.size-guide-btn {
    padding: 0.5rem 0;
    background: none;
    color: #28d294;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    cursor: pointer;
    position: relative;
    margin-top: 0.5rem;
    display: inline-block;
    transition: color 0.3s ease;
  }

  .size-guide-btn:hover::after {
    color: #28d294;
  }

  .size-guide-btn:hover {
    color: #4DA995;
  }

  .size-guide {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    display: none;
  }

  .size-guide.hidden {
    display: none;
  }

  .size-guide.visible {
    display: flex;
    animation: fadeIn 0.3s ease-in;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
    }

    to {
      opacity: 1;
    }
  }

  .size-guide-content {
    background: #1A252F;
    padding: 2rem;
    border-radius: 10px;
    border: 2px solid #28d294;
    text-align: center;
    max-width: 400px;
    width: 90%;
    color: #E0E0E0;
    font-family: 'Manrope', sans-serif;
    position: relative;
  }

  .size-guide-content h3 {
    font-family: 'Space Grotesk', sans-serif;
    color: #28d294;
    margin-bottom: 0.5rem;
  }

  .size-guide-content table {
    margin: 1rem auto;
    border-collapse: collapse;
    width: 80%;
  }

  .size-guide-content th,
  .size-guide-content td {
    border: 1px solid #28d294;
    padding: 0.5rem;
  }

  .size-guide-content th {
    background: #263340;
  }

  .close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: #E0E0E0;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    transition: color 0.3s ease;
  }

  .close-btn:hover {
    border: none;
    outline: none;
    color: #28d294;
  }

  .size-guide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.2);
  z-index: 0;
  display: none;
}

.size-guide-overlay.active {
  display: block;
}