/* Styles globaux */
*
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body
{
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

/* Navigation */
header
{
    width: 100%;
    height: 40px;
    padding-top: 10px;

    display: flex;
    justify-content: space-between;
}

.nav
{
    width: calc(100% - 40px);
    margin: 0 auto;
    height: 80px;

    display: flex;
    justify-content: space-evenly;
    align-items: center;

    border-bottom: 2px solid #ccc;
}

.logo>img
{
    height: 70px;
    width: auto;
}

.menu
{
    display: flex;
    justify-content: center;
    align-items: center;
    list-style: none;

    gap: 80px;
    margin: 0 auto;
    padding: 0;
    flex-grow: 1;
}

.button
{
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 20px;
    padding: 20px 60px;
    margin: 0 15px;
    border-radius: 8px;
    transition: background-color 0.3s;
}

.button:hover
{
    background-color: #e0e0e0;
}

.lang-switch
{
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 18px;
    padding: 12px 20px;
    border: 2px solid #333;
    border-radius: 6px;
    transition: all 0.3s ease;
    margin-left: auto;
}

.lang-switch:hover
{
    background-color: #333;
    color: #fff;
}

/* Section principale */
.page
{
    width: 100%;
    height: calc(100vh - 60px);

    display: flex;
    justify-content: center;
    align-items: center;
}

.zone-contenu
{
    width: 80%;
    height: 70%;

    background-color: #fff;
    border-radius: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);

    display: flex;
    justify-content: center;
    flex-basis: auto;
    align-items: center;
    flex-direction: row;
    flex-wrap: wrap;
}

.presentation
{
    width: auto;
    height: auto;

    text-align: center;
}

.presentation h1
{
    font-size: 3.5rem;
    color: #333;
    font-weight: 300;
}

.presentation p
{
    font-size: 1.8rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

/* Footer */
.footer
{
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 40px;
}