/* ─── GSheet Contact Form Styles ──────────────────────────────── */

.gcf-wrapper {
  --gcf-primary:     #2563eb;
  --gcf-primary-h:   #1d4ed8;
  --gcf-success:     #16a34a;
  --gcf-error:       #dc2626;
  --gcf-border:      #e2e8f0;
  --gcf-border-f:    #2563eb;
  --gcf-bg:          #ffffff;
  --gcf-bg-field:    #f8fafc;
  --gcf-text:        #0f172a;
  --gcf-text-muted:  #64748b;
  --gcf-radius:      10px;
  --gcf-shadow:      0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(37,99,235,.08);

  max-width: 640px;
  margin: 0 auto;
  font-family: -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--gcf-text);
}

/* Header */
.gcf-header {
  margin-bottom: 28px;
}
.gcf-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--gcf-text);
  line-height: 1.25;
}
.gcf-description {
  margin: 0;
  color: var(--gcf-text-muted);
  font-size: .95rem;
  line-height: 1.6;
}

/* Alert */
.gcf-alert {
  border-radius: var(--gcf-radius);
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: .92rem;
  font-weight: 500;
  line-height: 1.5;
  animation: gcfFadeIn .3s ease;
}
.gcf-alert-success {
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  color: var(--gcf-success);
}
.gcf-alert-error {
  background: #fef2f2;
  border: 1.5px solid #fca5a5;
  color: var(--gcf-error);
}

/* Form body */
.gcf-form-body {
  background: var(--gcf-bg);
  border: 1.5px solid var(--gcf-border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--gcf-shadow);
}

/* Grid row */
.gcf-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 520px) {
  .gcf-row { grid-template-columns: 1fr; }
  .gcf-form-body { padding: 20px; }
}

/* Field */
.gcf-field {
  margin-bottom: 20px;
}
.gcf-col .gcf-field { margin-bottom: 0; }

.gcf-label {
  display: block;
  font-size: .84rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--gcf-text-muted);
  margin-bottom: 7px;
}
.gcf-required { color: var(--gcf-error); margin-left: 2px; }
.gcf-optional { font-weight: 400; text-transform: none; letter-spacing: 0; font-size: .82rem; color: #94a3b8; }

/* Inputs */
.gcf-input,
.gcf-textarea {
  width: 100%;
  box-sizing: border-box;
  background: var(--gcf-bg-field);
  border: 1.5px solid var(--gcf-border);
  border-radius: var(--gcf-radius);
  padding: 11px 14px;
  font-size: .95rem;
  color: var(--gcf-text);
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s, background .2s;
  outline: none;
  -webkit-appearance: none;
}
.gcf-input::placeholder,
.gcf-textarea::placeholder {
  color: #cbd5e1;
}
.gcf-input:focus,
.gcf-textarea:focus {
  border-color: var(--gcf-border-f);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.gcf-input.gcf-invalid,
.gcf-textarea.gcf-invalid {
  border-color: var(--gcf-error);
  background: #fff5f5;
}
.gcf-textarea {
  resize: vertical;
  min-height: 110px;
}

/* Submit */
.gcf-submit-wrap {
  margin-top: 8px;
}
.gcf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gcf-primary);
  color: #fff;
  border: none;
  border-radius: var(--gcf-radius);
  padding: 13px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background .2s, transform .1s, box-shadow .2s;
  box-shadow: 0 2px 8px rgba(37,99,235,.25);
  width: 100%;
}
.gcf-btn:hover  { background: var(--gcf-primary-h); box-shadow: 0 4px 14px rgba(37,99,235,.35); }
.gcf-btn:active { transform: scale(.98); }
.gcf-btn:disabled { opacity: .65; cursor: not-allowed; }

/* Spinner animation */
.gcf-btn-loading svg {
  animation: gcfSpin .7s linear infinite;
}
@keyframes gcfSpin {
  to { transform: rotate(360deg); }
}
@keyframes gcfFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Success state ─── */
.gcf-wrapper.gcf-submitted .gcf-form-body {
  display: none;
}