:root{
  --tinta:#1c2331;
  --tinta-2:#2c3e50;
  --acento:#1abc9c;
  --acento-osc:#15a086;
  --gris:#5a6b7b;
  --linea:#e3e8ee;
  --fondo:#f7f9fb;
  --radio:10px;
  --ancho:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--tinta); background:#fff; -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--ancho);margin:0 auto;padding:0 24px}
a{color:inherit}

/* ---------- barra ---------- */
header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--linea);
}
.barra{display:flex;align-items:center;gap:24px;height:68px}
.marca{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:.5px;font-size:19px}
.marca img{width:34px;height:34px;border-radius:50%}
.marca span{color:var(--acento)}
nav{margin-left:auto;display:flex;align-items:center;gap:28px}
nav a{text-decoration:none;color:var(--gris);font-size:15px;font-weight:500}
nav a:hover{color:var(--tinta)}
.btn{
  display:inline-block;padding:11px 22px;border-radius:var(--radio);
  text-decoration:none;font-weight:600;font-size:15px;border:1px solid transparent;
  transition:background .15s,transform .15s,box-shadow .15s;
}
.btn-p{background:var(--acento);color:#fff;box-shadow:0 2px 10px rgba(26,188,156,.3)}
.btn-p:hover{background:var(--acento-osc);transform:translateY(-1px)}
.btn-s{border-color:var(--linea);color:var(--tinta);background:#fff}
.btn-s:hover{border-color:var(--acento);color:var(--acento-osc)}
.menu-btn{display:none;margin-left:auto;background:none;border:0;font-size:26px;color:var(--tinta);cursor:pointer;line-height:1}

/* ---------- portada ---------- */
.portada{padding:88px 0 76px;background:linear-gradient(180deg,#fff 0%,var(--fondo) 100%)}
.portada h1{font-size:clamp(32px,5.2vw,52px);line-height:1.14;letter-spacing:-.02em;max-width:15ch}
.portada h1 em{font-style:normal;color:var(--acento)}
.portada p.bajada{margin-top:20px;font-size:clamp(17px,2vw,20px);color:var(--gris);max-width:56ch}
.acciones{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- secciones ---------- */
section{padding:76px 0;border-top:1px solid var(--linea)}
.tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--acento-osc);background:rgba(26,188,156,.1);padding:5px 11px;border-radius:99px;margin-bottom:16px;
}
h2{font-size:clamp(26px,3.4vw,34px);letter-spacing:-.015em;line-height:1.2}
.sub{margin-top:12px;color:var(--gris);max-width:62ch}

.grilla{display:grid;gap:22px;margin-top:44px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}

.card{
  background:#fff;border:1px solid var(--linea);border-radius:var(--radio);padding:28px 24px;
  transition:border-color .15s,box-shadow .15s,transform .15s;
}
.card:hover{border-color:#cfd8e3;box-shadow:0 6px 22px rgba(28,35,49,.07);transform:translateY(-2px)}
.card h3{font-size:18px;margin-bottom:9px;letter-spacing:-.01em}
.card p{color:var(--gris);font-size:15px}
.ico{
  width:42px;height:42px;border-radius:9px;background:rgba(26,188,156,.12);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.ico svg{width:21px;height:21px;stroke:var(--acento-osc);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- sistema ---------- */
.sistema{background:var(--fondo)}
.mods{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px}
.mod{
  background:#fff;border:1px solid var(--linea);border-radius:var(--radio);
  padding:18px 20px;display:flex;align-items:flex-start;gap:13px;
}
.mod .punto{width:8px;height:8px;border-radius:50%;background:var(--acento);margin-top:8px;flex:0 0 8px}
.mod b{display:block;font-size:15px}
.mod small{color:var(--gris);font-size:13.5px;line-height:1.5}
.nota-flujo{
  margin-top:34px;padding:22px 24px;border-left:3px solid var(--acento);
  background:#fff;border-radius:0 var(--radio) var(--radio) 0;color:var(--gris);font-size:15.5px;
}
.nota-flujo b{color:var(--tinta)}

/* ---------- contacto ---------- */
.contacto{background:var(--tinta);color:#fff}
.contacto h2{color:#fff}
.contacto .sub{color:#a9b6c4}
.contacto-cols{display:grid;grid-template-columns:1.25fr 1fr;gap:34px;margin-top:40px;align-items:start}
.formulario{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radio);padding:26px}
.campo-f{margin-bottom:15px}
.campo-f label{display:block;font-size:13px;font-weight:600;color:#c5d0da;margin-bottom:6px}
.campo-f label b{color:var(--acento)}
.campo-f input,.campo-f select,.campo-f textarea{
  width:100%;padding:10px 12px;border-radius:8px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;font:15px/1.5 inherit;font-family:inherit;
}
.campo-f textarea{resize:vertical;min-height:96px}
.campo-f select option{background:#1c2331;color:#fff}
.campo-f input:focus,.campo-f select:focus,.campo-f textarea:focus{
  outline:none;border-color:var(--acento);background:rgba(255,255,255,.09);
}
.campo-f input::placeholder,.campo-f textarea::placeholder{color:#7f8d9b}
.dos{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.trampa{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
#btnEnviar{
  width:100%;padding:13px;background:var(--acento);color:#fff;border:0;border-radius:var(--radio);
  font:600 15.5px inherit;font-family:inherit;cursor:pointer;transition:background .15s;margin-top:4px;
}
#btnEnviar:hover{background:var(--acento-osc)}
#btnEnviar:disabled{opacity:.6;cursor:default}
.aviso{margin-top:13px;font-size:14px;min-height:20px}
.aviso.ok{color:#7ee2c8}
.aviso.mal{color:#ff9d94}
.datos{display:grid;grid-template-columns:1fr;gap:16px}
.dato{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radio);padding:24px}
.dato span{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--acento);margin-bottom:8px;font-weight:700}
.dato a,.dato p{color:#fff;text-decoration:none;font-size:16px;word-break:break-word}
.dato a:hover{color:var(--acento)}

/* ---------- pie ---------- */
footer{background:var(--tinta);border-top:1px solid rgba(255,255,255,.08);padding:26px 0;color:#8b98a6;font-size:14px}
.pie{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}

@media(max-width:900px){
  .g3,.mods{grid-template-columns:repeat(2,1fr)}
  .contacto-cols{grid-template-columns:1fr}
}
@media(max-width:640px){
  nav{
    display:none;position:absolute;top:68px;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--linea);flex-direction:column;align-items:stretch;
    gap:0;padding:8px 24px 18px;
  }
  nav.abierto{display:flex}
  nav a{padding:12px 0;border-bottom:1px solid var(--linea)}
  nav .btn{margin-top:14px;text-align:center}
  .menu-btn{display:block}
  .g3,.g2,.mods{grid-template-columns:1fr}
  section{padding:56px 0}
  .portada{padding:60px 0 54px}
}