/* Componente único de navegação do site */
.nav-shell{position:sticky;top:0;z-index:1000;background:rgba(9,28,54,.96);box-shadow:0 4px 18px rgba(0,0,0,.22);backdrop-filter:blur(12px)}
.site-nav{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:clamp(10px,2vw,28px);padding:12px 18px}
.site-nav a{display:block;padding:9px 5px;color:#fff;text-decoration:none;font-weight:700;line-height:1.2;white-space:nowrap;border-bottom:2px solid transparent;transition:color .2s,border-color .2s,background .2s}
.site-nav a:hover,.site-nav a:focus-visible,.site-nav a.active{color:#ffe082;border-bottom-color:#ffe082;text-shadow:none;outline:none}
.nav-toggle{display:none;width:44px;height:40px;margin:8px 12px 8px auto;border:1px solid rgba(255,255,255,.35);border-radius:8px;background:transparent;color:#fff;font:700 1.35rem/1 Arial;cursor:pointer}
@media(max-width:720px){.nav-shell{padding:1px}.nav-toggle{display:block}.site-nav{display:none;max-width:none;padding:4px 12px 14px;flex-direction:column;align-items:stretch;gap:3px}.site-nav.is-open{display:flex}.site-nav a{padding:11px 14px;border:0;border-radius:7px}.site-nav a:hover,.site-nav a:focus-visible,.site-nav a.active{background:rgba(255,255,255,.13);color:#ffe082}.nav-shell+.hero,.nav-shell+[class^="hero-"]{margin-top:0}}