/* =========================================================
   ARCA LUXURY STONE — Form Styles
   intl-tel-input gold theme + form layout
   ========================================================= */

/* ------- Form Section Wrapper ------- */
.form-section {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 72px);
  box-shadow: var(--shadow-card);
}
.form-section h2 { margin-bottom: 8px; }
.form-section .form-sub {
  font-size: 1rem;
  color: var(--gray-text);
  margin-bottom: 36px;
  line-height: 1.7;
}

/* ------- Field Groups ------- */
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.form-group.full { grid-column: 1 / -1; }

/* ------- Labels ------- */
.form-label {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dark-mid);
}
.form-label .req { color: var(--gold); margin-left: 2px; }

/* ------- Inputs & Textarea ------- */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  background: var(--white);
  border: 1.5px solid var(--gray-mid);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--dark);
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(215, 175, 77, 0.15);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--gray-mid); }
.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.7;
}
.form-input.error,
.form-textarea.error { border-color: #c0392b; }

/* ------- Phone Field — intl-tel-input overrides ------- */
.iti {
  width: 100%;
  display: block;
}
.iti__flag-container { z-index: 10; }
.iti__selected-flag {
  background: var(--white) !important;
  border-right: 1.5px solid var(--gray-mid) !important;
  padding: 0 12px !important;
  outline: none;
}
.iti__selected-flag:hover,
.iti__selected-flag:focus {
  background: var(--gold-pale) !important;
}
.iti__selected-dial-code {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--dark);
  margin-left: 8px;
}
.iti__flag { transform: scale(1.1); }
.iti__country-list {
  border: 1.5px solid var(--gold) !important;
  border-radius: var(--radius) !important;
  box-shadow: 0 8px 32px rgba(26,24,21,0.15) !important;
  font-family: var(--font-body) !important;
  font-size: 0.9rem !important;
  max-height: 260px !important;
  scrollbar-width: thin;
  scrollbar-color: var(--gold) var(--gray-light);
}
.iti__country-list::-webkit-scrollbar { width: 4px; }
.iti__country-list::-webkit-scrollbar-track { background: var(--gray-light); }
.iti__country-list::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 2px; }
.iti__country.iti__highlight,
.iti__country:hover {
  background: var(--gold-pale) !important;
}
.iti__divider { border-bottom-color: var(--gray-mid) !important; }
.iti__search-input {
  border-bottom: 1.5px solid var(--gray-mid) !important;
  padding: 10px 12px !important;
  font-family: var(--font-body) !important;
  outline: none !important;
}
.iti__search-input:focus { border-bottom-color: var(--gold) !important; }

/* Phone input itself */
#phone {
  padding-left: 90px !important;
}

/* ------- Checkbox Group (Stone Types) ------- */
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  margin-top: 4px;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text);
  padding: 12px 14px;
  border: 1.5px solid var(--gray-mid);
  border-radius: var(--radius);
  transition: border-color 0.3s, background 0.3s;
  user-select: none;
}
.checkbox-label:hover { border-color: var(--gold); background: var(--gold-pale); }
.checkbox-label input[type="checkbox"] { display: none; }
.checkbox-custom {
  width: 18px;
  height: 18px;
  border: 2px solid var(--gray-mid);
  border-radius: 3px;
  flex-shrink: 0;
  transition: border-color 0.3s, background 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.checkbox-label input[type="checkbox"]:checked ~ .checkbox-custom {
  background: var(--gold);
  border-color: var(--gold);
}
.checkbox-label input[type="checkbox"]:checked ~ .checkbox-custom::after {
  content: '✓';
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
}
.checkbox-label input[type="checkbox"]:checked + .checkbox-custom { /* fallback sibling */ }
.checkbox-label:has(input:checked) { border-color: var(--gold); background: var(--gold-pale); }

/* ------- Radio Group (Project Type) ------- */
.radio-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.radio-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text);
  padding: 12px 20px;
  border: 1.5px solid var(--gray-mid);
  border-radius: var(--radius);
  transition: border-color 0.3s, background 0.3s;
  user-select: none;
}
.radio-label:hover { border-color: var(--gold); background: var(--gold-pale); }
.radio-label input[type="radio"] { display: none; }
.radio-custom {
  width: 18px;
  height: 18px;
  border: 2px solid var(--gray-mid);
  border-radius: 50%;
  flex-shrink: 0;
  transition: border-color 0.3s;
  position: relative;
}
.radio-custom::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  transition: transform 0.2s var(--ease-smooth);
}
.radio-label:has(input:checked) { border-color: var(--gold); background: var(--gold-pale); }
.radio-label:has(input:checked) .radio-custom { border-color: var(--gold); }
.radio-label:has(input:checked) .radio-custom::after { transform: translate(-50%, -50%) scale(1); }

/* ------- Consent Checkboxes (Twilio + Privacy) ------- */
.consent-group { display: flex; flex-direction: column; gap: 14px; margin: 24px 0; }
.consent-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--gray-text);
  line-height: 1.6;
}
.consent-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 2px solid var(--gray-mid);
  border-radius: 3px;
  accent-color: var(--gold);
  cursor: pointer;
  margin-top: 2px;
}
.consent-item a { color: var(--gold); text-decoration: underline; }
.consent-item a:hover { color: var(--gold-dark); }

/* ------- Submit Button ------- */
.form-submit {
  width: 100%;
  padding: 20px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s var(--ease-smooth);
  box-shadow: 0 4px 20px rgba(215, 175, 77, 0.4);
  position: relative;
  overflow: hidden;
  margin-top: 8px;
}
.form-submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  opacity: 0;
  transition: opacity 0.3s;
}
.form-submit:hover::before { opacity: 1; }
.form-submit:hover {
  box-shadow: 0 8px 32px rgba(215, 175, 77, 0.6);
  transform: translateY(-2px);
}
.form-submit:active { transform: translateY(0); }
.form-submit span { position: relative; z-index: 1; }
.form-submit.loading { pointer-events: none; opacity: 0.75; }

/* ------- Form Error Message ------- */
.form-error {
  font-size: 0.8rem;
  color: #c0392b;
  margin-top: 4px;
  display: none;
}
.form-error.show { display: block; }

/* ------- Form Success / Error Banner ------- */
.form-message {
  padding: 16px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: none;
}
.form-message.success {
  background: rgba(39, 174, 96, 0.1);
  border: 1.5px solid #27ae60;
  color: #1e8449;
  display: block;
}
.form-message.error {
  background: rgba(192, 57, 43, 0.1);
  border: 1.5px solid #c0392b;
  color: #c0392b;
  display: block;
}

/* ------- Responsive ------- */
@media (max-width: 768px) {
  .form-section { padding: 32px 20px; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .checkbox-group { grid-template-columns: 1fr 1fr; }
  .radio-group { flex-direction: column; }
}
@media (max-width: 480px) {
  .checkbox-group { grid-template-columns: 1fr; }
}