@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(/fuentes/inter-Regular.woff) format("woff")}
@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(/fuentes/inter-Bold.woff) format("woff")}
@font-face{font-family:Inter;font-style:italic;font-weight:400;font-display:swap;src:url(/fuentes/inter-Italic.woff) format("woff")}

:root{
  --blanco:#FFFFFF;--gris:#F5F5F7;--gris2:#E8E8ED;--linea:#E5E5EA;--borde:#C7C7CC;
  --tinta:#1D1D1F;--tinta2:#424245;--suave:#6E6E73;--negro:#000000;--claro:#F5F5F7;--claro2:#A1A1A6;
  --acento:#2357C2;--acento-osc:#163F96;--acento-claro:#6CA6FF;
  --ancho:1024px;--margen:22px;--radio:28px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--blanco);color:var(--tinta);font-family:Inter,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:1.0625rem;line-height:1.5;letter-spacing:-.01em;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--acento)}a:hover{color:var(--acento-osc)}
:focus-visible{outline:2px solid var(--acento);outline-offset:3px}
.oculto{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.saltar{position:absolute;left:-9999px}.saltar:focus{left:12px;top:12px;background:var(--blanco);padding:8px 12px;z-index:10}

/* Cabecera */
.cab{background:rgba(250,250,252,.92);border-bottom:1px solid var(--linea);position:sticky;top:0;z-index:5;backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px)}
.cab__in{max-width:var(--ancho);margin:0 auto;padding:0 var(--margen);min-height:52px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0 28px}
.marca{color:var(--tinta);font-weight:700;font-size:1.0625rem;letter-spacing:-.02em;text-decoration:none;padding:12px 0}
.marca:hover{color:var(--tinta)}
.nav{display:flex;flex-wrap:wrap;gap:0 24px;font-size:.8125rem}
.nav a{color:var(--tinta);text-decoration:none;padding:14px 0}
.nav a:hover,.nav a[aria-current]{color:var(--acento)}

/* Bloques */
.bloque{padding:96px var(--margen)}
.bloque--gris{background:var(--gris)}
.bloque--negro{background:var(--negro);color:var(--claro)}
.centro{display:flex;flex-direction:column;align-items:center;text-align:center}
.caja{max-width:var(--ancho);margin:0 auto}
.estrecha{max-width:40rem;margin:0 auto}
.pila{display:flex;flex-direction:column;gap:18px}
.antetitulo{margin:0;font-size:1.0625rem;font-weight:700;color:var(--acento)}
.bloque--negro .antetitulo{color:var(--claro2)}
.titular{margin:0;font-size:clamp(2.5rem,7vw,5rem);font-weight:700;line-height:1.05;letter-spacing:-.035em;text-wrap:balance}
.t2{margin:0;font-size:clamp(2rem,5vw,3.5rem);font-weight:700;line-height:1.08;letter-spacing:-.03em;text-wrap:balance}
.t3{margin:0;font-size:1.5rem;font-weight:700;letter-spacing:-.02em;line-height:1.2}
.entradilla{margin:0;max-width:36rem;font-size:clamp(1.1875rem,2.2vw,1.5rem);line-height:1.35;color:var(--tinta2);text-wrap:pretty}
.bloque--negro .entradilla{color:var(--claro2)}
.nota{margin:0;font-size:.875rem;color:var(--suave)}
.bloque--negro .nota{color:var(--claro2)}
p{text-wrap:pretty}

.acciones{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px 28px;padding-top:10px}
.boton{display:inline-flex;align-items:center;min-height:46px;padding:0 24px;border-radius:980px;background:var(--acento);color:#fff;text-decoration:none;font-size:1.0625rem;border:0;font:inherit;cursor:pointer}
.boton:hover{background:var(--acento-osc);color:#fff}
.enlace{display:inline-flex;align-items:center;min-height:46px;text-decoration:none;font-size:1.0625rem}
.bloque--negro .enlace{color:var(--acento-claro)}

/* Portada */
.hero{padding:72px var(--margen) 64px}
.figura{margin:36px 0 0;width:100%;display:flex;flex-direction:column;align-items:center;gap:18px}
.figura svg{width:min(520px,88%)}
.figura figcaption{font-size:.875rem;color:var(--suave)}
.cita{margin:0;max-width:16ch;font-size:clamp(2.5rem,7vw,5rem);font-weight:700;line-height:1.05;letter-spacing:-.035em;text-wrap:balance}

.rejilla{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:20px}
.tarjeta{background:var(--blanco);border-radius:var(--radio);padding:36px 32px;display:flex;flex-direction:column;gap:12px}
.bloque:not(.bloque--gris) .tarjeta{background:var(--gris)}
.tarjeta__num{font-size:2.5rem;font-weight:700;letter-spacing:-.03em;color:var(--acento);line-height:1}
.tarjeta p{margin:0;color:var(--tinta2)}

.lista{margin:0;padding:0;list-style:none}
.lista li{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:4px 20px;padding:16px 0;border-bottom:1px solid var(--linea)}
.lista li:last-child{border-bottom:0}
.lista a{font-weight:700;text-decoration:none}
.lista .nota{font-size:.9375rem}
.lista .futuro{color:var(--suave)}

/* Libros */
.libro{background:var(--gris);border-radius:var(--radio);padding:40px 28px 36px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px}
.bloque--gris .libro{background:var(--blanco)}
.portada{width:min(190px,70%);aspect-ratio:2/3;border-radius:6px;box-shadow:0 18px 40px rgba(0,0,0,.18);display:flex;flex-direction:column;justify-content:space-between;padding:20px 18px;text-align:left;margin-bottom:18px;overflow:hidden}
.portada img{width:100%;height:100%;object-fit:cover}
.portada--img{padding:0;aspect-ratio:auto}.portada--img img{height:auto;display:block}
.portada__autor{font-size:.6875rem;letter-spacing:.08em;text-transform:uppercase}
.portada__titulo{font-size:1.5rem;font-weight:700;line-height:1.05;letter-spacing:-.025em}
.libro__genero{margin:0;font-size:.875rem;font-weight:700;color:#B4501E}
.libro h3{margin:0;font-size:1.75rem;font-weight:700;letter-spacing:-.025em;line-height:1.1}
.libro p{margin:0;color:var(--tinta2)}
.tira{background:var(--negro);color:var(--claro);border-radius:var(--radio);padding:64px 28px;margin-top:20px}

/* Autor */
.dos{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:40px 56px;align-items:center}
.retrato{aspect-ratio:4/5;background:var(--gris2);border-radius:var(--radio);overflow:hidden}
.retrato img{width:100%;height:100%;object-fit:cover}
.retrato--vacio{display:flex;align-items:center;justify-content:center}
.retrato--vacio svg{width:60%}

/* Formulario */
.form{width:100%;max-width:480px;display:flex;flex-direction:column;gap:10px;padding-top:12px;text-align:left}
.form label{font-size:.875rem;color:var(--tinta2);padding-left:18px}
.form__fila{display:flex;flex-wrap:wrap;gap:10px}
.form input[type=email]{flex:1 1 220px;min-height:50px;padding:0 18px;border:1px solid var(--borde);border-radius:980px;background:var(--blanco);color:var(--tinta);font:inherit}
.form .boton{min-height:50px;flex:0 0 auto}

/* Texto largo (vértices y páginas) */
.texto{max-width:38rem;margin:0 auto;font-size:1.1875rem;line-height:1.65}
.texto p{margin:0 0 1.1em}
.texto h2{font-size:1.5rem;letter-spacing:-.02em;margin:2em 0 .6em}
.texto h3{font-size:1.25rem;margin:1.6em 0 .5em}
.texto blockquote{margin:1.4em 0;padding:0 0 0 1.1em;border-left:2px solid var(--borde);color:var(--tinta2)}
.texto hr{border:0;text-align:center;margin:2em 0}
.texto hr::after{content:"·  ·  ·";color:var(--suave)}
.texto ul,.texto ol{padding-left:1.2em}
.cabecera-texto{padding:72px var(--margen) 40px}
.cabecera-texto .titular{font-size:clamp(2.25rem,6vw,4rem)}
.frase-grande{margin:0 auto;max-width:18ch;font-size:clamp(2rem,6vw,3.75rem);font-weight:700;line-height:1.08;letter-spacing:-.03em;text-wrap:balance}
.pasos{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;max-width:38rem;margin:48px auto 0;padding-top:24px;border-top:1px solid var(--linea)}
.pasos a{text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.legal{font-size:1rem;line-height:1.6}
.legal h2{font-size:1.25rem;margin:2em 0 .5em}
.legal dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 20px}
.legal dt{font-weight:700}.legal dd{margin:0}

/* Pie */
.pie{background:var(--gris);border-top:1px solid var(--linea)}
.pie__in{max-width:var(--ancho);margin:0 auto;padding:22px var(--margen) 36px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 28px;font-size:.8125rem;color:var(--suave)}
.pie nav{display:flex;flex-wrap:wrap;gap:6px 20px}
.pie a{color:var(--tinta2);text-decoration:none}
.pie a:hover{color:var(--acento)}

@media (max-width:640px){
  .bloque{padding:72px var(--margen)}
  .hero{padding:48px var(--margen) 48px}
  .tarjeta{padding:28px 24px}
  .nav{gap:0 18px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Ajustes tras revisión */
.tira .antetitulo,.tira .entradilla{color:var(--claro2)}
.tira .enlace{color:var(--acento-claro)}
.cita--media{font-size:clamp(2rem,5.5vw,4rem);max-width:20ch}
.cita--larga{font-size:clamp(1.625rem,4vw,2.75rem);max-width:26ch;line-height:1.12}
.prosa p{margin:0 0 .9em;color:var(--tinta2)}.prosa p:last-child{margin-bottom:0}
.portada--grande{width:min(300px,80%);margin:0 auto}.portada--grande .portada__titulo{font-size:2.25rem}
.libro .portada--img{width:auto;height:280px;margin-inline:auto}.libro .portada--img img{height:100%;width:auto}
.dos>.centro:has(.portada--grande){align-self:start;position:sticky;top:96px}