*{
    font-family: 'Montserrat', sans-serif;
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

button{
    font-family: 'Montserrat', sans-serif;
}

header {
    display: flex;
    width: 90%;
    height: 10vh;
    margin: auto;
    align-items: center;
}

.logo-container,
.nav-links {
    display: flex;
}

.logo-container {
    flex: 1;
}

.logo-container img{
    width: 75px;
}
.logo {
    text-align: center;
    font-weight: 500;
    color: #2bcccb;
    font-size: 18px;
    margin: 25px 5px 5px 5px;
}
nav {
    flex: 2;
}
#active{
  color: purple;
  border-bottom: 1px solid purple;
}
.nav-links {
    justify-content: space-around;
    list-style: none;
}
.nav-link {
    color: #5f5f79;
    font-size: 18px;
    text-decoration: none;
}

.nav-link:hover{
    color: purple;
}

.presentation{
    display: flex;
    width: 90%;
    margin: auto;
    align-items: center;
}
.introduction{
    flex: 1;
}

.intro-text h1{
    font-size: 55px;
    font-weight: 500;
    background: linear-gradient(to right,#2bcccb, purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.intro-text p{
    margin-top: 5px;
    font-size: 22px;
    color: #5f5f79;
}

.cta{
    padding: 50px 0px 0px 30px;
}

.cta-select:hover{
    border: 2px solid purple;
    background: transparent;
    color: purple;
    width: 100px;
    height: 50px;
    font-size: 16px;
    cursor: pointer;
}

.cta-select{
    border: none;
    background: purple;
    color: white;
    width: 100px;
    height: 50px;
    font-size: 16px;
    cursor: pointer;
}

.cover img{
    height:86.9vh;
}

.circle{
    position: absolute;
    top: 0px;
    right: 30px;
    z-index: -1;
    height: 100vh;
    opacity: 0.08;
}

@media screen and (max-width: 800px){
    .presentation {
        flex-direction: column;
    }
    .introduction {
        margin-top: 5vh;
        text-align: center;
    }
    .intro-text h1 {
        font-size: 40px;
    }
    .intro-text p {
        font-size: 18px;
    }
    .cover img {
        height: 80%;
    }
    footer{
      flex-direction: column;
      height: 100%;
      padding-bottom: 20px;
    }
}

.info{
    width: 90%;
    margin: 200px auto auto;
    padding-top: 20px;
    height: 75vh;
    align-items: center;
    border-radius: 30px;
    background: linear-gradient(to right,#91EAE4, #7F7FD5);
}

.info h2{
    color: white;
    text-align: center;
    font-size: 30px;
    padding: 0px 30px 30px 30px;

}

view{

    align-items: center;
    padding: 50px 25px 50px 25px;
    width: 90%;
    margin: 50px auto 50px auto;
    display: flex;
    justify-content: space-around;
    border-radius: 15px;
    border:2px dashed #2bcccb;
}

view h2{
    font-size: 25px;
    font-weight: 400;
    color: #2bcccb;
}

view button{


}

iframe {
  display: block;
    width: 80%;
    height: 80%;
    margin: 0 auto;
    background-color: #777;
}
footer{
  height: 25vh;
  display: flex;
  background: linear-gradient(to right,#91EAE4, #7F7FD5);
  color: white;
}

.by, .social{
  text-align: center;
  align-items: center;
  flex: 1;
  margin-top:30px;
}

.social a{
  color: white;
  text-decoration: none;
  align-content: center;
}

.feed{
  text-align: center;
  width: 50%;
  margin: auto;
}
.twitter-timeline{
  text-align: center;
  background-color: white;
}