:root {
    /* Palette de couleurs */
    --color-primary: #0149ad;
    --color-primary-dark: #376fbd;
    --color-text: #1f2a40;
    --color-text-light: #4c5c78;
    --color-text-footer: #9db2d1;
    --color-text-muted: #b7c6dd;
    --color-background: #f4f8fc;
    --color-white: #ffffff;
    --color-border: #dce6f4;
    --color-dark: #0e1e3a;
    --color-dark-lighter: #bdd0e9;
    --color-dark-border: #2e3e5c;
    --color-blue: #007bff;
    --color-gray-light: #e9f0fa;



    /* Ombres */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 3px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 10px 10px 30px rgba(0, 0, 0, 0.3);

    --spacing-xl: 2rem;
    --border-radius-lg: 8px;
    --spacing-lg: 1.5rem;
    --spacing-md: 1rem;
}

a {
    text-decoration: none;
    color: var(--color-blue);
}

/* Header styles */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

/* .top-bar {
    background-color: var(--color-dark);
} */

.top-bar {
    background-color: #004aad;
}

.top-bar .top-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
}

.logo span {
    color: var(--color-text);
}

.signup-btn {
    background-color: var(--color-white) !important;
    color: var(--color-primary) !important;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.signup-btn:hover {
    background-color: var(--color-primary-dark);
}

/* Navigation */
.nav-container {
    background-color: var(--color-dark);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    position: relative;
}

nav ul li a {
    display: block;
    padding: 15px;
    color: var(--color-dark-lighter);
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--color-white);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 38px;
    cursor: pointer;
    color: #fff;
}

.active {
    color: var(--color-white) !important;
    font-weight: bold;
}

.mameApp {
    color: #fff;
    font-size: 18px;
    font-weight: bold;
}

.btnconnexion {
    display: none;
}

/* Header  Media Queries */

@media (max-width: 768px) {
    .top-bar .top-item {
        /* padding: 15px 0; */
        display: flex;
        flex-direction: row;
    }

    .menu-toggle {
        display: block;
    }

    /* .nav-container {
        position: relative;
        background-color: var(--color-primary);
    } */

    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        box-shadow: 0 5px 5px rgba(0, 0, 0, 0.1);
    }

    nav ul.show {
        display: flex;
    }

    .active {
        color: var(--color-blue) !important;
        font-weight: bold;
    }

    nav ul li a {
        color: var(--color-dark);
    }

    nav ul li a:hover {
        color: var(--color-blue);
    }

    .social_network {
        display: none !important;
    }

    .btnconnexion {
        display: block;
    }
}