;margin:0 auto;padding:.8rem 1.5rem;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.5rem;text-decoration:none;color:var(--ink);font-size:1.05rem}
.brand__esc{width:30px;height:30px}
.brand b{font-weight:700}
.nav__links{display:flex;align-items:center;gap:1.4rem}
.nav__links a{text-decoration:none;color:var(--gray);font-size:.92rem;font-weight:500}
.nav__links a:hover{color:var(--ink)}
.nav__links a.btn{color:#fff}

/* hero */
.hero{background:linear-gradient(160deg,#0f1b2a 0%,#16283d 100%);color:#fff;overflow:hidden;position:relative}
.hero::before{content:"";position:absolute;top:-30%;right:-10%;width:500px;height:500px;
  background:radial-gradient(circle,rgba(228,87,46,.18),transparent 70%);border-radius:50%}
.hero__in{max-width:1080px;margin:0 auto;padding:5rem 1.5rem 4rem;position:relative}
.hero__eyebrow{color:#8fa3b8;letter-spacing:.12em;text-transform:uppercase;font-size:.8rem;margin-bottom:1rem}
.hero__title{font-size:3.2rem;line-height:1.05;letter-spacing:-.03em;margin-bottom:1.2rem}
.hero__sub{color:#c3ceda;font-size:1.15rem;max-width:620px;margin-bottom:2rem}
.hero__acc{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:3rem}
.hero__scan{list-style:none;display:grid;gap:.5rem;max-width:480px}
.hero__scan li{display:flex;align-items:center;gap:.7rem;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);border-radius:6px;padding:.5rem .8rem}
.hero__scan code{font-family:var(--mono);font-size:.85rem;color:#c3ceda}
.dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}
.dot--c{background:#ef5350}.dot--a{background:#e4572e}.dot--m{background:#c98a00}.dot--b{background:#3a7ca5}

/* servicios */
.serv{padding:4.5rem 0;background:var(--bg)}
.serv__in{max-width:1080px;margin:0 auto;padding:0 1.5rem}
.serv__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:2rem}
.card{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:1.6rem}
.card__ic{font-size:1.8rem;margin-bottom:.8rem}
.card h3{font-size:1.15rem;color:var(--ink);margin-bottom:.5rem}
.card p{color:var(--gray);font-size:.95rem}

/* nosotros */
.nos{padding:4.5rem 0}
.nos__in{max-width:760px;margin:0 auto;padding:0 1.5rem}
.nos__in p{color:var(--gray);font-size:1.05rem;margin-bottom:1rem}
.nos__in b{color:var(--ink)}

/* cta / contacto */
.cta{padding:4.5rem 0;background:var(--ink);color:#fff}
.cta__in{max-width:1080px;margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.cta .h2{color:#fff}
.cta__txt p{color:#c3ceda;margin-bottom:1.5rem}
.cta__list{list-style:none;display:grid;gap:.7rem}
.cta__list li{padding-left:1.5rem;position:relative;color:#c3ceda}
.cta__list li::before{content:"▸";color:var(--accent);position:absolute;left:0}
.cta__form{background:var(--white);border-radius:12px;padding:1.8rem}
.field{display:block;margin-bottom:1rem}
.field span{display:block;font-size:.82rem;font-weight:600;color:var(--gray);margin-bottom:.35rem}
.field em{font-weight:400;color:var(--soft);font-style:normal}
.field input,.field textarea{width:100%;padding:.65rem .8rem;border:1px solid #cfd8e3;border-radius:7px;
  font:inherit;font-size:.95rem;color:var(--ink2);background:#fbfcfd;resize:vertical}
.field input:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:0;background:#fff}
.trampa{position:absolute;left:-9999px}
.error{color:#ffb4a8;font-size:.88rem;margin-bottom:.8rem}
.ok{color:#0f1b2a;background:#d7f5e3;border-radius:7px;padding:.8rem;font-size:.92rem;text-align:center}

/* footer */
.ft{background:#0a121c;color:#8b98a5;padding:2rem 0}
.ft__in{max-width:1080px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;
  justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.9rem}
.ft__brand b{color:#fff}
.ft__marcas b{color:#c3ceda}
.ft__login{color:var(--accent);text-decoration:none;font-weight:600}

@media(max-width:820px){
  .hero__title{font-size:2.3rem}
  .serv__grid{grid-template-columns:1fr}
  .cta__in{grid-template-columns:1fr;gap:2rem}
  .nav__links{gap:.9rem}
  .nav__links a:not(.btn){display:none}
}