:root{
  --bg:#0f1115; --bg2:#13161d; --card:#171a21; --txt:#e8eaed; --muted:#a0a6b0;
  --accent:#6c5ce7; --accent2:#00cec9; --line:#262a33; --dark:#2d3436;
  --shadow:0 18px 50px -20px rgba(108,92,231,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--txt);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* HEADER */
#header{position:sticky;top:0;z-index:50;background:rgba(15,17,21,.7);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:.3s}
#header.scrolled{background:rgba(15,17,21,.92);border-bottom-color:var(--line)}
.nav{display:flex;justify-content:space-between;align-items:center;padding:16px 0}
.logo{font-weight:800;font-size:22px;letter-spacing:-.5px}
.logo span{color:var(--accent2)}
.links{display:flex;align-items:center;gap:28px}
.links a{color:var(--muted);font-weight:500;font-size:15px;transition:.2s}
.links a:hover{color:var(--txt)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}

/* BUTTONS */
.btn{display:inline-block;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;padding:13px 24px;border-radius:12px;font-weight:700;font-size:15px;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s;font-family:inherit}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:16px 32px;font-size:16px}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:var(--accent2);box-shadow:none}

/* HERO */
.hero{position:relative;padding:90px 0 70px;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;top:-30%;left:50%;transform:translateX(-50%);width:900px;height:900px;background:radial-gradient(circle,rgba(108,92,231,.22),transparent 60%);pointer-events:none}
.hero-inner{position:relative}
.badge{display:inline-block;background:var(--card);border:1px solid var(--line);color:var(--muted);padding:7px 16px;border-radius:30px;font-size:14px;font-weight:500;margin-bottom:24px}
.hero h1{font-size:clamp(34px,5.5vw,58px);font-weight:800;letter-spacing:-1.5px;line-height:1.08;margin-bottom:22px}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lead{font-size:19px;color:var(--muted);max-width:580px;margin:0 auto 34px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.trust{display:flex;gap:40px;justify-content:center;margin-top:50px;flex-wrap:wrap}
.trust-item{display:flex;flex-direction:column}
.trust-item strong{font-size:26px;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.trust-item span{font-size:14px;color:var(--muted)}

/* SECTIONS */
.section{padding:80px 0}
.section.alt{background:var(--bg2)}
.head{text-align:center;margin-bottom:50px}
.head h2{font-size:clamp(28px,4vw,38px);font-weight:800;letter-spacing:-.8px;margin-bottom:10px}
.sub{color:var(--muted);font-size:18px;max-width:560px;margin:0 auto}

/* GRID CARDS */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px;transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:var(--accent)}
.card .ic{width:50px;height:50px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}

/* STEPS */
.steps{display:grid;gap:20px;max-width:720px;margin:0 auto}
.step{display:flex;gap:20px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.step .num{flex:0 0 auto;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:#fff}
.step h3{font-size:19px;margin-bottom:4px}
.step p{color:var(--muted);font-size:15px}

/* CALCULADORA */
.calc{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:38px;max-width:860px;margin:0 auto}
.calc-inputs{display:flex;flex-direction:column;gap:30px;justify-content:center}
.calc-inputs label{font-weight:600;font-size:15px;display:flex;flex-direction:column;gap:12px}
.range-row{display:flex;align-items:center;gap:16px}
.range-row input[type=range]{flex:1;-webkit-appearance:none;appearance:none;height:6px;border-radius:6px;background:var(--line);outline:none}
.range-row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.4)}
.range-row input[type=range]::-moz-range-thumb{width:22px;height:22px;border:none;border-radius:50%;background:var(--accent2);cursor:pointer}
.range-row output{min-width:64px;text-align:right;font-weight:800;font-size:18px;color:var(--accent2)}
.calc-result{background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:16px;padding:30px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff}
.calc-label{font-size:15px;opacity:.9}
.calc-amount{font-size:46px;font-weight:800;line-height:1.1;margin:6px 0}
.calc-year{font-size:15px;opacity:.95;margin-bottom:20px}
.calc-result .btn{background:#fff;color:var(--accent)}
.calc-result .btn:hover{box-shadow:0 10px 30px -10px rgba(0,0,0,.5)}

/* PRECIOS */
.prices{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:20px;align-items:stretch}
.price{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:32px;display:flex;flex-direction:column;position:relative;transition:transform .25s}
.price:hover{transform:translateY(-4px)}
.price.featured{border-color:var(--accent);box-shadow:var(--shadow)}
.tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:12px;font-weight:700;padding:5px 14px;border-radius:30px}
.price h3{font-size:21px;margin-bottom:4px}
.price .amt{font-size:34px;font-weight:800;margin:8px 0}
.price .amt small{font-size:15px;color:var(--muted);font-weight:500}
.price ul{list-style:none;margin:18px 0 26px}
.price li{padding:9px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--muted)}
.price li::before{content:"✓";color:var(--accent2);font-weight:800;margin-right:8px}
.price .btn{margin-top:auto;text-align:center}

/* FAQ */
.faq{max-width:720px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 24px;margin-bottom:12px;transition:border-color .2s}
.faq details[open]{border-color:var(--accent)}
.faq summary{font-weight:700;cursor:pointer;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;color:var(--accent2);font-weight:400;transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--muted);margin-top:12px;font-size:15px}

/* CONTACTO */
.final{padding:90px 0;text-align:center;background:var(--bg2)}
.final h2{font-size:clamp(28px,4vw,38px);font-weight:800;letter-spacing:-.8px;margin-bottom:12px}
.lead-form{max-width:460px;margin:32px auto 0;display:flex;flex-direction:column;gap:14px}
.lead-form input,.lead-form textarea{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;color:var(--txt);font-size:15px;font-family:inherit;resize:vertical}
.lead-form input:focus,.lead-form textarea:focus{outline:none;border-color:var(--accent2)}
.form-note{color:var(--muted);font-size:13px}
.contact-pills{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.pill{background:var(--card);border:1px solid var(--line);padding:11px 20px;border-radius:30px;font-size:15px;transition:.2s}
.pill:hover{border-color:var(--accent2);transform:translateY(-2px)}

/* FOOTER */
footer{border-top:1px solid var(--line);padding:34px 0;text-align:center;color:var(--muted);font-size:14px}

/* WHATSAPP FLOAT */
.wa-float{position:fixed;bottom:24px;right:24px;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;font-size:28px;box-shadow:0 8px 24px rgba(0,0,0,.35);z-index:60;transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}

/* REVEAL ANIM */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}

/* MOBILE */
@media(max-width:780px){
  .links{position:fixed;inset:0 0 0 auto;width:78%;max-width:320px;background:var(--bg2);flex-direction:column;align-items:flex-start;justify-content:center;gap:28px;padding:40px;transform:translateX(100%);transition:transform .3s;border-left:1px solid var(--line)}
  .links.open{transform:none}
  .links a{font-size:18px}
  .burger{display:flex;z-index:70}
  .burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .calc{grid-template-columns:1fr;padding:26px}
  .trust{gap:28px}
  .section{padding:60px 0}
}