:root{
  --bg:#ffffff;
  --bg-soft:#f6f8fb;
  --ink:#101828;
  --muted:#667085;
  --line:#e6eaf0;
  --primary:#4682b4;
  --primary-dark:#2f6792;
  --accent:#f3f8fc;
  --shadow:0 24px 80px rgba(16,24,40,.10);
  --shadow-soft:0 14px 40px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}.container{width:min(1120px,calc(100% - 40px));margin-inline:auto}.narrow{width:min(790px,calc(100% - 40px));text-align:center}.section{padding:96px 0}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.78);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,234,240,.72)}.nav{height:76px;display:flex;align-items:center;gap:28px}.brand img{width:154px;height:auto}.nav-links{display:flex;align-items:center;gap:24px;margin-left:auto;font-size:14px;font-weight:600;color:#344054}.nav-links a:hover{color:var(--primary)}.nav-cta{background:var(--primary);color:white;padding:11px 18px;font-size:14px;font-weight:700;box-shadow:0 12px 24px rgba(70,130,180,.22)}.nav-toggle{display:none;border:0;background:transparent;font-size:26px}.hero{padding:104px 0 88px;background:linear-gradient(90deg,rgba(255,255,255,.92) 0%,rgba(255,255,255,.82) 42%,rgba(255,255,255,.64) 100%),url("fondo_hero.jpg") center/cover no-repeat}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:68px}.eyebrow{font-size:13px;text-transform:uppercase;letter-spacing:.14em;font-weight:800;color:var(--primary);margin:0 0 14px}.hero h1,.section h2{letter-spacing:-.055em;line-height:1.02;margin:0}.hero h1{font-size:clamp(44px,6vw,74px)}.section h2{font-size:clamp(34px,4vw,54px)}.hero-sub{font-size:20px;color:var(--muted);margin:24px 0 30px;max-width:660px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 21px;font-weight:800;font-size:15px;transition:.2s ease;border:1px solid transparent}.btn-primary{background:var(--primary);color:white;box-shadow:0 14px 30px rgba(70,130,180,.24)}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn-secondary{background:white;color:var(--ink);border-color:var(--line);box-shadow:0 10px 22px rgba(16,24,40,.04)}.btn-secondary:hover{border-color:#cfd8e3;transform:translateY(-1px)}.full{width:100%}.trust-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.trust-row span{font-size:13px;font-weight:700;color:#475467;background:white;border:1px solid var(--line);padding:8px 11px}.hero-visual{position:relative;min-height:520px}.phone-card{position:absolute;right:54px;top:20px;width:min(390px,100%);background:white;border:1px solid var(--line);box-shadow:var(--shadow);padding:20px}.search-bar{background:#f2f4f7;color:#344054;padding:13px 14px;font-size:14px;margin-bottom:14px}.business-card{display:flex;justify-content:space-between;gap:16px;border:1px solid var(--line);padding:16px;margin:12px 0;background:#fff}.business-card.active{border-color:#b8d7ee;background:#f7fbff}.business-card p{margin:4px 0 0;color:var(--muted);font-size:14px}.pill{font-size:12px;font-weight:800;color:var(--primary);background:#e9f3fb;padding:6px 8px;height:max-content}.pill.muted{color:#667085;background:#f2f4f7}.ai-reply{margin-top:18px;background:#101828;color:white;padding:18px;box-shadow:0 18px 44px rgba(16,24,40,.18)}.ai-reply span{font-size:12px;color:#9ad0f1;font-weight:800}.ai-reply p{margin:8px 0 0;font-size:14px}.floating-stat{position:absolute;background:white;border:1px solid var(--line);box-shadow:var(--shadow-soft);padding:16px 18px}.floating-stat strong{display:block;font-size:28px;letter-spacing:-.05em}.floating-stat span{font-size:13px;color:var(--muted);font-weight:700}.stat-one{left:0;top:100px}.stat-two{right:0;bottom:60px}.problem{background:white}.problem p{font-size:20px;color:var(--muted)}.quote-box{margin-top:28px;padding:24px;background:var(--bg-soft);border-left:4px solid var(--primary);font-size:19px;font-weight:700;text-align:left}.diagnostic{background:var(--bg-soft)}.diagnostic-grid{display:grid;grid-template-columns:1fr 420px;gap:70px;align-items:center}.diagnostic p{color:var(--muted);font-size:18px}.check-list{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:12px}.check-list li{position:relative;padding-left:30px;font-weight:700}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:900}.lead-form{background:white;border:1px solid var(--line);box-shadow:var(--shadow-soft);padding:28px}.lead-form h3{font-size:24px;letter-spacing:-.035em;margin:0 0 20px}.lead-form label{display:grid;gap:7px;font-size:13px;font-weight:800;color:#344054;margin-bottom:14px}.lead-form input{height:48px;border:1px solid #d0d5dd;padding:0 14px;font:inherit}.lead-form input:focus{outline:2px solid rgba(70,130,180,.22);border-color:var(--primary)}.form-note{font-size:12px!important;color:#667085!important;margin:14px 0 0}.section-heading{text-align:center;max-width:760px;margin:0 auto 48px}.section-heading p{color:var(--muted)}.steps,.feature-grid,.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.step-card,.feature-card,.price-card{background:white;border:1px solid var(--line);padding:28px;box-shadow:0 10px 26px rgba(16,24,40,.04)}.step-card span{color:var(--primary);font-weight:900}.step-card h3,.feature-card h3,.price-card h3{font-size:22px;letter-spacing:-.035em;margin:12px 0 10px}.step-card p,.feature-card p,.price-card li{color:var(--muted)}.platform{background:linear-gradient(180deg,#fff 0,#f7f9fc 100%)}.mini-ui{min-height:150px;background:var(--bg-soft);border:1px solid var(--line);padding:18px;margin-bottom:22px;display:flex;flex-direction:column;justify-content:center}.mini-ui span{font-weight:900;color:var(--primary)}.mini-ui p{margin:12px 0 0;color:#344054}.flywheel{background:#fbfcfd}.flywheel-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center}.flywheel p{color:var(--muted);font-size:18px}.wheel{position:relative;aspect-ratio:1/1;width:min(430px,100%);margin-left:auto;border-radius:50%;background:radial-gradient(circle,#fff 0 28%,#eaf4fb 29% 52%,#fff 53% 100%);border:1px solid var(--line);box-shadow:var(--shadow)}.wheel:before{content:"";position:absolute;inset:54px;border:1px dashed rgba(70,130,180,.4);border-radius:50%;animation:spin 24s linear infinite}.wheel-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--primary);color:#fff;font-weight:900;padding:20px 24px}.wheel span{position:absolute;background:white;border:1px solid var(--line);box-shadow:0 12px 28px rgba(16,24,40,.08);padding:12px 14px;font-weight:800;font-size:14px}.w1{left:50%;top:5%;transform:translateX(-50%)}.w2{right:-2%;top:31%}.w3{right:8%;bottom:14%}.w4{left:8%;bottom:14%}.w5{left:-4%;top:31%}@keyframes spin{to{transform:rotate(360deg)}}.authority{background:white}.authority-grid{display:grid;grid-template-columns:340px 1fr;align-items:center;gap:70px}.book-cover{height:460px;background:linear-gradient(145deg,#fff,#f5f7fb);border:1px solid var(--line);box-shadow:var(--shadow-soft);padding:38px;display:flex;flex-direction:column;justify-content:space-between}.book-title{font-size:56px;font-weight:900;line-height:.95;letter-spacing:-.06em;color:#7b1d0f}.book-title span{color:#111}.book-cover p{font-weight:900;text-transform:uppercase;letter-spacing:.08em}.text-link{font-weight:900;color:var(--primary)}.pricing{background:var(--bg-soft)}.price-card{position:relative}.price-card.recommended{border:2px solid var(--primary);transform:translateY(-10px)}.tag{position:absolute;right:20px;top:18px;background:var(--primary);color:white;font-size:12px;font-weight:900;padding:6px 9px}.price{font-size:38px;font-weight:900;letter-spacing:-.05em;margin:8px 0 18px}.price span{font-size:14px;color:var(--muted);font-weight:700}.price-card ul{padding:0;margin:0 0 24px;list-style:none;display:grid;gap:10px}.price-card li:before{content:"✓ ";color:var(--primary);font-weight:900}.conference-card{background:#101828;color:white;padding:48px;display:flex;justify-content:space-between;gap:40px;align-items:center;box-shadow:var(--shadow)}.conference-card p{color:#d0d5dd}.conference-card .eyebrow{color:#9ad0f1}.final-cta{text-align:center;background:linear-gradient(180deg,#fff,#f7fbff)}.final-cta p{font-size:19px;color:var(--muted)}.footer{background:#07090d;color:white;padding:46px 0}.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer img{width:140px;filter:brightness(0) invert(1)}.footer a{color:#d0d5dd;margin-right:18px;font-weight:700}.footer p{color:#98a2b3;font-size:14px;margin:0}.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:translateY(0)}.delay-1{transition-delay:.12s}.delay-2{transition-delay:.22s}@media (max-width:900px){.nav-toggle{display:block;margin-left:auto}.nav-links,.nav-cta{display:none}.nav.open .nav-links{display:flex;position:absolute;top:76px;left:20px;right:20px;background:white;border:1px solid var(--line);box-shadow:var(--shadow-soft);padding:20px;flex-direction:column;align-items:flex-start}.hero-grid,.diagnostic-grid,.flywheel-grid,.authority-grid{grid-template-columns:1fr}.hero-visual{min-height:500px}.phone-card{right:auto;left:50%;transform:translateX(-50%)}.steps,.feature-grid,.pricing-grid{grid-template-columns:1fr}.price-card.recommended{transform:none}.conference-card,.footer-grid{flex-direction:column;align-items:flex-start}.section{padding:72px 0}}@media (max-width:560px){.container,.narrow{width:min(100% - 28px,1120px)}.hero h1{font-size:40px}.section h2{font-size:34px}.hero-sub{font-size:18px}.hero-visual{min-height:460px}.floating-stat{display:none}.phone-card{width:100%}.book-cover{height:390px}.book-title{font-size:44px}.conference-card{padding:30px}.nav{height:68px}.brand img{width:130px}}


/* Book authority section: real cover image */
.book-cover.real-book{
  height:auto;
  min-height:0;
  padding:18px;
  justify-content:center;
  background:#fff;
}
.book-cover.real-book img{
  width:100%;
  height:auto;
  display:block;
  object-fit:contain;
  box-shadow:0 18px 44px rgba(16,24,40,.12);
}
.authority .reveal.delay-1 p + p{
  margin-top:14px;
}
@media (max-width:560px){
  .book-cover.real-book{height:auto;padding:14px;}
}

/* Updated authority/books section */
.authority-grid-books{
  grid-template-columns:minmax(260px,390px) 1fr;
  align-items:start;
  gap:76px;
}
.book-cover.real-book.main-book{
  align-self:start;
  padding:18px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.book-cover.real-book.main-book img{
  width:100%;
  height:auto;
  object-fit:contain;
  box-shadow:0 18px 44px rgba(16,24,40,.10);
}
.authority-content{
  align-self:start;
  padding-top:18px;
}
.authority-content h2{
  max-width:820px;
}
.authority-lead{
  font-size:19px;
  line-height:1.7;
  color:#344054;
  margin-top:24px;
}
.authority-content > p:not(.eyebrow):not(.authority-lead){
  font-size:18px;
  line-height:1.7;
  color:var(--muted);
  margin:18px 0 0;
}
.zombi-book-card{
  display:grid;
  grid-template-columns:118px 1fr;
  gap:22px;
  align-items:center;
  margin:30px 0 24px;
  padding:20px;
  background:linear-gradient(180deg,#fff,#f9fbfd);
  border:1px solid var(--line);
  box-shadow:0 12px 30px rgba(16,24,40,.05);
}
.zombi-book-card img{
  width:118px;
  height:auto;
  border:1px solid rgba(16,24,40,.08);
  box-shadow:0 12px 28px rgba(16,24,40,.10);
}
.zombi-book-card h3{
  margin:0 0 8px;
  font-size:22px;
  line-height:1.18;
  letter-spacing:-.035em;
}
.zombi-book-card p{
  margin:0;
  color:var(--muted);
  font-size:16px;
  line-height:1.62;
}
@media (max-width:900px){
  .authority-grid-books{grid-template-columns:1fr;gap:38px;}
  .book-cover.real-book.main-book{max-width:360px;margin-inline:auto;}
  .authority-content{padding-top:0;}
}
@media (max-width:560px){
  .zombi-book-card{grid-template-columns:88px 1fr;gap:16px;padding:16px;}
  .zombi-book-card img{width:88px;}
  .zombi-book-card h3{font-size:19px;}
  .zombi-book-card p{font-size:14px;}
  .authority-lead,.authority-content > p:not(.eyebrow):not(.authority-lead){font-size:16px;}
}


/* Firefox-safe books section: isolated class names to avoid inheritance from previous book-cover rules */
.books-section{
  background:#fff;
}
.books-layout{
  display:grid;
  grid-template-columns:minmax(260px, 390px) minmax(0, 1fr);
  gap:76px;
  align-items:start;
}
.books-left,
.books-copy{
  align-self:start;
  min-width:0;
}
.main-book-frame{
  margin:0;
  padding:18px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  width:100%;
  box-sizing:border-box;
}
.main-book-frame img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:contain;
  box-shadow:0 18px 44px rgba(16,24,40,.10);
}
.books-copy{
  padding-top:12px;
}
.books-copy h2{
  max-width:820px;
}
.book-main-text{
  font-size:18px;
  line-height:1.72;
  color:#344054;
  margin:18px 0 0;
}
.secondary-book{
  display:grid;
  grid-template-columns:118px minmax(0, 1fr);
  gap:22px;
  align-items:center;
  margin:32px 0 24px;
  padding:20px;
  background:linear-gradient(180deg,#fff,#f9fbfd);
  border:1px solid var(--line);
  box-shadow:0 12px 30px rgba(16,24,40,.05);
  box-sizing:border-box;
}
.secondary-book-cover{
  margin:0;
  width:118px;
  max-width:118px;
  min-width:118px;
}
.secondary-book-cover img{
  display:block;
  width:118px;
  max-width:118px;
  height:auto;
  border:1px solid rgba(16,24,40,.08);
  box-shadow:0 12px 28px rgba(16,24,40,.10);
}
.secondary-book-copy{
  min-width:0;
}
.secondary-book-copy h3{
  margin:0 0 8px;
  font-size:22px;
  line-height:1.18;
  letter-spacing:-.035em;
}
.secondary-book-copy p{
  margin:0;
  color:var(--muted);
  font-size:16px;
  line-height:1.62;
}
@media (max-width:900px){
  .books-layout{
    grid-template-columns:1fr;
    gap:38px;
  }
  .books-left{
    max-width:360px;
    margin-inline:auto;
  }
  .books-copy{
    padding-top:0;
  }
}
@media (max-width:560px){
  .main-book-frame{
    padding:14px;
  }
  .secondary-book{
    grid-template-columns:88px minmax(0,1fr);
    gap:16px;
    padding:16px;
  }
  .secondary-book-cover,
  .secondary-book-cover img{
    width:88px;
    max-width:88px;
    min-width:88px;
  }
  .secondary-book-copy h3{
    font-size:19px;
  }
  .secondary-book-copy p,
  .book-main-text{
    font-size:14px;
  }
}

/* Books section v3 */
#libro.books-v3{background:#fff!important;}
#libro .books-v3-grid{display:grid!important;grid-template-columns:minmax(260px,380px) minmax(0,1fr)!important;gap:72px!important;align-items:start!important;}
#libro .books-v3-left,#libro .books-v3-copy{align-self:start!important;min-width:0!important;}
#libro .boca-cover-frame{margin:0!important;padding:18px!important;background:#fff!important;border:1px solid var(--line)!important;box-shadow:var(--shadow-soft)!important;box-sizing:border-box!important;width:100%!important;}
#libro .boca-cover-frame img{display:block!important;width:100%!important;height:auto!important;max-width:100%!important;object-fit:contain!important;box-shadow:0 16px 40px rgba(16,24,40,.08)!important;}
#libro .books-v3-copy{padding-top:6px!important;}
#libro .books-v3-copy h2{max-width:820px!important;}
#libro .books-v3-copy p{font-size:17px!important;line-height:1.72!important;color:#344054!important;}
#libro .zombi-mini{display:grid!important;grid-template-columns:110px minmax(0,1fr)!important;gap:20px!important;align-items:center!important;margin:34px 0 22px!important;padding:18px!important;background:linear-gradient(180deg,#fff,#f9fbfd)!important;border:1px solid var(--line)!important;box-shadow:0 12px 30px rgba(16,24,40,.05)!important;box-sizing:border-box!important;}
#libro .zombi-mini-cover{margin:0!important;width:110px!important;max-width:110px!important;min-width:110px!important;}
#libro .zombi-mini-cover img{display:block!important;width:110px!important;max-width:110px!important;height:auto!important;border:1px solid rgba(16,24,40,.08)!important;box-shadow:0 10px 24px rgba(16,24,40,.10)!important;}
#libro .zombi-mini-copy h3{margin:0 0 8px!important;font-size:21px!important;line-height:1.2!important;letter-spacing:-.03em!important;}
#libro .zombi-mini-copy p{margin:0!important;font-size:15.5px!important;line-height:1.62!important;}
@media (max-width:900px){#libro .books-v3-grid{grid-template-columns:1fr!important;gap:38px!important;}#libro .books-v3-left{max-width:360px!important;margin-inline:auto!important;}#libro .books-v3-copy{padding-top:0!important;}}
@media (max-width:560px){#libro .zombi-mini{grid-template-columns:84px minmax(0,1fr)!important;gap:14px!important;padding:14px!important;}#libro .zombi-mini-cover,#libro .zombi-mini-cover img{width:84px!important;max-width:84px!important;min-width:84px!important;}#libro .books-v3-copy p{font-size:15px!important;}#libro .zombi-mini-copy p{font-size:14px!important;}}

/* Consentimientos del formulario */
.consent-fields{display:grid;gap:7px;margin:2px 0 12px}
.lead-form .consent-option{display:flex!important;align-items:flex-start;gap:8px;margin:0!important;font-size:11px!important;line-height:1.4;font-weight:400!important;color:#475467;cursor:pointer}
.lead-form .consent-option input[type="checkbox"]{appearance:auto!important;width:16px!important;height:16px!important;min-width:16px!important;padding:0!important;margin:0!important;accent-color:var(--primary);cursor:pointer}
.lead-form .consent-option span,.consent-option a{font-weight:400!important}
.consent-option a{color:var(--primary);text-decoration:underline;text-underline-offset:2px}
.form-status{min-height:18px;margin:-2px 0 10px;color:#b42318;font-size:12px;font-weight:700;line-height:1.35}
.lead-form button:disabled{cursor:wait;opacity:.72;transform:none}

/* Educational video section */
.video-section{
  background:#fff;
}
.video-grid{
  display:grid;
  grid-template-columns:minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap:56px;
  align-items:start;
}
.video-copy,
.video-card{
  min-width:0;
}
.video-copy h2{
  font-size:clamp(32px, 3.2vw, 48px);
  line-height:1.06;
}
.video-copy p{
  color:var(--muted);
  font-size:1.02rem;
  line-height:1.75;
}
.video-card{
  background:#fff;
  border:1px solid rgba(15, 23, 42, .08);
  box-shadow:0 24px 70px rgba(15, 23, 42, .12);
  padding:14px;
  width:100%;
}
.video-frame{
  position:relative;
  width:100%;
  aspect-ratio:16 / 9;
  overflow:hidden;
  background:#0b1220;
}
.video-frame iframe{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  border:0;
}
@media (max-width:900px){
  .video-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
}