@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&display=swap");

:root{
  --bg:#07111f;
  --bg-2:#0c1c32;
  --bg-3:#102541;
  --ink:#0b1626;
  --muted:#5d6b7f;
  --muted-2:#9aa8bb;
  --line:#dfe6f1;
  --paper:#ffffff;
  --paper-2:#f4f7fb;
  --gold:#d6aa3f;
  --gold-2:#f0cd67;
  --gold-3:#9b6a19;
  --blue:#0c3d7f;
  --danger:#bf2e2e;
  --ok:#1b8f55;
  --shadow:0 24px 70px rgba(3,10,22,.18);
  --radius:22px;
  --radius-sm:14px;
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Montserrat",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  color:var(--ink);
  background:var(--paper);
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--gold-2);
  text-transform:uppercase;
  letter-spacing:.13em;
  font-weight:850;
  font-size:12px;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--gold);display:inline-block}
.section{padding:88px 0}
.section-tight{padding:58px 0}
.section-title{font-size:clamp(32px,4.2vw,56px);line-height:.96;margin:12px 0 14px;letter-spacing:-.04em;font-weight:900}
.section-lead{font-size:18px;line-height:1.65;color:#4e6077;max-width:780px;margin:0}
.dark{background:linear-gradient(135deg,#07111f,#0d2240);color:#fff}
.dark .section-lead{color:#c7d3e4}
.gold{color:var(--gold)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:50px;padding:0 22px;border:1px solid transparent;border-radius:12px;
  font-weight:850;letter-spacing:.01em;cursor:pointer;transition:.18s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#08111e;box-shadow:0 12px 30px rgba(214,170,63,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(214,170,63,.34)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.05)}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-dark{background:#07111f;color:#fff;border-color:#07111f}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(7,17,31,.22)}
.btn-outline{border-color:#d9e1ed;background:#fff;color:#07111f}
.btn-outline:hover{border-color:#07111f;transform:translateY(-2px)}
.skip{position:absolute;left:-999px;top:10px;background:#fff;color:#07111f;padding:10px 14px;z-index:999;border-radius:10px}
.skip:focus{left:10px}
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(5,11,22,.84);backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:24px}
.logo{display:flex;align-items:center;gap:12px;min-width:210px}
.logo img{height:52px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px;color:#fff;font-size:13px;text-transform:uppercase;font-weight:850;letter-spacing:.04em}
.nav-links a{opacity:.86;position:relative}
.nav-links a:hover{opacity:1;color:var(--gold-2)}
.nav-actions{display:flex;align-items:center;gap:12px}
.menu-btn{display:none;background:transparent;color:#fff;border:0;padding:10px;border-radius:10px;cursor:pointer}
.menu-btn span{display:block;width:26px;height:2px;background:#fff;margin:6px 0}
.hero{
  position:relative;overflow:hidden;color:#fff;
  min-height:780px;
  background:#030812 url('../img/portada.webp') center/cover no-repeat;
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,8,18,.96) 0%,rgba(3,8,18,.72) 45%,rgba(3,8,18,.18) 100%)}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:190px;background:linear-gradient(0deg,#07111f,rgba(7,17,31,0))}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;min-height:700px;padding:64px 0 44px}
.hero-copy{max-width:690px}
.hero-kicker{margin-bottom:18px}
.hero h1{
  font-family:"Montserrat",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:clamp(58px,8.3vw,116px);
  line-height:.9;
  margin:0 0 24px;
  letter-spacing:-.055em;
  font-weight:900;
  text-transform:uppercase;
}
.hero h1 span{display:block;color:var(--gold)}
.hero-sub{
  font-family:"Montserrat",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:clamp(19px,2vw,28px);
  line-height:1.38;
  font-weight:600;
  max-width:760px;
  margin:0 0 22px;
  color:#fff;
  letter-spacing:-.015em;
}
.hero-text{
  font-family:"Montserrat",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:18px;
  line-height:1.72;
  font-weight:500;
  color:#f2f6ff;
  max-width:670px;
  margin:0 0 30px;
  letter-spacing:-.012em;
}
.hero-text strong{color:var(--gold);font-weight:800}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:740px}
.hero-badge{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.07);border-radius:16px;padding:14px 16px;min-height:96px}
.hero-badge strong{display:block;font-size:22px;color:var(--gold-2);line-height:1;margin-bottom:8px}
.hero-badge span{font-size:13px;line-height:1.45;color:#c7d3e4;font-weight:700}
.hero-visual{
  position:relative;
  min-height:560px;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  overflow:visible;
}

.trustbar{position:relative;z-index:4;background:linear-gradient(90deg,#06111f,#0e315d);border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);color:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px}
.trust-item{padding:24px 20px;display:flex;gap:16px;align-items:flex-start;background:rgba(255,255,255,.03)}
.trust-icon{width:44px;height:44px;border:2px solid var(--gold);border-radius:14px;display:grid;place-items:center;color:var(--gold);font-weight:900;flex:0 0 44px}
.trust-item strong{display:block;font-size:18px;margin-bottom:4px}
.trust-item span{color:#c7d3e4;font-size:13px;line-height:1.45}
.offer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px}
.offer-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 14px 34px rgba(13,31,54,.08);transition:.18s ease;position:relative;overflow:hidden}
.offer-card::before{content:"";position:absolute;inset:0 0 auto 0;height:5px;background:linear-gradient(90deg,var(--gold),transparent)}
.offer-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.offer-card h3{font-size:25px;line-height:1.1;margin:16px 0 12px;letter-spacing:-.03em}
.offer-card p{color:#51637a;line-height:1.65;margin:0 0 18px}
.offer-tag{display:inline-flex;background:#07111f;color:#fff;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.07em}
.offer-card ul{padding:0;margin:18px 0 0;list-style:none;display:grid;gap:10px;color:#26364d;font-weight:700}
.offer-card li{display:flex;gap:10px;align-items:flex-start}
.offer-card li::before{content:"✓";color:var(--gold);font-weight:950}
.method{position:relative;overflow:hidden}
.method::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 78% 20%,rgba(214,170,63,.18),transparent 34%);pointer-events:none}
.method-grid{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.method-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.method-panel h3{font-size:32px;margin:0 0 14px;line-height:1.1}
.method-panel p{margin:0;color:#dbe6f7;line-height:1.65}
.method-steps{display:grid;gap:16px}
.step{display:grid;grid-template-columns:66px 1fr;gap:18px;padding:22px;border-radius:20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.step-num{width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#07111f;display:grid;place-items:center;font-weight:950;font-size:24px}
.step h3{margin:0 0 8px;font-size:22px}
.step p{margin:0;color:#c7d3e4;line-height:1.6}
.topic-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:38px}
.topic-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 12px 34px rgba(13,31,54,.08);transition:.18s ease}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.topic-media{aspect-ratio:1.28/1;background:#0c1c32;overflow:hidden}
.topic-card img{width:100%;height:100%;object-fit:cover}
.topic-body{padding:18px}
.topic-body h3{font-size:18px;line-height:1.05;margin:0 0 9px;text-transform:uppercase;letter-spacing:-.025em}
.topic-body p{font-size:14px;line-height:1.55;color:#56677e;margin:0}
.book-section{background:linear-gradient(135deg,#f7f9fd,#ffffff)}
.book-grid{display:grid;grid-template-columns:1fr .82fr;gap:54px;align-items:center}
.book-copy .section-title{max-width:720px}
.check-list{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:13px;font-weight:760;color:#26364d}
.check-list li{display:flex;gap:12px;align-items:flex-start}
.check-list li::before{content:"✓";width:24px;height:24px;border-radius:999px;background:#07111f;color:#d6aa3f;display:grid;place-items:center;flex:0 0 24px;font-weight:950;font-size:14px;margin-top:1px}
.book-card{position:relative;padding:28px;border-radius:28px;background:linear-gradient(135deg,#07111f,#0d2240);box-shadow:var(--shadow);min-height:520px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.book-card::before{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(214,170,63,.25);border-radius:50%;right:-120px;top:-110px}
.book-card img{position:relative;z-index:2;max-height:520px}
.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:38px}
.content-card{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);border-radius:var(--radius);padding:28px;min-height:260px}
.content-card h3{font-size:28px;margin:0 0 12px;line-height:1.1}
.content-card p{color:#c7d3e4;line-height:1.65;margin:0 0 18px}
.content-card ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;color:#e9f0fb;font-weight:700}
.content-card li{display:flex;gap:10px}.content-card li::before{content:"•";color:var(--gold);font-weight:950}
.stats{background:#07111f;color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.09);border-radius:var(--radius);overflow:hidden}
.stat{background:linear-gradient(135deg,#07111f,#0e315d);padding:26px;text-align:center}
.stat strong{display:block;font-size:clamp(34px,4vw,54px);line-height:1;color:#fff;letter-spacing:-.04em}
.stat span{display:block;color:#d6aa3f;font-weight:900;text-transform:uppercase;font-size:12px;letter-spacing:.09em;margin-top:10px}
.test-contact{display:grid;grid-template-columns:.92fr 1.08fr;gap:42px;align-items:start}
.testimonials{display:grid;gap:16px;margin-top:28px}
.quote{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(13,31,54,.06)}
.quote p{margin:0 0 18px;line-height:1.65;color:#465a73}.quote p::before{content:"“";font-size:42px;line-height:0;color:var(--gold);font-weight:900}.quote strong{display:block}.quote span{font-size:13px;color:#65758a}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:30px}
.contact-card h2{font-size:34px;line-height:1;margin:0 0 10px;letter-spacing:-.04em}.contact-card p{color:#56677e;line-height:1.6;margin:0 0 24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}label{font-weight:780;font-size:13px;color:#24354c}input,select,textarea{border:1px solid #d9e1ed;border-radius:12px;padding:13px 14px;background:#fff;color:#07111f;outline:none}textarea{resize:vertical;min-height:120px}input:focus,select:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(214,170,63,.15)}.privacy{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:#53657c;line-height:1.45}.privacy input{margin-top:2px}.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.notice{display:none;margin-top:14px;padding:12px 14px;border-radius:12px;font-weight:750}.notice.ok{display:block;background:#ecfff5;color:#0b6c3e}.notice.err{display:block;background:#fff1f1;color:#a02121}
.footer{background:#030812;color:#fff;padding:42px 0 24px}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.footer img{height:58px;width:auto}.footer-links{display:flex;gap:22px;flex-wrap:wrap;color:#c7d3e4;font-weight:760;font-size:13px;text-transform:uppercase}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#9aa8bb;font-size:13px}
.float-whatsapp{position:fixed;right:18px;bottom:18px;z-index:120;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#1c9a5b;color:#fff;box-shadow:0 16px 36px rgba(0,0,0,.22);font-size:26px}.float-whatsapp:hover{transform:translateY(-2px)}
.utility-page{min-height:100vh;background:linear-gradient(135deg,#07111f,#0d2240);color:#fff;display:grid;place-items:center;padding:40px 20px}.utility-card{width:min(720px,100%);background:#fff;color:#07111f;border-radius:28px;padding:44px;box-shadow:var(--shadow)}.utility-card h1{font-size:46px;line-height:1;margin:0 0 18px}.utility-card p{color:#4e6077;line-height:1.7}.utility-card .btn{margin-top:14px}
@media(max-width:1050px){
  .nav-links,.nav-actions{display:none}
  .menu-btn{display:block}

  .site-header.open .nav-links{
    display:flex;
    position:absolute;
    left:20px;
    right:20px;
    top:78px;
    background:#07111f;
    border:1px solid rgba(255,255,255,.1);
    border-radius:18px;
    padding:20px;
    flex-direction:column;
    align-items:flex-start;
  }

  .site-header.open .nav-actions{
    display:flex;
    position:absolute;
    left:20px;
    right:20px;
    top:326px;
    background:#07111f;
    border-radius:18px;
    padding:0 20px 20px;
  }

  .hero-grid,.method-grid,.book-grid,.test-contact{
    grid-template-columns:1fr;
  }

  .hero-visual{
    min-height:440px;
    justify-content:center;
  }

  .book-stack{
    margin-inline:auto;
    transform:translateX(45px);
    width:min(315px,78%);
  }

  .topic-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .offer-grid,.trust-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .content-grid{
    grid-template-columns:1fr;
  }
}
@media(max-width:680px){
  .container{width:min(100% - 28px,var(--max))}
  .section{padding:64px 0}
  .hero{min-height:auto}
  .hero-grid{padding:42px 0 38px;min-height:auto}
  .hero h1{font-size:64px;line-height:.92;letter-spacing:-.055em}
  .hero-sub{font-size:20px;line-height:1.45;font-weight:600}
  .hero-text{font-size:16px;line-height:1.7;font-weight:500}
  .hero-badges,.offer-grid,.trust-grid,.topic-grid,.stats-grid,.form-grid{grid-template-columns:1fr}

  .hero-visual{
    min-height:auto;
    justify-content:center;
  }

  .book-stack{
    width:min(250px,76vw);
    margin-inline:auto;
    transform:translateX(0);
  }

  .book-stack .book{
    transform:rotate(0deg);
  }

  .book-stack::after{
    position:static;
    display:block;
    margin:18px auto 0;
  }

  .book-stack::before{
    display:none;
  }

  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{display:grid}
  .utility-card{padding:30px}
  .utility-card h1{font-size:36px}
  .float-whatsapp{width:52px;height:52px}
}