.gtc-form-section { padding: 10px 0 40px; }
.gtc-form-card {
  background: #fff;
  border: 1px solid #e3e6ea;
  border-top: 4px solid #1f7a57;
  border-radius: 3px;
  padding: 30px 32px 34px;
  box-shadow: 0 1px 4px rgba(41, 74, 112, .08);
}
.gtc-form-card h3 {
  margin: 0 0 6px;
  color: #294a70;
  font-size: 24px;
  line-height: 1.3;
}
.gtc-form-intro { margin: 0 0 22px; color: #666; font-size: 15px; }
.gtc-grid { display: flex; flex-wrap: wrap; margin: 0 -10px; }
.gtc-field { padding: 0 10px 18px; width: 100%; box-sizing: border-box; }
@media (min-width: 700px) { .gtc-field.gtc-half { width: 50%; } }
.gtc-field label { display: block; margin-bottom: 6px; color: #294a70; font-weight: 600; font-size: 14px; }
.gtc-field .gtc-req { color: #c0392b; margin-left: 2px; }
.gtc-field input,
.gtc-field textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 13px;
  border: 1px solid #ccd2d9;
  border-radius: 2px;
  background: #fdfdfd;
  font: inherit;
  font-size: 15px;
  color: #333;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.gtc-field textarea { min-height: 140px; resize: vertical; }
.gtc-field input:focus,
.gtc-field textarea:focus {
  outline: none;
  border-color: #1f7a57;
  box-shadow: 0 0 0 3px rgba(31, 122, 87, .18);
  background: #fff;
}
.gtc-field input[aria-invalid="true"],
.gtc-field textarea[aria-invalid="true"] { border-color: #c0392b; background: #fffafa; }
.gtc-error { display: block; margin-top: 5px; color: #c0392b; font-size: 13px; min-height: 0; }
.gtc-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.gtc-actions { padding: 4px 10px 0; display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.gtc-submit {
  appearance: none;
  border: 0;
  background: #1f7a57;
  color: #294a70;
  font: inherit;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .3px;
  padding: 13px 34px;
  border-radius: 2px;
  cursor: pointer;
  transition: background .15s ease, transform .05s ease;
}
.gtc-submit:hover  { background: #18704e; }
.gtc-submit:active { transform: translateY(1px); }
.gtc-submit:focus-visible { outline: 3px solid #294a70; outline-offset: 2px; }
.gtc-submit[disabled] { opacity: .6; cursor: not-allowed; }
.gtc-status { margin: 0; font-size: 14.5px; }
.gtc-status:empty { display: none; }
.gtc-status.is-ok   { color: #1e7a4c; font-weight: 600; }
.gtc-status.is-fail { color: #c0392b; font-weight: 600; }
.gtc-done {
  border: 1px solid #b7e0c8;
  background: #f2fbf6;
  color: #1e7a4c;
  padding: 26px 28px;
  border-radius: 3px;
  text-align: center;
}
.gtc-done h3 { color: #1e7a4c; margin: 0 0 8px; }
.gtc-done p  { margin: 0; color: #46685a; }