.po-hero__desc {
    font-weight: 400;
    font-size: 18px;
    line-height: 133%;
    letter-spacing: -0.03em;
    color: #fff;
}

.po-hero__intro {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.po-hero__title {
    font-weight: 300;
    font-size: 300px;
    line-height: 78%;
    letter-spacing: -0.03em;
    color: #fff;
    text-transform: uppercase;
}

.pp-hero {
    padding-bottom: 30px;
}


/* ==========================================================================
   Cases (filterable grid slider + big slider)
   ========================================================================== */
.cases {
    position: relative;
    padding: 150px 0 200px;
    background-color: #000;
    background-image: url("../assets/img/about-us-bg.png");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    color: #fff;
    overflow: hidden;
}

/* Top bar: filters + arrows */
.cases__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin: 0 50px 48px 50px;
    padding: 0 0px 27px 0cm;
    margin-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.cases__filters {
    display: flex;
    align-items: center;
    gap: 75px;
}

.cases__filter {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-weight: 300;
    font-size: 25px;
    line-height: 176%;
    letter-spacing: -0.03em;
    color: rgba(255, 255, 255, 0.4);
    transition: color 0.25s ease;
}

.cases__filter:hover {
    color: rgba(255, 255, 255, 0.75);
}

.cases__filter.is-active {
    color: #fff;
}

.cases__dot {
    flex-shrink: 0;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: currentColor;
}

.cases__nav {
    display: flex;
    gap: 7px;
    flex-shrink: 0;
}

.cases__arrow--prev img {
    transform: scaleX(-1);
}

/* Top grid slider */
.cases__grid {
    overflow: visible; /* the section clips instead, so cards can peek */
}

.cases__grid .swiper-wrapper {
    align-items: stretch;
}

.cases__grid .swiper-slide {
    width: 988px; /* 50 offset + 0 offset + 26 gap → 2 cards */
    height: 491px;
}

.cases .swiper-slide.is-hidden {
    display: none;
}

/* Cards fade/slide in when a filter is applied */
@keyframes case-appear {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cases .swiper-slide.is-appearing {
    animation: case-appear 0.5s ease both;
    animation-delay: var(--appear-delay, 0ms);
}

/* Shared card visuals */
.case-card,
.case-big {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    border-radius: 6px;
    color: #fff;
}

.case-card {
    padding: 15px 23px 23px 15px;
}

.case-card__img,
.case-big__img {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-card::after,
.case-big::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 55%;
    z-index: 1;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0));
    pointer-events: none;
}

/* Tag (shared by both card types) */
.case-card__tag {
    gap: 16px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 27px;
    background: rgba(255, 255, 255, 0.01);
    position: relative;
    z-index: 2;
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    padding: 11px 28px 11px 13px;
    font-weight: 700;
    font-size: 14px;
    line-height: 100%;
    letter-spacing: -0.03em;
    color: #fff;
    text-transform: uppercase;
}

/* Bottom of small card */
.case-card__bottom {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
}

.case-card__info {
    display: flex;
    align-items: flex-end;
    gap: 24px;
    margin-left: 10px;
}

.case-card__name {
    text-transform: uppercase;
    font-weight: 500;
    font-size: 23px;
    line-height: 96%;
    color: #fff;
}

.case-card__loc {
    font-weight: 500;
    font-size: 14px;
    line-height: 129%;
    color: #fff;
}

.case-card__btn,
.case-big__btn {
    flex-shrink: 0;
    padding: 18px 17px 18px 25px;
    gap: 75px;
}

/* Big slider */
.cases__big {
    position: relative;
    margin-top: 95px;
    overflow: hidden;
}

.cases__big .swiper-slide {
    height: 900px;
    width: calc(100vw - 100px); /* 50 offset + 50 offset */
}

.case-big {
    padding: 28px 34px 34px 20px;
}

.case-big__bottom {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
}

.case-big__info {
    display: flex;
    align-items: flex-end;
    gap: 25px;
    margin-left: 20px;
}

.case-big__name {
    text-transform: uppercase;
    font-weight: 500;
    font-size: 27px;
    line-height: 111%;
    color: #fff;
}

.case-big__desc {
    font-weight: 500;
    font-size: 20px;
    line-height: 125%;
    color: #fff;
}

/* Big slider arrows (reuse .portfolio__arrow look) */
.cases__big-arrow {
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 92px;
    height: 92px;
}

.cases__big-arrow--prev {
    left: 90px;
}

.cases__big-arrow--next {
    right: 90px;
}

.cases__big-arrow--prev img {
    transform: scaleX(-1);
}