body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;    
    position: relative;
    min-height: 100%; /* Garantir que le body prend toute la hauteur de la fenêtre */
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(0, 0, 0, 1), rgba(36, 0, 134, 1));
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: -1; /* L'image de fond sera derrière le contenu */
}

header {
    text-align: center;
    background-color: #00509e;
    color: white;
    padding: 20px;
}

header h1 {
    font-size: 2.5em;
    margin: 0;
}

header p {
    font-size: 1.2em;
    margin: 5px 0;
}

main {
    padding: 20px;
}

.intro-z {
    position: relative;
    display: flex;
    flex-direction: row;
    margin-bottom: 5vh;
    margin-left: 5%;
    margin-right: 5%;
}
.intro-z h2{
    color: white;
    font-size: 4em;
}
.intro-z p {
    color: white;
    font-size: 2em;
}

#intro1 {
    max-width: 60vw;
    margin: 5em;
    margin-left: 0;
}
#intro2 {
    position: absolute;
    right: 0;
    margin-top:5em;
    margin-right: 0;
    min-width: 20%;
    max-width: 25vw;
    display: flex;
    align-items: center;
    height: 80%;
}
#intro2 img {
    /* min-width: 25vw; */
}

section {
    margin-bottom: 40px;
    margin-left: 5%;
    margin-right: 5%;
    padding: 20px;
    background-image: linear-gradient(rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.5));
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    animation: fadeIn 1s ease-in-out;
}

section h2 {
    color: #00509e;
}

ul {
    list-style-type: square;
    margin-left: 20px;
}

img {
    width: 100%;
    max-width: 500px;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #00509e;
    color: white;
}

/* section infos */

.features {
    display:flex;
    flex-direction: column;
}

.func-haut {
    display: flex;
    flex-direction: column;
    align-content: center;
    margin: auto;
    margin-bottom: 2em;
}
.func-haut h2 {
    font-size: 2.5em;
    font-weight: bold;
    align-self: center;
    margin-bottom: 0;
}
.func-haut p {
    font-size: 1.5em;
    align-self: center;
}
.func-bas {
    display: flex;
    flex-direction: row;
    min-width: 50%;
}
.txt {
    min-width: 60%;
    margin-left: calc(5% - 20px);
    margin-right: calc(5% - 20px);
}
.txt h3 {
    font-size: 2.5em;
}
.txt p {
    font-size: 1.2em;
}
.imag {
    min-width: 20%;
    margin-left: calc(5% - 20px);
    margin-right: calc(5% - 20px);
}
.func-bas img {
    max-width: 20em;
}

/* section techno */

.tech {
    display:flex;
    flex-direction: column;
}

.tech-haut {
    display: flex;
    flex-direction: column;
    align-content: center;
    margin: auto;
    margin-bottom: 2em;
}
.tech-haut h2 {
    font-size: 2.5em;
    font-weight: bold;
    align-self: center;
    margin-bottom: 0;
}
.tech-haut p {
    font-size: 1.5em;
    align-self: center;
}
.tech-haut a {
    font-size: 2em;
    align-self: center;
}
.tech-bas {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
.tech-bas img {
    max-height: 10em;
    max-width: 10em;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}