/* ============================================================
   Menu institucional — CÓPIA de public/css/site-nav.css do site pjzen.com
   (home, nota fiscal pelo WhatsApp, escritório virtual, parceiros).
   Modelo: menu do escritório virtual. Barra branca no topo, logo,
   links, CTA amarelo; abaixo de 960px vira botão + painel suspenso.

   Uso:
     <nav class="site-nav" id="main-nav">            -> sticky (escritório)
     <nav class="site-nav site-nav--fixed" ...>       -> fixo por cima do hero
   Cores fixas aqui (não dependem das variáveis de cada página).
   ============================================================ */

.site-nav {
  --sn-black: #2c222d;
  --sn-yellow: #ffd100;
  --sn-yellow-dark: #e6bc00;
  --sn-gold-text: #8a6d00;
  --sn-gray-light: #e9e7e5;

  display: flex; align-items: center; justify-content: space-between;
  box-sizing: border-box;
  padding: 16px 5%;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 200;
  border-bottom: 1px solid rgba(255,209,0,.1);
  font-family: "Overused Grotesk", "Inter", system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  transition: box-shadow .3s;
  animation: siteNavFadeIn .6s ease forwards;
}
.site-nav--fixed { position: fixed; left: 0; right: 0; width: 100%; }
.site-nav.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.07); }
.site-nav *, .site-nav *::before, .site-nav *::after { box-sizing: border-box; }
@keyframes siteNavFadeIn { from { opacity: 0; } to { opacity: 1; } }

.site-nav .nav-logo { display: flex; align-items: center; }
.site-nav .nav-logo img { height: 34px; width: auto; display: block; }

.site-nav .nav-links { display: flex; align-items: center; gap: 30px; list-style: none; margin: 0; padding: 0; }
.site-nav .nav-links a {
  text-decoration: none; font-size: 16px; font-weight: 500;
  color: var(--sn-black); opacity: .6; transition: opacity .2s;
}
.site-nav .nav-links a:hover { opacity: 1; }
.site-nav .nav-links a[aria-current="page"] { opacity: 1; font-weight: 600; }

.site-nav .nav-actions { display: flex; align-items: center; gap: 10px; }

.site-nav .nav-cta {
  display: inline-block;
  background: var(--sn-yellow); color: var(--sn-black); border: none;
  padding: 10px 22px; border-radius: 100px;
  font-family: inherit; font-size: 14px; font-weight: 600; line-height: 1.65;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background .2s, transform .15s, box-shadow .2s;
}
.site-nav .nav-cta:hover { background: var(--sn-yellow-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(255,209,0,.35); }

/* Botão secundário (ex.: "Entrar" da área de parceiros) */
.site-nav .nav-login {
  padding: 9px 18px; border-radius: 100px;
  font-size: 14px; font-weight: 600; line-height: 1.65; white-space: nowrap;
  text-decoration: none; color: var(--sn-black);
  border: 1.5px solid rgba(44,34,45,.22);
  transition: border-color .2s;
}
.site-nav .nav-login:hover { border-color: var(--sn-black); }

.site-nav .nav-toggle {
  display: none; align-items: center; justify-content: center;
  width: 40px; height: 40px; padding: 0; border: none; border-radius: 100px; cursor: pointer;
  background: rgba(44,34,45,.06); color: var(--sn-black);
}
.site-nav .nav-toggle svg { display: block; }
.site-nav .nav-toggle__close { display: none !important; }
.site-nav .nav-toggle[aria-expanded="true"] .nav-toggle__open { display: none !important; }
.site-nav .nav-toggle[aria-expanded="true"] .nav-toggle__close { display: block !important; }

.site-nav .nav-mobile { display: none; }

@media (min-width: 961px) and (max-width: 1240px) {
  .site-nav .nav-links { gap: 18px; }
  .site-nav .nav-links a { font-size: 15px; }
  .site-nav .nav-login { padding: 8px 14px; font-size: 13px; }
}

@media (max-width: 960px) {
  .site-nav .nav-links { display: none; }
  .site-nav .nav-toggle { display: inline-flex; }
  .site-nav .nav-mobile {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; padding: 4px 5% 24px;
    background: #fff; border-bottom: 1px solid rgba(255,209,0,.25);
    box-shadow: 0 18px 30px -12px rgba(0,0,0,.15);
  }
  .site-nav .nav-mobile.is-open { display: flex; }
  .site-nav .nav-mobile__link {
    padding: 15px 0; font-size: 18px; font-weight: 600; text-decoration: none;
    color: var(--sn-black); border-bottom: 1px solid var(--sn-gray-light);
  }
  .site-nav .nav-mobile__link[aria-current="page"] { color: var(--sn-gold-text); }
  .site-nav .nav-mobile .nav-cta { margin-top: 20px; padding: 14px 22px; font-size: 16px; text-align: center; }
}

@media (max-width: 540px) {
  .site-nav .nav-actions > .nav-cta { display: none; }
}