/* ============================================
   Booking flow — multi-step form
   ============================================ */

.booking-shell {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: clamp(2rem, 3vw, 4rem);
  align-items: start;
}

@media (max-width: 960px) {
  .booking-shell { grid-template-columns: 1fr; }
}

.booking-panel {
  background: var(--white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 3vw, 3rem);
  box-shadow: var(--shadow);
}

.stepper {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
}

.stepper-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-400);
  transition: color var(--duration) var(--ease-out);
}

.stepper-item .num {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid var(--gray-200);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--gray-400);
  background: var(--white);
  transition: all var(--duration) var(--ease-out);
  flex: 0 0 auto;
}

.stepper-item.active {
  color: var(--navy-900);
}

.stepper-item.active .num {
  background: var(--amber-500);
  border-color: var(--amber-500);
  color: var(--navy-900);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.18);
}

.stepper-item.done { color: var(--navy-900); }

.stepper-item.done .num {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--white);
}

.stepper-line {
  flex: 0 0 auto;
  width: 20px;
  height: 2px;
  background: var(--gray-200);
  border-radius: 2px;
}

.stepper-item.done + .stepper-line { background: var(--navy-900); }

@media (max-width: 620px) {
  .stepper-item .label { display: none; }
  .stepper-line { flex: 1; }
}

.step {
  display: none;
  animation: fadeIn 350ms var(--ease-out);
}

.step.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-heading {
  margin-bottom: var(--space-8);
}

.step-heading h2 {
  font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  margin-bottom: var(--space-2);
}

.step-heading p { font-size: 0.98rem; }

/* Option cards (service type / urgency) */
.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}

.option-card {
  position: relative;
  display: block;
  padding: var(--space-5);
  background: var(--white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.option-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option-card:hover {
  border-color: var(--gray-400);
  transform: translateY(-2px);
}

.option-card .icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--gray-100);
  color: var(--navy-900);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-4);
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.option-card .icon svg { width: 22px; height: 22px; stroke-width: 2; }

.option-card h4 {
  font-size: 1rem;
  margin-bottom: var(--space-1);
}

.option-card p {
  font-size: 0.85rem;
  margin: 0;
}

.option-card input:checked + .option-inner,
.option-card:has(input:checked) {
  border-color: var(--navy-900);
  background: var(--navy-900);
  color: var(--white);
}

.option-card:has(input:checked) .icon {
  background: var(--amber-500);
  color: var(--navy-900);
}

.option-card:has(input:checked) h4 { color: var(--white); }
.option-card:has(input:checked) p { color: rgba(255,255,255,0.72); }

.option-card:has(input:checked)::after {
  content: '';
  position: absolute;
  top: 14px; right: 14px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--amber-500);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a1628' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

/* Field layout */
.field-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; }
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--navy-900);
}

.field label .req {
  color: var(--danger);
  margin-left: 2px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--white);
  font-size: 0.98rem;
  color: var(--navy-900);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.field textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  border-color: var(--amber-500);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.field .hint {
  font-size: var(--text-xs);
  color: var(--gray-500);
}

.field.error input,
.field.error select,
.field.error textarea {
  border-color: var(--danger);
}

.field .error-msg {
  display: none;
  font-size: var(--text-xs);
  color: var(--danger);
  font-weight: 500;
}

.field.error .error-msg { display: block; }

/* Date / time chip group */
.slot-group h4 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--navy-900);
  margin-bottom: var(--space-3);
}

.slot-group + .slot-group { margin-top: var(--space-6); }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  background: var(--white);
  transition: all var(--duration-fast) var(--ease-out);
}

.chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.chip:hover {
  border-color: var(--gray-400);
  color: var(--navy-900);
}

.chip:has(input:checked) {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--white);
}

.chip:has(input:disabled) {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Step nav */
.step-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.step-nav .btn-ghost {
  color: var(--gray-600);
  border-color: var(--color-border);
}

.step-nav .btn-ghost:hover {
  color: var(--navy-900);
  border-color: var(--navy-900);
}

/* Summary sidebar */
.summary {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  background: var(--navy-900);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  overflow: hidden;
  isolation: isolate;
}

.summary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 110% -10%, rgba(245,158,11,0.2), transparent 55%);
  z-index: -1;
}

.summary h3 {
  color: var(--white);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  font-family: var(--font-sans);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.summary dl {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.summary dt {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.summary dd {
  font-size: 0.95rem;
  color: var(--white);
  font-weight: 500;
}

.summary dd.empty {
  color: rgba(255,255,255,0.35);
  font-weight: 400;
  font-style: italic;
}

.summary-footer {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}

.summary-footer .line {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-2);
}

.summary-footer svg {
  width: 16px; height: 16px;
  color: var(--amber-400);
  flex: 0 0 auto;
}

@media (max-width: 960px) {
  .summary { position: relative; top: auto; }
}

/* Confirmation step */
.confirmation {
  text-align: center;
  padding: var(--space-10) 0;
}

.confirmation-icon {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--amber-500), var(--amber-400));
  display: grid;
  place-items: center;
  margin: 0 auto var(--space-8);
  color: var(--navy-900);
  box-shadow: 0 20px 40px -12px rgba(245, 158, 11, 0.45);
}

.confirmation-icon svg { width: 48px; height: 48px; stroke-width: 2.5; }

.confirmation h2 {
  font-size: clamp(1.75rem, 1.3rem + 1.5vw, 2.5rem);
  margin-bottom: var(--space-4);
}

.confirmation p {
  font-size: 1.05rem;
  max-width: 52ch;
  margin: 0 auto var(--space-8);
}

.confirmation-details {
  display: inline-flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-8);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  text-align: left;
  margin-bottom: var(--space-8);
}

.confirmation-details strong {
  display: block;
  font-size: 0.8rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: 2px;
}

.confirmation-details span {
  font-size: 1rem;
  color: var(--navy-900);
  font-weight: 500;
}

.confirmation-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}