@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@100&display=swap');


*{
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: #66fcf1;
    font-weight: lighter;
}

/* for all*/

/* p{
    color: #777;
} */

h2, h3{
    color: #66fcf1;
    text-align: center;
}

html, body{
    scroll-behavior: smooth;
    background-color: #0b0c10;
    font-size: 62.5%;

    margin: 0;
    padding: 0;
}

sup{
    font-size: 1.3rem;
    color: #66fcf1;
}


.main-heading-div{
    background-color: white;
    margin: 0;
    padding: 0;
}

.main-heading{
    font-size: 5rem;
    font-weight: bolder;
    font-style: italic;
    color: #0b0c10;
    background-color: white;
    padding: 1.5rem 0 2rem 0;
    text-align: center;
    margin: 0;
}





/* nav */

.nav ul{
    padding: 0;
    margin: 0;
}

.nav li{
    display: inline;
}

.nav a{
    display: inline-block;
    padding: 0.8rem 1.5rem;
    color: rgba(0, 0, 0, 0.904);
    text-decoration: none;
}

.nav a:hover{
    /* background-color: #45A29E; */
    color: black;
    font-weight: normal;
}

.main-nav{
    text-align: center;
    font-size: 2.5rem;
    font-weight: lighter;
    /* border-bottom: .1rem solid rgba(255, 255, 255, .3); */
}

.main-nav li{
    padding: 0 5%;
}


.main-header{
    background-color: white;
    /* background-image: url(/images/headBackground.jpeg); */
    background-blend-mode: multiply;
    background-size: cover;
    position: sticky;
    top: 0;
    width: 100%;
    padding: 1.0rem;
}


/* first section */

.firstSection {
    height: 10.0rem;
}

.section-img {
    background: rgb(0,0,0,0.4) url(https://source.unsplash.com/1600x900/?study);
    height: 70rem;
    width: auto;
    background-size: cover;
    background-blend-mode: darken;
}


.main-box{
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 90rem;
    margin: auto;
    height: 55rem;
    padding: 4rem;
}

.intro{
    width: 60%;
    justify-content: center;
    align-items: center;
    margin: auto;
    text-align: justify;
    text-justify: inter-word;
}



.large-text{
    font-style: italic;
    font-size: 4.0rem;
    text-align: center;
    font-weight: 200;
    justify-content: center;
    align-items: center;
}

.text-white{
    color: white;
}


/* section1 */

.container{
    max-width: 100.0rem;
    margin: 0 auto;
    padding: 0 2.5rem;
}

.content-main{
    padding: 7.0rem 0;
    text-align: center;
    /* border-bottom: .1rem solid #c5c6c7; */
}

.content-main-last{
    border-bottom: none;
}

/* .content-main:last-child{
    border-bottom: none;
} */

.content-main ul{
    padding-inline-start: 0;
}

.content-main li{
    display: inline;
    text-align: center;
    margin: 3.0rem;
    color: #66fcf1;
}

.content-main a{
    display: inline-flex;
    margin: 2.0rem;
    font-size: 2.2rem;
    text-align: center;
    text-decoration: none;
    color: #66fcf1;
}

/* .inline{
    display: inline;
    margin: auto;
} */

.content-main a:hover{
    color: #45A29E;
}

/* .content-goto{
    padding-top: .4rem;
    font-size: 1;
} */

/* .content-goto h2{
    font-size: 1.5rem;
} */

.content-goto a{
    font-size: 2.5rem;
}

.bg-dark{
    background-color: #1f2833;
}

/* footer */

.footer-bg {
    /* border-top: .2rem solid white; */
    /* margin-top: 2.0rem; */
    background-color: black;
    padding: 1.0rem;
}


/* .footer p{
    text-align: center;
    color: white;
    font-size: 1.2em;
    padding: 0;
} */

.des {
    font-family: 'ubuntu',sans-serif;
    font-size: 1.5rem;
    color: white;
    text-align: center;
    margin: 0;
    font-weight: normal;
}

.des a{
    color: white;
    text-decoration: none;
    font-size: 15px;
    font-weight: bold;
}


/* 
.des:first-child{
    margin-top: 1.2rem;
} */


/* form */
.heading{
    color: white;
    font-weight: bold;
    font-size: 3.5rem;
}

.about{
    padding: 6.0rem 0 12.0rem 0;
}

.content-para{
    padding: 3.0rem;
    font-size:2.2rem;
    font-style: italic;
}

.form {
    max-width: 62%;
    margin: 2.0rem auto;
    padding-top: -1.7rem;
}

.contact {
    height: 68.3rem;
    color: #282828;
    font-size: 1.2rem;
    padding-top: 3rem;
}

.form input {
    color: #0b0c10;
    width: 100%;
    margin: 2.6rem 0;
    padding: .5rem .3rem;
    font-size: 1.9rem;
    border: .2rem solid #66fcf1;
    border-radius: .6rem;
}


.textmsg {
    height: 100%;
    width: 100%;
    margin: 3.0rem 0;
    padding: .5rem .3rem;
    font-size: 1.9rem;
    border: .2rem solid #66fcf1;
    color: #0b0c10;
    border-radius: .6rem;
}


.btn {
    background: white;
    color: #202020;
    border: .2rem solid #202020;
    font-size: 2.0rem;
    letter-spacing: .2rem;
    /* padding: 1.0rem 2.0rem; */
    text-transform: uppercase;
    cursor: pointer;
    display: inline-block;
    margin: 0;
    -webkit-transition: all 0.25s;
    -moz-transition: all 0.25s;
    transition: all 0.25s;
    border-radius: 1.0rem;   
}
.btn a{
    color: black;
}

.btn a:hover{
    color: black;
}


/* .heading-left{
    text-align: left;
} */

.btn:hover{
    background-color: #45A29E ;
    color: white;
    -webkit-transition: all 0.20s;
    -moz-transition: all 0.20s;
    transition: all 0.20s;
  }
  
  .btn:active:after {
    height: 100%;
  }


/* main notes */
.main-notes{
        background-color: #1f2833;
        color: #66fcf1;
        padding-bottom: 3.0rem;
    }

.main-notes h2,h3{
    text-align: left;
    font-size: 5.0rem;
    padding-top: 3.0rem;
    margin-top: 0;
    color: white;
}

.subjects ul{
    margin: 0;
}

.subjects li{
    display: inline-flex;
    margin-top: 4.5rem;
    /* margin-right: 23.0rem; */
    /* border-top: .2rem solid black; */
    font-weight: bolder;
    font-style: italic;
    padding: 1.5rem;
    color: white;
    text-decoration: none;
    font-size: 3.5rem;
}

.subjects a{
    /* padding: 1.5rem; */
    color: #66fcf1;
    text-decoration: none;
    font-size: 1.8rem;
}

.line{
    border-top: .2rem solid white;
    margin: 10.0rem 0;
}

.multi-notes li{
    /* display: inline-table; */
    display: inline-flex;
    margin: 3.0rem;
    padding: 0;
    font-weight: normal;
    font-style: normal;
}

.multi-notes a{
    padding: 0;
    margin: 2.0rem;
}

.multi-notes a:hover{
    color: #45A29E;
}



.container-scm{
    height: 100%;
    width: 100%;
    justify-content: center;
    align-items: center;
    display: flex;
}

.text-scm{
    font-weight: 100;
    font-size: 2.8rem;
    color: #fafafa;
  }

.dud {
    color: #757575;
}

@media(max-width:998px){
    html{
        font-size: 55%;
    }
}

@media(max-width:768px){
    html{
        font-size: 45%;
    }
}

@media(max-width:500px){
    html{
        font-size: 35%;
    }
}

@media(max-width:400px){
    html{
        font-size: 25%;
    }
}