.announcement-banner {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #5b3dfd;
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 500;
  z-index: 9999;
  width: 100%;
  max-width: 500px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.announcement-banner a.link {
  flex: 1;                    /* take remaining space */
  text-decoration: none;
  color: white;
}

.announcement-banner p {
  margin: 0;
  text-align: left;
}

.close-banner {
  margin-left: auto;           /* push it to the far right */
  background: none;
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
}

@media (max-width: 600px) {
  .announcement-banner {
    font-size: 0.9rem;
    padding: 1rem;
    max-width: calc(100% - 2rem);
    flex-direction: column;
    align-items: flex-start;
  }
  .close-banner {
    margin-left: 0;
    align-self: flex-end;       /* stay to the right on mobile */
  }
}