.project-estimation h1 {
      text-align: center;
      font-size: 1.8rem;
      margin-bottom: 28px;
      color: #111827;
    }

    form {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 12px;
    }

    input[type="text"] {
      width: 100%;
      max-width: 600px;
      padding: 10px 14px;
      border: 1px solid #d1d5db;
      border-radius: 8px;
      font-size: 15px;
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    input[type="text"]:focus {
      border-color: #6366f1;
      box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
    }

    button[type="submit"] {
      background-color: #4f46e5;
      color: white;
      border: none;
      padding: 10px 18px;
      border-radius: 8px;
      font-size: 15px;
      cursor: pointer;
      transition: background-color 0.2s;
    }

    button[type="submit"]:hover {
      background-color: #4338ca;
    }

    .answer-block {
      margin-top: 30px;
      padding: 20px;
      background-color: #f3f4f6;
      border-radius: 10px;
    }

    .answer-block h3 {
      margin-top: 0;
      font-size: 1.2rem;
      color: #111827;
    }

    .answer-block p {
      margin: 10px 0;
      line-height: 1.5;
    }

    .swiper-wrapper {
      height: auto !important;
      display: inline-flex;
}