@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap');

*{
    margin: 0;
    padding: 0;
    font-family: "Roboto", sans-serif;
    box-sizing: border-box;
}

html{
    scroll-behavior: smooth;
}

body{
    background: white;
    color: gray;
}

/* -----header----- */

#header{
    width: 100%;
    height: auto;
    background-image: linear-gradient(to bottom, transparent, white), url(images/padrao_background.png);
    background-size: cover;
    background-position: center;
}

.container{
    padding: 10px 10%;
}

nav{
    margin-top: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.logo{
    width: 140px;
    animation: fadeIn 2s;
}

nav ul li{
    display: inline-block;
    list-style: none;
    margin: 10px 20px;
}

nav ul li a{
    color: gray;
    text-decoration: none;
    font-size: 18px;
    position: relative;
    animation: fadeIn 3s;
}

nav ul li a::after{
    content: '';
    width: 0;
    height: 3px;
    background: gray;
    position: absolute;
    left: 0;
    bottom: -6px;
    transition: 0.5s;
}

nav ul li a:hover::after{
    width: 100%;
}

@keyframes fadeIn{
    0% {opacity: 0;}
    100% {opacity: 1;}
}

.language{
    padding: 5px;
    margin-bottom:50px;
    font-size: 14px;
    text-decoration: none;
    font-family: 'Roboto', sans-serif;
    color: gray;
    border-width: thin;
    border-style: dashed;
    border-color: gray;
    transition: 0.5s;
    animation: fadeIn 5s;
}

.language:hover{
    color: black;
    border-color: black;
    border-radius: 5px;
}

/* -----about project----- */

.about-projetct{
    padding: 80px 0;
    color: black;
}

.about-text{
    padding-top: 20px;
    padding-right: 75%;
    font-size: 16px;
    font-family: 'Roboto light', sans-serif;
    color: gray;
    text-indent: 15px;
    animation: fadeIn 5s;
}

.link{
    margin-top: 20px;
}

.about-text-link{
    font-size: 16px;
    font-family: 'Roboto light', sans-serif;
    color: #124d75;
    text-decoration: none;
    animation: fadeIn 7s;
}

.sub-title{
    font-size: 45px;
    font-family: 'Roboto light', sans-serif;
    color: black;
    animation: fadeIn 3s;
}

/* -----footer----- */

.footer{
    text-align: center;
}

.copyright{
    width: 100%;
    padding: 20px 0;
    font-size: 14px;
}

/* -----small screen css----- */

nav .fa-solid{
    display: none;
}

@media only screen and (max-width: 600px){
    #header{
        background-image: linear-gradient(to bottom, transparent, white), url(images/padrao_background_16-9.png);
    }
    .header-text{
        margin-top: 100%;
        font-size: 16px;
    }
    .header-text h1{
        font-size: 30px;
    }
    nav .fa-solid{
        display: block;
        font-size: 16px;
        cursor: pointer;
    }
    nav ul{
        position: fixed;
        background: white;
        border-left-width: thin;
        border-left-style: dashed;
        border-left-color: black;
        top: 0;
        right: -200px;
        width: 200px;
        height: 100vh;
        padding-top: 50px;
        z-index: 2;
        transition: right 0.5s;
    }
    nav ul li{
        display: block;
        margin: 25px;
    }
    nav ul .fa-solid{
        position: absolute;
        top: 25px;
        left: 25px;
    }
    .sub-title{
        font-size: 30px;
    }
    .about-text{
        font-size: 14px;
        padding-right: 0;
    }
    .about-text-link{
        font-size: 14px;
    } 

    .copyright{
        font-size: 14px;
    }
}