@font-face{
    font-family: "stn-blod";
    src: url(../../fonts/Sultan\ Adan\ Bold.ttf);
}
@font-face{
    font-family: "mj-titr";
    src: url(../../fonts/Mj_Titr\ DF.ttf);
}
@font-face{
    font-family: "chrift-en";
    src: url(../../fonts/bahnschrift.ttf);
}
@font-face{
    font-family: "mj-casa";
    src: url(../../fonts/Mj_Casablanca\ Light.ttf);
}
*{
    padding: 0;
    margin: 0;
    direction: rtl;
}
:root{
    --bgcolor: rgb(129, 156, 253);
    --nvcolor: rgb(75, 104, 250);
    --hdcolor: rgba(77, 77, 77, 0.47);
    --itmcolor: #53a0ff;
    --dsccolor: rgba(97, 213, 249, 0.663);
}
nav, .navbar, .describe-text, .describe-text-en, .project_menu, .repository_menu, .quadcopter-window, .abvand-window, a {
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;              
    -moz-user-select: none;                
    -ms-user-select: none;                  
    user-select: none;                       
}

body{
background-image: url(../../image/OIP.webp);
}
#site-body{
    display: flex;
    justify-content: center;
    flex-direction: column; 
}
header{
    width: 100%;
    height: 200px;
    display: flex;
    justify-content: center;
    justify-items: center;
    opacity: 0.9;
    background-image: url(../../image/background.png);
    color: rgb(255, 252, 252);
    font-family: mj-titr;
    font-size: 30px;
    padding-top: 20px;
}
nav{
    position: sticky;
    top: 0;
    z-index: 1000;
}
.navbar{
    width: 85%;
    height: 100px;
    display:flex;
    color: rgb(0, 0, 0);
    background-color: var(--nvcolor);
    background: linear-gradient(#acc9ff, #3e5bff);
    border-radius: 10px;
    border: 2px solid rgb(50, 50, 51);
    margin: 13px auto;
    justify-content:flex-start;
    align-items: center;
    font-size: 25px;
    position: relative;
}

.navbar h4{
    border-radius: 8px;
    padding-right: 50px;
    padding-left: 50px;
    padding-top: 20px;
    padding-bottom: 20px;
    font-family: stn-blod;
}
.navbar h4:hover{
    transition-duration: 0.5s;
    background-color: rgba(35, 53, 94, 0.5);
    cursor: pointer;
}
.home a{
    color: #000;
}
.home{
    margin-right: 40%;
}
.project_menu{
    position: absolute; 
    top: 100%;
    right: 0;
    opacity: 1;
    background-color: var(--itmcolor);
    background: linear-gradient(#acc9ff, #3e5bff);
    border-radius: 10px;
    border: 2px solid #01001a;
    min-width: 150px;
    padding-right: 30px;
    box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
    z-index: 2000;
    visibility: hidden;
    transition: all 0.3s ease;
}

.project_menu li a{
    text-decoration: none;
    color: black;
    font-family: stn-blod;
    padding-bottom: 20px;
    display: block; 
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
}
.project_menu li a:hover{
    background-color: #afadf7f5;
}
.project_menu li:last-child a {
    border-bottom: none;
}
.quadcopter:hover .project_menu{
    visibility: visible;
}
.project_menu:hover{
    visibility: visible;
}


.repository_menu{
    position: absolute; 
    top: 100%;
    right: 0;
    opacity: 1;
    background-color: var(--itmcolor);
    background: linear-gradient(#acc9ff, #3e5bff);
    border-radius: 10px;
    border: 2px solid #01001a;
    min-width: 150px;
    margin-right: 40%;
    padding-right: 30px;
    box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
    z-index: 2000;
    visibility: hidden;
    transition: all 0.3s ease;
}
.repository_menu li a{
    text-decoration: none;
    color: black;
    padding-bottom: 20px;
    font-family: stn-blod;
    display: block; 
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
}
.repository_menu li a:hover{
    background-color: #afadf7f5;
}
.repository_menu li:last-child a {
    border-bottom: none;
}
.repository:hover .repository_menu{
    visibility: visible;
}
.repository_menu:hover{
    visibility: visible;
}


.describe{
    width: 85%;
    height: auto;
    background-color: var(--dsccolor);
    border: 2px solid rgb(0, 0, 0);
    color: rgb(0, 0, 0);
    margin: 13px auto;
    justify-content: center;
    align-items: center;
    border-radius: 10px;
    padding-right: 50px;
    display: flex;         
    flex-direction: column; 
    justify-content: center; 
}
.describe-text{
    font-family: stn-blod;
    font-size: 20px;
    margin-bottom: 50px;
}
.describe-text-en{
    font-family: chrift-en;
    font-size: 20px;
    direction: ltr;
    margin-bottom: 50px;
}
.describe-text-en li{
    direction: ltr;    
}
.abvand-picture{
    width: 65%;
    height: 580px;
    background-image: url(../../image/abvand.jpg);
    background-size: 100% 100%;
    border-radius: 20px;
    margin-bottom: 50px;
}
#describe-title{
     font-family: stn-blod;   
     font-size: 30px;
}

footer{
    width: 100%;
    height: 300px;
    background-color: #272727;
    border-top: 3px solid #3e5bff;
}
footer .footer-fa{
    font-family: mj-casa;
    font-size: 20px;
    color:white;
}
footer .footer-en{
    font-family: chrift-en;
    font-size: 20px;
    color:white;
    direction: ltr; 
}
footer .footer-txt{
    font-size: 20px;
    color:white; 
}

@media only screen and (max-width:1330px) {
    .home{
    margin-right: 30%;
    }
}

@media only screen and (max-width:1158px) {
    .home{
    margin-right: 10%;
    }
}

@media only screen and (max-width:910px) {
    .home{
    margin-right: 0%;
    }
}

@media only screen and (max-width:692px) {
    .home{
    margin-right: -70px;
    }
}

@media only screen and (max-width:542px) {
    .home{
    margin-right: -90px;
    }
}
@media only screen and (max-width:1134px) {
    .describe-text{
       font-size: 18px;
    }
    .describe-text-en{
       font-size: 18px;
    }
}
@media only screen and (max-width:975px) {
    .describe-text{
       font-size: 17px;
    }
    .describe-text-en{
       font-size: 17px;
    }
}
@media only screen and (max-width:800px) {
    .describe-text{
       font-size: 15px;
    }
    .describe-text-en{
       font-size: 15px;
    }
    .navbar{
        height: 60px;
        font-size: 20px;
    }
    .quadcopter-window{
        height: 200px;
    }
    .abvand-window{
        height: 200px;
    }
    footer .footer-fa{
        font-size: 14px;
    }
    footer .footer-en{
        font-size: 14px;
    }
    footer .footer-txt{
        font-size: 14px;
    }
}
@media only screen and (max-width:654px) {
    .describe-text{
       font-size: 13px;
    }
    .describe-text-en{
       font-size: 13px;
    }
    .navbar{
        height: 55px;
        font-size: 15px;
    }
    .quadcopter-window{
        height: 150px;
        font-size: 30px;
    }
    .abvand-window{
        height: 150px;
        font-size: 30px;
    }
    footer .footer-fa{
        font-size: 14px;
    }
    footer .footer-en{
        font-size: 14px;
    }
    footer .footer-txt{
        font-size: 14px;
    }
}
@media only screen and (max-width:483px) {
    .describe-text{
       font-size: 11px;
    }
    .describe-text-en{
       font-size: 11px;
    }
    .navbar{
        height: 50px;
        font-size: 15px;
    }
    .quadcopter-window{
        height: 130px;
        font-size: 25px;
    }
    .abvand-window{
        height: 130px;
        font-size: 25px;
    }
    footer .footer-fa{
        font-size: 13px;
    }
    footer .footer-en{
        font-size: 13px;
    }
    footer .footer-txt{
        font-size: 13px;
    }
    .navbar h4{
        padding-right: 30px;
        padding-left: 30px;
    }
}
@media only screen and (max-width:395px) {
    .describe-text{
       font-size: 10px;
    }
    .describe-text-en{
       font-size: 11px;
    }
    .navbar{
        height: 45px;
        font-size: 10px;
    }
    .navbar h4{
        padding-left: 13px;
    }
    .quadcopter-window{
        height: 130px;
        font-size: 25px;
    }
    .abvand-window{
        height: 130px;
        font-size: 25px;
    }
    footer .footer-fa{
        font-size: 11px;
    }
    footer .footer-en{
        font-size: 11px;
    }
    footer .footer-txt{
        font-size: 11px;
    }
    .home{
    margin-right: 0;
    }
    .navbar h4{
    border-radius: 8px;
    padding-top: 12px;
    padding-bottom: 12px;
    font-family: stn-blod;
    }
    .repository_menu li a{
    padding-bottom: 15px;
    }
    .project_menu li a{
    padding-bottom: 15px;
    }
    .repository_menu{
        margin-right: 53%;
        padding-right: 10px;
    }
    .project_menu{
        padding-right: 10px;
        min-width: 75px;
    }
    header{
        padding-top: 80px;
        height: 130px;
    }
    .describe{
        padding-right: 20px;
    }
    .abvand-picture{
        height: 165px;
    }
}