/* ============================================================
   prokofiev.gallery — Dark minimalist theme
   Windows Mobile aesthetic + glassmorphism + 3D transitions
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0a;
  --bg-card: #131313;
  --bg-elevated: #1a1a1a;
  --bg-overlay: rgba(10,10,10,0.88);
  --glass: rgba(20,20,20,0.75);
  --glass-border: rgba(255,255,255,0.08);
  --text: #d8d8d8;
  --text-bright: #f0f0f0;
  --text-muted: #777;
  --accent: #c9a96e;
  --accent-hover: #dfc08a;
  --accent-dim: rgba(201,169,110,0.15);
  --border: #222;
  --border-light: #333;
  --sold: #444;
  --unavailable: #555;
  --success: #5a9e5f;
  --danger: #c0392b;
  --radius: 2px;
  --font: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --perspective: 1200px;
}

html { scroll-behavior: smooth; overflow-x: hidden; }
html.menu-open,
body.menu-open { overflow: hidden !important; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  max-width: 100vw;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; display: block; }

/* --- Header --- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2100;
  max-width: 100vw;
  overflow: hidden;
}

.header-left { display: flex; align-items: center; flex-shrink: 1; min-width: 0; }
.header-right { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }

.site-logo {
  display: flex;
  align-items: center;
  color: var(--accent);
  text-decoration: none;
}
.site-logo:hover { opacity: 0.85; }

.header-btn {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text);
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition);
  border-radius: var(--radius);
  text-transform: uppercase;
  font-family: var(--font);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.header-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.header-btn:focus {
  outline: none;
}

/* Language button */
.lang-btn {
  font-weight: 600;
  min-width: 36px;
  border: none;
}

/* Cart icon */
.cart-icon {
  position: relative;
  color: var(--text);
  text-decoration: none;
}
.cart-icon:hover { color: var(--accent); }
.cart-icon svg { display: block; }

.cart-badge {
  position: absolute;
  top: -6px;
  right: -10px;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 50%;
  min-width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  pointer-events: none;
}

/* Hamburger → X icon */
.menu-toggle-btn {
  width: 40px;
  height: 40px;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text);
  transition: color var(--transition);
  flex-shrink: 0;
  position: relative;
}
.menu-toggle-btn:hover { color: var(--accent); }
.menu-icon {
  width: 24px;
  height: 24px;
  overflow: visible;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.menu-icon-line {
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: butt;
  transform-origin: 14px 14px;
  transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.25s ease;
}
/* X state: lines rotate 45deg around center (14,14) */
.menu-toggle-btn.open .menu-icon-line.top {
  transform: rotate(45deg);
}
.menu-toggle-btn.open .menu-icon-line.mid {
  opacity: 0;
  transform: scaleX(0);
}
.menu-toggle-btn.open .menu-icon-line.bot {
  transform: rotate(-45deg);
}

/* --- Menu Panel (book-fold from right edge) --- */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0s 0.75s;
  perspective: 1200px;
  perspective-origin: 50% 50vh;
}
body.menu-open .menu-overlay {
  visibility: visible;
  transition: visibility 0s 0s;
  pointer-events: auto;
}
.menu-overlay-bg {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  opacity: 0;
  transition: opacity 0.75s cubic-bezier(0.23, 1, 0.32, 1);
  pointer-events: none;
}
body.menu-open .menu-overlay-bg {
  opacity: 1;
}
.menu-content {
  position: absolute;
  top: 0;
  right: 0;
  height: 100vh;
  width: 25vw;
  min-width: 320px;
  max-width: 85vw;
  background: #0a0a0a;
  border-left: 1px solid rgba(255,255,255,0.06);
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: left;
  transform-style: preserve-3d;
  transform: rotateY(-90deg);
  transform-origin: right center;
  transition: transform 0.75s cubic-bezier(0.23, 1, 0.32, 1),
              opacity 0.4s ease;
  opacity: 0;
  pointer-events: none;
  overflow-y: auto;
}
body.menu-open .menu-content {
  transform: rotateY(-15deg);
  opacity: 1;
  pointer-events: auto;
}

/* Section-inner rotates around its right edge when menu opens */
body.menu-open .section-inner,
body.menu-open .work-detail-layout,
body.menu-open .post-inner,
body.menu-open .cart-inner {
  /* transform set via JS with translateX alignment */
}
/* Full-width pages (home) use the page container */
body.menu-open .page-section[data-page="home"] {
  /* transform set via JS with translateX alignment */
}
.menu-nav {
  list-style: none;
  padding: 0;
}
.menu-nav li { margin: 1.5rem 0; transform-style: preserve-3d; }
.menu-nav a {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition), transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  display: inline-block;
}
.menu-nav a:hover {
  color: var(--accent);
  transform: translateZ(12px) scale(1.03);
}
.menu-nav a:active,
.menu-nav a.pressed {
  transform: translateZ(4px) scale(0.97);
  transition: color var(--transition), transform 0.1s ease;
}
.menu-nav a.active { color: var(--accent); }
.menu-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.menu-nav a:hover::after,
.menu-nav a.active::after { width: 100%; }

/* --- Page Sections & 3D Transitions --- */
.page-section {
  min-height: 100vh;
  padding-top: 60px;
  perspective: var(--perspective);
  perspective-origin: 50% 50vh;
  transform-style: preserve-3d;
  max-width: 100%;
  overflow-x: hidden;
  transition: transform 0.75s cubic-bezier(0.23, 1, 0.32, 1);
}
.page-section[data-page="home"] {
  overflow: hidden;
  position: relative;
  min-height: 100vh;
  padding-top: 0;
  transform-origin: right center;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 2rem;
  width: 100%;
  box-sizing: border-box;
  transform-origin: right center;
  transition: transform 0.75s cubic-bezier(0.23, 1, 0.32, 1);
}
.work-detail-layout,
.post-inner,
.cart-inner {
  transform-origin: right center;
  transition: transform 0.75s cubic-bezier(0.23, 1, 0.32, 1);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 2.5rem;
  position: relative;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

/* 3D page transition */
.page-section.page-enter {
  animation: pageEnter 0.55s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}
.page-section.page-exit {
  animation: pageExit 0.3s cubic-bezier(0.55, 0, 1, 0.45) forwards;
}

/* Disable entry animation when menu is open */
body.menu-open .page-section.page-enter {
  animation: none;
}
body.menu-open .work-detail-page,
body.menu-open .cart-page,
body.menu-open .post-page {
  animation: none;
}

@keyframes pageEnter {
  0% {
    opacity: 0;
    transform: perspective(1200px) rotateY(8deg) translateX(60px);
  }
  100% {
    opacity: 1;
    transform: perspective(1200px) rotateY(0deg) translateX(0);
  }
}

@keyframes pageExit {
  0% {
    opacity: 1;
    transform: perspective(1200px) rotateY(0deg) translateX(0);
  }
  100% {
    opacity: 0;
    transform: perspective(1200px) rotateY(-5deg) translateX(-40px);
  }
}

/* --- Home Page --- */
.home-slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: #0a0a0a;
}
.home-slideshow .slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  will-change: transform, opacity;
}
.home-slideshow .slide.active {
  opacity: 1;
}
.home-slideshow .slide-img {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 115%;
  min-height: 115%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  transform-origin: center center;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.home-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}
.home-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: 2rem;
}

#home {
  position: relative;
  overflow: hidden;
}

.home-name {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 200;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
  line-height: 1.1;
}
.home-subtitle {
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}

/* --- Bio Page --- */
.bio-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 768px) {
  .bio-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .bio-photo-wrap {
    text-align: center;
  }
  .bio-photo {
    max-width: 200px;
    margin: 0 auto;
  }
}
.bio-photo {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.bio-statement {
  font-size: 0.95rem;
  line-height: 1.8;
  white-space: pre-line;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.bio-details {
  margin-bottom: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.bio-details strong { color: var(--text); }
.bio-education {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}
.bio-education li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
}
.bio-education li strong { color: var(--text); }

.bio-exhibitions-wrap {
  width: 100%;
  margin: 0;
  padding: 0;
}

.bio-exhibitions {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.bio-exhibitions th {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 2px solid var(--border);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.bio-exhibitions td {
  padding: 0.5rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.bio-exhibitions td:first-child {
  color: var(--accent);
  font-weight: 500;
  white-space: nowrap;
  width: 50px;
}

/* --- Gallery Grid --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
@media (max-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

.gallery-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition);
  position: relative;
}
.gallery-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-light);
}

.gallery-card-img-wrap {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: #111;
}
.gallery-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1), filter 0.4s;
}
.gallery-card:hover .gallery-card-img-wrap img {
  transform: scale(1.06);
  filter: brightness(0.5);
}

.gallery-card-overlay {
  position: absolute;
  inset: 0;
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--transition);
  text-align: center;
}
.gallery-card:hover .gallery-card-overlay {
  opacity: 1;
}

.work-name {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-bright);
  margin-bottom: 0.3rem;
  letter-spacing: 0.03em;
}
.work-year, .work-size, .work-material {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.work-price {
  color: var(--accent);
  font-weight: 600;
  margin-top: 0.5rem;
  font-size: 1rem;
}

.work-status {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.5rem;
}
.status-available {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: background var(--transition);
}
.status-available:hover {
  background: var(--accent);
  color: var(--bg);
}
.status-sold {
  background: var(--sold);
  color: #aaa;
  border: 1px solid var(--sold);
}
.status-unavailable {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-light);
}

/* --- News Cards --- */
.news-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition);
}
.news-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-light);
}
.news-card-img-wrap {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #111;
}
.news-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .news-card-img-wrap img {
  transform: scale(1.04);
}
.news-card-body {
  padding: 1.25rem;
}
.news-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}
.news-title {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.news-summary {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.news-read-more {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition);
}
.news-card:hover .news-read-more { color: var(--accent-hover); }

/* --- Contacts Page --- */
.contacts-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}
.contacts-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.contact-item:hover {
  border-color: var(--border-light);
}
.contact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  min-width: 80px;
}
.contact-item a {
  color: var(--text);
  transition: color var(--transition);
}
.contact-item a:hover {
  color: var(--accent);
}

/* --- Work Detail Page --- */
.work-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
  padding: 2rem 0;
}

.work-detail-images { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.75rem; }
.work-detail-thumb { cursor: pointer; }
.work-detail-thumb img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 2px solid transparent;
  opacity: 0.5;
  transition: opacity var(--transition), border-color var(--transition);
}
.work-detail-thumb:hover img,
.work-detail-thumb.active img {
  opacity: 1;
  border-color: var(--accent);
}

.slider-main-image {
  width: 100%;
  background: #111;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border);
}
.slider-main-image img {
  width: 100%;
  cursor: zoom-in;
  transition: opacity 0.3s;
}

.slider-thumbnails {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.slider-thumbnails img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: var(--radius);
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.5;
  transition: opacity var(--transition), border-color var(--transition);
}
.slider-thumbnails img:hover,
.slider-thumbnails img.thumb-active {
  opacity: 1;
  border-color: var(--accent);
}

.work-detail-info {
  padding: 0;
}
.work-detail-info h1 {
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text-bright);
  margin-bottom: 1.25rem;
}

.work-attrs {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}
.work-attrs dt { color: var(--text-muted); font-weight: 400; }
.work-attrs dd { color: var(--text); }

.work-price {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
}

.work-status-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.work-description {
  margin-top: 1.5rem;
  line-height: 1.8;
  color: var(--text);
  white-space: pre-line;
  font-size: 0.92rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.back-link:hover { color: var(--accent); }

/* --- Subpage enter animation --- */
.work-detail-page,
.cart-page,
.post-page {
  animation: pageEnter 0.55s cubic-bezier(0.23, 1, 0.32, 1) forwards;
  perspective: 1200px;
  perspective-origin: 50% 50vh;
  transform-style: preserve-3d;
}

/* --- Work Detail Page --- */
.work-detail-page {
  padding: 80px 0 0;
}
.work-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem 2rem;
}
@media (max-width: 768px) {
  .work-detail-layout { grid-template-columns: 1fr; gap: 1.5rem; }
}
.work-detail-images-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.work-detail-main-img-wrap img {
  width: 100%;
  border-radius: var(--radius);
  cursor: zoom-in;
}

.work-description {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.btn-add-cart {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: background var(--transition);
  margin-top: 0.5rem;
  font-family: var(--font);
}
.btn-add-cart:hover { background: var(--accent-hover); }
.btn-add-cart:disabled,
.btn-add-cart.btn-added { opacity: 0.5; cursor: not-allowed; }

/* --- Cart Page --- */
.cart-page { padding: 80px 0 0; }
.cart-inner { max-width: 900px; margin: 0 auto; padding: 0 2rem 2rem; }
.cart-page h1 {
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  color: var(--text-bright);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}

.cart-empty {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
  font-size: 1rem;
}

.cart-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}
.cart-table th {
  text-align: left;
  padding: 0.75rem 0.5rem;
  border-bottom: 2px solid var(--border);
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.cart-table td {
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.cart-item-name { font-weight: 500; color: var(--text-bright); }
.cart-item-price { color: var(--accent); font-weight: 500; }

.btn-remove {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  padding: 0.3rem 0.65rem;
  cursor: pointer;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition);
  font-family: var(--font);
}
.btn-remove:hover { background: var(--danger); color: #fff; }

.cart-total {
  text-align: right;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 2rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

/* --- Order Form --- */
.order-form {
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.form-group label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.92rem;
  transition: border-color var(--transition);
  font-family: var(--font);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.btn-submit {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: background var(--transition);
  margin-top: 0.5rem;
  font-family: var(--font);
}
.btn-submit:hover { background: var(--accent-hover); }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; }

.order-success {
  background: rgba(90,158,95,0.1);
  border: 1px solid var(--success);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  color: var(--success);
  font-size: 1rem;
  margin-top: 1.5rem;
}

/* --- Zoom Overlay --- */
.zoom-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0,0,0,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.zoom-overlay-active { opacity: 1; }
.zoom-overlay-closing { opacity: 0; }

.zoom-container {
  cursor: grab;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.zoom-container:active { cursor: grabbing; }

.zoom-image {
  display: block;
  width: 100vw;
  height: 100vh;
  object-fit: contain;
  transition: transform 0.15s ease;
  transform-origin: center center;
}

.zoom-close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  z-index: 10001;
  line-height: 1;
  transition: color var(--transition);
  font-family: var(--font);
}
.zoom-close:hover { color: var(--accent); }

/* --- Post Detail Page --- */
.post-page {
  padding: 80px 0 0;
}
.post-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem 2rem;
}
.post-page h1 {
  font-size: 2rem;
  font-weight: 400;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}
.post-page .post-date {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}
.post-page .post-content img {
  border-radius: var(--radius);
  margin: 1.5rem 0;
  border: 1px solid var(--border);
}
.post-page .post-content h2 {
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-bright);
  margin: 1.5rem 0 0.5rem;
}
.post-page .post-content p {
  margin-bottom: 1rem;
  line-height: 1.75;
  color: var(--text);
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

/* --- Utility --- */
.hidden { display: none !important; }
.text-center { text-align: center; }

/* --- Responsive --- */
@media (max-width: 640px) {
  .site-header { padding: 0 1rem; }
  .section-inner { padding: 2rem 1rem; }
  .work-detail-page { padding: 70px 0 0; }
  .work-detail-layout { padding: 0 1rem 1rem; }
  .cart-page { padding: 70px 0 0; }
  .cart-inner { padding: 0 1rem 1rem; }
  .post-page { padding: 70px 0 0; }
  .post-inner { padding: 0 1rem 1rem; }
  .home-name { letter-spacing: 0.15em; }
  .bio-exhibitions td,
  .bio-exhibitions th {
    padding: 0.4rem 0.25rem;
    font-size: 0.75rem;
  }
  .bio-exhibitions td:nth-child(2),
  .bio-exhibitions th:nth-child(2) {
    white-space: normal;
    min-width: 0;
  }
  .bio-exhibitions td:last-child,
  .bio-exhibitions th:last-child {
    white-space: normal;
    min-width: 0;
    font-size: 0.7rem;
  }
  .menu-nav a { font-size: 1.5rem; }
  .menu-content { width: 75vw; min-width: 0; padding: 1.5rem; }
  body.menu-open .section-inner,
  body.menu-open .work-detail-layout,
  body.menu-open .post-inner,
  body.menu-open .cart-inner {
    /* transform set via JS */
  }
  body.menu-open .page-section[data-page="home"] {
    /* transform set via JS */
  }
  body.menu-open .menu-content {
    /* transform set via CSS — no translateX needed */
  }
  /* Prevent mobile viewport overflow from slideshow */
  .home-slideshow, .home-slideshow .slide, #home {
    max-width: 100%;
    overflow: hidden;
  }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* --- Selection --- */
::selection { background: var(--accent); color: var(--bg); }