/* Header Styles */
.header {
    background: var(--white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
    padding: 0 1rem;
}

.logo {
    height: 2.5rem;
}

.nav-menu {
    display: flex;
    gap: 1rem;
}

.nav-link {
    color: var(--gray-600);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.mobile-menu-button {
    display: none;
    color: var(--gray-500);
    padding: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
}

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

.mobile-menu {
    display: none;
    background: var(--white);
    padding: 0.5rem;
    border-top: 1px solid var(--gray-200);
}

.mobile-nav-link {
    display: block;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    color: var(--gray-600);
    text-decoration: none;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
    color: var(--primary);
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-button {
        display: block;
    }
    
    .mobile-menu.hidden {
        display: none;
    }
    
    .mobile-menu:not(.hidden) {
        display: block;
    }
}