/* ==========================================================================
   Composant: Navbar
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition-smooth);
    background-color: transparent; /* Transparent au top (pour le hero) */
}

/* État au scroll: Glassmorphism */
.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-subtle);
    padding: 0.75rem 0;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar-brand img {
    transition: var(--transition-smooth);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

/* Liens de navigation */
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-weight: 500;
    color: var(--color-white); /* Blanc par défaut (sur le hero) */
    position: relative;
    font-size: 1.05rem;
    transition: color 0.3s ease;
}

/* Changement de couleur du texte quand la nav devient blanche */
.navbar.scrolled .nav-link {
    color: var(--color-text);
}

.navbar.scrolled .nav-link:hover {
    color: var(--color-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-smooth);
}

.nav-link:hover::after {
    width: 100%;
}

/* Bouton WhatsApp Nav */
.navbar-actions {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--color-white);
    border-radius: var(--border-radius-btn);
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: var(--transition-bounce);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    color: var(--color-white);
}

/* Menu Burger (Mobile) */
.burger-menu {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem;
    z-index: 1001;
}

.burger-line {
    display: block;
    width: 28px;
    height: 3px;
    margin: 6px auto;
    background-color: var(--color-white);
    transition: var(--transition-smooth);
    border-radius: 3px;
}

.navbar.scrolled .burger-line {
    background-color: var(--color-text);
}

/* --- RESPONSIVE MOBILE --- */
@media (max-width: 992px) {
    .navbar-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition-smooth);
        gap: 2rem;
    }

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

    .nav-link {
        color: var(--color-text); /* Toujours sombre sur menu mobile blanc */
        font-size: 1.5rem;
    }

    .burger-menu {
        display: block;
    }

    /* Animation de la croix burger */
    .burger-menu.active .burger-line:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
        background-color: var(--color-text);
    }
    .burger-menu.active .burger-line:nth-child(2) {
        opacity: 0;
    }
    .burger-menu.active .burger-line:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
        background-color: var(--color-text);
    }
    
    .wa-text {
        display: none; /* Cacher le texte WhatsApp sur très petits écrans pour gagner de la place */
    }
    
    .btn-whatsapp {
        padding: 0.6rem;
        border-radius: 50%;
    }
}