body {
    width: 100%;
    padding: 0;
    margin: 0;
    background-color: #0F172A;
}

body header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-right: 30px;
    
}

body header nav img {
    padding: 11px 617px 11px 30px;
    width: 73px;
    height: 71px;
}

body header nav ul {
    display: flex;
    gap: 60px;
    list-style: none;
    padding: 0;
}

body header nav ul li a {
    font-family: "courier-new", sans-serif;
    font-size: 16px;
    text-decoration: none;
    font-weight: 700;
    color: #E2E8F0;
}

body header nav a button.contact {
    padding: 21px;
    border-radius: 66px;
    background-color: #0F172A;
    border: 2px solid;
    border-color: #00A19A;
    color: #00A19A;
    font-family: 'Courier New', Courier, monospace;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
}

body main section.presentation {
    display: flex;
    padding: 95px 225px 80px 153px;
    gap: 86px;
    margin-bottom: 29px;
    justify-content: center;
}

body main section.presentation div.textePresentation {
    padding: 18px 40px 100px 40px;
}

.tiret {
  animation: clignote 1s step-end infinite;
}

@keyframes clignote {
  50% { opacity: 0; }
}

body main section.presentation div.textePresentation p.introductionPresentation {
    font-size: 16px;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 700;
    color: #00A19A;
    margin-bottom: 0px;
    margin-top: 0px;
}

body main section.presentation div.textePresentation h1 {
    font-size: 60px;
    font-family: 'Raleway';
    color: #E2E8F0;
    font-weight: 700;
    margin-top: 30px;
    margin-bottom: 0px;

}

body main section.presentation div.textePresentation h1 span {
    font-weight: 600;
}

body main section.presentation div.textePresentation p.paragraphePresentation {
    margin-top: 30px;
    font-size: 16px;
    font-weight: 400;
    color: #E2E8F0;
    font-family: 'Raleway';
    width: 507px;
    height: 114px;
    margin-bottom: 0px;
}

body main section.presentation div.textePresentation p.paragraphePresentation span a {
    text-decoration: none;
    color: #00A19A;
    font-weight: 700;
}

body main section.presentation div.textePresentation button.cv {
    margin-top: 50px;
    background-color: #0F172A;
    border: 2px solid;
    border-color: #00A19A;
    padding: 21px 25px;
    border-radius: 66px;
    color: #00A19A;
    font-weight: 700;
    font-family: 'Courier New', Courier, monospace;
    cursor: pointer;

}

body main section.presentation div.imageMathisLangages img {
    width: 389px;
    height: 415px;
}

body footer {
    display: flex;
    justify-content: space-between;
    border-top: 2px solid;
    border-color: #00A19A;
    padding-top: 35px;
}

body footer div.liens {
    display: flex;
    flex-direction: column;
    padding-left: 193px;
    gap: 32.5px;
}

body footer div.liens h2 {
    margin: 0;
    padding: 0;
    color: #E2E8F0;
    font-family: "Inter", sans-serif;
    font-size: 18px;
    font-weight: 700;
}

body footer div.liens nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

body footer div.liens nav ul li a {
    text-decoration: none;
    font-family: 'Courier New', Courier, monospace;
    font-size: 16px;
    font-weight: 700;
    color: #E2E8F0;
}

body footer div.creditsFooter {
    align-items: center;
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-left: 318px;
    margin-right: 318px;
}

body footer div.creditsFooter img {
    width: 98px;
    height: 95px;
}

body footer div.creditsFooter p.credit {
    color: #E2E8F0;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    font-weight: 700;
    padding: 0;
    margin: 0;
    margin-bottom: 35px;
    width: 202px;
    height: 32px;
    text-align: center;
}

body footer div.reseauxsociaux {
    padding-right: 154px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

body footer div.reseauxsociaux h2 {
    padding: 0;
    margin: 0;
    color: #E2E8F0;
    font-family: "Inter", sans-serif;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 25px;
}

body footer div.reseauxsociaux div.reseaux {
    display: flex;
    gap: 35px;
}

body footer div.reseauxsociaux div.reseaux a {
    text-decoration: none;
}

body footer div.reseauxsociaux div.reseaux a img {
    width: 45px;
    height: 45px;
}

@media screen and (min-width: 769px) {
    body header nav ul li a:hover {
        color: #00A19A;
    }

    body header nav ul li a {
        transition: color 0.5s;
    }

    body header nav a button.contact:hover {
        border: 2px solid #E2E8F0;
        color: #E2E8F0;
    }

    body header nav a button.contact {
        transition: border 0.5s,color 0.5s;
    }

    body main section.presentation div.textePresentation p.paragraphePresentation span a:hover {
        text-decoration: underline;
    }

    body main section.presentation div.textePresentation p.paragraphePresentation span a {
        transition: text-decoration;
    }

    body main section.presentation div.textePresentation button.cv:hover {
        color: #E2E8F0;
        border: 2px solid #E2E8F0;
    }

    body main section.presentation div.textePresentation button.cv {
        transition: color 0.5s,border 0.5s;
    }

    body footer div.liens nav ul li a:hover {
        color: #00A19A;
    }

    body footer div.liens nav ul li a {
        transition: color 0.5s;
    }

    body footer div.reseauxsociaux div.reseaux a img:hover {
        transform: scale(1.1);
    }

    body footer div.reseauxsociaux div.reseaux a img {
        transition: transform 0.3s;
    }
}

@media screen and (max-width: 1024px) {
    body header nav {
        margin-right: 15px;
    }

    body header nav img {
        padding: 11px 100px 11px 30px;
    }

    body header nav ul li a {
        font-size: 14px;
    }

    body header nav a button.contact {
        font-size: 14px;
    }

    body main section.presentation {
        gap: 50px;
        flex-direction: column;
        padding: 95px 15px 80px 100px;
        margin-bottom: 0px;
    }

    body main section.presentation div.textePresentation p.introductionPresentation {
        font-size: 14px;
    }

    body main section.presentation div.textePresentation {
        padding: 18px 0px 50px 0px;
    }


    body main section.presentation div.textePresentation h1 {
        font-size: 40px;
    }

    body main section.presentation div.textePresentation p.paragraphePresentation {
        font-size: 14px;
    }

    body main section.presentation div.textePresentation button.cv {
        font-size: 14px;
        margin-top: 30px;
    }

    body main section.presentation div.imageMathisLangages img {
        width: 280px;
        height: auto;
    }

    body footer {
        flex-direction: column;
        padding-left: 100px;
    }

    body footer div.liens {
        padding-left: 0px;
    }

    body footer div.liens h2 {
        font-size: 16px;
    }

    body footer div.liens nav ul li a {
        font-size: 14px;
    }

    body footer div.creditsFooter {
        margin-left: 0px;
        margin-right: 0px;
        align-items: center;
        margin-top: 30px;
        flex-direction: row;
        margin-bottom: 30px;
    }

    body footer div.creditsFooter img {
        width: 75px;
        height: auto;
    }


    body footer div.creditsFooter p.credit {
        font-size: 12px;
        margin-bottom: 0px;
        height: auto;
    }

    body footer div.reseauxsociaux {
        padding-right: 0px;
        align-items: start;
    }

    body footer div.reseauxsociaux h2 {
        font-size: 16px;
    }

    body footer div.reseauxsociaux div.reseaux {
        flex-direction: column;
        gap: 25px;
        margin-bottom: 35px;
    }

    body footer div.reseauxsociaux div.reseaux a img {
        width: 35px;
        height: 35px;
    }

}

@media screen and (max-width: 480px) {

    body header nav {
        flex-direction: column;
        margin-right: 0px;
        align-items: start;
        padding-left: 30px;
    }

    body header nav img {
        padding: 10px 0px 30px 0px;
    }

    body header nav ul {
        flex-direction: column;
        gap: 30px;
        margin: 0px;
        margin-bottom: 30px;
    }

    body header nav ul li a {
        font-size: 12px;
    }

    body header nav a button.contact {
        font-size: 12px;
    }

    body main section.presentation {
        padding: 100px 30px;
        align-items: center;
        flex-direction: column-reverse;
    }

    body main section.presentation div.textePresentation {
        padding: 0px;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    body main section.presentation div.textePresentation p.introductionPresentation {
        font-size: 12px;
        text-align: center;
    }

    body main section.presentation div.textePresentation h1 {
        font-size: 30px;
        text-align: center;
    }

    body main section.presentation div.textePresentation p.paragraphePresentation {
        font-size: 12px;
        width: 100%;
        text-align: center;
    }

    body main section.presentation div.textePresentation button.cv {
        font-size: 12px;
        text-align: center;
    }

    body main section.presentation div.imageMathisLangages img {
        width: 200px;
        height: auto;
    }

    body footer {
        padding-left: 30px;
    }

    body footer div.liens h2 {
        font-size: 14px;
    }

    body footer div.liens nav ul li a {
        font-size: 12px;
    }

    body footer div.creditsFooter {
        flex-direction: row;
        
    }

    body footer div.creditsFooter img {
        width: 55px;
        height: auto;
    }


    body footer div.creditsFooter p.credit {
        font-size: 10px;
        height: auto;
    }

    body footer div.reseauxsociaux h2 {
        font-size: 14px;
    }

    body footer div.reseauxsociaux div.reseaux a img {
        width: 28px;
        height: 28px;
    }

}