:root {
  --fannin-blue: #1c4f9c;
  --fannin-green: #2e7d32;
  --fannin-red: #c0272d;
  --text-color: #333;
  --bg-color: #f4f6f9;
  --border-color: #d0d7e2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  padding: 24px 16px;
  line-height: 1.5;
  font-size: 16px;
}

.form-container {
  max-width: 700px;
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.form-header {
  text-align: center;
  padding: 40px 24px 24px;
  border-bottom: 3px solid var(--fannin-blue);
}

.logo {
  max-width: 300px;
  width: 100%;
  margin-bottom: 16px;
}

.form-header h1 {
  margin: 16px 0 0;
  color: var(--fannin-blue);
  font-size: 30px;
}

.form-header .subtitle {
  margin: 8px 0 0;
  color: var(--fannin-green);
  font-weight: 600;
  letter-spacing: 1px;
  font-size: 14px;
}

form {
  padding: 32px 24px 44px;
}

.form-intro {
  font-size: 16px;
  line-height: 1.6;
  color: #555;
  margin-bottom: 36px;
  padding: 16px 18px;
  background-color: #f4f6f9;
  border-radius: 8px;
  border-left: 4px solid var(--fannin-blue);
}

.required {
  color: var(--fannin-red);
}

.form-group,
.form-row {
  margin-bottom: 28px;
}

.form-row {
  display: flex;
  gap: 20px;
}

.form-row .form-group,
.form-group .form-row {
  margin-bottom: 0;
}

.form-row .form-group {
  flex: 1;
}

label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
  font-size: 16px;
  color: #2a2a2a;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 16px;
  background-color: #fff;
  font-family: inherit;
  min-height: 50px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--fannin-blue);
  box-shadow: 0 0 0 3px rgba(28, 79, 156, 0.12);
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: normal;
  font-size: 16px;
  cursor: pointer;
  padding: 16px 18px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 0;
  transition: border-color 0.2s, background-color 0.2s;
}

.radio-option:hover {
  border-color: var(--fannin-blue);
  background-color: #f7f9fc;
}

.radio-option input {
  width: 22px;
  height: 22px;
  margin: 0;
  flex-shrink: 0;
  accent-color: var(--fannin-blue);
}

.button-group {
  display: flex;
  gap: 12px;
}

.button-option {
  flex: 1;
  margin: 0;
}

.button-option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.button-option span {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px 10px;
  min-height: 50px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-weight: normal;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
}

.button-option input:checked + span {
  background-color: var(--fannin-blue);
  color: #fff;
  border-color: var(--fannin-blue);
}

.button-option input:focus-visible + span {
  outline: 2px solid var(--fannin-blue);
  outline-offset: 2px;
}

.submit-btn {
  display: block;
  width: 100%;
  padding: 18px;
  margin-top: 16px;
  background-color: var(--fannin-blue);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

.submit-btn:hover {
  background-color: #163d78;
}

.submit-btn:disabled {
  background-color: #99a9c0;
  cursor: not-allowed;
}

.success-message,
.error-message {
  text-align: center;
  padding: 50px 24px;
}

.success-message h2 {
  color: var(--fannin-green);
  margin-top: 0;
  font-size: 26px;
}

.success-message p,
.error-message p {
  font-size: 16px;
  line-height: 1.6;
}

.error-message p {
  color: var(--fannin-red);
}

@media (max-width: 600px) {
  body {
    padding: 0;
  }

  .form-container {
    border-radius: 0;
    box-shadow: none;
  }

  .form-header {
    padding: 32px 20px 20px;
  }

  form {
    padding: 28px 20px 36px;
  }

  .form-row {
    flex-direction: column;
    gap: 28px;
  }

  .button-group {
    flex-direction: column;
    gap: 10px;
  }

  .button-option span {
    justify-content: flex-start;
    padding-left: 18px;
  }
}