.header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo img {
    max-height: 60px;
    width: auto;
}

.main-menu {
    display: flex;
    align-items: center;
}

.main-menu ul {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.main-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-menu a:hover {
    color: #4caf50;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .main-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 20px;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }

    .main-menu.active {
        display: block;
    }

    .main-menu ul {
        flex-direction: column;
        gap: 15px;
    }

    .header-right {
        gap: 10px;
    }
}