@media screen and (max-width:1000px) {
  :root {
    --main-size-h1: 32px;
    --main-size-h1-big: 68px;
    --main-size-p-big: 20px;
    --main-size-p: 18px;
  }
}

@media screen and (max-width:900px) {
  :root {
    --main-size-h1: 32px;
    --main-size-h1-big: 64px;
    --main-size-p-big: 20px;
    --main-size-p: 18px;
  }
}

@media screen and (max-width:800px) {
  :root {
    --main-size-h1: 32px;
    --main-size-h1-big: 60px;
    --main-size-p-big: 20px;
    --main-size-p: 18px;
  }
}

@media screen and (max-width:700px) {
  :root {
    --main-size-h1: 30px;
    --main-size-h1-big: 54px;
    --main-size-p-big: 19px;
    --main-size-p: 17px;
  }

  .header-li {
    width: 25%;
  }

  .header-li:nth-child(2) {
    width: 60%;
  }

  .section3-li {
    width: 48%;
  }

  .section4-li {
    width: 100%;
  }

  .section5-li {
    width: 100%;
  }

  .section6-li {
    margin-top: 20px;
    width: 100%;
  }

  .section7-li {
    width: 100% !important;
  }

  .section7-li3 {
    margin-top: 20px;
    flex-direction: column !important;
  }

  .section7-li3:nth-child(2) {
    margin-top: 0px;
    flex-direction: column !important;
  }

  .section7-form {
    width: 100%;
    margin-top: 20px;
  }

  .section7-form:last-child {
    width: 100%;
    margin-top: 20px;
  }

  .section7-form2 {
    width: 100% !important;
  }

  .section7-form:nth-child(2) label {
    position: absolute;
    top: -30px;
    right: 100%;
    white-space: nowrap;
    transform: translateX(100%);
  }

  .section7-li:nth-child(2) {
    width: 100%;
  }

  .section7-form:nth-child(2) label {
    position: relative;
    top: 0px;
    text-align: start;
  }

  .section7-li:nth-child(2) {
    width: 55%;
  }

  .footer-li:nth-child(1) {
    width: 100%;
  }

  .footer-li {
    margin-top: 20px;
    width: 30%;
  }
}

@media screen and (max-width:600px) {
  :root {
    --main-size-h1: 28px;
    --main-size-h1-big: 50px;
    --main-size-p-big: 18px;
    --main-size-p: 16px;
  }

  .header-li:nth-child(2) {
    width: 80%;
  }

  .header-li:nth-child(3) {
    display: none;
    justify-content: end;
    align-items: end;
  }

  .header-li {
    width: 45%;
  }

  .section1-li {
    width: 100%;
  }

  .section1-li:nth-child(2) {
    width: 100%;
    margin-top: 30px;
  }

  .section1-p2 {
    font-size: var(--main-size-p-big);
    font-weight: 500;
    margin-top: 10px;
  }

  .section2-li {
    width: 100%;
  }

  .footer-li {
    margin-top: 20px;
    width: 100%;
  }
}

@media screen and (max-width:500px) {
  :root {
    --main-size-h1: 26px;
    --main-size-h1-big: 46px;
    --main-size-p-big: 17px;
    --main-size-p: 15.5px;
  }

  .section3-li {
    width: 100%;
  }

  .section7-li5 {
    display: flex;
    flex-direction: column;
  }

  .section7-li5 button {
    margin-top: 20px;
    width: 100%;
  }
}

@media screen and (max-width:400px) {
  :root {
    --main-size-h1: 24px;
    --main-size-h1-big: 42px;
    --main-size-p-big: 16px;
    --main-size-p: 14px;
  }

  .header-li {
    width: 60%;
  }
}

@media screen and (max-width:300px) {
  :root {
    --main-size-h1: 22px;
    --main-size-h1-big: 38px;
    --main-size-p-big: 15px;
    --main-size-p: 13px;
  }
}