*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}
body{
    margin:0;
    padding:0;
}
.logo{
    width:180px;
    height:30px;
}
.logo img{
    width:100%;
    height:100%;
}

.topbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin:1.75rem 3rem;
}
.topnav {
    overflow: hidden;
}
  
.topnav a {
  float: left;
  display: block;
  color: #840c16;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 24px;
  transition:all .5s ease;
}
.topnav a:hover{
  background:#FAE1E1;
}
.topnav .icon {
  display: none;
}

.dropdown {
  float: left;
  overflow: hidden;
}

.dropdown .dropbtn {
  font-size: 24px;    
  border: none;
  outline: none;
  color: #840c16;
  padding: 14px 16px;
  background-color: inherit;
  font-family: inherit;
  margin: 0;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown-content a {
  float: none;
  color: #840c16;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}


.dropdown-content a:hover {
  background-color: #FAE1E1;
}

.dropdown:hover .dropdown-content {
  display: block;
}
a.active{
  color:#fff;
  background:#840c16;
}
a.active:hover{
  color:#fff;
  background:#840c16;
}
button{
    opacity:.9;
    border:none;
    outline:none;
    padding:1rem 2rem;
    background:#840c16;
    color:#fff;
    cursor:pointer;
    font-size:16px;
    font-weight:16px;
    transition:all .5s ease;
}
a{
  text-decoration:none;
}
.video button,.students button{
  display:block;
  margin:1rem auto;
}
button:hover{
    opacity:1;
}    
ul{
  margin:1.5rem 0;
}
ul li{
  font-size:1.2rem;
}
p{
    font-size:1.1rem;
    margin:1rem 0;
}
.video{
  padding:2rem 0;
}
.video h1{
    text-align:center;
    margin:3rem 0;
    color:#840c16;
    font-size:3.5rem;
}
.video iframe{
    width:65%;
    height:400px;
    margin:3rem auto;
    display:block;

}
.video p{
    text-align:center;
    margin:1rem 8rem;
}
.arcurvians{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  place-items:center;
  background:#f9f9f9;
  padding:4rem 8rem;
  margin:3rem 0rem;
}
.arcurviansImage img{
  width:100%;
  height:100%;

}
.arcurvians h1{
  margin:1.5rem 0;
  font-size:3.5rem;
  color:#333;
}
.students{
  padding:5rem 0;
  background:#f9f9f9;
}
.students h1{
  text-align:center;
  margin:3rem 0;
  font-size:3.5rem;
  color:#333;
}
.students p{
  text-align:center;
  margin:1rem 5rem;
}
.students p:nth-child(2){
  color:#840c16;
}
.students p:nth-child(4){
font-weight:800;
margin:1rem 0;
}
.chat{
    text-align:center;
    margin:3rem 0;
    padding:3rem 0;
}
.chat p{
    margin:2rem 0;
    color:#840c16;
    font-size:42px;
}
footer{
    display:grid;
    grid-template-columns: repeat(4,1fr);
    place-items: center;
    margin:0 8rem;
}
.footer{
    display:grid;
    grid-template-columns: 1fr;
    gap:1rem;
    align-items: center;
}
.footer p{
    font-size:16px;
    line-height:24px;
    font-family:Arial, Helvetica, sans-serif;
}
.footerLogo{
    width:80px;
    height:15px;
}
.footerLogo img{
    width:100%;
    height:100%;
}
    footer a{
    text-decoration:none;
    color:#840c16;
}

@media screen and (max-width: 900px) {
.video{
  padding:0;
} 
.video iframe{
    width:90%;
    height:250px;
}
.video p{
    text-align:center;
    margin:2rem;
}
.video h1{
  margin:0 1rem;
  font-size:40px;
}
.arcurvians{
  grid-template-columns: 1fr;
  margin:2rem;
  padding:0;
}
.chat{
  margin:0;
  padding:2rem;
}
.chat p{
  margin:2rem;
  font-size:36px;
}
.students{
  padding:2rem 0;
}

}
@media screen and (max-width: 768px) {
    .topnav a:not(:first-child), .dropdown .dropbtn {
      display: none;
    }
    .topnav a.icon {
      float: right;
      display: block;
    }
    .topnav.responsive {position: relative;}
    .topnav.responsive .icon {
      position: absolute;
      right: 0;
      top: 0;
    }
    .topnav.responsive a {
      float: none;
      display: block;
      text-align: left;
    }
    .topnav.responsive .dropdown {float: none;}
    .topnav.responsive .dropdown-content {position: relative;}
    .topnav.responsive .dropdown .dropbtn {
      display: block;
      width: 100%;
      text-align: left;
    }
    .topbar{
      display:flex;
      flex-direction:column;
      justify-content:center;
      align-items:center;
      margin:1.75rem 3rem;
  }
  
  .logo{
      width:300px;
      height:30px;
  }
  footer{
    grid-template-columns:1fr 1fr;
    margin:2rem;
    gap:.5rem;
    place-items:center;
}
.footer{
  place-items:center;
}


  }
  
@media screen and (max-width: 600px) {
  footer{
      grid-template-columns:1fr;
      place-items:center;
  }
  .founder{
      grid-template-columns:1fr;
      place-items:center;
  }
}