/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
}

.nav-logo img {
    height: 60px;
}

/* Logo texte dans le header */
.logo {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary-color);
}

/* Réduire la hauteur du header sur mobile */
@media (max-width: 600px) {
    .nav-container { height: 64px; }
    .logo { font-size: 1.2rem; }
    .nav-logo img { height: 50px; }
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
}

.nav-link:hover {
    color: var(--secondary-color);
}

/* Style accentué pour le lien actif (même rendu desktop/mobile) */
.nav-link.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #ffffff;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.16);
}

.nav-cta {
    background: var(--primary-color);
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

.nav-cta:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.nav-cta::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* --- Navigation responsive --- */
@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding: 1rem 1.25rem 1.5rem;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-link {
        width: 100%;
        padding: 0.25rem 0;
    }
}

/* Animation du burger en croix */
.nav-toggle.active .bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Menu de navigation produits */
.product-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: white;
    color: var(--text-primary);
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.product-nav-link i {
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.product-nav-link:hover {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(18, 119, 190, 0.2);
}

.product-nav-link:hover i {
    color: white;
}