/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 4px 20px rgba(0, 255, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo .logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

.nav-logo .logo-link:hover {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
}

.logo-dot {
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-normal);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(0, 255, 255, 0.1);
    text-shadow: 0 0 10px var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color);
    background: rgba(0, 255, 255, 0.15);
    text-shadow: 0 0 10px var(--primary-color);
}

.nav-icon {
    font-size: 1.1rem;
}

.nav-text {
    display: none;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
}

.lang-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(26, 26, 46, 0.8);
    border: 1px solid rgba(51, 51, 51, 0.5);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-size: 1.2rem;
    transition: all var(--transition-normal);
    backdrop-filter: blur(5px);
}

.lang-btn:hover {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 255, 255, 0.2);
}

.lang-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--bg-primary);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    width: 25px;
    height: 20px;
    position: relative;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    position: absolute;
    transition: all var(--transition-normal);
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 8px; }
.hamburger span:nth-child(3) { top: 16px; }

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 8px;
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 8px;
}

/* Responsive Navigation */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 2rem;
        transition: left var(--transition-normal);
        border-top: 1px solid rgba(0, 255, 255, 0.1);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-text {
        display: block;
    }

    .language-switcher {
        margin-left: 0.5rem;
        gap: 0.3rem;
    }

    .lang-btn {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-logo .logo-link {
        font-size: 1.2rem;
    }
}