/* =========================================================
   APACIGUA
   Librería
   Libros
   ========================================================= */


/* =========================================================
   PRESENTACIÓN
   ========================================================= */

.libros-presentacion {
    max-width: 780px;
    margin: 0 auto 48px;
    text-align: center;
}


.libros-presentacion h1 {
    margin: 0 0 10px;
    font-size: clamp(2rem, 5vw, 3.4rem);
    line-height: 1.05;
}


.libros-subtitulo {
    margin-bottom: 22px;
    font-size: 1.08rem;
    font-weight: 600;
    opacity: 0.72;
}


.libros-introduccion {
    max-width: 650px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.7;
    opacity: 0.82;
}


/* =========================================================
   CATEGORÍAS
   ========================================================= */

.libros-categorias {
    display: flex;
    flex-direction: column;
    gap: 14px;

    max-width: 900px;
    margin: 0 auto;
}


/* =========================================================
   CATEGORÍA
   ========================================================= */

.libros-categoria {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;

    padding: 24px 26px;

    color: inherit;
    text-decoration: none;

    border: 1px solid rgba(127, 127, 127, 0.22);
    border-radius: 16px;

    background: rgba(127, 127, 127, 0.035);

    transition:
        transform 0.18s ease,
        border-color 0.18s ease,
        background 0.18s ease;
}


.libros-categoria:hover {
    transform: translateY(-2px);
    border-color: rgba(127, 127, 127, 0.42);
    background: rgba(127, 127, 127, 0.07);
}


.libros-categoria-contenido {
    flex: 1;
    min-width: 0;
}


.libros-categoria-encabezado {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;

    margin-bottom: 10px;
}


.libros-categoria-encabezado strong {
    font-size: 1.08rem;
    line-height: 1.35;
}


.libros-cantidad {
    flex-shrink: 0;

    font-size: 0.85rem;
    font-style: normal;
    white-space: nowrap;

    opacity: 0.62;
}


.libros-categoria-descripcion {
    display: block;

    max-width: 680px;

    font-size: 0.95rem;
    line-height: 1.55;

    opacity: 0.72;
}


.libros-categoria-flecha {
    flex-shrink: 0;

    font-size: 1.5rem;
    line-height: 1;

    opacity: 0.55;

    transition:
        transform 0.18s ease,
        opacity 0.18s ease;
}


.libros-categoria:hover .libros-categoria-flecha {
    transform: translateX(4px);
    opacity: 1;
}


/* =========================================================
   RESUMEN
   ========================================================= */

.libros-resumen {
    max-width: 900px;
    margin: 28px auto 0;

    text-align: center;

    font-size: 0.85rem;
    line-height: 1.5;

    opacity: 0.55;
}


/* =========================================================
   REGRESAR
   ========================================================= */

.libros-regresar {
    max-width: 900px;
    margin: 28px auto 0;
    text-align: center;
}


.libros-regresar a {
    display: inline-block;

    padding: 10px 16px;

    color: inherit;
    text-decoration: none;

    border: 1px solid rgba(127, 127, 127, 0.22);
    border-radius: 999px;

    font-size: 0.92rem;

    opacity: 0.75;

    transition:
        opacity 0.18s ease,
        border-color 0.18s ease,
        background 0.18s ease;
}


.libros-regresar a:hover {
    opacity: 1;
    border-color: rgba(127, 127, 127, 0.42);
    background: rgba(127, 127, 127, 0.06);
}


/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 700px) {

    .libros-presentacion {
        margin-bottom: 36px;
    }


    .libros-categoria {
        gap: 16px;
        padding: 20px;
    }


    .libros-categoria-encabezado {
        display: block;
    }


    .libros-cantidad {
        display: block;
        margin-top: 6px;
        white-space: normal;
    }

}