/* Styles spécifiques pour la page E5 */
:root {
    --header-height: 80px;
    --primary-color: #2d3436;
    --secondary-color: #0984e3;
    --accent-color: #00b894;
    --text-color: #2d3436;
    --bg-color: #f5f5f5;
    --card-bg: #ffffff;
    --gradient-start: #2d3436;
    --gradient-end: #0984e3;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --card-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding-top: var(--header-height);
}

header {
    background-color: rgba(0, 0, 0, 0.9);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    transition: background-color 0.3s ease;
}

header.scrolled {
    background-color: rgba(0, 0, 0, 0.95);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.nav-menu {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-menu a:hover {
    color: var(--secondary-color, #4a90e2);
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-menu a[aria-current="page"] {
    color: var(--secondary-color, #4a90e2);
    background-color: rgba(255, 255, 255, 0.05);
}

/* Hamburger menu */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    margin-left: auto;
}

.hamburger-line {
    display: block;
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 5px 0;
    transition: 0.3s ease;
}

/* Media Queries */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: rgba(0, 0, 0, 0.95);
        padding: 1rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu a {
        width: 100%;
        text-align: center;
        padding: 1rem;
    }

    .hamburger.active .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .hamburger-line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
} 

main {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    width: 100%;
    margin: 2rem auto 0;
}

.e5-section {
    margin-bottom: 2rem;
}

.e5-section h1 {
    margin-bottom: 2rem;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.achievements-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.achievement-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.achievement-details {
    margin-top: 1rem;
}

.button-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 2rem;
}

footer {
    margin-top: auto;
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 1.5rem;
    width: 100%;
}