:root{
  --bg:#0b1220;            /* azul petróleo muy oscuro */
  --card:#0f172a;          /* slate-900 */
  --muted:#94a3b8;         /* slate-400 */
  --text:#e5e7eb;          /* gray-200 */
  --brand:#10b981;         /* verde confianza */
  --brand-2:#2563eb;       /* azul confianza */
  --cta:#f97316;           /* naranja CTA alternativo */
  --ring: rgba(16,185,129,.35);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 18px;
  --gap: 20px;
  --maxw: 1200px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,'Helvetica Neue',Arial,'Noto Sans','Apple Color Emoji','Segoe UI Emoji';
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(37,99,235,.15), transparent 60%),
    radial-gradient(900px 400px at 10% -20%, rgba(16,185,129,.18), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:12px}
.container{width:min(100% - 32px, var(--maxw));margin-inline:auto}

/* Header */
header{position:sticky;top:0;z-index:40;backdrop-filter:saturate(1.2) blur(10px);background:linear-gradient(to bottom, rgba(11,18,32,.85), rgba(11,18,32,.35));border-bottom:1px solid rgba(148,163,184,.12)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.3px}
.logo-badge{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;box-shadow:var(--shadow)}
.logo-badge svg{width:20px;height:20px}
.logo img{width:36px;height:36px;border-radius:10px}
nav a{opacity:.9;font-weight:500;margin:0 10px}
.nav-ctas{display:flex;align-items:center;gap:10px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 18px;border-radius:999px;font-weight:700;border:1px solid transparent;box-shadow:0 4px 14px rgba(0,0,0,.25);transition:transform .15s ease,box-shadow .15s ease,background .25s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(0,0,0,.35)}
.btn svg{width:18px;height:18px;flex:none;display:inline-block;vertical-align:middle}
.btn-primary{background:linear-gradient(135deg,var(--brand),#13c08e);color:#071216;border-color:rgba(255,255,255,.08)}
.btn-secondary{background:rgba(37,99,235,.15);color:#dbeafe;border:1px solid rgba(37,99,235,.45)}
.btn-ghost{background:transparent;border:1px solid rgba(148,163,184,.25);color:var(--text)}

/* Hero */
section{padding:64px 0}
.hero{position:relative;overflow:visible}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(28px,4.8vw,58px);line-height:1.05;margin:0 0 12px;letter-spacing:-.5px}
.hero p{font-size:clamp(16px,2vw,20px);color:var(--muted);margin:0 0 24px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap}

/* Animated background orbs */
.orbs{position:absolute;inset:-30% -20% auto -20%;height:130%;pointer-events:none;z-index:-1}
.orb{position:absolute;filter:blur(90px);opacity:.35;border-radius:50%;mix-blend-mode:screen}
.orb.one{width:480px;height:480px;background:#22c55e;top:-5%;left:-10%;animation:float 12s ease-in-out infinite}
.orb.two{width:540px;height:540px;background:#3b82f6;top:10%;right:-8%;animation:float 16s ease-in-out infinite reverse}
.orb.three{width:320px;height:320px;background:#10b981;bottom:-10%;left:20%;animation:float 20s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0) translateX(0)}50%{transform:translateY(-22px) translateX(12px)}}

/* Cards & sections */
.section-title{font-size:clamp(22px,3.2vw,36px);margin:0 0 10px;text-align:center}
.section-sub{color:var(--muted);margin:0 auto 28px;max-width:760px;text-align:center}
.grid{display:grid;gap:var(--gap)}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}

.card{background:linear-gradient(180deg,rgba(255,255,255,.02),transparent);border:1px solid rgba(148,163,184,.15);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted)}

/* Value list */
.value-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.value-item{display:flex;gap:14px;align-items:flex-start;padding:18px;border:1px solid rgba(148,163,184,.18);border-radius:16px;background:rgba(2,6,23,.45)}
.value-item .chip{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:rgba(16,185,129,.15);border:1px solid rgba(16,185,129,.35);flex-shrink:0}
.value-item svg{flex:none;width:22px;height:22px}

/* How it works */
.steps{counter-reset:step}
.step{position:relative;padding:22px;border:1px solid rgba(148,163,184,.18);border-radius:16px;background:rgba(15,23,42,.66);overflow:hidden}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:10px;right:12px;font-weight:800;font-size:24px;color:rgba(148,163,184,.25)}
.step .mini{font-size:14px;color:var(--muted)}
.step .icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(37,99,235,.18);margin-bottom:8px}
.step:hover{transform:translateY(-2px);transition:transform .2s ease}

/* Calculator */
.calc-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:start}
.calc form{display:grid;gap:14px}
.calc label{font-size:14px;color:var(--muted)}
.calc input,.calc select{width:100%;background:rgba(2,6,23,.6);color:var(--text);border:1px solid rgba(148,163,184,.25);border-radius:12px;padding:12px 14px;outline:none}
.calc input:focus,.calc select:focus{box-shadow:0 0 0 4px var(--ring);border-color:var(--brand)}
.calc-help{font-size:12px;color:var(--muted)}
.calc-results{display:none}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:12px}
.stat{padding:16px;border-radius:14px;background:rgba(148,163,184,.08);border:1px solid rgba(148,163,184,.12)}
.stat b{font-size:20px;display:block}

/* Testimonials */
.testi{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.testi .item{padding:22px;border-radius:16px;border:1px solid rgba(148,163,184,.15);background:rgba(2,6,23,.55)}
.person{display:flex;align-items:center;gap:12px;margin-top:14px}
.avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#1f2937,#111827);overflow:hidden}

/* CTA */
.cta{text-align:center;background:linear-gradient(135deg,rgba(16,185,129,.15),rgba(37,99,235,.12));border:1px solid rgba(148,163,184,.15);border-radius:20px;padding:36px;box-shadow:var(--shadow)}

/* Footer */
footer{font-size:14px;color:var(--muted);border-top:1px solid rgba(148,163,184,.15);padding:28px 0}
.footer-grid{display:grid;gap:20px;grid-template-columns:1fr auto;align-items:center}
.legal a{color:#b6c3d8;text-decoration:underline}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* Responsive */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .calc-wrap{grid-template-columns:1fr}
  .grid-3,.value-list,.testi{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;text-align:center}
}