*{margin:0;padding:0;box-sizing:border-box}
:root{
  --fondo:#0A0D12;
  --panel:#111720;
  --panel2:#161E29;
  --azul:#0B72C4;
  --azul-claro:#38A9F0;
  --texto:#EAEFF5;
  --tenue:#8D9AAB;
  --borde:rgba(255,255,255,.07);
}
html{scroll-behavior:smooth}
body{
  background:var(--fondo);color:var(--texto);
  font-family:system-ui,-apple-system,'Segoe UI',sans-serif;
  line-height:1.65;overflow-x:hidden;
}
img{max-width:100%;display:block}
.envoltura{max-width:1140px;margin:0 auto;padding:0 20px}

.eyebrow{
  font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--azul-claro);font-weight:700;margin-bottom:12px;
}
h1{font-size:clamp(32px,7.5vw,58px);line-height:1.08;letter-spacing:-.025em;font-weight:800}
h2{font-size:clamp(25px,5.5vw,40px);line-height:1.15;letter-spacing:-.02em;font-weight:800}
h3{font-size:19px;font-weight:700;line-height:1.3}
.azul{color:var(--azul-claro)}

.btn{
  display:inline-block;background:var(--azul);color:#fff;
  border:0;border-radius:11px;padding:17px 30px;
  font-size:16px;font-weight:700;text-decoration:none;cursor:pointer;
  text-align:center;transition:transform .16s,box-shadow .16s;
  box-shadow:0 8px 26px rgba(11,114,196,.38);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(11,114,196,.5)}
.btn-linea{
  display:inline-block;border:1px solid rgba(234,239,245,.25);
  color:var(--texto);border-radius:11px;padding:15px 28px;
  text-decoration:none;font-size:15px;font-weight:600;
}
.micro{font-size:13px;color:var(--tenue);margin-top:12px}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 60px}
.hero-grid{display:grid;gap:30px;align-items:center}
.hero-img{border-radius:18px;overflow:hidden;border:1px solid var(--borde)}
.precio-caja{
  display:inline-flex;align-items:baseline;gap:10px;
  background:var(--panel);border:1px solid var(--borde);
  border-radius:13px;padding:13px 20px;margin:22px 0 20px;
}
.precio-caja .n{font-size:31px;font-weight:800;color:#fff;letter-spacing:-.02em}
.precio-caja .t{font-size:12.5px;color:var(--tenue)}

section{padding:66px 0}
.centro{text-align:center;max-width:720px;margin:0 auto 40px}

/* tarjetas */
.rejilla{display:grid;gap:16px}
.card{
  background:var(--panel);border:1px solid var(--borde);
  border-radius:15px;padding:24px;
}
.card h3{margin-bottom:8px}
.card p{color:var(--tenue);font-size:14.5px}

.lista-recibe{list-style:none;display:grid;gap:11px}
.lista-recibe li{
  display:flex;gap:11px;align-items:flex-start;
  font-size:15px;padding:11px 15px;background:var(--panel);
  border:1px solid var(--borde);border-radius:11px;
}
.lista-recibe li::before{content:'✓';color:var(--azul-claro);font-weight:800;flex-shrink:0}

.flujo{
  display:flex;flex-wrap:wrap;gap:9px;justify-content:center;
  margin-top:26px;
}
.paso{
  background:var(--panel);border:1px solid var(--borde);
  border-radius:999px;padding:9px 17px;font-size:13.5px;font-weight:600;
}
.paso span{color:var(--azul-claro);margin-right:6px}

.herram{display:flex;flex-wrap:wrap;gap:9px;justify-content:center}
.herram span{
  background:var(--panel);border:1px solid var(--borde);
  border-radius:9px;padding:10px 16px;font-size:14px;
}
.aviso{
  max-width:660px;margin:28px auto 0;text-align:center;
  background:rgba(11,114,196,.09);border:1px solid rgba(56,169,240,.28);
  border-radius:13px;padding:19px;font-size:14.5px;color:var(--texto);
}

/* oferta */
.oferta{background:var(--panel2);border-top:1px solid var(--borde);border-bottom:1px solid var(--borde)}
.caja-oferta{
  max-width:520px;margin:0 auto;text-align:center;
  background:var(--fondo);border:1px solid var(--borde);
  border-radius:20px;padding:38px 26px;
}
.caja-oferta .grande{font-size:56px;font-weight:800;letter-spacing:-.03em;line-height:1;margin:8px 0 4px}

/* faq */
details{
  background:var(--panel);border:1px solid var(--borde);
  border-radius:12px;padding:17px 20px;margin-bottom:11px;
}
details summary{cursor:pointer;font-weight:700;font-size:16px;list-style:none}
details summary::-webkit-details-marker{display:none}
details summary::after{content:'+';float:right;color:var(--azul-claro);font-size:20px;line-height:1}
details[open] summary::after{content:'−'}
details p{color:var(--tenue);font-size:14.5px;margin-top:11px}

/* video */
.video-caja{
  max-width:420px;margin:0 auto;border-radius:17px;overflow:hidden;
  border:1px solid var(--borde);background:var(--panel);
}
.video-caja video{width:100%;display:block}
.video-falta{
  aspect-ratio:9/16;display:flex;align-items:center;justify-content:center;
  color:var(--tenue);font-size:14px;text-align:center;padding:20px;
}

footer{background:#06080B;padding:40px 0;text-align:center;border-top:1px solid var(--borde)}
footer p{color:var(--tenue);font-size:13px}
footer nav{display:flex;gap:18px;justify-content:center;margin:14px 0;flex-wrap:wrap}
footer nav a{color:var(--tenue);font-size:13px;text-decoration:none}

/* pago */
#paypal-caja{max-width:420px;margin:22px auto 0;min-height:52px}
.cargando{text-align:center;color:var(--tenue);font-size:13.5px;padding:14px}
.err{
  max-width:420px;margin:14px auto 0;text-align:center;
  background:rgba(220,60,60,.1);border:1px solid rgba(220,60,60,.35);
  border-radius:11px;padding:14px;font-size:14px;color:#FFB4B4;display:none;
}
.err.visible{display:block}

.aparece{opacity:0;transform:translateY(20px);transition:opacity .65s,transform .65s}
.aparece.on{opacity:1;transform:none}

@media(min-width:820px){
  .hero{padding:100px 0 80px}
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:48px}
  section{padding:92px 0}
  .rejilla{grid-template-columns:repeat(3,1fr)}
  .rejilla.dos{grid-template-columns:repeat(2,1fr)}
  .lista-recibe{grid-template-columns:repeat(2,1fr)}
}