:root{
  --navy:#071B4D;
  --blue:#06308A;
  --cyan:#07B8DE;
  --soft:#F5FAFF;
  --ink:#10233F;
  --muted:#63748A;
  --line:#D8E6F3;
  --white:#FFFFFF;
  --shadow:0 24px 68px rgba(7,27,77,.12);
  --shadow-soft:0 14px 38px rgba(7,27,77,.07);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, Arial, sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 15% 8%, rgba(7,184,222,.10), transparent 28%),
    radial-gradient(circle at 86% 12%, rgba(6,48,138,.08), transparent 24%),
    linear-gradient(180deg,#fff 0%,#F7FBFF 52%,#fff 100%);
  overflow-x:hidden;
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background:url("../img/brand-background.svg") center top/cover no-repeat;
  opacity:1;
}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px, calc(100% - 48px));margin-inline:auto}

.site-header{
  position:sticky;
  top:0;
  z-index:20;
  background:rgba(255,255,255,.88);
  border-bottom:1px solid rgba(216,230,243,.9);
  backdrop-filter:blur(16px);
}
.header-inner{
  min-height:86px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.brand img{display:block;width:210px;max-height:70px;object-fit:contain}
.nav{display:flex;align-items:center;gap:28px;color:var(--muted);font-weight:900;font-size:14px}
.nav a:hover{color:var(--blue)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:900;
  font-size:14px;
  transition:.18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--navy));color:#fff;box-shadow:0 16px 34px rgba(6,48,138,.20)}
.btn-secondary,.btn-small{background:#fff;color:var(--blue);border-color:#C9DAEA}
.btn-small{min-height:42px}

.hero{padding:70px 0 42px}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
  gap:44px;
  align-items:center;
}
.eyebrow,.section-label{
  display:inline-flex;
  color:var(--cyan);
  font-weight:900;
  font-size:12px;
  letter-spacing:.13em;
  text-transform:uppercase;
  margin-bottom:14px;
}
h1,h2,h3,p{margin-top:0}
h1{
  margin-bottom:20px;
  color:var(--navy);
  font-family:Manrope,Inter,sans-serif;
  font-size:clamp(46px,5.5vw,76px);
  line-height:.94;
  letter-spacing:-.06em;
}
.lead{
  max-width:720px;
  color:var(--muted);
  font-size:19px;
  line-height:1.65;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:34px;
  color:var(--blue);
  font-weight:800;
}
.hero-tags span{
  padding:10px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.82);
  box-shadow:0 8px 18px rgba(7,27,77,.04);
}

.hero-panel{display:grid;gap:16px}
.shield-card,.product-tile,.service-card,.solutions-box,.method-step,.trust-box,.contact-box{
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.shield-card{
  min-height:300px;
  display:grid;
  place-items:center;
  border-radius:34px;
  padding:32px;
  box-shadow:var(--shadow);
}
.shield-card img{max-width:88%;max-height:220px;object-fit:contain}
.mini-products{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.product-tile{
  min-height:130px;
  display:grid;
  place-items:center;
  gap:8px;
  padding:18px;
  border-radius:26px;
  text-align:center;
  color:var(--muted);
  font-size:13px;
  font-weight:700;
}
.product-tile img{max-height:58px;object-fit:contain}
.product-tile:hover{transform:translateY(-2px);box-shadow:var(--shadow);transition:.18s ease}

.section{padding:46px 0}
.section-head{margin-bottom:22px}
.section-head h2,.solutions-copy h2,.method-grid h2,.trust-box h2,.contact-box h2{
  max-width:820px;
  color:var(--navy);
  font-family:Manrope,Inter,sans-serif;
  font-size:clamp(32px,3.5vw,50px);
  line-height:1.02;
  letter-spacing:-.045em;
  margin-bottom:0;
}
.services-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.service-card{
  min-height:265px;
  border-radius:28px;
  padding:24px;
  position:relative;
  overflow:hidden;
}
.service-card:after{
  content:"";
  position:absolute;
  right:-50px;
  bottom:-60px;
  width:150px;
  height:150px;
  border-radius:50%;
  background:rgba(7,184,222,.09);
}
.service-number{
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  border-radius:16px;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#fff;
  font-weight:900;
  margin-bottom:22px;
}
.service-card h3{
  color:var(--navy);
  font-size:21px;
  line-height:1.12;
  letter-spacing:-.02em;
  margin-bottom:12px;
}
.service-card p{
  color:var(--muted);
  line-height:1.58;
  font-size:14px;
  margin-bottom:0;
}

.solutions-box{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:28px;
  align-items:center;
  border-radius:34px;
  padding:32px;
}
.solutions-copy p,.trust-box p,.contact-box p{
  color:var(--muted);
  font-size:17px;
  line-height:1.65;
  margin:16px 0 0;
}
.solutions-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.solution-card{
  min-height:220px;
  display:grid;
  place-items:center;
  gap:10px;
  padding:22px;
  border-radius:28px;
  background:#fff;
  border:1px solid var(--line);
  text-align:center;
}
.solution-card img{max-height:86px;object-fit:contain}
.solution-card strong{color:var(--blue);font-size:20px}
.solution-card span{color:var(--muted);font-size:14px;line-height:1.45}
.solution-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);transition:.18s ease}

.method-grid{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:32px;
  align-items:start;
}
.method-steps{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.method-step{
  border-radius:26px;
  padding:22px;
}
.method-step b{
  color:var(--cyan);
  font-size:13px;
  letter-spacing:.12em;
}
.method-step strong{
  display:block;
  margin:12px 0 8px;
  color:var(--navy);
  font-size:19px;
}
.method-step p{color:var(--muted);line-height:1.55;margin:0;font-size:14px}

.trust-box,.contact-box{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
  align-items:center;
  border-radius:34px;
  padding:32px;
}
.contact-box{border-color:rgba(7,184,222,.35)}
.contact-actions{display:flex;justify-content:flex-end;gap:14px;flex-wrap:wrap}

.footer{padding:28px 0;color:var(--muted);font-size:13px}
.footer-inner{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:20px}

@media(max-width:1020px){
  .nav{display:none}
  .hero-grid,.solutions-box,.method-grid,.trust-box,.contact-box{grid-template-columns:1fr}
  .hero{text-align:center;padding-top:42px}
  .lead{margin-inline:auto}
  .hero-actions,.hero-tags,.contact-actions{justify-content:center}
  .services-grid{grid-template-columns:1fr 1fr}
  .method-grid{text-align:center}
}
@media(max-width:720px){
  .wrap{width:min(100% - 28px,1180px)}
  .header-inner{min-height:78px;justify-content:center}
  .brand img{width:185px}
  .btn-small{display:none}
  h1{font-size:clamp(38px,11vw,52px)}
  .lead{font-size:16px}
  .hero-panel{display:none}
  .services-grid,.solutions-grid,.method-steps{grid-template-columns:1fr}
  .service-card{min-height:auto}
  .section{padding:30px 0}
  .solutions-box,.trust-box,.contact-box{padding:22px;border-radius:26px;text-align:center}
  .footer-inner{flex-direction:column;text-align:center;gap:6px}
}


/* v2: fondo premium metálico, sin cuadriculado */
.hero,
.section{
  position:relative;
}

.hero:before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(115deg, transparent 0 18%, rgba(255,255,255,.72) 19%, transparent 30%),
    linear-gradient(245deg, transparent 0 20%, rgba(7,184,222,.055) 21%, transparent 33%);
  opacity:.7;
  z-index:-1;
}

.shield-card,
.solutions-box,
.trust-box,
.contact-box{
  background:
    linear-gradient(145deg, rgba(255,255,255,.96), rgba(246,250,254,.92)),
    radial-gradient(circle at 20% 0%, rgba(255,255,255,.9), transparent 42%);
  border-color:rgba(199,216,231,.95);
}

.service-card,
.method-step,
.product-tile,
.solution-card{
  background:
    linear-gradient(155deg, rgba(255,255,255,.96), rgba(248,252,255,.92));
  border-color:rgba(207,224,238,.92);
}

.site-header{
  background:rgba(255,255,255,.92);
}


/* v3: referencia banner premium Araos */
body{
  background:#FFFFFF;
}

.hero{
  padding-top:78px;
}

.hero:before{
  opacity:.18;
}

.shield-card,
.solutions-box,
.trust-box,
.contact-box{
  background:rgba(255,255,255,.90);
  backdrop-filter:blur(8px);
}

.service-card,
.method-step,
.product-tile,
.solution-card{
  background:rgba(255,255,255,.92);
}

@media(max-width:720px){
  body:before{
    background-size:auto 100%;
    background-position:center top;
    opacity:.55;
  }
}