body{
    margin: 0;
}    

header {
    height: 100vh;
    background-image: url(../images/font001_mars.png);
    width: 100%;
    background-position: center;
}
#logo img {
    height: 50px;
    margin-left:  20px;
    margin-top: 20px;
}

#more {
    margin-top:25px;
    margin-right:40px;
    color: #ffff;
    font-family: Roboto;
    font-weight: bold;
    font-size: 18px;
    text-decoration: none;
}
#more:hover {
    color: #eb5922;

}

nav {
    display: flex;
    justify-content: space-between;
    padding-top: 20px;
    padding-left: 20px;
    padding-right: 20px;
   
}
.container {
    text-align: center;
    height: auto;
}

.gradient {
    margin-top: -11px;
    margin-bottom: 20px;
    font-size: 10rem;
    font-family: Roboto;
    font-weight: bold;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    background-image: linear-gradient(to top, #eb5922 35%, #ffff 75%);
}    

#title p {
    margin-top: 66px;
    font-family: Roboto;
    font-size: 37px;
}

#explore {
    
    margin-bottom: 10px;
    font-family: Roboto;
    font-size: 25px;
    color: #ffff;
    text-decoration: none;
}

main {
    background-color: #070707;

}
h2 {
    margin-top: 0px;
    margin-left: 60px;
    padding-top: 120px;
    font-family: Roboto;
    font-weight: bold;
    font-size: 60px;
    color: #eb5922;

}
#system p {
    padding-top: 40px;
    margin-left: 60px;
    font-family: Roboto;
    font-size: 20px;
    color: #ffff;
}

#images {
    display: flex;
    justify-content: space-evenly;
    margin-top: 100px;
    margin-bottom: 4px;
}

h2 {
    margin-top: 0px;
    margin-left: 60px;
    padding-top: 120px;
    font-family: Roboto;
    font-weight: bold;
    font-size: 60px;
    color: #eb5922;
}
.expect {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    margin-top: 50px;
    margin-left: 60px;
    padding-bottom: 100px;
}

h3 {
    font-size: 72px;
    font-family: Roboto;
    color: #ffff;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    background-image: linear-gradient(to bottom, #ffff, #eb5922);
}

h4 {
    font-size: 36px;
    font-family: Roboto;
    color: #ffff;
}

 #trois p {
    font-size: 30px;
    font-family: Roboto;
    color: #ffff;
    margin-top: -21px;
    text-align: center;
 }

.ingenuity {
    margin-top: -72px;
    height: 100vh;
    background-image: url(../images/ingenuity_1.png);
    background-size: cover;
}

#robot {
    text-align: center;
}

#robot p {
    
    font-size: 72px;
    font-family: Roboto;
    color: #ffff;
    text-shadow: 3px 3px #070707;
    padding-top: 60vh;
    padding-bottom: 1vh;
}

.button {
    background-color: #070707;
    font-size: 20px;
    border-radius: 5px;
    border: none;
    color: #ffff;
    padding: 10px 50px;
    text-align: center;
    text-decoration: none;
    margin-top: 40;
    cursor: pointer;
}

#fin {
    height: 60px;
    background-color: #070707;
    background-size: cover;
    }

#fin {
    margin-top: 69px;
    padding-top: 20px;
    font-size: 12px;
    font-family: roboto;
    color: #ffff;
    text-decoration: none;
    text-align: center;
}
#fin a {
    font-size: 12px;
    font-family: roboto;
    color: #ffff;
    text-decoration: none;
    text-align: center;
}