.page-active {
  font-weight: bold;
  border-bottom: 2px solid var(--c-green);
}
/* -------------------------blog------------------------- */
.blog {
  padding: 160px 0 120px;
}

.blog__card {
  margin: 15px;
  border: 1px solid #d1d1d1;
}
.bb-img__bg1 {
  width: 462px;
  height: 462px;
  background: url(../img/icons/dots_460x460.svg) no-repeat center;
  background-size: contain;
  position: absolute;
  left: -285px;
  top: -25px;
  z-index: -1;
}
.bb-img__bg2 {
  width: 462px;
  height: 462px;
  background: url(../img/icons/dots_460x460.svg) no-repeat center;
  background-size: contain;
  position: absolute;
  right: -360px;
  top: 343px;
  z-index: -1;
}
.bb-img__bg3 {
  width: 261px;
  height: 261px;
  background: url(../img/icons/gray_elips_50pt_261x261.svg) no-repeat center;
  background-size: contain;
  position: absolute;
  left: -291px;
  bottom: 20px;
  z-index: -1;
}
/* ----------------------videos------------------------ */
.videos {
  padding: 122px 0 102px;
  position: relative;
  overflow: hidden;
}
.videos__container {
  position: relative;
  z-index: 1;
}
.videos__title {
  margin-bottom: 62px;
}
.videos__cards {
  display: flex;
  margin: 0 -15px;
}
.videos__card {
  width: calc((100% - 2 * 30px) / 2);
  margin: 0 15px;
  position: relative;
  height: 338px;
}
.videos__card-img {
  width: 100%;
  height: 100%;
}
.videos__play-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.videos__card-img img {
  border-radius: 20px;
}
.watch-video__btn {
  margin: 60px auto 0;
}
@media screen and (max-width: 1300px) {
  /* --------------------blog-------------------- */
  .blog {
    padding: 140px 0 105px;
  }
  .bb-img__bg1 {
    width: 403px;
    height: 403px;
    left: -248px;
    top: -22px;
  }
  .bb-img__bg2 {
    right: -314px;
    top: 299px;
  }
  .bb-img__bg3 {
    width: 227px;
    height: 227px;
    left: -254px;
    bottom: 17px;
  }
  .blog__card {
    margin: 13px;
  }
  /* ------------------videos----------------- */
  .videos {
    padding: 107px 0 89px;
  }
  .videos__title {
    margin-bottom: 54px;
  }
  .videos__cards {
    margin: 0 -13px;
  }
  .videos__card {
    width: calc((100% - 2 * 26px) / 2);
    margin: 0 13px;
    height: 295px;
  }
  .watch-video__btn {
    margin: 52px auto 0;
  }
  .blog-img__bg1 {
    width: 228px;
    height: 92px;
    right: 14px;
    top: -106px;
  }
  .blog-img__bg2 {
    width: 465px;
    height: 465px;
    left: -265px;
    top: -100px;
  }
  .blog-img__bg3 {
    width: 377px;
    height: 377px;
    left: -232px;
    bottom: -331px;
  }
  .blog-img__bg4 {
    width: 465px;
    height: 465px;
    right: -226px;
    top: 84px;
  }
}
@media screen and (max-width: 1150px) {
  /* --------------------blog-------------------- */
  .blog {
    padding: 122px 0 92px;
  }
  .bb-img__bg1 {
    width: 352px;
    height: 352px;
    left: -216px;
    top: -19px;
  }
  .bb-img__bg2 {
    right: -274px;
    top: 261px;
  }
  .bb-img__bg3 {
    width: 198px;
    height: 198px;
    left: -222px;
    bottom: 15px;
  }
  .blog__card {
    margin: 11px;
  }
  .nav-links {
    margin: 35px auto 0;
  }
  /* ------------------videos----------------- */
  .videos {
    padding: 93px 0 77px;
  }
  .blog-img__bg1 {
    width: 199px;
    height: 80px;
    right: 12px;
    top: -95px;
  }
  .blog-img__bg2 {
    width: 406px;
    height: 406px;
    left: -230px;
    top: -87px;
  }
  .blog-img__bg3 {
    width: 329px;
    height: 329px;
    left: -203px;
    bottom: -289px;
  }
  .blog-img__bg4 {
    width: 406px;
    height: 406px;
    right: -197px;
    top: 73px;
  }
  .videos__title {
    margin-bottom: 47px;
  }
  .videos__cards {
    margin: 0 -11px;
  }
  .videos__card {
    width: calc((100% - 2 * 22px) / 2);
    margin: 0 11px;
    height: 257px;
  }
  .watch-video__btn {
    margin: 45px auto 0;
  }
}
@media screen and (max-width: 970px) {
  /* --------------------blog-------------------- */
  .blog {
    padding: 107px 0 80px;
  }
  .bb-img__bg1 {
    width: 307px;
    height: 307px;
    left: -188px;
    top: -17px;
  }
  .bb-img__bg2 {
    right: -239px;
    top: 228px;
  }
  .bb-img__bg3 {
    width: 173px;
    height: 173px;
    left: -193px;
    bottom: 13px;
  }
  /* ------------------videos----------------- */
  .videos {
    padding: 81px 0 67px;
  }
  .blog-img__bg1 {
    width: 174px;
    height: 70px;
    right: 10px;
    top: -85px;
  }
  .blog-img__bg2 {
    width: 354px;
    height: 354px;
    left: -200px;
    top: -76px;
  }
  .blog-img__bg3 {
    width: 287px;
    height: 287px;
    left: -177px;
    bottom: -252px;
  }
  .blog-img__bg4 {
    width: 354px;
    height: 354px;
    right: -172px;
    top: 64px;
  }
  .videos__title {
    margin-bottom: 41px;
  }
  .videos__card {
    height: 224px;
  }
  .watch-video__btn {
    margin: 39px auto 0;
  }
}
@media screen and (max-width: 850px) {
  /* --------------------blog-------------------- */
  .blog {
    padding: 75px 0;
  }
  .bb-img__bg1 {
    width: 250px;
    height: 250px;
    left: -164px;
    top: 26px;
  }
  .bb-img__bg2 {
    right: -186px;
    top: -40px;
    width: 250px;
    height: 250px;
  }
  .nav-links {
    margin: 26px auto 0;
  }
  /* ------------------videos----------------- */
  .videos {
    padding: 64px 0;
  }
  .videos__title {
    margin-bottom: 32px;
  }
  .videos__card {
    height: 53vw;
    width: 100%;
    margin: 0 0 16px;
  }
  .watch-video__btn {
    margin: 16px auto 0;
  }
  .blog-img__bg4 {
    width: 250px;
    height: 250px;
    right: -164px;
    top: auto;
    display: flex;
    bottom: -50px;
  }
  .blog-img__bg2 {
    width: 250px;
    height: 250px;
    left: -116px;
    top: -129px;
    display: flex;
    background: url(../img/icons/light_green_dots_600x600_for_pragramm.svg) no-repeat center;
    background-size: contain;
  }
  .videos__cards {
    margin: 0;
    flex-wrap: wrap;
  }
}

@media screen and (max-width: 660px) {
  .blog__card {
    margin: 11px 0;
  }
}