/* Menú institucional: paneles en escritorio y acordeón en móvil. */
.header .mega-nav{gap:20px}.mega-group{padding:0;border:0;background:transparent;margin:0}.mega-group>summary{display:flex;align-items:center;gap:10px;list-style:none;cursor:pointer;font-size:14px;font-weight:600;color:var(--brand-wine,#980b43);padding:20px 0;white-space:nowrap}.mega-group>summary::-webkit-details-marker{display:none}.mega-group>summary::after{display:none}.mega-chevron{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin-top:-4px}.mega-group[open] .mega-chevron{transform:rotate(225deg);margin-top:4px}.header .mega-direct{color:var(--brand-wine,#980b43);font-size:14px}.mega-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:min(1180px,calc(100vw - 48px));background:white;border:1px solid var(--line);border-top:3px solid var(--brand-wine);border-radius:0 0 20px 20px;box-shadow:0 18px 40px #19374224;padding:30px;max-height:calc(100dvh - 180px);overflow-y:auto}.mega-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px 28px}.header .mega-card{display:flex;align-items:flex-start;gap:14px;padding:15px!important;border:0;border-radius:10px;white-space:normal}.mega-card svg{width:28px;height:28px;color:var(--blue);margin-top:2px}.mega-card strong{display:block;font-size:16px;color:var(--ink);line-height:1.4}.mega-card small{display:block;font-size:13px;font-weight:400;color:var(--muted);line-height:1.6;margin-top:6px}.header .mega-card:hover,.header .mega-card:focus-visible{background:var(--soft);text-decoration:none}.header .mega-card::after{display:none!important}.mega-group[open]>summary{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:8px}
@media(min-width:1200px){.header-inner{flex-wrap:wrap;gap:0 24px}.header .mega-nav{width:100%;flex:1 0 100%;justify-content:space-between;border-top:1px solid var(--line)}.header .game-invitation{margin-left:auto;align-self:stretch}.header .mega-nav>.btn{margin:9px 0}.header .brand{flex-basis:150px}.header .brand img{max-height:90px}.mega-group{position:static}}
@media(max-width:1199px){.header .mega-nav{gap:0}.mega-group>summary{padding:18px 8px;justify-content:space-between;white-space:normal;font-size:16px;border-bottom:1px solid var(--line)}.mega-group[open]>summary{text-decoration:none}.mega-panel{position:static;transform:none;width:100%;max-height:none;overflow:visible;border:0;border-radius:0;box-shadow:none;background:var(--soft);padding:4px 10px}.mega-grid{display:block}.header .mega-card{padding:14px 12px!important;border-bottom:1px solid var(--line);border-radius:0}.mega-card svg,.mega-card small{display:none}.mega-card strong{font-weight:400;font-size:14px}.header .mega-direct{font-size:16px;padding:18px 8px}.header .mega-nav>.btn{margin-top:20px}.header .menu-toggle[aria-expanded=true] svg{display:none}.header .menu-toggle[aria-expanded=true]::after{content:'×';font-size:34px;line-height:1;color:var(--brand-wine)}}

/* Color and underline animate independently of immediate menu opening. */
.header .mega-group>summary,.header .mega-direct { position:relative; color:#007fb5; transition:color 160ms ease; text-decoration:none; }
.header .mega-group>summary::after,.header .mega-direct::after { content:""; display:block!important; position:absolute; left:0; right:0; bottom:12px; height:2px; width:auto; background:var(--brand-wine,#980b43); border:0; transform:scaleX(0); transform-origin:left center; transition:transform 180ms ease-out; pointer-events:none; }
.header .mega-group>summary:hover,.header .mega-group>summary:focus-visible,.header .mega-group[open]>summary,.header .mega-direct:hover,.header .mega-direct:focus-visible { color:var(--brand-wine,#980b43); text-decoration:none; }
.header .mega-group>summary:hover::after,.header .mega-group>summary:focus-visible::after,.header .mega-group[open]>summary::after,.header .mega-direct:hover::after,.header .mega-direct:focus-visible::after { transform:scaleX(1); }
.mega-chevron { transition:transform 160ms ease,margin-top 160ms ease; }
.mega-group[open]>.mega-panel { animation:mega-reveal 160ms ease-out both; }
@keyframes mega-reveal { from { opacity:0; translate:0 -6px; } to { opacity:1; translate:0 0; } }
@media(max-width:1199px) { .header .mega-group>summary::after,.header .mega-direct::after { left:8px; right:8px; bottom:8px; } }
@media(prefers-reduced-motion:reduce) { .header .mega-group>summary,.header .mega-direct,.header .mega-group>summary::after,.header .mega-direct::after,.mega-chevron { transition:none; } .mega-group[open]>.mega-panel { animation:none; } }

/* Match the logo blue hue, darkened for readable navigation text. */
@media(min-width:1200px) { .header .mega-direct { padding:20px 0; } }
.header .mega-group>summary::after,.header .mega-direct::after { top:auto; }