:root{
  --blue-electric:#0B5FFF;
  --blue-electric-dark:#0A3FCC;
  --blue-vivid:#2C7CFF;
  --cyan:#00E0FF;
  --ink:#0F172A;
  --slate:#475569;
  --slate-light:#94A3B8;
  --bg:#FFFFFF;
  --bg-soft:#F4F7FF;
  --border:#E2E8F0;
  --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.55;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1160px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-soft{background:var(--bg-soft)}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--blue-electric-dark);
  background:rgba(47,111,255,.09);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:18px;
}
h1,h2,h3{margin:0 0 16px;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(34px,5vw,54px);line-height:1.08}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.15}
h3{font-size:20px}
p{color:var(--slate);margin:0 0 16px}
.section-head{max-width:680px;margin:0 auto 48px;text-align:center}
.section-head p{margin:0}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{font-weight:800;font-size:20px;letter-spacing:-.02em;color:var(--ink);display:flex;align-items:center;gap:8px}
.logo .dot{width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,var(--blue-electric),var(--cyan))}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:14.5px;font-weight:600;color:var(--slate)}
.nav a:hover{color:var(--blue-electric-dark)}
.nav-cta{display:flex;gap:10px;align-items:center}
.menu-toggle{display:none;background:none;border:none;font-size:26px;cursor:pointer;color:var(--ink)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:12px;font-weight:700;font-size:14.5px;
  border:2px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  background:linear-gradient(135deg,var(--blue-electric),var(--cyan));
  color:#fff;box-shadow:0 8px 24px rgba(47,111,255,.35);
}
.btn-primary:hover{box-shadow:0 12px 28px rgba(47,111,255,.45)}
.btn-outline{background:#fff;color:var(--blue-electric-dark);border-color:var(--border)}
.btn-outline:hover{border-color:var(--blue-electric)}
.btn-ghost{background:transparent;color:var(--ink);border-color:transparent}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:9px}
.btn-block{width:100%}

/* Hero — bloque azul vivo a todo lo ancho, con potencia real (no pastel, no marino pesado) */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 500px at 8% 0%, rgba(0,224,255,.35) 0%, transparent 55%),
    linear-gradient(155deg, var(--ink) 0%, var(--blue-electric-dark) 30%, var(--blue-electric) 62%, var(--blue-vivid) 82%, var(--cyan) 100%);
  padding:110px 0 92px;
  color:#fff;
}
.hero .eyebrow{background:rgba(255,255,255,.16);color:#fff}
.hero h1{color:#fff}
.hero p{color:#DCE8FF}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-stats{display:flex;gap:32px;margin-top:44px;flex-wrap:wrap}
.hero-stat b{display:block;font-size:26px;font-weight:800;color:#fff}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.65);font-weight:600}
.hero-visual{
  position:relative;border-radius:24px;overflow:hidden;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(6px);
  aspect-ratio:4/3.1;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 30px 70px -20px rgba(2,10,40,.55);
}
.hero-visual .placeholder-note{
  color:#fff;text-align:center;padding:32px;font-weight:700;font-size:14px;
  background:rgba(255,255,255,.08);border:2px dashed rgba(255,255,255,.55);
  border-radius:16px;margin:24px;
}
.hero-visual svg{position:absolute;inset:0;opacity:.5}

/* Problem grid */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.problem-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 22px;transition:box-shadow .15s ease,transform .15s ease;
}
.problem-card:hover{box-shadow:0 16px 32px -18px rgba(15,23,42,.18);transform:translateY(-2px)}
.problem-card .ic{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(47,111,255,.1);color:var(--blue-electric-dark);font-size:20px;margin-bottom:14px;
}
.problem-card p{margin:0;font-weight:600;color:var(--ink);font-size:14.5px}

/* Solutions */
.solutions-group{margin-bottom:56px}
.solutions-group:last-child{margin-bottom:0}
.group-label{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.group-label .badge{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#fff;font-size:14px;
}
.badge-a{background:linear-gradient(135deg,var(--blue-electric),var(--blue-electric-dark))}
.badge-b{background:linear-gradient(135deg,var(--cyan),#0891B2)}
.group-label h3{margin:0;font-size:19px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.solution-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;display:flex;flex-direction:column;height:100%;
}
.solution-card h4{margin:0 0 8px;font-size:16.5px;font-weight:800}
.solution-card .tag{
  display:inline-block;font-size:11.5px;font-weight:700;color:var(--blue-electric-dark);
  background:rgba(47,111,255,.08);padding:3px 10px;border-radius:999px;margin-bottom:12px;width:fit-content;
}
.solution-card p{font-size:14px;margin:0 0 14px;flex:1}
.solution-card .learn{font-size:13.5px;font-weight:700;color:var(--blue-electric-dark)}

/* Method timeline */
.method-steps{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.method-step{text-align:center;position:relative}
.method-step .num{
  width:48px;height:48px;border-radius:14px;margin:0 auto 14px;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;color:#fff;
  background:linear-gradient(135deg,var(--blue-electric),var(--cyan));
}
.method-step h4{font-size:14.5px;margin:0 0 6px}
.method-step p{font-size:12.5px;margin:0;color:var(--slate-light)}

/* Results */
.results-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.result-item{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px 18px}
.result-item .check{
  flex:none;width:26px;height:26px;border-radius:8px;background:rgba(34,211,238,.15);color:#0891B2;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;
}
.result-item p{margin:0;font-weight:600;color:var(--ink);font-size:14.5px}

/* Evidence */
.evidence-stats{display:flex;gap:40px;flex-wrap:wrap;justify-content:center;margin-bottom:48px}
.evidence-stat{text-align:center}
.evidence-stat b{display:block;font-size:32px;font-weight:800;background:linear-gradient(135deg,var(--blue-electric),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.evidence-stat span{font-size:13px;color:var(--slate);font-weight:600}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}
.placeholder-card{
  border:2px dashed var(--border);border-radius:var(--radius);padding:24px;
  color:var(--slate-light);font-size:13.5px;font-weight:600;text-align:center;
  background:var(--bg-soft);
}
.logo-strip{
  display:flex;gap:18px;flex-wrap:wrap;justify-content:center;
}
.logo-slot{
  width:140px;height:64px;border:2px dashed var(--border);border-radius:12px;
  display:flex;align-items:center;justify-content:center;color:var(--slate-light);font-size:11.5px;font-weight:700;
  background:#fff;
}

/* Final CTA */
.cta-final{
  background:linear-gradient(135deg,var(--ink) 0%,#13224D 55%,var(--blue-electric-dark) 100%);
  border-radius:28px;padding:64px 48px;text-align:center;color:#fff;
}
.cta-final h2{color:#fff}
.cta-final p{color:#C9D6FF;max-width:560px;margin:0 auto 32px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-final .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.cta-final .btn-outline:hover{border-color:#fff}

/* Footer */
.site-footer{background:var(--ink);color:#CBD5E1;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-grid h4{color:#fff;font-size:14px;margin:0 0 16px}
.footer-grid a,.footer-grid p{display:block;font-size:13.5px;color:#94A3B8;margin:0 0 10px}
.footer-grid a:hover{color:#fff}
.footer-bottom{border-top:1px solid #1E293B;padding-top:24px;font-size:12.5px;color:#64748B;text-align:center}

/* Forms */
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:36px;box-shadow:0 20px 50px -30px rgba(15,23,42,.25)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:6px;color:var(--ink)}
.form-field input,.form-field textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:10px;font-size:14.5px;font-family:inherit;
}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--blue-electric)}
.flash{padding:14px 18px;border-radius:12px;font-size:14px;font-weight:600;margin-bottom:20px}
.flash-success{background:rgba(34,211,238,.12);color:#0E7490;border:1px solid rgba(34,211,238,.3)}
.flash-error{background:#FEF2F2;color:#B91C1C;border:1px solid #FECACA}
.contact-info-card{background:var(--bg-soft);border-radius:var(--radius);padding:32px}
.contact-info-card .row{display:flex;gap:12px;align-items:flex-start;margin-bottom:18px}
.contact-info-card .row .ic{
  width:38px;height:38px;border-radius:10px;background:rgba(47,111,255,.1);color:var(--blue-electric-dark);
  display:flex;align-items:center;justify-content:center;flex:none;font-size:17px;
}
.contact-info-card .row b{display:block;font-size:14px}
.contact-info-card .row span{font-size:13.5px;color:var(--slate)}

.prose h2{margin-top:36px}
.prose h2:first-child{margin-top:0}
.prose p{color:var(--slate)}

@media (max-width:900px){
  .nav{display:none}
  .menu-toggle{display:block}
  .hero-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .method-steps{grid-template-columns:repeat(3,1fr)}
  .results-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .testimonial-grid{grid-template-columns:1fr}
  .evidence-stats{gap:24px}
  .form-row{grid-template-columns:1fr}
  .cta-final{padding:48px 24px}
}
@media (max-width:520px){
  .grid-4{grid-template-columns:1fr}
  .method-steps{grid-template-columns:repeat(2,1fr)}
}