/* ========================================
   NAVBAR
   ======================================== */
   .navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-lg);              /* ✅ Uniformisé avec footer et sections */
    margin: 0 auto;
    padding: 1rem var(--spacing-md);            /* ✅ Padding horizontal uniformisé */
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.logo-subtitle {
    font-size: var(--fs-xs);
    font-weight: 400;
    color: var(--text-light);
}

.logo:hover {
    color: var(--primary-dark);
}

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

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-gray);
    font-weight: 500;
    font-size: var(--fs-base);
    transition: color var(--transition-base);
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

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

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

/* Dropdown Menu - DESKTOP ONLY */
.has-dropdown {
    position: relative;
}

.dropdown-icon {
    transition: transform 0.3s ease;
    margin-left: 0.25rem;
}

.dropdown-menu {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: all var(--transition-base);
}

/* ========================================
   MOBILE NAVIGATION (max-width: 768px)
   ======================================== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 2rem var(--spacing-md);        /* ✅ Padding horizontal uniformisé */
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-item {
        width: 100%;
    }

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

    /* MOBILE : Cacher l'icône dropdown */
    .dropdown-icon {
        display: none;
    }

    /* MOBILE : Afficher tous les liens en liste plate */
    .dropdown-menu {
        display: block !important;
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--bg-light);
        padding: 0.75rem 0 0.75rem 1.5rem;
        margin-top: 0.5rem;
        border-radius: 8px;
        border-left: 3px solid var(--primary);
    }

    .dropdown-menu li {
        margin: 0;
    }

    .dropdown-menu a {
        display: block;
        padding: 0.75rem 1rem;
        color: var(--text-gray);
        font-size: var(--fs-sm);
        transition: all 0.2s ease;
    }

    .dropdown-menu a:hover {
        color: var(--primary);
        padding-left: 1.5rem;
    }

    /* Le lien principal "Services" sur mobile */
    .has-dropdown > .nav-link {
        font-weight: 600;
        color: var(--text-dark);
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(0px, 8px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(0px, -8px);
    }
}

/* ========================================
   DESKTOP NAVIGATION (min-width: 769px)
   ======================================== */
@media (min-width: 769px) {
    .dropdown-icon {
        display: inline-block;
    }

    .has-dropdown:hover .dropdown-icon,
    .has-dropdown:focus-within .dropdown-icon {
        transform: rotate(180deg);
    }

    .dropdown-menu {
        display: block;
        position: absolute;
        top: calc(100% + 1rem);
        left: 0;
        background: white;
        border-radius: 8px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        padding: var(--spacing-sm) 0;
        min-width: 280px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
        z-index: 1000;
        list-style: none;
    }

    .has-dropdown:hover .dropdown-menu,
    .has-dropdown:focus-within .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .dropdown-menu li {
        margin: 0;
    }

    .dropdown-menu a {
        display: block;
        padding: var(--spacing-sm) var(--spacing-md);
        color: var(--text-gray);
        text-decoration: none;
        font-size: var(--fs-sm);
        transition: all 0.2s ease;
    }

    .dropdown-menu a:hover,
    .dropdown-menu a:focus {
        background: var(--bg-light);
        color: var(--primary);
        padding-left: calc(var(--spacing-md) + 0.5rem);
    }

    .dropdown-divider {
        height: 1px;
        background: var(--border-light);
        margin: var(--spacing-xs) var(--spacing-md);
        list-style: none;
    }
}