:root{
  --bg:#ffffff; --fg:#0e1a2b; --muted:#5a6678; --muted-bg:#f4f6fa;
  --border:#e2e8f0; --primary:#1e3a8a; --primary-glow:#3b5fbf; --primary-fg:#ffffff;
  --whatsapp:#25d366; --whatsapp-fg:#ffffff;
  --shadow-card:0 8px 24px -12px rgba(30,58,138,.18);
  --shadow-elegant:0 20px 50px -20px rgba(30,58,138,.35);
  --gradient-hero:linear-gradient(135deg,rgba(14,26,43,.92),rgba(30,58,138,.85));
  --gradient-primary:linear-gradient(135deg,var(--primary),var(--primary-glow));
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--fg);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 1rem}
@media(min-width:768px){.container{padding:0 1.5rem}}

/* Navbar */
.navbar{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem}
@media(min-width:768px){.navbar-inner{padding:.75rem 1.5rem}}
.brand img{height:40px;width:auto}
@media(min-width:768px){.brand img{height:48px}}
.nav-links{display:none;gap:1.5rem;align-items:center}
@media(min-width:768px){.nav-links{display:flex}}
.nav-links a{font-size:.875rem;font-weight:500;color:#475569;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--primary);font-weight:600}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:500;border-radius:.5rem;padding:.5rem 1rem;font-size:.875rem;cursor:pointer;border:none;transition:all .2s;text-decoration:none}
.btn-sm{padding:.5rem .875rem;font-size:.875rem}
.btn-lg{padding:.75rem 1.5rem;font-size:1rem}
.btn-xl{padding:1rem 2rem;font-size:1.05rem}
.btn-primary{background:var(--primary);color:var(--primary-fg)}
.btn-primary:hover{background:var(--primary-glow)}
.btn-whatsapp{background:var(--whatsapp);color:var(--whatsapp-fg)}
.btn-whatsapp:hover{filter:brightness(1.05)}
.btn-hero{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(8px)}
.btn-hero:hover{background:rgba(255,255,255,.25)}

/* Hero */
.hero{position:relative;overflow:hidden;isolation:isolate}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero .overlay{position:absolute;inset:0;background:var(--gradient-hero);z-index:-1}
.hero-content{padding:6rem 0;color:#fff}
@media(min-width:768px){.hero-content{padding:9rem 0}}
.badge-pill{display:inline-flex;align-items:center;gap:.5rem;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:500;backdrop-filter:blur(8px)}
.hero h1{font-size:2.25rem;font-weight:700;line-height:1.1;margin:1.25rem 0 0;max-width:48rem;letter-spacing:-.02em}
@media(min-width:768px){.hero h1{font-size:3.75rem}}
.hero p.lead{font-size:1.125rem;color:rgba(255,255,255,.85);margin:1.25rem 0 0;max-width:42rem}
@media(min-width:768px){.hero p.lead{font-size:1.25rem}}
.hero .actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}

/* Page header (gradient) */
.page-hero{background:var(--gradient-primary);color:var(--primary-fg)}
.page-hero .container{padding-top:4rem;padding-bottom:4rem}
@media(min-width:768px){.page-hero .container{padding-top:6rem;padding-bottom:6rem}}
.page-hero .eyebrow{font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:rgba(255,255,255,.8)}
.page-hero h1{font-size:2.25rem;font-weight:700;margin:.5rem 0 0}
@media(min-width:768px){.page-hero h1{font-size:3rem}}
.page-hero p{margin-top:1rem;max-width:42rem;color:rgba(255,255,255,.85)}

/* Trust badges */
.trust{background:#f8fafc;border-bottom:1px solid var(--border)}
.trust-grid{display:grid;gap:1.5rem;padding:2.5rem 0}
@media(min-width:768px){.trust-grid{grid-template-columns:repeat(3,1fr)}}
.trust-item{display:flex;gap:.75rem;align-items:flex-start}
.trust-icon{flex-shrink:0;width:40px;height:40px;border-radius:.5rem;background:rgba(30,58,138,.1);color:var(--primary);display:flex;align-items:center;justify-content:center}
.trust-item p.t{font-weight:600;margin:0}
.trust-item p.d{margin:.25rem 0 0;font-size:.875rem;color:var(--muted)}

/* Section */
.section{padding:5rem 0}
.section-head{max-width:42rem;margin-bottom:3rem}
.eyebrow{font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--primary)}
.section-head h2{font-size:1.875rem;font-weight:700;margin:.5rem 0 0}
@media(min-width:768px){.section-head h2{font-size:2.25rem}}
.section-head p{margin-top:1rem;color:var(--muted)}

/* Service grid */
.svc-grid{display:grid;gap:1.5rem}
@media(min-width:640px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.svc-grid.cols-4{grid-template-columns:repeat(4,1fr)}.svc-grid.cols-3{grid-template-columns:repeat(3,1fr)}}
.svc-card{display:flex;flex-direction:column;overflow:hidden;border-radius:.75rem;border:1px solid var(--border);background:#fff;box-shadow:var(--shadow-card);transition:transform .25s, box-shadow .25s;position:relative}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-elegant)}
.svc-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--muted-bg)}
.svc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.svc-card:hover .svc-img img{transform:scale(1.05)}
.svc-icon{position:absolute;left:.75rem;top:.75rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:.5rem;background:var(--gradient-primary);color:#fff;box-shadow:0 4px 8px rgba(0,0,0,.2)}
.svc-body{padding:1.25rem}
.svc-body h3{font-size:1.125rem;font-weight:600;margin:0}
.svc-body p{margin:.5rem 0 0;font-size:.875rem;color:var(--muted);line-height:1.6}

/* CTA banner */
.cta-banner{background:var(--gradient-primary);color:var(--primary-fg)}
.cta-inner{display:flex;flex-direction:column;gap:1.5rem;padding:4rem 0;align-items:flex-start}
@media(min-width:768px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between}}
.cta-inner h2{font-size:1.5rem;font-weight:700;margin:0}
@media(min-width:768px){.cta-inner h2{font-size:1.875rem}}
.cta-inner p{margin:.5rem 0 0;color:rgba(255,255,255,.85)}

/* Center action */
.center-action{margin-top:3rem;display:flex;justify-content:center}

/* Nosotros */
.about-grid{display:grid;gap:3rem}
@media(min-width:768px){.about-grid{grid-template-columns:repeat(2,1fr);align-items:center}}
.about-grid h1{font-size:2.25rem;font-weight:700;margin:.5rem 0 0}
@media(min-width:768px){.about-grid h1{font-size:3rem}}
.about-grid p{color:var(--muted);margin-top:1rem}
.about-list{list-style:none;padding:1.5rem;margin:0;display:grid;gap:.75rem;border:1px solid var(--border);border-radius:.75rem;background:#fff;box-shadow:var(--shadow-card)}
.about-list li{display:flex;gap:.75rem;align-items:flex-start}
.check{flex-shrink:0;color:var(--primary);margin-top:2px}

/* Footer */
.footer{background:var(--primary);color:var(--primary-fg)}
.footer-grid{display:grid;gap:2rem;padding:3rem 0}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(3,1fr)}}
.footer h3{font-size:1.25rem;font-weight:700;margin:0}
.footer h4{font-weight:600;margin:0 0 .75rem}
.footer p, .footer li{font-size:.875rem;color:rgba(255,255,255,.8)}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}
.footer a:hover{color:#fff}
.footer .row{display:flex;align-items:center;gap:.5rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer-bottom p{text-align:center;font-size:.75rem;padding:1rem;margin:0;color:rgba(255,255,255,.7)}

/* WhatsApp float */
.wa-float{position:fixed;bottom:1.25rem;right:1.25rem;z-index:50;width:56px;height:56px;border-radius:9999px;background:var(--whatsapp);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(37,211,102,.4);transition:transform .2s}
.wa-float:hover{transform:scale(1.1)}
@media(min-width:768px){.wa-float{width:64px;height:64px}}
.wa-ping{position:absolute;inset:0;border-radius:9999px;background:var(--whatsapp);opacity:.3;animation:ping 1.6s cubic-bezier(0,0,.2,1) infinite}
@keyframes ping{75%,100%{transform:scale(1.6);opacity:0}}

/* Icon sizing */
.icon{width:18px;height:18px;stroke-width:2;stroke:currentColor;fill:none;stroke-linecap:round;stroke-linejoin:round}
.icon-sm{width:14px;height:14px}
.icon-lg{width:24px;height:24px}
.icon-xl{width:28px;height:28px}