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

body {
    font-family: Arial, sans-serif;
    background-color: #2F3C7E;
}

header {
    background-color: #4f73c3;
    text-align: center;
    padding: 10px 0;
    position: relative;
    width: 100%;
}

.logo {
    width: 50px;
    display: block;
    margin: 0 auto;
}

h1 {
    font-size: 18px;
    font-weight: bold;
    color: #000;
    margin: 10px 10px 0 10px;
    font-family: roboto, serif;
}

.menu-btn {
    position: absolute;
    left: 15px;
    top: 20px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 20px;
}

.menu-btn span {
    display: block;
    height: 3px;
    width: 25px;
    background: black;
    border-radius: 2px;
}

@media (max-width: 355px) {
    header {
        padding: 8px 0;
    }

    .logo {
        width: 40px;
    }

    h1 {
        font-size: 16px;
    }

    .menu-btn {
        left: 10px;
        top: 18px;
        height: 18px;
    }

    .menu-btn span {
        width: 20px;
        height: 3px;
    }
}


.menu {
    position: fixed;
    top: 56%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 110%;
    background: #ffffff;
    color: black;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 4px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease;
    z-index: 999;
}

.menu.active {
    opacity: 1;
    visibility: visible;
}

.menu ul {
    list-style: disc;
    text-align: center;
}

.menu ul li {
    margin: 15px 0;
    font-size: 22px;
    cursor: pointer;
}

.menu ul li:hover {
    color: #00bcd4;
}

.close-btn {
    position: absolute;
    top: 15px;
    left: 20px;
    font-size: 28px;
    cursor: pointer;
    color: black;
    transition: 0.3s;
}

.close-btn:hover {
    color: #00bcd4;
}

.menu-logo {
    width: 60px;
    display: block;
    margin-bottom: 30px;
}

.menu-box {
    font-size: 48px;
    font-family: merriweather, serif;
    width: 100%;
    margin: 10px 0;
    padding: 0.5rem;
    text-align: center;
}

.accueil {
    background-color: #a7a9b7;
}

.normal {
    background-color: #E5E6EA;
}

footer {
    background-color: #4f73c3;
    font-size: 18px;
    color: black;
    font-family: roboto, serif;
    text-align: center;
    padding: 50px 0;

    display: flex;
    justify-content: center;
    gap: 40px;
}

footer a {
    color: black;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

p {
    margin: 10px 10px 0 10px;
    font-size: 18px;
    font-family: roboto, serif;
}

a {
    color: black;
    text-decoration: none;
}

ul {
    margin-left: 6px;
    list-style-type: disc;
    font-size: 18px;
    margin-bottom: 40px;
}

.avion-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 18px;
    text-align: left;
    border: 2px solid #2f3c7e;
    margin: 60px 0;
}

.avion-table th,
.avion-table td {
    padding: 10px 12px;
    border: 2px solid #2f3c7e;
}

.avion-table thead tr {
    background-color: #93a7d4;
    color: #000;
    font-weight: bold;
}

.avion-table tbody tr {
    background-color: #E5E6EA;
}

.avion-table tbody tr:nth-child(even) {
    background-color: #dcdde1;
}

.grand {
    font-size: 48px;
}