/* ==========================================================================
   CULTURA TRINACIONAL — Publicidade (banners e modal de entrada)
   Todo espaço de anúncio fica display:none até ter conteúdo real — nunca
   aparece vazio ou como placeholder quando não há campanha ativa.
   ========================================================================== */

.ad-slot { display: none; margin: 20px 0; }

.ad-banner {
  position: relative;
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
}
.ad-banner img { width: 100%; height: auto; display: block; }

.ad-badge {
  position: absolute;
  bottom: 8px; right: 8px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  background: rgba(5,7,15,0.72);
  color: var(--text-secondary);
  backdrop-filter: blur(4px);
}

/* ---- Modal de entrada ---- */

.ad-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: rgba(5,7,15,0.78);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.ad-modal {
  position: relative;
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 20px 60px rgba(0,0,0,0.55);
}
.ad-modal img { width: 100%; height: auto; display: block; }

.ad-badge-modal { bottom: 12px; right: 12px; }

.ad-modal-close {
  position: absolute;
  top: 10px; right: 10px;
  z-index: 2;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(5,7,15,0.65);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 20px;
  line-height: 1;
  display: grid; place-items: center;
}