:root {
  --bk-bg: #f3efe8;
  --bk-bg-deep: #1a1714;
  --bk-card: #fffcf8;
  --bk-text: #1c1917;
  --bk-muted: #6b6560;
  --bk-accent: #b45309;
  --bk-accent-soft: #d4a24e;
  --bk-accent-hover: #92400e;
  --bk-border: #e8e2d9;
  --bk-header-text: #f5f0e8;
  --bk-radius: 18px;
  --bk-font: "DM Sans", system-ui, sans-serif;
  --bk-display: "Cormorant Garamond", Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--bk-font);
  color: var(--bk-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  background:
    radial-gradient(120% 80% at 50% -20%, rgba(212, 162, 78, 0.14), transparent 55%),
    radial-gradient(90% 60% at 100% 0%, rgba(180, 83, 9, 0.06), transparent 50%),
    linear-gradient(180deg, #ebe6de 0%, var(--bk-bg) 28%, #f7f3ed 100%);
}

.hidden { display: none !important; }

.bk-container {
  width: min(640px, calc(100% - 1.5rem));
  margin-inline: auto;
}

/* —— Header —— */
.bk-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(135deg, #141210 0%, #221e1a 48%, #2a2520 100%);
  border-bottom: 1px solid rgba(212, 162, 78, 0.22);
  box-shadow: 0 12px 40px rgba(20, 18, 16, 0.35);
}
.bk-header::after {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--bk-accent-soft), transparent);
  opacity: 0.65;
}
.bk-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}
.bk-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--bk-header-text);
  font-family: var(--bk-display);
  font-size: 1.35rem;
  font-weight: 600;
  min-width: 0;
  letter-spacing: 0.02em;
}
.bk-brand span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bk-brand:has(img:not([hidden])) #bk-name {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.bk-brand img {
  width: auto;
  height: 46px;
  max-width: 180px;
  border-radius: 8px;
  object-fit: contain;
  object-position: left center;
  border: none;
  background: rgba(255, 255, 255, 0.04);
  padding: 4px 6px;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.35));
}
.bk-header-nav {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}
.bk-link-ghost {
  padding: 0.55rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  color: rgba(245, 240, 232, 0.82);
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.bk-link-ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(212, 162, 78, 0.45);
}
#bk-order-link.bk-link-ghost:not(.hidden) {
  background: linear-gradient(135deg, rgba(212, 162, 78, 0.35), rgba(180, 83, 9, 0.45));
  border-color: rgba(212, 162, 78, 0.5);
  color: #fff;
}
#bk-order-link.bk-link-ghost:not(.hidden):hover {
  background: linear-gradient(135deg, var(--bk-accent-soft), var(--bk-accent));
}

/* —— Main —— */
.bk-main { padding: 2rem 0 3.5rem; }
.bk-hero {
  text-align: center;
  margin-bottom: 1.75rem;
  padding: 0.5rem 0 0;
}
.bk-eyebrow {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--bk-accent);
  margin: 0 0 0.65rem;
  font-weight: 600;
}
.bk-hero h1 {
  font-family: var(--bk-display);
  font-size: clamp(2.1rem, 7vw, 2.85rem);
  margin: 0 0 0.65rem;
  font-weight: 600;
  color: #141210;
  line-height: 1.15;
}
.bk-lead {
  margin: 0;
  color: var(--bk-muted);
  font-size: 1.02rem;
  max-width: 38ch;
  margin-inline: auto;
  line-height: 1.6;
}

.bk-loading { text-align: center; padding: 3rem; color: var(--bk-muted); }
.bk-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--bk-border);
  border-top-color: var(--bk-accent);
  border-radius: 50%;
  animation: bk-spin 0.7s linear infinite;
  margin: 0 auto 1rem;
}
@keyframes bk-spin { to { transform: rotate(360deg); } }

.bk-card {
  background: var(--bk-card);
  border: 1px solid var(--bk-border);
  border-radius: var(--bk-radius);
  padding: 1.35rem 1.25rem 1.25rem;
  margin-bottom: 1.1rem;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 16px 48px rgba(28, 25, 23, 0.07);
  position: relative;
  overflow: hidden;
}
.bk-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--bk-accent-soft), var(--bk-accent));
  opacity: 0.85;
}
.bk-section-title {
  font-family: var(--bk-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0.15rem 0 1.1rem;
  color: #292524;
}

.bk-cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}
.bk-month-label {
  font-family: var(--bk-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: #292524;
}
.bk-icon-btn {
  width: 42px;
  height: 42px;
  border: 1px solid var(--bk-border);
  border-radius: 12px;
  background: #fff;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--bk-text);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.bk-icon-btn:hover {
  border-color: var(--bk-accent-soft);
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.12);
}

.bk-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
  margin-bottom: 5px;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--bk-muted);
  text-align: center;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.bk-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}
.bk-day {
  aspect-ratio: 1;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  color: var(--bk-text);
}
.bk-day:hover:not(:disabled):not(.bk-day-empty) {
  border-color: var(--bk-accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(180, 83, 9, 0.12);
}
.bk-day-empty { background: transparent; cursor: default; }
.bk-day-disabled {
  background: #f0ebe4;
  color: #b8b0a6;
  cursor: not-allowed;
  opacity: 0.75;
}
.bk-day-today {
  box-shadow: inset 0 0 0 2px var(--bk-accent-soft);
  background: #fffaf3;
}
.bk-day-selected {
  background: linear-gradient(145deg, var(--bk-accent-soft), var(--bk-accent));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(180, 83, 9, 0.28);
}

.bk-hint { font-size: 0.85rem; color: var(--bk-muted); margin: 0.85rem 0 0; }

.bk-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(76px, 1fr));
  gap: 0.55rem;
}
.bk-slot {
  padding: 0.7rem 0.5rem;
  border: 1px solid var(--bk-border);
  border-radius: 12px;
  background: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}
.bk-slot:hover {
  border-color: var(--bk-accent-soft);
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.1);
}
.bk-slot-selected {
  background: linear-gradient(145deg, var(--bk-accent-soft), var(--bk-accent));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(180, 83, 9, 0.25);
}

.bk-form-grid {
  display: grid;
  gap: 0.9rem;
}
@media (min-width: 520px) {
  .bk-form-grid { grid-template-columns: 1fr 1fr; }
}
.bk-field { display: flex; flex-direction: column; gap: 0.35rem; }
.bk-field span { font-size: 0.85rem; font-weight: 600; color: var(--bk-muted); }
.bk-field input,
.bk-field textarea {
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--bk-border);
  border-radius: 12px;
  font: inherit;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.bk-field input:focus,
.bk-field textarea:focus {
  outline: none;
  border-color: var(--bk-accent-soft);
  box-shadow: 0 0 0 3px rgba(212, 162, 78, 0.2);
}
.bk-field-full { margin-top: 0.9rem; }
.bk-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}
.bk-summary {
  margin: 1rem 0;
  padding: 0.9rem 1.1rem;
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  border-radius: 12px;
  border: 1px solid #fde68a;
  font-size: 0.95rem;
}
.bk-error {
  color: #b91c1c;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.bk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  width: 100%;
}
.bk-btn:active { transform: scale(0.98); }
.bk-btn-primary {
  background: linear-gradient(135deg, var(--bk-accent-soft), var(--bk-accent));
  color: #fff;
  box-shadow: 0 8px 24px rgba(180, 83, 9, 0.28);
}
.bk-btn-primary:hover {
  background: linear-gradient(135deg, #e0b85c, var(--bk-accent-hover));
  box-shadow: 0 10px 28px rgba(180, 83, 9, 0.35);
}
.bk-btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.bk-btn-ghost {
  background: #fff;
  color: var(--bk-text);
  border: 1px solid var(--bk-border);
}

.bk-success-card {
  text-align: center;
  padding: 2.25rem 1.35rem;
  margin-top: 0.5rem;
}
.bk-success-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 1rem;
  background: linear-gradient(145deg, #ecfdf5, #d1fae5);
  color: #059669;
  border-radius: 50%;
  font-size: 2rem;
  line-height: 68px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(5, 150, 105, 0.15);
}
.bk-success-actions {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}
.bk-btn-home {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: auto;
  min-width: min(100%, 280px);
  padding: 1rem 2rem;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  background: linear-gradient(135deg, #141210, #3d3832);
  color: #f5f0e8;
  border-radius: 999px;
  box-shadow: 0 10px 32px rgba(20, 18, 16, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.bk-btn-home:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(20, 18, 16, 0.38);
  color: #fff;
}
.bk-btn-home-icon {
  font-size: 1.2rem;
  line-height: 1;
  opacity: 0.9;
}

.bk-footer {
  text-align: center;
  padding: 2rem 1.5rem 2.5rem;
  font-size: 0.8rem;
  color: var(--bk-muted);
}
.bk-footer a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.bk-footer a:hover {
  color: var(--bk-accent);
  border-bottom-color: var(--bk-accent-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}