/* ==========================================================
   SECCIÓN 4 — LIBROS
   Referencia: wireframe_digital_web_pc_COMPLETA.pdf p.3
   ========================================================== */

.ilona-libros {
    background-color: #D8EEED;
    padding: 40px 0 80px;
    overflow: hidden;
}

.ilona-libros__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Título ── */
.ilona-libros__title {
    font-family: var(--font-cuerpo);
    font-weight: 800;
    font-size: clamp(2.4rem, 4vw, 3.4rem);
    color: #061437;
    text-align: center;
    margin: 0 0 48px;
}

/* ── Carousel wrapper (flechas + track) ── */
.ilona-libros__carousel-wrap {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0;
}

/* ── Track scrollable ── */
.ilona-libros__track {
    display: flex;
    gap: 25px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding: 12px 4px 20px;
    /* ocultar scrollbar */
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex: 1;
}

.ilona-libros__track::-webkit-scrollbar {
    display: none;
}

/* ── Card ── */
.ilona-libros__card {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(6, 20, 55, 0.10);
    padding: 16px 16px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    scroll-snap-align: start;
    flex-shrink: 0;
    /* Desktop: 4 visibles exactas (track 1152px − 8px padding − 3×32px gap) / 4 */
    width: calc(25% - 26px);
    min-width: 200px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ilona-libros__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(6, 20, 55, 0.15);
}

.ilona-libros__card-img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: 10px;
    display: block;
    margin-bottom: 14px;
}

.ilona-libros__card-title {
    font-family: var(--font-cuerpo);
    font-weight: 700;
    font-size: 0.95rem;
    color: #061437;
    text-align: center;
    margin: 0 0 6px;
    line-height: 1.3;
}

.ilona-libros__card-price {
    font-family: var(--font-cuerpo);
    font-weight: 400;
    font-size: 0.92rem;
    color: #061437;
    margin: 0 0 14px;
}

.ilona-libros__card-btn {
    width: 100%;
    background-color: #FF7300;
    color: #ffffff;
    font-family: var(--font-cuerpo);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 10px 0;
    border-radius: 50px;
    text-align: center;
    text-decoration: none;
    display: block;
    margin-top: auto;
    transition: background-color 0.3s ease;
}

.ilona-libros__card-btn:hover {
    background-color: #e06500;
    color: #ffffff;
}

/* ── Flechas (usan SVG propio, botón transparente) ── */
.ilona-libros__arrow {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, opacity 0.2s ease;
    z-index: 2;
}

.ilona-libros__arrow img {
    width: 52px;
    height: 52px;
    display: block;
}

.ilona-libros__arrow:hover {
    transform: scale(1.08);
}

.ilona-libros__arrow.prev { margin-right: 12px; }
.ilona-libros__arrow.next { margin-left: 12px; }

.ilona-libros__arrow:disabled {
    opacity: 0.3;
    cursor: default;
    transform: none;
}

/* ── Dots (solo mobile) ── */
.ilona-libros__dots {
    display: none;
    justify-content: center;
    gap: 8px;
    margin: 16px 0 0;
}

.ilona-libros__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(6, 20, 55, 0.20);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: background-color 0.25s, transform 0.25s;
}

.ilona-libros__dot.active {
    background-color: #FF7300;
    transform: scale(1.25);
}

/* ── Botón catálogo ── */
.ilona-libros__catalog-wrap {
    text-align: center;
    margin-top: 40px;
}

.ilona-libros__catalog-btn {
    display: inline-block;
    background-color: #FF7300;
    color: #ffffff;
    font-family: var(--font-cuerpo);
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 40px;
    border-radius: 50px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.ilona-libros__catalog-btn:hover {
    background-color: #e06500;
    color: #ffffff;
}

/* ── Flechas siempre visibles en desktop ── */
@media (min-width: 769px) {
    .ilona-libros__arrow {
        display: flex !important;
    }
}

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

@media (max-width: 768px) {
    .ilona-libros {
        padding: 56px 0 64px;
    }

    /* Mobile: 1 card a la vez */
    .ilona-libros__card {
        width: calc(100vw - 80px);
        min-width: calc(100vw - 80px);
        max-width: 340px;
    }

    .ilona-libros__card-btn {
        font-size: 1rem;
        padding: 13px 0;
    }

    /* Flechas pegadas a los lados */
    .ilona-libros__arrow {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        z-index: 10;
    }

    .ilona-libros__arrow.prev {
        left: -4px;
        margin-right: 0;
    }

    .ilona-libros__arrow.next {
        right: -4px;
        margin-left: 0;
    }

    .ilona-libros__carousel-wrap {
        position: relative;
        justify-content: center;
    }

    .ilona-libros__track {
        justify-content: flex-start;
    }

    /* Dots visibles en mobile */
    .ilona-libros__dots {
        display: flex;
    }

    /* Botón catálogo full width en mobile */
    .ilona-libros__catalog-btn {
        display: block;
        text-align: center;
        max-width: 320px;
        margin: 0 auto;
    }
}