/* IA Soluciones — Manual de marca: dorado #C7A548 / negro #000 / gris #1C1C1C / Montserrat + Open Sans */
:root{
  --gold:#C7A548; --black:#000; --dark:#1C1C1C; --white:#fff;
  --muted:#b9b9b9;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--black);color:var(--white);font-family:'Open Sans',system-ui,sans-serif;line-height:1.6}
h1,h2,h3,.btn{font-family:'Montserrat',system-ui,sans-serif;font-weight:800;letter-spacing:.5px}
a{color:var(--gold);text-decoration:none}
img,video{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}

/* Nav */
nav{position:sticky;top:0;z-index:50;background:rgba(0,0,0,.92);backdrop-filter:blur(8px);border-bottom:1px solid #222}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:'Montserrat';font-weight:800;color:var(--gold);font-size:1.15rem;letter-spacing:2px}
nav ul{display:flex;gap:26px;list-style:none;align-items:center}
nav ul a{color:var(--white);font-size:.92rem}
nav ul a:hover{color:var(--gold)}

/* Hero */
.hero{padding:90px 0 70px;text-align:center;background:radial-gradient(ellipse at 50% -20%,#2a230f 0%,var(--black) 60%)}
.hero .kicker{color:var(--gold);font-weight:700;letter-spacing:3px;font-size:.85rem;text-transform:uppercase}
.hero h1{font-size:clamp(2.4rem,7vw,4.6rem);line-height:1.05;margin:18px 0}
.hero h1 .gold{color:var(--gold)}
.hero p.sub{color:var(--muted);max-width:640px;margin:0 auto 34px;font-size:1.12rem}

/* Botones */
.btn{display:inline-block;padding:15px 32px;border-radius:40px;font-size:1rem;font-weight:700;transition:.2s}
.btn-gold{background:var(--gold);color:var(--black)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(199,165,72,.35)}
.btn-line{border:2px solid var(--gold);color:var(--gold);margin-left:12px}
.btn-line:hover{background:var(--gold);color:var(--black)}
.btn-wa{background:#25D366;color:#fff}
.btn-nav{padding:9px 20px;font-size:.85rem}
.btn small{display:block;font-weight:400;font-size:.78rem;opacity:.85}

/* Secciones */
section{padding:72px 0}
.sec-title{text-align:center;font-size:clamp(1.7rem,4.5vw,2.6rem);margin-bottom:10px}
.sec-title .gold{color:var(--gold)}
.sec-sub{text-align:center;color:var(--muted);max-width:620px;margin:0 auto 46px}

/* Grids / cards */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.card{background:var(--dark);border:1px solid #2b2b2b;border-radius:16px;padding:28px}
.card h3{color:var(--gold);font-size:1.12rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.95rem}
.card .big{font-family:'Montserrat';font-weight:800;font-size:2rem;color:var(--white);margin:14px 0 2px}
.card-blk{background:var(--black)}
.sec-dark{background:var(--dark)}
.prod-trial{color:var(--gold);font-size:.85rem}
.prod-note{color:var(--muted);font-size:.85rem}
.prod-cta{margin-top:14px}

/* Stats */
.stats{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-top:40px}
.stat{min-width:200px;text-align:center;padding:26px;background:var(--dark);border-radius:16px;border:1px solid #2b2b2b}
.stat .n{font-family:'Montserrat';font-weight:800;font-size:2.6rem;color:var(--gold)}
.stat .d{color:var(--muted);font-size:.88rem}

/* Pasos metodología */
.paso{display:flex;gap:20px;align-items:flex-start;padding:20px 0;border-bottom:1px solid #222}
.paso .num{font-family:'Montserrat';font-weight:800;font-size:1.6rem;color:var(--gold);min-width:52px}
.paso h3{font-size:1.05rem;margin-bottom:4px}
.paso p{color:var(--muted);font-size:.93rem}

/* Producto (landings) */
.precio{font-family:'Montserrat';font-weight:800;font-size:3rem;color:var(--gold)}
.precio small{font-size:1.1rem;color:var(--muted);font-weight:400}
.trial{display:inline-block;background:rgba(199,165,72,.15);border:1px solid var(--gold);color:var(--gold);border-radius:30px;padding:6px 18px;font-size:.88rem;margin:14px 0}
.video-frame{border-radius:18px;overflow:hidden;border:1px solid #333;box-shadow:0 20px 60px rgba(0,0,0,.6);margin:36px auto;max-width:640px}
ul.benef{list-style:none;max-width:640px;margin:0 auto}
ul.benef li{padding:12px 0 12px 36px;position:relative;color:#ddd;border-bottom:1px solid #1e1e1e}
ul.benef li::before{content:"✓";position:absolute;left:6px;color:var(--gold);font-weight:800}

/* CTA final + footer */
.cta-final{text-align:center;background:linear-gradient(180deg,var(--black),#171307)}
.cta-final h2{font-size:clamp(1.9rem,5vw,3rem)}
footer{border-top:1px solid #222;padding:34px 0;text-align:center;color:#777;font-size:.85rem}
footer a{color:#999}
.center{text-align:center}
@media(max-width:640px){
  nav ul{gap:14px} nav ul li.hide-m{display:none}
  .btn-line{margin-left:0;margin-top:12px}
}