/* ============================================
   Lumina Dental — Online Booking Wizard
   Clinical luxury · fluid multi-step UX
   ============================================ */

.bk-overlay {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(0.75rem, env(safe-area-inset-top)) max(0.75rem, env(safe-area-inset-right)) max(0.75rem, env(safe-area-inset-bottom)) max(0.75rem, env(safe-area-inset-left));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out-expo, cubic-bezier(0.16, 1, 0.3, 1)),
    visibility 0.4s;
}

.bk-overlay.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.bk-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(126, 221, 211, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(11, 43, 51, 0.5), transparent 50%),
    rgba(7, 26, 34, 0.72);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
}

.bk-shell {
  position: relative;
  width: min(920px, 100%);
  max-height: min(92vh, 860px);
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.97) 0%, rgba(244, 251, 250, 0.98) 100%);
  border-radius: 28px;
  border: 1px solid rgba(126, 221, 211, 0.35);
  box-shadow:
    0 40px 100px rgba(7, 26, 34, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.4) inset,
    0 0 80px rgba(126, 221, 211, 0.12);
  overflow: hidden;
  transform: translateY(28px) scale(0.96);
  opacity: 0;
  transition: transform 0.5s var(--ease-out-expo, cubic-bezier(0.16, 1, 0.3, 1)),
    opacity 0.45s ease;
}

.bk-overlay.is-open .bk-shell {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.bk-shell::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--mint-deep, #2BB3A8), var(--mint, #7EDDD3), var(--gold, #D4C4A8));
  background-size: 200% 100%;
  animation: bkShimmer 4s linear infinite;
  z-index: 2;
}

@keyframes bkShimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* Header */
.bk-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 1.5rem 0.85rem;
  flex-shrink: 0;
}

.bk-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bk-brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--ocean, #0B2B33), var(--teal, #0E8F8A));
  color: var(--mint, #7EDDD3);
  box-shadow: 0 8px 20px rgba(11, 43, 51, 0.25);
}

.bk-brand-mark svg {
  width: 22px;
  height: 22px;
}

.bk-brand-text strong {
  display: block;
  font-family: var(--font-display, 'Fraunces', Georgia, serif);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--ocean, #0B2B33);
  letter-spacing: -0.01em;
}

.bk-brand-text span {
  font-size: 0.75rem;
  color: var(--slate, #3D5A63);
  font-weight: 400;
}

.bk-close {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--ocean, #0B2B33);
  background: rgba(11, 43, 51, 0.05);
  border: 1px solid rgba(11, 43, 51, 0.08);
  cursor: pointer;
  transition: background 0.25s, transform 0.25s var(--ease-spring, cubic-bezier(0.34, 1.56, 0.64, 1)), color 0.2s;
  flex-shrink: 0;
}

.bk-close:hover {
  background: rgba(11, 43, 51, 0.1);
  transform: rotate(90deg) scale(1.05);
  color: var(--teal, #0E8F8A);
}

.bk-close svg {
  width: 18px;
  height: 18px;
}

/* Progress */
.bk-progress {
  padding: 0.35rem 1.5rem 0.9rem;
  flex-shrink: 0;
}

.bk-progress-track {
  height: 4px;
  border-radius: 99px;
  background: rgba(11, 43, 51, 0.08);
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.bk-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint-deep, #2BB3A8), var(--mint, #7EDDD3));
  box-shadow: 0 0 12px rgba(126, 221, 211, 0.6);
  transition: width 0.55s var(--ease-out-expo, cubic-bezier(0.16, 1, 0.3, 1));
}

.bk-steps {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.bk-step-pill {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mist, #B7D4D1);
  padding: 0.28rem 0.55rem;
  border-radius: 99px;
  background: transparent;
  transition: color 0.3s, background 0.3s, transform 0.3s;
}

.bk-step-pill.is-done {
  color: var(--teal, #0E8F8A);
  background: rgba(46, 179, 168, 0.1);
}

.bk-step-pill.is-active {
  color: var(--ocean, #0B2B33);
  background: rgba(126, 221, 211, 0.28);
  transform: scale(1.04);
}

/* Body */
.bk-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.25rem 1.5rem 1rem;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.bk-panel {
  display: none;
  animation: bkPanelIn 0.45s var(--ease-out-expo, cubic-bezier(0.16, 1, 0.3, 1)) both;
}

.bk-panel.is-active {
  display: block;
}

@keyframes bkPanelIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.bk-panel-title {
  font-family: var(--font-display, 'Fraunces', Georgia, serif);
  font-weight: 500;
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  color: var(--ocean, #0B2B33);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
  line-height: 1.25;
}

.bk-panel-title em {
  font-family: var(--font-italic-display, 'Instrument Serif', Georgia, serif);
  font-style: italic;
  font-weight: 400;
  color: var(--teal, #0E8F8A);
}

.bk-panel-sub {
  font-size: 0.92rem;
  color: var(--slate, #3D5A63);
  margin-bottom: 1.25rem;
  line-height: 1.55;
  max-width: 42ch;
}

/* Service cards */
.bk-service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.7rem;
}

.bk-service-card {
  text-align: left;
  padding: 1rem 1rem 0.9rem;
  border-radius: 18px;
  border: 1.5px solid rgba(11, 43, 51, 0.08);
  background: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.35s, transform 0.35s var(--ease-spring, cubic-bezier(0.34, 1.56, 0.64, 1)), background 0.3s;
  position: relative;
  overflow: hidden;
}

.bk-service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(126, 221, 211, 0.12), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.bk-service-card:hover {
  border-color: rgba(46, 179, 168, 0.45);
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(11, 43, 51, 0.08);
}

.bk-service-card:hover::after {
  opacity: 1;
}

.bk-service-card.is-selected {
  border-color: var(--mint-deep, #2BB3A8);
  background: linear-gradient(160deg, rgba(126, 221, 211, 0.22), rgba(255, 255, 255, 0.95));
  box-shadow: 0 0 0 1px rgba(46, 179, 168, 0.3), 0 12px 28px rgba(46, 179, 168, 0.15);
}

.bk-service-card.is-selected::after {
  opacity: 1;
}

.bk-service-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.55rem;
  position: relative;
  z-index: 1;
}

.bk-service-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(11, 43, 51, 0.06);
  color: var(--teal, #0E8F8A);
}

.bk-service-card.is-selected .bk-service-icon {
  background: var(--ocean, #0B2B33);
  color: var(--mint, #7EDDD3);
}

.bk-service-icon svg {
  width: 18px;
  height: 18px;
}

.bk-service-dur {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--slate, #3D5A63);
  background: rgba(11, 43, 51, 0.05);
  padding: 0.2rem 0.5rem;
  border-radius: 99px;
}

.bk-service-card strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ocean, #0B2B33);
  margin-bottom: 0.25rem;
  position: relative;
  z-index: 1;
}

.bk-service-card p {
  font-size: 0.75rem;
  color: var(--slate, #3D5A63);
  line-height: 1.4;
  position: relative;
  z-index: 1;
}

.bk-service-card .bk-urgent-tag {
  display: inline-block;
  margin-top: 0.45rem;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #c45c5c;
  background: rgba(224, 122, 122, 0.15);
  padding: 0.15rem 0.45rem;
  border-radius: 99px;
  position: relative;
  z-index: 1;
}

/* Provider cards */
.bk-provider-grid {
  display: grid;
  gap: 0.65rem;
}

.bk-provider-card {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-align: left;
  padding: 0.95rem 1.1rem;
  border-radius: 16px;
  border: 1.5px solid rgba(11, 43, 51, 0.08);
  background: rgba(255, 255, 255, 0.9);
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s var(--ease-spring, cubic-bezier(0.34, 1.56, 0.64, 1));
}

.bk-provider-card:hover {
  border-color: rgba(46, 179, 168, 0.4);
  transform: translateX(4px);
}

.bk-provider-card.is-selected {
  border-color: var(--mint-deep, #2BB3A8);
  background: linear-gradient(90deg, rgba(126, 221, 211, 0.2), rgba(255, 255, 255, 0.95));
  box-shadow: 0 8px 24px rgba(46, 179, 168, 0.12);
}

.bk-provider-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display, 'Fraunces', Georgia, serif);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--mint, #7EDDD3);
  background: linear-gradient(145deg, var(--ocean, #0B2B33), var(--teal, #0E8F8A));
  flex-shrink: 0;
}

.bk-provider-card strong {
  display: block;
  font-size: 0.95rem;
  color: var(--ocean, #0B2B33);
  font-weight: 600;
}

.bk-provider-card span {
  font-size: 0.78rem;
  color: var(--slate, #3D5A63);
}

.bk-check {
  margin-left: auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid rgba(11, 43, 51, 0.15);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: background 0.25s, border-color 0.25s;
}

.bk-provider-card.is-selected .bk-check,
.bk-service-card.is-selected .bk-check-float {
  background: var(--mint-deep, #2BB3A8);
  border-color: var(--mint-deep, #2BB3A8);
  color: white;
}

.bk-check svg {
  width: 12px;
  height: 12px;
  opacity: 0;
  transition: opacity 0.2s;
}

.bk-provider-card.is-selected .bk-check svg {
  opacity: 1;
}

/* Calendar + slots */
.bk-datetime {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 720px) {
  .bk-datetime {
    grid-template-columns: 1fr;
  }
}

.bk-cal {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(11, 43, 51, 0.08);
  border-radius: 18px;
  padding: 1rem;
}

.bk-cal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.bk-cal-head strong {
  font-family: var(--font-display, 'Fraunces', Georgia, serif);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--ocean, #0B2B33);
}

.bk-cal-nav {
  display: flex;
  gap: 0.35rem;
}

.bk-cal-nav button {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(11, 43, 51, 0.05);
  color: var(--ocean, #0B2B33);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.bk-cal-nav button:hover:not(:disabled) {
  background: rgba(126, 221, 211, 0.35);
  transform: scale(1.06);
}

.bk-cal-nav button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.bk-cal-nav button svg {
  width: 16px;
  height: 16px;
}

.bk-cal-dow {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 0.35rem;
}

.bk-cal-dow span {
  text-align: center;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mist, #B7D4D1);
  padding: 0.25rem 0;
}

.bk-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}

.bk-cal-day {
  aspect-ratio: 1;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ocean, #0B2B33);
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  transition: background 0.2s, color 0.2s, transform 0.2s var(--ease-spring, cubic-bezier(0.34, 1.56, 0.64, 1));
}

.bk-cal-day:hover:not(:disabled):not(.is-empty) {
  background: rgba(126, 221, 211, 0.25);
  transform: scale(1.08);
}

.bk-cal-day.is-empty {
  cursor: default;
  visibility: hidden;
}

.bk-cal-day:disabled,
.bk-cal-day.is-closed,
.bk-cal-day.is-past {
  color: rgba(61, 90, 99, 0.35);
  cursor: not-allowed;
}

.bk-cal-day.is-closed,
.bk-cal-day.is-full {
  text-decoration: line-through;
  opacity: 0.45;
}

.bk-cal-day.has-slots::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mint-deep, #2BB3A8);
}

.bk-cal-day.is-selected {
  background: linear-gradient(145deg, var(--ocean, #0B2B33), var(--teal, #0E8F8A));
  color: white;
  box-shadow: 0 6px 16px rgba(11, 43, 51, 0.25);
}

.bk-cal-day.is-selected.has-slots::after {
  background: var(--mint, #7EDDD3);
}

.bk-cal-day.is-today:not(.is-selected) {
  box-shadow: inset 0 0 0 1.5px var(--mint-deep, #2BB3A8);
}

.bk-slots-panel {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(11, 43, 51, 0.08);
  border-radius: 18px;
  padding: 1rem;
  min-height: 280px;
  display: flex;
  flex-direction: column;
}

.bk-slots-head {
  margin-bottom: 0.85rem;
}

.bk-slots-head strong {
  display: block;
  font-size: 0.95rem;
  color: var(--ocean, #0B2B33);
  margin-bottom: 0.15rem;
}

.bk-slots-head span {
  font-size: 0.78rem;
  color: var(--slate, #3D5A63);
}

.bk-slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 0.45rem;
  flex: 1;
  align-content: start;
  max-height: 320px;
  overflow-y: auto;
}

.bk-slot {
  padding: 0.65rem 0.4rem;
  border-radius: 12px;
  border: 1.5px solid rgba(11, 43, 51, 0.1);
  background: white;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ocean, #0B2B33);
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease-spring, cubic-bezier(0.34, 1.56, 0.64, 1)), color 0.2s;
}

.bk-slot:hover:not(:disabled) {
  border-color: var(--mint-deep, #2BB3A8);
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(46, 179, 168, 0.15);
}

.bk-slot.is-selected {
  background: linear-gradient(145deg, var(--ocean, #0B2B33), var(--teal, #0E8F8A));
  border-color: transparent;
  color: white;
  box-shadow: 0 8px 18px rgba(11, 43, 51, 0.22);
}

.bk-slot:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  text-decoration: line-through;
}

.bk-slots-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
  color: var(--slate, #3D5A63);
  font-size: 0.88rem;
  gap: 0.5rem;
}

.bk-slots-empty svg {
  width: 36px;
  height: 36px;
  color: var(--mist, #B7D4D1);
  margin-bottom: 0.25rem;
}

.bk-slots-loading {
  flex: 1;
  display: grid;
  place-items: center;
  color: var(--slate, #3D5A63);
  font-size: 0.88rem;
  gap: 0.75rem;
}

.bk-spinner {
  width: 28px;
  height: 28px;
  border: 2.5px solid rgba(46, 179, 168, 0.2);
  border-top-color: var(--mint-deep, #2BB3A8);
  border-radius: 50%;
  animation: bkSpin 0.7s linear infinite;
}

@keyframes bkSpin {
  to { transform: rotate(360deg); }
}

/* Forms */
.bk-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1rem;
}

.bk-form-grid .bk-full {
  grid-column: 1 / -1;
}

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

.bk-field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate, #3D5A63);
  margin-bottom: 0.4rem;
}

.bk-field label .req {
  color: var(--danger, #E07A7A);
  margin-left: 2px;
}

.bk-field input,
.bk-field select,
.bk-field textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border-radius: 14px;
  border: 1.5px solid rgba(11, 43, 51, 0.1);
  background: rgba(255, 255, 255, 0.95);
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--ocean, #0B2B33);
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.bk-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%233D5A63' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.2rem;
}

.bk-field input:focus,
.bk-field select:focus,
.bk-field textarea:focus {
  border-color: var(--mint-deep, #2BB3A8);
  box-shadow: 0 0 0 3px rgba(126, 221, 211, 0.3);
}

.bk-field textarea {
  resize: vertical;
  min-height: 88px;
}

.bk-field input::placeholder,
.bk-field textarea::placeholder {
  color: rgba(61, 90, 99, 0.45);
}

.bk-check-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.95rem 1.05rem;
  border-radius: 14px;
  background: rgba(126, 221, 211, 0.12);
  border: 1.5px solid rgba(46, 179, 168, 0.25);
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
  user-select: none;
}

.bk-check-row:hover {
  background: rgba(126, 221, 211, 0.2);
}

/* Strong visual when confirmed */
.bk-check-row.is-checked,
.bk-check-row:has(input:checked) {
  background: linear-gradient(120deg, rgba(126, 221, 211, 0.35), rgba(46, 179, 168, 0.18));
  border-color: var(--mint-deep, #2BB3A8);
  box-shadow: 0 0 0 1px rgba(46, 179, 168, 0.25), 0 8px 20px rgba(46, 179, 168, 0.12);
}

.bk-check-row input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.bk-check-ui {
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 7px;
  border: 2px solid rgba(11, 43, 51, 0.25);
  background: white;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.bk-check-ui svg {
  width: 12px;
  height: 12px;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.2s, transform 0.25s var(--ease-spring, cubic-bezier(0.34, 1.56, 0.64, 1));
  color: white;
}

.bk-check-row.is-checked .bk-check-ui,
.bk-check-row:has(input:checked) .bk-check-ui {
  background: var(--mint-deep, #2BB3A8);
  border-color: var(--mint-deep, #2BB3A8);
  transform: scale(1.05);
}

.bk-check-row.is-checked .bk-check-ui svg,
.bk-check-row:has(input:checked) .bk-check-ui svg {
  opacity: 1;
  transform: scale(1);
}

.bk-check-row span {
  font-size: 0.88rem;
  color: var(--ocean, #0B2B33);
  line-height: 1.45;
}

/* Pre-filled reason from Smile Check — no re-typing */
.bk-reason-locked {
  display: none;
  padding: 0.9rem 1.05rem;
  border-radius: 14px;
  background: linear-gradient(120deg, rgba(11, 43, 51, 0.04), rgba(126, 221, 211, 0.15));
  border: 1px solid rgba(46, 179, 168, 0.25);
}

.bk-reason-locked.is-visible {
  display: block;
}

.bk-reason-locked label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--teal, #0E8F8A);
  margin-bottom: 0.3rem;
}

.bk-reason-locked strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ocean, #0B2B33);
  line-height: 1.4;
}

.bk-reason-locked button {
  margin-top: 0.55rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--teal, #0E8F8A);
  text-decoration: underline;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
}

.bk-field.is-hidden {
  display: none !important;
}

.bk-segment {
  display: flex;
  gap: 0.4rem;
  padding: 0.25rem;
  background: rgba(11, 43, 51, 0.05);
  border-radius: 14px;
}

.bk-segment button {
  flex: 1;
  padding: 0.65rem 0.5rem;
  border-radius: 11px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--slate, #3D5A63);
  cursor: pointer;
  transition: background 0.25s, color 0.25s, box-shadow 0.25s, transform 0.2s;
}

.bk-segment button.is-active {
  background: white;
  color: var(--ocean, #0B2B33);
  box-shadow: 0 4px 12px rgba(11, 43, 51, 0.1);
  transform: scale(1.02);
}

/* Review */
.bk-review {
  display: grid;
  gap: 0.75rem;
}

.bk-review-card {
  padding: 1.1rem 1.2rem;
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(11, 43, 51, 0.04), rgba(126, 221, 211, 0.12));
  border: 1px solid rgba(46, 179, 168, 0.2);
}

.bk-review-card h4 {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal, #0E8F8A);
  margin-bottom: 0.65rem;
}

.bk-review-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(11, 43, 51, 0.05);
}

.bk-review-row:last-child {
  border-bottom: none;
}

.bk-review-row dt {
  color: var(--slate, #3D5A63);
  flex-shrink: 0;
}

.bk-review-row dd {
  color: var(--ocean, #0B2B33);
  font-weight: 500;
  text-align: right;
}

.bk-review-highlight {
  text-align: center;
  padding: 1.25rem 1rem;
  border-radius: 18px;
  background: linear-gradient(145deg, var(--ocean, #0B2B33), var(--ocean-soft, #163A44));
  color: white;
  margin-bottom: 0.25rem;
}

.bk-review-highlight .bk-when {
  font-family: var(--font-display, 'Fraunces', Georgia, serif);
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.bk-review-highlight .bk-time {
  font-size: 1rem;
  color: var(--mint, #7EDDD3);
  font-weight: 500;
}

.bk-review-highlight .bk-svc {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  opacity: 0.85;
}

/* Success */
.bk-success {
  text-align: center;
  padding: 1.5rem 0.5rem 1rem;
}

.bk-success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(126, 221, 211, 0.35), rgba(46, 179, 168, 0.2));
  display: grid;
  place-items: center;
  color: var(--mint-deep, #2BB3A8);
  animation: bkPop 0.6s var(--ease-spring, cubic-bezier(0.34, 1.56, 0.64, 1));
}

@keyframes bkPop {
  from { transform: scale(0.4); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.bk-success-icon svg {
  width: 36px;
  height: 36px;
}

.bk-success h3 {
  font-family: var(--font-display, 'Fraunces', Georgia, serif);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--ocean, #0B2B33);
  margin-bottom: 0.4rem;
}

.bk-success p {
  color: var(--slate, #3D5A63);
  font-size: 0.95rem;
  max-width: 36ch;
  margin: 0 auto 1.25rem;
  line-height: 1.55;
}

.bk-success-id {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--teal, #0E8F8A);
  background: rgba(126, 221, 211, 0.2);
  padding: 0.4rem 0.85rem;
  border-radius: 99px;
  margin-bottom: 1.25rem;
}

.bk-success-card {
  text-align: left;
  max-width: 360px;
  margin: 0 auto 1.5rem;
  padding: 1rem 1.15rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(11, 43, 51, 0.08);
}

/* Footer nav */
.bk-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 1.5rem 1.25rem;
  border-top: 1px solid rgba(11, 43, 51, 0.06);
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(8px);
  flex-shrink: 0;
}

.bk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.8rem 1.35rem;
  border-radius: 99px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.3s var(--ease-spring, cubic-bezier(0.34, 1.56, 0.64, 1)),
    box-shadow 0.3s, background 0.25s, opacity 0.25s;
  border: none;
  font-family: inherit;
}

.bk-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
}

.bk-btn-ghost {
  background: transparent;
  color: var(--slate, #3D5A63);
  border: 1.5px solid rgba(11, 43, 51, 0.12);
}

.bk-btn-ghost:hover:not(:disabled) {
  background: rgba(11, 43, 51, 0.04);
  transform: translateX(-2px);
}

.bk-btn-primary {
  background: linear-gradient(135deg, var(--ocean, #0B2B33), var(--teal, #0E8F8A));
  color: white;
  box-shadow: 0 8px 24px rgba(11, 43, 51, 0.22);
  min-width: 140px;
}

.bk-btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(11, 43, 51, 0.3);
}

.bk-btn-primary.is-loading {
  pointer-events: none;
  opacity: 0.85;
}

.bk-btn svg {
  width: 16px;
  height: 16px;
}

.bk-error {
  display: none;
  margin: 0 1.5rem 0.5rem;
  padding: 0.7rem 0.95rem;
  border-radius: 12px;
  background: rgba(224, 122, 122, 0.12);
  border: 1px solid rgba(224, 122, 122, 0.3);
  color: #a84848;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.bk-error.is-visible {
  display: block;
  animation: bkPanelIn 0.35s ease both;
}

/* Inline promo on contact section */
.bk-promo {
  margin-top: 1.5rem;
  padding: 1.25rem 1.35rem;
  border-radius: 20px;
  background:
    linear-gradient(145deg, rgba(11, 43, 51, 0.97), rgba(14, 58, 64, 0.95));
  color: white;
  position: relative;
  overflow: hidden;
}

.bk-promo::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(126, 221, 211, 0.2);
  filter: blur(40px);
  pointer-events: none;
}

.bk-promo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mint, #7EDDD3);
  margin-bottom: 0.55rem;
}

.bk-promo-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint, #7EDDD3);
  animation: bkPulse 2s ease-in-out infinite;
}

@keyframes bkPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.bk-promo h3 {
  font-family: var(--font-display, 'Fraunces', Georgia, serif);
  font-weight: 500;
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
  position: relative;
}

.bk-promo p {
  font-size: 0.88rem;
  opacity: 0.8;
  line-height: 1.5;
  margin-bottom: 1rem;
  max-width: 32ch;
  position: relative;
}

.bk-promo .bk-open-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.75rem 1.2rem;
  border-radius: 99px;
  background: linear-gradient(135deg, var(--mint, #7EDDD3), var(--aqua, #4EC4C0));
  color: var(--navy, #071A22);
  font-weight: 600;
  font-size: 0.88rem;
  border: none;
  cursor: pointer;
  transition: transform 0.3s var(--ease-spring, cubic-bezier(0.34, 1.56, 0.64, 1)), box-shadow 0.3s;
  box-shadow: 0 8px 24px rgba(126, 221, 211, 0.3);
}

.bk-promo .bk-open-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(126, 221, 211, 0.4);
}

.bk-promo .bk-open-btn svg {
  width: 16px;
  height: 16px;
}

/* Honeypot */
.bk-hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Body lock when open */
body.bk-open {
  overflow: hidden;
}

/* Keep system cursor hidden so the site custom cursor is the only one visible */
@media (pointer: fine) {
  body.bk-open,
  body.bk-open * {
    cursor: none !important;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .bk-shell,
  .bk-panel,
  .bk-overlay,
  .bk-success-icon,
  .bk-service-card,
  .bk-provider-card,
  .bk-slot {
    transition: none !important;
    animation: none !important;
  }
}

@media (max-width: 560px) {
  .bk-shell {
    max-height: 100%;
    height: 100%;
    border-radius: 20px;
  }

  .bk-header {
    padding: 1.1rem 1.1rem 0.6rem;
  }

  .bk-progress {
    padding: 0.25rem 1.1rem 0.7rem;
  }

  .bk-body {
    padding: 0.15rem 1.1rem 0.85rem;
  }

  .bk-footer {
    padding: 0.75rem 1.1rem 1rem;
  }

  .bk-step-pill {
    font-size: 0.6rem;
    padding: 0.22rem 0.4rem;
  }

  .bk-btn {
    padding: 0.75rem 1.1rem;
    font-size: 0.85rem;
  }

  .bk-btn-primary {
    min-width: 120px;
  }
}