/* Booking system — NC Coiffure */
.booking-shell {
  padding: clamp(8rem, 14vw, 11rem) 0 clamp(4rem, 8vw, 7rem);
  background: var(--bg);
  position: relative; isolation: isolate;
}
.booking-shell::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(at 20% 10%, rgba(212, 160, 156, 0.22) 0px, transparent 50%),
    radial-gradient(at 80% 90%, rgba(197, 165, 115, 0.16) 0px, transparent 50%);
  pointer-events: none;
}
.booking-shell .container { max-width: 920px; }

.stepper {
  display: flex; align-items: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  flex-wrap: wrap;
}
.stepper .step {
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.stepper .step .step-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.9rem;
  background: rgba(255,255,255,0.6);
}
.stepper .step.active .step-num {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: var(--bg);
}
.stepper .step.done .step-num {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}
.stepper .sep {
  flex: 0 0 28px;
  height: 1px;
  background: var(--line);
}

.book-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: 0.5rem;
}
.book-title em { font-style: italic; color: var(--accent-deep); }
.book-intro {
  color: var(--ink-mute);
  max-width: 60ch;
  margin-bottom: 2.5rem;
}

.book-card {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
}
.book-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  font-family: var(--font-display);
}
.book-card .field-label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.book-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.85rem;
}
.book-option {
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.55);
  cursor: pointer;
  transition: all 0.3s var(--ease);
  text-align: left;
  position: relative;
}
.book-option:hover {
  border-color: var(--accent-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px -10px rgba(184,120,115,0.25);
}
.book-option[aria-pressed="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
}
.book-option .opt-name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}
.book-option .opt-meta {
  display: flex; justify-content: space-between;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  opacity: 0.8;
}

.book-period-tabs {
  display: flex; gap: 0.5rem;
  margin-bottom: 1rem;
}
.book-period-tab {
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  transition: all 0.3s var(--ease);
}
.book-period-tab[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(94px, 1fr));
  gap: 0.55rem;
}
.slot-btn {
  padding: 0.65rem 0.5rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.5);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.25s var(--ease);
  cursor: pointer;
}
.slot-btn:hover:not(:disabled) {
  border-color: var(--accent-deep);
  color: var(--accent-deep);
}
.slot-btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.slot-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.date-input,
.book-input,
.book-textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.6);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  transition: border-color 0.3s var(--ease);
}
.date-input:focus,
.book-input:focus,
.book-textarea:focus {
  outline: none;
  border-color: var(--accent-deep);
}
.book-textarea { resize: vertical; min-height: 90px; }

.book-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
@media (max-width: 600px) { .book-row { grid-template-columns: 1fr; } }

.book-summary {
  position: sticky; top: 90px;
  padding: 1.5rem;
  background: var(--glass-strong);
  backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
}
.book-summary h4 {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
}
.summary-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.95rem;
}
.summary-row .label { color: var(--ink-mute); }
.summary-row .value { font-family: var(--font-display); font-size: 1.05rem; }
.summary-total {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-top: 1rem;
  margin-top: 1rem;
  border-top: 1px solid var(--line);
}
.summary-total .label {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.summary-total .value {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent-deep);
}

.book-actions {
  display: flex; gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.book-actions .btn { padding: 1rem 1.5rem; }

/* Payment mode toggle */
.payment-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.payment-mode {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.55);
  cursor: pointer;
  text-align: left;
  transition: all 0.3s var(--ease);
}
.payment-mode[aria-pressed="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
}
.payment-mode .pm-title {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.3rem;
}
.payment-mode .pm-desc {
  font-size: 0.85rem;
  opacity: 0.75;
}

/* Stripe-like CB visual */
.card-visual {
  background: linear-gradient(135deg, #1A1614 0%, #2D241D 35%, var(--accent-deep) 100%);
  color: var(--bg);
  padding: 1.75rem;
  border-radius: 14px;
  margin-bottom: 1.5rem;
  font-family: 'JetBrains Mono', 'Geist Mono', monospace;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  aspect-ratio: 1.6 / 1;
  max-width: 380px;
  box-shadow: 0 24px 60px -20px rgba(45, 36, 29, 0.4);
}
.card-visual::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(at 0% 0%, rgba(255,255,255,0.18), transparent 50%),
    radial-gradient(at 100% 100%, rgba(212, 160, 156, 0.25), transparent 60%);
  animation: cardshine 8s linear infinite;
}
@keyframes cardshine {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(20px); }
}
.card-chip {
  width: 38px; height: 28px;
  background: linear-gradient(135deg, #E2C779, #C5A573);
  border-radius: 5px;
  margin-bottom: 1.5rem;
  opacity: 0.92;
}
.card-number {
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  margin-bottom: 1.25rem;
  text-shadow: 0 1px 8px rgba(0,0,0,0.3);
}
.card-number .digit-group { margin-right: 0.55rem; transition: color 0.3s; }
.card-bottom {
  display: flex; justify-content: space-between; align-items: flex-end;
}
.card-bottom .field-name {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.6;
  display: block;
  margin-bottom: 0.25rem;
}
.card-bottom .field-value {
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}
.card-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  font-style: italic;
}

.card-form .book-row { margin-bottom: 0.75rem; }
.card-form input { font-family: 'JetBrains Mono', monospace; letter-spacing: 0.05em; }

.book-success {
  text-align: center;
  padding: 2.5rem 1.5rem;
}
.book-success .checkmark {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--accent-deep);
  color: var(--bg);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.25rem;
}

.legal-note {
  font-size: 0.78rem;
  color: var(--ink-mute);
  margin-top: 1rem;
  line-height: 1.55;
}

/* Two-column booking layout */
.booking-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 880px) {
  .booking-grid { grid-template-columns: 1fr; }
  .book-summary { position: static; }
}