/* Navigation Styles (navigation.css) */

/* Navigation Header */
.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 rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-light);
}

/* Navigation Container */
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Logo Section */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.nav-logo img {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

.nav-logo:hover img {
    transform: scale(1.1) rotate(5deg);
}

.brand-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.brand-name:hover {
    color: var(--highlight-color);
}

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

/* Navigation Links */
.nav-link {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-glass);
    transition: left 0.3s ease;
    z-index: -1;
}

.nav-link:hover::before {
    left: 0;
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-link.active {
    color: var(--primary-color);
    background-color: var(--light-color);
}

/* Coming Soon Links */
.nav-link.coming-soon {
    color: var(--gray-500);
    cursor: not-allowed;
    position: relative;
}

.nav-link.coming-soon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gray-400);
    transform: translateY(-50%);
}

.nav-link.coming-soon:hover {
    transform: none;
    color: var(--gray-500);
}

/* Register Button */
.register-btn {
    background: var(--gradient-highlight) !important;
    color: var(--white) !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 25px !important;
    box-shadow: var(--shadow-medium);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.register-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-heavy);
    color: var(--white) !important;
}

.register-btn::before {
    display: none;
}

/* Language Toggle */
.language-toggle {
    display: flex;
    gap: 4px;
    background: var(--gray-100);
    border-radius: 20px;
    padding: 4px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.lang-btn {
    background: none;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.lang-btn:hover {
    background: rgba(46, 82, 143, 0.1);
    color: var(--primary-color);
}

.lang-btn.active {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: var(--shadow-light);
    transform: scale(1.05);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 8px;
    border-radius: 4px;
    transition: var(--transition);
}

.mobile-toggle:hover {
    background: var(--light-color);
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 12px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10001;
    transition: top 0.3s ease;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.skip-link:focus {
    top: 6px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-container {
        padding: 1rem;
    }
    
    .nav-menu {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        z-index: 999;
        overflow-y: auto;
    }
    
    .nav-menu.mobile-open {
        display: flex;
        animation: slideInDown 0.3s ease;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 1rem;
        border-radius: var(--border-radius);
        opacity: 0;
        transform: translateY(-20px);
        animation: fadeInUp 0.3s ease forwards;
    }
    
    .nav-menu.mobile-open .nav-link:nth-child(1) { animation-delay: 0.1s; }
    .nav-menu.mobile-open .nav-link:nth-child(2) { animation-delay: 0.2s; }
    .nav-menu.mobile-open .nav-link:nth-child(3) { animation-delay: 0.3s; }
    .nav-menu.mobile-open .nav-link:nth-child(4) { animation-delay: 0.4s; }
    .nav-menu.mobile-open .nav-link:nth-child(5) { animation-delay: 0.5s; }
    
    .mobile-toggle {
        display: flex;
    }
    
    .language-toggle {
        order: -1;
        margin-bottom: 1rem;
    }
    
    .register-btn {
        padding: 1rem 2rem !important;
        font-size: var(--font-size-lg) !important;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.75rem 1rem;
    }
    
    .brand-name {
        font-size: var(--font-size-lg);
    }
    
    .nav-logo img {
        height: 35px;
    }
    
    .nav-menu {
        padding: 1.5rem;
    }
    
    .lang-btn {
        padding: 0.4rem 0.8rem;
        font-size: var(--font-size-xs);
    }
}

/* Navigation Animations */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus States for Accessibility */
.nav-link:focus,
.lang-btn:focus,
.register-btn:focus,
.mobile-toggle:focus {
    outline: 3px solid var(--highlight-color);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .navbar {
        border-bottom-width: 2px;
    }
    
    .nav-link,
    .lang-btn,
    .register-btn {
        border: 2px solid transparent;
    }
    
    .nav-link:hover,
    .nav-link:focus {
        border-color: var(--primary-color);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .nav-logo img,
    .nav-link,
    .lang-btn,
    .register-btn,
    .mobile-toggle span {
        transition: none !important;
    }
    
    .nav-link:hover {
        transform: none !important;
    }
    
    .register-btn:hover {
        transform: none !important;
    }
}