/**
 * File: header-main-nav-mobile.css
 * Purpose: Styles for the mobile/tablet primary navigation menu
 * Usage: Applies to `.mobile-main-nav` and its child `.primary-menu-container`
 * Dependencies: Controlled visibility via `header-visibility-helper.css`
 *
 * Notes:
 * - Hidden by default and toggled via hamburger interaction
 * - Includes button icon animation for open/close effect
 * - Uses CSS variables for theming
 * - Responsive offsets for different breakpoints
 *
 * Key Elements:
 * - `.mobile-main-nav` — main mobile navigation bar
 * - `.primary-menu-container` — holds the dropdown menu
 * - `.hamburger-menu` — clickable toggle button
 */



/* --- Scoped Variables --- */
.mobile-main-nav {
    --mobile-main-nav-bar-bg-color: var(--tan-lighter);
    --mobile-main-nav-bg-color:var(--white);
    --mobile-main-nav-box-shadow-color: var(--black-trans-highest);
    --mobile-main-nav-border-color:var(--tan-medium);
    --mobile-main-nav-border-top-color:var(--brand-yellow);
    --mobile-main-nav-link-font-color:var(--brown-dark);
    --mobile-main-nav-link-border-color:var(--white);
    --mobile-main-nav-link-hover-color:var(--brand-orange-medium);
    --mobile-main-nav-current-link-font-color:var(--brown-dark);
    --mobile-main-nav-current-link-border-color:var(--white);
    --mobile-main-nav-current-link-bg-color:var(--white);
    --mobile-main-nav-hamburger-color:var(--brown-dark);
    --mobile-main-nav-X-color:var(--brand-orange-medium);
}


/* --- Base Layout and Container --- */
.mobile-main-nav {
    flex-wrap: nowrap !important;
    justify-content: space-between;
    flex-direction: row;
    padding: 0.2em 20px;
    border-width: 1px 0!important;
    border: solid var(--mobile-main-nav-border-color);
    background-color: var(--mobile-main-nav-bar-bg-color);
}


.mobile-main-nav > .primary-menu-container,
.mobile-main-nav > .primary-menu-container > ul {
    width: 100%;
    justify-content: center;
    text-transform: uppercase;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1px;
}

/* --- Dropdown Container (initially hidden) --- */
.mobile-main-nav > .primary-menu-container {
    display: none;
    position: absolute;
    left: 0;
    z-index: 999;
    width: 100%;
    background-color: var(--mobile-main-nav-bg-color);
    flex-direction: column;
    text-align: center;
    padding: 10px 0px;
    box-shadow: 0 2px 5px var(--mobile-main-nav-box-shadow-color);
    border-top: 3px solid var(--mobile-main-nav-border-top-color);
    border-bottom: 5px solid var(--mobile-main-nav-border-color);
}

/* --- Menu List Layout --- */
.mobile-main-nav > .primary-menu-container > ul {
    flex-direction: column;
    flex-wrap: nowrap;
    white-space: nowrap;
}

/* --- Link Styling --- */
.mobile-main-nav a,
.mobile-main-nav > .primary-menu-container a,
.mobile-main-nav > .primary-menu-container > ul a {
    color: var(--mobile-main-nav-link-font-color);
    line-height: 2.7em;
    border: solid var(--mobile-main-nav-link-border-color);
    border-width: 1px 0;
    width: auto;
    display: block;
    margin: 0px 10px;
}

.mobile-main-nav a:hover,
.mobile-main-nav > .primary-menu-container a:hover,
.mobile-main-nav > .primary-menu-container > ul a:hover {
    color: var(--mobile-main-nav-link-hover-color);
}

.mobile-main-nav .current-menu-item a,
.mobile-main-nav > .primary-menu-container .current-menu-item a,
.mobile-main-nav > .primary-menu-container > ul .current-menu-item a {
    color: var(--mobile-main-nav-current-link-font-color) !important;
    border: solid var(--mobile-main-nav-current-link-border-color);
    border-width: 1px 0;
    background-color: var(--mobile-main-nav-current-link-bg-color);
    pointer-events: none;
}

/* --- Hamburger Menu Button --- */
.hamburger-menu {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    background: none;
    border: none;
    z-index: 999;
}

.hamburger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--mobile-main-nav-hamburger-color);
    transition: transform 0.3s ease-in-out, background-color 0.3s ease-in-out;
}

/* --- Active State (Show Menu) --- */
.mobile-main-nav:has(.hamburger-menu:active) .primary-menu-container,
.mobile-main-nav:has(.hamburger-menu:focus-within) .primary-menu-container,
.mobile-main-nav:has(.primary-menu-container:active) .primary-menu-container,
.mobile-main-nav:has(.primary-menu-container:focus-within) .primary-menu-container {
    display: flex;
}

/* --- Hamburger → X Animation --- */
.mobile-main-nav:has(.hamburger-menu:active) .hamburger-menu span:nth-child(1),
.mobile-main-nav:has(.hamburger-menu:focus-within) .hamburger-menu span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    background-color: var(--mobile-main-nav-X-color);
}

.mobile-main-nav:has(.hamburger-menu:active) .hamburger-menu span:nth-child(2),
.mobile-main-nav:has(.hamburger-menu:focus-within) .hamburger-menu span:nth-child(2) {
    opacity: 0;
}

.mobile-main-nav:has(.hamburger-menu:active) .hamburger-menu span:nth-child(3),
.mobile-main-nav:has(.hamburger-menu:focus-within) .hamburger-menu span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    background-color: var(--mobile-main-nav-X-color);
}

/* --- Breakpoint-Specific Adjustments --- */
@media all and (max-width: 820px) and (min-width: 769px) {
    .mobile-main-nav > .primary-menu-container {
        top: calc(292px + var(--top-offset, 0px));
    }
}

@media all and (max-width: 768px) {
    .mobile-main-nav > .primary-menu-container {
        top: calc(282px + var(--top-offset, 0px));
    }
}