body {
    margin: 0;
    background: transparent;
  }
  .popup-iframe-wrapper {
    /* position: relative; */
    width: 100vw;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .popup-iframe-content {
    position: relative;
    background: #fff;
    border-radius: 56px;
    max-width: 1600px;
    min-width: 700px;
    min-height: 1000px;
    margin: 0 auto;
    box-shadow: 0 40px 120px rgba(129,75,246,0.22);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: visible;
  }
  .popup-close-btn {
    position: absolute;
    top: 14px;
    right: 16px;
    background: none;
    border: none;
    font-size: 2.2rem;
    color: #b2b2c3;
    cursor: pointer;
    z-index: 10;
    padding: 0;
    line-height: 1;
    transition: color 0.18s;
  }
  .popup-close-btn:hover {
    color: #814BF6;
  }
  .popup-title {
    font-size: 2rem;
    font-weight: 900;
    margin: 0 0 12px 0;
    text-align: center;
    color: #222;
    letter-spacing: -1.5px;
  }
  .popup-title span {
    color: #814BF6;
  }
  .popup-subtitle {
    font-size: 1.25rem;
    color: #6e6e8a;
    margin: 0 0 50px 0;
    text-align: center;
    font-weight: 500;
  }
  #popup-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 0;
    align-items: flex-start;
    width: 100%;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
  #popup-form label {
    font-size: 1.22rem;
    color: #4a388e;
    font-weight: 700;
    margin-bottom: 7px;
    margin-left: 2px;
    text-align: left;
    display: block;
    letter-spacing: -0.5px;
  }
  #popup-form input, #popup-form select {
    font-size: 1.28rem;
    padding: 18px 20px;
    border-radius: 18px;
    border: 1.5px solid #d5d1f2;
    background: #fafaff;
    margin-bottom: 0;
    outline: none;
    transition: border 0.18s;
    width: 98%;
    box-sizing: border-box;
    display: block;
  }
  #popup-form input:focus {
    border-color: #814BF6;
  }
  #popup-form select {
    appearance: none;
    -webkit-appearance: none;
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 20px 20px;
    cursor: pointer;
  }
  #popup-form button {
    background: linear-gradient(90deg, #814BF6 0%, #6255F6 100%);
    color: #fff;
    font-size: 1.13rem;
    padding: 13px 0;
    border: none;
    border-radius: 13px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 6px;
    box-shadow: 0 2px 8px rgba(129,75,246,0.08);
    width: 100%;
    font-size: 1.22rem;
    padding: 18px 0;
    border-radius: 18px;
    margin-top: 18px;
  }
  #popup-success {
    display: none;
    color: #4a388e;
    font-weight: 700;
    margin-top: 18px;
    text-align: center;
    font-size: 1.13rem;
  }
  @media (max-width: 1700px) {
    .popup-iframe-content {
      max-width: 99vw;
      min-width: 0;
      min-height: 0;
      padding: 4vw 2vw 4vw 2vw;
      border-radius: 32px;
    }
  }
  @media (max-width: 1300px) {
    .popup-iframe-content {
      max-width: 99vw;
      min-width: 0;
      min-height: 0;
      padding: 3vw 1vw 3vw 1vw;
      border-radius: 28px;
    }
  }
  @media (max-width: 900px) {
    .popup-iframe-content {
      max-width: 100vw;
      min-width: 0;
      min-height: 0;
      padding: 2vw 0 2vw 0;
      border-radius: 18px;
    }
  }
  @media (max-width: 600px) {
  /* Typography adjustments for mobile */
  .popup-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
  }
  .popup-subtitle {
    font-size: 1rem;
    margin-bottom: 32px;
    line-height: 1.4;
  }
  #popup-form {
    gap: 14px;
  }
  #popup-form label {
    font-size: 1rem;
    margin-bottom: 4px;
  }
  #popup-form input, #popup-form select {
    font-size: 0.95rem;
    padding: 14px 12px;
    border-radius: 14px;
    width: 100%;
    box-sizing: border-box;
  }
  #popup-form button {
    font-size: 1rem;
    padding: 14px 0;
    border-radius: 14px;
    width: 100%;
    margin-top: 12px;
  }

    .popup-iframe-content {
      max-width: 100vw;
      min-width: 0;
      min-height: 0;
      padding: 4vw 4vw;
      border-radius: 14px;
    }
    .popup-title {
      font-size: 1.32rem;
    }
    #popup-form input, #popup-form button {
      font-size: 1.05rem;
      padding: 12px 10px;
    }
  }