/* 311 Institute mega menu v3 (7 Oct 2026). Markup: assets/g311/menu.html. Behaviour: megamenu.js.
   Desktop (1240px and up): full-width panels under the header bar, content held to the 1320px site container.
   Below 1240px: a true full-screen menu (100vw x 100dvh) with accordions, close top right, Search and Book a Briefing bottom right. */

/* ---------- shared ---------- */
html body .g3h .g3dh,html body .g3h .g3mf .g3acct{display:none}
html body .g3h .g3mf{display:flex;align-items:center;gap:18px}
html body .g3p h6{margin:0 0 10px;padding:0 12px;font:700 12px var(--g3-f);letter-spacing:.08em!important;text-transform:uppercase!important;color:var(--b-accent-soft-2,#ff8fc6)}
html body .g3p a{display:block;padding:10px 12px;border-radius:12px;transition:background-color .15s}
html body .g3p a:hover,html body .g3p a:focus-visible,html body .g3p a[aria-current=page]{background:rgba(255,255,255,.07)}
html body .g3p b{display:block;font-size:15px;font-weight:700;color:var(--g3-tx);line-height:1.3}
html body .g3p span{display:block;font-size:13px;color:var(--g3-mu);margin-top:2px;line-height:1.4}
html body .g3p p{margin:0 0 14px;padding:0 12px;font-size:15px;line-height:1.55;color:var(--g3-mu)}
html body .g3p p.g3lead{font-size:22px;line-height:1.3;font-weight:700;color:#fff}
html body .g3p .btn{margin:4px 12px 0}
html body .g3p .btn .lb,html body .g3p .btn .ic,html body .g3p .btn .ar2{display:inherit;margin:0;font-size:inherit;color:inherit}
html body .g3p .btn .lb{display:inline}
html body .g3p .btn .ic{display:grid;color:var(--b-accent,#D92A79)}
html body .g3p .btn .ar2{display:block}
html body .g3p .g3feat{display:block;margin:0;padding:20px!important;border-radius:16px!important;background:linear-gradient(135deg,var(--b-indigo,#231D63),var(--b-violet,#7C3AED))!important}
html body .g3p .g3feat:hover{filter:brightness(1.08)}
html body .g3p .g3feat span{color:rgba(255,255,255,.85)!important;margin-top:6px!important}
html body .g3p .g3feat em,html body .g3p .g3rep em{display:inline-block;margin-top:14px;font-style:normal;font-weight:700;font-size:13px;color:#fff;background:var(--b-accent,#D92A79);border-radius:999px;padding:7px 15px}
html body .g3p .g3card{display:block;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);padding:22px}
html body .g3p .g3card small{display:block;font:700 11.5px var(--g3-f);letter-spacing:.08em!important;text-transform:uppercase!important;color:var(--b-accent-soft-2,#ff8fc6);margin:0 0 8px}
html body .g3p .g3card>span{margin-top:8px}
html body .g3p .g3stat strong{display:block;font:700 64px/1 var(--g3-f);color:#fff;margin:4px 0 12px;letter-spacing:-.02em!important}
html body .g3p .g3stat b{font-size:17px}
html body .g3p .g3book b{font-size:20px;line-height:1.25}
html body .g3p .g3btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
html body .g3p .g3btns .btn{margin:0}
html body .g3p .g3rep{display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:start;padding:16px}
html body .g3p .g3rep:hover{background:rgba(255,255,255,.09)}
html body .g3p .g3rep img{display:block;width:96px;height:auto;aspect-ratio:720/1019;border-radius:8px;box-shadow:0 10px 24px rgba(0,0,0,.4);object-fit:cover}
html body .g3p .g3rep-t{display:block;margin:0}
html body .g3p .g3rep-t b{font-size:17px}
/* Starburst teaser card (phones and tablets); the live engine shows on desktop */
html body .g3p a.g3sbt{display:none;position:relative;overflow:hidden;margin:8px 0 4px;padding:18px 18px 18px 112px;min-height:112px;border-radius:16px;background:radial-gradient(120% 140% at 0% 50%,#2a1f6e 0,#120f30 60%);border:1px solid rgba(255,255,255,.12)}
html body .g3p .g3sbt-art{position:absolute;left:10px;top:50%;width:92px;height:92px;margin-top:-46px;border-radius:50%;background:radial-gradient(circle,#D92A79 0 9%,transparent 10% 30%,rgba(255,255,255,.12) 31% 32%,transparent 33%),repeating-conic-gradient(from 3deg,rgba(255,143,198,.75) 0 1.2deg,transparent 1.2deg 6deg,rgba(41,197,246,.7) 6deg 7deg,transparent 7deg 12deg);-webkit-mask:radial-gradient(circle,#000 0 66%,transparent 70%);mask:radial-gradient(circle,#000 0 66%,transparent 70%)}
html body .g3p a.g3sbt b{color:#fff}

/* ---------- desktop: full-width mega panels ---------- */
@media(min-width:1240px){
 html body .g3m>li{position:static}
 html body .g3p,html body .g3p.g3mega,html body .g3p.g3right{position:absolute;top:100%;left:0;right:0;width:auto;min-width:0;max-width:none;margin:0;padding:0;display:block;border:0;border-top:1px solid rgba(255,255,255,.08);border-radius:0 0 22px 22px;background:linear-gradient(180deg,#14113a 0,var(--b-night,#0B0A1F) 100%);box-shadow:0 30px 70px rgba(0,0,0,.55);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .16s ease,transform .16s ease,visibility 0s linear .16s;max-height:calc(100vh - 64px);max-height:calc(100dvh - 64px);overflow-y:auto;overscroll-behavior:contain;z-index:5}
 html body .g3p:before{content:none;display:none}
 html body .g3dd.g3o .g3p{opacity:1;visibility:visible;transform:none;transition:opacity .16s ease,transform .16s ease,visibility 0s}
 html body .g3mi{max-width:1320px;margin:0 auto;padding:30px 24px 34px;display:grid;gap:28px;align-items:start}
 html body .g3mi-dis{grid-template-columns:minmax(230px,1fr) minmax(0,2fr) 380px}
 html body .g3mi-pre{grid-template-columns:minmax(0,640px) minmax(320px,440px);gap:56px}
 html body .g3mi-res{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) minmax(320px,1.1fr)}
 html body .g3mi-svc{grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(340px,1.15fr)}
 html body .g3idx .g3ig{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}
 html body .g3idx .g3ig a{padding:8px 12px}
 html body .g3idx .g3ig b{font-size:14.5px}
 html body .g3idx .g3ig span{font-size:12.5px}
 html body .g3sbf{position:relative;width:360px;height:300px;margin:0 0 16px 12px;border-radius:18px;overflow:hidden;background:radial-gradient(70% 70% at 50% 50%,#1d1850 0,#0b0a1f 100%);border:1px solid rgba(255,255,255,.12)}
 html body .g3sbf:before{content:"";position:absolute;inset:0;margin:auto;width:46px;height:46px;border-radius:50%;border:3px solid rgba(255,255,255,.15);border-top-color:var(--b-accent,#D92A79);animation:g3spin 1s linear infinite}
 html body .g3sbf.g3ld:before{display:none}
 html body .g3sbf iframe{position:absolute;left:0;top:0;width:600px;height:500px;border:0;transform:scale(.6);transform-origin:0 0;pointer-events:none;opacity:0;transition:opacity .3s}
 html body .g3sbf.g3ld iframe{opacity:1}
 html body .g3sbf-a{position:absolute;inset:0;z-index:2;padding:0;border-radius:18px;background:none!important}
 html body .g3rich .btn{margin-left:12px}
 html body .g3m .g3t[aria-expanded=true]{background:rgba(255,255,255,.12)}
 html body .g3h.g3mm-on{background:var(--g3-ink)!important}
}
@media(min-width:1240px) and (max-width:1380px){
 html body .g3mi-dis{grid-template-columns:minmax(210px,1fr) minmax(0,2fr) 360px;gap:20px}
}
@keyframes g3spin{to{transform:rotate(360deg)}}

/* ---------- phones and tablets: true full-screen menu ---------- */
@media(max-width:1239px){
 html body .g3bg{display:flex}
 html body .g3srch-m{display:inline-flex}
 html body .g3h.g3open{z-index:2147483000!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important}
 html body .g3nav{display:flex!important;position:fixed!important;inset:0!important;left:0!important;top:0!important;right:0!important;bottom:0!important;width:100vw!important;max-width:none!important;height:100vh;height:100dvh;max-height:none!important;margin:0!important;padding:0!important;gap:0!important;flex-direction:column;align-items:stretch;background:var(--b-night,#0B0A1F)!important;border:0!important;box-shadow:none!important;z-index:2147483001;overflow:hidden!important;opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .2s ease,transform .2s ease,visibility 0s linear .2s}
 html body .g3h.g3open .g3nav{opacity:1;visibility:visible;transform:none;transition:opacity .2s ease,transform .2s ease,visibility 0s}
 html body .g3scrim{display:none!important}
 html body .g3h .g3dh{display:flex;flex:none;align-items:center;justify-content:space-between;height:64px;padding:0 16px 0 24px;border-bottom:1px solid rgba(255,255,255,.08)}
 html body .g3dh span{font:inherit;letter-spacing:inherit;text-transform:none;color:inherit}
 html body .g3dh .g3logo span{font-weight:700;font-size:17px;letter-spacing:.01em!important;text-transform:uppercase!important;color:#fff}
 html body .g3dx{display:inline-flex;align-items:center;gap:8px;height:48px;min-width:48px;padding:0 14px 0 18px;border-radius:999px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;font:700 15px var(--g3-f);cursor:pointer}
 html body .g3dx span{display:inline!important;color:#fff!important;font:700 15px var(--g3-f)!important;letter-spacing:0!important;text-transform:none!important}
 html body .g3dx:focus-visible,html body .g3nav a:focus-visible,html body .g3nav button:focus-visible{outline:3px solid var(--b-accent-soft-2,#ff8fc6)!important;outline-offset:2px}
 html body .g3nav .g3m{order:0;flex:1 1 auto;min-height:0;display:block;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:8px 24px 24px;margin:0}
 html body .g3m>li,html body .g3m>li.g3dd,html body .g3m>li:not(.g3dd){order:0;display:block;position:static;border-bottom:1px solid rgba(255,255,255,.1)}
 html body .g3m .g3t{display:flex;width:100%;align-items:center;justify-content:space-between;height:64px;min-height:48px;padding:0 4px;border-radius:0;background:none!important;font:700 22px var(--g3-f);color:#fff}
 html body .g3m .g3t i{width:10px;height:10px;margin-right:6px}
 html body .g3p,html body .g3p.g3mega,html body .g3p.g3right{position:static;display:none;min-width:0;width:auto;margin:0!important;padding:0 0 18px!important;border:0;border-radius:0;background:none!important;box-shadow:none;opacity:1;visibility:visible;transform:none;max-height:none;overflow:visible}
 html body .g3dd.g3o .g3p{display:block;animation:g3acc .18s ease}
 html body .g3mi{display:grid;grid-template-columns:1fr;gap:18px}
 html body .g3p h6{padding:0 4px;margin:6px 0 6px}
 html body .g3p a{padding:12px 4px;min-height:48px;border-radius:12px}
 html body .g3p b{font-size:17px}
 html body .g3p span{font-size:14px}
 html body .g3p p{padding:0 4px}
 html body .g3p p.g3lead{font-size:20px}
 html body .g3p .btn{margin:6px 0 0}
 html body .g3idx .g3ig{display:grid;grid-template-columns:1fr;gap:0}
 html body .g3rich h6,html body .g3sbf,html body .g3mi-dis .g3rich{display:none}
 html body .g3p a.g3sbt{display:block;padding:18px 16px 18px 116px}
 html body .g3p .g3card{padding:20px}
 html body .g3p .g3stat strong{font-size:52px}
 html body .g3p .g3rep{grid-template-columns:72px 1fr;padding:14px}
 html body .g3p .g3rep img{width:72px}
 html body .g3nav .g3mf{order:1;flex:none;display:flex!important;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:12px;padding:14px 24px calc(14px + env(safe-area-inset-bottom,0px));border-top:1px solid rgba(255,255,255,.1);background:rgba(11,10,31,.96)}
 html body .g3nav .g3mf .g3srch{display:inline-flex!important;align-items:center;gap:8px;height:48px;padding:0 18px;margin:0;width:auto;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;font:700 15px var(--g3-f)}
 html body .g3nav .g3mf .g3srch span{display:inline!important}
 html body .g3nav .g3mf .g3cta{order:2;margin:0;height:48px;flex:none}
 html.g3lock,html.g3lock body{overflow:hidden!important;overscroll-behavior:none}
}
@media(max-width:480px){
 html body .g3nav .g3m{padding:4px 18px 20px}
 html body .g3h .g3dh{padding:0 12px 0 18px}
 html body .g3nav .g3mf{padding-left:18px;padding-right:18px}
 html body .g3m .g3t{font-size:20px;height:60px}
}
@keyframes g3acc{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){
 html body .g3p,html body .g3nav,html body .g3sbf iframe{transition:none!important;animation:none!important}
 html body .g3dd.g3o .g3p{animation:none!important}
 html body .g3sbf:before{animation-duration:3s}
}
@media print{html body .g3p{display:none!important}}