.newsletter-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  max-width: 480px;
}
.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  padding: 0.6rem 1rem;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  background: rgba(255,255,255,0.05);
  color: inherit;
  font-size: 0.95rem;
}
.newsletter-form input[type="email"]::placeholder {
  color: rgba(255,255,255,0.4);
}
.newsletter-form button[type="submit"] {
  padding: 0.6rem 1.5rem;
  border: none;
  border-radius: 4px;
  background: #503AA8;
  color: #FBFAF3;
  font-size: 0.95rem;
  cursor: pointer;
  transition: opacity 0.2s;
}
.newsletter-form button[type="submit"]:hover {
  opacity: 0.85;
}
.newsletter-form button[type="submit"]:disabled {
  opacity: 0.5;
  cursor: wait;
}
.newsletter-msg {
  width: 100%;
  font-size: 0.85rem;
  min-height: 1.2em;
  margin-top: 0.25rem;
}