*{
    box-sizing: border-box;
    margin: 0;
    padding: 0 0;
    text-decoration: none;
    list-style-type: none;
    font-family: sans-serif;
}


.section1{
    background-color: beige;
    
}
.sec1{
    background: wheat;
    padding: 0 50px 20px 50px;
    border-bottom-left-radius: 100px;
}


#logo{
    width: 110px;
}
header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 80px;
}

.nav ul{
    display: flex;
}

.nav-link{
    color: black;
    padding: 7px 12px;
    margin-right: 15px;
    transition: 0.3s ease-in-out;
}

.nav-link:hover{
    color: #ed1c24;
}

.nav-link.present{
    color: #ed1c24;
}


section{
    display: flex;
    align-items: center;
}

h1{
    font-size: 60px;
}

#picture{
    width: 500px;
}

span{
    color: #00a99d;
}

.fleche{
    width: 20px;
    margin-right: 10px;
}

.ange{
    display: flex;
    font-weight: 400;
    font-size: 20px;
    align-items: center;
    margin-bottom: 15px;
}


.button {
    position: relative;
    padding: 7px 10px;
    border-radius: 50px;
    border: none;
    background-color: rgb(0, 169, 157);
    color: white;
    margin-top: 20px;
    transition: 0.3s ease;
    z-index: 1;
}

.button:hover{
    background: white;
    color: #00a99d;
}

.button::before{
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 200%;
    height: 200%;
    background: rgba(0, 169, 157, 0.50);
    border-radius: 50px;
    transform: translate(-50%, 50%) scale(0);
    animation: pulse 2s infinite;
    z-index: 0;
}


@keyframes pulse {
    0%{
        transform: translate(-50%, -50%) scale(0.5);
        opacity: 0.7;
    }
    70%{
        transform: translate(-50%, -50%) scale(0.75);
        opacity: 0.2;
    }
    100%{
        transform: translate(-50%, -50%) scale(0.85);
        opacity: 0;
    }
}

.section2{
    background-color: wheat;
}

.sec2{
    background: beige;
    padding: 30px 50px;
    border-top-right-radius: 100px;
    border-bottom: 4px solid #00a99d;
    
    line-height: 6mm;
}

/**********************Countdown*********************/
#countdown-container{
    margin: 20px 0 15px 0;
}
#countdown{
    font-size: 1.5em;
    font-weight: bold;
}

.title{
    display: flex;
    font-weight: bold;
    font-size: 25px;
    color: #00a99d;
    justify-content: center;
    align-items: center;
}

.elements{
    display: flex;
    align-items: center;
    margin: 20px 0 30px 0;
    justify-content: space-between;
}

.elements .p{
    text-align: left;
}
.elements img{
    width: 400px;
    margin-right: 50px;
}



.infos{
    display: flex;
    justify-content: space-between;
}

.titles{
    display: flex;
    font-weight: bold;
    font-size: 25px;
    color: #00a99d;
    justify-content: left;
    margin: 20px 0;
    align-items: center;
}

.cercle{
    width: 15px;
    height: 15px;
    background-color:#ed1c24;
    border-radius: 50px;
    margin-right: 15px;
}

.projet{
    width: 45%;
}

.section3{
    background-color: #191b20;
    color: white;
    padding: 30px 0 70px 0;
}

.docu{
    justify-items: center;
    text-align: center;
    
}

.docu p{
    font-weight: bold;
    font-size: 25px;
}

.docu-btn{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.fleche-bas{
    transform: rotate(90deg);
    width: 50px;
}

.contact{
    margin-top: 50px;
}

.card{
    background-color: transparent;
    border: 2px solid #00a99d;
    border-radius: 12px;
    width: 100px;
    height: 100px;
    margin-right: 15px;
    
}

.cards{
    display: flex;
    justify-content: center;
   margin-top: 20px;
}



footer{
    width: 100%;
    height: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 50px;
    background-color: white;
}

.lines{
    display: none;
}

.line{
    width: 30px;
    height: 3px;
    background-color: #ed1c24;
    margin-bottom: 5px;
    border-radius: 50px;
}

#middle-line{
    margin-left: 5px;
}

.card a p{
    color: white;
    text-align: center;
}


/********************RESPONSIVENESS*******************************/
/*****************************************************************/

@media  screen and (max-width: 800px){
    .nav{
        display: none;
        position: absolute;
        width: 100%;
        background-color: rgba(0, 0, 0, 0.10);
        border-radius: 12px;
        backdrop-filter: blur(20px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        padding: 100px 0;
        top: 0;
        transition: 0.3s ease;
        
    }

    .active{
        display: block;
    }

    .nav ul{
        display: block;
    }

    ul li{
        margin-bottom: 40px;
    }

    .nav-link{
        background-color: #00a99d;
        color: white;
        border-radius: 50px;
    }

    .nav-link:hover{
        background-color: white;
        color: #00a99d;
    }

    .nav-link.present{
        color: white;
    }

    .lines{
        display: block;
        z-index: 100;
    }

    body{
        padding: 0 0px;
        text-align: center;
    }

    .sec1{
        padding: 0 10px 20px 10px;
    }

    .sec2{
        padding: 30px 10px;
    }

    section{
        flex-direction: column;
        justify-content: center;
    }

    h1{
        font-size: 40px;
    }

    .ange{
        justify-content: center;
        margin-top: 5px;
    }
    #picture{
        width: 300px;
        margin-top: 15px;
    }

    .elements{
        flex-direction: column-reverse;
    }

    .elements img{
        width: 300px;
        padding-top: 30px;
    }
    
    .elements p{
        width: 100%;
        margin-top: 10px;
    }

    .infos{
        display: block;
    }

    .projet{
        width: 100%;
        
    }

    footer{
        padding: 0 5px;
        font-size: 12px;
    }
}