/* Responsive Menu Styles */
.main-nav {
    position: relative;
    background: var(--primary-color);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.nav-wrapper {
    max-width: var(--wrapper-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
}

.site-logo {
    z-index: 1001;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    width: 30px;
    height: 30px;
    padding: 0;
    cursor: pointer;
    position: relative;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: #fff;
    margin: 6px 0;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    display: block;
    font-family: var(--primary-font);
    transition: var(--transition);
}

.nav-menu > li:hover > a {
    color: var(--light);
    background: var(--secondary-color);
    border-radius: var(--border-radius);
}

.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--primary-color);
    min-width: 200px;
    padding: 0.5rem 0;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

.nav-menu > li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu li a {
    color: #fff;
    padding: 0.5rem 1rem;
    display: block;
    text-decoration: none;
    transition: var(--transition);
}

.sub-menu li a:hover {
    background: var(--secondary-color);
}

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

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

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

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

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--primary-color);
        flex-direction: column;
        padding: 80px 20px 20px;
        transition: var(--transition);
        overflow-y: auto;
        z-index: 1000;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu > li {
        margin: 0;
        width: 100%;
    }

    .nav-menu > li > a {
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .sub-menu {
        position: static;
        width: 100%;
        background: rgba(0, 0, 0, 0.1);
        padding: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }

    .nav-menu > li.menu-item-has-children > a::after {
        content: '+';
        float: right;
    }

    .nav-menu > li.menu-item-has-children.active > a::after {
        content: '-';
    }

    .nav-menu > li.active > .sub-menu {
        display: block;
    }
}