.site-header {
  height: 102px;
}

.brand span {
  font-size: 27px;
}

.brand small {
  font-size: 11px;
  letter-spacing: .24em;
  margin-top: 9px;
}

.site-header nav {
  font-size: 17px;
  gap: 38px;
}

.button-small {
  min-height: 50px;
  padding: 0 22px;
  font-size: 16px;
}

@media (max-width: 980px) {
  .site-header {
    height: 84px;
  }

  .brand span {
    font-size: 22px;
  }

  .brand small {
    font-size: 10px;
  }

  .button-small {
    min-height: 46px;
    font-size: 15px;
  }
}

@media (max-width: 650px) {
  .site-header {
    height: 78px;
  }

  .brand span {
    font-size: 21px;
  }

  .brand small {
    font-size: 10px;
    margin-top: 6px;
  }
}