/* --- HEADER & NAV --- */
header {
    background: var(--white);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

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

/* Menu Desktop */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    white-space: nowrap;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
}

/* Hamburger (Caché sur Desktop) */
.hamburger {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--primary);
    transition: var(--transition);
}

/* --- FOOTER --- */
footer {
    background: #1a1a1a;
    color: #ccc;
    padding: 50px 0 20px;
    font-size: 0.9rem;
    text-align: center;
}

/* --- RESPONSIVE MENU (MOBILE) --- */
@media (max-width: 992px) {
    /* Afficher le Hamburger */
    .hamburger {
        display: block;
    }

    /* Menu Mobile en mode "Tiroir" */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        justify-content: center;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        transition: 0.4s ease-in-out;
        z-index: 1000;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-links {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 40px;
    }

    .nav-links a {
        font-size: 1.3rem;
    }

    /* Animation Croix Hamburger */
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}