body {
  font-family: "Roboto", sans-serif;
  background: linear-gradient(135deg, #71b7e6, #9b59b6);
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  /*height: 100vh;*/
  color: #333;
}

.container {
  width: 100%;
  max-width: 600px;
  background: #ffffff;
  padding: 20px 40px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  margin: 20px;
}

.form-header {
  text-align: center;
  margin-bottom: 30px;
}

.form-header h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  color: #007bff;
}

.form-header p {
  margin: 5px 0 0;
  color: #666;
}

.form-group {
  margin-bottom: 20px;
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: #333333;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 40px 12px 40px;
  box-sizing: border-box;
  border: 1px solid #cccccc;
  border-radius: 4px;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #007bff;
  outline: none;
}

.form-group textarea {
  resize: vertical;
}

.form-group .optional {
  display: none;
}

.form-group .icon {
  position: absolute;
  left: 15px;
  top: 70%;
  transform: translateY(-50%);
  color: #666;
}

.btn-submit {
  display: inline-block;
  width: 100%;
  padding: 12px 0;
  color: #fff;
  background-color: #007bff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-align: center;
  font-weight: 500;
  transition: background-color 0.3s;
  margin-top: 10px;
}

.btn-submit:hover {
  background-color: #0056b3;
}