.promo-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0, 0, 0, 0);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease, background 0.35s ease;
}
.promo-overlay.is-open {
  opacity: 1; pointer-events: auto;
  background: rgba(0, 0, 0, 0.6);
}
.promo-card {
  position: relative;
  background: linear-gradient(135deg, #0d1b2a 0%, #13355f 100%);
  border-radius: 20px;
  padding: 2.6rem 2.2rem 2.2rem;
  max-width: 440px; width: 100%;
  text-align: center;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.55), 0 0 80px rgba(31, 111, 184, 0.18);
  border: 1.5px solid rgba(92, 176, 240, 0.25);
  transform: translateY(30px) scale(0.95);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
}
.promo-overlay.is-open .promo-card {
  transform: translateY(0) scale(1);
}
.promo-close {
  position: absolute; top: 0.7rem; right: 0.9rem;
  background: none; border: none;
  color: rgba(255, 255, 255, 0.5); font-size: 1.3rem;
  cursor: pointer; line-height: 1; padding: 0.3rem;
  transition: color 0.2s;
  z-index: 2;
}
.promo-close:hover { color: #fff; }
.promo-ribbon {
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, #fbbf24, #f59e0b, #fbbf24);
  animation: promo-shimmer 2s linear infinite;
  background-size: 200% 100%;
}
@keyframes promo-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.promo-titulo {
  font-family: var(--font-display, 'Sora', sans-serif);
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 800;
  color: #fbbf24;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.9rem;
  text-shadow: 0 2px 12px rgba(251, 191, 36, 0.3);
}
.promo-linha {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.35rem;
  line-height: 1.5;
}
.promo-destaque {
  font-size: clamp(1.2rem, 4vw, 1.55rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.45rem;
}
.promo-extra {
  font-size: 1.1rem;
  font-weight: 700;
  color: #5cb0f0;
  margin-bottom: 1.5rem;
}
.promo-cta {
  display: inline-block;
  padding: 0.85rem 2.4rem;
  border-radius: 10px;
  background: linear-gradient(135deg, #1f6fb8 0%, #3c98e0 100%);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 18px rgba(31, 111, 184, 0.4);
}
.promo-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(31, 111, 184, 0.55);
}
@media (max-width: 480px) {
  .promo-card { padding: 2.2rem 1.4rem 1.8rem; border-radius: 16px; }
}