.nav-dropdown .mega-menu{position:absolute;top:100%;left:0;width:100%;background:var(--card);border:1px solid var(--border);border-top:none;border-radius:0 0 20px 20px;box-shadow:0 28px 48px rgba(12,18,38,.16);padding:26px 0;z-index:60}
.nav-dropdown .mega-inner{width:min(1220px,96vw);margin:0 auto;padding:0 32px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) 260px;gap:24px;align-items:start}
.nav-dropdown .mega-columns{display:contents}
.nav-dropdown .mega-group{display:flex;flex-direction:column;gap:12px}
.nav-dropdown .mega-title{margin:0;font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.nav-dropdown .mega-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:14px;text-decoration:none;color:var(--text);transition:background .16s ease,transform .16s ease}
.nav-dropdown .mega-item:hover{background:rgba(42,108,246,.08);transform:translateY(-1px)}
.nav-dropdown .mega-icon{width:30px;height:30px;border-radius:10px;background:var(--grad);color:#fff;font-weight:700;font-size:.7rem;display:flex;align-items:center;justify-content:center}
.nav-dropdown .mega-copy{display:flex;flex-direction:column;gap:2px;font-size:.86rem;line-height:1.24}
.nav-dropdown .mega-copy strong{font-size:.92rem}
.nav-dropdown .mega-copy span{color:var(--muted);font-size:.74rem}
.nav-dropdown .mega-list{margin:6px 0 0;padding:0;list-style:none;display:grid;gap:8px;font-size:.84rem}
.nav-dropdown .mega-link{color:var(--text);text-decoration:none;padding:4px 0}
.nav-dropdown .mega-link:hover{color:var(--accent-1)}
.nav-dropdown .mega-side{background:var(--fg);border-radius:16px;padding:18px 20px;display:flex;flex-direction:column;gap:10px}
.nav-dropdown .mega-side .feature-tag{font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--accent-1)}
.nav-dropdown .mega-side h4{margin:2px 0;font-size:1rem}
.nav-dropdown .mega-side p{margin:0;color:var(--muted);font-size:.8rem;line-height:1.4}
.nav-dropdown .mega-side .feature-cta{display:inline-flex;align-items:center;gap:4px;color:var(--accent-1);font-weight:600;font-size:.82rem;text-decoration:none}

@media (max-width:1024px){
  .nav-dropdown .mega-inner{grid-template-columns:repeat(2,minmax(0,1fr));}
  .nav-dropdown .mega-side{grid-column:1/-1;order:-1}
}
@media (max-width:640px){
  .nav-dropdown .mega-menu{position:fixed;top:60px;border-radius:0;padding:20px 0}
  .nav-dropdown .mega-inner{width:100%;padding:0 20px;grid-template-columns:minmax(0,1fr);row-gap:20px}
}

:root[data-theme="dark"] .nav-dropdown .mega-menu{background:rgba(18,24,46,.95);border-color:rgba(255,255,255,.12)}
:root[data-theme="dark"] .nav-dropdown .mega-item{background:transparent;color:#f0f3ff}
:root[data-theme="dark"] .nav-dropdown .mega-item:hover{background:rgba(42,108,246,.18)}
:root[data-theme="dark"] .nav-dropdown .mega-copy span{color:#c1c8e6}
:root[data-theme="dark"] .nav-dropdown .mega-side{background:rgba(12,18,38,.9)}