/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

nav.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    cursor: pointer;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition);
}

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

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

.theme-toggle {
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--accent-primary);
    transform: rotate(20deg);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2rem;
}

/* Responsive */
@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 2rem;
        transform: translateX(-100%);
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        transform: translateX(0);
    }

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

.logo-image {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-primary);
    transition: var(--transition);
}

.logo:hover .logo-image {
    transform: scale(1.1) rotate(5deg);
    border-color: var(--accent-secondary);
}

/* Language Selector */
.language-selector {
    position: relative;
}

.language-toggle {
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
}

.language-toggle:hover {
    background: var(--accent-primary);
    color: white;
}

.language-toggle .flag {
    font-size: 1.2rem;
}

.language-toggle .lang-text {
    font-weight: 600;
}

.language-toggle i {
    font-size: 0.7rem;
    transition: transform 0.3s;
}

.language-selector.active .language-toggle i {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--bg-secondary);
    border: 2px solid var(--bg-tertiary);
    border-radius: 12px;
    padding: 0.5rem;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.language-selector.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    font-weight: 500;
}

.language-option:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.language-option.active {
    background: var(--accent-primary);
    color: white;
}

.language-option .flag {
    font-size: 1.5rem;
}

/* Mobile responsive */
@media (max-width: 968px) {
    .language-dropdown {
        right: auto;
        left: 0;
    }
}