main {
    margin: 0 2rem;
}

h1 {
    border-bottom: 1px solid var(--gris-fonce);
    margin: 55px 3rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    width: 90%;
    margin: 0 auto 1em;
    display: block;
    padding: 0.75em 1em;
    border: none;
    border-radius: 4px;
    background-color: var(--gris-clair);
    color: var(--gris-fonce);
    font-size: 1rem;
    margin-bottom: 1em;
    font-family: 'Roboto', sans-serif;
}

.button1 {
    background-color: var(--turquoise);
    color: black;
    padding: 16px;
    border-radius: 5px;
    border: none;
    text-decoration: none;
    width: 70%;
    display: block;
    margin: 0 auto;
    font-size: 1rem;
}

.button1:hover {
    transition: color 0.3s;
    color: var(--blanc);
}

input:focus,
textarea:focus {
    outline: none;
    border: 2px solid var(--turquoise);
}

input::placeholder,
textarea::placeholder {
    color: var(--gris-fonce);
    opacity: 0.7;
}

textarea {
    min-height: 150px;
}


main img {
    width: 5rem;
    margin: 10px;
}

iframe {
    width: 100%;
    height: 300px;
    border: none;
    border-radius: 6px;
    margin-top: 1em;
}

main>article {
    display: flex;
    justify-content: space-evenly;
}

.popup {
    display: none;
    /* Caché par défaut */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    /* Fond semi-transparent */
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.popup-content {
    background: white;
    padding: 20px 30px;
    border-radius: 10px;
    text-align: center;
    max-width: 300px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
}

.popup-content p {
    margin-bottom: 15px;
    font-size: 16px;
}


@media screen and (min-width: 768px) {
    main {
        max-width: 70rem;
        display: flex;
        flex-direction: column;
        margin: auto;
    }
}