/* ==========================================================================
   RSON DESIGN STUDIO — STALL DESIGN PAGE & MULTI-ANGLE GALLERY STYLES
   Editorial Light Aesthetic strictly matching design-system.css & layout.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   01. STALL DESIGN HERO
   -------------------------------------------------------------------------- */
.stalls-hero {
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-hairline);
  position: relative;
}

.stalls-hero-inner {
  max-width: 980px;
}

.stalls-meta-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  letter-spacing: 0.16em;
  color: var(--accent-beige);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.stalls-meta-divider {
  color: var(--border-light);
}

.stalls-hero-title {
  font-family: var(--font-serif);
  font-size: var(--text-hero);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.stalls-hero-intro {
  font-family: var(--font-sans);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: var(--space-xl);
}

.stalls-stats-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(1rem, 2vw, 2.5rem);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-hairline);
}

.stalls-stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stalls-stat-val {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
}

.stalls-stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   02. FILTER BAR
   -------------------------------------------------------------------------- */
.stalls-filter-section {
  padding: 1.25rem 0;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-hairline);
  position: static;
  transition: box-shadow var(--transition-base);
}

.stalls-filter-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.stalls-filter-pills {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.stalls-filter-pills::-webkit-scrollbar {
  display: none;
}

.stall-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-hairline);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-subtle);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.stall-pill:hover {
  background-color: #FFFFFF;
  color: var(--text-primary);
  border-color: var(--border-light);
}

.stall-pill.active {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  border-color: var(--bg-dark);
}

.stall-pill-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-beige);
}

.stalls-hint-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   03. STALL DESIGN CARDS EDITORIAL GRID
   -------------------------------------------------------------------------- */
.stalls-grid-section {
  padding: clamp(3rem, 6vw, 6rem) 0;
  background-color: var(--bg-primary);
}

.stalls-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.75rem, 3.5vw, 3rem);
}

.stall-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  cursor: pointer;
  position: relative;
}

.stall-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-dark);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.06);
}

/* Primary Visual Frame (Full Image Display, No Cropping) */
.stall-card-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #0B0C0E;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stall-card[data-stall-id="oasis"] .stall-card-visual {
  background-color: #888888;
}

.stall-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: transform var(--transition-slow), filter 0.3s ease;
  filter: saturate(0.85) contrast(0.96) brightness(0.98);
}

.stall-card:hover .stall-card-img {
  transform: scale(1.03);
  filter: saturate(0.88) contrast(0.97) brightness(0.99);
}

.stall-angles-badge,
.stall-category-badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background-color: rgba(17, 18, 20, 0.85);
  color: #FFFFFF;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-subtle);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  gap: 5px;
  pointer-events: none;
  z-index: 2;
}

.stall-angles-badge::before,
.stall-category-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--accent-beige);
  border-radius: 50%;
  display: inline-block;
}

.stall-click-cue {
  position: absolute;
  bottom: var(--space-sm);
  left: var(--space-sm);
  background-color: rgba(255, 255, 255, 0.94);
  color: var(--text-primary);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-subtle);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  transform: translateY(4px);
  transition: all var(--transition-fast);
}

.stall-card:hover .stall-click-cue {
  opacity: 1;
  transform: translateY(0);
}

/* Angles Thumbnails Mini Strip (Showing 3 extra views directly on the card) */
.stall-thumbs-mini-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  background-color: var(--border-hairline);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.stall-mini-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  opacity: 0.88;
  background-color: #0B0C0E;
  transition: opacity var(--transition-fast), filter var(--transition-fast);
  cursor: pointer;
  filter: saturate(0.85) contrast(0.96) brightness(0.98);
}

.stall-mini-thumb:hover {
  opacity: 1;
}

/* Content Area */
.stall-card-content {
  padding: clamp(1.25rem, 2vw, 1.75rem);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.stall-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
}

.stall-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-beige);
  letter-spacing: 0.1em;
}

.stall-category {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.stall-card-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 1.8vw, 1.75rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.01em;
}

.stall-card-desc {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.stall-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-sm);
  border-top: 1px dashed var(--border-hairline);
}

.stall-view-all-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.stall-view-all-link .arrow {
  transition: transform var(--transition-fast);
}

.stall-card:hover .stall-view-all-link {
  color: var(--accent-beige);
}

.stall-card:hover .stall-view-all-link .arrow {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   04. FULL-FEATURED 3D MULTI-ANGLE LIGHTBOX MODAL
   -------------------------------------------------------------------------- */
.stall-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background-color: rgba(17, 18, 20, 0.92);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 3vw, 2.5rem);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.stall-modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.stall-modal-container {
  background-color: #FFFFFF;
  border-radius: var(--radius-subtle);
  width: 100%;
  max-width: 1200px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  position: relative;
  transform: scale(0.96) translateY(12px);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.stall-modal-backdrop.is-open .stall-modal-container {
  transform: scale(1) translateY(0);
}

/* Modal Header Bar */
.stall-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-hairline);
}

.stall-modal-header-left {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}

.modal-stall-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-beige);
}

.modal-stall-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close-btn {
  background: none;
  border: 1px solid var(--border-light);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.1rem;
  line-height: 1;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--bg-dark);
  color: #FFFFFF;
  border-color: var(--bg-dark);
  transform: rotate(90deg);
}

/* Modal Main Stage (Large Image + Nav Arrows) */
.stall-modal-stage {
  position: relative;
  width: 100%;
  background-color: #0E0F12;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  max-height: 72vh;
  overflow: hidden;
}

.modal-main-image {
  max-width: 100%;
  max-height: 70vh;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  filter: saturate(0.85) contrast(0.96) brightness(0.98);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Modal Prev / Next Navigation Arrows */
.modal-nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  transition: all var(--transition-fast);
  z-index: 10;
}

.modal-nav-arrow:hover {
  background-color: #FFFFFF;
  transform: translateY(-50%) scale(1.08);
}

.modal-nav-prev {
  left: var(--space-md);
}

.modal-nav-next {
  right: var(--space-md);
}

.modal-angle-counter-badge {
  position: absolute;
  bottom: var(--space-sm);
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(17, 18, 20, 0.85);
  color: #FFFFFF;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}

/* Modal Thumbnails Strip (Hidden for single photo display) */
.stall-modal-thumbs-bar {
  display: none !important;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.85rem 1.5rem;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
  overflow-x: auto;
}

.modal-thumb-btn {
  background: none;
  border: 2px solid transparent;
  padding: 2px;
  border-radius: var(--radius-subtle);
  cursor: pointer;
  width: 80px;
  height: 52px;
  overflow: hidden;
  transition: all var(--transition-fast);
  opacity: 0.65;
  flex-shrink: 0;
}

.modal-thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.modal-thumb-btn:hover {
  opacity: 0.9;
  border-color: var(--border-dark);
}

.modal-thumb-btn.active {
  opacity: 1;
  border-color: var(--accent-beige);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

/* Modal Details & Action Footer */
.stall-modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding: 1rem 1.5rem;
  background-color: #FFFFFF;
}

.modal-specs-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.modal-specs-desc {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.modal-inquire-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-dark);
  color: #FFFFFF;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-subtle);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.modal-inquire-btn:hover {
  background-color: #26282E;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

/* --------------------------------------------------------------------------
   05. RESPONSIVE MEDIA QUERIES
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .stalls-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .stall-modal-container {
    max-height: 96vh;
  }

  .stall-modal-stage {
    min-height: 260px;
  }

  .modal-thumb-btn {
    width: 64px;
    height: 42px;
  }

  .stall-modal-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .modal-inquire-btn {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .stalls-hero {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .stalls-hero-title {
    font-size: 2.25rem;
  }

  .modal-stall-title {
    font-size: 1.1rem;
  }

  .modal-nav-arrow {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
}