/* ==========================================================================
   NEZLIN ART PORTFOLIO - LUXURY DESIGN SYSTEM
   ========================================================================== */

/* Google Fonts: Outfit (sans) & Cormorant Garamond (luxury serif) */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  /* Harmonious Color Palette */
  --bg-onyx: #070708;
  --bg-obsidian: #0e0e10;
  --color-accent-gold: #cda250;
  --color-accent-rose: #e5b3bc;
  --color-gold-glow: rgba(205, 162, 80, 0.35);
  --color-gold-dim: rgba(205, 162, 80, 0.08);
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-muted: #626266;
  
  /* Typography */
  --font-serif: 'Cormorant Garamond', serif;
  --font-sans: 'Outfit', sans-serif;
  
  /* Transitions & Shadows */
  --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-medium: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --glass-bg: rgba(14, 14, 16, 0.4);
  --glass-border: rgba(205, 162, 80, 0.12);
  --glass-border-hover: rgba(205, 162, 80, 0.35);
  --shadow-luxury: 0 30px 60px rgba(0, 0, 0, 0.8);
  --shadow-subtle-glow: 0 0 25px rgba(205, 162, 80, 0.05);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-onyx);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-onyx);
}

/* Custom Interactive Cursor Follower */
.custom-cursor {
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--color-accent-gold);
  border-radius: 50%;
  position: fixed;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 9999;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
              height 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
              background-color 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  mix-blend-mode: difference;
}

.custom-cursor-dot {
  width: 4px;
  height: 4px;
  background-color: var(--color-accent-gold);
  border-radius: 50%;
  position: fixed;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 10000;
}

/* Cursor Hover States */
.hoverable-element:hover ~ .custom-cursor {
  width: 55px;
  height: 55px;
  background-color: rgba(205, 162, 80, 0.08);
  border-color: var(--color-accent-rose);
}

/* Background Particle Canvas */
#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

/* Ambient Background Orbs */
.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  z-index: 0;
  pointer-events: none;
  opacity: 0.18;
}

.orb-rose {
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--color-accent-rose) 0%, transparent 70%);
  top: -10vw;
  right: -5vw;
  animation: floatOrb 22s infinite alternate ease-in-out;
}

.orb-gold {
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, var(--color-accent-gold) 0%, transparent 70%);
  bottom: 15%;
  left: -8vw;
  animation: floatOrb 28s infinite alternate-reverse ease-in-out;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(3vw, 4vw) scale(1.08); }
}

/* Typography Helpers */
.title-serif {
  font-family: var(--font-serif);
  font-weight: 300;
  letter-spacing: 0.03em;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(7, 7, 8, 0.7);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
  transition: var(--transition-smooth);
}

.nav-container {
  max-width: 1450px;
  margin: 0 auto;
  padding: 16px 40px;
  display: flex;
  justify-content: space-between; /* Restore left-aligned logo and right-aligned links */
  align-items: center;
}

.logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo img {
  height: 52px; /* Prominent, elegant height that fits perfectly in header flow */
  width: auto;
  object-fit: contain;
  transition: var(--transition-medium);
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.4));
}

.logo img:hover {
  transform: scale(1.03);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  transition: var(--transition-fast);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent-gold);
  transition: var(--transition-fast);
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: transparent;
  border: 1px solid var(--color-accent-gold);
  color: var(--color-accent-gold);
  padding: 10px 26px;
  border-radius: 40px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.nav-cta:hover {
  background: var(--color-accent-gold);
  color: var(--bg-onyx);
  box-shadow: 0 0 20px var(--color-gold-glow);
  transform: translateY(-2px);
}

/* Sleek Social Links in Header & Footer */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 25px;
}

.nav-socials {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-social-link {
  color: var(--text-secondary);
  font-size: 16px;
  transition: var(--transition-fast);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-social-link:hover {
  color: var(--color-accent-gold);
  transform: translateY(-2px);
}

.footer-text-group {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-social-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
  font-weight: 500;
}

.footer-social-link i {
  font-size: 15px;
}

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

/* Hero Section (Digital Exhibition Hall) */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 160px 40px 100px;
  z-index: 10;
}

.hero-content {
  max-width: 1100px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 5;
}

.hero-badge {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.35em;
  color: var(--color-accent-gold);
  margin-bottom: 25px;
  border: 1px solid var(--glass-border);
  padding: 8px 22px;
  border-radius: 30px;
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
}

.hero-title {
  font-size: clamp(3.8rem, 6.5vw, 7.5rem);
  line-height: 1.02;
  margin-bottom: 30px;
  color: var(--text-primary);
}

.hero-title span {
  display: block;
  font-style: italic;
  font-weight: 300;
  color: var(--color-accent-rose);
  background: linear-gradient(135deg, var(--color-accent-rose) 0%, var(--color-accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  max-width: 700px;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-family: var(--font-serif);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 45px;
}

.hero-actions {
  display: flex;
  gap: 20px;
}

.btn-luxury {
  padding: 16px 40px;
  border-radius: 40px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-gold {
  background: var(--color-accent-gold);
  color: var(--bg-onyx);
  border: none;
  box-shadow: 0 10px 30px rgba(205, 162, 80, 0.25);
}

.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px var(--color-gold-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.btn-outline:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  transform: translateY(-3px);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  text-decoration: none;
  z-index: 5;
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--color-accent-gold), transparent);
  position: relative;
  overflow: hidden;
}

.scroll-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--text-primary);
  animation: scrollDown 2.2s infinite ease-in-out;
}

@keyframes scrollDown {
  0% { transform: translateY(-100%); }
  80% { transform: translateY(200%); }
  100% { transform: translateY(200%); }
}

/* Minimalist Museum Filter Navigation */
.filter-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  padding: 10px 22px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition-medium);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(205, 162, 80, 0.3);
  background: rgba(255, 255, 255, 0.02);
}

.filter-btn.active {
  color: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
  background: var(--color-gold-dim);
  box-shadow: var(--shadow-subtle-glow);
}

/* Portfolio Gallery Showcase */
.showcase-section {
  padding: 140px 40px;
  position: relative;
  z-index: 10;
  max-width: 1600px;
  margin: 0 auto;
}

.section-header {
  max-width: 800px;
  margin: 0 auto 80px;
  text-align: center;
}

.section-subtitle {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-accent-gold);
  margin-bottom: 18px;
  display: block;
}

.section-title {
  font-size: clamp(2.6rem, 4.5vw, 4.2rem);
  line-height: 1.15;
  margin-bottom: 25px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.65;
}

/* Museum Wall Art Gallery Masonry (Varying Ratios) */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 50px;
}

/* 3D Tilt Art Piece Plaque Card */
.art-card-container {
  perspective: 1200px;
  will-change: transform;
}

.art-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.1s ease;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.art-card:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-luxury);
}

.art-image-wrapper {
  width: 100%;
  aspect-ratio: 4 / 5; /* Beautiful portrait ratio */
  overflow: hidden;
  position: relative;
  background-color: #0b0b0c;
  transform: translateZ(25px); /* push out for 3D depth */
}

.art-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.art-card:hover .art-img {
  transform: scale(1.08);
}

/* Card Museum Overlay */
.art-hover-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(7, 7, 8, 0.95) 0%, rgba(7, 7, 8, 0.4) 60%, transparent 100%);
  opacity: 0;
  display: flex;
  align-items: flex-end;
  padding: 35px;
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2;
}

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

.art-details {
  transform: translateY(25px) translateZ(10px);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.art-card:hover .art-details {
  transform: translateY(0) translateZ(10px);
}

.art-code {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-accent-gold);
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}

.art-name {
  font-size: 28px;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.art-action {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent-rose);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.art-action i {
  transition: transform 0.3s ease;
}

.art-card:hover .art-action i {
  transform: translateX(5px);
}

/* Static Card Museum Plaque Label (Clean editorial elegance) */
.art-info-panel {
  padding: 24px 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.02);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(11, 11, 13, 0.35);
  transform: translateZ(15px);
}

.art-info-title h4 {
  font-size: 19px;
  margin-bottom: 4px;
}

.art-info-title span {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.art-info-tag {
  border: 1px solid rgba(205, 162, 80, 0.15);
  background: rgba(205, 162, 80, 0.04);
  color: var(--color-accent-gold);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Craftsmanship & Exhibition Philosophy */
.craftsmanship-section {
  padding: 150px 40px;
  position: relative;
  z-index: 10;
  background-color: var(--bg-obsidian);
  border-top: 1px solid rgba(255, 255, 255, 0.01);
  border-bottom: 1px solid rgba(255, 255, 255, 0.01);
}

.craft-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 100px;
  align-items: center;
}

.craft-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  position: relative;
}

.craft-img-box {
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--glass-border);
  position: relative;
  box-shadow: 0 15px 35px rgba(0,0,0,0.5);
}

.craft-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.craft-img-box:hover img {
  transform: scale(1.06);
}

.craft-img-box:nth-child(even) {
  transform: translateY(50px);
}

.craft-text {
  padding-left: 20px;
}

.craft-list {
  margin-top: 45px;
  display: flex;
  flex-direction: column;
  gap: 35px;
}

.craft-item {
  display: flex;
  gap: 22px;
  align-items: flex-start;
}

.craft-icon {
  background: var(--color-gold-dim);
  border: 1px solid rgba(205, 162, 80, 0.18);
  width: 52px;
  height: 52px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-gold);
  font-size: 19px;
  flex-shrink: 0;
}

.craft-item-details h4 {
  font-size: 21px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.craft-item-details p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.65;
}

/* Sizing Guide */
.guide-section {
  padding: 150px 40px;
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
}

.guide-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 80px;
}

.guide-step-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 45px 35px;
  border-radius: 20px;
  position: relative;
  transition: var(--transition-smooth);
}

.guide-step-card:hover {
  transform: translateY(-8px);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-luxury);
}

.step-num {
  font-family: var(--font-serif);
  font-size: 54px;
  font-weight: 300;
  color: var(--color-gold-dim);
  line-height: 1;
  margin-bottom: 22px;
  display: block;
  transition: var(--transition-smooth);
}

.guide-step-card:hover .step-num {
  color: var(--color-accent-gold);
}

.guide-step-card h3 {
  font-size: 21px;
  margin-bottom: 12px;
}

.guide-step-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.65;
}

/* Call To Action (Exhibition Checkout) */
.cta-section {
  padding: 200px 40px;
  position: relative;
  z-index: 10;
  text-align: center;
  background: linear-gradient(to bottom, transparent, rgba(205, 162, 80, 0.04) 100%);
}

.cta-box {
  max-width: 950px;
  margin: 0 auto;
  background: radial-gradient(circle at center, rgba(205, 162, 80, 0.08) 0%, transparent 80%);
  padding: 90px 40px;
  border-radius: 40px;
  border: 1px solid rgba(205, 162, 80, 0.04);
}

.cta-title {
  font-size: clamp(2.6rem, 5.5vw, 5.2rem);
  margin-bottom: 25px;
}

.cta-desc {
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-family: var(--font-serif);
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 50px;
  line-height: 1.65;
}

.btn-pulse-gold {
  background: var(--color-accent-gold);
  color: var(--bg-onyx);
  padding: 22px 55px;
  font-size: 15px;
  border-radius: 50px;
  box-shadow: 0 0 35px var(--color-gold-glow);
  animation: pulseGold 2.2s infinite ease-in-out;
}

.btn-pulse-gold:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 0 50px rgba(205, 162, 80, 0.6);
  animation: none;
}

@keyframes pulseGold {
  0% { box-shadow: 0 0 15px var(--color-gold-glow); }
  50% { box-shadow: 0 0 35px rgba(205, 162, 80, 0.5); }
  100% { box-shadow: 0 0 15px var(--color-gold-glow); }
}

/* Footer Section */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.02);
  padding: 60px 40px;
  background-color: #040405;
  position: relative;
  z-index: 10;
}

.footer-content {
  max-width: 1450px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-text {
  color: var(--text-muted);
  font-size: 13px;
}

.footer-admin-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

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

/* Full Screen Lightbox Modal - Luxury Museum Layout */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(6, 6, 7, 0.99);
  z-index: 9999;
  display: none;
  opacity: 0;
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  justify-content: center;
  align-items: center;
  padding: 40px;
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox-close {
  position: absolute;
  top: 40px;
  right: 40px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 36px;
  font-weight: 200;
  cursor: pointer;
  transition: var(--transition-fast);
  z-index: 10;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.lightbox-close:hover {
  color: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
  transform: rotate(90deg);
}

.lightbox-container {
  width: 100%;
  max-width: 1300px;
  height: 80vh;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 70px;
  align-items: center;
  transform: scale(0.92);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Lightbox Visual Area */
.lightbox-visual {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
  position: relative;
}

.lightbox-main-img-box {
  width: 100%;
  height: 65vh;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background-color: #0a0a0b;
  position: relative;
}

.lightbox-main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

/* Carousel/Secondary thumbnails */
.lightbox-thumbs {
  display: flex;
  gap: 15px;
  overflow-x: auto;
  padding-bottom: 5px;
}

.lightbox-thumbs::-webkit-scrollbar {
  height: 4px;
}

.lightbox-thumbs::-webkit-scrollbar-thumb {
  background: var(--color-gold-dim);
  border-radius: 2px;
}

.lightbox-thumb {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  overflow: hidden;
  border: 1.5px solid transparent;
  cursor: pointer;
  flex-shrink: 0;
  opacity: 0.55;
  transition: var(--transition-fast);
}

.lightbox-thumb:hover {
  opacity: 0.9;
}

.lightbox-thumb.active {
  border-color: var(--color-accent-gold);
  opacity: 1;
  box-shadow: 0 0 12px var(--color-gold-glow);
}

.lightbox-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Lightbox Info Panel */
.lightbox-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  color: var(--text-primary);
  max-width: 500px;
}

.lightbox-code {
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--color-accent-gold);
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 600;
}

.lightbox-name {
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  margin-bottom: 20px;
  line-height: 1.1;
}

.lightbox-category {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 30px;
  background: rgba(255, 255, 255, 0.02);
}

/* Museum Plaque Spec Label */
.lightbox-plaque {
  border-left: 2px solid var(--color-accent-gold);
  padding-left: 20px;
  margin-bottom: 35px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lightbox-plaque-item {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
}

.lightbox-plaque-item strong {
  color: var(--text-primary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.1em;
  display: inline-block;
  width: 100px;
}

.lightbox-spec-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 45px;
  width: 100%;
}

.lightbox-spec-item {
  display: flex;
  align-items: center;
  gap: 15px;
}

.lightbox-spec-icon {
  color: var(--color-accent-rose);
  font-size: 15px;
}

.lightbox-spec-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.lightbox-btn {
  width: 100%;
  text-align: center;
  padding: 18px 40px;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

/* Dynamic Reveal Anim triggers */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   EXHIBITION COLLATERALS: PREP KIT, CUSTOM COMMISSIONS & CURATION FAQ
   ========================================================================== */

/* Prep Kit Highlights */
.prep-section {
  padding: 130px 40px;
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
}

.prep-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 80px;
  align-items: center;
}

.prep-visual-box {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow-luxury);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

.prep-card-item {
  border: 1px solid rgba(255, 255, 255, 0.03);
  background: rgba(255, 255, 255, 0.01);
  padding: 24px;
  border-radius: 16px;
  text-align: center;
  transition: var(--transition-medium);
}

.prep-card-item:hover {
  border-color: var(--glass-border-hover);
  background: var(--color-gold-dim);
  transform: translateY(-5px);
}

.prep-card-icon {
  font-size: 26px;
  color: var(--color-accent-gold);
  margin-bottom: 12px;
}

.prep-card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.prep-card-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Custom Commission Plaque */
.commission-section {
  padding: 140px 40px;
  position: relative;
  z-index: 10;
  background-color: var(--bg-obsidian);
  border-top: 1px solid rgba(255, 255, 255, 0.01);
  border-bottom: 1px solid rgba(255, 255, 255, 0.01);
}

.commission-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.commission-visual-card {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-luxury);
}

.commission-visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.commission-visual-card:hover img {
  transform: scale(1.04);
}

/* Curation FAQ Accordion */
.faq-section {
  padding: 130px 40px;
  position: relative;
  z-index: 10;
  max-width: 1000px;
  margin: 0 auto;
}

.faq-container {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.faq-item {
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition-medium);
}

.faq-item:hover {
  border-color: var(--glass-border-hover);
}

.faq-header {
  padding: 24px 30px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.02em;
  transition: var(--transition-fast);
}

.faq-header:hover {
  color: var(--color-accent-gold);
}

.faq-icon {
  font-size: 14px;
  color: var(--color-accent-gold);
  transition: transform 0.4s ease;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0, 1, 0, 1);
  padding: 0 30px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.65;
}

.faq-item.active .faq-content {
  max-height: 500px; /* arbitrary height to slide down */
  transition: max-height 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  padding-bottom: 24px;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-item.active {
  border-color: var(--glass-border-hover);
  background: rgba(255, 255, 255, 0.01);
}

/* Responsive Grid Adaptation */
@media (max-width: 1200px) {
  .craft-container {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .craft-img-box:nth-child(even) {
    transform: translateY(0);
  }
  .lightbox-container {
    grid-template-columns: 1fr;
    height: 90vh;
    gap: 40px;
    overflow-y: auto;
    padding-right: 10px;
  }
  .lightbox-main-img-box {
    height: 40vh;
  }
  .lightbox-visual {
    height: auto;
  }
  .lightbox-info {
    max-width: 100%;
  }
}

@media (max-width: 992px) {
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
  .guide-steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 25px;
  }
  .nav-links {
    display: none;
  }
  .nav-container {
    padding: 15px 30px;
  }
  .logo img {
    height: 44px; /* Scaled down for tablet */
  }
}

@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .guide-steps-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 120px 20px 60px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 15px;
  }
  .btn-luxury {
    width: 100%;
    text-align: center;
  }
  .showcase-section, .craftsmanship-section, .guide-section, .cta-section {
    padding: 80px 20px;
  }
  .cta-box {
    padding: 50px 20px;
  }
  .logo img {
    height: 38px; /* Scaled down for mobile */
  }
  .nav-socials {
    display: none;
  }
}