/* ============================================================
   FortiVox — Cyber Security Hub (education + interaction)
   ============================================================ */
.hub-hero{padding:96px 0 40px;background:radial-gradient(900px 500px at 50% -10%,rgba(139,92,246,.20),transparent 60%),var(--bg-0)}
.hub-hero h1{font-size:clamp(32px,5vw,54px);font-weight:800;letter-spacing:-1px}
.hub-hero .lead{color:var(--muted);max-width:760px;font-size:16px;line-height:1.7}
.hub-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 32px}
.hub-tab{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:12px;background:var(--bg-2);border:1px solid var(--border);color:var(--muted);font-weight:600;font-size:14px;cursor:pointer;transition:all .2s}
.hub-tab:hover{color:#fff;border-color:#3b4a6b}
.hub-tab.is-active{color:#fff;border-color:var(--accent);background:rgba(59,130,246,.14)}
.hub-panel{display:none}
.hub-panel.is-active{display:block}
.hub-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.hub-card{background:var(--bg-2);border:1px solid var(--border);border-radius:16px;padding:18px 20px;transition:border-color .2s,transform .2s}
.hub-card:hover{border-color:#3b4a6b;transform:translateY(-2px)}
.hub-card h3{font-size:16px;margin:0 0 4px;color:#fff}
.hub-card .cmd{font-family:ui-monospace,'SFMono-Regular',Menlo,monospace;font-size:13.5px;color:#93c5fd;background:var(--bg-1);border:1px solid var(--border);border-radius:8px;padding:8px 12px;display:block;margin:8px 0}
.hub-card p{color:var(--muted);font-size:13.5px;line-height:1.6;margin:0}
.code-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;background:var(--bg-2);border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:16px}
.code-pair h3{font-size:15px;margin:0 0 10px}
.code-pair .bad{color:#f87171}.code-pair .good{color:#4ade80}
.code-pair pre{margin:0;padding:14px;border-radius:10px;background:var(--bg-1);border:1px solid var(--border);overflow:auto;font-size:12.5px;line-height:1.55;color:#d7dee9}
.code-pair pre code{font-family:ui-monospace,'SFMono-Regular',Menlo,monospace;white-space:pre}
.accordion{border:1px solid var(--border);border-radius:16px;overflow:hidden;background:var(--bg-2)}
.acc-item{border-bottom:1px solid var(--border)}
.acc-item:last-child{border-bottom:0}
.acc-item summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;cursor:pointer;font-weight:600;color:#fff;font-size:15px}
.acc-item summary::-webkit-details-marker{display:none}
.acc-item summary .chev{transition:transform .2s;color:var(--accent)}
.acc-item[open] summary .chev{transform:rotate(180deg)}
.acc-item .acc-body{padding:0 20px 18px;color:var(--muted);font-size:14px;line-height:1.7}
.hub-map-cta{padding:40px;border-radius:18px;background:linear-gradient(135deg,rgba(139,92,246,.14),rgba(59,130,246,.14));border:1px solid rgba(139,92,246,.3)}
.hub-map-cta h2{color:#fff;margin:0 0 10px}
.hub-map-cta p{color:var(--muted);max-width:640px}

/* FortiHack CTF promo banner (moved from homepage into the hub) */
.hub-ctf-banner{
    text-align:center;padding:56px 32px;border-radius:18px;overflow:hidden;
    background:radial-gradient(900px 480px at 50% 0%,rgba(34,197,94,.12),transparent 62%),linear-gradient(180deg,#08120c,var(--bg-1));
    border:1px solid rgba(34,197,94,.22);
}
.hub-ctf-banner h2{font-size:clamp(28px,4vw,48px);font-weight:800;line-height:1.14;letter-spacing:-.5px;margin:0 0 16px;color:#fff}
.hub-ctf-banner h2 .fortihack{font-family:ui-monospace,'SFMono-Regular','Cascadia Code','Consolas',monospace;background:linear-gradient(135deg,#4ade80,#22c55e 55%,#a3e635);-webkit-background-clip:text;background-clip:text;color:transparent}
.hub-ctf-banner p{color:var(--muted);font-size:17px;line-height:1.65;max-width:680px;margin:0 auto 28px}
.hub-ctf-banner .btn-ctf{background:linear-gradient(135deg,#22c55e,#15803d);color:#04120a;font-weight:800;font-size:16px;padding:16px 34px;border-radius:12px;box-shadow:0 10px 34px -10px rgba(34,197,94,.65)}
.hub-ctf-banner .btn-ctf:hover{color:#04120a;box-shadow:0 16px 46px -10px rgba(34,197,94,.85);transform:translateY(-2px)}

@media (max-width:760px){.code-pair{grid-template-columns:1fr}}