body {
  margin: 0;
  background: #f5f6f8;
  font-family: Inter, system-ui, sans-serif;
}

.form-container {
  max-width: 700px;
  margin: 40px auto;
  background: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

h1 {
  text-align: center;
  margin-bottom: 30px;
}

.subheading {
  text-align: center;
  margin-bottom: 30px;
  color: #777;
  font-size: 15px;
  font-weight: 500;
}

h2 {
  margin-top: 30px;
  font-size: 18px;
}

input, textarea {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  border-radius: 6px;
  border: 1px solid #ddd;
  font-size: 14px;
}

textarea {
  resize: vertical;
  min-height: 80px;
}

.radio-group {
  display: flex;
  gap: 20px;
  margin-top: 10px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  font-size: 14px;
}

.checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;           
  flex-shrink: 0;        
}

button {
  width: 100%;
  padding: 14px;
  margin-top: 30px;
  background: #8b1538;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  opacity: 0.92;
}

.error {
  margin-top: 15px;
  color: red;
  font-size: 13px;
}

.hidden {
  display: none;
}

@media (max-width: 600px) {
  .form-container {
    margin: 20px;
    padding: 25px;
  }
}