body{
    padding: 0;
    margin: 0;
    font-family:sans-serif;
}
*{
    padding: 0;
    margin: 0;
}
a{
    text-decoration: none;
    color: black;
}
ul{
    list-style: none;
}
nav{
    position:sticky;
    top: 0;
    left: 0;
    z-index: 1000;
    width:100%;
    height:75px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: white;


}
nav .nav-left img{
    width:170px;
    padding: 0 30px;
    margin-top: 10px;

}
nav .nav-right{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap:30px
}
nav .nav-right ul{
    display: flex;
    gap:35px;
}
nav .nav-right ul li{
    font-size: 16px;
    font-weight: 600;
}
nav .nav-right i{
    font-size: 20px;
}
nav .nav-right .menu i{
    display: none;
}
nav .nav-right i:hover{
    color: rgb(9, 178, 240);
    transition: all 0.4s ease-in-out;
}
nav .nav-right ul li:hover{
    color: rgb(9, 178, 240); 
    transition: all 0.4s ease-in-out;
}

@media (max-width: 768px){
    nav .nav-left img{
        width:170px;
        margin:0;
        padding: 0 10px;
    }
    nav .nav-right{
        gap:5px;
    }
    nav .nav-right ul{
       position:absolute;
       top: 70px;
       left: 0;
       height: 320px;
       width: 100%;
       display:none;
       text-align: center;
       background-color:rgb(9, 167, 179);
       transition: 1s;
      }
      
     
      nav .nav-right ul li{
        display: flex;
        justify-content: center;
        margin: 30px 0px;
      }
      nav .nav-right ul:active{
        display: block;
      }
    
    
    
    nav .nav-right a{
        color: white;
    }
    nav .nav-right span i{
        display: inline;
        margin: 0;
        font-size: 20px;
    }
    nav .nav-right .menu i{
        display: inline;
        font-size: 30px;
        padding: 1px 3px;
        border: 1px solid rgba(128, 128, 128, 0.425);
        margin-right: 10px;
    }
    nav .nav-right .sign i{
        display: flex;
        color: black;
        margin: 0 10px;
    }
    nav .nav-right .sign i:hover{
        color:  rgb(0, 170, 255);
    }
  

}



/* Navbar */
@keyframes appear{
    from{
        opacity: 0;
        scale: 0.5;
    }
    to{
        opacity: 1;
        scale: 1;
    }
}
.main-buttons button{
    animation: appear   1s linear;  
}
.ani{
    animation: appear   1s linear;  
}
.anim{
    animation: appear  linear;
    animation-timeline: view();
    animation-range: entry 0 cover 40%;
}

.main{
    background-size:100%;
    background-repeat: no-repeat;
    background-position: center;
    display: flex;
    width: 100%;
     margin: 0;
    padding: 0;
    flex-direction: column;
    background-position:center;
}



.main .left{
    padding:0px 80px;
    
}
.main .left h4{
    color: rgb(9, 178, 240);
   font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
   font-size: 25px;
   padding: 0;
   margin-top: 40px;
   margin-bottom: 20px;
}
.main .left h1{
    color: white;
    font-family:'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    font-size: 65px;
    width: 85%;
    max-width: 100%;
    padding: 0;
    margin: 0;
}
.main .left p{
    color: white;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    font-size: 20px;
    width: 70%;
    margin-top: 25px;
}
.main .left .main-buttons button{
    padding: 17px 50px;
    background-color:rgb(255, 153, 0) ;
    margin-top: 30px;
    border: none;
    margin-bottom: 80px;
    font-size: 15px;
    color: white;
    border-radius: 5px;
}
.main .left .main-buttons .join{
    margin-left: 20px;
    background-color: white;
    color: black;
}
.main .left .main-buttons button:hover{
    background: none;
    border: 1px solid rgb(215, 130, 3);
    transition: all 0.4s ease-in-out;
}
.main .left .main-buttons .join:hover{
    border: 1px solid white;
    color: white;
    transition: all 0.4s ease-in-out;
}
@media (max-width: 768px){
        .main .left{
        padding: 20px;
    }
    .main .left h1{
        font-size: 30px;
     width: 100%;
     max-width: 100%;
    }
    .main .left h4{
        font-size: 20px;
    }
    .main .left p{
        font-size: 12px;
    }
    .main .left .main-buttons button{
    padding: 9px 16px;
    margin-top: 35px;
    }
    .main{
    background-size: cover;
    background-position:center;
    height: 100%;
        }
}
/* Main Page*/

.about{
    width:100%;
    display: flex;
    margin-top: 50px;
    gap:60px;
}
.about .about-left{
width: 50%;
margin: 30px 0px 30px 30;
display: flex;
justify-content: right;
}
.about .about-left img{
    width:77%;
    height:400px;
    border-radius: 10px;
}
.about .about-right{
width: 50%;
margin: 30px 30px 30px 0;
}
.about .about-right h6{
    font-size: 20px;
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}
.about .about-right h1{
    color: rgb(9, 178, 240);
    margin-top: 10px;
    font-size:40px;
}
.about .about-right p{
    color: rgba(0, 0, 0, 0.642);
    width: 80%;
    margin-top: 10px;
}
.about .about-right button{
    padding: 10px 40px;
    background-color: rgb(9, 178, 240);
    margin-top: 30px;
    border: none;
    color: white;
    font-size: 20px;
    border-radius: 5px;
    margin-top: 50px;
}

.about .about-right button:hover{
    background: none;
    border: 1px solid  rgb(9, 178, 240) ;
    color: rgb(9, 178, 240);
    transition: all 0.4s ease-in-out;
}

@media (max-width: 768px){
    .about{
        display: block;
        gap:0;
    }
    .about .about-left{
        width: 90%;
        display: flex;
        justify-content: center;
        margin: 0;
        margin-left: 20px;

    }
    .about .about-right{
        width: 91%;
        margin-left: 25px;
    }
    .about .about-right h1{
        font-size:26px;
    }
    .about .about-right h6{
        font-size:18px;
    }

    .about .about-right button{
        padding: 6px 30px;
        font-size: 15px;
        margin-top: 25px;
    }
    .about .about-left p{
        width: 80%;
    }

    .about .about-left img{
        height:300px;
        width:400px;
    }
}
/* About Page*/
.explore{
    display: flex;
    background-color: #F0FBFC;
    margin-top: 30px;
    width: 100%;
    height: 450px;
    margin-bottom: 50px;
    align-items: center;
    justify-content: center;
}
.explore .ex-left{
    width: 50%;
    padding: 70px;
}
.explore .ex-left h1{
    font-size: 40px;
    margin-bottom: 20px;
    color: rgb(9, 178, 240);
}
.explore .ex-left p{
    width:80%;
    color:rgba(0, 0, 0, 0.799);
}
.explore .ex-left button{
    padding: 14px 40px;
    background-color: rgb(9, 178, 240);
    margin-top: 30px;
    border: none;
    color: white;
    font-size: 20px;
    border-radius: 5px;
}
.explore .ex-right{
    width: 50%;
}
.explore .ex-right img{
    width: 70%;
    border-radius: 10px;
}

.explore .ex-left button:hover{
    background: none;
    border: 1px solid  rgb(9, 178, 240) ;
    color:rgb(9, 178, 240);
    transition: all 0.4s ease-in-out;
    
}
@media (max-width: 768px){
    .explore{
        display: block;
        height: 620px;
    }
    .explore .ex-left{
        width: 85%;
        padding: 30px;
      
    }
    .explore .ex-right {
        margin-top: 70px;
    }
    .explore .ex-left h1{
        font-size: 30px;
        width: 100%;
    }
    .explore .ex-left button{
        padding: 12px 26px;
        font-size: 13px;
    }
    .explore .ex-right{
        width: 100%;
        display: flex;
        justify-content: center;
    }
  
}
/*        Explore Page   */

.topic-head{
    width: 100%;
    text-align: center;
    margin-top: 50px;
}
.topic-head h1{
    margin: 20px 0;
    color: rgb(9, 178, 240);
    font-size: 40px;
}
.topic-head p{
    margin: 0;
    font-size: 17px;
    font-family:Verdana, Geneva, Tahoma, sans-serif;
    color: rgba(0, 0, 0, 0.749);
}

.topic{
    width: 100%;
    display: flex;
    flex-direction:row;
    justify-content: center;
    margin-bottom: 50px;
   padding: 20px 0;
    gap:15px;
    flex-wrap: wrap;
    margin-bottom: 50px;
   
}
.topic .subject{
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);ua;
    height: 120px;
    width: 250px;
    border-radius: 5px;
    display: flex;
    flex-direction: column;
    align-items: center; 
    text-align: center;
}
.topic .subject img{
margin-top: 15px;
width: 40px;
}
.topic .subject p{
    font-size: 20px;
    margin-top: 10px;
    width: 100%;
    font-weight: 600;
}
.topic .subject:hover{
    background-color:rgb(9, 178, 240);
    color: white;
    transition: all 0.4s ease-in-out;
}



@media (max-width: 768px){
    .topic .subject{
        width: 85%;
    
        }
}
/*        Categories   */

.footer{
    width: 100%;
    height: 300px;
    background-color: #181d38;
    padding: 80px 0;
    color: white;
    display: flex;
    justify-content: space-between;
}
.footer  .f-left{
    margin-left: 70px;
}
.footer  .f-left p{
margin-top: 20px;
font-size: 15px;
}
.footer .f-center div{
display: flex;
margin-top: 15px;
gap:10px;
}
.footer .f-center div i{
    font-size: 20px;
}
.footer .f-center .social i{
    padding: 10px;
    background-color:rgb(9, 178, 240) ;
    border-radius: 50%;
    color: white;
}

.footer .f-center .social i:hover{
    background:none ;
    border: 1px solid rgb(9, 178, 240) ;
    color: rgb(9, 178, 240);
    transition: all 0.4s ease-in-out;

}

.footer .f-right{
    width: 340px;
    margin-top: 20px;
    margin-right: 60px;
}
.footer .f-right h1{
    font-size: 23px;
}
.footer .f-right p{
    margin-top: 20px;
    line-height: 25px;
}

.footer .f-right .input-email{
    display: flex;
    align-items: center;
    margin-top: 20px;
}
.footer .f-right .input-email button{
    position: absolute;
 right: 60px;
 padding: 10px 20px;
 margin-right: 10px;
 border: 0;
 background-color: rgb(9, 178, 240) ;
 color: white;
 border-radius: 10px;
}
.footer .f-right .input-email input{
    width: 100%;
    height: 50px;
    position: relative;
    display: flex;
    border-radius: 10px;
    font-size: 20px;
    padding: 12px;
    color:  rgb(9, 178, 240);
    font-size: 15px;
}

.footer .f-right .input-email button:hover{
    background:0;
    border: 1px solid rgb(9, 178, 240);
    color:  rgb(9, 178, 240);
    transition: all 0.4s ease-in-out;
    }

    @media (max-width: 768px){
        .footer{
            height: 700px;
            display: block;
            padding: 50px 0;
        }

        .footer .f-left{
            width: 90%;
            margin-bottom: 70px;
            padding: 0;
            margin-left: 30px;
        }
        .footer .f-center{
            width: 90%;
            margin-bottom: 70px;
            padding: 0;
            margin-left: 30px;
        }
        .footer .f-right{
            width: 90%;
            margin-bottom: 70px;
            padding: 0;
            margin-left: 20px;
        }
        .footer .f-right .input-email{
            width: 100%;
        }

        .footer .f-right .input-email button{
            margin: 0;
            right: 30px;
        }
    }
   
/*        Categories   */