@media(max-width: 990px) {
  :root {
    --col-gap: max(1rem, 1vw);
  }
  .navbar-toggler,
  .header-menu {
    display: none;
  }
  html {
    font-size: 14px;
  }
  /* header .main-navbar {
    padding-top: 1rem;
  }
  header .navbar .navbar-brand {
    max-width: 5rem;
  } */
}


@media(max-width: 640px) {
  html {
    font-size: 11px;
  }

  header .main-navbar {
    display: flex;
    justify-content: center;
  }

  .intro-bot {
    flex-direction: column-reverse;
    gap: 1.5rem;
  }
  .powered-by {
    max-width: 24rem;
    margin: auto;
  }
  .intro-inner .module-contact {
    align-self: center;
  }

  .intro-top {
    text-align: center;
  }
  .deadline {
    justify-content: center;
  }

  .mask:before,
  .mask:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.7) 100%);
  }
  .mask:after {
    top: auto;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.8) 100%);
  }
  .intro-inner .module-contact ul {
    flex-direction: row;
    gap: 2.5rem;
  }
}