/* =========================================================
   TCS Child – Navigation CSS
   Single‑line desktop, proportional scaling, clean mobile
   ========================================================= */

/* ─── Custom Properties ──────────────────────────────────── */
:root {
    --nav-height:          clamp(4rem, 8vw, 6rem);
    --nav-bg:              #ffffff;
    --nav-text:            #282828;
    --nav-border:          rgba(255,255,255,.12);

    --nav-dropdown-bg:     #fff;
    --nav-dropdown-text:   #1a1a1a;
    --nav-dropdown-border: var(--color-border, #e5e5e5);
    --nav-dropdown-hover:  var(--color-secondary, #917aa6);

    --nav-featured-bg:     #1a1a1a;
    --nav-featured-text:   #fff;

    --nav-col-gap:         2rem;
    --nav-z:               500;

    --nav-transition:      220ms cubic-bezier(0.16,1,0.3,1);
}

/* ─── Reset inside nav ───────────────────────────────────── */
.c-primary-nav *,
.c-primary-nav *::before,
.c-primary-nav *::after {
    box-sizing: border-box;
}

/* ─── Root nav element ───────────────────────────────────── */
.c-primary-nav {
    position: relative;
    background: var(--nav-bg);
    color: var(--nav-text);
    z-index: var(--nav-z);
    width: 100%;
    display: flex;
    align-items: center;
    min-height: var(--nav-height);
    border-bottom: 4px solid var(--nav-accent, var(--color-primary, #5900a8));
    overflow: visible;
}

/* ─── Inner flex row – single line, no wrapping ──────────── */
.c-primary-nav__inner {
    display: flex;
    align-items: center;
    height: var(--nav-height);
    padding-left: clamp(0.5rem, 1.5vw, 1.5rem);
    padding-right: clamp(0.5rem, 1.5vw, 1.5rem);
    gap: 0;
    max-width: 1600px;
    margin: 0 auto;
    flex-wrap: nowrap;
    width: 100%;
    overflow: visible;
}

/* ─── Logo ───────────────────────────────────────────────── */
.c-primary-nav__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    height: 100%;
    margin-right: clamp(0.5rem, 2vw, 2rem);
}

.c-primary-nav__logo-link {
    display: flex;
    align-items: center;
    height: 100%;
}

.c-primary-nav__logo img {
    display: block;
    height: clamp(2.5rem, 4vw, 4.5rem);
    width: auto;
    max-height: 100%;
    filter: none;
}

/* ─── Actions (Donate + Hamburger) ──────────────────────── */
.c-primary-nav__actions {
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 1.5vw, 1.5rem);
    margin-left: auto;
    flex-shrink: 0;
    position: relative;
    z-index: 501;
    overflow: visible;
}

/* Donate button – base styles (mobile and desktop fallback) */
.c-primary-nav__donate-btn {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    background: var(--donate-btn-bg, var(--nav-accent-hover, #6778a9));
    color: var(--donate-btn-text, #fff);
    font-weight: 700;
    text-decoration: none;
    letter-spacing: .01em;
    white-space: nowrap;
    border-radius: 10px;
    transition: background var(--nav-transition), color var(--nav-transition);
}

.c-primary-nav__donate-btn:hover {
    background: var(--donate-btn-hover-bg, var(--nav-accent, #5900a8));
    color: var(--donate-btn-hover-text, #000);
}

.c-primary-nav__donate-btn svg {
    flex-shrink: 0;
    width: clamp(16px, 2vw, 20px);
    height: clamp(14px, 1.8vw, 18px);
}

/* ─── Hamburger button (visible by default) ──────────────── */
.c-primary-nav__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    margin-left: 1.25rem;
    position: relative;
    z-index: 502;
}

.c-primary-nav__hamburger {
    width: 28px;
    height: 20px;
    position: relative;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.c-primary-nav__hamburger span {
    display: block;
    height: 2px;
    background: var(--nav-accent, #5900a8);
    border-radius: 1px;
    transform-origin: center;
    transition: transform var(--nav-transition), opacity var(--nav-transition);
}

/* Hamburger → X */
.c-primary-nav--open .c-primary-nav__hamburger span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}
.c-primary-nav--open .c-primary-nav__hamburger span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.c-primary-nav--open .c-primary-nav__hamburger span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ─── Screen‑reader only ─────────────────────────────────── */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0,0,0,0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* =========================================================
   DESKTOP  (≥ 1024px)
   ========================================================= */
@media (min-width: 1024px) {
    .c-primary-nav__toggle {
        display: none;
    }

    .c-primary-nav__overlay {
        display: none;
    }

    .c-primary-nav__menu-wrap {
        display: flex !important;
        align-items: stretch;
        flex: 1 1 auto;
        margin: 0 clamp(0.5rem, 1.5vw, 1rem);
        height: 100%;
        overflow: visible;
    }
    .c-primary-nav__menu-wrap[aria-hidden="true"] {
        display: flex !important;
    }

    .c-primary-nav__list {
        display: flex !important;
        align-items: stretch;
        list-style: none;
        margin: 0;
        padding: 0;
        height: 100%;
        gap: clamp(0.1rem, 0.8vw, 1rem);
        width: 100%;
        justify-content: center;
        flex-wrap: nowrap;
    }

    .c-primary-nav__item {
        position: static;
        display: flex;
        align-items: stretch;
    }

    .c-primary-nav__link {
        display: flex;
        align-items: center;
        gap: .35rem;
        padding: 0 clamp(0.1rem, 0.5vw, 0.8rem);
        color: var(--nav-text);
        font-size: clamp(0.7rem, 1.1vw, 1.1rem);
        font-weight: 500;                         /* bold top‑level items */
        text-decoration: none;
        background: transparent;
        border: none;
        cursor: pointer;
        white-space: nowrap;
        position: relative;
        transition: color var(--nav-transition);
    }

    .c-primary-nav__link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0.5rem;
        right: 0.5rem;
        height: 3px;
        background: var(--nav-accent, #5900a8);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform var(--nav-transition);
    }

    .c-primary-nav__item:hover > .c-primary-nav__link,
    .c-primary-nav__item--has-dropdown.is-dropdown-open > .c-primary-nav__link {
        color: var(--nav-accent, #5900a8);
    }

    .c-primary-nav__item:hover > .c-primary-nav__link::after,
    .c-primary-nav__item.is-current > .c-primary-nav__link::after,
    .c-primary-nav__item--has-dropdown.is-dropdown-open > .c-primary-nav__link::after {
        transform: scaleX(1);
    }

    .c-primary-nav__chevron {
        width: .75rem;
        height: .5rem;
        transition: transform var(--nav-transition);
        flex-shrink: 0;
    }

    .c-primary-nav__item--has-dropdown.is-dropdown-open .c-primary-nav__chevron {
        transform: rotate(180deg);
    }

    /* Dropdown */
    .c-primary-nav__dropdown {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--nav-dropdown-bg);
        border-top: 3px solid var(--nav-accent, #5900a8);
        box-shadow: 0 12px 40px rgba(0,0,0,.15);
        z-index: 500;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-8px);
        transition: opacity var(--nav-transition), transform var(--nav-transition);
    }

    .c-primary-nav__item--has-dropdown.is-dropdown-open .c-primary-nav__dropdown {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .c-primary-nav__dropdown-inner {
        display: flex;
        max-width: 1280px;
        margin: 0 auto;
        padding: 2.5rem 2rem;
        gap: 0;
    }

    .c-primary-nav__dropdown-cols {
        flex: 1;
        min-width: 0;
    }

    .c-primary-nav__sub-list {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: .25rem var(--nav-col-gap);
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .c-primary-nav__sub-item.col-1 { grid-column: 1; }
    .c-primary-nav__sub-item.col-2 { grid-column: 2; }
    .c-primary-nav__sub-item.col-3 { grid-column: 3; }

    .c-primary-nav__sub-item {
        display: flex;
    }

    .c-primary-nav__sub-link {
        display: flex;
        flex-direction: column;
        gap: .2rem;
        padding: .6rem .75rem;
        color: var(--nav-dropdown-text);
        text-decoration: none;
        border-radius: 4px;
        transition: background var(--nav-transition), color var(--nav-transition);
        width: 100%;
    }

    .c-primary-nav__sub-link:hover {
        background: var(--nav-dropdown-hover);
        color: #000;
    }

    .c-primary-nav__sub-link-title {
        font-size: clamp(0.9rem, 1.4vw, 1.2rem);
        font-weight: 500;
        line-height: 2;
        color: inherit;
    }

    .c-primary-nav__sub-link-desc {
        font-size: clamp(0.75rem, 1vw, 0.875rem);
        font-weight: 400;
        color: #666;
        line-height: 1.4;
    }

    .c-primary-nav__featured-item {
        list-style: none;
    }

    .c-primary-nav__featured-item.is-featured {
        grid-column: 1 / -1;
        border-top: 1px solid var(--nav-dropdown-border);
        margin-top: .75rem;
        padding-top: 1rem;
    }

    .c-primary-nav__featured-link {
        display: inline-flex;
        align-items: center;
        gap: 1rem;
        text-decoration: none;
        padding: .5rem .75rem;
        border-radius: 4px;
        transition: background var(--nav-transition);
    }

    .c-primary-nav__featured-link:hover {
        background: var(--nav-dropdown-hover);
    }

    .c-primary-nav__featured-title {
        font-size: clamp(1rem, 1.5vw, 1.125rem);
        font-weight: 500;
        color: var(--nav-dropdown-text);
    }

    .c-primary-nav__featured-desc {
        font-size: clamp(0.75rem, 1vw, 0.875rem);
        font-weight: 400;
        color: #555;
    }

    .c-primary-nav__featured-cta {
        font-size: clamp(0.75rem, 1vw, 0.875rem);
        font-weight: 700;
        color: #000;
        text-decoration: underline;
        white-space: nowrap;
    }

    /* ─── Donate button scaling (matches nav links) ──────── */
    .c-primary-nav__donate-btn.c-donate-btn {
        font-size: clamp(0.7rem, 1.1vw, 1.1rem);
        padding: clamp(0.2rem, 0.5vw, 0.6rem) clamp(0.5rem, 1.2vw, 1.2rem);
        gap: clamp(0.3rem, 0.6vw, 0.65rem);
    }

    /* Hide the mobile toggle button on desktop */
    .c-primary-nav__sub-toggle {
        display: none;
    }
}

/* =========================================================
   MOBILE  (< 1024px)
   ========================================================= */
@media (max-width: 1023px) {
    .c-primary-nav__inner {
        flex-wrap: wrap;
        height: auto;
        min-height: var(--nav-height);
        padding: 0.5rem 1rem;
    }

    .c-primary-nav__menu-wrap {
        display: block;
        position: fixed;
        top: calc(var(--top-bar-height, 2.5rem) + var(--nav-height));
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--nav-bg);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        z-index: calc(var(--nav-z) - 1);
        transform: translateX(-100%);
        transition: transform var(--nav-transition);
    }

    .c-primary-nav--open .c-primary-nav__menu-wrap {
        transform: translateX(0);
    }

    .c-primary-nav__list {
        list-style: none;
        margin: 0;
        padding: 1rem 0 6rem;
    }

    .c-primary-nav__item {
        border-bottom: 1px solid var(--nav-border);
    }

    .c-primary-nav__link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 1rem 1.25rem;
        color: var(--nav-text);
        font-size: 1.0625rem;
        font-weight: 500;
        text-decoration: none;
        background: transparent;
        border: none;
        cursor: pointer;
    }

    .c-primary-nav__link:hover,
    .c-primary-nav__link:focus {
        background: rgba(255,255,255,.06);
        color: var(--nav-accent, #5900a8);
    }

    .c-primary-nav__chevron {
        width: .75rem;
        height: .5rem;
        transition: transform var(--nav-transition);
        flex-shrink: 0;
    }

    .c-primary-nav__item--has-dropdown.is-dropdown-open .c-primary-nav__chevron {
        transform: rotate(180deg);
    }

    .c-primary-nav__dropdown {
        position: static;
        background: var(--nav-accent-hover, #6778a9);
        border-left: 3px solid var(--nav-accent, #5900a8);
        margin: 0;
        overflow: hidden;
        max-height: 0;
        transition: max-height var(--nav-transition);
    }

    .c-primary-nav__item--has-dropdown.is-dropdown-open .c-primary-nav__dropdown {
        max-height: 2000px;
    }

    .c-primary-nav__dropdown-inner {
        padding: .5rem 0 .5rem 1rem;
    }

    .c-primary-nav__dropdown-cols {
        width: 100%;
    }

    .c-primary-nav__sub-list {
        display: block;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .c-primary-nav__sub-link {
        display: flex;
        flex-direction: column;
        padding: .75rem 1.25rem;
        text-decoration: none;
        color: rgba(0,0,0,.8);
        transition: color var(--nav-transition), background var(--nav-transition);
    }

    .c-primary-nav__sub-link:hover {
        background: rgba(255,255,255,.06);
        color: var(--nav-accent-hover, #6778a9);
    }

    .c-primary-nav__sub-link-title {
        font-size: .9375rem;
        font-weight: 500;
    }

    .c-primary-nav__sub-link-desc {
        font-size: .8125rem;
        color: rgba(255,255,255,.5);
        margin-top: .15rem;
    }

    .c-primary-nav__featured-item.is-featured {
        border-top: 1px solid var(--nav-border);
        margin-top: .5rem;
    }

    .c-primary-nav__featured-link {
        display: flex;
        flex-direction: column;
        padding: .75rem 1.25rem;
        text-decoration: none;
        gap: .25rem;
    }

    .c-primary-nav__featured-title {
        font-size: .9375rem;
        font-weight: 700;
        color: var(--nav-accent, #5900a8);
    }

    .c-primary-nav__featured-desc,
    .c-primary-nav__featured-cta {
        display: none;
    }

    .c-primary-nav__overlay {
        position: fixed;
        top: calc(var(--top-bar-height, 2.5rem) + var(--nav-height));
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,.5);
        z-index: calc(var(--nav-z) - 2);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--nav-transition);
    }

    .c-primary-nav--open .c-primary-nav__overlay {
        opacity: 1;
        pointer-events: auto;
    }

    body.no-scroll {
        overflow: hidden;
    }

    /* Hide donate button on mobile */
    .c-primary-nav__donate-btn {
        display: none;
    }

    /* Mobile toggle button */
    .c-primary-nav__sub-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        background: transparent;
        border: none;
        cursor: pointer;
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
        color: var(--nav-text);
        z-index: 2;
    }

    .c-primary-nav__sub-toggle svg {
        width: 12px;
        height: 8px;
        transition: transform var(--nav-transition);
    }

    /* Rotate chevron when open */
    .c-primary-nav__item--has-dropdown.is-dropdown-open .c-primary-nav__sub-toggle svg {
        transform: rotate(180deg);
    }

    /* Make room for the toggle */
    .c-primary-nav__item--has-dropdown .c-primary-nav__link {
        padding-right: 4rem;
    }

    /* Hide the chevron that’s inside the link (we use the toggle button instead) */
    .c-primary-nav__link .c-primary-nav__chevron {
        display: none;
    }
}

/* ─── Global overrides (outside media queries) ───────────── */
header .c-primary-nav .c-primary-nav__item:hover,
header .c-primary-nav .c-primary-nav__item--has-dropdown:hover,
header .c-primary-nav .c-primary-nav__item:focus-within,
header .c-primary-nav .c-primary-nav__link:hover {
    background-color: transparent !important;
}

.c-primary-nav__link:focus,
.c-primary-nav__sub-toggle:focus {
    background-color: transparent !important;
    color: var(--nav-accent-hover, #6778a9) !important;
    outline: none;
}

.c-primary-nav__link:focus-visible,
.c-primary-nav__sub-toggle:focus-visible {
    box-shadow: inset 0 0 0 2px var(--nav-accent, #5900a8);
    color: var(--nav-accent-hover, #6778a9) !important;
}

.c-primary-nav__toggle:hover,
.c-primary-nav__toggle:focus {
    background-color: transparent !important;
    outline: none;
}

.c-primary-nav__toggle:hover .c-primary-nav__hamburger span {
    background-color: var(--nav-accent, #5900a8);
}

.c-primary-nav__toggle:focus-visible {
    outline: 2px solid var(--nav-accent, #5900a8);
    outline-offset: 2px;
}

.c-primary-nav__icon {
    width: 24px;
    height: auto;
    flex-shrink: 0;
}

/* Keep nav links as flex containers */
.c-primary-nav__link {
    display: flex !important;
    align-items: center !important;
    width: 100%;
}