*{
    overflow-x: hidden;
}
/* ========================header container ============================== */
#videoBg{
    position: absolute;
    top: 0;
    right: 0;
    z-index: -1;
    width: 100%;
    opacity: .7;
}
video{
    overflow: hidden;
}
header{
    position: relative;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    overflow: hidden;
}
.header-container {
    width: 100vw;
    height: 100vh;
    box-sizing: border-box;
    display: flex;
    overflow: hidden;
}

.header-container .hea-cont-left {
    width: 50%;
    height: 100%;
    flex-direction: column;
    margin-top: 25px;
}

.header-container .hea-cont-left h2 {
    margin: 10px;
    font-size: 40px;
    font-weight: bolder;
    color: rgb(116, 51, 116);
}

.header-container .hea-cont-left h3 {
    font-size: 20px;
}

.header-container .hea-cont-right {
    width: 50%;
    height: 100%;
    overflow: hidden;
}

.header-container .hea-cont-right img {
    width: 50%;
    margin-top: 50px;
}

.hea-cont-left-bton {
    width: 100%;
}

.hea-cont-left-bton button,
.fea-back button {
    margin: 40px 50px;
    padding: 12px 30px;
    border-radius: 50px;
    color: white;
    border: 1px solid rgb(116, 51, 116);
    background-color: rgba(116, 51, 116,.3);
    transition: .3s all ease;
}

.hea-cont-left-bton button:hover,
.fea-back button:hover {
    background-color: rgb(116, 51, 116);
    box-shadow: 0 0 20px rgb(95, 52, 95);
}

.hea-cont-left-bton button a {
    color: white;
    text-decoration: none;
}


/* ====================Feaatures =============================== */

.fea-cont {
    width: 100vw;
    height: 160vh;
    overflow: hidden;
}
.fea-cont h2 {
    font-size: 25px;
    margin: 10px;
    padding: 5px;
    width: 100%;
    border-bottom: 3px solid violet;
    text-align: center;
}
.fea-temp {
    width: 48.5vw;
    height: 48vh;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin: 5px;
    background-position: center;
    background-size: cover;
    color: white;
    overflow: hidden;
}
.fea-img{
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: -1;
    transition: .8s;
}
.fea-img img{
    width: 100%;
    height: 100%;
}
.fea-back{
    width: 200%;
    height: 200%;
    transform: translateY(-100%) rotate(-50deg);
    flex-direction: column;
    background-image: linear-gradient(rgba(0, 0, 0, 0.7),rgba(0, 0, 0, 0.7));
    /* border-radius: 100%; */
    transition: .8s;
}
.fea-temp:hover .fea-img{
    transform: rotate(50deg);
    width: 200%;
    height: 220%;
}
.fea-temp:hover .fea-back{
    transform: translateY(0);
    transform: rotate(0);
}
/*--------------------------help in--------------------------------------------- */
.help{
    width: 100vw;
    height: 100vh;
    flex-direction: column;
}
.help-heading  {
    font-size: 25px;
    margin: 10px;
    padding: 5px;
    width: 100%;
    border-bottom: 3px solid violet;
    text-align: center;
    width: 90vw;
}
.help-container {
    width: 90vw;
    display: flex;
}


.panel {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 80vh;
    border-radius: 50px;
    color: white;
    cursor: pointer;
    flex: .5;
    margin: 10px;
    position: relative;
    transition: 0.7s ease-in;
}

.panel h3 {
    font-size: 24px;
    position: absolute;
    bottom: 40px;
    left: 80px;
    margin: 0;
    opacity: 0;
    color: rgb(223, 26, 223);
}
.panel p{
    font-size: 18px;
    position: absolute;
    bottom: 20px;
    left: 80px;
    margin: 0;
    opacity: 0;
}

.panel.active {
    flex: 5;
    border-radius: 0px;
}

.panel.active h3,
.panel.active p {
    opacity: 1;
    transition: opacity 0.3s ease-in 0.4s;
}
/*------------------------------link-------------------------------- */
.links{
    flex-direction: column;
}
.links-container{
    margin-bottom: 20px;
    width: 90vw;
    height: 35vh;
}
.icon{
    display: flex;
    justify-content: center;
    align-items: flex-end;
    flex:.4;
}
.icon a{
    font-size: 12vw;
    height: 26vh;
    color: rgb(28, 153, 153);
    text-decoration: none;
    overflow: hidden;
    
}
.icon .fab{
    cursor: pointer;
    transition: .3s ease;
}
.icon .fab:hover{
    transform: translatey(-20px);
}

@media(max-width:700px) {
    /*---------------------------- headeer----------------------------- */
    #videoBg{
        display: none;
    }
    .header-container{
        background-image: linear-gradient(rgba(255, 255, 255, 0.377),rgba(255, 255, 255, 0.377)), url("../images/notes.jpeg");
        background-attachment: fixed;
        background-position: center;
        background-size: cover;
        overflow: hidden;
    }
    .header-container .hea-cont-left{
        width: 100%;
    }
    .header-container .hea-cont-right{
        display: none;
    }
    .hea-cont-left-bton{
        flex-direction: column;
    }
    /* ----------------------features----------------------- */
    .fea-cont {
        height: 300vh;
    }
    .fea-cont div{
        width: 100%;
    }
    /*---------------------- help---------------------- */
    .help{
        height:65vh ;
    }
    .help-container {
        width: 100vw;
    }
    .panel{
        height: 50vh;
        transition: 1s ease;
    }
    .panel h3{
        bottom: 28%;
    }
    /* -----------------------links----------------------------- */
    .icon a{
        font-size: 20vw;
        height: 20vh;
    }

}
@media(min-aspect-ratio: 16/9){
    #videoBg{
        width: 100%;
        height: auto;
    }
}
@media(max-aspect-ratio: 16/9){
    #videoBg{
        width: auto;
        height: 100%;
    }
}