:root {
    /* 🎨 Couleurs principales */
    --primary-color: #42cd17;
    --secondary-color: #77c4ef;
    --accent-color: #4856ea;

    /* 🎨 Couleurs du texte */
    --text-color: #333;
    --text-light: #f5f5f5;

    /* 🌗 Mode sombre */
    --bg-light: #ffffff;
    --bg-dark: #121212;
    --bg-card: #1e1e1e;

    /* ✍️ Polices */
    --font-titre:  'Climate Crisis', sans-serif;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
}

.presentation h1{
    font-family: var(--font-titre);
    font-size: 50px;
    color:var(--text-light);
    text-align: left;
}
.presentation p{
    text-align: left;
}

.filter-switch {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: left;
    margin: 20px 0;
    font-size: 18px;
    font-weight: bold;
    color: var(--text-light);
}

/* Switch Style */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 25px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 25px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 3.5px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

.margin-top{
    margin-top: 100px;
}
.margin-bottom{
    margin-bottom: 100px;
}
.img-realisations{
    object-fit: contain !important;
}
.div-btn{
    display: flex;
    flex-direction: row;
    gap: 20px;
}
@media (max-width: 768px) {
    .margin-top{
        margin-top: 0px;
    }
    .margin-bottom{
        margin-bottom: 0px;
    }
    .presentation h1{
        font-size: 25px;
    }
    .presentation p{
        font-size: 16px;
    }
    .container-realisations{
        padding: 50px 0;
    }
}