.section-aboutus-title {
    font-weight: 600;
    font-size: 36px;
    line-height: 100%;
    color: rgba(4, 11, 41, 1);
    margin-bottom: 16px;
}

.section-aboutus-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 48px;
}

.aboutus-video {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 40px;
    background: rgba(235, 241, 247, 1);
    border: 1px solid rgba(216, 226, 237, 1);
    border-radius: 8px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.aboutus-video i {
    font-size: 28px;
    animation: pulse 1s infinite;
}

.aboutus-video:hover {
    background: rgba(18, 46, 89, 1);
    color: #fff;
    box-shadow: 0 0 20px rgba(18, 46, 89, 1);
    transform: scale(1.05);
    border: 1px solid transparent;
}
.aboutus-video::before {
    content: "";
    position: absolute;
    top: 0;
    left: -75%;
    width: 50%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,0.4), transparent);
    transform: skewX(-25deg);
}

.aboutus-video:hover::before {
    animation: shine 1s ease;
}


@keyframes shine {
    0% {
        left: -75%;
    }
    100% {
        left: 125%;
    }
}

.aboutus-video i {
    font-size: 28px;
    transition: transform 0.4s ease;
}

/* لرزش یا پالس آیکون در هاور */
.aboutus-video:hover i {
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}


.aboutus-video:hover i::before {
    color: #fff;
}

.aboutus-swiper {
    margin-top: 82px;
    margin-right: 70px;
}

.aboutus-swiper i {
    font-size: 20px;
}

.aboutus-swiper i::before {
    color: #fff;
}

.aboutus-slide {
    position: relative;
    overflow: hidden;
}

.aboutus-slide-content {
    position: absolute;
    bottom: 53px;
    right: 56px;
    z-index: 2;
    pointer-events: none;
}

.aboutus-slide-image {
    position: relative;
  overflow: hidden;
}

.aboutus-slide-image::before {
    content: "";
    position: absolute;
    inset: 0;
    backdrop-filter: blur(48px);
    -webkit-backdrop-filter: blur(48px);
    mask-image: linear-gradient(
      to bottom,
      rgba(0,0,0,0) 58.04%,
      rgba(0,0,0,1) 91.61%,
      rgba(0,0,0,1) 100%
    );
    -webkit-mask-image: linear-gradient(
      to bottom,
      rgba(0,0,0,0) 58.04%,
      rgba(0,0,0,1) 91.61%,
      rgba(0,0,0,1) 100%
    );
    z-index: 1;
    pointer-events: none;
  }
  
  /* این لایه روی کل تصویر یک بک‌گراند نیمه تیره می‌اندازه */
  .aboutus-slide-image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3); /* 👈 همین چیزی که گفتی */
    z-index: 2;
    pointer-events: none;
  }

.aboutus-slide-year {
    font-weight: 700;
    font-size: 32px;
    line-height: 20px;
    color: #fff;
    margin-bottom: 24px;
}

.aboutus-slide-title{
    font-weight: 600;
    font-size: 20px;
    line-height: 20px;
    color: #fff;
}
.aboutus-slide-image img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    transition: 0.3s;
}

.aboutus-slide-image:hover img{
    transform: scale(1.1);
}

.video-popup__close {
    position: absolute;
    top: 24px;
    left: 24px;
    background: transparent;
    border: none;
    font-size: 24px;
    color: #fff;
    cursor: pointer;
    z-index: 10;
    transition: opacity 0.3s;
}

.video-popup__close:hover {
    opacity: 0.7;
}

@media screen and (min-width: 768px) and (max-width: 991px) {
    .aboutus-swiper {
        margin: 16px;
    }
}

@media (max-width: 767px) {
    .aboutus-swiper {
        margin: 0 0 28px;
    }

    .section-aboutus {
        margin-top: 100px;
    }

    .section-aboutus-title {
        text-align: center;
        font-weight: 600;
        font-size: 26px;
        margin-bottom: 28px;
    }

    .aboutus-slide-content {
        bottom: 20px;
        right: 20px;
    }

    .aboutus-slide-year {
        font-size: 28px;
        margin-bottom: 14px;
    }

    .aboutus-slide-title a {
        font-size: 14px;
    }

    .section-aboutus .swiper-button-next {
        left: 24px;
    }

    .section-aboutus .swiper-button-prev {
        right: 24px;
    }

    .section-aboutus-footer {
        flex-wrap: wrap;
    }

    .aboutus-video {
        width: 100%;
        justify-content: center;
        margin-top: 32px;
    }
}