/* Banner CTA */
.banner {
  background: rgba(255, 215, 0, 0.2);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 1em;
  margin-bottom: 2em;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5em;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.banner p {
  font-size: 1.1em;
  font-weight: 600;
  color: var(--text-dark);
}
.banner .btn {
  background-color: var(--color-telegram);
  color: #fff;
  border-color: transparent;
  padding: 0.75em 1.5em;
  transition: background 0.3s ease, transform 0.3s ease;
}
.banner .btn:hover {
  background-color: #0077b5;
  transform: scale(1.05);
}
@media (min-width: 768px) {
  .banner {
    flex-direction: row;
    justify-content: space-between;
    padding: 1.2em 2em;
  }
  .banner p {
    margin: 0;
    font-size: 1.2em;
  }
}