/*
 * Floating site navigation
 * Kept separate and loaded last so hosting/browser cache cannot mix the new
 * navigation markup with an older navigation stylesheet.
 */
.site-header {
    --nav-top-offset: 2rem;
    position: fixed !important;
    top: var(--nav-top-offset) !important;
    right: 0 !important;
    left: 0 !important;
    z-index: 1000 !important;
    width: 100% !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    pointer-events: none;
    backdrop-filter: none !important;
    transform: translate3d(0, 0, 0);
    opacity: 1;
    transition: transform 320ms cubic-bezier(0.22, 0.8, 0.24, 1), opacity 220ms ease !important;
    will-change: transform;
}

.site-header.is-hidden {
    opacity: 0;
    transform: translate3d(0, calc(-100% - var(--nav-top-offset)), 0);
    pointer-events: none;
}

.site-header.is-scrolled {
    top: var(--nav-top-offset) !important;
    padding: 0 !important;
    background: transparent !important;
}

.site-header .nav-shell {
    position: relative;
    display: flex;
    width: min(calc(100% - 2rem), var(--container)) !important;
    height: 4.75rem !important;
    min-height: 4.75rem !important;
    align-items: center;
    margin: 0 auto !important;
    padding: 0 0.75rem 0 1.75rem !important;
    overflow: visible;
    border: 0 !important;
    border-right: 1px solid rgba(255, 228, 255, 0.15) !important;
    border-left: 1px solid rgba(255, 228, 255, 0.15) !important;
    border-radius: 0 !important;
    background: rgba(8, 12, 33, 0.4) !important;
    box-shadow: none !important;
    pointer-events: auto;
    -webkit-backdrop-filter: blur(20px) !important;
    backdrop-filter: blur(20px) !important;
    animation: nav-shell-enter 760ms cubic-bezier(0.22, 0.8, 0.24, 1) both;
}

.site-header .nav-shell::before,
.site-header .nav-shell::after {
    position: absolute;
    right: -1rem;
    left: -1rem;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 228, 255, 0.15) 8%, rgba(255, 228, 255, 0.15) 92%, transparent);
    pointer-events: none;
    content: "";
}

.site-header .nav-shell::before { top: 0; }
.site-header .nav-shell::after { bottom: 0; }

@keyframes nav-shell-enter {
    from { opacity: 0; transform: translateY(-1rem); }
    to { opacity: 1; transform: translateY(0); }
}

.site-header.is-scrolled .nav-shell {
    height: 4.75rem !important;
    min-height: 4.75rem !important;
    border-right-color: rgba(255, 228, 255, 0.15) !important;
    border-left-color: rgba(255, 228, 255, 0.15) !important;
    background: rgba(8, 12, 33, 0.4) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    backdrop-filter: blur(20px) !important;
    box-shadow: none !important;
}

.site-header .brand {
    position: relative;
    flex: 0 0 auto;
    margin-right: 2.5rem;
    transition: color 250ms ease, text-shadow 250ms ease;
}

.site-header .brand:hover {
    color: white;
    text-shadow: 0 0 1.4rem oklch(100% 0 0 / 0.35);
}

.site-header .primary-nav {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.2rem;
    margin: 0 auto;
}

.site-header .nav-menu-item {
    position: relative;
    isolation: isolate;
    color: oklch(96% 0.01 260 / 0.88);
}

.site-header .nav-group {
    display: flex;
    align-items: center;
}

.site-header .nav-menu-item::before {
    position: absolute;
    top: -1rem;
    left: 50%;
    z-index: -1;
    width: 15.625rem;
    height: 4.75rem;
    opacity: 0;
    background:
        radial-gradient(ellipse at 50% 100%, oklch(63% 0.24 350 / 0.54) 0%, oklch(56% 0.22 325 / 0.2) 34%, transparent 70%);
    filter: blur(0.1px);
    pointer-events: none;
    transform: translateX(-50%);
    transition: opacity 500ms ease;
    content: "";
}

/* A single shared indicator moves between menu items. */
.site-header .nav-menu-item::before,
.site-header .nav-menu-item:not(.nav-group)::after {
    display: none;
}

.site-header .nav-hover-indicator {
    position: absolute;
    bottom: -1rem;
    left: 0;
    z-index: 0;
    display: block;
    width: var(--indicator-width, 0px);
    height: 2px;
    visibility: hidden;
    opacity: 0;
    border-radius: 999px;
    background: linear-gradient(90deg, transparent, oklch(73% 0.2 345 / 0.68), var(--color-pink), oklch(73% 0.2 345 / 0.68), transparent);
    box-shadow: 0 -0.45rem 1.65rem 0.45rem oklch(65% 0.22 345 / 0.34);
    pointer-events: none;
    transform: translate3d(var(--indicator-x, 0px), 0, 0);
    transition:
        transform 420ms cubic-bezier(0.22, 0.8, 0.24, 1),
        width 420ms cubic-bezier(0.22, 0.8, 0.24, 1),
        opacity 220ms ease,
        visibility 220ms;
    will-change: transform, width;
}

.site-header .nav-hover-indicator::before {
    position: absolute;
    bottom: -1px;
    left: 50%;
    width: 15.625rem;
    height: 4.75rem;
    background: radial-gradient(ellipse at 50% 100%, oklch(63% 0.24 350 / 0.54) 0%, oklch(56% 0.22 325 / 0.2) 34%, transparent 70%);
    pointer-events: none;
    transform: translateX(-50%);
    content: "";
}

.site-header .nav-hover-indicator.is-visible {
    visibility: visible;
    opacity: 1;
}

.site-header .nav-menu-item:hover::before,
.site-header .nav-menu-item:focus-within::before,
.site-header .nav-menu-item.is-current::before {
    opacity: 1;
}

.site-header .primary-nav > a,
.site-header .nav-section-link,
.site-header .nav-trigger {
    position: relative;
    z-index: 1;
    min-height: 2.75rem;
    padding: 0 0.9rem;
    border: 0;
    border-radius: 0.65rem;
    background: transparent;
    color: inherit;
    font-size: 0.84rem;
    font-weight: 600;
    transition: color 180ms ease, background 180ms ease;
}

.site-header .nav-section-link {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    padding: 0 0.2rem 0 0.9rem;
}

.site-header .nav-group > .nav-trigger {
    display: inline-grid;
    width: 2rem;
    min-height: 2.75rem;
    place-items: center;
    padding: 0 0.65rem 0 0.2rem;
    cursor: pointer;
}

.site-header .primary-nav > a:hover,
.site-header .nav-section-link:hover,
.site-header .nav-trigger:hover,
.site-header .nav-trigger[aria-expanded="true"],
.site-header .nav-menu-item.is-current > .nav-section-link,
.site-header .nav-menu-item.is-current > .nav-trigger,
.site-header .nav-menu-item.is-current:not(.nav-group) {
    background: transparent !important;
    color: white;
}

.site-header .nav-menu-item::after {
    right: 0.8rem;
    bottom: -1rem;
    left: 0.8rem;
    height: 2px;
    background: linear-gradient(90deg, transparent, oklch(73% 0.2 345 / 0.65), var(--color-pink), oklch(73% 0.2 345 / 0.65), transparent);
    box-shadow: 0 -0.45rem 1.65rem 0.45rem oklch(65% 0.22 345 / 0.34);
    transition: opacity 500ms ease, transform 300ms ease;
}

.site-header .nav-menu-item:hover::after,
.site-header .nav-menu-item:focus-within::after,
.site-header .nav-menu-item.is-current::after {
    opacity: 1;
    transform: scaleX(1);
}

/* Keeps the pointer inside the menu group while crossing the visual gap. */
.site-header .primary-nav > .nav-group::after {
    position: absolute;
    top: 100%;
    right: 0;
    bottom: auto;
    left: 0;
    z-index: 2;
    display: block;
    width: auto;
    height: 1.5rem;
    opacity: 1;
    background: transparent;
    box-shadow: none;
    pointer-events: auto;
    transform: none;
    content: "";
}

.site-header .caret {
    border-color: #f472b6;
    transition: transform 300ms ease;
}

.site-header .nav-group:hover > .nav-trigger .caret,
.site-header .nav-group:focus-within > .nav-trigger .caret,
.site-header .nav-trigger[aria-expanded="true"] .caret {
    transform: rotate(-135deg) translateY(-1px);
}

.site-header .nav-actions {
    display: flex !important;
    flex: 0 0 auto;
    align-items: center;
    gap: 0.65rem;
    margin-left: 2rem;
}

.site-header .language-menu {
    position: relative;
}

.site-header .language-menu::after {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    height: 1rem;
    content: "";
}

.site-header button.language-trigger {
    display: inline-flex !important;
    min-width: 5.1rem;
    min-height: 2.8rem;
    appearance: none !important;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0 0.75rem !important;
    border: 1px solid oklch(48% 0.09 300 / 0.42) !important;
    border-radius: 5px !important;
    outline: 0;
    background: oklch(20% 0.04 286 / 0.72) !important;
    box-shadow: inset 0 1px 0 oklch(100% 0 0 / 0.035);
    color: var(--color-text) !important;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.76rem;
    font-weight: 700;
    line-height: 1;
    transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.site-header button.language-trigger:hover,
.site-header button.language-trigger[aria-expanded="true"] {
    border-color: oklch(70% 0.18 335 / 0.75) !important;
    background: oklch(29% 0.07 300 / 0.88) !important;
    box-shadow: 0 0 1.8rem -0.9rem var(--color-pink), inset 0 1px 0 oklch(100% 0 0 / 0.05);
}

.site-header .language-trigger svg {
    display: block !important;
    width: 1rem;
    height: 1rem;
    flex: 0 0 auto;
    fill: none !important;
    stroke: currentColor !important;
    stroke-width: 1.6;
}

.site-header .language-trigger .caret {
    width: 0.38rem;
    height: 0.38rem;
    margin: -0.18rem 0 0 0.08rem;
}

.site-header .language-dropdown {
    top: calc(100% + 0.75rem) !important;
    right: 0 !important;
    left: auto !important;
    display: grid;
    min-width: 10.75rem !important;
    gap: 0.15rem;
    padding: 0.45rem !important;
    overflow: hidden;
    border: 1px solid rgba(255, 228, 255, 0.15) !important;
    border-radius: 12px !important;
    background: #080c21 !important;
    -webkit-backdrop-filter: blur(20px) !important;
    backdrop-filter: blur(20px) !important;
    box-shadow: 0 1.8rem 4.5rem -1.4rem black !important;
}

.site-header .dropdown {
    opacity: 0 !important;
    border-color: rgba(255, 228, 255, 0.15) !important;
    border-radius: 12px !important;
    background: #080c21 !important;
    -webkit-backdrop-filter: blur(20px) !important;
    backdrop-filter: blur(20px) !important;
    clip-path: inset(0 0 100% 0 round 12px);
    transform: translateY(0.65rem) scale(0.985) !important;
    transform-origin: top center;
    transition:
        opacity 500ms ease,
        clip-path 320ms cubic-bezier(0.22, 0.8, 0.24, 1),
        transform 300ms cubic-bezier(0.22, 0.8, 0.24, 1),
        visibility 500ms !important;
}

.site-header .dropdown::before {
    position: absolute;
    top: -1rem;
    right: 0;
    left: 0;
    height: 1rem;
    content: "";
}

.site-header .nav-group:hover > .dropdown,
.site-header .nav-group:focus-within > .dropdown,
.site-header .nav-trigger[aria-expanded="true"] + .dropdown,
.site-header .language-trigger[aria-expanded="true"] + .dropdown {
    visibility: visible !important;
    opacity: 1 !important;
    clip-path: inset(0 0 0 0 round 12px);
    transform: translateY(0) scale(1) !important;
}

.site-header .language-dropdown a {
    display: flex !important;
    min-height: 2.7rem;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.6rem !important;
    border-radius: 6px;
    color: var(--color-muted);
    font-size: 0.82rem;
    font-weight: 600;
}

.site-header .primary-nav .dropdown a {
    position: relative;
    padding: 0.62rem 0.85rem !important;
    border-radius: 6px !important;
    background: transparent !important;
    color: oklch(94% 0.01 270 / 0.84);
    transition: color 500ms ease, padding-left 300ms ease;
}

.site-header .primary-nav .dropdown a::before {
    position: absolute;
    top: 50%;
    left: 0.2rem;
    width: 0;
    height: 1px;
    opacity: 0;
    background: var(--color-pink);
    transform: translateY(-50%);
    transition: width 300ms ease, opacity 300ms ease;
    content: "";
}

.site-header .primary-nav .dropdown a:hover,
.site-header .primary-nav .dropdown a[aria-current="page"] {
    padding-left: 1.25rem !important;
    background: transparent !important;
    color: white !important;
}

.site-header .primary-nav .dropdown a:hover::before,
.site-header .primary-nav .dropdown a[aria-current="page"]::before {
    width: 0.55rem;
    opacity: 1;
}

.site-header .language-dropdown a:hover,
.site-header .language-dropdown a.is-selected {
    background: linear-gradient(100deg, oklch(30% 0.07 300 / 0.58), oklch(24% 0.05 280 / 0.5)) !important;
    color: var(--color-text) !important;
}

.site-header .language-dropdown a > span {
    display: grid;
    width: 2rem;
    height: 1.65rem;
    place-items: center;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-subtle);
    font-family: var(--font-mono);
    font-size: 0.62rem;
}

.site-header .language-dropdown a.is-selected > span {
    border-color: var(--color-pink);
    color: var(--color-pink);
}

.site-header .header-cta {
    min-height: 2.8rem;
    padding: 0 1.2rem;
    white-space: nowrap;
    border-radius: 2px;
    transition: border-radius 400ms cubic-bezier(0.4, 0.03, 0.685, 0.22), transform 180ms ease, box-shadow 180ms ease;
}

.site-header .header-cta:hover {
    border-radius: 18px;
}

@media (min-width: 981px) {
    /* Desktop uses one shared panel that travels between menu items. */
    .site-header .primary-nav > .nav-group > [data-nav-dropdown-source] {
        display: none !important;
    }

    .site-header .nav-shared-dropdown {
        position: absolute;
        top: calc(100% + 1.5rem);
        left: 0;
        z-index: 200;
        display: block;
        width: var(--shared-dropdown-width, 15rem);
        padding: 0.8rem;
        visibility: hidden;
        opacity: 0;
        border: 1px solid rgba(255, 228, 255, 0.15);
        border-radius: 12px;
        background: #080c21;
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        box-shadow: 0 1.8rem 4.5rem -1.4rem black;
        pointer-events: none;
        transform: translate3d(var(--shared-dropdown-x, 0px), 0.65rem, 0) scale(0.985);
        transform-origin: top center;
        transition:
            transform 420ms cubic-bezier(0.22, 0.8, 0.24, 1),
            width 420ms cubic-bezier(0.22, 0.8, 0.24, 1),
            opacity 260ms ease,
            visibility 260ms;
        will-change: transform, width;
    }

    .site-header .nav-shared-dropdown::before {
        position: absolute;
        top: -1.55rem;
        right: 0;
        left: 0;
        height: 1.55rem;
        content: "";
    }

    .site-header .nav-shared-dropdown.is-open {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        transform: translate3d(var(--shared-dropdown-x, 0px), 0, 0) scale(1);
    }

    .site-header .nav-shared-dropdown-content {
        display: grid;
        gap: 0.1rem;
        opacity: 1;
        transform: translateY(0);
        transition: opacity 140ms ease, transform 180ms ease;
    }

    .site-header .nav-shared-dropdown.is-switching .nav-shared-dropdown-content {
        opacity: 0;
        transform: translateY(0.3rem);
    }

    .site-header .nav-shared-dropdown a {
        position: relative;
        display: block;
        padding: 0.62rem 0.85rem;
        border-radius: 6px;
        background: transparent;
        color: oklch(94% 0.01 270 / 0.84);
        font-size: 0.84rem;
        font-weight: 600;
        transition: color 500ms ease, padding-left 300ms ease;
    }

    .site-header .nav-shared-dropdown a::before {
        position: absolute;
        top: 50%;
        left: 0.2rem;
        width: 0;
        height: 1px;
        opacity: 0;
        background: var(--color-pink);
        transform: translateY(-50%);
        transition: width 300ms ease, opacity 300ms ease;
        content: "";
    }

    .site-header .nav-shared-dropdown a:hover,
    .site-header .nav-shared-dropdown a[aria-current="page"] {
        padding-left: 1.25rem;
        color: white;
    }

    .site-header .nav-shared-dropdown a:hover::before,
    .site-header .nav-shared-dropdown a[aria-current="page"]::before {
        width: 0.55rem;
        opacity: 1;
    }
}

@media (max-width: 980px) {
    .site-header { --nav-top-offset: 0rem; top: 0 !important; }
    .site-header.is-scrolled { top: var(--nav-top-offset) !important; }
    .site-header .nav-shell {
        width: min(calc(100% - 1.5rem), var(--container)) !important;
        height: 4.2rem !important;
        min-height: 4.2rem !important;
        padding: 0 0.65rem 0 1.1rem !important;
        background: #080c21 !important;
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
    }
    .site-header.is-scrolled .nav-shell {
        height: 4.2rem !important;
        min-height: 4.2rem !important;
        background: #080c21 !important;
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
    }
    .site-header .brand { margin-right: auto; }
    .site-header .menu-toggle { display: grid; order: 4; margin-left: 0.45rem; }
    .site-header .primary-nav { position: fixed; top: 5.85rem; right: 0.75rem; left: 0.75rem; display: none; align-items: stretch; margin: 0; padding: 1rem; border: 1px solid var(--color-border); border-radius: 1rem; background: oklch(13% 0.03 274 / 0.99); box-shadow: 0 2rem 5rem -1.5rem black; }
    .site-header.is-scrolled .primary-nav { top: 5.1rem; }
    .site-header .primary-nav.is-open { display: grid; }
    .site-header .nav-shared-dropdown { display: none; }
    .site-header .nav-hover-indicator { display: none; }
    .site-header .primary-nav > .nav-group::after { display: none; }
    .site-header .primary-nav > a { width: 100%; justify-content: flex-start; }
    .site-header .nav-group { display: grid; grid-template-columns: minmax(0, 1fr) 2.75rem; }
    .site-header .nav-section-link { width: 100%; min-height: 2.75rem; padding: 0 0.9rem; }
    .site-header .nav-group > .nav-trigger { width: 2.75rem; padding: 0; justify-content: center; }
    .site-header .nav-group > .dropdown { grid-column: 1 / -1; }
    .site-header .primary-nav .dropdown { position: static; display: none; visibility: visible; margin: 0.3rem 0 0.6rem; opacity: 1; transform: none; }
    .site-header .dropdown,
    .site-header .language-dropdown {
        background: #080c21 !important;
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
    }
    .site-header .primary-nav .nav-trigger[aria-expanded="true"] + .dropdown { display: grid; }
    .site-header .nav-actions { margin-left: auto; }
    .site-header .header-cta { display: none; }
}

@media (max-width: 560px) {
    .site-header button.language-trigger { min-width: 3.7rem; padding: 0 0.6rem !important; }
    .site-header .language-trigger svg { display: none !important; }
    .site-header .language-dropdown { right: 0 !important; }
}