* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.inner {
  display: flex;
  justify-content: space-between;
  padding-top: 40px;
  padding-bottom: 160px;
  flex-wrap: wrap;
}

.content {
  max-width: 480px;
  margin-right: 60px;
}

.title {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.2;
}

.highlight {
  background-color: #f0f8ff;
  padding: 4px 12px;
  border-radius: 5px;
}

.text {
  color: #6c757d;
  margin-top: 20px;
}

.list {
  list-style: none;
  margin-top: 30px;
}

.list li {
  margin-bottom: 10px;
}

.button-group {
  margin-top: 30px;
}

.button {
  padding: 10px 20px;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.button.primary {
  background-color: #007bff;
  color: white;
}

.button.default {
  background-color: #f8f9fa;
  color: black;
}

.image {
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .inner {
      flex-direction: column-reverse;
  }

  .content {
      max-width: 100%;
      margin-right: 0;
  }

  .image {
      margin-bottom: 40px;
  }
}

@media (max-width: 5px) {
  .nav-link, .dropdown-item, .line-in, .text-white {
      font-size: 13px;
  }

  .btn {
      font-size: 10px;
      padding: 0.1rem 0.1rem;
  }

  .carousel-item img {
      height: 55vh;
  }

  .my-5 {
      margin-top: 1.5rem;
      margin-bottom: 1.5rem;
  }

  .display-4 {
      font-size: 23px;
  }

  .card-body {
      padding: 0.5rem 0.42rem;
  }

  .card-title {
      font-size: 10px;
  }

  .card-text {
      font-size: 8px;
  }

  .card-img {
      height: 90px;
  }

  .card {
      width: 5rem;
  }

  #btnScrollToTop {
      width: 30px;
      height: 30px;
  }

  .material-icons {
      font-size: 19px;
  }
}

@media (max-width: 40px) {
  .nav-link, .dropdown-item, .line-in {
      font-size: 11px;
  }

  .btn {
      font-size: 11px;
  }

  .carousel-item img {
      height: 50vh;
  }

  .my-5 {
      margin-top: 1.2rem;
      margin-bottom: 1.2rem;
  }

  .display-4 {
      font-size: 18px;
  }

  .card-body {
      padding: 0.38rem 0.3rem;
  }

  .card-title {
      font-size: 8px;
  }

  .card-text {
      font-size: 6.5px;
  }

  .card-img {
      height: 75px;
  }

  .card {
      width: 4rem;
      align-items:center ;

  }

  #btnScrollToTop {
      width: 25px;
      height: 25px;
  }

  .material-icons {
      font-size: 15px;
  }
}
.about .row {
  display: flex;
  align-items: center;
  background: var(--black);
  flex-wrap: wrap;
}

.about .row .image {
  flex: 1 1 45rem;
}

.about .row img {
  width: 100%;
}

.about .row .content {
  flex: 1 1 45rem;
  padding: 2rem;
}

.about .row .content h3 {
  font-size: 3rem;
  color: var(--white);
}

.about .row .content p {
  font-size: 1.6rem;
  color: #ccc;
  padding: 1rem;
  line-height: 1.8;
}


.btn {
  margin-top: 0rem;
  display: inline-block;
  padding: 0.7rem 3rem;
  font-size: 1.7rem;
  color: var(--white);
  background-color: var(--main-color);
  cursor: pointer;
}

.btn:hover {
  letter-spacing: 0.2rem;
}

.btn-whatsapp {
     
  position:fixed; 
  right: 20px;
  bottom:30px; 
  transform: translate(-50%, -50%);  
  background-color:rgb(37, 211, 102); 
  width:60px; height:60px; 
  text-align:center; 
  line-height:58px; 
  font-size:1.8em; 
  color:#ffffff; 
  font-weight:100; 
  border-radius:50%; 
  margin-left: -90px;
}

.btn-whatsapp:before,
.btn-whatsapp:after

{

content: '';
  display:block;
  position: absolute;
  border-radius:50%;
  border:1px solid #25d366;
  left: -20px;
  right: -20px;
  bottom: -20px;
  top: -20px;
  animation: animate 1.5s linear infinite;
  opacity:0;
  backface-visibility:hidden;    
}

.pulsaDelay:after { animation-delay: .5s; }

@keyframes animate {


 0%   { transform: scale(0.5); opacity:0; }
 50%  { opacity:1; }
 100% { transform: scale(1.2); opacity:0; }

}