:root {
    --gap: 1.25rem;
    --speed: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --closed: 5rem;
    --open: 90%;
}


.head {
    max-width: 1400px;
    margin: auto;
    padding: 70px 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
}

.head h2 {
    font: 400 1.5rem/1.2 Inter, sans-serif;
    color: #fff;
}


.nav-btn {
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: 0.3s;
}

.nav-btn:hover {
    background: #1e1e1e;
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.slider {
    /*max-width: 1400px;*/
    margin: auto;
    /*overflow: hidden;*/
}

.controls {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
}

.track {
    display: flex;
    gap: var(--gap);
    align-items: flex-start;
    justify-content: center;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding-bottom: 40px;
}

.track::-webkit-scrollbar {
    display: none;
}

.slider-card {
    position: relative;
    flex: 0 0 var(--closed);
    height: 36rem;
    overflow: hidden;
    transition: flex-basis var(--speed), transform var(--speed);
}



.slider-card[active] {
    flex-basis: var(--open);
    transform: translateY(-6px);
    box-shadow: 6px 6px 16px rgba(0, 0, 0, 0.45);
}

.slider-card__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.75) saturate(75%);
    transition: filter 0.3s, transform var(--speed);
}

.slider-card:hover .slider-card__bg {
    filter: brightness(0.9) saturate(100%);
    transform: scale(1.06);
}

.slider-card__content {
    position: absolute;
    inset: 0;
    flex-direction: row;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.7rem;
    padding: 0;
    z-index: 2;
}
.slider-card__title{
    font-weight: 700;
    font-size: 1.35rem;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

.slider-card:not([active]) .slider-card__logo-image {
    transform: rotate(-90deg);
}
.slider-card__logo {
    transform: rotate(0deg);
    display: flex;
    align-items: center;
    justify-content: center;
}
.slider-card__logo-image {
    max-width: 80px;
    height: auto;
}

.slider-card__desc,
.slider-card__btn,
.slider-card__subtitle {
    display: none;
}

.slider-card[active] .slider-card__content {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: center;
    justify-content: center;
    padding: 1.2rem 2rem;

}

.slider-card_wrap-content{   
    grid-column: span 4 / span 4;
    grid-column-start: 3;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.slider-card[active] .slider-card__title {
    writing-mode: horizontal-tb;
    transform: none;
    font-size: 2.4rem;
}

.slider-card[active] .slider-card__partners{    
    grid-column: span 4 / span 4;
    grid-column-start: 8;
    display: flex;
    padding: 1.2rem 2.4rem;
    background: #ffffffd0;
    border-radius: 0.4rem;
    margin: 5% 2% 0 0;
}
.slider-card__partners{
    display: none;
}

.slider-card__partners .slider-card__partners-grid    {
    display: grid;
    grid-template-columns: repeat(3, auto);
    gap: 1.8rem 2.2rem;
}




.slider-card[active] .slider-card__desc,
.slider-card[active] .slider-card__btn,
.slider-card[active] .slider-card__subtitle {
    display: flex;
    width: fit-content;
}


.slider-card__desc {
    color: #ddd;
    font-size: 1rem;
    line-height: 1.4;
    max-width: 24rem;
}

.slider-card__btn_2,.slider-card__btn {
    display: none;
}
.slider-card[active] .slider-card__btn_2,
.slider-card[active] .slider-card__btn {
    display: flex;
    padding: 0.55rem 1.3rem;
    line-height: 1lh;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.slider-card[active] .slider-card__btn:hover,
.slider-card[active] .slider-card__btn_2:hover {
    background-color: var(--btn-border-color) !important;
    border-color: var(--btn-border-color) !important;
    color: var(--btn-hover-text-color) !important;
}

.dots {
    display: flex;
    position:absolute;
    left: 0;
    right: 0;
    bottom: 0.5rem;
    margin: auto;
    gap: 0.5rem;
    justify-content: center;
    padding: 1rem 0;
}
button.dot[type="button"] {
    background: rgba(0, 0, 0, 0.3);    
    width: 0.3rem;
    height: 0.3rem;
    padding: 0.3rem;
    aspect-ratio: 1/1;
    border-radius: 999px;
    border: none!important;
    cursor: pointer;
    transition: 0.3s;
}

button.dot.active[type="button"]{
    background: #1e1e1e!important;
    transform: scale(1.2);
}



@media (max-width: 767px) {
    :root {
        --closed: 4rem;
        --open: 22rem;
    }

    .head {
        padding: 50px 20px 30px;
    }

    .track {
        flex-direction: column;
        scroll-snap-type: y mandatory;
        align-items: center;
        justify-content: flex-start;
        padding-bottom: 0;
    }

    .slider-card {
        height: 20rem;
    }

    .slider-card__title {
        font-size: 1.1rem;
        writing-mode: horizontal-tb;
        transform: none;
        text-align: center;
        padding-inline: 0.3rem;
    }

    .nav-btn {
        width: 2rem;
        height: 2rem;
        font-size: 1.2rem;
    }

    :root {
        --closed: 100%;
        --open: 100%;
        --gap: 0.8rem;
    }

    .head {
        padding: 30px 15px 20px;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .slider-card:not([active]) .slider-card__logo-image {
        transform: rotate(0deg);
        max-width: 60px;
    }

    .slider-card__logo {
        margin-bottom: 0.5rem;
    }

    .slider {
        padding: 0 15px;
    }

    .track {
        flex-direction: column;
        scroll-snap-type: y mandatory;
        gap: 0.8rem;
        padding-bottom: 20px;
        width: 100%;
    }

    .slider-card {
        height: auto;
        min-height: 120px;
        flex: 0 0 auto;
        width: 100%;
        scroll-snap-align: start;
    }

    .slider-card[active] {
        min-height: 480px;
        transform: none;
        box-shadow: 3px 6px 6px rgba(0, 0, 0, 0.32);
        width: 100%;
    }

    .slider-card__content {
        flex-direction: column;
        justify-content: flex-start;
        padding: 1rem;
        align-items: center;
        gap: 1rem;
        width: 100%;
    }

    .slider-card__title {
        writing-mode: horizontal-tb;
        transform: none;
        font-size: 1.2rem;
        margin-right: auto;
    }


    .slider-card__desc,
    .slider-card__btn {
        display: none;
    }

    .slider-card[active] .slider-card__content {
        display: grid;
        grid-template-columns: 1fr;
        align-items: flex-start;
        padding: 1.5rem;
        gap: 1.5rem;
    }

    .slider-card[active] .slider-card__logo-image {
        max-width: 100px;
        transform: rotate(0deg);
    }

    .slider-card[active] .slider-card__title {
        font-size: 1.8rem;
        margin-bottom: 1rem;
        margin-top: 2rem;
    }

    .slider-card[active] .slider-card__desc {
        font-size: 0.95rem;
        max-width: 100%;
        margin-bottom: 1rem;
    }

    .slider-card[active] .slider-card__btn,
    .slider-card[active] .slider-card__btn_2 {
        align-self: center;
        width: 100%;
        text-align: center;
        padding: 0.7rem;
        width: fit-content;
    }

    .slider-card_wrap-content {
        grid-column: 1 / -1;
    }

    .slider-card[active] .slider-card__partners {
        grid-column: 1 / -1;
        max-width: 100%;
        width: 100%;
        align-self: center;
        margin-bottom: 0;
        padding: 1rem;
    }

    .slider-card[active] .slider-card__partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        gap: 1rem;
        width: 100%;
    }

    .dots {
        display: none;
    }

    .controls {
        width: 100%;
        justify-content: space-between;
        padding: 0 15px 20px;
    }

    .nav-btn {
        position: static;
        transform: none;
    }
}