/* ============================================
   ISTech - Contact Page (contact.css)
   ============================================ */

/* ---------- Contact Layout ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 56px;
  align-items: start;
}

/* ---------- Contact Info Sidebar ---------- */
.contact-info {
  background: var(--primary);
  border-radius: var(--radius);
  padding: 40px 36px;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  color: #fff;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.contact-info > p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin-bottom: 32px;
  font-weight: 300;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 36px;
}

.contact-detail-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.contact-detail-item:hover {
  background: rgba(255,255,255,0.06);
}

.cdi-icon {
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-detail-item strong {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 4px;
}

.contact-detail-item span {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  line-height: 1.6;
}

.contact-detail-item a {
  color: rgba(255,255,255,0.8);
  transition: color var(--transition);
}
.contact-detail-item a:hover { color: var(--accent); }

/* Social */
.contact-social h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 14px;
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
  font-family: var(--font-display);
}

.social-link:hover {
  background: var(--accent);
  color: var(--primary);
  transform: translateY(-2px);
}

/* ---------- Contact Form ---------- */
.contact-form-wrapper {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 44px;
}

.form-header {
  margin-bottom: 36px;
}

.form-header h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 6px;
}

.form-header p {
  font-size: 14px;
  color: var(--text-muted);
}

/* Form elements */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.req {
  color: var(--accent-warm);
  font-size: 13px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  transition: all var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7A99' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(0,194,168,0.12);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #e53935;
  background: rgba(229,57,53,0.03);
}

.field-error {
  font-size: 12px;
  color: #e53935;
  font-weight: 500;
  min-height: 16px;
}

/* Placeholder */
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

/* Checkbox */
.form-checkbox {
  margin-bottom: 28px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-radius: 5px;
  flex-shrink: 0;
  margin-top: 1px;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
}

.checkbox-label input:checked + .checkbox-custom {
  background: var(--accent);
  border-color: var(--accent);
}

.checkbox-label input:checked + .checkbox-custom::after {
  content: '✓';
  font-size: 12px;
  color: var(--primary);
  font-weight: 700;
}

/* Submit button */
.submit-btn {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 16px;
  font-weight: 600;
  gap: 12px;
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn-arrow {
  transition: transform var(--transition);
}
.submit-btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* Success state */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 48px 24px;
  gap: 16px;
}

.success-icon {
  font-size: 56px;
  animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.5); }
  to   { opacity: 1; transform: scale(1); }
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
}

.form-success p {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 380px;
  line-height: 1.7;
  font-weight: 300;
}

/* ---------- FAQ ---------- */
.section-head {
  text-align: center;
  margin-bottom: 56px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.faq-item h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.faq-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .contact-layout { grid-template-columns: 1fr; }
  .contact-info { position: static; }
  .faq-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .contact-form-wrapper { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
}