*
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html{
    font-size: 62.5%;
    scroll-behavior: smooth;
}
.b{
    height: 400vh;
    width: 100%;
    background: linear-gradient(to right, rgba(255, 0, 0, 0.603), rgba(0, 0, 255, 0.603));    
    
}
.b .a{
    height: 20vh;
    background: linear-gradient(to right, rgba(0, 0, 255, 0.685) , rgba(0, 0, 0, 0.74));
    clip-path: polygon(
        0 0,
        100% 0,
        100% 80%,
        50% 100%,
        0 80%
    );
    text-align: center;
    justify-content: center;
    z-index: -3000;
}
.b .watermark img{
    position: fixed;
    max-width: 50rem;
    max-height: 50rem;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    opacity: 0.3;
    z-index: -1000;
}
.sidebar header img{
    position: absolute;
    max-width: 55px;
    max-height: 55px;
    user-select: none;
    top: 15px;
    left: 4px;
    border-radius: 50%;
    z-index: 1000;
}
.sidebar header .logo{
    position: relative;
    top: 0;
    height: 80px;
    width: 100%;
    line-height: 80px;
    background: rgba(0, 0, 255, 0.486);
}
.sidebar header .logo .name{
    position: absolute;
    text-align: center;
    justify-content: center;
    font-weight: 600;
    color: rgb(255, 255, 255);
    top: 30%;
    left: 14%;
    line-height: 40px;
    font-size: 2.4rem;
    width: 80%;
}
.sidebar{
    position: fixed;
    background: rgba(255, 255, 255, 0.459);
    backdrop-filter: blur(5px);
    height: 100vh;
    left: -250px;
    width: 210px;
    z-index: 10;
    overflow-y: auto;
    transition: all 0.5s ease-in;
}
.sidebar .menu{
    width: 100%;
}
.sidebar .menu .item{    
    position: relative;
    font-weight: 600;
    cursor: pointer;
}
.sidebar .menu .item a{
    text-decoration: none;
    color: rgb(0, 0, 0);    
    font-size: 2rem;
    display: block;
    padding: 4px 20px;
    line-height: 60px;
    border-left: 4px solid transparent;
    transition: 0.3s ease-in;
}
.sidebar .menu .item a:hover{
    color: rgb(247, 8, 8);
    transition: 0.3s ease;
    border-left-color: rgb(240, 6, 6) ;
    padding-left: 25px;
}
.sidebar .menu .item i{
    margin-right: 15px;
}
.sidebar .menu .item a .dropdown{
    position: absolute;
    right: 0;
    margin: 20px;
    transition: 0.5s ease;
}
.sidebar .menu .item .sub-menu{
    position: relative;

    background: rgba(236, 110, 110, 0.219);
    display: none;
}
.sidebar .menu .item .sub-menu a {
    font-size: 1.7rem;
    padding-left: 80px;
    line-height: 40px;
}
#check{
    display: none;
}
label #btn, label #cancel{
    position: fixed;
    cursor: pointer;
    border-radius: 3px;
    z-index: 100;
}
label #btn{
    left: 20px;
    top: 20px;
    font-size: 2.6rem;
    color: white;
    padding: 6px 10px;
    transition: all 0.5s ease-out;
}
label #cancel{
    color: white;
    z-index: 1111;
    left: -160px;
    top: 20px;
    font-size: 3rem;
    padding: 4px 9px;
    transition: all 0.5s ease-in;
}
#check:checked ~ .sidebar{
    left: 0;
}
#check:checked ~ label #btn{
    left: 160px;
    opacity: 0;
    pointer-events: none;
}
#check:checked ~ label #cancel{
    left: 160px;
    opacity: 1;
}
.a .welcome{
    position: absolute;
    left: 30%;
    top: 5%;
    font-size: 5rem;
    color: whitesmoke;
}






#Knowus{
    height: 80vh;
    width: 100%;
    transition: all 0.5s;
}
.container{
    display: block;
    width: 80%;
    align-items: Left;
    text-align: justify;
    margin: auto;
    padding-top: 100px;
}
.content-section{
    float: left;
    width: 55%;
}
.img-section{
    float: right;
    width: 40%;
    margin-top: 8%;
}
.img-section img{
    border: 8px solid white;
    border-radius: 8px;
    height: auto;
    width: 100%;
}
.content-section .title{
    text-transform: uppercase;
    color: black;
    text-decoration: underline;
    font-size: 3rem;
}
.content-section .content p{
    margin-top: 20px;
    color: rgb(255, 255, 255);
    font-size: 2rem;
    line-height: 1.5;
}
.content-section .content .button{
    margin-top: 30px;
}
.content-section .content .button a{
    text-decoration: none;
    padding: 1.2rem 4rem;
    background-color: coral;
    border-radius: 10px;
    color: white;
    font-size: 2.5rem;
    letter-spacing: 1.5px;
    animation: typo 2s ease-in-out infinite alternate;
}
@keyframes typo{
    50%{
        border-color: rgb(0, 255, 85);
        filter: hue-rotate(90deg);
    }

}







#contacts{
    height: 80vh;
    width: 100%;
    transition: all 0.5s;
}
.contact-sec{
    display: flex;
    align-items: center;
    justify-content: center;
}
.contactinfo{
    background: none;
    color: black;
    border-radius: 5px;
    font-weight: 700;
    border: 2px solid rgb(255, 255, 255);
    line-height: 6.5rem;
    padding: 0 3rem;
    margin-left: 5%;
    margin-top: 15rem;
    font-size: 2rem;
}
.contactinfo i{
    margin-right: 20px;
    font-size: 2.5rem;
}
.contactform{
    padding: 0 3rem;
    max-width: 700px;
}
.contactform h2{
    color: rgb(255, 255, 255);
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 2px solid rgb(114, 250, 227);
    border-radius: 6px;
    text-align: center;
    font-size: 3.9rem;
    padding: 5px 0;
    text-decoration: underline;
    text-transform: uppercase;
    margin-bottom: 30px;
    /*linear-gradient(to left,rgba(0, 0, 0, 0.548),rgba(255, 255, 255, 0.555))
    rgb(114, 250, 227);
    rgba(0, 0, 0, 0.733)
    white*/
}
.contactform .textbox{
    background:rgba(0, 0, 0, 0.473);
    color: white;
    border: 1px solid white;
    width: calc(50% - 10px);
    height: 5rem;
    font-weight: 500;
    padding: 12px;
    font-size: 1.5rem;
    border-radius: 5px;
    box-shadow:0px 1px 1px rgba(0, 0, 0, 0.678);
    margin-bottom: 2rem;
    opacity: 0.9;
}
.contactform .textbox:first-child{
    margin-right: 15px;
}
.contactform textarea{
    overflow: auto;
    background: rgba(0, 0, 0, 0.473);
    color: white;
    border: 1px solid white;
    width: 100%;
    padding: 12px;
    font-size: 15px;
    min-height: 200px;
    max-height: 280px;
    resize: vertical;
    border-radius: 8px;
    box-shadow:0px 1px 1px rgba(0, 0, 0, 0.678);
    margin-bottom: 20px;
    opacity: 0.9;
}
.contactform .sndbtn{
    float: right;
    background: orange;
    color: white;
    border: none;
    width: 12rem;
    height: 4rem;
    font-size: 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.5s;
}
.contactform .sndbtn:hover{
    background: tomato;
}







.picture{
    height: 70vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0%;
    padding: 0%;
}
.picture .slider{
    width: 80rem;
    height: 40rem;
    border-radius: 10px 10px 10px;
    overflow: hidden;
}
.picture .slider .slides{
    width: 500%;
    height: 40rem;
    display: flex;
}
.slides input{
    display: none;
}
.slides .first{
    width: 20%;
    transition: 2s;
}
.slides .first img{
    width: 80rem;
    height: 40rem;
}

/*manual navigation*/
.manual{
    position: absolute;
    width: 80rem;
    margin-top: -4rem;
    display: flex;
    justify-content: center;
}
.manual-btn{
    border: 2px solid white;
    padding: 5px;
    border-radius: 1rem;
    cursor: pointer;
    transition: 1s;
}
.manual-btn:not(:last-child){
    margin-right: 4rem;
}
.manual-btn:hover{
    background: white;
}

#radio1:checked ~ .one{
    margin-left: 0;
}
#radio2:checked ~ .one{
    margin-left: -20%;
}
#radio3:checked ~ .one{
    margin-left: -40%;
}
#radio4:checked ~ .one{
    margin-left: -60%;
}
#radio5:checked ~ .one{
    margin-left: -80%;
}

/*automatic navigation*/

.auto{
    position: absolute;
    width: 80rem;
    margin-top: 36rem;
    display: flex;
    justify-content: center;
}
.auto div{
    border: 2px solid white;
    padding: 5px;
    border-radius: 1rem;
    cursor: pointer;
    transition: 1s;
}
.auto div:not(:last-child){
    margin-right: 4rem;
}
#radio1:checked ~ .auto .btn1{
    background: white;
}
#radio2:checked ~ .auto .btn2{
    background: white;
}
#radio3:checked ~ .auto .btn3{
    background: white;
}
#radio4:checked ~ .auto .btn4{
    background: white;
}
#radio5:checked ~ .auto .btn5{
    background: white;
}



@media (max-width:768px) {
    html{
        font-size: 55%;
    }
    .a .welcome{
        left: 13%;
        top: 5%;
    }
    .container{
        display: block;
        width: 80%;
        align-items: Left;
        text-align: justify;
        margin: auto;
        padding-top:50px;
    }
    .content-section{
        float: none;
        width: 100%;
        display: block;
        margin: auto;
    }
    .img-section{
        float: none;
        width: 100%;
        display: block;
        padding: 0 0 20px 0;
    }
    .content-section .title{
        text-align: center;
    }
    .content-section .content .button{
        text-align: center;
    }
    .content-section .content .button a{
        padding: 9px 30px;
    }

    /*picture slider*/
    .picture .slider{
        width: 75rem;
    }
    
}

@media (max-width:320px) {
    html{
        font-size: 35%;
    }
    .b{
        min-height: 330vh;
    }
    .a .welcome{
        font-size: 3.9rem;
    }
    #Knowus{
        min-height: 80vh;
    }
    .sidebar{
        position: fixed;
        min-height: 100%;
    }
    #social{
        min-height: 15vh;
    }
    .picture{
        height: 50vh;
    }
    /*picture slider*/
    .picture .slider{
        max-width: 43rem;
        max-height: 25rem;
    }
    .slides .first img{
        max-width: 43rem;
        max-height: 25rem;
    }
    /*manual navigation*/
    .manual{
        position: absolute;
        max-width: 43rem;   
    }
    .manual-btn{
    border: 2px solid white;
    padding: 5px;
    }
    /*automatic navigation*/
    .auto{
        position: absolute;
        max-width: 43rem;
        margin-top: 34rem;
    }
    .auto div{
        border: 2px solid white;
        padding: 5px;
    }
}

@media (max-width:360px) {
    .b{
        min-height: 260vh;
    }
    .a .welcome{
        font-size: 4.3rem;
    }
    #social{
        min-height: 15vh;
    }
}

@media (max-width:414px) and (min-width:320px) {
    html{
        font-size: 45%;
    }
    .b{
        height: 400rem;
    }
    .a .welcome{
        position: absolute;
        text-align: center;
        left: 0%;
        top: 4%;
        background-blend-mode: multiply;
    }
    .b .pes{
        left: 6rem;
        top: 20rem;
    }
    .b .a{
        height: 24vh;
        clip-path: polygon(
        0 0,
        100% 0,
        100% 60%,
        50% 100%,
        0 60%
        );
    }
    #Knowus{
        max-height: 80vh;
    }

    
    .contact-sec{
        max-height: 100vh;
        display: block;
    }
    .contactinfo{
        padding-right: 0;
        width: 90%;
        font-size: 2rem;
    }
    .contactform{
        margin-top: 5rem;
    }

    /*picture*/
    .picture{
        height: 50vh;
    }
    /*picture slider*/
    .picture .slider{
        width: 50rem;
        height: 30rem;
    }
    .slides .first img{
        width: 50rem;
        height: 30rem;
    }

    /*manual navigation*/
    .manual{
        position: absolute;
        width: 50rem;
        margin-top: -6rem;   
    }
    .manual-btn{
    border: 2px solid white;
    padding: 5px;
    }

    /*automatic navigation*/
    .auto{
    position: absolute;
    width: 50rem;
    margin-top: 34rem;
    }
    .auto div{
    border: 2px solid white;
    padding: 5px;
    }


    
    #social{
        position: relative;
        height: 20rem;
        background:linear-gradient(to right bottom,rgba(57, 54, 255, 0.795),rgba(22, 20, 160, 0.904));
    }
    .Copywrite{
        position: absolute;
        text-align: center;
        font-size: 10px;
        color: white;
        top: 15%;
    }
    .socialmedia{
        position: absolute;
        display: flex;
        justify-content: center;
        text-align: center;
        left: 50%;
        transform: translate(-50%);
        top: 50%;
    }
    .socialmedia a {
        display: flex;
        background: linear-gradient(rgba(255, 255, 255, 0.555),rgba(0, 0, 255, 0.075));
        height: 5.5rem;
        width: 5.5rem;
        margin: 0 15px;
        border-radius: 8px;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        box-shadow: 6px 6px 10px -1px rgba(0, 0, 0, 0.678),
        -6px -6px 10px -1px rgba(255, 255, 255, 0.678);
        border: 1px solid rgba(0, 0, 0, 0);
        transition: transform 0.5s;
    }
    .socialmedia a i {
        font-size: 3rem;
        color: rgb(252, 252, 252);
        transition: transform 0.5s;
    }
    .socialmedia a:hover {
        box-shadow: inset 4px 4px 6px -1px rgba(0, 0, 0, 0.2),
          inset -4px -4px 6px -1px rgba(255, 255, 255, 0.678),
          -0.5px -0.5px 0px rgba(255, 255, 255, 1),
          0.5px 0.5px 0px rgba(0, 0, 0, 0.15), 0px 12px 10px -10px rgba(0, 0, 0, 0.05);
      
        border: 2px solid rgb(255, 255, 255);
        transform: translateY(2px);
    }
    .socialmedia a:hover i {
        transform: scale(0.9);
    }
    .socialmedia a:hover #facebook {
        color: #3b5998;
    }
    .socialmedia a:hover #instagram {
        color: #f14843;
    }
    .socialmedia a:hover #youtube {
        color: #f00;
    }
    
    /*yt-video*/
    .videowrapper .iframecontainer{
        position: relative;
        display: block;       
    }
    .videowrapper .iframecontainer iframe{
        position: relative;
        max-width: 92%;;
    }
}


.videowrapper{
    position: relative;
    height: 80vh;
    width: 100%;
    transition: all 0.5s;
}
.videowrapper h1{
    position: relative;
    font-size: 4rem;
    background: linear-gradient(to right,rgba(163, 13, 13, 0.808),rgba(196, 195, 195, 0.719));
    border-radius: 2rem;
    margin: 0 6%;
    display: flex;
    justify-content: center;
    padding: 3rem;
    text-decoration: underline;
    font-family: Georgia, 'Times New Roman', Times, serif;
}
.videowrapper .iframecontainer{
    position: relative;
    display: block;
    width:100%;
    flex: 1;
    justify-content: center;
}
.videowrapper .iframecontainer iframe{
    position: relative;
    padding-top: 6rem;
    padding-left: 5%;
    width: 58rem;
    height: 35rem;
    justify-content: center;
}
.videowrapper .iframecontainer iframe:first-child{
    margin-right: 4rem;    
}
.notice{
    height: 30vh;
}
.noticecontent{
    height: 22vh;
    overflow: auto;
}
.notice h1{
    position: relative;
    justify-content: center;
    display: flex;
    text-decoration: underline;
    padding: 4rem;
    align-items: center;
    font-size: 3.5rem;
}
.notice p{
    position: relative;
    justify-content: center;
    display: flex;
    font-size: 2rem;
    padding: 1rem 2rem;
    width: 100%;
    background: white;
    text-align: center;
}
.notice a{
    position: absolute;
    font-size: 2rem;
    padding: 1rem;
    background: white;
    align-items: center;
    width: 100%;
    text-align: center;
}