/* mod_publicidad - diseño moderno plano */
.publicidad-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(2px);
  z-index: 9998;
}

.publicidad-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: #3180c2;
  border-radius: 16px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.5);
  width: 90%; max-width: 420px;
  padding: 30px 20px;
  text-align: center;
  color: #fff;
  z-index: 9999;
}

.cerrar-publicidad {
  position: absolute;
  top: 12px; right: 15px;
  background: transparent;
  border: none;
  font-size: 26px;
  color: #fff;
  cursor: pointer;
}

.publicidad-content h2 {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 800;
}

.publicidad-content p {
  font-size: 15px;
  margin-bottom: 20px;
  color: #f1f1f1;
}

.btn-publicidad {
  display: inline-block;
  background: #fff;
  color: #3180c2;
  padding: 14px 22px;
  border-radius: 30px;
  font-weight: 700;
  text-decoration: none;
  font-size: 16px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.btn-publicidad:hover {
  background: #f1f1f1;
  transform: translateY(-2px);
}