/* NAVIGATION */
.nav-bottom-border {
    border-bottom: 4px solid var(--zettler-orange);
}

.desktop-nav {
    display: flex;
    justify-content: space-between;
}

.desktop-nav img {
    max-width: 70%;
}

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

.nav-item {
    position: relative;
}

.nav-item a {
    padding: 10px;
    display: block;
    text-decoration: none;
    color: var(--text-primary);
    position: relative;
    line-height: 1.3 !important;
}

.nav-item a:hover {
    color: var(--zettler-orange);
    text-decoration: underline;
}

/* General menu styles */
ul.top-level-menu,
ul.submenu-vertical,
.submenu-horizontal {
    list-style: none;
    padding: 0;
    margin: 0;
}

ul.top-level-menu {
    display: flex;
    gap: 20px;
}

ul.top-level-menu > li {
    position: relative;
}

ul.submenu-vertical,
.submenu-horizontal {
    left: 0;
    z-index: 2;
    padding: 10px;
    display: none; 
    position: absolute;
    background: #fff;
    border-radius: 0 15px 15px 15px;
    background-color: var(--gray-bg);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

ul.submenu-vertical {
    flex-direction: column;
}

ul.submenu-vertical li:last-child {
    margin-bottom: 0;
}

.submenu-horizontal {
    gap: 20px;
    flex-direction: row;
}

.submenu-horizontal .submenu-group {
    list-style: none;
}

.submenu-horizontal .group-header {
    list-style: none;
    padding: 5px 10px;
}

.submenu-horizontal .group-header .vertical-header {
    font-weight: bold;
    color: #000;
}

.vertical-header {
    padding-bottom: 5px;
}

/* Show submenus on hover */
.top-level-menu > li:hover > .submenu-vertical,
.top-level-menu > li:hover > .submenu-horizontal {
    display: flex;
}

.nowrap {
    white-space: nowrap;
}

.mobile-nav {
    display: none;
}

/* Horizontal submenu expanding left */
ul.submenu-horizontal-expand-left {
    right: 0; 
    left: auto; 
    z-index: 2;
    padding: 10px;
    display: none;
    position: absolute;
    background: #fff;
    border-radius: 15px 0 15px 15px;
    background-color: var(--gray-bg);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    flex-direction: column;
}

/* Show .submenu-horizontal-expand-left on hover */
.top-level-menu > li:hover > .submenu-horizontal-expand-left {
    display: flex;
    flex-direction: row;
}

@media only screen and (max-width: 685px) {
    .desktop-nav {
        display: none;
    }

    .home-content-container {
        padding-top: 10px;
    }

    .mobile-nav {
        display: flex;
        position: relative;
        align-items: center;
        justify-content: flex-start;
        padding: 20px 0 20px 20px;
    }

    .mobile-nav-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .hamburger-menu {
        z-index: 2;
        width: 100%;
        cursor: pointer;
    }

    .bar1,
    .bar2,
    .bar3 {
        width: 35px;
        height: 5px;
        margin: 6px 0;
        transition: 0.4s;
        background-color: #333;
    }

    .hamburger-icon.open .bar1 {
        transform: translate(0, 11px) rotate(-45deg);
    }

    .hamburger-icon.open .bar2 {
        opacity: 0;
    }

    .hamburger-icon.open .bar3 {
        transform: translate(0, -11px) rotate(45deg);
    }

    /* Mobile nav hidden by default */
    .top-mobile-nav,
    .mobile-nav-links {
        display: none; 
    }

    /* Show class to make them visible */
    .top-mobile-nav.show,
    .mobile-nav-links.show {
        display: block; 
    }

    .top-mobile-nav,
    .mobile-nav-links {
        left: 0;
        z-index: 1;
        width: 60%;
        position: fixed;
        background-color: #fff;
        transition: right 0.3s ease;
    }

    .top-mobile-nav {
        top: 0;
        height: 100vh;
        box-shadow: 15px 0px 20px 5px rgba(0, 0, 0, 0.2);
    }

    .mobile-nav-links {
        top: 125px;
        display: none;
        overflow: auto;
        list-style-type: none;
        height: calc(100vh - 79px);
    }

    .mobile-nav-links::-webkit-scrollbar {
        display: none; /* Hide scrollbar for Chrome, Safari, and Edge */
    }
    
    .mobile-nav-links {
        -ms-overflow-style: none; /* Hide scrollbar for Internet Explorer and Edge */
        scrollbar-width: none; /* Hide scrollbar for Firefox */
    }

    .mobile-nav-links li {
        cursor: pointer; 
        padding: 10px 20px;
        position: relative;
        border-bottom: 1px solid #ddd;

    }

    .mobile-nav-links li a {
        color: var(--text-primary);
    }

    .mobile-nav-links li:last-child {
        border-bottom: none;
    }

    .mobile-nav-links li:hover {
        background-color: #f0f0f0;
    }

    /* Sub Menu CSS */
    .mobile-nav-links .has-submenu p {
        display: flex;
        justify-content: space-between;
    }
    
    /* Default state (down arrow) */
    .sub-menu-arrow {
        display: inline-block;
        transition: transform 0.3s ease;
    }

    .sub-menu-arrow.down {
        transform: scaleY(1); /* Normal arrow pointing down */
    }

    .sub-menu-arrow.up {
        transform: scaleY(-1); /* Flipped arrow pointing up */
    }

    .mobile-nav-links .has-submenu.expanded > .mobile-submenu {
        display: block;
    }

    .mobile-submenu {
        display: none;
        list-style-type: none;
        padding-left: 0;
        margin-top: 0.5rem;
    }

    .mobile-submenu.show {
        display: block;
    }

    .mobile-submenu li {
        padding: 10px;
    }

    .mobile-submenu li a {
        text-decoration: none;
        color: var(--text-primary);
    }

    .nav-item p {
        padding: 10px;
    }

    /* Disables scrolling when mobile menu is open */
    body.no-scroll {
        overflow: hidden;
    }
}