/* _navigation.css — Primary nav, mobile nav, mega menu
   BEM: .nav, .nav__item, .nav__link, .nav__dropdown, .nav--mobile
   ============================================================================ */

/* ── Site header wrapper ─────────────────────────────────────────────────── */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-nav);
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: background-color var(--transition-base),
                border-color var(--transition-base),
                box-shadow var(--transition-base);
}

.site-header.is-scrolled {
    background-color: var(--nav-bg-scrolled);
    border-bottom-color: var(--color-border);
    box-shadow: 0 2px 16px rgba(25, 6, 45, 0.08);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    padding-inline: var(--space-6);
    max-width: var(--container-max);
    margin-inline: auto;
}

/* ── Logo ─────────────────────────────────────────────────────────────── */

.site-header__logo {
    flex-shrink: 0;
}

.site-header__logo-text {
    color: var(--color-text);
}

.site-header__logo img {
    /* height: 48px; */
    width: auto;
}

/* ── Nav + CTA group — one right-aligned cluster (Figma: logo left, this
   group right; nav links + button share the group, not spread across the
   full header width) ─────────────────────────────────────────────────────── */

.site-header__nav-group {
    display: flex;
    align-items: center;
    gap: var(--space-4); /* ~18px per Figma, button-adjacent gap */
}

/* ── Primary nav ─────────────────────────────────────────────────────────── */

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.nav__item {
    position: relative;
}

.nav__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.01em;
    border-radius: var(--radius-pill);
    transition: color var(--transition-fast),
                background-color var(--transition-fast);
}

.nav__link:hover,
.nav__link:focus-visible,
.nav__item.current-menu-item > .nav__link,
.nav__item.current-menu-ancestor > .nav__link {
    color: var(--color-accent);
    background-color: color-mix(in srgb, var(--color-primary) 6%, transparent);
    text-decoration: none;
}

/* Chevron for items with children */
.nav__item.menu-item-has-children > .nav__link::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    -webkit-mask-image: url('/wp-content/themes/speire-base/assets/img/chevron_down.svg');
    mask-image: url('/wp-content/themes/speire-base/assets/img/chevron_down.svg');
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    background-color: currentColor;
    transition: transform var(--transition-fast);
}

.nav__item.menu-item-has-children:hover > .nav__link::after {
    transform: rotate(180deg);
}

/* ── Dropdown ────────────────────────────────────────────────────────────── */

.nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    /* Always fully opaque — independent of the header's own translucency,
       so dropdown items stay legible over whatever's behind the header. */
    background: var(--nav-dropdown-bg);
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: 0 12px 28px rgba(25, 6, 45, 0.12);
    padding: var(--space-2) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity var(--transition-base),
                visibility var(--transition-base),
                transform var(--transition-base);
    z-index: var(--z-dropdown);
    overflow: visible;
}

.nav__dropdown,
.nav__dropdown li {
    list-style: none;
}

.nav__item:hover > .nav__dropdown,
.nav__item:focus-within > .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav__dropdown .nav__link {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-5);
    font-weight: 400;
    color: var(--color-text);
    border-radius: 0;
    white-space: nowrap;
}

.nav__dropdown .nav__link:hover,
.nav__dropdown .nav__link:focus-visible {
    color: var(--color-accent);
    background-color: color-mix(in srgb, var(--color-primary) 6%, transparent);
}

/* ── Nested dropdown (sub-sub menu) — flies out to the right ─────────────── */
.nav__dropdown .nav__dropdown {
    top: -1px;
    left: 100%;
    border-top: 1px solid var(--color-border);
    border-radius: var(--radius);
}

/* Point the parent-item chevron sideways at this level */
.nav__dropdown .nav__item.menu-item-has-children > .nav__link::after,
.nav__dropdown .nav__item.menu-item-has-children:hover > .nav__link::after {
    transform: rotate(-90deg);
    margin-left: auto;
}

/* ── CTA (persistent) ──────────────────────────────────────────────────── */

.nav__cta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;

    .btn {
        padding: var(--space-3) var(--space-6);
    }

    .btn--outline {
        border-color: var(--light-border);
    }
}

/* Mobile nav CTAs — stacked, pinned to the bottom of the overlay */
.nav--mobile__cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: auto;
    padding-top: var(--space-8);
}

/* ── Mobile nav ──────────────────────────────────────────────────────────── */

.nav--mobile {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--color-white);
    z-index: var(--z-modal);
    flex-direction: column;
    overflow-y: auto;
    padding: var(--space-6);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}

.nav--mobile.is-open {
    display: flex;
    transform: translateX(0);
}

.nav--mobile .nav__link {
    font-size: var(--text-md);
    padding: var(--space-4) 0;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
    width: 100%;
}

.nav--mobile .nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: var(--space-4);
    background: transparent;
}

/* Hamburger toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 22px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

.nav-toggle__bar {
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: var(--radius-pill);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(1) { transform: translateY(2px) rotate(45deg) !important; }
.nav-toggle.is-active .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle.is-active .nav-toggle__bar:nth-child(3) { transform: translateY(-2px) rotate(-45deg)!important; }

@media (max-width: 1024px) {
    .site-header__nav-group { display: none; } /* desktop nav + CTA hidden; mobile overlay has its own */
    .nav-toggle { display: flex; }
    .nav--mobile .nav { display: block!important; margin-top: 20px!important;}
}

@media (max-width: 768px) {
    .site-header__inner {
        padding-inline: var(--space-4);
        height: var(--nav-height-sm);
    }
}