/* ==========================================================================
   Shop Page
   Standalone — same pattern as exhibitions.css
   Organic, painterly feel with warm tones
   ========================================================================== */

/* Variables — same as art page */
.art-page {
  --bg-primary: #faf9f7;
  --bg-surface: #ffffff;
  --text-primary: #000000;
  --text-secondary: #333333;
  --text-muted: #666666;
  --accent: #000000;
  --border: #e0e0e0;
}

.art-page {
  min-height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Navigation — same as art page */
.art-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(250, 249, 247, 0.95);
  backdrop-filter: blur(10px);
}

.art-nav .logo {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.02em;
}

/* Home / Gallery left group */
.nav-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-sep {
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.5;
  user-select: none;
}

.art-nav-links a.active {
  color: var(--text-primary);
}

.art-nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.art-nav-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.art-nav-links a:hover {
  color: var(--text-primary);
}

/* Mobile menu toggle */
.art-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  width: 28px;
  height: 20px;
  position: relative;
}

.art-nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
}

.art-nav-toggle span:nth-child(1) { top: 0; }
.art-nav-toggle span:nth-child(2) { top: 9px; }
.art-nav-toggle span:nth-child(3) { top: 18px; }

.art-nav-toggle.open span:nth-child(1) {
  top: 9px;
  transform: rotate(45deg);
}

.art-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.art-nav-toggle.open span:nth-child(3) {
  top: 9px;
  transform: rotate(-45deg);
}

/* Footer — same as art page */
.art-footer {
  padding: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.art-footer-nav {
  display: flex;
  gap: 2rem;
}

.art-footer-nav a {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.art-footer-nav a:hover {
  color: var(--text-primary);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.shop-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.shop-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.shop-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.shop-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
}

.shop-hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: 0.3em;
  color: #fff;
  text-transform: lowercase;
  opacity: 0;
  transform: translateY(20px);
  animation: shopHeroIn 1.2s ease forwards 0.3s;
}

.shop-hero-subtitle {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 1rem;
  letter-spacing: 0.05em;
  opacity: 0;
  animation: shopHeroIn 1.2s ease forwards 0.6s;
}

@keyframes shopHeroIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Texture Divider
   ========================================================================== */

.texture-divider {
  width: 100%;
  height: 4px;
  background-image: url('../assets/images/art/chaos.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.3;
}

/* ==========================================================================
   Sections — shared
   ========================================================================== */

.shop-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.shop-section h2 {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: lowercase;
  margin-bottom: 0.75rem;
}

.shop-section-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 550px;
  margin-bottom: 2.5rem;
}

/* ==========================================================================
   Originals Grid
   ========================================================================== */

.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  padding: 0.5rem 0 1rem;
}

.shop-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}

.shop-item:hover {
  border-color: var(--text-muted);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.shop-item-img {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: #f5f5f5;
}

.shop-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.shop-item:hover .shop-item-img img {
  transform: scale(1.03);
}

.shop-item-info {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.shop-item-title {
  font-size: 0.9rem;
  font-weight: 400;
}

.shop-item-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.shop-item-btn {
  display: inline-block;
  margin-top: auto;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-primary);
  border: 1px solid var(--border);
  transition: all 0.2s;
  text-align: center;
}

.shop-item-btn:hover {
  background: var(--text-primary);
  color: #fff;
  border-color: var(--text-primary);
}

/* ==========================================================================
   Prints & Merch
   ========================================================================== */

.shop-prints {
  background: var(--bg-surface);
}

/* Merch preview gallery */
.merch-gallery {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding: 1.5rem 0 1rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  margin-bottom: 1.5rem;
}

.merch-gallery::-webkit-scrollbar {
  height: 3px;
}

.merch-gallery::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.merch-item {
  flex-shrink: 0;
  width: 210px;
  height: 270px;
  overflow: hidden;
  border-radius: 3px;
  scroll-snap-align: start;
  background: #f0eeeb;
}

.merch-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
  display: block;
}

.merch-item:hover img {
  transform: scale(1.04);
}

/* Biodegradable note */
.merch-bio-note {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 2rem;
  padding: 0.75rem 1rem;
  background: #f5f3ef;
  border-radius: 3px;
  max-width: 480px;
}

.merch-bio-note img {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
  flex-shrink: 0;
}

.merch-bio-note span {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.shop-cta {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: #fff;
  background: var(--text-primary);
  border: 1px solid var(--text-primary);
  transition: all 0.2s;
}

.shop-cta:hover {
  background: transparent;
  color: var(--text-primary);
}

/* ==========================================================================
   Inquiry Form
   ========================================================================== */

.shop-inquiry {
  position: relative;
}

.shop-inquiry::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/art/biological_mark_making.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.04;
  pointer-events: none;
}

.shop-form {
  max-width: 500px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
}

.shop-form label {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.shop-form input,
.shop-form textarea {
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--bg-surface);
  color: var(--text-primary);
  transition: border-color 0.2s;
}

.shop-form input:focus,
.shop-form textarea:focus {
  outline: none;
  border-color: var(--text-primary);
}

.shop-form textarea {
  resize: vertical;
  min-height: 120px;
}

.shop-form button {
  align-self: flex-start;
  padding: 0.7rem 2rem;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  background: var(--text-primary);
  border: 1px solid var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
}

.shop-form button:hover {
  background: transparent;
  color: var(--text-primary);
}

/* Hidden fields for formsubmit */
.shop-form input[type="hidden"] {
  display: none;
}

/* Form sent confirmation */
.shop-form-success {
  display: none;
  max-width: 500px;
  padding: 2rem 0;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
  .art-nav {
    padding: 1rem;
  }

  .art-nav-toggle {
    display: block;
  }

  .art-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(250, 249, 247, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 1rem 1.5rem 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .art-nav-links.open {
    display: flex;
  }

  .art-nav-links a {
    font-size: 1rem;
    padding: 0.25rem 0;
  }

  .shop-hero {
    min-height: 45vh;
  }

  .shop-section {
    padding: 3rem 1.5rem;
  }

  .art-footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* ==========================================================================
   Merch Lightbox
   ========================================================================== */

.shop-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.93);
  justify-content: center;
  align-items: center;
}

.shop-lightbox.active {
  display: flex;
}

.shop-lightbox-img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 2px;
  display: block;
}

.shop-lightbox-close {
  position: fixed;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.2rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
  line-height: 1;
}

.shop-lightbox-close:hover { opacity: 1; }

.shop-lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #fff;
  font-size: 3rem;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s;
  padding: 1rem;
}

.shop-lightbox-nav:hover { opacity: 1; }

.shop-lightbox-prev { left: 1rem; }
.shop-lightbox-next { right: 1rem; }