/* ==========================================================================
   KISD Pricing Calculator Styles
   ========================================================================== */

:root {
  --calc-green:       #2d6a35;
  --calc-green-dark:  #1a3d1f;
  --calc-green-light: #e8f2e9;
  --calc-green-acc:   #4a9455;
  --calc-charcoal:    #1e2422;
  --calc-gray:        #6b7068;
  --calc-gray-light:  #c8ccc9;
  --calc-cream:       #f5f2ec;
  --calc-white:       #ffffff;
  --calc-border:      rgba(0,0,0,.1);
  --calc-radius:      12px;
  --calc-shadow:      0 8px 32px rgba(0,0,0,.12);
  --calc-transition:  0.18s ease;
}

/* --------------------------------------------------------------------------
   Wrapper
   -------------------------------------------------------------------------- */
.kisd-calculator {
  background: var(--calc-white);
  border-radius: var(--calc-radius);
  box-shadow: var(--calc-shadow);
  overflow: hidden;
  max-width: 860px;
  margin: 0 auto;
  font-family: 'Inter', 'Barlow', system-ui, sans-serif;
}

/* --------------------------------------------------------------------------
   Progress bar
   -------------------------------------------------------------------------- */
.calc-progress-bar {
  height: 4px;
  background: var(--calc-gray-light);
}

.calc-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--calc-green-dark), var(--calc-green-acc));
  transition: width 0.4s ease;
  width: 33.33%;
}

/* --------------------------------------------------------------------------
   Steps
   -------------------------------------------------------------------------- */
.calc-step {
  display: none;
}

.calc-step.active {
  display: block;
}

.calc-step-header {
  padding: 32px 40px 24px;
  border-bottom: 1px solid var(--calc-border);
  background: var(--calc-cream);
}

.calc-step-num {
  font-size: .8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--calc-green);
  margin-bottom: 8px;
}

.calc-step-num span {
  font-weight: 400;
  color: var(--calc-gray);
}

.calc-step-header h3 {
  font-family: 'Barlow', system-ui, sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--calc-charcoal);
  margin: 0 0 6px;
}

.calc-step-header p {
  font-size: .92rem;
  color: var(--calc-gray);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Body
   -------------------------------------------------------------------------- */
.calc-body {
  padding: 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* --------------------------------------------------------------------------
   Field label
   -------------------------------------------------------------------------- */
.calc-field > label {
  display: block;
  font-size: .85rem;
  font-weight: 800;
  color: var(--calc-charcoal);
  letter-spacing: .02em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Option cards grid
   -------------------------------------------------------------------------- */
.calc-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
}

.calc-options-grid--3 {
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
}

.calc-options-grid--4 {
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
}

/* Hide native radio */
.calc-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.calc-option-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 16px 12px;
  border: 2px solid var(--calc-border);
  border-radius: 10px;
  background: var(--calc-white);
  cursor: pointer;
  transition: all var(--calc-transition);
  text-align: center;
  min-height: 80px;
}

.calc-option-card--compact {
  min-height: 52px;
  padding: 12px 8px;
}

.calc-option:hover .calc-option-card {
  border-color: var(--calc-green);
  background: var(--calc-green-light);
}

.calc-option input:checked + .calc-option-card {
  border-color: var(--calc-green);
  background: var(--calc-green-light);
  box-shadow: 0 0 0 2px var(--calc-green);
}

.calc-option-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.calc-option-label {
  font-size: .82rem;
  font-weight: 700;
  color: var(--calc-charcoal);
  line-height: 1.3;
}

.calc-option-desc {
  font-size: .72rem;
  color: var(--calc-gray);
  line-height: 1.3;
}

/* --------------------------------------------------------------------------
   Checkboxes
   -------------------------------------------------------------------------- */
.calc-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 12px 16px;
  border: 2px solid var(--calc-border);
  border-radius: 8px;
  transition: all var(--calc-transition);
}

.calc-checkbox:hover {
  border-color: var(--calc-green);
  background: var(--calc-green-light);
}

.calc-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--calc-green);
  flex-shrink: 0;
}

.calc-checkbox input:checked ~ .calc-checkbox-label {
  color: var(--calc-green-dark);
  font-weight: 700;
}

.calc-checkbox-label {
  font-size: .9rem;
  color: var(--calc-charcoal);
}

/* --------------------------------------------------------------------------
   Footer nav
   -------------------------------------------------------------------------- */
.calc-footer {
  padding: 20px 40px;
  border-top: 1px solid var(--calc-border);
  background: var(--calc-cream);
  display: flex;
  justify-content: flex-end;
}

.calc-footer--between {
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   Result display
   -------------------------------------------------------------------------- */
.calc-result {
  background: var(--calc-green-dark);
  border-radius: var(--calc-radius);
  padding: 32px;
  color: #fff;
  margin-bottom: 24px;
}

.calc-result-range {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 12px;
}

.calc-result-label {
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255,255,255,.7);
}

.calc-result-price {
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  font-family: 'Barlow', system-ui, sans-serif;
  letter-spacing: -.02em;
}

.calc-result-note {
  font-size: .82rem;
  color: rgba(255,255,255,.65);
  margin: 0 0 16px;
}

.calc-result-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.calc-summary-chip {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: .75rem;
  font-weight: 700;
  color: rgba(255,255,255,.85);
}

.calc-haul-warning {
  background: rgba(245,158,11,.15);
  border: 1px solid rgba(245,158,11,.4);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: .85rem;
  color: #fcd34d;
  margin-top: 12px;
}

/* --------------------------------------------------------------------------
   Contact form within calculator
   -------------------------------------------------------------------------- */
.calc-contact-form {
  background: #fff;
  border: 1px solid var(--calc-border);
  border-radius: var(--calc-radius);
  padding: 32px;
}

.calc-contact-form h4 {
  font-family: 'Barlow', system-ui, sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--calc-charcoal);
}

.calc-contact-form p {
  font-size: .9rem;
  color: var(--calc-gray);
  margin-bottom: 20px;
}

.calc-contact-form .form-group { margin-bottom: 0; }
.calc-contact-form .kisd-form { gap: 14px; }

#calc-form-message {
  padding: 14px 18px;
  border-radius: 8px;
  margin-top: 12px;
  font-weight: 600;
  font-size: .92rem;
}

#calc-form-message.success {
  background: var(--calc-green-light);
  color: var(--calc-green-dark);
}

#calc-form-message.error {
  background: #fef2f2;
  color: #991b1b;
}

/* --------------------------------------------------------------------------
   Validation error styling
   -------------------------------------------------------------------------- */
.calc-field-error {
  border: 2px solid #ef4444 !important;
}

.calc-error-msg {
  color: #dc2626;
  font-size: .78rem;
  margin-top: 6px;
  font-weight: 600;
}

.calc-step-error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: .85rem;
  font-weight: 600;
  margin: 0 40px 16px;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .calc-step-header,
  .calc-body,
  .calc-footer,
  .calc-contact-form { padding-left: 20px; padding-right: 20px; }

  .calc-body { padding-top: 24px; padding-bottom: 24px; gap: 24px; }

  .calc-result { padding: 20px; }
  .calc-result-price { font-size: 1.8rem; }

  .calc-options-grid,
  .calc-options-grid--3,
  .calc-options-grid--4 { grid-template-columns: repeat(2, 1fr); }

  .calc-footer { flex-direction: column-reverse; gap: 10px; }
  .calc-footer .btn { width: 100%; justify-content: center; }
}