/* Navigation Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: var(--z-fixed);
    padding: var(--space-md) 0;
    transition: var(--transition-base);
}

.navbar.scrolled {
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

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

/* Brand */
.nav-brand {
    display: flex;
    align-items: center;
    transition: var(--transition-base);
}

.nav-brand:hover {
    transform: scale(1.02);
}

.nav-brand img {
    height: 81.12px;
    width: auto;
    transition: var(--transition-base);
}

.navbar.scrolled .nav-brand img {
    height: 70.98px;
}

/* Menu */
.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--space-xl);
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    font-weight: 500;
    font-size: var(--text-base);
    color: var(--text-dark);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    background: var(--gradient-subtle);
    color: var(--accent-color);
    transform: translateY(-1px);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 12px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-sm);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    transition-delay: 0.15s;
    pointer-events: none;
    z-index: var(--z-dropdown);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition-delay: 0s;
    pointer-events: auto;
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--text-light);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    font-size: var(--text-sm);
}

.dropdown-menu a:hover {
    background: var(--gradient-subtle);
    color: var(--accent-color);
    transform: translateX(4px);
}

/* Navigation Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-full);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-white);
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.lang-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--text-xl);
    color: var(--text-dark);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.mobile-menu-toggle:hover {
    background: var(--gradient-subtle);
    color: var(--accent-color);
}

/* Mobile Menu */
.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-radius: 0 0 16px 16px;
    z-index: 1002;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-menu.active .dropdown {
    margin: 8px 0;
}

.nav-menu.active .dropdown > a {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    background: rgba(26, 26, 46, 0.02);
    margin-bottom: 8px;
}

.nav-menu.active .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: var(--light-bg);
    margin: 8px 0 0 0;
    border-radius: var(--radius-md);
    padding: 8px 0;
    border: 1px solid var(--border-light);
}

.nav-menu.active .dropdown.active .dropdown-menu {
    display: block;
}

.nav-menu.active .dropdown-menu a {
    padding: 12px 24px;
    margin: 1px 8px;
    font-size: 14px;
}

/* Mobile responsive */
@media (max-width: 968px) {
    .dropdown-menu {
        display: none;
    }

    .nav-menu.active .dropdown.active .dropdown-menu {
        display: block;
    }

    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu.active {
        display: flex;
    }

    .navbar {
        z-index: 1003;
    }

    .nav-menu.active {
        z-index: 1002;
    }

    .dropdown-menu {
        z-index: 1001;
    }
}