/* ── Page base: white — remap the dark theme tokens for this page only ── */
.surface-page {
  --color-bg:         #ffffff;
  --color-surface:    #f4f2ee;
  --color-text:       #111111;
  --color-text-muted: #6b6762;
  --color-border:     rgba(0, 0, 0, 0.08);
}

/* Header and footer stay black: restore the original dark tokens inside it */
.surface-page .logo-wrap,
.surface-page .site-header,
.surface-page .site-footer {
  --color-bg:         #090909;
  --color-text:       #f0ede8;
  --color-text-muted: #7a7570;
  --color-border:     rgba(255, 255, 255, 0.08);
  background: var(--color-bg);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   PAGE HEADER
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.surface-header {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-xl);
}

.surface-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.surface-subtitle {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  max-width: none;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   CARD GRID
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.surface-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

/* ── Flip Card Mechanics ── */
.card-wrapper {
  perspective: 1200px;
  cursor: pointer;
  border-radius: var(--radius-lg);
  transition: box-shadow 500ms ease, transform 500ms ease;
}

.card-wrapper:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(46, 139, 110, 0.35), 0 4px 16px rgba(46, 139, 110, 0.15);
}

.card {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  transform-style: preserve-3d;
  /* spring overshoot easing gives a "snap into place" magical feel */
  transition: transform 750ms cubic-bezier(0.34, 1.4, 0.64, 1);
}

.card-wrapper:hover .card,
.card-wrapper:focus-within .card {
  transform: rotateY(180deg);
}

.card-front,
.card-back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  overflow: hidden;
}

/* Front — artwork image */
.card-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* covers have transparent margins; zoom so the artwork fills the card (slight bleed) */
  transform: scale(1.26);
}

.card-front--placeholder {
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Back — dark with decorative star pattern */
.card-back {
  background: var(--color-surface);
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  text-align: center;
  gap: var(--space-md);
  border: 1px solid var(--color-border);
}

.card-back-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.card-back-tagline {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.card-back-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: var(--space-sm);
}

.card-back-cta::after {
  content: '→';
}

/* Empty state */
.surface-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-3xl) 0;
  color: var(--color-text-muted);
}

/* ── Responsive ── */
@media (max-width: 1023px) {
  .surface-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-2xl); }
}

@media (max-width: 639px) {
  .surface-grid { grid-template-columns: 1fr; gap: var(--space-2xl); }

  /* Disable hover flip on touch; show back on tap instead */
  .card-wrapper:hover .card { transform: none; }
  .card-wrapper.tapped .card { transform: rotateY(180deg); }
}