header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--primary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.header-container {
    max-width: var(--width);
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 15px;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 500;
    font-size: 16px;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 24px;
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--secondary-color);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-links a {
        padding: 10px 0;
    }
}