:root {
      --red: hsla(0, 46%, 50%, 0.514);
      --green: hsl(154, 44%, 27%);
      --blue: hsl(249, 78%, 5%);
      --dark-blue: hsl(249, 10%, 26%);
      --grayish-blue: hsl(332, 40%, 39%);
    }

    body {
      margin: 0;
      font-family: 'Poppins', sans-serif;
      background: var(--red) url('https://i.imgur.com/zI4P8zz.png') no-repeat center center/cover;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      padding: 20px;
      color: white;
    }

    .container {
      display: flex;
      flex-direction: column;
      max-width: 1000px;
      gap: 40px;
    }

    .intro {
      max-width: 500px;
    }

    .intro h1 {
      font-size: 2rem;
      margin-bottom: 15px;
    }

    .intro p {
      font-size: 1rem;
      line-height: 1.5;
    }

    .form-card {
      background-color: white;
      border-radius: 10px;
      padding: 30px;
      color: black;
      box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    }

    .offer {
      background-color: var(--blue);
      color: white;
      padding: 15px;
      text-align: center;
      border-radius: 10px 10px 0 0;
      font-size: 0.9rem;
      font-weight: 500;
    }

    form {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    input {
      padding: 12px;
      border-radius: 5px;
      border: 1px solid var(--grayish-blue);
      font-size: 1rem;
    }

    input.error {
      border: 2px solid var(--red);
    }

    .error-text {
      color: var(--red);
      font-size: 0.8rem;
      text-align: right;
      margin-top: -10px;
      margin-bottom: 10px;
      display: none;
    }

    .show {
      display: block;
    }

    button {
      background-color: var(--green);
      color: white;
      padding: 15px;
      border: none;
      border-radius: 5px;
      font-size: 1rem;
      font-weight: bold;
      cursor: pointer;
      transition: background 0.3s;
    }

    button:hover {
      background-color: hsl(154, 59%, 40%);
    }

    .terms {
      font-size: 0.75rem;
      color: var(--grayish-blue);
      text-align: center;
      margin-top: 10px;
    }

    .terms span {
      color: var(--red);
      font-weight: bold;
      cursor: pointer;
    }

    @media (min-width: 768px) {
      .container {
        flex-direction: row;
        justify-content: space-between;
      }

      .intro {
        flex: 1;
      }

      .form-wrapper {
        flex: 1;
      }
    }