.header {
    background-color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

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

.contact-link {
    display: flex;
    align-items: center;
    color: var(--color-primary);
    font-weight: 600;
}

.mobile-menu-btn {
    padding: 0.5rem;
    font-size: 1.5rem;
    color: var(--color-text);
}

.mobile-menu {
    background-color: white;
    padding: 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}