.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-index-nav);
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.main-nav.scrolled {
    background: var(--color-background);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
}

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

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

.nav-link:hover {
    color: var(--color-primary);
    background: rgba(237, 136, 6, 0.1);
}

.nav-link.demo-link {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
}

.nav-link.demo-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-button span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    margin: 5px 0;
    transition: all var(--transition-normal);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-background);
    z-index: calc(var(--z-index-nav) - 1);
    display: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mobile-menu.active {
    display: flex;
    opacity: 1;
}

.mobile-menu-links {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.mobile-menu-link {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 500;
    padding: var(--spacing-sm);
    transition: all var(--transition-normal);
}

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

.mobile-menu-link.demo-link {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
}

/* Mobile Menu Button Animation */
.mobile-menu-button.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

.info-dropdown {
    position: relative;
    display: inline-block;
}

.info-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-background);
    min-width: 200px;
    box-shadow: var(--shadow-md);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) 0;
    z-index: var(--z-index-dropdown);
}

.info-dropdown:hover .info-dropdown-content {
    display: block;
}

.info-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

.info-dropdown-trigger:hover {
    color: var(--color-primary);
    background: rgba(237, 136, 6, 0.1);
}

.info-dropdown-trigger::after {
    content: '▼';
    font-size: 0.7em;
    margin-left: var(--spacing-xs);
}

.info-dropdown-content a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.info-dropdown-content a:hover {
    background: rgba(237, 136, 6, 0.1);
    color: var(--color-primary);
}