/* ============================================
   NAVIGATION COMPONENT STYLES
   ============================================
   
   Z-Index Scale (within Header stacking context):
   - 1000: Header container - must be high to compete at document root level
   - 200: Primary nav dropdown menus (relative to header)
   - 250: Secondary nav container & dropdown (relative to header)
   - 300: Hamburger button (relative to header)
   
   Note: All nav z-indexes are relative to .site-header's stacking context
   ============================================ */


/* ============================================
   HEADER LAYOUT & STRUCTURE
   ============================================ */

.site-header {
    position: sticky;
    top: 0;
    background-color: var(--th-color-surface-default);
    padding: 0;
    z-index: 1000; /* High enough to appear above tooltips and page content */
    --nav-chevron-width: 12px;
    --nav-chevron-height: 7px;
    --nav-chevron-transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header--public {
    box-shadow: var(--th-elevation-2);
    --nav-chevron-width: 13px;
    --nav-chevron-height: 8px;
    --nav-chevron-transition: none;
}


.site-header--auth {
    box-shadow: var(--th-elevation-2);
}

.site-nav {
    position: relative;
    padding: 12px 24px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    min-height: 4rem;
    max-width: 1800px;
}

/*Tablet*/
@media (min-width: 768px) {
    .site-nav {
        padding: 12px 40px;
    }
}

/*Desktop Large*/
@media (min-width: 1024px) {
    .site-nav {
        padding: 12px 56px;
    }
}

/*Desktop XLarge*/
@media (min-width: 1280px) {
    .site-nav {
        padding: 12px 80px;
    }
}

.site-nav__content {
    width: 100%;
}

/* Tablet/Mobile: Logo and hamburger in top bar, nav below */
/* Use fractional max-width to avoid subpixel rounding gaps at breakpoints. */
@media (max-width: 1023.98px) {
    .site-header--public,
    .site-header--auth {
        margin-left: 0;
        margin-right: 0;
    }

    body {
        --site-nav-overlay-top: calc(32px + 2rem);
    }

    body.site-nav-open {
        padding-top: var(--site-nav-overlay-top);
    }

    body.site-nav-open .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
    }

    .site-nav {
        justify-content: space-between;
    }
    
    .header-logo {
        order: 1;
    }
    
    .hamburger {
        order: 2;
    }

    
    .site-nav__content {
        order: 3;
        display: none;
        position: fixed;
        top: var(--site-nav-overlay-top);
        right: 0;
        bottom: 0;
        left: 0;
        background-color: var(--th-color-background-overlay, rgba(0, 0, 0, 0.45));
        padding: 0;
        justify-content: flex-end;
        align-items: flex-start;
        overflow: hidden;
        z-index: 200;
    }
    
    .site-nav__content.is-expanded {
        display: flex;
    }
}

/* Desktop: All in one row */
@media (min-width: 1024px) {
    .site-nav {
        flex-wrap: nowrap;
    }
    
    .header-logo,
    .hamburger {
        display: flex;
        align-items: center;
    }

    
    .site-nav__content {
        display: flex;
        flex: 1;
        align-items: stretch;
        gap: 0;
        width: auto;
        margin-left: 0;
    }

}


/* ============================================
   HAMBURGER BUTTON (MOBILE ONLY)
   ============================================ */

.hamburger {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
    border: none;
    background: none;
    cursor: pointer;
    z-index: 300;
    transition: opacity 0.2s ease;
}

.hamburger:hover {
    opacity: 0.8;
}

/* Hamburger Inner Container */
.hamburger__inner {
    position: relative;
    display: block;
    width: 24px;
    height: 18px;
}

/* Hamburger Lines */
.hamburger__inner::before,
.hamburger__inner::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 2px;
    background-color: var(--th-color-icon-default);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                top 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger__inner::before {
    top: 0;
}

.hamburger__inner::after {
    top: 16px;
}

/* Middle line (using a pseudo element on the parent) */
.hamburger::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 2px;
    background-color: var(--th-color-icon-default);
    transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

/* Active State - Transform to X */
.hamburger.is-active::before {
    opacity: 0;
}

.hamburger.is-active .hamburger__inner::before {
    top: 8px;
    transform: rotate(-45deg);
}

.hamburger.is-active .hamburger__inner::after {
    top: 8px;
    transform: rotate(45deg);
}

@media (min-width: 1024px) {
    .hamburger {
        display: none;
    }
}


/* ============================================
   HEADER LOGO
   ============================================ */

.header-logo {
    display: block;
    flex-shrink: 0;
    line-height: 0;
    transition: opacity 0.2s ease;
}

.header-logo:hover {
    opacity: 0.85;
}

.header-logo img {
    display: block;
    height: 40px;
    width: auto;
}

@media (min-width: 1024px) {
    .header-logo {
        flex: 0 0 auto;
        margin-right: 1.5rem;
    }

    .header-logo img {
        height: 55px;
    }
}


/* ============================================
   NAVIGATION STRUCTURE
   ============================================ */

/* Base reset and accessibility */
.site-nav__primary {
    position: relative;
}

.site-nav__primary-list,
.nav-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

button.nav-item {
    padding: 0;
    border: none;
    background: none;
    font-size: inherit;
    font-style: inherit;
    line-height: inherit;
    cursor: pointer;
    text-align: inherit;
}

/* Base nav-item structure */
.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    position: relative;
}

.nav-item__label {
    flex: 1 1 auto;
    text-align: left;
}

.nav-item__chevron {
    width: var(--nav-chevron-width);
    height: var(--nav-chevron-height);
    position: relative;
    flex: 0 0 auto;
}

.nav-item__chevron svg {
    display: block;
    width: 100%;
    height: 100%;
    transform: rotate(0deg);
    transition: var(--nav-chevron-transition);
}

.nav-item__chevron path {
    stroke: currentColor;
    stroke-linejoin: round;
    fill: none;
}

.site-header--auth .dropdown>.nav-item[aria-expanded="true"] .nav-item__chevron svg {
    transform: rotate(180deg);
}

.nav-item--icon {
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 999px;
    background-color: var(--th-color-surface-default);
    border: 1px solid var(--th-color-border-default);
    padding: 0;
    gap: 0;
    color: var(--th-color-text-primary, #1b1b1b);
}

.nav-item--icon:not(.nav-item--impersonating) {
    border-color: transparent;
}

.nav-item--impersonating {
    border-width: 2px;
    border-color: var(--th-color-text-critical);
}

.nav-item--icon:not(.nav-item--impersonating):hover {
    color: #49a3ee;
}

.nav-item--icon:not(.nav-item--impersonating):active,
.nav-item--icon:not(.nav-item--impersonating)[aria-expanded="true"] {
    color: #0f5c93;
}

.nav-item--icon:not(.nav-item--impersonating):focus-visible {
    color: #63b3ed;
}

.nav-item--icon:focus-visible {
    background-color: var(--th-color-surface-subtle-muted);
    border-color: var(--th-color-brand-primary);
    box-shadow: 0 0 0 2px var(--th-color-brand-primary);
    color: var(--th-color-text-primary, #1b1b1b);
    outline: none;
}

.nav-item--icon:active,
.nav-item--icon[aria-expanded="true"] {
    background-color: var(--th-color-surface-section);
    border-color: var(--th-color-brand-primary);
}

.nav-item__label--mobile {
    display: none;
}

/* User Avatar */
.user-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: transparent;
    color: var(--th-color-text-primary, #1b1b1b);
    font-family: var(--th-font-family-base);
    font-size: 16px;
    font-weight: var(--th-font-weight-semibold);
    letter-spacing: 0.48px;
    padding-top: 0.1rem; /* Optical centering adjustment for font baseline  */
}

.user-avatar--large {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1rem;
}

.user-avatar--impersonating {
    background-color: var(--th-color-brand-primary);
    color: var(--th-color-text-on-dark);
    outline: 2px solid var(--th-color-text-critical);
}

.user-avatar--icon {
    font-size: 0;
    letter-spacing: 0;
    padding-top: 0;
    line-height: 0;
}

.user-avatar--icon .icon--user {
    width: 36px;
    height: 36px;
    display: block;
    color: inherit;
    fill: none;
}

.nav-item--icon:not(.nav-item--impersonating):hover .icon--user {
    color: #49a3ee;
}

.nav-item--icon:not(.nav-item--impersonating):active .icon--user,
.nav-item--icon:not(.nav-item--impersonating)[aria-expanded="true"] .icon--user {
    color: #0f5c93;
}

.nav-item--icon:not(.nav-item--impersonating):focus-visible .icon--user {
    color: #63b3ed;
}

.impersonated-user-name {
    display: none;
    color: var(--th-color-brand-primary);
    font-family: var(--th-font-family-base);
    font-weight: var(--th-font-weight-medium);
    letter-spacing: 0;
    text-transform: none;
    padding-top: 0;
    white-space: nowrap;
}

@media (min-width: 1024px) {
    .impersonated-user-name {
        display: inline-flex;
        align-items: center;
        position: absolute;
        right: -20%;
        top: 85%;
        margin-right: 0.5rem;
    }
}

.icon-user {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.icon--user {
    fill: var(--th-color-icon-default);
    stroke: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Tablet/Mobile styles */
@media (max-width: 1023.98px) {
    .site-nav__primary {
        display: block;
    }
}


/* ============================================
   DROPDOWN MENUS
   ============================================ */

.nav-menu {
    background-color: var(--th-color-surface-default);
    border-radius: 8px;
    border: 1px solid var(--th-color-border-default);
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.36s cubic-bezier(0.33, 1, 0.68, 1), opacity 0.3s ease;
    opacity: 0;
}

.nav-menu.is-open {
    max-height: 520px;
    opacity: 1;
    padding: 0;
}

.nav-menu ul li a {
    display: block;
    padding: 12px 16px;
    color: var(--th-color-text-primary, #1b1b1b);
    font-size: 14px;
    font-weight: var(--th-font-weight-medium);
    line-height: 1.5;
    letter-spacing: 0;
    outline: none;
    outline-offset: 0;
    text-decoration: none;
}

.nav-menu ul li a:hover,
.nav-menu ul li a:focus-visible {
    background-color: var(--th-color-surface-subtle-muted);
    color: var(--th-color-text-primary, #1b1b1b);
}

.nav-menu__icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    color: currentColor;
}

.nav-menu--utility {
    right: 0;
    left: auto;
    margin-top: 0.75rem;
}

/* User Menu Header */
.nav-menu__user-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 1rem 0.5rem 1rem;
    border-bottom: 1px solid var(--th-color-border-default);
    margin-bottom: 0.5rem;
}

.nav-menu__display-name {
    display: flex;
    align-items: center;
    height: 48px;
    padding: 12px 16px;
    color: var(--th-color-text-primary, #1b1b1b);
    font-size: 14px;
    font-weight: var(--th-font-weight-medium);
}

.user-avatar__name {
    color: var(--th-color-text-primary, #1b1b1b);
    font-family: var(--th-font-family-base);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-transform: none;
    padding-top: 0.3rem; /* Optical centering adjustment for font baseline */
}


/* ============================================
   NAVIGATION LINK STYLES
   ============================================ */

/* Navigation link overrides */
a.nav-item,
button.nav-item {
    color: var(--th-color-text-primary, #1b1b1b);
    font-family: var(--th-font-family-base);
    font-weight: var(--th-font-weight-semibold);
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 0;
    text-transform: none;
    text-decoration: none;
}

a.nav-item:hover,
a.nav-item:focus-visible,
a.nav-item:active,
button.nav-item:hover,
button.nav-item:focus-visible,
button.nav-item:active {
    text-decoration: none;
    color: var(--th-color-text-navigation-primary-hover, #1673b0);
    outline: none; /* remove outline from layout.css*/
    outline-offset: 0;
}


/* ============================================
   RESPONSIVE: DESKTOP (>=1024px)
   ============================================ */

@media (min-width: 1024px) {
    .site-nav__primary {
        flex: 1 1 auto;
        display: flex;
        align-items: stretch;
        justify-content: flex-end;
        height: 100%;
        max-height: none;
        opacity: 1;
        overflow: visible;
    }


    .site-nav__primary > .nav-menu__user-header {
        display: none;
    }

    .site-nav__primary-list {
        display: flex;
        align-items: stretch;
        height: 100%;
        gap: 40px;
    }

    .site-nav__primary-list>li {
        border: none;
        position: relative;
        display: flex;
        align-items: center;
        height: 100%;
    }

    .site-nav__primary-list > li[data-mobile-only] {
        display: none;
    }

    .site-nav__primary-list > li[data-desktop-only] {
        margin-left: auto;
    }


    .site-nav__item--has-menu .nav-item__chevron {
        display: inline-flex;
    }

    .nav-menu {
        max-height: none;
        background: var(--th-color-surface-default);
        box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.08),
            0 2px 4px 0 rgba(0, 0, 0, 0.04),
            0 1px 2px 0 rgba(0, 0, 0, 0.03);
        padding: 0;
        position: absolute;
        top: 80%;
        left: 0;
        text-wrap: nowrap;
        transform: translateY(-8px);
        transition: transform 0.26s cubic-bezier(0.33, 1, 0.68, 1), opacity 0.24s ease;
        opacity: 0;
        pointer-events: none;
        border: 1px solid var(--th-color-border-default);
        z-index: 200;
    }

    .nav-menu.is-open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .nav-menu ul li a {
        padding: 12px 16px;
    }

    .site-nav__utility {
        width: auto;
        position: relative;
    }

    .site-nav__primary .nav-menu--utility {
        left: auto;
        right: 0;
    }

    .nav-item--icon {
        width: 36px;
        height: 36px;
        border-radius: 18px;
        border: 1.2px solid var(--th-color-icon-default);
        background-color: var(--th-color-surface-default);
        color: var(--th-color-icon-default);
    }

    .icon--user {
        fill: var(--th-color-icon-default);
    }

    .nav-item__label--mobile {
        display: none;
    }


    .site-header--public .site-nav__primary-list {
        gap: clamp(var(--th-space-xl), 1.5vw, calc(var(--th-space-5xl) + var(--th-space-md)));
    }

    .site-header--public a.nav-item,
    .site-header--public button.nav-item {
        font-weight: var(--th-font-weight-bold);
    }

    .site-header--public .nav-menu {
        min-width: 196px;
        padding: 16px;
        border: none;
        border-radius: 0px;
        box-shadow: 0 12px 16px -4px rgba(0, 0, 0, 0.06),
            0 8px 12px -2px rgba(0, 0, 0, 0.08),
            0 4px 6px 0 rgba(0, 0, 0, 0.1),
            -4px 0 16px 0 rgba(0, 0, 0, 0.15);
    }

    .site-header--public .nav-menu ul {
        display: flex;
        flex-direction: column;
        gap: 32px;
    }

    .site-header--public .nav-menu ul li a {
        padding: 0;
        font-weight: var(--th-font-weight-regular);
        letter-spacing: -0.5px;
    }

    .site-header--public .nav-menu ul li a:hover,
    .site-header--public .nav-menu ul li a:focus-visible {
        background-color: transparent;
    }

    .site-header--public .site-nav__cta {
        margin-left: 1.5rem;
        display: flex;
        align-items: center;
    }

    .site-header--public .nav-cta {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 8px 22px;
        border-radius: 999px;
        border: 1px solid var(--th-color-button-secondary-outline);
        color: var(--th-color-button-primary);
        font-family: var(--th-font-family-base);
        font-size: 14px;
        font-weight: var(--th-font-weight-regular);
        line-height: 1.5;
        letter-spacing: -0.5px;
        text-decoration: none;
        text-wrap: nowrap;
    }

    .site-header--public .nav-cta:hover,
    .site-header--public .nav-cta:focus-visible {
        border-color: var(--th-color-brand-accent);
        color: var(--th-color-text-navigation-primary-hover, #1673b0);
        outline: none;
    }

    .site-header--auth .site-nav__primary .nav-menu {
        padding: 8px 0;
        border-color: var(--th-color-border-default, #e5e7eb);
    }

    .site-header--auth .nav-menu--utility {
        padding: 8px 0;
    }

    .site-header--auth .site-nav__primary .nav-menu ul {
        display: flex;
        flex-direction: column;
    }

    .site-header--auth .site-nav__primary .nav-menu ul li a {
        display: flex;
        align-items: center;
        gap: 8px;
        height: 48px;
        padding: 12px 16px;
        font-weight: var(--th-font-weight-medium);
        color: var(--th-color-text-primary, #1b1b1b);
        background-color: var(--th-color-surface-default);
    }

    .site-header--auth .site-nav__primary .nav-menu ul li a:hover {
        background-color: #f7f9fa;
    }

    .site-header--auth .site-nav__primary .nav-menu ul li a:active {
        background-color: #f1f5f8;
    }

    .site-header--auth .site-nav__primary .nav-menu ul li a:focus-visible {
        background-color: #f7f9fa;
        box-shadow: 0 0 0 1px #2185c7 inset;
        outline: none;
    }

    /* Full-height bar interaction states for desktop */
    .site-nav__primary a.nav-item,
    .site-nav__primary button.nav-item {
        display: flex;
        align-items: center;
        padding: 4px;
        border-radius: 0;
        background-color: transparent;
        transition: color 0.15s ease;
        flex-shrink: 1;
        white-space: nowrap;
    }

    .site-nav__primary button.nav-item.nav-item--impersonating {
        width: 36px;
        height: 36px;
        padding: 0;
        justify-content: center;
    }

    .site-nav__primary a.nav-item:hover,
    .site-nav__primary button.nav-item:hover {
        background-color: transparent;
    }

    .site-nav__primary a.nav-item:focus-visible,
    .site-nav__primary button.nav-item:focus-visible {
        background-color: transparent;
        box-shadow: 0 0 0 2px var(--th-color-brand-primary) inset;
        outline: none;
    }

    .site-nav__primary a.nav-item:active,
    .site-nav__primary button.nav-item:active,
    .site-nav__primary button.nav-item[aria-expanded="true"] {
        background-color: transparent;
    }

    .site-nav__primary a.nav-item.is-active,
    .site-nav__primary button.nav-item.is-active {
        color: var(--th-color-text-navigation-primary-hover, #1673b0);
        font-weight: var(--th-font-weight-bold);
    }

    .site-nav__primary a.nav-item.is-active:hover,
    .site-nav__primary button.nav-item.is-active:hover {
        background-color: transparent;
    }

    .site-header--auth .site-nav__primary a.nav-item:hover,
    .site-header--auth .site-nav__primary button.nav-item:hover {
        color: var(--th-color-text-navigation-primary-hover, #1673b0);
    }

    .site-header--auth .site-nav__primary a.nav-item:focus-visible,
    .site-header--auth .site-nav__primary button.nav-item:focus-visible {
        color: var(--th-color-text-navigation-primary-focus, #2185c7);
        box-shadow: none;
    }

    .site-header--auth .site-nav__primary a.nav-item:active,
    .site-header--auth .site-nav__primary button.nav-item:active {
        color: var(--th-color-text-navigation-primary-active, #0f5c93);
    }
}

/* ============================================
   RESPONSIVE: LARGE (>=1280px)
   ============================================ */

@media (min-width: 1280px) {
    .site-header--public .site-nav__primary-list {
        gap: clamp(var(--th-space-2xl), 2vw, calc(var(--th-space-5xl) + var(--th-space-md)));
    }
}



/* ============================================
   RESPONSIVE: TABLET/MOBILE (<1024px)
   ============================================ */

@media (max-width: 1023.98px) {

    /* Override from simple-layout.css*/
    .site-header--public .site-nav {
        width: 100%;
        margin: 0;
    }

    .site-header--public .header-logo {
        margin-right: auto;
    }

    .site-header--public .site-nav__cta {
        display: none;
    }

    .site-nav__primary {
        width: 100%;
        height: auto;
        max-width: none;
        max-height: calc(100vh - var(--site-nav-overlay-top));
        background-color: var(--th-color-surface-section);
        box-shadow: var(--th-elevation-5);
        padding: 16px 10px;
        overflow-y: auto;
    }

    .site-nav__primary-list {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .site-nav__primary-list>li {
        border-bottom: none;
        width: 100%;
    }

    .site-nav__primary-list > li[data-desktop-only] {
        display: none;
    }

    .site-nav__primary > .nav-menu__user-header {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px;
        border-bottom: 1px solid var(--th-color-border-default);
        margin-bottom: 12px;
    }

    .site-nav__primary > .nav-menu__user-header .user-avatar--large {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .site-nav__primary > .nav-menu__user-header .user-avatar:not(.user-avatar--impersonating) {
        background-color: transparent;
        color: var(--th-color-text-secondary);
    }

    .site-nav__primary > .nav-menu__user-header .user-avatar--icon .icon--user {
        width: 36px;
        height: 36px;
    }

    .site-nav__primary > .nav-menu__user-header .user-avatar__name {
        color: var(--th-color-text-secondary);
        font-size: 16px;
        font-weight: var(--th-font-weight-medium);
        line-height: 1.5;
    }

    .site-nav__item--has-menu {
        display: flex;
        flex-direction: column;
    }

    .nav-item--icon {
        justify-content: flex-start;
        align-items: center;
        width: 100%;
        height: auto;
        border-radius: 0.85rem;
        padding: 0 1rem;
        border: 1px solid var(--th-color-border-default);
        background: var(--th-color-surface-section);
        color: var(--th-color-text-primary, #1b1b1b);
        gap: 0.85rem;
    }

    .nav-item--icon:focus-visible {
        background-color: var(--th-color-surface-subtle-muted);
        border-color: var(--th-color-brand-primary);
        box-shadow: 0 0 0 2px var(--th-color-brand-primary);
        color: var(--th-color-text-primary, #1b1b1b);
        outline: none;
    }

    .nav-item--icon:active,
    .nav-item--icon[aria-expanded="true"] {
        background-color: var(--th-color-surface-section);
        border-color: var(--th-color-brand-primary);
        color: var(--th-color-text-primary, #1b1b1b);
    }

    .nav-item__label--mobile {
        display: inline-flex;
        flex: 1;
        font-weight: 700;
        line-height: 1;
        margin-top: 0.3em; /* Optical centering adjustment for font baseline */
    }

    .icon-user,
    .icon--user {
        width: 1.75rem;
        height: 1.75rem;
    }

    .nav-menu {
        border-radius: 0;
        background-color: transparent;
        border: none;
        box-shadow: none;
    }

    .site-nav__item--has-menu .nav-menu.is-open {
        margin-top: 8px;
    }


    .nav-menu__icon {
        display: inline-flex;
        color: var(--th-color-icon-default);
    }

    .nav-menu ul {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .nav-menu ul li a {
        display: flex;
        align-items: center;
        gap: 12px;
        height: 40px;
        padding: 10px 32px;
        color: var(--th-color-icon-default);
        font-weight: var(--th-font-weight-medium);
    }

    /* Hover styles for desktop */
    @media (hover: hover) and (pointer: fine) {
        .nav-menu ul li a:hover,
        .nav-menu ul li a:focus-visible {
            background-color: #a3d8fa;
            color: var(--th-color-icon-default);
        }

        .nav-menu ul li a:active {
            background-color: #a3d8fa;
        }
    }

    @media (hover: none) and (pointer: coarse) {
        .nav-menu ul li a:hover,
        .nav-menu ul li a:active {
            background-color: transparent;
        }
    }

    .nav-menu ul li a.is-active,
    .nav-menu ul li a[aria-current="page"] {
        background-color: #75c0f0;
        color: var(--th-color-icon-default);
    }

    .nav-menu ul li a.is-disabled,
    .nav-menu ul li a[aria-disabled="true"] {
        color: #bfc3c6;
        pointer-events: none;
    }

    .nav-menu ul li a.is-disabled .nav-menu__icon,
    .nav-menu ul li a[aria-disabled="true"] .nav-menu__icon {
        color: #bfc3c6;
    }

    /* Full-width interaction states for mobile */
    .site-nav__primary-list > li {
        width: 100%;
    }

    .site-nav__primary a.nav-item,
    .site-nav__primary button.nav-item {
        display: flex;
        width: 100%;
        padding: 10px 16px;
        border-radius: 0;
        background-color: transparent;
        transition: background-color 0.15s ease;
        justify-content: flex-start;
        align-items: center;
        min-height: 40px;
        height: 40px;
        font-weight: var(--th-font-weight-medium);
        color: var(--th-color-icon-default);
    }

    /* Dropdowns need space-between for chevron positioning */
    .site-nav__primary button.nav-item {
        justify-content: space-between;
    }

    .site-nav__primary a.nav-item:hover,
    .site-nav__primary button.nav-item:hover {
        background-color: transparent;
        color: var(--th-color-icon-default);
    }

    .site-nav__primary a.nav-item:focus-visible,
    .site-nav__primary button.nav-item:focus-visible {
        background-color: transparent;
        box-shadow: none;
        color: var(--th-color-icon-default);
        outline: none;
    }

    .site-nav__primary a.nav-item:active,
    .site-nav__primary button.nav-item:active,
    .site-nav__primary button.nav-item[aria-expanded="true"] {
        background-color: #a3d8fa;
    }

    .site-nav__primary a.nav-item.is-active,
    .site-nav__primary button.nav-item.is-active {
        background-color: #75c0f0;
        color: var(--th-color-icon-default);
        font-weight: var(--th-font-weight-medium);
    }

    .site-nav__primary a.nav-item.is-active:hover,
    .site-nav__primary button.nav-item.is-active:hover {
        background-color: #75c0f0;
    }
}

@media (min-width: 768px) and (max-width: 1023.98px) {
    .site-nav__content .site-nav__primary {
        flex: 0 0 320px;
        width: 320px;
        max-width: 320px;
    }
}


/* ============================================
   ACCESSIBILITY & REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    .hamburger,
    .hamburger::before,
    .hamburger__inner::before,
    .hamburger__inner::after,
    .nav-item__chevron::before,
    .nav-menu {
        transition: none;
    }
}