/* Promotional offer styles */
.promo-offer {
    border-radius: 10px;
    padding: 5px;
    margin: 5px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .promo-offer::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shine 3s infinite;
    pointer-events: none;
  }

  .promo-formula {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 8px;
    font-family: 'Roboto', sans-serif;
    font-weight: 900;
    position: relative;
    z-index: 2;
  }

  .promo-number {
    background: #000;
    color: #ff6b6b;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 900;
    margin: 0 5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transform: scale(1);
    transition: transform 0.3s ease;
  }

  .promo-number:hover {
    transform: scale(1.1);
  }

  .promo-result {
    background: #ffff4f !important;
    color: #ff6b6b !important;
    animation: bounce 1.5s infinite;
    font-size: 20px !important;
    width: 40px !important;
    height: 40px !important;
  }

  .promo-plus, .promo-equals {
    color: #ff6b6b;
    font-size: 20px;
    font-weight: 900;
    margin: 0 3px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  }

  .promo-text {
    color: #000000;
    font-size: 13px;
    margin: 0;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
    line-height: 1.3;
  }

  .promo-text strong {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  /* Animations */
  @keyframes pulse-glow {
    0%, 100% {
      box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
    }
    50% {
      box-shadow: 0 4px 20px rgba(255, 107, 107, 0.4);
    }
  }

  @keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
      transform: scale(1);
    }
    40% {
      transform: scale(1.1);
    }
    60% {
      transform: scale(1.05);
    }
  }

  @keyframes shine {
    0% {
      transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
      transform: translateX(100%) translateY(100%) rotate(45deg);
    }
  }

  /* Mobile responsive */
  @media screen and (max-width: 576px) {
    .promo-offer {
      padding: 10px;
      margin: 10px 0;
    }

    .promo-number {
      width: 30px;
      height: 30px;
      font-size: 16px;
      margin: 0 3px;
    }

    .promo-result {
      width: 35px !important;
      height: 35px !important;
      font-size: 18px !important;
    }

    .promo-plus, .promo-equals {
      font-size: 18px;
      margin: 0 2px;
    }

    .promo-text {
      font-size: 12px;
    }
  }