@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono&display=swap');

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100vh;
    font-family: 'Roboto', sans-serif;
    background-color: #FFFFFF;
    color: #000000;
    display: flex;
    flex-direction: column;
}

main h1,
main h2,
main p,
main a,
header a,
footer p {
    color: #000000 !important;
}

header {
    padding: 15px 0;
    text-align: left;
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

header nav ul li {
    display: inline-block;
    margin: 0 10px 0 0;
}

header nav ul li:first-child {
    margin-left: 0;
}

header nav ul li a {
    text-decoration: none;
    font-weight: 700;
    font-size: 1em;
}

main {
    flex-grow: 1;
    padding: 20px;
    text-align: left;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 15px;
}

#hero h1 {
    font-size: 2em;
    margin-bottom: 30px;
    text-align: left;
}

.colonnes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 15px;
}

.colonne {
    padding: 15px 15px 15px 0;
    border-radius: 8px;
    text-align: left;
}

.colonne h2 {
    font-size: 1.3em;
    line-height: 1.4;
    margin-bottom: 8px;
}

#contact {
    padding: 30px 0;
    text-align: left;
}

#contact h2 {
    font-size: 1.8em;
    margin-bottom: 15px;
}

#contact p {
    font-size: 1.1em;
    margin-bottom: 15px;
    line-height: 1.6;
}

#contact p a {
    text-decoration: underline;
    display: inline-block;
    line-height: inherit;
    vertical-align: baseline;
    font-family: 'Roboto Mono', monospace;
}

footer {
    padding: 15px 0;
    text-align: left;
    font-size: 0.8em;
}

@media (min-width: 769px) {
    #hero h1 {
        font-size: 2em;
    }
    .colonne h2 {
        font-size: 1.3em;
    }
    header nav ul li {
        margin: 0 10px;
    }
}

@media (max-width: 768px) {
    #hero h1 {
        font-size: 1.8em;
    }
    .colonne h2 {
        font-size: 1.2em;
    }
    header nav ul {
        text-align: left;
    }
    header nav ul li {
        display: block;
        margin: 8px 0;
    }
}

@media (max-width: 1100px) {
    .container {
        padding: 0 20px;
    }
}