.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-left: 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;
  left: 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;
    left: 20px;
  }

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

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

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

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

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

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