/* ============================================
   JZ Artist Portfolio - Optimized Styles
   ============================================ */

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

:root {
  --color-bg: #0a0a0a;
  --color-surface: #111111;
  --color-text: #f0f0f0;
  --color-text-secondary: #888888;
  --color-accent: #c9a87c;
  --color-accent-light: #e8d5b7;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Playfair Display', 'Georgia', serif;
  --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: cubic-bezier(0.33, 1, 0.68, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

/* --- WebGL Canvas Background --- */
#fluid-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: auto;
}

/* --- Site Wrapper --- */
.site-wrapper {
  position: relative;
  z-index: 1;
  pointer-events: none;
}

.site-wrapper a,
.site-wrapper button,
.site-wrapper .gallery-image-wrap,
.site-wrapper input,
.site-wrapper textarea {
  pointer-events: auto;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.25rem 0;
  transition: all 0.4s var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.75rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  pointer-events: auto;
}

.logo-img {
  width: 41px;
  height: 41px;
  transition: filter 0.3s ease, transform 0.3s ease;
}

.logo-img:hover {
  transform: scale(1.05);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  pointer-events: auto;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all 0.3s var(--transition-smooth);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: color 0.3s var(--transition-fast);
  position: relative;
  pointer-events: auto;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Language switch button - absolute positioned at navbar right edge */
.nav-lang-btn {
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid rgba(201, 168, 124, 0.4);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.3s var(--transition-fast);
  pointer-events: auto;
  white-space: nowrap;
  z-index: 10;
}

.nav-lang-btn:hover {
  color: var(--color-bg);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* --- Hero Section --- */
.hero-section {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* --- Hero Background Video --- */
.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: 0;
  opacity: 0.35;
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  pointer-events: auto;
  transition: opacity 0.3s ease;
  position: relative;
  z-index: 2;
}

.hero-content:hover {
  opacity: 0.85;
}

.hero-content:hover .hero-name {
  color: var(--color-accent);
  transition: color 0.3s ease;
}

.hero-content:hover .explore-label {
  color: var(--color-accent);
  letter-spacing: 0.5em;
}

.hero-content h1,
.hero-content p,
.hero-content .explore-label {
  pointer-events: none;
}

/* --- Hero Bottom Fade (hints there's more content below) --- */
.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 180px;
  background: linear-gradient(to bottom, transparent, rgba(10, 10, 10, 0.6));
  pointer-events: none;
  z-index: 1;
}

/* --- Scroll Indicator --- */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  z-index: 2;
  pointer-events: none;
  animation: scrollFadeInOut 2.5s ease-in-out infinite;
}

.scroll-indicator-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, #f0f0f0, transparent);
  opacity: 0.8;
  animation: scrollLineMove 2.5s ease-in-out infinite;
}

.scroll-indicator-text {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #e0e0e0;
  opacity: 0.9;
  text-shadow: 0 0 10px rgba(0,0,0,0.9), 0 0 20px rgba(0,0,0,0.6);
}

@keyframes scrollFadeInOut {
  0%, 100% { opacity: 0.3; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(4px); }
}

@keyframes scrollLineMove {
  0% { opacity: 0; height: 0; }
  30% { opacity: 0.6; height: 40px; }
  70% { opacity: 0.6; height: 40px; }
  100% { opacity: 0; height: 0; }
}

.hero-greeting {
  display: block;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  text-shadow: 0 0 20px rgba(0,0,0,0.8), 0 0 40px rgba(0,0,0,0.5);
}

.hero-name {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #f0f0f0;
  text-shadow: 0 2px 30px rgba(0,0,0,0.9), 0 0 60px rgba(0,0,0,0.6);
}

.hero-subtitle {
  font-size: clamp(0.875rem, 1.5vw, 1.1rem);
  font-weight: 300;
  color: #d0d0d0;
  margin-top: 1.5rem;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 15px rgba(0,0,0,0.8), 0 0 30px rgba(0,0,0,0.5);
}

/* --- Explore Label --- */
.explore-label {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: #f0f0f0;
  margin-top: 3rem;
  transition: color 0.3s ease, letter-spacing 0.3s ease;
  text-shadow: 0 0 15px rgba(0,0,0,0.9), 0 0 30px rgba(0,0,0,0.6);
}

/* --- Section Base --- */
.section {
  padding: 8rem 0;
  position: relative;
  scroll-margin-top: 80px;
}

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

.section-header {
  margin-bottom: 4rem;
}

.section-number {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1.2;
  margin-top: 0.5rem;
}

/* --- About Section --- */
.about-section {
  background: transparent;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-lead {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.6;
  color: var(--color-accent-light);
  margin-bottom: 1.5rem;
}

.about-text p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.tag {
  padding: 0.4rem 1rem;
  border: 1px solid rgba(201, 168, 124, 0.3);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  transition: all 0.3s ease;
}

.tag:hover {
  background: rgba(201, 168, 124, 0.1);
  border-color: var(--color-accent);
}

.image-frame {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
}

.image-frame::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border: 1px solid rgba(201, 168, 124, 0.2);
  border-radius: 4px;
  z-index: 1;
  pointer-events: none;
}

.image-frame img {
  width: 100%;
  transition: transform 0.6s var(--transition-smooth);
}

.image-frame:hover img {
  transform: scale(1.03);
}

/* --- Category Card Sections (02, 03, 04) --- */
.category-section {
  padding: 2rem 0;
}

.category-card {
  display: block;
  position: relative;
  width: 100%;
  height: 340px;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  pointer-events: auto;
  transition: transform 0.5s var(--transition-smooth), box-shadow 0.5s var(--transition-smooth);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Per-card background images - Netlify compatible */
.card-fineart {
  background-image: url('./images/DSC5800_fineart.jpg');
}
.card-3dart {
  background-image: url('./images/3dart_bg.jpg');
}
.card-industrial {
  background-image: url('./images/industrial_bg.jpg');
}
.card-papers {
  background-image: url('./images/papers_bg.jpg');
  background-size: cover;
  background-position: center;
}

/* WordPress version (if needed) */
.wordpress .card-fineart {
  background-image: url('./images/DSC5800_fineart.jpg');
}
.wordpress .card-3dart {
  background-image: url('./images/3dart_bg.jpg');
}
.wordpress .card-industrial {
  background-image: url('./images/industrial_bg.jpg');
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* Dark overlay for readability */
.category-card::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.2) 0%,
    rgba(10, 10, 10, 0.1) 40%,
    rgba(10, 10, 10, 0.6) 100%
  );
  pointer-events: none;
}

/* Border frame */
.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  border: 1px solid rgba(201, 168, 124, 0.15);
  border-radius: 8px;
  transition: border-color 0.4s ease;
  pointer-events: none;
}

.category-card:hover::before {
  border-color: rgba(201, 168, 124, 0.4);
}

/* Content */
.category-card-content {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 2rem 3rem;
  height: 100%;
}

.category-card-content .section-number {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  opacity: 0.7;
}

.category-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  transition: transform 0.5s var(--transition-smooth);
}

.category-card:hover .category-title {
  transform: translateX(8px);
}

.category-subtitle {
  font-family: var(--font-primary);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  opacity: 0.7;
  margin-bottom: 2rem;
}

/* CTA arrow */
.category-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.5rem;
  border: 1px solid rgba(201, 168, 124, 0.3);
  border-radius: 100px;
  transition: all 0.4s var(--transition-smooth);
  background: rgba(201, 168, 124, 0.05);
}

.category-card:hover .category-cta {
  border-color: var(--color-accent);
  background: rgba(201, 168, 124, 0.12);
  transform: translateX(6px);
}

.cta-text {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-light);
}

.cta-arrow {
  font-size: 1.1rem;
  color: var(--color-accent);
  transition: transform 0.4s var(--transition-smooth);
}

.category-card:hover .cta-arrow {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .category-section {
    padding: 1rem 0;
  }

  .category-card {
    height: 260px;
  }

  .category-card-content {
    padding: 1.5rem;
  }

  .category-title {
    font-size: 2rem;
  }
}

/* --- Contact Section --- */
.contact-section {
  text-align: center;
  padding: 10rem 0;
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.contact-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.contact-btn {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  border: 1px solid var(--color-accent);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  transition: all 0.4s var(--transition-smooth);
  cursor: pointer;
  background: transparent;
}

.contact-btn:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(201, 168, 124, 0.2);
}

/* --- Footer --- */
.footer {
  padding: 3rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-container {
  width: 100%;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  transition: color 0.3s ease;
}

.footer-logo:hover {
  color: var(--color-accent);
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.footer-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.footer-center .footer-logo {
  display: block;
}

.beian-sep {
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.15);
}

.footer-link {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: var(--color-accent);
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* --- Scroll Reveal Animations --- */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

.reveal-up {
  transform: translateY(40px);
}

.reveal-left {
  transform: translateX(-40px);
}

.reveal-right {
  transform: translateX(40px);
}

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* --- Responsive Design --- */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-lang-btn {
    right: 5rem;
    left: auto;
    font-size: 0.7rem;
    padding: 0.25rem 0.6rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    gap: 2rem;
    transition: right 0.4s var(--transition-smooth);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-link {
    font-size: 1rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-image {
    order: -1;
  }

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

  .footer-center {
    position: static;
    transform: none;
    order: -1;
  }

  .footer-left,
  .footer-right {
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
  }

  .footer-left .beian-sep,
  .footer-right .beian-sep {
    display: none;
  }

  .section {
    padding: 5rem 0;
  }

  .hero-section {
    min-height: 90vh;
  }

  .scroll-indicator {
    bottom: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-greeting {
    font-size: 0.75rem;
  }

  .hero-subtitle {
    font-size: 0.8rem;
  }

  .about-tags {
    gap: 0.5rem;
  }

  .tag {
    font-size: 0.7rem;
    padding: 0.3rem 0.75rem;
  }
}

/* --- Explore More (Horizontal Scroll) --- */
.work-explore-section {
  padding: 60px 0 40px;
}

.explore-scroll-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}

.explore-scroll-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(201, 168, 124, 0.3);
  border-radius: 50%;
  background: rgba(10, 10, 10, 0.6);
  color: var(--accent, #c9a87c);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
  z-index: 2;
}
.explore-scroll-btn:hover {
  background: rgba(201, 168, 124, 0.15);
  border-color: var(--accent, #c9a87c);
}
.explore-scroll-left { order: -1; }
.explore-scroll-right { order: 1; }

.explore-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 10px 4px;
}
.explore-track::-webkit-scrollbar { display: none; }

.explore-card {
  flex: 0 0 240px;
  scroll-snap-align: start;
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(201, 168, 124, 0.08);
  transition: all 0.4s ease;
}
.explore-card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 168, 124, 0.25);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.explore-card-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.explore-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.explore-card:hover .explore-card-image img {
  transform: scale(1.05);
}

.explore-card .work-card-info {
  padding: 12px 14px 14px;
}

.explore-card .work-card-title {
  font-family: 'Playfair Display', serif;
  font-size: 0.95rem;
  margin: 0 0 4px;
}

.explore-card .work-card-meta {
  font-size: 0.7rem;
  opacity: 0.6;
}

/* Touch hint for mobile */
@media (max-width: 768px) {
  .explore-scroll-btn { display: none; }
  .explore-card { flex: 0 0 200px; }
}

/* --- Smooth Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(201, 168, 124, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(201, 168, 124, 0.5);
}

/* --- Loading Screen --- */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--transition-smooth), visibility 0.6s;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-accent);
  animation: loaderPulse 1.5s ease-in-out infinite;
}

@keyframes loaderPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ============================================
   Gallery Detail Pages
   ============================================ */

.gallery-header {
  padding: 10rem 0 4rem;
}

.back-link {
  display: inline-block;
  color: var(--color-accent);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
  transition: opacity 0.3s ease;
}

.back-link:hover {
  opacity: 0.7;
}

.gallery-header-content {
  max-width: 600px;
}

.gallery-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: 0.25rem;
  letter-spacing: 0.02em;
}

.gallery-subtitle {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.gallery-desc {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* Gallery Grid */
.gallery-section {
  padding: 3rem 0 6rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.5s var(--transition-smooth);
}

.gallery-item:hover {
  transform: translateY(-4px);
}

.gallery-thumb {
  position: relative;
  width: 100%;
  padding-bottom: 120%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 8px;
  border: 1px solid rgba(201, 168, 124, 0.15);
  transition: border-color 0.4s ease;
}

.gallery-item:hover .gallery-thumb {
  border-color: rgba(201, 168, 124, 0.4);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-item-title {
  font-family: var(--font-display);
  font-size: 1rem;
  color: #fff;
  font-weight: 300;
  letter-spacing: 0.05em;
}

/* Placeholder thumbnails */
.placeholder-thumb {
  background-color: rgba(201, 168, 124, 0.06);
  background-image: none !important;
}

.placeholder-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: rgba(201, 168, 124, 0.25);
  font-weight: 300;
  pointer-events: none;
}

/* Gallery responsive */
@media (max-width: 900px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-title {
    font-size: 2.2rem;
  }
}

@media (max-width: 600px) {
  .gallery-header {
    padding: 8rem 0 3rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .gallery-title {
    font-size: 1.8rem;
  }

  .gallery-desc {
    font-size: 0.85rem;
  }
}

/* ============================================
   Portfolio Category Dividers
   ============================================ */

.portfolio-category {
  scroll-margin-top: 5rem;
}

/* First category gets less top padding since no gallery header above */
.category-divider-first {
  padding-top: 8rem;
}

/* Category dividers for subsequent sections */
.category-divider {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 5rem 0 1.5rem;
}

.category-divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(201, 168, 124, 0.3) 50%,
    transparent 100%
  );
}

.category-divider-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 2rem;
  text-align: center;
  flex-shrink: 0;
}

.category-divider-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--color-text);
  margin: 0;
  white-space: nowrap;
  letter-spacing: 0.05em;
}

.category-divider-sub {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-accent);
  white-space: nowrap;
  opacity: 0.8;
  display: block;
  margin-top: 0.25rem;
}

.category-divider-desc {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 500px;
  margin-top: 0.8rem;
}

@media (max-width: 600px) {
  .category-divider {
    flex-direction: column;
    gap: 0.5rem;
  }

  .category-divider-line:first-child,
  .category-divider-line:last-child {
    flex: 0 0 auto;
    width: 60%;
  }

  .category-divider-title {
    font-size: 1.4rem;
  }

  .category-divider-center {
    padding: 0 1.5rem;
    text-align: center;
  }

  .category-divider-desc {
    max-width: 100%;
  }
}

/* ============================================
   Works Grid — Fine Art Overview Cards
   ============================================ */

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 1rem;
}

.work-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  border-radius: 6px;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid rgba(201, 168, 124, 0.1);
  transition: transform 0.5s var(--transition-smooth),
              border-color 0.4s ease,
              box-shadow 0.5s var(--transition-smooth);
  pointer-events: auto;
}

.work-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 168, 124, 0.3);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35),
              0 0 0 1px rgba(201, 168, 124, 0.1);
}

.work-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #0d0d0d;
}

.work-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--transition-smooth),
              opacity 0.4s ease;
  opacity: 0.92;
}

.work-card:hover .work-card-image img {
  transform: scale(1.06);
  opacity: 1;
}

.work-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.work-card:hover .work-card-overlay {
  opacity: 1;
}

.work-card-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #fff;
  font-size: 1.1rem;
  transform: translate(-4px, 4px);
  transition: all 0.4s var(--transition-smooth);
}

.work-card:hover .work-card-arrow {
  transform: translate(0, 0);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.work-card-info {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.work-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.03em;
  line-height: 1.3;
  transition: color 0.3s ease;
}

.work-card:hover .work-card-title {
  color: var(--color-accent);
}

.work-card-meta {
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  letter-spacing: 0.03em;
  line-height: 1.4;
}

/* Works Grid responsive */
@media (max-width: 900px) {
  .works-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 600px) {
  .works-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .work-card-info {
    padding: 1rem 1.15rem 1.25rem;
  }

  .work-card-title {
    font-size: 1rem;
  }

  .work-card-meta {
    font-size: 0.72rem;
  }

  .work-card-arrow {
    width: 36px;
    height: 36px;
    font-size: 0.95rem;
  }
}

@media (max-width: 420px) {
  .works-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .work-card-image {
    aspect-ratio: 3 / 2;
  }
}

/* ============================================
   Contact Page
   ============================================ */

.contact-info-section {
  padding: 3rem 0 6rem;
}

.contact-cards {
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem 2rem;
  background: rgba(201, 168, 124, 0.04);
  border: 1px solid rgba(201, 168, 124, 0.12);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: all 0.4s var(--transition-smooth);
}

.contact-info-card:hover {
  background: rgba(201, 168, 124, 0.08);
  border-color: rgba(201, 168, 124, 0.3);
  transform: translateX(4px);
}

.contact-card-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  border: 1px solid rgba(201, 168, 124, 0.2);
  border-radius: 50%;
}

.contact-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-card-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contact-card-value {
  font-family: var(--font-primary);
  font-size: 1.05rem;
  color: var(--color-text);
  font-weight: 400;
  letter-spacing: 0.02em;
}

@media (max-width: 600px) {
  .contact-info-card {
    padding: 1.25rem 1.5rem;
    gap: 1rem;
  }

  .contact-card-icon {
    width: 40px;
    height: 40px;
  }

  .contact-card-value {
    font-size: 0.95rem;
  }
}

/* --- WeChat QR Code Popup --- */
.wechat-card {
  position: relative;
}

.wechat-qrcode-popup {
  position: absolute;
  right: -340px;
  /* bottom: 0 = popup bottom aligns with wechat card bottom */
  bottom: 0;
  /* height = 2 cards + 1 gap: each card = 1.75rem*2 padding + 48px icon + ~2.35rem content ≈ 7rem+96px */
  /* 2 cards + 1.25rem gap ≈ calc(2 * (3.5rem + 96px + 2.35rem) + 1.25rem) */
  height: calc((2 * (3.5rem + 48px + 2.35rem) + 1.25rem) * 1.1875);
  transform: scale(0.9);
  transform-origin: right bottom;
  width: 300px;
  padding: 1.5rem;
  background: rgba(20, 20, 22, 0.95);
  border: 1px solid rgba(201, 168, 124, 0.2);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
  z-index: 9998;
  overflow: hidden;
}

.wechat-qrcode-popup img {
  width: 100%;
  height: auto;
  max-height: calc(100% - 2rem);
  object-fit: contain;
  border-radius: 4px;
}

.wechat-qrcode-popup span {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}

.wechat-card:hover .wechat-qrcode-popup {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  pointer-events: auto;
}

@media (max-width: 768px) {
  .wechat-qrcode-popup {
    position: fixed;
    left: 50%;
    top: 50%;
    right: auto;
    bottom: auto;
    height: auto;
    width: 75vw;
    max-width: 280px;
    transform: translate(-50%, -50%) scale(0.9);
    transform-origin: center center;
    z-index: 10001;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
  }

  .wechat-card:hover .wechat-qrcode-popup,
  .wechat-card.active .wechat-qrcode-popup {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
    pointer-events: auto;
  }
}

/* WeChat popup overlay (mobile) */
.wechat-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
}

.wechat-popup-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ============================================
   Work Detail Page
   ============================================ */

.work-detail {
  position: relative;
  z-index: 1;
}

.work-detail a,
.work-detail button {
  pointer-events: auto;
}

/* Topbar */
.work-topbar {
  padding: 7rem 0 1.5rem;
}

/* Hero Image */
.work-hero {
  padding: 0 0 1rem;
}

.work-hero-image {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid rgba(201, 168, 124, 0.12);
  transition: border-color 0.4s ease;
}

.work-hero-image:hover {
  border-color: rgba(201, 168, 124, 0.35);
}

.work-hero-image img {
  width: 100%;
  display: block;
  transition: transform 0.6s var(--transition-smooth);
}

.work-hero-image:hover img {
  transform: scale(1.02);
}

.work-hero-hint {
  position: absolute;
  bottom: 1.25rem;
  right: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.work-hero-image:hover .work-hero-hint {
  opacity: 1;
}

.hero-hint-icon {
  font-size: 1rem;
  color: var(--color-accent);
  line-height: 1;
}

.hero-hint-text {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.05em;
}

/* Work Info */
.work-info {
  padding: 3rem 0 4rem;
}

.work-info-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.work-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}

.work-title-en {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-accent);
  opacity: 0.7;
  letter-spacing: 0.05em;
}

.work-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
}

.work-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.meta-label {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  opacity: 0.6;
}

.meta-value {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.meta-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 400;
  transition: opacity 0.3s ease;
}

.meta-link:hover {
  opacity: 0.7;
}

.work-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.work-link-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.work-link-label {
  color: var(--color-text-tertiary);
  font-weight: 300;
}

.work-link-value {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 400;
  border-bottom: 1px solid rgba(201, 168, 124, 0.3);
  transition: opacity 0.3s ease;
}

.work-link-value:hover {
  opacity: 0.7;
}

.work-desc {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-text-secondary);
  max-width: 540px;
}

/* Detail Gallery */
.work-gallery {
  padding: 2rem 0 5rem;
}

.work-gallery-heading {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}

/* --- Carousel --- */
.carousel {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 50px;
}

.carousel-viewport {
  overflow: hidden;
  border-radius: 6px;
  border: 1px solid rgba(201, 168, 124, 0.12);
  background: #0d0d0d;
  text-align: center;
  cursor: pointer;
  position: relative;
}

.carousel-active-img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  display: inline-block;
  transition: opacity 0.25s ease, transform 0.4s ease;
}

.carousel-viewport:hover .carousel-active-img {
  transform: scale(1.02);
}

.carousel-hover-hint {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.carousel-viewport:hover .carousel-hover-hint,
.work-hero-image:hover .carousel-hover-hint {
  opacity: 1;
}

.carousel-hover-icon {
  font-size: 0.85rem;
  color: var(--color-accent);
}

.carousel-hover-text {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.05em;
}

/* Carousel Arrows */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-btn:hover {
  background: rgba(0, 0, 0, 0.6);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.carousel-btn-prev {
  left: 0;
}

.carousel-btn-next {
  right: 0;
}

/* Carousel Dots */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid rgba(201, 168, 124, 0.3);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s ease;
}

.carousel-dot.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: scale(1.2);
}

.carousel-dot:hover {
  border-color: var(--color-accent);
}

/* Carousel Counter */
.carousel-counter {
  position: absolute;
  bottom: -2.5rem;
  right: 0;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.1em;
  opacity: 0.5;
}

/* Video Section */
.work-video-section {
  padding: 2rem 0 5rem;
}

.work-video-wrap {
  max-width: 500px;
  margin: 0 auto;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(201, 168, 124, 0.12);
  background: #000;
}

.work-video {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* Work Navigation */
.work-nav {
  padding: 3rem 0 5rem;
}

.work-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
  pointer-events: auto;
}

.work-nav-link:hover {
  color: var(--color-accent);
}

.work-nav-arrow {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.work-nav-link:hover .work-nav-arrow {
  transform: translateX(-4px);
}

.work-nav-text {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  cursor: pointer;
}

.lightbox-content {
  position: relative;
  z-index: 1;
  max-width: 92vw;
  max-height: 92vh;
  transform: scale(0.95);
  transition: transform 0.3s var(--transition-smooth);
}

.lightbox.active .lightbox-content {
  transform: scale(1);
}

.lightbox-img {
  max-width: 100%;
  max-height: 90vh;
  display: block;
  border-radius: 4px;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.8rem;
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
  transition: color 0.3s ease;
  pointer-events: auto;
}

.lightbox-close:hover {
  color: #fff;
}

/* Responsive */
@media (max-width: 900px) {
  .work-info-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .work-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 600px) {
  .work-topbar {
    padding: 6rem 0 1rem;
  }

  .work-hero-image {
    border-radius: 4px;
  }

  .work-gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .work-meta {
    gap: 1.25rem;
  }

  .work-info {
    padding: 2rem 0 3rem;
  }
}