/* Botones base */
.swiper-button-next,
.swiper-button-prev {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease, transform 0.2s ease;
}

/* Hover desktop */
.swiper-button-next:hover,
.swiper-button-prev:hover {
    background: rgba(0, 0, 0, 0.65);
    transform: scale(1.05);
}

/* Iconos */
.swiper-button-next::after,
.swiper-button-prev::after {
    font-size: 16px;
    font-weight: bold;
}

/* Posición */
.swiper-button-prev {
    left: 12px;
}

.swiper-button-next {
    right: 12px;
}

/* Mobile: más sutil */
@media (max-width: 768px) {
    .swiper-button-next,
    .swiper-button-prev {
        width: 36px;
        height: 36px;
        background: rgba(0, 0, 0, 0.35);
    }
}