/* ===== Modais do site institucional Contaux ===== */
.ctx-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(2px);
  z-index: 9998;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
}
.ctx-overlay.active {
  display: flex;
  animation: ctxFade 0.2s ease;
}
.ctx-modal {
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 440px;
  margin: auto;
  position: relative;
  animation: ctxSlide 0.25s ease;
}
.ctx-modal-lg { max-width: 560px; }
.ctx-modal-header {
  padding: 28px 32px 0;
  text-align: center;
}
.ctx-modal-header img {
  width: 44px;
  margin-bottom: 12px;
}
.ctx-modal-header h3 {
  font-size: 22px;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 6px;
}
.ctx-modal-header p {
  font-size: 14px;
  color: #6b7280;
  margin: 0 0 0;
}
.ctx-modal-body {
  padding: 24px 32px 8px;
}
.ctx-modal-footer {
  padding: 8px 32px 28px;
  text-align: center;
}
.ctx-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 22px;
  color: #9ca3af;
  cursor: pointer;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}
.ctx-modal-close:hover {
  background: #f3f4f6;
  color: #374151;
}

/* Form fields */
.ctx-field {
  margin-bottom: 16px;
}
.ctx-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 6px;
}
.ctx-field input,
.ctx-field select,
.ctx-field textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid #e5e7eb;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  color: #1f2937;
  transition: border-color 0.15s, box-shadow 0.15s;
  background: #fff;
}
.ctx-field input:focus,
.ctx-field select:focus,
.ctx-field textarea:focus {
  outline: none;
  border-color: #3763EB;
  box-shadow: 0 0 0 3px rgba(55, 99, 235, 0.12);
}
.ctx-field textarea {
  resize: vertical;
  min-height: 80px;
}
.ctx-row {
  display: flex;
  gap: 14px;
}
.ctx-row .ctx-field {
  flex: 1;
}

/* Buttons */
.ctx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px 24px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}
.ctx-btn:active { transform: scale(0.98); }
.ctx-btn-primary {
  background: #3763EB;
  color: #fff;
}
.ctx-btn-primary:hover { background: #2d4fd1; }
.ctx-btn-secondary {
  background: #f3f4f6;
  color: #374151;
}
.ctx-btn-secondary:hover { background: #e5e7eb; }
.ctx-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Alert / feedback */
.ctx-alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}
.ctx-alert.active { display: block; }
.ctx-alert-success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}
.ctx-alert-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Links */
.ctx-link {
  background: none;
  border: none;
  color: #3763EB;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}
.ctx-link:hover { text-decoration: underline; }
.ctx-divider {
  text-align: center;
  margin: 18px 0;
  position: relative;
  font-size: 12px;
  color: #9ca3af;
}
.ctx-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: #e5e7eb;
}
.ctx-divider span {
  background: #fff;
  padding: 0 12px;
  position: relative;
}
.ctx-switch-text {
  font-size: 13px;
  color: #6b7280;
  margin-top: 18px;
}
.ctx-switch-text a {
  color: #3763EB;
  font-weight: 600;
  cursor: pointer;
}

/* Newsletter inline feedback */
.ctx-newsletter-msg {
  font-size: 13px;
  margin-top: 10px;
  display: none;
}
.ctx-newsletter-msg.active { display: block; }
.ctx-newsletter-msg.success { color: #059669; }
.ctx-newsletter-msg.error { color: #dc2626; }

@keyframes ctxFade {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes ctxSlide {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 480px) {
  .ctx-overlay { padding: 0; }
  .ctx-modal { border-radius: 0; min-height: 100vh; }
  .ctx-modal-close { top: 12px; right: 12px; }
}