.form-control::placeholder {
  color: #CCCCCC;
  opacity: 0.5;
}

.form-control::-webkit-input-placeholder {
  color: #CCCCCC;
  opacity: 0.5;
}

.form-control:-moz-placeholder {
  color: #CCCCCC;
  opacity: 0.5;
}

.form-control::-moz-placeholder {
  color: #CCCCCC;
  opacity: 0.5;
}

.form-control:-ms-input-placeholder {
  color: #CCCCCC;
  opacity: 0.5;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    z-index: 999;
}

.turnstile-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    display: none;
}

header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

@media (max-width: 768px) {

  #advantages-section .row {
    justify-content: center !important;
    text-align: center;
  }

  li img[alt="QR icon"] {
    display: block;
    margin-left: auto;
    margin-right: auto;
  }

  .rounded, .card, img {
    border-radius: 0 !important;
  }

  #contact-section {
    padding: 0 !important;
  }

  #contact-form {
    padding: 2.5rem !important;
  }
  
  #main-benefits-section .text-start {
    text-align: center !important;
  }

  #main-benefits-section .row {
    justify-content: center !important;
  }

  #main-benefits-section .col-md-4,
  #main-benefits-section .col-sm-6 {
    display: flex;
    justify-content: center;
  }

  #main-benefits-section .h-100 {
    text-align: center;
  }

 #main-benefits-section .d-flex {
    justify-content: center !important;
    align-items: center !important;
  }

  #main-benefits-section img {
    display: block;
    margin-left: auto;
    margin-right: auto;
  }

  #main-benefits-section .d-flex.justify-content-center.align-items-center {
    width: 100% !important; 
    justify-content: center !important; 
  }

  #main-benefits-section .d-flex.justify-content-center.align-items-center img {
    display: block;
    margin: 0 auto;
  }

  #hero-section,
  #header-section,
  #advantages-section,
  #main-benefits-section,
  #footer {
      margin: 0 2rem !important;
  }
}