.footer {
  width: 100%;
  margin-top: auto;
  background-color: var(--navy);
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 70px 0 36px 0;
}
.footer-top,
.footer-bottom,
.copyrights {
  margin: 0;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
}
.logos {
  display: grid;
  grid-template-columns: auto auto auto;
  grid-gap: 65px;
}
.logos p {
  margin: 0;
  padding: 0;
}
.footer-nav-list {
  width: 426px;
  margin: 0 100px;
  padding: 0;
  display: grid;
  grid-template-columns: auto auto auto auto;
  grid-gap: 46px;
}
.footer-nav-item {
  margin: 0;
  padding: 0;
}
.footer-nav-item:hover,
.footer-nav-item:active {
  cursor: pointer;
  text-decoration: underline;
}
.footer-nav-item-ref {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--white);
}
.volunteers-btn {
  width: 359px;
  height: 74px;
  padding-left: 33.86px;
  display: flex;
  align-items: center;
  border: 1px solid var(--white);
  background-color: rgba(0, 0, 0, 0);
  color: var(--white);
  letter-spacing: 0.5px;
}
.volunteers-btn:hover,
.volunteers-btn:active {
  background-color: var(--turquoise);
}
.bottom-line {
  width: 1400px;
  margin: 70px 0 37px 0;
  text-align: center;
  color: var(--white);
}
.copyright {
  margin: 0;
  padding: 0 50px 0 0;
  color: var(--white);
}
.footer-socials-list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: auto auto auto;
  grid-gap: 40px;
}
.footer-social-item,
.footer-social-icon {
  margin: 0;
}
.footer-social-icon img {
  transition: 0.5s;
}
.footer-social-icon img:hover {
  transform: scale(1.2);
}

@media screen and (min-width: 1200px) and (max-width: 1919px) {
  .footer {
    position: relative;
    height: 329px;
  }
  .footer-inner {
    max-width: 1120px;
  }
  .logos {
    grid-gap: 30px;
  }
  .footer-nav-list {
    width: 347px;
    margin: 0 35px;
    grid-template-columns: 68px 44px 54px 120.34px;
    grid-gap: 20px;
  }
  .bottom-line {
    position: absolute;
    left: 0;
    top: 214px;
    width: 100%;
    margin: 0;
  }
  .footer-bottom {
    margin-top: 108px;
  }
}

@media screen and (min-width: 640px) and (max-width: 1199px) {
  .footer {
    position: relative;
    height: 545px;
  }
  .footer-inner {
    max-width: 600px;
    padding-top: 50px;
  }
  .footer-top,
  .footer-bottom {
    flex-direction: column;
    align-items: center;
  }
  .logos {
    grid-gap: 80px;
    margin-bottom: 50px;
  }
  .footer-nav-list {
    width: 445px;
    margin: 0 35px 47px 35px;
    grid-template-columns: 68px 44px 54px 120.34px;
    grid-gap: 53px;
  }
  .bottom-line {
    position: absolute;
    left: 0;
    top: 346px;
    width: 100%;
    margin: 0;
  }
  .footer-bottom {
    margin-top: 100px;
  }
  .footer-socials-list {
    grid-gap: 50px;
  }
  .footer-socials {
    order: -1;
  }
  .copyrights {
    margin-top: 28px;
    margin-left: 50px;
  }
}

@media screen and (min-width: 320px) and (max-width: 639px) {
  .footer {
    height: 710px;
  }
  .footer-inner {
    max-width: 300px;
    padding-top: 50px;
  }
  .footer-top,
  .footer-bottom {
    flex-direction: column;
  }
  .logos {
    margin-bottom: 29px;
    grid-template-columns: auto;
    grid-gap: 30px;
    align-items: center;
  }
  .main-footer-logo,
  .yem-logo,
  .rsschool-logo {
    display: flex;
    justify-content: center;
  }
  .footer-nav {
    width: 300px;
  }
  .footer-nav-list {
    width: 300px;
    margin: 0;
    grid-template-columns: 60px 39px 48px 107px;
    grid-gap: 15px;
  }
  .footer-nav-item-ref {
    font-size: 16px;
  }
  .bottom-line {
    top: 500px;
    width: 100%;
    margin: 0;
  }
  .volunteers-btn {
    width: 299px;
    height: 45px;
    margin-top: 32px;
    padding: 9px 0 9px 31px;
    text-transform: none;
    letter-spacing: 0.8px;
  }
  .footer-bottom {
    margin-top: 0;
  }
  .footer-socials {
    order: 1;
    margin-top: 30px;
  }
  .footer-socials-list {
    grid-gap: 50px;
  }
  .copyrights {
    margin-top: 58px;
    display: grid;
    grid-template-columns: auto;
    grid-gap: 30px;
    order: 2;
  }
  .copyright {
    text-align: center;
    padding: 0;
  }
}