*{
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
}
body{
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(#D5A3FF 0%, #77A5F8 100%);
}
.container
{
   display: flex;
   justify-content: center;
   align-items: center;
   flex-wrap: wrap;
}
.container .card
{
   width: 330px;
   height: 330px;
   padding: 60px 30px;
   margin: 20px;
   background: #cfcfcf;
   border-radius: 20px;
}
.container .card .content
{
   display: flex;
   justify-content: center;
   align-items: center;
   flex-direction: column;
}
.container .card .content .imgBx
{
   width: 180px;
   height: 180px;
   border-radius: 50%;
   position: relative;
   margin-bottom: 20px;
   overflow: hidden;
}
.container .card .content .imgBx img
{
   position: absolute;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   object-fit: cover;
}
.container .card .content .contentBx h4
{
   color: #36187d;
   font-size: 1.7rem;
   font-weight: bold;
   text-align: center;
   letter-spacing: 1px;
}
.container .card .content .contentBx h5
{
   color: #6c758f;
   font-size: 1.2rem;
   font-weight: bold;
   text-align: center;
}
.container .card .content .sci
{
   margin-top: 20px;
}
.container .card .content .sci a
{
   text-decoration: none;
   color: #6c758f;
   font-size: 30px;
   margin: 10px;
   transition: color 0.4s;
}
.container .card .content .sci a:hover
{
   color: #0196e3;
}
/*  */
.main1{
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
.profile-card{
  position: relative;
  width: 220px;
  height: 220px;
  background: #fff;
  padding: 30px;
  border-radius: 50%;
  box-shadow: 0 0 22px #3336;
  transition: .6s;
  margin: 0 25px;
}
.profile-card:hover{
  border-radius: 10px;
  height: 260px;
}
.profile-card .img{
  position: relative;
  width: 100%;
  height: 100%;
  transition: .6s;
  z-index: 99;
}
.profile-card:hover .img{
  transform: translateY(-60px);
}
.img img{
  width: 100%;
  border-radius: 50%;
  box-shadow: 0 0 22px #3336;
  transition: .6s;
}
.profile-card:hover img{
  border-radius: 10px;
}
.caption{
  text-align: center;
  transform: translateY(-80px);
  opacity: 0;
  transition: .6s;
}
.profile-card:hover .caption{
  opacity: 1;
}
.caption h3{
  font-size: 21px;
}
.caption p{
  font-size: 16px;
  color: #0c52a1;
  margin: 2px 0 9px 0;
}
.caption .social-links a{
  color: #333;
  margin-right: 8px;
  font-size: 21px;
  transition: .6s;
}
.social-links a:hover{
  color: #0c52a1;
}
/*  */

/*  */
.container1 {
  margin: 20px 40px;
  color: white;
}

.heading {
  font-size: 60px;
  color: white;
}

.heading span {
  font-style: italic;
  font-size: 30px;
}

.profiles {
  display: flex;
  justify-content: space-around;
  margin: 20px 80px;
}

.profile {
  flex-basis: 260px;
}

.profile .profile-img {
  height: 260px;
  width: 260px;
  border-radius: 50%;
  cursor: pointer;
  transition: 400ms;
}
.user-name {
  margin-top: 30px;
  font-size: 35px;
  align-items: center;
}
.user-name1{
  margin-top: 30px;
  font-size: 25px;
  align-items: center;
}

.profile h5 {
  font-size: 18px;
  font-weight: 100;
  letter-spacing: 3px;
  color: #ccc;
}

.profile p {
  font-size: 16px;
  margin-top: 20px;
  text-align: justify;
}

@media only screen and (max-width: 1150px) {
  .profiles {
    flex-direction: column;
  }

  .profile {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .profile p {
    text-align: center;
    margin: 20px 60px 80px 60px;
    font-size: 20px;
  }
}

@media only screen and (max-width: 900px) {
  .heading {
    font-size: 40px;
    color: white;
    text-align: center;
  }

  .heading span {
    font-size: 15px;
  }

  .profiles {
    margin: 20px 0;
  }

  .profile p {
    margin: 20px 10px 80px 10px;
  }
}

/*  */
.full-screen-video-container{
  position: fixed;
  height: 100vh;
  width: 100vw;
  overflow-x: scroll;
  -ms-overflow-style: none;  /* Internet Explorer 10+ */
  scrollbar-width: none;  /* Firefox */
}

.full-screen-video-container::-webkit-scrollbar { 
  display: none;  /* Safari and Chrome */
}

.full-screen-video-container video {
  opacity: 0.6;
  z-index: -1;
  position: fixed;
  width: 100%;
  height: 600%;
  min-width: 100%;
  min-height: 100%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
@media (min-aspect-ratio: 16/9) {
  #videoBG {
      width:100%;
      height: auto;
  }
}
@media (max-aspect-ratio: 16/9) {
  #videoBG { 
      width:auto;
      height: 100%;
  }
}

/*----------------menu----------------*/
nav{
  position: fixed;
  overflow-x: hidden;
  padding: 0;
  margin: 0;
} 

a{
  text-decoration: none;
}

li{
  list-style: none;
}

nav{
  background : rgba(240, 235, 235, 0.861);
  height:  80px;
  width: 100%;
  position: absolute;
}

label.logo{
  color: white;
  font-size: 35px;
  line-height: 80px;
  padding: 0 100px;
  font-weight: bold;    
}

nav ul{
  margin-top: 15px;
  float: right;
  margin-right : 20px;
}

nav ul li{
  display: inline-block;
  line-height: 45px;
  margin: 0 5px;
}

nav ul li a{
 
  color : rgb(30, 30, 30);
  font-size: 17px;
  text-transform: uppercase ;
  padding: 7px 13px;
  border-radius: 3px;
} 

nav ul li a:hover{
  background : rgb(176, 175, 175);
  color: black;
  transition: 0.4s;
  font-size: 25px;

}
.checkbtn{
  font-size: 30px;
  color: white;
  float: right;
  line-height: 80px;
  margin-right: 40px;
  cursor: pointer;
  display: none;
}
#check{
  display: none;
}
@media (max-width: 952px) {
  label.logo{
  font-size: 30px;
  padding-left: 50px;
  }
}
  
nav ul li a{
  font-size: 16px;
}
@media (max-width: 858px) {
  .checkbtn{
      display: block;
  }
  nav ul{
      opacity: 1;
      position: fixed;
      width: 50%;
      height: 90vh;
      background: rgb(210, 208, 208);
      border-bottom-right-radius : 550px ;
      top: 65px;
      left: -118%;
      text-align: center;
      transition: all 1s;
  }
  nav ul li{
      margin: 50px 0;
      display: block;
      line-height: 30px;

  }
  nav ul li a{
      font-size: 15px;
      transition: 0.2s;
  }
  nav ul li a:hover{
      background : rgb(191, 201, 207);
      color: black;
      font-size: 35px;
  }
  #check:checked~ul{
      left: 0;
  }
}
.logo img{
  float: left;
  margin: 5px;
  border-radius: 30px;
  width: 150px;
}
i{
  transition: 0.05s;
  color: rgba(43, 43, 43, 0.635);
}
i:hover{
  color: black;
}
i:active{
  transform: rotate(90deg);
}
/*---------------content-----------------------*/


/*---------------header-------------------------*/
header{
  display: flex;
  align-items: flex-end;
  justify-content: center;

}
.header-content{
  margin-bottom: 200px;
  margin-top: 260px;
  text-align: center;
}
.header-content h2{
  font-size: 5vmin;
}
.header-content h3{
  margin-bottom: 25px;
}
.line{
  width: 150px;
  height: 7px;
  background: rgb(42, 124, 30);
  border-radius: 5px;
  margin: 10px auto;
}
.header-content h1{
  color: rgb(0, 2, 40);
  font-size: 7vmin;
}
.header-content a{
  color: azure;
  border-radius: 30px;
  font-size: 2vmin;
  padding: 10px;
  background-color: rgb(77, 77, 77);
  transition: 0.5s;
}
.header-content a:hover{
  color: rgb(77, 77, 77);
  background-color: azure;;
}
.header-content a:active{
  font-size: 2.5vmin;
}

/*------------faculty--------------------*/
.about{
  background-color: rgba(255, 255, 255, 0);
  padding: 40px;
  width: 100%;
  margin-top: 80px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 100px;

}
.techbrain_about  h2{
  position: relative;
  color: #0c233e;
  font-size: 10vmin;
}
.title{
  text-align: center;
  font-size: 4vmin;
  color: rgb(29, 27, 27);
}

.row{
  display: flex;
  align-items: center;
}
.col p{
  font-size: 2vmin;
  color: rgb(109, 78, 0);
  font-weight: bold;
}
.col img{
  border-style: outset ;
  border-color: rgb(255, 246, 229);
  border-width: 3px;
  border-radius: 30px;
  margin-top: 5%;
  width: 45%;
  flex-direction: column;
  transition: 0.4s;
  cursor: pointer;
}
.col img:hover{
  width: 53%;
}
.col h4{
  cursor: pointer;
  padding-top: 50px;
  position: relative;
  font-size: 3vmin;
  color: rgb(48, 48, 63);
  margin : 10px auto;
}

.coll p{
  font-size: 2.2vmin;
  color: rgb(109, 78, 0);
  font-weight: bold;
}
.coll img{
  border-style: outset ;
  border-color: rgb(255, 246, 229);
  border-width: 2px;
  border-radius: 10px;
  margin-top: 5%;
  width: 61%;
  flex-direction: column;
  transition: 0.4s;
  cursor: pointer;
}
.coll img:hover{
  width: 68%;
}
.coll h4{
  cursor: pointer;
  padding-top: 50px;
  position: relative;
  font-size: 2.8vmin;
  color: rgb(48, 48, 63);
  margin : 10px auto;
}

.about .row{
  mask-type: 50px;
}
.line_about{
  width: 250px;
  height: 7px;
  background: rgba(0, 0, 0, 0.797);
  border-radius: 5px;
  margin: 10px auto;
}

/* footer */
@import url('https://fonts.googleapis.com/css2?family=Poppins&display=swap');

.footer-area {
font-family: 'Poppins', sans-serif;
box-sizing:border-box;
padding: 100px 0;
background: #c6c6c6;
background: -moz-linear-gradient(left,  #c6c6c6 0%, #6085b2 100%);
background: -webkit-linear-gradient(left,  #c6c6c6 0%,#6085b2 100%);
background: linear-gradient(to right,  #c6c6c6 0%,#6085b2 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#2749c4', endColorstr='#6085b2',GradientType=1 );
color:rgb(0, 0, 0);
position:relative;
}
.main {
width: 1200px;
margin: 0 auto;
}
.footer {
display: flex;
justify-content: center;
flex-wrap: wrap;
flex-direction: row;
}
.single-footer {
width: 30%;
}
.single-footer h4 {
text-transform: capitalize;
font-size: 22px;
margin-bottom: 20px;
}
.footer-social a {
color: #fff;
border: 1px solid #fff;
width: 40px;
height: 40px;
display: inline-block;
text-align: center;
line-height: 40px;
border-radius: 50%;
margin-right: 10px;
}
.footer-social {
margin-top: 20px;
}
.single-footer ul {
list-style: none;
}
.single-footer ul li {
margin-bottom: 10px;
position: relative;
padding-left: 20px;
}
.single-footer ul li a {
color: #fff;
text-transform: capitalize;
text-decoration: none;
}
.single-footer ul li a i {
position: absolute;
left: 0;
top: 5px;
}

.copy {
text-align: center;
text-transform: capitalize;
margin-top: 50px;
}

.footer-wave-box {
position: absolute;
left: 0;
top: 0;
height: 45px;
right: 0;
width: 100%;
overflow:hidden;
}
.footer-wave {
background-image: url('../../footer_img/footer-shape.png');
position: absolute;
left: 0;
top: 0;
height: 100%;
width: 200%;
background-size:50%;
background-position:bottom;
background-repeat:repeat-x;
}

.footer-animation{
  animation: footer_wave 5s linear infinite;
  -o-animation: footer_wave 5s linear infinite;
  -webkit-animation: footer_wave 5s linear infinite;
  left:auto;
  right:0;
}
@keyframes footer_wave{
0%{
    -moz-transform:translateX(0%);
}
50%{
  -moz-transform:translateX(25%);
}
100%{
  -moz-transform:translateX(50%);
}
}

@keyframes footer_wave{
0%{
  -o-transform:translateX(0%);
}
50%{
  -o-transform:translateX(25%);
}
100%{
  -o-transform:translateX(50%);
}
}

@keyframes footer_wave{
0%{
    -webkit-transform:translateX(0%);
}
50%{
  -webkit-transform:translateX(25%);
}
100%{
  -webkit-transform:translateX(50%);
}
}
@media only screen and (max-width:1500px){
.techbrain_about{
  margin-bottom: 10%;
}
.footer-wave-box {
  display: none;
}
.footer-area{
  border-top-right-radius: 300px ;
}
}
@media only screen and (max-width:1000px){
.main{
  width:320px;
}
.footer-wave-box {
  display: none;
}
.single-footer:first-child, .single-footer {
  width: 100%;
  margin-bottom:30px;
}
}