  * { box-sizing: border-box; }
  body {
    margin: 0;
    min-height: 100vh;
    background: #0a1208;
    font-family: "Poppins", sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
  }

  .wrap {
    width: 100%;
    max-width: 640px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
  }

  /* ----- Divs de mensajes personalizables ----- */
  .message-box {
    width: 100%;
    background: #fce700;
    color: #111;
    font-weight: 800;
    text-align: center;
    padding: 16px 20px;
    line-height: 1.3;
    font-size: clamp(16px, 4vw, 26px);
  }

  .message-sub {
    width: 100%;
    background: transparent;
    color: #d7f5c9;
    text-align: center;
    padding: 4px 20px;
    font-weight: 400;
    font-size: clamp(13px, 3vw, 17px);
  }

  /* ----- Boton ----- */
  .gift-btn {
    font-family: "Poppins", sans-serif;
    font-weight: 800;
    font-size: clamp(16px, 4.5vw, 24px);
    color: #0a1208;
    background: #fce700;
    border: 3px solid #145a24;
    padding: clamp(14px, 3vw, 20px) clamp(28px, 6vw, 48px);
    cursor: pointer;
    letter-spacing: 0.5px;
    width: 100%;
    max-width: 360px;
    transition: transform 0.15s ease, background 0.15s ease;
  }

  .gift-btn:hover {
    background: #f5db00;
    transform: translateY(-2px);
  }

  .gift-btn:active {
    transform: translateY(0);
  }

  .gift-btn:focus-visible {
    outline: 3px solid #7fff6b;
    outline-offset: 3px;
  }

  @media (max-width: 480px) {
    .gift-btn {
      max-width: 100%;
    }
  }