/* Lead Bird site header: utility bar + sticky main nav with mega menus */

.site-util-bar,
.site-nav {
    --site-ink: var(--brand-black);
    --site-ink-soft: color-mix(in srgb, var(--brand-black) 66%, var(--brand-white));
    --site-muted: color-mix(in srgb, var(--brand-black) 55%, var(--brand-white));
    --site-line: color-mix(in srgb, var(--brand-black) 10%, var(--brand-white));
    --site-maxw: 1180px;
    --site-shadow: 0 1px 3px rgb(0 26 153 / 0.08), 0 40px 80px -30px rgb(0 26 153 / 0.3);
    font-family: var(--brand-font-body);
    letter-spacing: -0.012em;
    -webkit-font-smoothing: antialiased;
}

.site-util-bar a,
.site-nav a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s;
}

.site-menu-trigger {
    background: none;
    border: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    cursor: pointer;
}

/* ---------- Utility bar ---------- */
.site-util-bar {
    position: relative;
    z-index: 70;
    width: 100%;
    background: var(--brand-black);
    font-size: 0.82rem;
}

.site-util-inner {
    max-width: var(--site-maxw);
    margin: 0 auto;
    padding: 0 24px;
    height: 38px;
    display: flex;
    align-items: center;
    gap: 22px;
}

.site-util-bar a,
.site-util-bar .site-menu-trigger,
.site-lang {
    color: color-mix(in srgb, var(--brand-white) 78%, var(--brand-black));
    font-weight: 600;
    white-space: nowrap;
}

.site-util-bar a:hover,
.site-util-bar .site-menu-trigger:hover {
    color: var(--brand-white);
}

.site-util-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 22px;
}

.site-util-bar .site-login {
    color: var(--brand-white);
    font-weight: 700;
}

.site-util-bar .site-login:hover {
    color: var(--brand-lime);
}

.site-lang {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.site-lang svg {
    width: 15px;
    height: 15px;
}

.site-util-bar .site-has-menu > .site-menu-trigger::after {
    width: 5px;
    height: 5px;
    border-width: 0 1.5px 1.5px 0;
    margin-top: -2px;
}

.site-util-bar .site-mega {
    padding: 12px;
    border-radius: 12px;
    margin-top: 14px;
}

.site-util-bar .site-mega::before {
    top: -14px;
    height: 14px;
}

.site-util-menu {
    display: flex;
    flex-direction: column;
    min-width: 210px;
}

.site-util-bar .site-util-menu a {
    display: block;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--site-ink);
    padding: 8px 10px;
    border-radius: 8px;
}

.site-util-bar .site-util-menu a:hover {
    background: var(--brand-surface);
    color: var(--brand-blue);
}

/* ---------- Main nav ---------- */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 60;
    width: 100%;
    background: var(--brand-white);
    border-bottom: 1px solid transparent;
    color: var(--site-ink);
    transition: border-color 0.25s, box-shadow 0.25s;
}

.site-nav.is-scrolled {
    border-bottom-color: var(--site-line);
    box-shadow: 0 6px 24px -18px rgb(0 26 153 / 0.45);
}

/* Homepage: see-through over the blue hero until the nav sticks */
.site-nav--overlay {
    transition: background-color 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) {
    background: transparent;
}

.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-nav-links > a,
.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-nav-links > .site-has-menu > .site-menu-trigger,
.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-menu-toggle {
    color: var(--brand-white);
}

.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-nav-links > a:hover,
.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-nav-links > a[aria-current="page"],
.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-nav-links > .site-has-menu > .site-menu-trigger:hover {
    color: var(--brand-lime);
}

.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-nav-links > a::before,
.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-nav-links > .site-has-menu > .site-menu-trigger::before {
    background: var(--brand-lime);
}

.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-btn-outline {
    background: transparent;
    color: var(--brand-white);
    border-color: rgb(255 255 255 / 0.55);
    box-shadow: none;
}

.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-btn-outline:hover {
    border-color: var(--brand-lime);
    color: var(--brand-lime);
    box-shadow: none;
}

.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-btn-primary {
    background: var(--brand-lime);
    border-color: var(--brand-lime);
    color: var(--brand-black);
    box-shadow: 0 10px 24px -12px var(--brand-lime-shadow-strong);
}

.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-btn-primary:hover {
    background: var(--brand-lime-hover);
    border-color: var(--brand-lime-hover);
    color: var(--brand-black);
}

.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-btn:focus-visible,
.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) a:focus-visible,
.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-menu-trigger:focus-visible,
.site-nav--overlay:not(.is-scrolled):not(.is-menu-open) .site-menu-toggle:focus-visible {
    outline-color: var(--brand-lime);
}

.site-nav-inner {
    display: flex;
    align-items: center;
    gap: 34px;
    height: 72px;
    max-width: var(--site-maxw);
    margin: 0 auto;
    padding: 0 24px;
}

.site-nav-logo-link {
    display: inline-flex;
    flex-shrink: 0;
}

.site-nav-logo {
    height: 48px;
    width: auto;
    display: block;
}

.site-nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-inline: auto;
    font-weight: 600;
    font-size: 0.97rem;
    color: var(--site-ink);
}

.site-nav-links > a,
.site-nav-links .site-has-menu > .site-menu-trigger {
    position: relative;
}

.site-nav-links > a:hover,
.site-nav-links .site-menu-trigger:hover {
    color: var(--brand-blue);
}

.site-nav-links > a[aria-current="page"] {
    color: var(--brand-blue);
}

.site-nav-links > a::before,
.site-nav-links .site-has-menu > .site-menu-trigger::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -6px;
    height: 2px;
    background: var(--brand-blue);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.2s;
}

.site-nav-links > a:hover::before,
.site-nav-links > a[aria-current="page"]::before,
.site-nav-links .site-has-menu:hover > .site-menu-trigger::before,
.site-nav-links .site-has-menu:focus-within > .site-menu-trigger::before {
    transform: scaleX(1);
}

/* ---------- Dropdown menus ---------- */
.site-has-menu {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.site-has-menu > .site-menu-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.site-has-menu > .site-menu-trigger::after {
    content: "";
    width: 6px;
    height: 6px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-top: -3px;
    opacity: 0.55;
    transition: transform 0.2s;
}

.site-has-menu:hover > .site-menu-trigger::after,
.site-has-menu:focus-within > .site-menu-trigger::after {
    transform: rotate(-135deg);
    margin-top: 3px;
    opacity: 0.85;
}

.site-mega {
    position: absolute;
    top: 100%;
    left: 0;
    transform: translateY(10px);
    background: var(--brand-white);
    border: 1px solid var(--site-line);
    border-radius: 16px;
    box-shadow: var(--site-shadow);
    padding: 22px 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.16s, transform 0.16s, visibility 0.16s;
    z-index: 80;
    margin-top: 18px;
}

.site-mega::before {
    content: "";
    position: absolute;
    top: -22px;
    left: 0;
    right: 0;
    height: 22px;
}

.site-has-menu:hover > .site-mega,
.site-has-menu:focus-within > .site-mega {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.site-mega-cols {
    display: flex;
    gap: 26px;
}

.site-mega-col {
    min-width: 184px;
}

.site-mega-col h6 {
    font-family: var(--brand-font-body);
    font-size: 0.68rem;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--site-muted);
    margin: 0 0 10px;
    font-weight: 700;
}

.site-mega-col a {
    display: block;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--site-ink);
    padding: 8px 0;
    white-space: nowrap;
}

.site-mega-col a span {
    display: block;
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--site-ink-soft);
    margin-top: 2px;
    max-width: 200px;
    white-space: normal;
}

.site-mega-col a:hover {
    color: var(--brand-blue);
}

/* ---------- Buttons ---------- */
.site-nav-cta {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-shrink: 0;
}

.site-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    font-family: var(--brand-font-body);
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.2;
    letter-spacing: -0.005em;
    padding: 15px 30px;
    border-radius: 999px;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 0.18s, border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.site-btn-sm {
    font-size: 0.94rem;
    padding: 10px 20px;
}

.site-nav .site-btn-primary {
    background: var(--brand-blue);
    color: var(--brand-white);
    border: 1.5px solid var(--brand-blue);
    box-shadow: rgb(0 56 255 / 0.5) 0 10px 24px -12px;
}

.site-nav .site-btn-primary:hover {
    background: var(--brand-blue-dark);
    border-color: var(--brand-blue-dark);
    color: var(--brand-white);
    transform: translateY(-2px);
    box-shadow: rgb(0 56 255 / 0.55) 0 16px 30px -12px;
}

.site-nav .site-btn-primary:active {
    transform: translateY(0) scale(0.97);
    box-shadow: rgb(0 56 255 / 0.5) 0 4px 10px -6px;
}

.site-nav .site-btn-outline {
    background: var(--brand-white);
    color: var(--site-ink);
    border: 1.5px solid color-mix(in srgb, var(--brand-black) 18%, var(--brand-white));
    box-shadow: rgb(0 0 0 / 0.08) 0 2px 6px -2px;
}

.site-nav .site-btn-outline:hover {
    border-color: var(--brand-blue);
    color: var(--brand-blue);
    transform: translateY(-2px);
    box-shadow: rgb(0 56 255 / 0.3) 0 10px 22px -12px;
}

.site-nav .site-btn-outline:active {
    background: var(--brand-surface);
    transform: translateY(0) scale(0.97);
    box-shadow: none;
}

.site-nav .site-btn:focus-visible,
.site-nav a:focus-visible,
.site-menu-trigger:focus-visible,
.site-menu-toggle:focus-visible {
    outline: 2px solid var(--brand-blue);
    outline-offset: 3px;
    border-radius: 6px;
}

/* ---------- Mobile ---------- */
.site-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: 0;
    border-radius: 10px;
    cursor: pointer;
    color: var(--site-ink);
}

.site-menu-toggle .site-menu-icon-close,
.site-nav.is-menu-open .site-menu-toggle .site-menu-icon-open {
    display: none;
}

.site-nav.is-menu-open .site-menu-toggle .site-menu-icon-close {
    display: inline;
}

.site-mobile-menu {
    border-top: 1px solid var(--site-line);
    background: var(--brand-white);
    max-height: calc(100dvh - 72px);
    overflow-y: auto;
    padding: 8px 24px 28px;
}

.site-mobile-menu[hidden] {
    display: none;
}

.site-mobile-nav {
    display: flex;
    flex-direction: column;
}

.site-mobile-link,
.site-mobile-group > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--site-ink);
    border-bottom: 1px solid var(--site-line);
    cursor: pointer;
    list-style: none;
}

.site-mobile-group > summary::-webkit-details-marker {
    display: none;
}

.site-mobile-group > summary::after {
    content: "";
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin: -4px 4px 0 0;
    opacity: 0.55;
    transition: transform 0.2s;
}

.site-mobile-group[open] > summary::after {
    transform: rotate(-135deg);
    margin-top: 4px;
}

.site-mobile-links {
    display: flex;
    flex-direction: column;
    padding: 6px 0 10px 12px;
    border-bottom: 1px solid var(--site-line);
}

.site-mobile-links a {
    padding: 10px 0;
    font-size: 0.97rem;
    font-weight: 600;
    color: var(--site-ink-soft);
}

.site-mobile-links a:hover {
    color: var(--brand-blue);
}

.site-mobile-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}

@media (max-width: 1023px) {
    .site-util-bar {
        display: none;
    }

    .site-nav-links,
    .site-nav-cta .site-btn-outline {
        display: none;
    }

    .site-nav-cta {
        margin-left: auto;
    }

    .site-menu-toggle {
        display: inline-flex;
    }
}

@media (min-width: 1024px) {
    .site-mobile-menu {
        display: none !important;
    }
}

@media (max-width: 420px) {
    .site-nav-inner {
        gap: 12px;
        padding: 0 16px;
    }

    .site-nav-logo {
        height: 42px;
    }

    .site-nav-cta .site-btn-primary {
        padding: 9px 16px;
        font-size: 0.88rem;
    }
}

body.site-menu-open {
    overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
    .site-btn,
    .site-mega,
    .site-nav {
        transition: none;
    }

    .site-btn:hover,
    .site-btn:active {
        transform: none;
    }
}