.about-slider {
    width: 100%;
    max-width: 100%;
    /* margin-bottom: 40px; */
    overflow: hidden;
}

.about-slider__viewport {
    position: relative;
    width: 100%;
    overflow: visible;
    height: 620px;
}

.about-slider__item {
    position: absolute;
    left: 0;
    top: 0;
    width: 90%;
    height: 100%;
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(0.98);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.about-slider__item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 24px;
}

.about-slider__item--current {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    z-index: 3;
}

.about-slider__item--next-1 {
    opacity: 0.9;
    transform: translate3d(12px, -6px, 0) scaleX(0.98) scaleY(0.95);
    z-index: 2;
}

.about-slider__item--next-2 {
    opacity: 0.7;
    transform: translate3d(24px, -12px, 0) scaleX(0.96) scaleY(0.90);
    z-index: 1;
}

.about-slider__controls {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

.about-slider__control {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.about-slider__control img {
    display: block;
}

.about-slider__control:hover {
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
}
.about-slider__controls.navigation-buttons .scroll-btn{
    padding: 9px 10px;
    border: solid var(--theme-base-color) 1px;
    color: white;
    border-radius: 30px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
    display: flex;
}
.about-slider__controls.navigation-buttons .scroll-btn.left{
    transform: rotate(180deg);
}
.about-slider__item--next-1 {
    opacity: 0.9;
    transform: translate3d(85px, -6px, 0) scale(0.90);
    z-index: 2;
}

.about-slider__item--next-2 {
    opacity: 0.7;
    transform: translate3d(168px, -12px, 0) scale(0.80);
    z-index: 1;
}
@media (max-width: 991px) {
    .about-slider {
        padding: 16px 16px 24px;
        border-radius: 24px;
    }

    .about-slider__viewport {
        height: 260px; /* ниже на мобильных */
    }

    .about-slider__controls.navigation-buttons {
        display: none;
    }

    .about-slider__control {
        width: 36px;
        height: 36px;
    }

    .about-slider__item--next-1 {
        opacity: 0.9;
        transform: translate3d(50px, -6px, 0) scale(0.85);
        z-index: 2;
    }
    
    .about-slider__item--next-2 {
        opacity: 0.7;
        transform: translate3d(94px, -12px, 0) scale(0.7);
        z-index: 1;
    }
}