/* ============================================================
   /libro · «Mentalidad Aumentada» (V19). Se suma a public/comunidad/app.css (mismas variables, nav y footer de la web).
   Landing: .lb-hero .lb-sec .lb-cambios .lb-autor .lb-final · Lectura: .lb-art .lb-hoja · Impresión: @media print
   ============================================================ */

/* ---------- landing ---------- */
.lb-hero{position:relative;padding:calc(74px + clamp(40px,7vh,84px)) 0 clamp(40px,7vh,88px);overflow:hidden;isolation:isolate}
.lb-hero::before{content:"";position:absolute;z-index:-1;width:900px;height:900px;right:-240px;top:-260px;background:radial-gradient(circle,rgba(129,222,0,.16),transparent 62%)}
.lb-hero-g{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,6vw,80px);align-items:center}
.lb-hero h1{font-size:clamp(46px,7.4vw,112px);line-height:.94;letter-spacing:-.045em;font-weight:300;margin:20px 0 20px}
.lb-hero h1 em{font-size:1.06em}
.lb-lead{font-size:clamp(18px,2vw,23px);line-height:1.4;color:var(--read-hi);max-width:560px;letter-spacing:-.01em}
.lb-p{color:var(--read);font-size:16px;line-height:1.7;max-width:600px;margin-top:14px}
.lb-hero .lb-p{margin-top:16px;color:var(--muted)}

/* formulario (hero, cierre y página sin token) */
.lb-form{margin-top:28px;max-width:560px}
.lb-campo{display:flex;gap:10px;flex-wrap:wrap}
.lb-campo input[type=email]{flex:1 1 240px;min-width:0;min-height:52px;border-radius:999px;padding:12px 22px}
.lb-campo .btn{flex:0 0 auto;min-height:52px}
.lb-aviso{margin-top:14px;font-size:13.5px;line-height:1.55;color:var(--read);max-width:520px}
.lb-form .msg{margin-top:12px}
.lb-form .msg:empty{display:none}

/* tapa del libro (la misma de la sección «Mi libro» de la web) */
.lb-book{perspective:1400px;display:grid;place-items:center;padding:10px 0}
.lb-cover{width:min(340px,76vw);aspect-ratio:2/3;border-radius:6px 16px 16px 6px;padding:34px 30px;display:flex;flex-direction:column;justify-content:space-between;
  background:radial-gradient(ellipse at 30% 20%,rgba(129,222,0,.35),transparent 55%),linear-gradient(160deg,#0f1a07,#050604 70%);
  border:1px solid var(--hair-l);box-shadow:-14px 0 0 -2px #0b1006,0 50px 100px -30px rgba(129,222,0,.45);transform:rotateY(-14deg) rotateX(3deg);transition:transform .8s}
.lb-book:hover .lb-cover{transform:rotateY(-4deg)}
.lb-cover small{font-size:9.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--lima)}
.lb-cover b{font-family:var(--sans);font-weight:300;font-size:clamp(36px,4vw,46px);line-height:.98;letter-spacing:-.04em;color:var(--read-hi)}
.lb-cover b em{font-size:1.13em}
.lb-cover span{font-size:13px;color:var(--muted);line-height:1.45}
.lb-cover i{font-style:normal;font-family:var(--display);font-size:24px;letter-spacing:.1em;color:var(--lima)}

/* secciones */
.lb-sec{padding-top:var(--aire)}
.lb-sec>h2{margin:14px 0 26px;max-width:820px}
.lb-nota{margin-top:24px;color:var(--read);font-size:16px;line-height:1.6;max-width:640px}
.lb-checks{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.lb-checks li{display:flex;gap:14px;align-items:flex-start;border:1px solid var(--hair);border-radius:18px;padding:20px 22px;background:var(--ink-2);color:var(--read-hi);font-size:16px;line-height:1.55}
.lb-checks li::before{content:"✓";color:var(--lima);font-weight:700;flex:none;line-height:1.55}

.lb-cambios{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.lb-cambio{display:flex;gap:18px;align-items:flex-start;border:1px solid var(--hair);border-radius:18px;padding:22px 24px;background:var(--ink-2);transition:border-color .3s,transform .3s}
.lb-cambio:hover{border-color:var(--hair-l);transform:translateY(-3px)}
.lb-cambio:last-child{grid-column:1/-1}
.lb-n{font-family:var(--display);font-size:44px;line-height:.9;color:var(--lima);flex:none;min-width:52px}
.lb-cambio h3{font-size:clamp(19px,2vw,23px);letter-spacing:-.025em;line-height:1.2}
.lb-cambio p{margin-top:8px;color:var(--muted);font-size:15px;line-height:1.5}

.lb-autor{display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(28px,5vw,72px);align-items:center}
.lb-foto img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:22px;border:1px solid var(--hair-l);box-shadow:0 40px 90px -40px rgba(129,222,0,.4)}
.lb-autor h2{margin:14px 0 16px}
.lb-frase{font-family:var(--serif);font-style:italic;font-size:clamp(21px,2.4vw,28px);line-height:1.3;color:var(--read-hi);max-width:640px;letter-spacing:-.01em}
.lb-hechos{margin-top:20px}
.lb-autor .fila{margin-top:22px}

.lb-final-sec{padding-bottom:var(--aire)}
.lb-final{border:1px solid var(--hair-l);border-radius:24px;padding:clamp(28px,5vw,56px);background:radial-gradient(ellipse at 0 0,rgba(129,222,0,.14),transparent 60%),var(--ink-2);box-shadow:0 40px 100px -50px rgba(129,222,0,.35)}
.lb-final h2{margin:14px 0 8px;font-size:clamp(30px,4.4vw,56px)}
.lb-final .lb-form{margin-top:22px}
.lb-nota-final{font-size:14px;color:var(--muted);margin-top:18px}
.angosto .lb-final{padding:clamp(22px,4vw,36px)}
.lb-sec.angosto{padding-top:clamp(20px,4vh,40px);padding-bottom:var(--aire)}

/* ---------- lectura: capítulo y hoja ---------- */
.lb-art{padding:calc(74px + 30px) 0 var(--aire)}
.lb-art-g{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:clamp(28px,5vw,64px);align-items:start}
.lb-art-g.sin-toc{grid-template-columns:minmax(0,760px);justify-content:center}
.lb-art-cab,.lb-art .md,.lb-cierre,.lb-pie-print{max-width:740px}
.lb-art-g.sin-toc .lb-art-cab,.lb-art-g.sin-toc .md,.lb-art-g.sin-toc .lb-cierre{max-width:none}
.lb-art-cab h1{font-size:clamp(34px,4.8vw,62px);margin:16px 0 14px;overflow-wrap:anywhere;line-height:1.04}
.lb-art .md{margin-top:34px;font-size:18px;line-height:1.8;color:var(--read)}
.lb-art .md>*+*{margin-top:1.1em}
.lb-art .md h2{margin-top:2em;font-size:clamp(23px,2.8vw,30px);scroll-margin-top:96px}
.lb-art .md h3{margin-top:1.6em;scroll-margin-top:96px}
.lb-art .md blockquote{font-size:1.04em;color:var(--read-hi)}
.lb-art .md hr{margin:2.2em 0}
.lb-art .md strong{color:var(--read-hi)}
.lb-cierre{margin-top:48px}
.lb-pie-print{display:none}
.lb-toc{position:sticky;top:96px}

/* hoja de los 7 cambios */
.lb-hoja .md{font-size:16.5px;line-height:1.65}
.lb-hoja .md>p:first-child strong{color:var(--read-hi)}
.lb-hoja .md table{min-width:0;font-size:15px}
.lb-hoja .md td:first-child{font-family:var(--display);font-size:26px;color:var(--lima);width:46px}
.lb-hoja .md th:first-child{width:46px}
.lb-hoja .md td:nth-child(3){color:var(--read-hi)}
.lb-hoja .md{counter-reset:r}
.lb-hoja .md ol{list-style:none;padding-left:0}
.lb-hoja .md ol li{counter-increment:r;display:flex;gap:12px;align-items:flex-end}
.lb-hoja .md ol li::before{content:counter(r) ".";font-family:var(--display);font-size:22px;color:var(--lima);line-height:1.2}
.lb-hoja .md ul{list-style:none;padding-left:0}
.lb-hoja .md ul li{border-left:2px solid var(--hair-l);padding:2px 0 2px 14px}
.raya{display:inline-block;flex:1 1 120px;min-width:120px;width:100%;max-width:100%;height:1.1em;border-bottom:1px solid var(--muted-2);vertical-align:bottom}
.lb-hoja .md p .raya{width:min(100%,520px)}

@media (max-width:1020px){
  .lb-hero-g,.lb-autor{grid-template-columns:1fr}
  .lb-cover{transform:none}
  .lb-foto{max-width:420px}
  .lb-art-g,.lb-art-g.sin-toc{grid-template-columns:minmax(0,1fr)}
  .lb-toc{position:static;order:-1}
}
@media (max-width:640px){
  .lb-checks,.lb-cambios{grid-template-columns:1fr}
  .lb-campo .btn{width:100%}
  .lb-cambio{padding:18px 18px;gap:14px}
  .lb-n{font-size:38px;min-width:44px}
  .lb-art .md{font-size:17px;line-height:1.75}
  .lb-art-cab h1{font-size:clamp(30px,9vw,42px)}
  .lb-book{padding-top:0}
  .lb-cover{width:min(300px,80vw)}
  .lb-acciones .btn{width:100%}
  /* la tabla de la hoja se apila: cada fila es una tarjeta con el nombre de su columna */
  .lb-hoja .tbl{border:0;overflow:visible}
  .lb-hoja .md table,.lb-hoja .md thead,.lb-hoja .md tbody,.lb-hoja .md tr,.lb-hoja .md td{display:block}
  .lb-hoja .md thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .lb-hoja .md tr{border:1px solid var(--hair);border-radius:16px;padding:14px 16px;margin-bottom:12px;background:var(--ink-2)}
  .lb-hoja .md td{border:0;padding:4px 0;width:auto}
  .lb-hoja .md td::before{content:attr(data-l);display:block;font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--lima);margin-bottom:2px}
  .lb-hoja .md td:first-child{font-size:inherit;font-family:var(--mono);color:var(--lima);width:auto}
  .lb-hoja .md td:first-child::before{content:"Cambio ";display:inline;margin:0}
}

/* ---------- impresión: sobre todo la hoja, también sirve para el capítulo ---------- */
@media print{
  @page{size:A4;margin:10mm 12mm}
  html,body{background:#fff!important;color:#000!important;min-height:0!important;overflow:visible!important}
  .grain,.nav,.skip,footer,.lb-no-print,.ap-toc,.migas,.invita{display:none!important}
  .lb-art{padding:0!important}
  .lb-art .wrap{max-width:none!important;padding:0!important}
  .lb-art-g,.lb-art-g.sin-toc{display:block!important}
  .lb-art-cab,.lb-art .md{max-width:none!important}
  .lb-art-cab h1{color:#000!important;font-size:21pt!important;margin:1mm 0 2mm!important;letter-spacing:-.01em}
  .lb-art-cab .kicker{color:#000!important;letter-spacing:.2em}
  .kicker::before{display:none!important}
  .ap-meta{color:#333!important;margin:0 0 2mm!important}
  .ap-meta .mono{color:#333!important}
  .lb-art .md{color:#000!important;font-size:10.5pt!important;line-height:1.45!important;margin-top:3mm!important}
  .lb-hoja .md{font-size:9.5pt!important;line-height:1.35!important}
  .lb-hoja .md>*+*{margin-top:.5em!important}
  .lb-hoja .md ul,.lb-hoja .md ol{gap:2px!important}
  .lb-art .md *{color:#000!important;background:transparent!important;box-shadow:none!important}
  .lb-art .md h2{font-size:14pt!important;margin-top:7mm!important;break-after:avoid}
  .lb-hoja .md h2{font-size:12pt!important;margin-top:3mm!important}
  .lb-art .md blockquote{border-left:2px solid #000!important}
  .lb-art .md hr{border-top:1px solid #999!important;margin:5mm 0!important}
  .lb-hoja .md hr{margin:2mm 0!important}
  .lb-art .md li::marker{color:#000!important}
  .tbl{border:1px solid #000!important;border-radius:0!important;overflow:visible!important}
  .lb-hoja .md table{display:table!important;width:100%!important;min-width:0!important;font-size:9.5pt!important;border-collapse:collapse!important}
  .lb-hoja .md thead{display:table-header-group!important;position:static!important;width:auto!important;height:auto!important;clip:auto!important;overflow:visible!important}
  .lb-hoja .md tbody{display:table-row-group!important}
  .lb-hoja .md tr{display:table-row!important;border:0!important;padding:0!important;margin:0!important;break-inside:avoid}
  .lb-hoja .md th,.lb-hoja .md td{display:table-cell!important;border:1px solid #777!important;padding:1.2mm 2mm!important;vertical-align:top!important}
  .lb-hoja .md th{background:#eee!important;font-size:8pt!important}
  .lb-hoja .md td::before{display:none!important;content:none!important}
  .lb-hoja .md td:first-child{font-family:inherit!important;font-size:12pt!important;font-weight:700;width:9mm!important}
  .lb-hoja .md ul li{border-left:2px solid #000!important}
  .lb-hoja .md ol li::before{color:#000!important}
  .raya{border-bottom:1px solid #000!important;height:1.15em!important}
  .lb-hoja .lb-pie-print,.lb-hoja .ap-meta{display:none!important}
  .lb-pie-print{display:block!important;margin-top:8mm;font-size:8.5pt;color:#444!important;border-top:1px solid #999;padding-top:2mm;max-width:none!important}
  a{color:#000!important;text-decoration:none!important}
}