/* ============================================
   GlassCraft 彩绘玻璃工作室 — Global Styles
   ============================================ */

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

:root {
  --color-deep-indigo: #1a1a2e;
  --color-warm-gold: #d4a843;
  --color-glass-white: #f5f0eb;
  --color-glass-blue: #3d5a80;
  --color-silver: #8d857a;
  --color-painted-red: #c44536;
  --color-dark-bg: #12121f;
  --color-card-bg: rgba(255, 255, 255, 0.04);
  --color-card-border: rgba(212, 168, 67, 0.15);

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --transition-fast: 0.2s ease;
  --transition-base: 0.35s ease;
  --transition-slow: 0.6s ease;

  --container-max: 1200px;
  --nav-height: 80px;
}

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  background: #16161e;
  color: #ede4d8;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-warm-gold);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: #e8c55a; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-warm-gold);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--color-glass-white);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-silver);
  max-width: 600px;
  line-height: 1.8;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  text-decoration: none;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--color-warm-gold);
  color: var(--color-deep-indigo);
}
.btn-primary:hover {
  background: #e8c55a;
  color: var(--color-deep-indigo);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 168, 67, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--color-glass-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-secondary:hover {
  border-color: var(--color-warm-gold);
  color: var(--color-warm-gold);
  transform: translateY(-2px);
}

.btn-outline-gold {
  background: transparent;
  color: var(--color-warm-gold);
  border: 1px solid var(--color-warm-gold);
}
.btn-outline-gold:hover {
  background: var(--color-warm-gold);
  color: var(--color-deep-indigo);
  transform: translateY(-2px);
}

/* --- Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(18, 18, 31, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(212, 168, 67, 0.08);
  transition: background var(--transition-base);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-glass-white);
  text-decoration: none;
}

.logo-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 400;
  color: rgba(245, 240, 235, 0.7);
  border-radius: 4px;
  transition: all var(--transition-fast);
  letter-spacing: 0.3px;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-glass-white);
  background: rgba(255, 255, 255, 0.06);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-glass-white);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 18, 31, 0.65) 0%, rgba(26, 26, 46, 0.8) 100%),
    url("../assets/images/hero-bg.webp") center / cover no-repeat;
  z-index: 0;
}

/* overlay removed */

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-warm-gold);
  border: 1px solid rgba(212, 168, 67, 0.3);
  padding: 6px 20px;
  border-radius: 2px;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--color-glass-white);
}

.hero h1 .gold {
  color: var(--color-warm-gold);
}

.hero h1 .bg-text {
  display: block;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-family: var(--font-body);
  font-weight: 300;
  color: rgba(245, 240, 235, 0.6);
  margin-top: 16px;
  letter-spacing: 2px;
}

.hero-sub {
  font-size: clamp(0.9rem, 1.8vw, 1.05rem);
  color: rgba(245, 240, 235, 0.6);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero-scroll-indicator .scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--color-warm-gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* --- Section Shared --- */
.section {
  padding: 100px 0;
  background: #16161e;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* --- Featured Works (Homepage carousel) --- */
.featured-works {
  background: #16161e;
}

.carousel-container {
  position: relative;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.carousel-slide {
  min-width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 0 24px;
}

.carousel-image {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 4px;
}

.carousel-image .glass-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2a1f3d, #1a3a4a, #3d2a1a, #1a2a3d);
  background-size: 400% 400%;
  animation: glassShift 8s ease infinite;
  position: relative;
}

.carousel-image .glass-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(212, 168, 67, 0.2) 0%, transparent 50%),
    linear-gradient(225deg, rgba(61, 90, 128, 0.2) 0%, transparent 50%);
}

@keyframes glassShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.carousel-image .glass-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
}

.carousel-info h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.carousel-info .category {
  color: var(--color-warm-gold);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.carousel-info p {
  color: rgba(245, 240, 235, 0.6);
  line-height: 1.8;
  margin-bottom: 24px;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
}

.carousel-btn {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-glass-white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.carousel-btn:hover {
  border-color: var(--color-warm-gold);
  color: var(--color-warm-gold);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.carousel-dot.active {
  background: var(--color-warm-gold);
  width: 28px;
  border-radius: 4px;
}

/* --- Services Grid (Homepage) --- */
.services-preview {
  background: #f5f0eb;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: #1e1e2a;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 40px 32px;
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: rgba(212, 168, 67, 0.3);
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.06);
}

.service-card .icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 4px;
  background: rgba(212, 168, 67, 0.1);
  margin-bottom: 24px;
  color: var(--color-warm-gold);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-silver);
  line-height: 1.7;
}

/* --- Gallery Grid --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  aspect-ratio: 3/4;
  background: rgba(255, 255, 255, 0.03);
}

.gallery-item .glass-placeholder {
  width: 100%;
  height: 100%;
  position: relative;
  transition: transform var(--transition-slow);
}

.gallery-item:hover .glass-placeholder {
  transform: scale(1.05);
}

.gallery-item .glass-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 16px 16px;
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(26, 26, 46, 0.9));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.gallery-item-overlay h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.gallery-item-overlay span {
  font-size: 0.8rem;
  color: var(--color-warm-gold);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* --- Filter Tabs --- */
/* --- Lightbox --- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.lightbox.open {
  display: flex;
}

.lightbox-content {
  max-width: 700px;
  width: 100%;
  position: relative;
}

.lightbox-image {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, #2a1f3d, #1a3a4a);
  border-radius: 4px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.lightbox-image .glass-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
}

.lightbox-info h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.lightbox-info p {
  color: var(--color-silver);
  font-size: 0.9rem;
}

.lightbox-close {
  position: absolute;
  top: -60px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-glass-white);
  font-size: 2rem;
  cursor: pointer;
  padding: 8px;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}
.lightbox-close:hover { opacity: 1; }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-glass-white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.lightbox-nav:hover {
  border-color: var(--color-warm-gold);
  color: var(--color-warm-gold);
}
.lightbox-nav.prev { left: -72px; }
.lightbox-nav.next { right: -72px; }

/* --- Story / About Preview --- */
.story-section {
  background: #16161e;
  position: relative;
  overflow: hidden;
}

.story-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-warm-gold), transparent);
}

.story-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.story-text .lead {
  font-size: 1.15rem;
  color: var(--color-glass-white);
  line-height: 1.8;
  margin-bottom: 20px;
}

.story-text p {
  color: var(--color-silver);
  line-height: 1.8;
  margin-bottom: 16px;
}

.story-image {
  aspect-ratio: 4/3;
  border-radius: 4px;
  background: linear-gradient(135deg, #1a2a3d, #2a1f3d, #1a3a2a);
  background-size: 400% 400%;
  animation: glassShift 10s ease infinite;
  position: relative;
}

.story-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: 80px 0;
  background: linear-gradient(180deg, var(--color-dark-bg), var(--color-deep-indigo), var(--color-dark-bg));
}

.cta-section h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--color-silver);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Footer --- */
.site-footer {
  background: #1e1e2a;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--color-silver);
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-glass-white);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--color-silver);
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}
.footer-col a:hover {
  color: var(--color-warm-gold);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-silver);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-silver);
  transition: all var(--transition-fast);
}
.footer-social a:hover {
  border-color: var(--color-warm-gold);
  color: var(--color-warm-gold);
}

/* --- Page Header (inner pages) --- */
.page-header {
  padding: calc(var(--nav-height) + 40px) 0 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: #1a1a2e;
}

.page-header-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 18, 31, 0.7) 0%, rgba(26, 26, 46, 0.85) 100%),
    url("../assets/images/hero-bg.webp") center / cover no-repeat;
  z-index: 0;
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.page-header p {
  color: var(--color-silver);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}

.page-body {
  padding: 0 0 100px;
}

/* --- Services Page --- */
.services-page-grid {
  display: grid;
  gap: 0;
}

.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 80px 0;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.service-detail:last-child { border-bottom: none; }
.service-detail:nth-child(even) .service-visual { order: 1; }
.service-detail:nth-child(even) .service-text { order: 0; }

.service-visual {
  aspect-ratio: 4/3;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #2a1f3d, #1a3a4a);
}

.service-visual .glass-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 20px 20px;
}

.service-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 8px;
}

.service-text .subtitle {
  color: var(--color-warm-gold);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 16px;
  display: block;
}

.service-text p {
  color: var(--color-silver);
  line-height: 1.8;
  margin-bottom: 16px;
}

.service-features {
  list-style: none;
  margin-top: 20px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--color-glass-white);
  font-size: 0.9rem;
}

.service-features li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--color-warm-gold);
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- Process Timeline --- */
.process-section {
  padding: 80px 0;
  background: #16161e;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  counter-reset: step;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 32px;
  left: calc(50% + 32px);
  right: calc(-50% + 32px);
  height: 1px;
  background: linear-gradient(90deg, var(--color-warm-gold), transparent);
}
.process-step:last-child::after { display: none; }

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--color-warm-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-warm-gold);
}

.process-step h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--color-silver);
  line-height: 1.6;
}

/* --- About Page --- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.about-image {
  aspect-ratio: 3/4;
  border-radius: 4px;
  background: linear-gradient(135deg, #1a2a3d, #2a1f3d);
  position: relative;
}

.about-image .glass-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 20px 20px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.value-item {
  text-align: center;
  padding: 40px 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  transition: all var(--transition-base);
}
.value-item:hover {
  border-color: rgba(212, 168, 67, 0.2);
}

.value-item h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.value-item p {
  font-size: 0.85rem;
  color: var(--color-silver);
  line-height: 1.7;
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info-list {
  list-style: none;
  margin-top: 32px;
}

.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.contact-info-list li:last-child { border-bottom: none; }

.contact-info-list .icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  background: rgba(212, 168, 67, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-warm-gold);
}

.contact-info-list .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-silver);
  margin-bottom: 4px;
}

.contact-info-list .value {
  font-size: 0.95rem;
  color: var(--color-glass-white);
}

/* --- Contact Form --- */
.contact-form {
  background: #1e1e2a;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-silver);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  color: var(--color-glass-white);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-warm-gold);
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238d8d8d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-painted-red);
}

.form-error {
  color: var(--color-painted-red);
  font-size: 0.8rem;
  margin-top: 6px;
  display: none;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px;
}

.form-success.show {
  display: block;
}

.form-success h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.form-success p {
  color: var(--color-silver);
}

/* --- Animations --- */
.fade-in {
  opacity: 1;
  transform: none;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .carousel-slide {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .carousel-image {
    aspect-ratio: 16/9;
  }

  .story-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .service-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .service-detail:nth-child(even) .service-visual { order: 0; }
  .service-detail:nth-child(even) .service-text { order: 0; }

  .about-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
  .process-step::after { display: none; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
  }
  .container {
    padding: 0 var(--container-padding);
  }
  .section {
    padding: 60px 0;
  }
  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }
  .hero-sub {
    font-size: 0.95rem;
  }
  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }
  .btn {
    width: 100%;
    justify-content: center;
    min-height: 44px;
  }
  .hero-badge {
    font-size: 0.7rem;
    padding: 4px 12px;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .section-desc {
    font-size: 0.95rem;
  }
  .section-label {
    font-size: 0.75rem;
  }
  .nav-links {
    padding: 20px 16px;
  }
  .nav-links a {
    padding: 16px 0;
    font-size: 1rem;
    width: 100%;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-toggle {
    display: none !important;
  }
  /* Hero */
  .hero {
    min-height: auto;
    padding: 80px 0 40px;
  }
  .hero-bg {
    background:
      linear-gradient(rgba(18, 18, 31, 0.7), rgba(18, 18, 31, 0.75)),
      
  }
  .hero h1 {
    font-size: clamp(1.8rem, 9vw, 2.5rem);
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  /* Carousel */
  .carousel-slide {
    grid-template-columns: 1fr;
    gap: 16px;
    text-align: center;
  }
  .carousel-image {
    aspect-ratio: 16/9;
    max-height: 45vh;
  }
  .carousel-info h3 {
    font-size: 1.2rem;
  }
  .carousel-info p {
    font-size: 0.85rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  /* Product cards */
  .product-card {
    min-width: calc(50% - 10px);
  }
  .product-card-badge {
    font-size: 0.65rem;
  }
  .product-card-info h4 {
    font-size: 0.8rem;
  }
  /* Gallery */
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .gallery-item {
    aspect-ratio: 1/1;
  }
  .gallery-item img {
    max-height: 40vh;
  }
  /* Services */
  .service-detail {
    padding: 40px 0;
    gap: 30px;
    grid-template-columns: 1fr;
    text-align: center;
  }
  .service-detail:nth-child(even) .service-visual {
    order: 0;
  }
  .service-text h3 {
    font-size: 1.4rem;
  }
  .service-text p {
    font-size: 0.9rem;
  }
  .service-features {
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
  }
  /* Process */
  .process-timeline {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .process-step {
    text-align: left;
    display: flex;
    gap: 16px;
    align-items: center;
  }
  .step-number {
    margin: 0;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    font-size: 1rem;
  }
  /* Values */
  .values-grid {
    grid-template-columns: 1fr;
  }
  /* About */
  .about-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  /* Contact form */
  .contact-form {
    padding: 24px;
  }
  .form-group input,
  .form-group textarea {
    font-size: 16px;
    padding: 14px 16px;
    min-height: 48px;
  }
  .form-group select {
    font-size: 16px;
    padding: 14px 16px;
    min-height: 48px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  /* Remove decorative overlays on mobile */
  /* overlay removed */
  .page-header-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 18, 31, 0.7) 0%, rgba(26, 26, 46, 0.85) 100%),
    url("../assets/images/hero-bg.webp") center / cover no-repeat;
  z-index: 0;
}
  .lightbox-nav.prev,
  .lightbox-nav.next {
    width: 36px;
    height: 36px;
    font-size: 0.8rem;
  }
}


@media (max-width: 480px) {
  .product-card {
    min-width: calc(100% - 10px);
  }
  .product-card-image {
    aspect-ratio: 16/10;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-item {
    aspect-ratio: 4/3;
  }
  .contact-form {
    padding: 20px;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero-badge {
    font-size: 0.6rem;
  }
  .values-combined {
    padding: 24px 16px;
  }
  .service-detail {
    padding: 30px 0;
  }
  .carousel-image {
    max-height: 40vh;
  }
  .about-image-col {
    max-height: 35vh;
  }
  .section {
    padding: 40px 0;
  }
  .carousel-controls .carousel-btn {
    width: 36px;
    height: 36px;
  }
}





/* --- Product Carousel (Homepage) --- */
.product-carousel {
  background: #16161e;
}

.product-carousel-container {
  position: relative;
  overflow: hidden;
}

.product-track {
  display: flex;
  gap: 20px;
  will-change: transform;
  transition: transform 0.3s ease;
}

.product-card {
  min-width: calc(16.66% - 17px);
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
  background: #1e1e2a;
  border: 1px solid rgba(255,255,255,0.06);
  transition: all var(--transition-base);
  cursor: pointer;
}

.product-card:hover {
  border-color: rgba(212, 168, 67, 0.3);
  transform: translateY(-4px);
}

.product-card-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

.product-card-image .glass-placeholder {
  width: 100%;
  height: 100%;
}

.product-card-image .glass-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 16px 16px;
}

.product-card-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 3px 8px;
  font-size: 0.6rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.55);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  border-radius: 2px;
  color: var(--color-warm-gold);
  border: 1px solid rgba(212, 168, 67, 0.15);
}

.product-card-info {
  padding: 10px 12px 12px;
}

.product-card-info h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.product-card-tag {
  font-size: 0.65rem;
  color: var(--color-silver);
  letter-spacing: 0.3px;
}

.product-card-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-top: 32px;
}

.product-btn {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-glass-white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.product-btn:hover {
  border-color: var(--color-warm-gold);
  color: var(--color-warm-gold);
}

.product-dots {
  display: flex;
  gap: 6px;
}

.product-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}
.product-dot.active {
  background: var(--color-warm-gold);
  width: 22px;
  border-radius: 3px;
}

@media (max-width: 1024px) {
  .product-card {
    min-width: calc(25% - 15px);
  }
}

@media (max-width: 640px) {
  .product-card {
    min-width: calc(50% - 10px);
  }
}


/* Product card hover zoom effect */
.product-card-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.product-card:hover .product-card-image img {
  transform: scale(1.15);
}

/* Carousel image support */
.carousel-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Gallery image support */
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

/* Service-visual image support */
.service-visual img,
img[alt*="工艺"] {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 4px;
}

/* About image support */
.about-image img,
img.about-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 4px;
}


/* About page improvements */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.about-image-col {
  position: relative;
  aspect-ratio: 3/4;
  border-radius: 4px;
  overflow: hidden;
}

.about-image-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 4px;
}

.about-text-col {
  padding: 0;
}

.about-text-col .section-label {
  margin-bottom: 8px;
}

.about-text-col .section-title {
  margin-bottom: 24px;
}

.about-text-col p {
  color: var(--color-silver);
  line-height: 1.8;
  margin-bottom: 16px;
}

.contact-info-list {
  margin-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 20px;
}

.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  border: none !important;
  list-style: none;
  color: var(--color-silver);
  font-size: 0.9rem;
}

.contact-info-list li span {
  color: var(--color-warm-gold);
  font-weight: 600;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .about-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}


/* Universal image lightbox */
.universal-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.univ-lightbox-bg {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.univ-lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  z-index: 1;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.2rem;
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s;
  line-height: 1;
}

.univ-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.univ-lightbox-container {
  position: relative;
  z-index: 1;
  max-width: 85vw;
  max-height: 85vh;
}

.univ-lightbox-container img {
  max-width: 85vw;
  max-height: 85vh;
  display: block;
  border-radius: 2px;
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.6);
}

/* VR Gallery Lightbox */
.lightbox.open .lightbox-content {
  animation: lbFadeIn 0.3s ease;
}

@keyframes lbFadeIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.lightbox-image img {
  max-width: 85vw;
  max-height: 80vh;
  display: block;
  margin: 0 auto;
  border-radius: 2px;
  box-shadow: 0 8px 60px rgba(212, 168, 67, 0.08), 0 0 80px rgba(0, 0, 0, 0.5);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.lightbox {
  background: rgba(0, 0, 0, 0.94) !important;
}





img[loading="lazy"],
img.carousel-img {
  cursor: pointer;
}


/* Lightbox layout fix for VR */
.lightbox-image {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 20px;
}

.lightbox-content {
  perspective: 1400px;
}

/* Unified values box */
.values-combined {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 36px 40px;
  max-width: 720px;
  margin: 0 auto;
}

.values-combined p {
  color: var(--color-silver);
  line-height: 1.8;
  margin-bottom: 12px;
  font-size: 0.92rem;
}

.values-combined p:last-child {
  margin-bottom: 0;
}

.values-combined strong {
  color: var(--color-warm-gold);
  font-weight: 600;
}


/* Language Switcher */
.lang-switch {
  display: flex;
  align-items: center;
}

.lang-btn {
  background: none;
  border: 1px solid rgba(212, 168, 67, 0.3);
  color: var(--color-warm-gold);
  font-family: var(--font-body);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.5px;
}

.lang-btn:hover {
  border-color: var(--color-warm-gold);
  background: rgba(212, 168, 67, 0.08);
}


/* Mobile responsive images */
@media (max-width: 640px) {
  .gallery-item img {
    max-height: 40vh;
    width: 100%;
    object-fit: cover;
  }
  .gallery-item {
    max-height: 40vh;
    overflow: hidden;
  }
  .carousel-image img {
    max-height: 35vh;
    width: 100%;
    object-fit: cover;
  }
  .product-card-image img {
    max-height: 30vh;
    width: 100%;
    object-fit: cover;
  }
  .service-visual img {
    max-height: 40vh;
    width: 100%;
    object-fit: cover;
  }
  .about-image-col img {
    max-height: 35vh;
    width: 100%;
    object-fit: cover;
  }
  .about-image-col {
    max-height: 35vh;
    overflow: hidden;
  }
  .about-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .about-image-col {
    max-height: 40vh;
  }
  /* Base section padding */
  .section {
    padding: 40px 0;
  }
  .section-header {
    margin-bottom: 30px;
  }
}
}

* ============================================
   GlassCraft 彩绘玻璃工作室 — Global Styles
   ============================================ */

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

:root {
  --color-deep-indigo: #1a1a2e;
  --color-warm-gold: #d4a843;
  --color-glass-white: #f5f0eb;
  --color-glass-blue: #3d5a80;
  --color-silver: #8d857a;
  --color-painted-red: #c44536;
  --color-dark-bg: #12121f;
  --color-card-bg: rgba(255, 255, 255, 0.04);
  --color-card-border: rgba(212, 168, 67, 0.15);

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --transition-fast: 0.2s ease;
  --transition-base: 0.35s ease;
  --transition-slow: 0.6s ease;

  --container-max: 1200px;
  --nav-height: 80px;
}

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  background: #16161e;
  color: #ede4d8;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-warm-gold);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: #e8c55a; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-warm-gold);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--color-glass-white);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-silver);
  max-width: 600px;
  line-height: 1.8;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  text-decoration: none;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--color-warm-gold);
  color: var(--color-deep-indigo);
}
.btn-primary:hover {
  background: #e8c55a;
  color: var(--color-deep-indigo);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 168, 67, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--color-glass-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-secondary:hover {
  border-color: var(--color-warm-gold);
  color: var(--color-warm-gold);
  transform: translateY(-2px);
}

.btn-outline-gold {
  background: transparent;
  color: var(--color-warm-gold);
  border: 1px solid var(--color-warm-gold);
}
.btn-outline-gold:hover {
  background: var(--color-warm-gold);
  color: var(--color-deep-indigo);
  transform: translateY(-2px);
}

/* --- Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(18, 18, 31, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(212, 168, 67, 0.08);
  transition: background var(--transition-base);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-glass-white);
  text-decoration: none;
}

.logo-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 400;
  color: rgba(245, 240, 235, 0.7);
  border-radius: 4px;
  transition: all var(--transition-fast);
  letter-spacing: 0.3px;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-glass-white);
  background: rgba(255, 255, 255, 0.06);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-glass-white);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 18, 31, 0.65) 0%, rgba(26, 26, 46, 0.8) 100%),
    url("../assets/images/hero-bg.webp") center / cover no-repeat;
  z-index: 0;
}

/* overlay removed */

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-warm-gold);
  border: 1px solid rgba(212, 168, 67, 0.3);
  padding: 6px 20px;
  border-radius: 2px;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--color-glass-white);
}

.hero h1 .gold {
  color: var(--color-warm-gold);
}

.hero h1 .bg-text {
  display: block;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-family: var(--font-body);
  font-weight: 300;
  color: rgba(245, 240, 235, 0.6);
  margin-top: 16px;
  letter-spacing: 2px;
}

.hero-sub {
  font-size: clamp(0.9rem, 1.8vw, 1.05rem);
  color: rgba(245, 240, 235, 0.6);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero-scroll-indicator .scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--color-warm-gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* --- Section Shared --- */
.section {
  padding: 100px 0;
  background: #16161e;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* --- Featured Works (Homepage carousel) --- */
.featured-works {
  background: #16161e;
}

.carousel-container {
  position: relative;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.carousel-slide {
  min-width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 0 24px;
}

.carousel-image {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 4px;
}

.carousel-image .glass-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2a1f3d, #1a3a4a, #3d2a1a, #1a2a3d);
  background-size: 400% 400%;
  animation: glassShift 8s ease infinite;
  position: relative;
}

.carousel-image .glass-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(212, 168, 67, 0.2) 0%, transparent 50%),
    linear-gradient(225deg, rgba(61, 90, 128, 0.2) 0%, transparent 50%);
}

@keyframes glassShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.carousel-image .glass-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
}

.carousel-info h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.carousel-info .category {
  color: var(--color-warm-gold);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.carousel-info p {
  color: rgba(245, 240, 235, 0.6);
  line-height: 1.8;
  margin-bottom: 24px;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
}

.carousel-btn {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-glass-white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.carousel-btn:hover {
  border-color: var(--color-warm-gold);
  color: var(--color-warm-gold);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.carousel-dot.active {
  background: var(--color-warm-gold);
  width: 28px;
  border-radius: 4px;
}

/* --- Services Grid (Homepage) --- */
.services-preview {
  background: #f5f0eb;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: #1e1e2a;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 40px 32px;
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: rgba(212, 168, 67, 0.3);
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.06);
}

.service-card .icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 4px;
  background: rgba(212, 168, 67, 0.1);
  margin-bottom: 24px;
  color: var(--color-warm-gold);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-silver);
  line-height: 1.7;
}

/* --- Gallery Grid --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  aspect-ratio: 3/4;
  background: rgba(255, 255, 255, 0.03);
}

.gallery-item .glass-placeholder {
  width: 100%;
  height: 100%;
  position: relative;
  transition: transform var(--transition-slow);
}

.gallery-item:hover .glass-placeholder {
  transform: scale(1.05);
}

.gallery-item .glass-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 16px 16px;
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(26, 26, 46, 0.9));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.gallery-item-overlay h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.gallery-item-overlay span {
  font-size: 0.8rem;
  color: var(--color-warm-gold);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* --- Filter Tabs --- */
/* --- Lightbox --- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.lightbox.open {
  display: flex;
}

.lightbox-content {
  max-width: 700px;
  width: 100%;
  position: relative;
}

.lightbox-image {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, #2a1f3d, #1a3a4a);
  border-radius: 4px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.lightbox-image .glass-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
}

.lightbox-info h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.lightbox-info p {
  color: var(--color-silver);
  font-size: 0.9rem;
}

.lightbox-close {
  position: absolute;
  top: -60px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-glass-white);
  font-size: 2rem;
  cursor: pointer;
  padding: 8px;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}
.lightbox-close:hover { opacity: 1; }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-glass-white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.lightbox-nav:hover {
  border-color: var(--color-warm-gold);
  color: var(--color-warm-gold);
}
.lightbox-nav.prev { left: -72px; }
.lightbox-nav.next { right: -72px; }

/* --- Story / About Preview --- */
.story-section {
  background: #16161e;
  position: relative;
  overflow: hidden;
}

.story-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-warm-gold), transparent);
}

.story-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.story-text .lead {
  font-size: 1.15rem;
  color: var(--color-glass-white);
  line-height: 1.8;
  margin-bottom: 20px;
}

.story-text p {
  color: var(--color-silver);
  line-height: 1.8;
  margin-bottom: 16px;
}

.story-image {
  aspect-ratio: 4/3;
  border-radius: 4px;
  background: linear-gradient(135deg, #1a2a3d, #2a1f3d, #1a3a2a);
  background-size: 400% 400%;
  animation: glassShift 10s ease infinite;
  position: relative;
}

.story-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: 80px 0;
  background: linear-gradient(180deg, var(--color-dark-bg), var(--color-deep-indigo), var(--color-dark-bg));
}

.cta-section h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--color-silver);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Footer --- */
.site-footer {
  background: #1e1e2a;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--color-silver);
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-glass-white);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--color-silver);
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}
.footer-col a:hover {
  color: var(--color-warm-gold);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-silver);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-silver);
  transition: all var(--transition-fast);
}
.footer-social a:hover {
  border-color: var(--color-warm-gold);
  color: var(--color-warm-gold);
}

/* --- Page Header (inner pages) --- */
.page-header {
  padding: calc(var(--nav-height) + 40px) 0 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: #1a1a2e;
}

.page-header-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 18, 31, 0.7) 0%, rgba(26, 26, 46, 0.85) 100%),
    url("../assets/images/hero-bg.webp") center / cover no-repeat;
  z-index: 0;
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.page-header p {
  color: var(--color-silver);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}

.page-body {
  padding: 0 0 100px;
}

/* --- Services Page --- */
.services-page-grid {
  display: grid;
  gap: 0;
}

.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 80px 0;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.service-detail:last-child { border-bottom: none; }
.service-detail:nth-child(even) .service-visual { order: 1; }
.service-detail:nth-child(even) .service-text { order: 0; }

.service-visual {
  aspect-ratio: 4/3;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #2a1f3d, #1a3a4a);
}

.service-visual .glass-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 20px 20px;
}

.service-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 8px;
}

.service-text .subtitle {
  color: var(--color-warm-gold);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 16px;
  display: block;
}

.service-text p {
  color: var(--color-silver);
  line-height: 1.8;
  margin-bottom: 16px;
}

.service-features {
  list-style: none;
  margin-top: 20px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--color-glass-white);
  font-size: 0.9rem;
}

.service-features li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--color-warm-gold);
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- Process Timeline --- */
.process-section {
  padding: 80px 0;
  background: #16161e;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  counter-reset: step;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 32px;
  left: calc(50% + 32px);
  right: calc(-50% + 32px);
  height: 1px;
  background: linear-gradient(90deg, var(--color-warm-gold), transparent);
}
.process-step:last-child::after { display: none; }

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--color-warm-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-warm-gold);
}

.process-step h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--color-silver);
  line-height: 1.6;
}

/* --- About Page --- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.about-image {
  aspect-ratio: 3/4;
  border-radius: 4px;
  background: linear-gradient(135deg, #1a2a3d, #2a1f3d);
  position: relative;
}

.about-image .glass-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 20px 20px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.value-item {
  text-align: center;
  padding: 40px 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  transition: all var(--transition-base);
}
.value-item:hover {
  border-color: rgba(212, 168, 67, 0.2);
}

.value-item h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.value-item p {
  font-size: 0.85rem;
  color: var(--color-silver);
  line-height: 1.7;
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info-list {
  list-style: none;
  margin-top: 32px;
}

.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.contact-info-list li:last-child { border-bottom: none; }

.contact-info-list .icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  background: rgba(212, 168, 67, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-warm-gold);
}

.contact-info-list .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-silver);
  margin-bottom: 4px;
}

.contact-info-list .value {
  font-size: 0.95rem;
  color: var(--color-glass-white);
}

/* --- Contact Form --- */
.contact-form {
  background: #1e1e2a;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-silver);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  color: var(--color-glass-white);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-warm-gold);
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238d8d8d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-painted-red);
}

.form-error {
  color: var(--color-painted-red);
  font-size: 0.8rem;
  margin-top: 6px;
  display: none;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px;
}

.form-success.show {
  display: block;
}

.form-success h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.form-success p {
  color: var(--color-silver);
}

/* --- Animations --- */
.fade-in {
  opacity: 1;
  transform: none;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .carousel-slide {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .carousel-image {
    aspect-ratio: 16/9;
  }

  .story-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .service-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .service-detail:nth-child(even) .service-visual { order: 0; }
  .service-detail:nth-child(even) .service-text { order: 0; }

  .about-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
  .process-step::after { display: none; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
  }
  .container {
    padding: 0 var(--container-padding);
  }
  .section {
    padding: 60px 0;
  }
  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }
  .hero-sub {
    font-size: 0.95rem;
  }
  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }
  .btn {
    width: 100%;
    justify-content: center;
    min-height: 44px;
  }
  .hero-badge {
    font-size: 0.7rem;
    padding: 4px 12px;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .section-desc {
    font-size: 0.95rem;
  }
  .section-label {
    font-size: 0.75rem;
  }
  .nav-links {
    padding: 20px 16px;
  }
  .nav-links a {
    padding: 16px 0;
    font-size: 1rem;
    width: 100%;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-toggle {
    display: none !important;
  }
  /* Hero */
  .hero {
    min-height: auto;
    padding: 80px 0 40px;
  }
  .hero-bg {
    background:
      linear-gradient(rgba(18, 18, 31, 0.7), rgba(18, 18, 31, 0.75)),
      
  }
  .hero h1 {
    font-size: clamp(1.8rem, 9vw, 2.5rem);
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  /* Carousel */
  .carousel-slide {
    grid-template-columns: 1fr;
    gap: 16px;
    text-align: center;
  }
  .carousel-image {
    aspect-ratio: 16/9;
    max-height: 45vh;
  }
  .carousel-info h3 {
    font-size: 1.2rem;
  }
  .carousel-info p {
    font-size: 0.85rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  /* Product cards */
  .product-card {
    min-width: calc(50% - 10px);
  }
  .product-card-badge {
    font-size: 0.65rem;
  }
  .product-card-info h4 {
    font-size: 0.8rem;
  }
  /* Gallery */
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .gallery-item {
    aspect-ratio: 1/1;
  }
  .gallery-item img {
    max-height: 40vh;
  }
  /* Services */
  .service-detail {
    padding: 40px 0;
    gap: 30px;
    grid-template-columns: 1fr;
    text-align: center;
  }
  .service-detail:nth-child(even) .service-visual {
    order: 0;
  }
  .service-text h3 {
    font-size: 1.4rem;
  }
  .service-text p {
    font-size: 0.9rem;
  }
  .service-features {
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
  }
  /* Process */
  .process-timeline {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .process-step {
    text-align: left;
    display: flex;
    gap: 16px;
    align-items: center;
  }
  .step-number {
    margin: 0;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    font-size: 1rem;
  }
  /* Values */
  .values-grid {
    grid-template-columns: 1fr;
  }
  /* About */
  .about-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  /* Contact form */
  .contact-form {
    padding: 24px;
  }
  .form-group input,
  .form-group textarea {
    font-size: 16px;
    padding: 14px 16px;
    min-height: 48px;
  }
  .form-group select {
    font-size: 16px;
    padding: 14px 16px;
    min-height: 48px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  /* Remove decorative overlays on mobile */
  /* overlay removed */
  .page-header-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 18, 31, 0.7) 0%, rgba(26, 26, 46, 0.85) 100%),
    url("../assets/images/hero-bg.webp") center / cover no-repeat;
  z-index: 0;
}
  .lightbox-nav.prev,
  .lightbox-nav.next {
    width: 36px;
    height: 36px;
    font-size: 0.8rem;
  }
}


@media (max-width: 480px) {
  .product-card {
    min-width: calc(100% - 10px);
  }
  .product-card-image {
    aspect-ratio: 16/10;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-item {
    aspect-ratio: 4/3;
  }
  .contact-form {
    padding: 20px;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero-badge {
    font-size: 0.6rem;
  }
  .values-combined {
    padding: 24px 16px;
  }
  .service-detail {
    padding: 30px 0;
  }
  .carousel-image {
    max-height: 40vh;
  }
  .about-image-col {
    max-height: 35vh;
  }
  .section {
    padding: 40px 0;
  }
  .carousel-controls .carousel-btn {
    width: 36px;
    height: 36px;
  }
}





/* --- Product Carousel (Homepage) --- */
.product-carousel {
  background: #16161e;
}

.product-carousel-container {
  position: relative;
  overflow: hidden;
}

.product-track {
  display: flex;
  gap: 20px;
  will-change: transform;
  transition: transform 0.3s ease;
}

.product-card {
  min-width: calc(16.66% - 17px);
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
  background: #1e1e2a;
  border: 1px solid rgba(255,255,255,0.06);
  transition: all var(--transition-base);
  cursor: pointer;
}

.product-card:hover {
  border-color: rgba(212, 168, 67, 0.3);
  transform: translateY(-4px);
}

.product-card-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

.product-card-image .glass-placeholder {
  width: 100%;
  height: 100%;
}

.product-card-image .glass-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 16px 16px;
}

.product-card-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 3px 8px;
  font-size: 0.6rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.55);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  border-radius: 2px;
  color: var(--color-warm-gold);
  border: 1px solid rgba(212, 168, 67, 0.15);
}

.product-card-info {
  padding: 10px 12px 12px;
}

.product-card-info h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.product-card-tag {
  font-size: 0.65rem;
  color: var(--color-silver);
  letter-spacing: 0.3px;
}

.product-card-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-top: 32px;
}

.product-btn {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-glass-white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.product-btn:hover {
  border-color: var(--color-warm-gold);
  color: var(--color-warm-gold);
}

.product-dots {
  display: flex;
  gap: 6px;
}

.product-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}
.product-dot.active {
  background: var(--color-warm-gold);
  width: 22px;
  border-radius: 3px;
}

@media (max-width: 1024px) {
  .product-card {
    min-width: calc(25% - 15px);
  }
}

@media (max-width: 640px) {
  .product-card {
    min-width: calc(50% - 10px);
  }
}


/* Product card hover zoom effect */
.product-card-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.product-card:hover .product-card-image img {
  transform: scale(1.15);
}

/* Carousel image support */
.carousel-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Gallery image support */
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

/* Service-visual image support */
.service-visual img,
img[alt*="工艺"] {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 4px;
}

/* About image support */
.about-image img,
img.about-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 4px;
}


/* About page improvements */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.about-image-col {
  position: relative;
  aspect-ratio: 3/4;
  border-radius: 4px;
  overflow: hidden;
}

.about-image-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 4px;
}

.about-text-col {
  padding: 0;
}

.about-text-col .section-label {
  margin-bottom: 8px;
}

.about-text-col .section-title {
  margin-bottom: 24px;
}

.about-text-col p {
  color: var(--color-silver);
  line-height: 1.8;
  margin-bottom: 16px;
}

.contact-info-list {
  margin-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 20px;
}

.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  border: none !important;
  list-style: none;
  color: var(--color-silver);
  font-size: 0.9rem;
}

.contact-info-list li span {
  color: var(--color-warm-gold);
  font-weight: 600;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .about-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}


/* Universal image lightbox */
.universal-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.univ-lightbox-bg {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.univ-lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  z-index: 1;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.2rem;
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s;
  line-height: 1;
}

.univ-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.univ-lightbox-container {
  position: relative;
  z-index: 1;
  max-width: 85vw;
  max-height: 85vh;
}

.univ-lightbox-container img {
  max-width: 85vw;
  max-height: 85vh;
  display: block;
  border-radius: 2px;
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.6);
}

/* VR Gallery Lightbox */
.lightbox.open .lightbox-content {
  animation: lbFadeIn 0.3s ease;
}

@keyframes lbFadeIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.lightbox-image img {
  max-width: 85vw;
  max-height: 80vh;
  display: block;
  margin: 0 auto;
  border-radius: 2px;
  box-shadow: 0 8px 60px rgba(212, 168, 67, 0.08), 0 0 80px rgba(0, 0, 0, 0.5);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.lightbox {
  background: rgba(0, 0, 0, 0.94) !important;
}





img[loading="lazy"],
img.carousel-img {
  cursor: pointer;
}


/* Lightbox layout fix for VR */
.lightbox-image {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 20px;
}

.lightbox-content {
  perspective: 1400px;
}

/* Unified values box */
.values-combined {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 36px 40px;
  max-width: 720px;
  margin: 0 auto;
}

.values-combined p {
  color: var(--color-silver);
  line-height: 1.8;
  margin-bottom: 12px;
  font-size: 0.92rem;
}

.values-combined p:last-child {
  margin-bottom: 0;
}

.values-combined strong {
  color: var(--color-warm-gold);
  font-weight: 600;
}


/* Language Switcher */
.lang-switch {
  display: flex;
  align-items: center;
}

.lang-btn {
  background: none;
  border: 1px solid rgba(212, 168, 67, 0.3);
  color: var(--color-warm-gold);
  font-family: var(--font-body);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.5px;
}

.lang-btn:hover {
  border-color: var(--color-warm-gold);
  background: rgba(212, 168, 67, 0.08);
}


/* Mobile responsive images */
@media (max-width: 640px) {
  .gallery-item img {
    max-height: 40vh;
    width: 100%;
    object-fit: cover;
  }
  .gallery-item {
    max-height: 40vh;
    overflow: hidden;
  }
  .carousel-image img {
    max-height: 35vh;
    width: 100%;
    object-fit: cover;
  }
  .product-card-image img {
    max-height: 30vh;
    width: 100%;
    object-fit: cover;
  }
  .service-visual img {
    max-height: 40vh;
    width: 100%;
    object-fit: cover;
  }
  .about-image-col img {
    max-height: 35vh;
    width: 100%;
    object-fit: cover;
  }
  .about-image-col {
    max-height: 35vh;
    overflow: hidden;
  }
  .about-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .about-image-col {
    max-height: 40vh;
  }
  /* Base section padding */
  .section {
    padding: 40px 0;
  }
  .section-header {
    margin-bottom: 30px;
  }
}
}

@media (max-width: 768px) {
.nav-inner {
display: flex !important;
flex-wrap: nowrap !important;
overflow-x: auto !important;
overflow-y: hidden !important;
-webkit-overflow-scrolling: touch !important;
scrollbar-width: none !important;
-ms-overflow-style: none !important;
gap: 2px !important;
padding: 0 6px !important;
align-items: center !important;
}
.nav-inner::-webkit-scrollbar { display: none !important; }

.logo {
flex-shrink: 0 !important;
font-size: 0.75rem !important;
margin-right: 2px !important;
}
.logo svg { width: 16px !important; height: 16px !important; }

.nav-links {
display: flex !important;
flex-direction: row !important;
flex-shrink: 0 !important;
width: max-content !important;
position: static !important;
background: none !important;
padding: 0 !important;
box-shadow: none !important;
gap: 3px !important;
align-items: center !important;
}
.nav-links li {
flex-shrink: 0 !important;
width: auto !important;
}
.nav-links a, .lang-btn {
font-size: 0.6rem !important;
padding: 3px 5px !important;
letter-spacing: 0 !important;
white-space: nowrap !important;
width: auto !important;
}
.lang-btn { padding: 2px 5px !important; }
}