/* ==========================================================================
   LAYOUT — header fixo (aviso de promoção + navbar) e rodapé
   ========================================================================== */

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
}

.promo-bar {
  background-color: var(--yellow);
  padding: 14px;
  text-align: center;
}

.promo-bar p {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
}

.navbar {
  display: flex;
  align-items: center;
  padding: 16px 0;
  background-color: var(--dark);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  width: 100%;
}

.logo {
  font-size: 24px;
  color: #fff;
}

/* ---------- Rodapé ---------- */

.site-footer {
  padding: 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-content p,
.footer-links a,
.back-to-top {
  font-size: 16px;
  font-weight: 400;
  color: #a8a8b3;
}

.footer-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
  margin-right: 64px;
}

.footer-links a,
.back-to-top {
  transition: color 0.3s ease;
}

.footer-links a:hover,
.back-to-top:hover {
  color: #fff;
}

.back-to-top {
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 768px) {
  /* Header fixo mais compacto: ocupa menos da tela no celular */
  .promo-bar {
    padding: 10px 12px;
  }

  .promo-bar p {
    font-size: 14px;
  }

  .navbar {
    padding: 10px 0;
  }

  .nav-content {
    gap: 12px;
  }

  .logo {
    font-size: 20px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 32px;
  }

  .footer-links {
    margin: 0;
    justify-content: center;
    width: 100%;
  }
}