body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            margin: 20px;
    padding: 20px;
     min-height: 100vh;
   background: #001449 linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.2) 25%, rgba(255, 255, 255, 0.2) 75%, rgba(255, 255, 255, 0) 100%);
    background-size: 100% 100%;
    background-attachment: fixed;
    color: white;
    font-style: italic;
    font-weight: bold;
    gap: 20px;

}
  

.container{
    text-align:center;
}

/* Conteneur du titre */
.container_titre {
    text-align: center;
    padding: 30px 0;

}

.text {
    display: inline-block;
    text-align: center;
}

.titremenu {
    font-size: 1.8em;
    
    margin-top: 10px;
}

.imagebouton {
    width: 120px;
    height: auto;
}

/* Ligne décorative */
p img {
    max-width: 100%;
    height: auto;
}

/* Header et navigation */
header {

    color: white;
    padding: 20px 0;
    text-align: center;
}

.container h1,header h1 {
    font-size: 2.5em;
    align:center;
    color:#6FF;
}

section h2, .container h2{
  font-size: 1.1em;
    margin: 0;
    padding: 0;
    color:#6FF;
        font-style: italic;
           font-weight: bold;
           align:center;
}
section h3,.container h3{
  font-size: 1em;
    margin: 0;
    padding: 0;
    color:#6FF;
    align:center;
}
.container h4,h5,h6{
    color:white;
    align:center;
}
section p, .container p{
    color:white;
        font-style: italic;
           font-weight: bold;
           align:center;
}


.scroll-btn, .scroll-btn2 {
    position: fixed;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: yellow;
    color: black;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    font-size: 32px;
    font-weight: bold;
    z-index: 999;
}

.scroll-btn::before, .scroll-btn2::before {
    content: '↑';
}

.scroll-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.3);
}

.scroll-btn:hover::before, .scroll-btn2:hover::before {
    color: #003366;
}

.scroll-up {
    top: 10px;
    left: 10px;
}

.scroll-down {
    top: 10px;
    right: 10px;
}

.rotate-down {
    transform: rotate(180deg);
    transition: transform 0.3s ease-in-out;
}

.rotate-up {
    transform: rotate(0deg);
    transition: transform 0.3s ease-in-out;
}

a {
    display: inline-block;
    text-decoration: none;
    font-size: 16px;
    color: white !important;
    padding: 0px;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    margin: 0;
    transition: all 0.4s ease;
    animation: subtleFade 8s infinite ease-in-out;
    align:center;
}

a:hover {
    color: #87CEEB !important;
    transform: scale(1.05);
}

a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: #555;
    transition: width 0.4s ease;
}

a:hover::after {
    width: 100%;
}

@keyframes subtleFade {
    0%, 50%, 100% {
        color: white !important;
    }
}

.subMenu {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    margin: 0px;
    color: white;
    font-family: Georgia, serif;
    font-style: italic;
    font-weight: bold;
}

.subMenu li {
    position: relative;
    margin: 3px;
}

.subMenu li a {
    color: white;
     text-transform: uppercase;
    font-weight: 600;
    text-decoration: none;

}

.subMenu li a:hover,
.subMenu li a.active {
    color: #87CEEB !important;
}

.navigation {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    background-color: rgba(0, 31, 63, 0.9);
    padding: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.navigation i {
    color: yellow;
    margin-right: 5px;
}

.header {
    text-align: center;
    margin-bottom: 0;
}

.header p {
    font-size: 12px;
    color: yellow;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin: 0;
}

.entetetitre {
    color: yellow;
    text-align: center;
    font-size: 32px;
    font-family: Courier, sans-serif;
}

nav {
    width: 100%;
   
    text-align: center;
}

nav ul {
    
    text-align: center;
    padding: 0;
    margin: 0;
}

nav ul li {
    display: inline-block;
}

nav ul li a {
    padding: 0px;
    margin: 0;
    font-family: Georgia, serif;
    color: #87CEEB !important;
    font-weight: bold;
    font-size: 14px;
    font-style: italic;
    text-decoration: none;
    text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.4);
}

nav ul li a:hover {
    font-size: 14px;
    color: #87CEEB !important;
}

.white {
    color: white;
}

.clear {
    clear: both;
}

.Ciel {
    color: #6FF;
    font-size: 24px;
    font-family: Georgia, serif;
    font-style: italic;
    font-weight: bold;
}

.ciel {
    color: #6FF;
    font-family: Georgia, serif;
    font-size: 16px;
    font-style: italic;
}

.white, .blanc {
    color: #FFFFFF;
    font-size: 16px;
    font-style: italic;
    font-family: Georgia, serif;
}

.Jaune, .jaune {
    color: #FFFF00;
    font-family: Georgia, serif;
    font-size: 16px;
    font-style: italic;
    font-weight: bold;
}

.JauneTitre {
    color: #FFFF00;
    font-size: 22px;
    font-family: Georgia, serif;
}

.WhiteTitre {
    color: #FFFFFF;
    font-size: 22px;
    font-family: Georgia, serif;
}

.vert {
    font-weight: bold;
    color: green;
    font-family: Georgia, serif;
    font-size: 36px;
    font-style: italic;
}

.red, .rouge {
    color: red;
    font-family: Georgia, serif;
    font-size: 16px;
    font-style: italic;
}

@media (max-width: 768px) {
    .navigation {
        flex-direction: column;
    }
}