* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1f2937; background: #ffffff; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.sdu-form { max-width: 680px; margin: 0 auto; padding: 28px 24px 40px; }
.sdu-form h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 24px; font-weight: 700; color: #111827; margin-bottom: 6px;
}
.form-subtitle { font-size: 14px; color: #6b7280; margin-bottom: 18px; }
.sdu-notice {
  background: #f0faf0; border: 1px solid #c3e4c2; border-radius: 8px;
  padding: 12px 14px; font-size: 13px; color: #2a6628; margin-bottom: 20px;
}
.sdu-notice strong { color: #1f5c1d; }
.form-error {
  display: none; background: #fef2f2; border: 1px solid #fecaca;
  color: #b91c1c; border-radius: 8px; padding: 11px 14px;
  font-size: 13px; margin-bottom: 16px;
}
.form-error.visible { display: block; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: 13px; font-weight: 600;
  color: #374151; margin-bottom: 5px;
}
.required { color: #dc2626; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; font-family: inherit; font-size: 14px; color: #1f2937;
  padding: 9px 11px; border: 1px solid #d1d5db; border-radius: 8px;
  background: #fff; transition: border-color .15s, box-shadow .15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: #4cad49;
  box-shadow: 0 0 0 3px rgba(76, 173, 73, 0.12);
}
.form-group textarea { min-height: 84px; resize: vertical; }
.field-hint { font-size: 12px; color: #6b7280; margin-top: 5px; }
.form-consent {
  display: flex; gap: 10px; align-items: flex-start;
  margin: 18px 0; font-size: 13px; color: #374151;
}
.form-consent input { margin-top: 2px; flex-shrink: 0; }
.form-turnstile { margin: 4px 0 18px; }
.form-submit-btn {
  width: 100%; font-family: inherit; font-size: 15px; font-weight: 600;
  color: #fff; background: #4cad49; border: none; border-radius: 8px;
  padding: 13px 20px; cursor: pointer; transition: background .15s;
}
.form-submit-btn:hover { background: #3a8f37; }
.form-submit-btn:disabled { opacity: .6; cursor: default; }
.form-success { text-align: center; padding: 32px 16px; }
.check-icon { margin-bottom: 12px; }
.form-success h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 20px; font-weight: 700; color: #111827; margin-bottom: 10px;
}
.form-success p { font-size: 14px; color: #4b5563; margin-bottom: 10px; }
.sdu-reference {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 22px; font-weight: 700; color: #4cad49;
  letter-spacing: .5px; margin: 8px 0 14px !important;
}
@media (max-width: 560px) {
  .form-row { flex-direction: column; gap: 0; }
}