/* Styles pour la navbar responsive */
.navbar {
    width: 100%;
    background-color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    z-index: 100;
    flex: 1;
}

.logo h1 {
    margin: 0;
    font-size: 1.2rem;
    color: #1a3c6e;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #1a3c6e;
}

.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem;
    z-index: 100;
}

.hamburger-box {
    width: 24px;
    height: 20px;
    position: relative;
    display: inline-block;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
    width: 24px;
    height: 2px;
    background-color: #1a3c6e;
    position: absolute;
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger-inner {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger-inner::before,
.hamburger-inner::after {
    content: '';
    display: block;
}

.hamburger-inner::before {
    top: -8px;
}

.hamburger-inner::after {
    bottom: -8px;
}

/* Animation du hamburger */
.hamburger.active .hamburger-inner {
    transform: rotate(45deg);
    background-color: #1a3c6e;
}

.hamburger.active .hamburger-inner::before {
    top: 0;
    opacity: 0;
    background-color: #1a3c6e;
}

.hamburger.active .hamburger-inner::after {
    bottom: 0;
    transform: rotate(-90deg);
    background-color: #1a3c6e;
}

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

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 6rem 2rem 2rem;
        transition: transform 0.3s ease;
        box-shadow: -2px 0 10px rgba(0,0,0,0.1);
        z-index: 95;
        gap: 1.5rem;
        transform: translateX(100%);
    }

    .nav-menu.active {
        transform: translateX(0);
        right: 0;
    }

    .nav-menu a {
        display: block;
        font-size: 1.2rem;
        padding: 1rem 0;
        width: 100%;
        text-align: center;
        color: #1a3c6e;
        font-weight: 500;
        border-bottom: 1px solid rgba(26, 60, 110, 0.1);
        transition: all 0.3s ease;
    }

    .nav-menu a:last-child {
        border-bottom: none;
    }

    .nav-menu a:hover {
        background-color: rgba(26, 60, 110, 0.05);
        transform: translateX(5px);
    }

    .nav-menu a.active {
        color: #1a3c6e;
        font-weight: 600;
        background-color: rgba(26, 60, 110, 0.1);
    }

    /* Overlay quand le menu est ouvert */
    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0,0,0,0.5);
        backdrop-filter: blur(3px);
        z-index: 90;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}