:root{
  --bg:#07111f;--panel:#0d1b2d;--panel2:#12233a;--text:#f6f8fb;--muted:#9cadc2;
  --gold:#f3b63f;--blue:#3e7df6;--line:rgba(255,255,255,.09);--shadow:0 20px 60px rgba(0,0,0,.35)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif}
body.light{--bg:#f4f6f9;--panel:#fff;--panel2:#edf1f7;--text:#101827;--muted:#657086;--line:rgba(10,20,40,.1);--shadow:0 20px 60px rgba(40,50,70,.12)}
button,input,select{font:inherit}.topbar{height:72px;padding:0 5vw;display:flex;align-items:center;gap:30px;border-bottom:1px solid var(--line);position:sticky;top:0;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(16px);z-index:20}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:800}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--gold),#ffda75);color:#17202e;font-family:"Playfair Display";font-size:21px}
.nav{display:flex;gap:8px;margin-left:auto}.nav-btn,.icon-btn,.filter,.secondary-btn{border:0;background:transparent;color:var(--muted);cursor:pointer}.nav-btn{padding:10px 12px}.nav-btn.active{color:var(--text)}.icon-btn{font-size:22px}
.hero{min-height:520px;padding:80px 7vw 55px;display:grid;grid-template-columns:1.2fr .8fr;gap:6vw;align-items:center;background:
radial-gradient(circle at 75% 40%,rgba(62,125,246,.17),transparent 30%),radial-gradient(circle at 10% 20%,rgba(243,182,63,.08),transparent 25%)}
.eyebrow{color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.18em}.hero h1{font-family:"Playfair Display";font-size:clamp(42px,5vw,76px);line-height:.99;margin:17px 0 22px;max-width:850px}.hero h1 span{color:var(--gold)}.hero p{max-width:720px;color:var(--muted);font-size:18px;line-height:1.7}
.hero-actions{display:flex;gap:12px;margin-top:30px}.primary-btn,.secondary-btn{padding:14px 20px;border-radius:12px;text-decoration:none;font-weight:700}.primary-btn{background:var(--gold);color:#141b27}.secondary-btn{border:1px solid var(--line);color:var(--text);background:var(--panel)}
.hero-card{height:330px;position:relative}.mini-cover{position:absolute;width:170px;height:235px;padding:28px 20px;display:flex;flex-direction:column;justify-content:flex-end;font-family:"Playfair Display";font-size:28px;line-height:.9;border-radius:5px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.15)}.mini-cover small{font-family:Inter;font-size:10px;letter-spacing:.16em;margin-top:8px}.c1{background:#cb9839;transform:rotate(-8deg);left:7%;top:35px}.c2{background:#eb642d;transform:rotate(5deg);left:34%;top:0}.c3{background:#3380bf;transform:rotate(12deg);left:57%;top:55px}.c4{background:#3c4a57;transform:rotate(2deg);left:32%;top:85px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 7vw;background:var(--panel)}.stats article{text-align:center;border-right:1px solid var(--line)}.stats article:last-child{border:0}.stats strong{display:block;font-size:28px;color:var(--gold)}.stats span{font-size:12px;color:var(--muted)}
.library-wrap{padding:70px 7vw}.toolbar{display:flex;align-items:end;justify-content:space-between;gap:30px}.toolbar h2,.about h2{font-family:"Playfair Display";font-size:38px;margin:9px 0}.search{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);padding:12px 14px;border-radius:12px;min-width:330px}.search input{border:0;outline:0;background:transparent;color:var(--text);width:100%}.filters{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0}.filter{padding:9px 13px;border:1px solid var(--line);border-radius:30px}.filter.active{background:var(--text);color:var(--bg)}
.book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.book-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.25s;cursor:pointer;position:relative}.book-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.cover{height:220px;padding:22px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,var(--accent),color-mix(in srgb,var(--accent) 60%,#111));color:#fff}.cover .cover-title{font-family:"Playfair Display";font-size:29px;max-width:90%;line-height:1}.cover .cover-author{font-size:11px;letter-spacing:.08em;opacity:.9}.fav-btn{position:absolute;right:12px;top:12px;z-index:2;width:38px;height:38px;border:0;border-radius:50%;background:rgba(0,0,0,.35);color:#fff;cursor:pointer;font-size:18px}.card-body{padding:17px}.tag{font-size:10px;color:var(--gold);font-weight:800;letter-spacing:.1em}.card-body h3{margin:7px 0 4px;font-size:17px}.author{font-size:12px;color:var(--muted)}.card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:15px;color:var(--muted);font-size:11px}.audio-chip{color:var(--text)}.hidden{display:none!important}.empty{text-align:center;color:var(--muted);padding:50px}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.7);display:grid;place-items:center;padding:30px;z-index:50}.modal-panel{width:min(950px,96vw);max-height:88vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);position:relative}.close-btn{position:sticky;float:right;top:14px;right:14px;z-index:3;border:0;border-radius:50%;width:40px;height:40px;font-size:24px;background:var(--panel2);color:var(--text);cursor:pointer}.detail-hero{padding:36px;display:grid;grid-template-columns:190px 1fr;gap:28px}.detail-cover{min-height:260px;border-radius:10px;padding:24px;background:linear-gradient(145deg,var(--accent),color-mix(in srgb,var(--accent) 55%,#101010));display:flex;flex-direction:column;justify-content:flex-end;color:#fff}.detail-cover strong{font-family:"Playfair Display";font-size:28px}.detail-copy h2{font-family:"Playfair Display";font-size:36px;margin:8px 0}.detail-copy p{color:var(--muted);line-height:1.7}.play-btn{border:0;background:var(--gold);color:#17202e;font-weight:800;border-radius:12px;padding:13px 18px;cursor:pointer}.detail-content{padding:0 36px 38px}.detail-content h3{margin-top:30px}.detail-content p,.detail-content li{color:var(--muted);line-height:1.75}.detail-content li{margin-bottom:8px}.quote{border-left:3px solid var(--gold);padding:10px 18px;background:var(--panel2);border-radius:0 12px 12px 0}
.audio-bar{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);width:min(760px,92vw);z-index:60;background:color-mix(in srgb,var(--panel) 95%,transparent);backdrop-filter:blur(18px);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:13px 16px;display:flex;align-items:center;justify-content:space-between}.audio-meta{display:flex;align-items:center;gap:12px}.audio-meta small{display:block;color:var(--gold);font-size:9px;letter-spacing:.1em}.audio-meta strong{font-size:13px}.pulse{width:10px;height:10px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 7px rgba(243,182,63,.12)}.audio-controls{display:flex;gap:8px}.audio-controls button,.audio-controls select{border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:9px;padding:8px 11px}
.about{padding:80px 7vw}.about>p{max-width:760px;color:var(--muted);line-height:1.7}.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:35px}.about-grid article{padding:25px;border:1px solid var(--line);background:var(--panel);border-radius:16px}.about-grid b{color:var(--gold)}.about-grid p{color:var(--muted);line-height:1.6}
footer{padding:45px 7vw;border-top:1px solid var(--line);display:grid;gap:10px;color:var(--muted)}
@media(max-width:1000px){.book-grid{grid-template-columns:repeat(3,1fr)}.hero{grid-template-columns:1fr}.hero-card{display:none}}
@media(max-width:740px){.nav{display:none}.hero{padding-top:55px}.hero h1{font-size:44px}.stats{grid-template-columns:repeat(2,1fr);gap:20px}.stats article:nth-child(2){border:0}.toolbar{align-items:stretch;flex-direction:column}.search{min-width:0}.book-grid{grid-template-columns:repeat(2,1fr)}.detail-hero{grid-template-columns:1fr}.detail-cover{min-height:180px}.about-grid{grid-template-columns:1fr}}
@media(max-width:480px){.book-grid{grid-template-columns:1fr}.hero-actions{flex-direction:column}.stats{padding-left:4vw;padding-right:4vw}.library-wrap,.about{padding-left:5vw;padding-right:5vw}}

.download-card{display:block;margin-top:13px;padding:9px 10px;border-radius:9px;background:var(--panel2);border:1px solid var(--line);color:var(--text);text-align:center;text-decoration:none;font-size:11px;font-weight:700}.detail-actions{display:flex;gap:10px;flex-wrap:wrap}.pdf-btn{display:inline-block;background:var(--panel2);border:1px solid var(--line);color:var(--text);font-weight:800;border-radius:12px;padding:13px 18px;text-decoration:none}.book-grid{grid-template-columns:repeat(4,minmax(0,1fr))}@media(max-width:1150px){.book-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:740px){.book-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.book-grid{grid-template-columns:1fr}}

.chapter-chip{margin-top:9px;font-size:10px;color:var(--gold);font-weight:700}.chapter-note{padding:12px 14px;border-radius:10px;background:var(--panel2);font-size:12px}.chapter-list{display:grid;gap:10px;margin:12px 0 25px}.chapter-item{border:1px solid var(--line);background:var(--panel2);padding:14px 16px;border-radius:12px}.chapter-item span{font-size:9px;letter-spacing:.1em;color:var(--gold);font-weight:800}.chapter-item h4{margin:5px 0 7px;font-size:14px}.chapter-item p{margin:0;color:var(--muted);line-height:1.6;font-size:13px}

.power-lessons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:14px 0 24px}.power-lesson{padding:15px;border:1px solid rgba(243,182,63,.26);background:color-mix(in srgb,var(--panel2) 90%,#f3b63f 10%);border-radius:13px}.power-lesson b{color:var(--gold);font-size:12px;letter-spacing:.04em}.power-lesson p{margin:6px 0 0!important}.chapter-chip{margin-top:10px;font-size:10px;color:var(--gold)}@media(max-width:650px){.power-lessons{grid-template-columns:1fr}}


/* Suscripciones y pagos */
.subscription-section{padding:72px 7vw 86px;min-height:70vh}.subscription-head{max-width:780px;margin-bottom:34px}.subscription-head h2{font-family:"Playfair Display";font-size:44px;margin:8px 0 12px}.subscription-head p{color:var(--muted);font-size:16px;line-height:1.7}.pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch}.price-card{position:relative;padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:20px;display:flex;flex-direction:column;box-shadow:0 12px 36px rgba(0,0,0,.08)}.price-card.featured{border-color:rgba(243,182,63,.55);transform:translateY(-6px);box-shadow:0 24px 60px rgba(0,0,0,.2)}.plan-label{font-size:10px;letter-spacing:.14em;color:var(--gold);font-weight:800}.price-card h3{font-size:21px;margin:8px 0 10px}.price{display:flex;align-items:baseline;gap:7px;margin-bottom:13px}.price strong{font-size:34px}.price span{font-size:12px;color:var(--muted)}.price-card ul{padding-left:19px;color:var(--muted);line-height:1.7;font-size:13px;flex:1}.price-card li{margin:7px 0}.popular-badge{position:absolute;right:16px;top:16px;background:var(--gold);color:#17202e;padding:6px 9px;border-radius:20px;font-size:9px;font-weight:900;letter-spacing:.08em}.saving{display:inline-block;align-self:flex-start;background:rgba(243,182,63,.12);color:var(--gold);border:1px solid rgba(243,182,63,.2);padding:6px 9px;border-radius:20px;font-size:10px;font-weight:700;margin-bottom:4px}.plan-btn{display:block;width:100%;border:0;border-radius:11px;background:var(--gold);color:#17202e;font-weight:800;text-align:center;text-decoration:none;padding:13px 14px;cursor:pointer}.secondary-plan{background:var(--panel2);color:var(--text);border:1px solid var(--line)}.checkout-panel{margin-top:32px;padding:28px;display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;background:linear-gradient(145deg,var(--panel),var(--panel2));border:1px solid rgba(243,182,63,.28);border-radius:20px}.checkout-copy h3{font-family:"Playfair Display";font-size:30px;margin:8px 0}.checkout-copy p{color:var(--muted);line-height:1.65}.payment-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.payment-badges span{padding:8px 10px;border:1px solid var(--line);background:var(--panel);border-radius:8px;font-size:10px;font-weight:800}.checkout-form{display:grid;gap:13px}.checkout-form label{font-size:11px;font-weight:700;color:var(--muted)}.checkout-form input[type="text"],.checkout-form input[type="email"]{width:100%;margin-top:6px;padding:12px 13px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--text);outline:none}.checkout-form input:focus{border-color:var(--gold)}.terms-line{display:flex!important;align-items:flex-start;gap:9px;font-weight:500!important;line-height:1.45}.terms-line input{margin-top:3px}.checkout-submit{border:0;border-radius:11px;background:var(--gold);color:#17202e;padding:13px 15px;font-weight:900;cursor:pointer}.checkout-submit:disabled{opacity:.6;cursor:wait}.checkout-message{min-height:18px;margin:0;color:var(--muted);font-size:12px}.checkout-message.error{color:#ff8b8b}.checkout-form small{color:var(--muted);line-height:1.5}.security-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px}.security-strip article{padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.security-strip b{display:block;font-size:12px;margin-bottom:5px}.security-strip span{font-size:10px;color:var(--muted)}
.result-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 30%,rgba(243,182,63,.12),transparent 32%),var(--bg)}.result-card{width:min(620px,94vw);padding:48px;text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.result-card h1{font-family:"Playfair Display";font-size:38px}.result-card p{color:var(--muted);line-height:1.7;margin-bottom:28px}.result-icon{width:64px;height:64px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;background:var(--gold);color:#17202e;font-size:30px;font-weight:900}.result-icon.neutral{background:var(--panel2);color:var(--text)}
@media(max-width:900px){.pricing-grid{grid-template-columns:1fr}.price-card.featured{transform:none}.checkout-panel{grid-template-columns:1fr}.security-strip{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.subscription-section{padding-left:5vw;padding-right:5vw}.security-strip{grid-template-columns:1fr}.subscription-head h2{font-size:36px}}

/* V8 - capítulos ampliados */
.chapter-expanded{padding:22px!important;margin-bottom:18px!important}.chapter-expanded h4{font-size:18px;margin:7px 0 14px}.chapter-section{padding:12px 14px;margin:10px 0;border-left:3px solid var(--line);background:color-mix(in srgb,var(--panel2) 72%,transparent);border-radius:0 10px 10px 0}.chapter-section b{display:block;color:var(--text);font-size:12px;letter-spacing:.03em;margin-bottom:5px}.chapter-section p{margin:0!important}.chapter-application{border-left-color:var(--gold)}.chapter-lesson{border-left-color:#56a8ff}.chapter-question{margin-top:12px;padding:12px 14px;border:1px dashed var(--line);border-radius:10px;color:var(--muted);font-style:italic}

.audio-status{display:block;margin-top:3px;color:var(--muted);font-size:10px;max-width:430px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}