@font-face{font-family:Nunito;src:url("/fonts/Nunito-VF.ttf") format("truetype");font-weight:200 1000;font-style:normal;font-display:swap}
:root{
  --azul:#17324F; --azul-osc:#10243A; --oro:#CA9635; --oro-osc:#8A6314; --coral:#E48E75;
  --violeta:#5B2D8E; --crema:#FBF6E9; --crema-2:#F3EAD2; --tinta:#2B3036;
  --gris:#5D6773; --linea:#E8E0CE; --blanco:#fff;
  --radio:16px; --max:1040px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:Nunito,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--tinta);background:var(--blanco);line-height:1.7;font-size:1.0625rem}
img{max-width:100%;height:auto;display:block}
a{color:var(--azul);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--violeta)}
h1,h2,h3{line-height:1.25;color:var(--azul);margin:0 0 .8rem;font-weight:700;letter-spacing:-.005em}
h1{font-size:clamp(1.75rem,3.8vw,2.6rem)}
h2{font-size:clamp(1.4rem,2.6vw,1.9rem)}
h3{font-size:1.1rem}
p{margin:0 0 1.1rem}
.saltar{position:absolute;left:-9999px}
.saltar:focus{left:1rem;top:1rem;background:var(--oro);color:var(--tinta);padding:.6rem 1rem;border-radius:8px;z-index:99}
:focus-visible{outline:3px solid var(--violeta);outline-offset:3px}
.envoltura{max-width:var(--max);margin:0 auto;padding:0 1.5rem}
.estrecha{max-width:680px}
.centrado{text-align:center}
.oculto{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
/* cabecera */
.cabecera{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--linea)}
.barra{display:flex;align-items:center;gap:1rem;min-height:72px}
.marca img{width:170px;height:auto}
.nav{margin-left:auto;display:flex;align-items:center;gap:1.4rem}
.nav a{color:var(--azul);text-decoration:none;font-weight:600;font-size:.94rem;white-space:nowrap}
.nav a:hover{color:var(--violeta)}
.nav a.idioma{color:var(--gris);font-weight:500}
.menu-btn{display:none;margin-left:auto;background:none;border:0;padding:.5rem;cursor:pointer}
.menu-btn span{display:block;width:24px;height:2px;background:var(--azul);margin:5px 0;border-radius:2px}
/* botones */
.btn{display:inline-block;padding:.75rem 1.4rem;border-radius:999px;font-weight:700;
  text-decoration:none;border:1.5px solid transparent;transition:.15s ease;cursor:pointer;font-size:1rem;font-family:inherit}
.btn-azul{background:var(--azul);color:#fff}
.btn-azul:hover{background:var(--azul-osc);color:#fff}
.btn-borde{border-color:var(--azul);color:var(--azul);background:transparent}
.btn-borde:hover{background:var(--crema);color:var(--azul)}
/* bloques */
.bloque{padding:clamp(3.2rem,7vw,5.5rem) 0}
.bloque-crema{background:var(--crema)}
.etiqueta{font-size:.98rem;font-weight:600;color:var(--violeta);margin-bottom:.5rem}
.entrada{font-size:1.1rem;color:var(--gris);max-width:62ch}
.centrado .entrada{margin-left:auto;margin-right:auto}
.nota{font-size:.9rem;color:var(--gris)}
/* hero */
.hero{padding:clamp(2.6rem,6vw,4.8rem) 0 clamp(2.4rem,5vw,4rem)}
.hero-rej{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.hero h1{text-wrap:balance;max-width:20ch}
.hero .entrada{margin:1.2rem 0 1.8rem}
.acciones{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:1.3rem}
.hero-libro img{border-radius:8px;box-shadow:0 14px 34px rgba(23,50,79,.14);max-width:340px;margin-left:auto}
/* datos del libro: una línea tranquila, sin bloque de color */
.datos{border-top:1px solid var(--linea);border-bottom:1px solid var(--linea);padding:1rem 0}
.datos ul{display:flex;gap:.3rem 2rem;flex-wrap:wrap;justify-content:center;margin:0;padding:0;list-style:none;
  font-size:.96rem;color:var(--azul)}
.datos li::before{content:"·";color:var(--oro);margin-right:.5rem;font-weight:800}
/* rejillas */
.rej{display:grid;gap:2rem}
.rej-3{grid-template-columns:repeat(3,1fr)}
.rej-2{grid-template-columns:repeat(2,1fr)}
.rej-4{grid-template-columns:repeat(4,1fr);gap:1.1rem}
.tarjeta{background:var(--blanco);border:1px solid var(--linea);border-radius:var(--radio);padding:1.5rem}
.tarjeta h3{margin-top:0}
.tarjeta p:last-child{margin-bottom:0}
a.tarjeta{display:block;text-decoration:none;color:var(--tinta)}
a.tarjeta:hover{border-color:var(--oro)}
a.tarjeta p{color:var(--gris);font-size:.96rem}
.enlace-flecha{color:var(--azul);font-weight:600;font-size:.94rem}
.idea h3{color:var(--azul)}
.idea p{color:var(--gris)}
.foto img{border-radius:12px}
/* formulario */
.captura{max-width:520px;margin:1.6rem auto 0;text-align:left}
.captura-fila{display:flex;gap:.6rem;margin-bottom:.8rem;flex-wrap:wrap}
.captura input[type=email]{flex:1 1 220px;padding:.8rem 1.1rem;border-radius:999px;
  border:1.5px solid var(--linea);font:inherit;background:#fff;color:var(--tinta)}
.captura input[type=email]:focus{border-color:var(--azul);outline:none}
.consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.88rem;color:var(--gris);margin-top:.5rem}
.consent input{margin-top:.3rem}
/* listas */
.lista-marca{list-style:none;padding:0;margin:0}
.lista-marca li{position:relative;padding-left:1.6rem;margin-bottom:.7rem}
.lista-marca li::before{content:"";position:absolute;left:.2rem;top:.7rem;width:.5rem;height:.5rem;border-radius:50%;background:var(--oro)}
.lista-no li::before{background:#B9C2CC}
/* pie */
.pie{background:var(--crema);color:var(--azul);padding:3.2rem 0 2rem;font-size:.95rem;border-top:1px solid var(--linea)}
.pie-red{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2.4rem}
.pie img{width:170px}
.pie-lema{margin-top:1rem;max-width:32ch;color:var(--gris)}
.pie-t{color:var(--azul);font-size:1rem;font-weight:700;margin-bottom:.8rem}
.pie-lista{list-style:none;padding:0;margin:0}
.pie-lista li{margin-bottom:.5rem}
.pie a{color:var(--azul);text-decoration:none}
.pie a:hover{color:var(--violeta);text-decoration:underline}
.pie-legal{border-top:1px solid var(--linea);margin-top:2.2rem;padding-top:1.2rem;font-size:.84rem;color:var(--gris);
  display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:space-between}
.pie-aviso{flex-basis:100%}
@media(max-width:1000px){
  .nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:flex-start;padding:1.1rem 1.5rem;border-bottom:1px solid var(--linea);gap:1rem}
  .nav.abierto{display:flex}
  .menu-btn{display:block}
}
@media(max-width:860px){
  .hero-rej{grid-template-columns:1fr}
  .hero-libro img{margin:0 auto;max-width:300px}
  .rej-3,.rej-2{grid-template-columns:1fr}
  .rej-4{grid-template-columns:1fr 1fr}
  .pie-red{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .marca img{width:140px}
  .rej-4{grid-template-columns:1fr}
  .pie-red{grid-template-columns:1fr}
  .datos ul{flex-direction:column;align-items:flex-start;padding-left:.2rem}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.ico{display:block;width:56px;height:56px;margin:0 0 .9rem}
html{scroll-behavior:smooth}
#recursos{scroll-margin-top:1rem}
.confianza{margin:1.4rem 0 .4rem;color:var(--azul);font-style:italic;font-size:1.02rem}

/* primeros lectores: formulario arriba + portada */
.pl-rej{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem,5vw,3.5rem);align-items:start}
.pl-portada img{border-radius:8px;box-shadow:0 14px 34px rgba(23,50,79,.14);max-width:330px;margin-left:auto;height:auto}
@media (max-width:860px){.pl-rej{grid-template-columns:1fr}.pl-portada{order:2}.pl-portada img{margin:0 auto;max-width:230px}}

.ico{display:block;width:56px;height:56px;margin:0 0 .9rem}
html{scroll-behavior:smooth}
#recursos{scroll-margin-top:1rem}
.confianza{margin:1.4rem 0 .4rem;color:var(--azul);font-style:italic;font-size:1.02rem}
.ficha{list-style:none;margin:1.4rem 0 0;padding:0;border-top:1px solid var(--linea)}
.ficha li{display:flex;justify-content:space-between;gap:1rem;padding:.7rem 0;border-bottom:1px solid var(--linea);font-size:.98rem}
.ficha span{color:var(--gris)}
.ficha b{color:var(--azul);font-weight:700;text-align:right}
.centra-v{align-items:center}
.arriba{align-items:start;gap:2.5rem}
.sep-arriba{margin-top:2rem}
.sep-arriba-s{margin-top:1rem}
.foto img,.foto-libro img{border-radius:12px;width:100%;height:auto}
.foto-libro img{max-width:380px;box-shadow:0 14px 34px rgba(23,50,79,.14)}
.nota-act{font-size:.98rem;color:var(--gris);border-left:3px solid var(--oro);padding-left:1rem;margin:1.6rem 0}
.idea h3{margin-top:0}
.pie-legal{font-size:.9rem}
@media(max-width:860px){
  .hero-rej{display:flex;flex-direction:column;gap:0;align-items:stretch}
  .hero-rej>div:first-child{display:contents}
  .hero-rej>div:first-child>*{order:4}
  .hero-rej>div:first-child>.etiqueta{order:1}
  .hero-rej>div:first-child>h1{order:2}
  .hero-libro{order:3;margin:1.3rem 0 .4rem}
  .hero-libro img{max-width:170px;margin:0}
}
.captura input[type=text]{flex:1 1 220px;padding:.8rem 1.1rem;border-radius:999px;border:1.5px solid var(--linea);font:inherit;background:#fff;color:var(--tinta)}
.captura input[type=text]:focus{border-color:var(--azul);outline:none}
.lista-imp{list-style:none;padding:0;margin:1.6rem 0 2.2rem;display:grid;grid-template-columns:1fr 1fr;gap:.7rem 1.4rem}
.lista-imp li{display:flex;align-items:center;gap:.8rem}
.lista-imp .ico{flex:none}
.lista-imp .sin-ico{padding-left:calc(40px + .8rem)}
@media(max-width:560px){.lista-imp{grid-template-columns:1fr}}