/**
 * Shared frontend form submit loading state (overlay + button spinner).
 */

form.is-submitting {
  position: relative;
  pointer-events: none;
}

form.is-submitting button[type="submit"],
form.is-submitting button[type="submit"].is-loading {
  cursor: wait;
  opacity: 0.9;
}

form.is-submitting button[type="submit"].is-loading::before {
  content: "";
  display: inline-block;
  width: 1rem;
  height: 1rem;
  margin-right: 0.5rem;
  vertical-align: -0.15em;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: form-submit-spin 0.7s linear infinite;
}

#landing-inquiry-form.is-submitting button[type="submit"].is-loading::before {
  border-color: rgba(15, 23, 42, 0.18);
  border-top-color: #0f172a;
}

.form-submit-overlay {
  position: absolute;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  border-radius: inherit;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(2px);
}

.form-submit-overlay[hidden] {
  display: none !important;
}

.form-submit-overlay-panel {
  text-align: center;
  max-width: 18rem;
}

.form-submit-spinner {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.75rem;
  border: 3px solid rgba(200, 16, 46, 0.18);
  border-top-color: #c8102e;
  border-radius: 50%;
  animation: form-submit-spin 0.75s linear infinite;
}

.form-submit-message {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
}

.form-submit-hint {
  margin: 0.35rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: #64748b;
}

@keyframes form-submit-spin {
  to {
    transform: rotate(360deg);
  }
}