.about-block {
  display: flex;
  gap: 30px;
}
.about-block.padding-top-none {
  padding-top: 0;
}
.about-block .content-side {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 30px;
}
.about-block .text-holder {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 84px 147px 106px 130px;
  gap: 15px;
  border-radius: var(--border-radius);
  border: 3px solid var(--background);
  background: var(--background-secondary);
  box-shadow: 0 0 30px 0 rgba(173, 173, 173, 0.35);
}
.about-block .title {
  margin: 0;
}
.about-block .desc a {
  color: var(--primary);
}
.about-block .advantages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.about-block .advantage {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: auto;
  padding: 30px;
  gap: 5px;
  border-radius: var(--border-radius);
  border: 3px solid var(--background);
  background: var(--background-secondary);
  box-shadow: 0 0 30px 0 rgba(173, 173, 173, 0.35);
}
.about-block .advantage__img {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  flex-shrink: 0;
}
.about-block .advantage__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.about-block .callback-item {
  display: flex;
  flex-direction: column;
  position: relative;
  width: 100%;
  height: 100%;
  padding: 30px;
  gap: 10px;
  border-radius: var(--border-radius);
  border: 3px solid var(--background);
  background: var(--gradient-light);
  box-shadow: 0 0 30px 0 rgba(173, 173, 173, 0.35);
  cursor: pointer;
}
.about-block .callback-item__title,
.about-block .callback-item__subtitle {
  z-index: 2;
}
.about-block .callback-item__btn {
  display: flex;
  align-items: center;
  justify-content: end;
  width: 100%;
  padding-top: 10px;
  gap: 10px;
  margin-top: auto;
  border-top: 1px solid var(--main-text-primary);
  color: var(--head-primary);
  z-index: 1;
  transition: all 0.3s ease-in;
}
.about-block .callback-item:hover .callback-item__btn {
  color: var(--primary);
}
.about-block .callback-item__btn svg path {
  fill: var(--head-primary);
}
.about-block .callback-item:hover .callback-item__btn svg path {
  fill: var(--primary);
}
.about-block .callback-item__img {
  position: absolute;
  bottom: 0;
  right: 0;
  width: fit-content;
  max-width: 100%;
  height: 100%;
}
.about-block .callback-item__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.about-block .img-side {
  display: flex;
  width: 100%;
  height: 35vw;
  max-height: 655px;
  border-radius: var(--border-radius);
  border: 3px solid var(--background);
  overflow: hidden;
}
.about-block .img-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

@media (max-width: 1820px) {
  .about-block,
  .about-block .content-side,
  .about-block .advantages {
    gap: 20px;
  }
  .about-block .text-holder {
    padding: 80px;
  }
  .about-block .img-side {
    width: 80%;
    height: auto;
  }
}
@media (max-width: 1600px) {
  .about-block .advantage {
    padding: 20px;
  }
}

@media (max-width: 1420px) {
  .about-block,
  .about-block .content-side,
  .about-block .advantages {
    gap: 10px;
  }
  .about-block .text-holder {
    padding: 40px;
  }
  .about-block .advantages {
    display: flex;
    flex-wrap: wrap;
  }
  .about-block .advantage {
    width: 100%;
  }
}
@media (max-width: 992px) {
  .about-block .text-holder,
  .about-block .callback-item {
    padding: 20px;
  }
}
@media (max-width: 680px) {
  .about-block {
    flex-direction: column;
  }
  .about-block .advantage {
    width: calc((100% - 10px) / 2);
  }
  .about-block .img-side {
    width: 100%;
    height: 65vw;
    max-height: 400px;
  }
}
@media (max-width: 620px) {
  .about-block .advantage {
    padding: 10px 15px;
  }
  .about-block .advantage__title {
    font-size: 14px;
  }
}
@media (max-width: 512px) {
  .about-block .text-holder,
  .about-block .callback-item {
    padding: 15px;
  }
  .about-block .advantage {
    width: 100%;
  }
  .about-block .advantage__title {
    font-size: 12px;
  }
}