/* ============================================================
   TIAN CRAFT FURNITURE — LUXURY THEME
   Brand: Tian Craft Furniture | tiancraftfurniture.com
   Company: หจก.ทองชัยภูมิ | Est. 1997
   Design: Dark Luxury · Gold Accents · International Premium
   ============================================================ */

/* ─── GOOGLE FONTS IMPORT ─────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,600&family=Montserrat:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap');

/* ─── CSS VARIABLES ───────────────────────────────────────── */
:root {
  --color-black:        #0a0a0a;
  --color-dark:         #111111;
  --color-dark-card:    #161616;
  --color-dark-border:  #222222;
  --color-gold:         #c9a96e;
  --color-gold-light:   #e2c48a;
  --color-gold-dark:    #8b6914;
  --color-white:        #f5f0e8;
  --color-white-muted:  #c8c0b0;
  --color-white-dim:    #7a7268;
  --color-overlay:      rgba(0,0,0,0.62);
  --color-overlay-dark: rgba(0,0,0,0.80);

  --font-serif:   'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-sans:    'Montserrat', 'Helvetica Neue', Arial, sans-serif;

  --transition:   all 0.35s cubic-bezier(0.25,0.46,0.45,0.94);
  --transition-slow: all 0.65s cubic-bezier(0.25,0.46,0.45,0.94);
  --shadow-gold:  0 4px 30px rgba(201,169,110,0.18);
  --shadow-card:  0 8px 40px rgba(0,0,0,0.55);

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;

  --max-width: 1400px;
  --gutter: clamp(1.5rem, 5vw, 4rem);
}

/* ─── RESET & BASE ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background-color: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ─── TYPOGRAPHY ──────────────────────────────────────────── */
.t-display {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 6rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-white);
}
.t-display em { font-style: italic; color: var(--color-gold); }

.t-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.t-sub {
  font-family: var(--font-sans);
  font-size: clamp(0.7rem, 1.2vw, 0.75rem);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.t-body {
  font-family: var(--font-sans);
  font-size: clamp(0.875rem, 1.2vw, 1rem);
  font-weight: 300;
  line-height: 1.85;
  color: var(--color-white-muted);
}

.t-caption {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white-dim);
}

/* ─── LAYOUT HELPERS ──────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: clamp(5rem, 10vw, 10rem) 0; }
.section--dark { background: var(--color-dark); }
.section--card { background: var(--color-dark-card); }

.divider-gold {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--color-gold);
  margin: 1.5rem 0;
}
.divider-gold--center { margin: 1.5rem auto; }

/* ─── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2.4rem;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-black);
}
.btn--gold:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.4);
}
.btn--outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
  padding: 0.75rem 2rem;
}
.btn--ghost:hover {
  background: var(--color-gold);
  color: var(--color-black);
}

.btn-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  transition: var(--transition);
}
.btn-arrow::after {
  content: '→';
  transition: transform 0.3s ease;
}
.btn-arrow:hover { color: var(--color-gold-light); }
.btn-arrow:hover::after { transform: translateX(6px); }

/* ─── NAVIGATION ──────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0.4rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: background 0.5s ease,
              padding 0.4s ease,
              backdrop-filter 0.5s ease,
              box-shadow 0.5s ease;
}

/* ── Scrolled: elegant frosted-cream glass ── */
#navbar.scrolled {
  background: rgba(250, 247, 242, 0.88);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  padding: 0 var(--gutter);
  border-bottom: 1px solid rgba(201,169,110,0.25);
  box-shadow: 0 4px 32px rgba(0,0,0,0.08);
}

/* Nav link — white on dark hero, transitions to near-black when scrolled */
.nav-link {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white);
  padding: 0.6rem 0.3rem;
  white-space: nowrap;
  transition: color 0.4s ease;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.nav-link:hover { color: var(--color-gold); }
.nav-link:hover::after { transform: scaleX(1); }

/* When scrolled: dark text on light glass nav */
#navbar.scrolled .nav-link {
  color: #1c1a16;
}
#navbar.scrolled .nav-link:hover {
  color: var(--color-gold-dark);
}
#navbar.scrolled .nav-link::after {
  background: var(--color-gold-dark);
}

.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.nav-logo-main {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-white);
}
.nav-logo-sub {
  font-family: var(--font-sans);
  font-size: 0.55rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  flex-wrap: nowrap;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.nav-cart {
  position: relative;
  cursor: pointer;
  color: rgba(255,255,255,0.75);
  transition: color 0.4s ease;
  font-size: 1.1rem;
}
.nav-cart:hover { color: var(--color-gold); }
#navbar.scrolled .nav-cart { color: #4a4540; }
#navbar.scrolled .nav-cart:hover { color: var(--color-gold-dark); }

.cart-badge {
  position: absolute;
  top: -6px; right: -8px;
  background: var(--color-gold);
  color: var(--color-black);
  font-size: 0.6rem;
  font-weight: 700;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--color-white);
  transition: var(--transition);
}
#navbar.scrolled .hamburger span {
  background: #1c1a16;
}

/* ─── HERO (VIDEO) ────────────────────────────────────────── */
#hero {
  position: relative;
  width: 100%;
  height: 100dvh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  /* Fallback if video hasn't loaded or is blocked */
  background-image: url('../images/factory/factory-3.jpg');
  background-size: cover;
  background-position: center;
  background-color: #0a0804;
}

.hero-video-wrapper {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,0.1) 0%,
    rgba(0,0,0,0.3) 40%,
    rgba(0,0,0,0.75) 80%,
    rgba(0,0,0,0.92) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 var(--gutter) clamp(4rem, 8vw, 7rem);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 40px; height: 1px;
  background: var(--color-gold);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 3.2rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-white);
  max-width: 28ch;
  margin-bottom: 1.5rem;
}
.hero-title em {
  font-style: italic;
  color: var(--color-gold);
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-white-muted);
  max-width: 55ch;
  margin-bottom: 2.5rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat-num {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 300;
  color: var(--color-gold);
  line-height: 1;
}
.hero-stat-label {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white-dim);
  margin-top: 0.3rem;
}

/* Audio toggle button */
.audio-toggle {
  position: absolute;
  bottom: 2.5rem;
  right: var(--gutter);
  z-index: 3;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--color-white);
  padding: 0.6rem 1.2rem;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.audio-toggle:hover {
  background: rgba(201,169,110,0.15);
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-white-dim);
}
.scroll-indicator span {
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(180deg, var(--color-gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

/* ─── MARQUEE STRIP ───────────────────────────────────────── */
.marquee-strip {
  background: var(--color-gold);
  padding: 0.75rem 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  animation: marquee 30s linear infinite;
}
.marquee-item {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-black);
  padding: 0 2.5rem;
}
.marquee-dot {
  color: rgba(0,0,0,0.3);
  padding: 0 0.5rem;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── BRAND STATEMENT ─────────────────────────────────────── */
.brand-statement {
  padding: clamp(6rem, 12vw, 12rem) 0;
  text-align: center;
  position: relative;
}
.brand-statement::before {
  content: '"';
  position: absolute;
  top: 3rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-serif);
  font-size: 12rem;
  color: rgba(201,169,110,0.06);
  line-height: 1;
  pointer-events: none;
}
.brand-statement-text {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.5;
  color: var(--color-white);
  max-width: 38ch;
  margin: 0 auto;
}

/* ─── CATEGORIES GRID ─────────────────────────────────────── */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-dark-border);
}

.category-card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  cursor: pointer;
  background: var(--color-dark-card);
}
.category-card:first-child { grid-column: span 2; aspect-ratio: auto; }
.category-card:nth-child(4) { grid-column: span 2; aspect-ratio: auto; }

.category-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.25,0.46,0.45,0.94);
  filter: brightness(0.7) saturate(0.8);
}
.category-card:hover .category-img {
  transform: scale(1.07);
  filter: brightness(0.6) saturate(0.9);
}

.category-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2.5rem;
  transition: var(--transition);
}

.category-num {
  font-family: var(--font-serif);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}
.category-name {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 1.8vw, 1.7rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}
.category-count {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white-dim);
  opacity: 0;
  transform: translateY(8px);
  transition: var(--transition);
}
.category-card:hover .category-count {
  opacity: 1;
  transform: translateY(0);
}

/* ─── HERITAGE SECTION ────────────────────────────────────── */
.heritage-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 80vh;
}
.heritage-visual {
  position: relative;
  overflow: hidden;
}
.heritage-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.7) saturate(0.85);
}
.heritage-year-badge {
  position: absolute;
  bottom: 3rem; right: 3rem;
  background: var(--color-gold);
  color: var(--color-black);
  padding: 1.5rem;
  text-align: center;
}
.heritage-year-badge .year {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 300;
  line-height: 1;
}
.heritage-year-badge .since {
  font-family: var(--font-sans);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 0.3rem;
}

.heritage-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3rem, 6vw, 6rem) clamp(3rem, 5vw, 6rem);
  background: var(--color-dark);
}

.heritage-timeline {
  margin-top: 3rem;
  border-left: 1px solid var(--color-dark-border);
  padding-left: 2rem;
}
.timeline-item {
  margin-bottom: 2rem;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.37rem;
  top: 0.35rem;
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 1px solid var(--color-gold);
  background: var(--color-black);
}
.timeline-year {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}
.timeline-text {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-white-muted);
  line-height: 1.6;
}

/* ─── FEATURED PRODUCTS ───────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.products-grid--4 { grid-template-columns: repeat(4, 1fr); }

.product-card {
  background: var(--color-dark-card);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}
.product-card:hover {
  border-color: var(--color-dark-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.product-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #151515;
}
.product-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25,0.46,0.45,0.94);
  filter: brightness(0.85);
}
.product-card:hover .product-img-wrap img {
  transform: scale(1.05);
  filter: brightness(0.75);
}

.product-badge {
  position: absolute;
  top: 1rem; left: 1rem;
  background: var(--color-gold);
  color: var(--color-black);
  font-family: var(--font-sans);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
}

.product-quick-actions {
  position: absolute;
  top: 1rem; right: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition);
}
.product-card:hover .product-quick-actions {
  opacity: 1;
  transform: translateX(0);
}
.quick-action-btn {
  width: 36px; height: 36px;
  background: rgba(0,0,0,0.7);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
  backdrop-filter: blur(4px);
}
.quick-action-btn:hover {
  background: var(--color-gold);
  color: var(--color-black);
  border-color: var(--color-gold);
}

.product-info {
  padding: 1.5rem;
}
.product-category-tag {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}
.product-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-white);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}
.product-desc {
  font-size: 0.75rem;
  color: var(--color-white-dim);
  line-height: 1.6;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--color-dark-border);
}
.product-price {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-gold);
}
.product-price-usd {
  font-size: 0.65rem;
  color: var(--color-white-dim);
  font-family: var(--font-sans);
  margin-top: 0.1rem;
}

/* ─── CRAFTSMANSHIP / USP ─────────────────────────────────── */
.usp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--color-dark-border);
  margin-top: 5rem;
}
.usp-item {
  background: var(--color-dark-card);
  padding: 3rem 2rem;
  text-align: center;
  transition: var(--transition);
}
.usp-item:hover { background: var(--color-dark); }
.usp-icon {
  width: 48px; height: 48px;
  margin: 0 auto 1.5rem;
  color: var(--color-gold);
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.usp-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}
.usp-text {
  font-size: 0.75rem;
  color: var(--color-white-muted);
  line-height: 1.7;
}

/* ─── VIDEO STRIP (Other Videos) ──────────────────────────── */
.video-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-dark-border);
}
.video-tile {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  cursor: pointer;
}
.video-tile video {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.6) saturate(0.7);
  transition: var(--transition-slow);
}
.video-tile:hover video {
  filter: brightness(0.45) saturate(0.9);
}
.video-tile-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
}
.play-btn {
  width: 50px; height: 50px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.5);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 1.1rem;
  margin-bottom: auto;
  margin-top: auto;
  align-self: center;
  transition: var(--transition);
  padding-left: 4px;
}
.video-tile:hover .play-btn {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: scale(1.1);
}
/* YouTube iframe tiles – oversized + centred to avoid letterboxing */
.video-tile .yt-tile {
  position: absolute;
  top: 50%; left: 50%;
  width: 120%;
  height: 120%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  border: 0;
  filter: brightness(0.6) saturate(0.7);
  transition: var(--transition-slow);
}
.video-tile:hover .yt-tile {
  filter: brightness(0.45) saturate(0.9);
}

/* ─── TESTIMONIALS ────────────────────────────────────────── */
.testimonials-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.testimonial-card {
  background: var(--color-dark-card);
  padding: 2.5rem;
  border-left: 2px solid var(--color-gold);
  transition: var(--transition);
}
.testimonial-card:hover {
  background: var(--color-dark);
  box-shadow: var(--shadow-card);
}
.testimonial-stars {
  color: var(--color-gold);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  margin-bottom: 1.25rem;
}
.testimonial-text {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.7;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}
.testimonial-author {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.testimonial-location {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  color: var(--color-white-dim);
  margin-top: 0.25rem;
}

/* ─── CERTIFICATIONS ──────────────────────────────────────── */
.cert-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  padding: 3rem 0;
  border-top: 1px solid var(--color-dark-border);
  border-bottom: 1px solid var(--color-dark-border);
}
.cert-item {
  text-align: center;
  opacity: 0.55;
  transition: opacity 0.3s;
}
.cert-item:hover { opacity: 1; }
.cert-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-gold);
  margin-bottom: 0.3rem;
}
.cert-text {
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-white-dim);
}

/* ─── CUSTOM ORDER CTA ────────────────────────────────────── */
.custom-cta {
  position: relative;
  padding: clamp(6rem, 12vw, 12rem) 0;
  text-align: center;
  overflow: hidden;
}
.custom-cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.custom-cta-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.25) saturate(0.5);
}
.custom-cta-content {
  position: relative;
  z-index: 1;
}

/* ─── FOOTER ──────────────────────────────────────────────── */
footer {
  background: var(--color-dark);
  border-top: 1px solid var(--color-dark-border);
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  padding: 5rem var(--gutter) 3rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-brand p {
  font-size: 0.8rem;
  color: var(--color-white-muted);
  line-height: 1.8;
  margin-top: 1.25rem;
  max-width: 32ch;
}

.footer-socials {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}
.social-btn {
  width: 36px; height: 36px;
  border: 1px solid var(--color-dark-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  color: var(--color-white-muted);
  transition: var(--transition);
}
.social-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}
.footer-col ul li {
  margin-bottom: 0.6rem;
}
.footer-col ul a {
  font-size: 0.78rem;
  color: var(--color-white-muted);
  transition: color 0.3s;
}
.footer-col ul a:hover { color: var(--color-white); }

/* ─── PAYMENT TRUST STRIP ─────────────────────────────────── */
.payment-trust-strip {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem var(--gutter);
  border-top: 1px solid var(--color-dark-border);
}
.payment-trust-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}
.payment-trust-label {
  font-family: var(--font-sans);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-white-dim);
}
.payment-logos {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.payment-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  padding: 0.3rem 0.8rem;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-white-muted);
  background: rgba(255,255,255,0.04);
  transition: var(--transition);
  white-space: nowrap;
}
.payment-logo:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(201,169,110,0.06);
}
.payment-logo.visa       { color: #1a1f71; background: #fff; border-color: #fff; }
.payment-logo.mastercard { background: #fff; border-color: #fff; }
.payment-logo.omise      { color: #4c78ed; background: #fff; border-color: #fff; }
.payment-logo.kpay       { color: #00b0ff; background: #fff; border-color: #fff; }
.payment-logo.ksher      { color: #01b35a; background: #fff; border-color: #fff; }
.payment-logo.p2c2p      { color: #003087; background: #fff; border-color: #fff; }
.payment-logo.swift      { background: rgba(255,255,255,0.08); color: var(--color-white); }

.trust-badges {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.62rem;
  color: var(--color-white-muted);
}
.trust-badge-icon { color: var(--color-gold); font-size: 0.85rem; }

/* ─── FOOTER BOTTOM ───────────────────────────────────────── */
.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem var(--gutter);
  border-top: 1px solid var(--color-dark-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p {
  font-size: 0.65rem;
  color: var(--color-white-dim);
}
.footer-policy-links {
  display: flex;
  gap: 1.5rem;
}
.footer-policy-links a {
  font-size: 0.62rem;
  color: var(--color-white-dim);
  transition: color 0.3s;
}
.footer-policy-links a:hover { color: var(--color-gold); }

/* ─── SECTION HEADERS ─────────────────────────────────────── */
.section-header {
  max-width: 52ch;
}
.section-header--center {
  text-align: center;
  margin: 0 auto;
}
.section-header h2 { margin-top: 0.75rem; }
.section-header p {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--color-white-muted);
  line-height: 1.8;
}

/* ─── ANIMATIONS ──────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in--delay-1 { transition-delay: 0.1s; }
.fade-in--delay-2 { transition-delay: 0.2s; }
.fade-in--delay-3 { transition-delay: 0.3s; }
.fade-in--delay-4 { transition-delay: 0.4s; }

/* ─── CART SIDEBAR ────────────────────────────────────────── */
.cart-sidebar {
  position: fixed;
  top: 0; right: 0;
  width: min(460px, 100vw);
  height: 100vh;
  background: var(--color-dark);
  border-left: 1px solid var(--color-dark-border);
  z-index: 2000;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
  overflow-y: auto;
  padding: 2rem;
}
.cart-sidebar.open { transform: translateX(0); }
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.cart-overlay.open { opacity: 1; pointer-events: all; }

/* ─── BREADCRUMB ──────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.65rem;
  color: var(--color-white-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.breadcrumb a { transition: color 0.3s; }
.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb-sep { color: var(--color-gold); }

/* ─── FORMS ───────────────────────────────────────────────── */
.form-group { margin-bottom: 1.5rem; }
.form-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-white-dim);
  margin-bottom: 0.5rem;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--color-dark-card);
  border: 1px solid var(--color-dark-border);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: 0.875rem 1.125rem;
  outline: none;
  transition: border-color 0.3s ease;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-gold);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { appearance: none; }

/* ─── CHECKOUT ────────────────────────────────────────────── */
.checkout-policy-box {
  background: rgba(201,169,110,0.06);
  border: 1px solid rgba(201,169,110,0.25);
  padding: 1.5rem;
  margin: 2rem 0;
}
.checkout-policy-box h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}
.checkout-policy-box p {
  font-size: 0.78rem;
  color: var(--color-white-muted);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}
.policy-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 1rem;
}
.policy-checkbox-group input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 2px;
}
.policy-checkbox-group label {
  font-size: 0.75rem;
  color: var(--color-white-muted);
  line-height: 1.6;
}
.policy-checkbox-group a {
  color: var(--color-gold);
  text-decoration: underline;
}

/* ─── POLICY PAGES ────────────────────────────────────────── */
.policy-page { max-width: 820px; margin: 0 auto; padding: 8rem var(--gutter) 6rem; }
.policy-page h1 { margin-bottom: 0.5rem; }
.policy-page .last-updated {
  font-size: 0.7rem; color: var(--color-white-dim);
  margin-bottom: 3rem; padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-dark-border);
}
.policy-page h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-gold);
  margin: 2.5rem 0 1rem;
}
.policy-page h3 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin: 1.5rem 0 0.75rem;
}
.policy-page p, .policy-page li {
  font-size: 0.875rem;
  color: var(--color-white-muted);
  line-height: 1.85;
  margin-bottom: 0.75rem;
}
.policy-page ul { padding-left: 1.5rem; }
.policy-page ul li { list-style: disc; }
.policy-page table {
  width: 100%; border-collapse: collapse; margin: 1.5rem 0;
}
.policy-page th, .policy-page td {
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  border: 1px solid var(--color-dark-border);
  text-align: left;
}
.policy-page th { background: var(--color-dark-card); color: var(--color-gold); font-weight: 500; }
.policy-page td { color: var(--color-white-muted); }

/* ─── LOADING SCREEN ──────────────────────────────────────── */
#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--color-black);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  /* CSS-only auto-hide: fade out หลัง 2.5s ไม่พึ่ง JS */
  animation: loaderFadeOut 0.8s ease 2.5s forwards;
  pointer-events: auto;
}
@keyframes loaderFadeOut {
  0%   { opacity: 1; visibility: visible; pointer-events: auto; }
  100% { opacity: 0; visibility: hidden;  pointer-events: none; }
}
#loading-screen.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  animation: none;
}
.loader-logo {
  width: 180px;
  height: auto;
  margin-bottom: 2rem;
  display: block;
  /* slight glow on the gold logo */
  filter: drop-shadow(0 0 18px rgba(201,169,110,0.45));
  animation: logoPulse 2s ease-in-out infinite alternate;
}
@keyframes logoPulse {
  from { filter: drop-shadow(0 0 10px rgba(201,169,110,0.3)); }
  to   { filter: drop-shadow(0 0 28px rgba(201,169,110,0.7)); }
}
.loader-bar-wrap {
  width: 200px; height: 1px;
  background: var(--color-dark-border);
  overflow: hidden;
}
.loader-bar {
  height: 100%;
  background: var(--color-gold);
  animation: loadBar 1.8s ease-in-out forwards;
}
@keyframes loadBar {
  from { width: 0%; }
  to { width: 100%; }
}

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1200px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .category-card:first-child, .category-card:nth-child(4) { grid-column: span 1; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .usp-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .heritage-section { grid-template-columns: 1fr; }
  .heritage-visual { min-height: 50vh; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-track { grid-template-columns: 1fr; }
  .video-strip { grid-template-columns: 1fr; }
  .payment-trust-inner { flex-direction: column; align-items: flex-start; }
}

/* ── Intermediate: laptops & small desktops (≤1100px) ─────
   ลด gap / font / logo ของ navbar ก่อนถึงโหมดมือถือ
   เพื่อให้เมนูไทยตัวยาวพอดี ไม่ตัดบรรทัด */
@media (max-width: 1100px) {
  .nav-menu     { gap: 1.1rem; }
  .nav-link     { font-size: 0.74rem; padding: 0.5rem 0.2rem; letter-spacing: 0.04em; }
  .nav-actions  { gap: 0.75rem; }
  .nav-logo-img { height: 80px; }
  .nav-actions .btn--ghost { padding: 0.45rem 1rem !important; font-size: 0.55rem !important; }
  #langToggleBtn { font-size: 0.66rem !important; padding: 0.22rem 0.7rem !important; }
}

/* ── Tablet / Mobile: 768px ─────────────────────────────── */
@media (max-width: 768px) {

  /* ── Navbar ── */
  .nav-menu { display: none; }
  .hamburger { display: flex; }
  #navbar { padding: 0 1.25rem; }

  /* ── Logo — ห้ามบีบ ── */
  .nav-logo { flex-shrink: 0; }
  .nav-logo-img { height: 72px; flex-shrink: 0; }

  /* ── Nav actions — ลด gap + ซ่อนปุ่ม enquire ── */
  .nav-actions { gap: 0.65rem; }
  .nav-actions .btn--ghost { display: none; }

  /* ── Language toggle — กำหนดความกว้างคงที่ไม่ให้กระเด้ง ── */
  #langToggleBtn { min-width: 72px; justify-content: center; font-size: 0.68rem; padding: 0.25rem 0.6rem; }

  /* ── Mobile fullscreen menu (when .open is added by JS) ── */
  .nav-menu.open {
    display: flex !important;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 9, 8, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: 998;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    list-style: none;
    padding: 0;
    animation: menuFadeIn 0.3s ease;
  }
  @keyframes menuFadeIn {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .nav-menu.open li { margin: 0; }
  .nav-menu.open .nav-link {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--color-white);
    padding: 0.5rem 1rem;
    transition: color 0.3s;
  }
  .nav-menu.open .nav-link:hover { color: var(--color-gold); }

  /* ── Hamburger → X animation ── */
  .hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
  #navbar.scrolled .hamburger.active span { background: #1c1a16; }

  /* ── Section spacing ── */
  .section { padding: clamp(3rem, 8vw, 6rem) 0; }

  /* ── Hero ── */
  .hero-stats { gap: 2rem; flex-wrap: wrap; }
  .hero-subtitle {
    font-size: 0.78rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* ── Footer ── */
  .footer-main { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; }

  /* ── Collections ── */
  .categories-grid { grid-template-columns: 1fr; }
}

/* ── Small Mobile: 480px ────────────────────────────────── */
@media (max-width: 480px) {
  /* ── Logo ── */
  .nav-logo { flex-shrink: 0; }
  .nav-logo-img { height: 56px; flex-shrink: 0; }
  .nav-actions { gap: 0.5rem; }
  #langToggleBtn { min-width: 64px; font-size: 0.62rem; padding: 0.22rem 0.5rem; }

  /* ── Grids ── */
  .products-grid { grid-template-columns: 1fr; }
  .usp-grid { grid-template-columns: 1fr; }

  /* ── Buttons ── */
  .hero-cta-group { flex-direction: column; width: 100%; }
  .btn { width: 100%; justify-content: center; }

  /* ── About page grid → single col ── */
  [style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; gap: 2.5rem !important; }
}

/* ─── SCROLLBAR ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--color-black); }
::-webkit-scrollbar-thumb { background: var(--color-gold-dark); }
::-webkit-scrollbar-thumb:hover { background: var(--color-gold); }

/* ─── SELECTION ───────────────────────────────────────────── */
::selection {
  background: rgba(201,169,110,0.3);
  color: var(--color-white);
}

/* ═══════════════════════════════════════════════════════════
   BILINGUAL LANGUAGE SYSTEM — Thai / Chinese
═══════════════════════════════════════════════════════════ */

/* Chinese font stack */
body.lang-zh,
body.lang-zh h1, body.lang-zh h2, body.lang-zh h3,
body.lang-zh h4, body.lang-zh h5, body.lang-zh h6 {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body.lang-zh .nav-logo-main {
  font-family: 'Noto Sans SC', 'PingFang SC', sans-serif;
  letter-spacing: 0.02em;
}

/* Language toggle button hover */
#langToggleBtn:hover {
  background: rgba(201,169,110,0.12) !important;
  border-color: var(--color-gold) !important;
}

/* Nav logo image sizing */
.nav-logo-img {
  height: 100px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 8px rgba(201,169,110,0.15));
  transition: filter 0.3s ease;
}
.nav-logo:hover .nav-logo-img {
  filter: drop-shadow(0 0 14px rgba(201,169,110,0.4));
}

/* Factory gallery responsive */
@media (max-width: 768px) {
  .factory-gallery-grid {
    grid-template-columns: 1fr 1fr !important;
  }
  .factory-gallery-grid .factory-gallery-item {
    grid-column: span 1 !important;
    grid-row: auto !important;
  }
}
@media (max-width: 480px) {
  .factory-gallery-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Loading screen logo — now an <img>, sized via the first .loader-logo block above */

/* ─── Trilingual language switching (Thai / Chinese / English) ─── */
.i18n-zh { display: none; }
.i18n-en { display: none; }

/* Thai */
body.lang-th .i18n-th { display: inline; }
body.lang-th .i18n-zh { display: none; }
body.lang-th .i18n-en { display: none; }

/* Chinese */
body.lang-zh .i18n-th { display: none; }
body.lang-zh .i18n-zh { display: inline; }
body.lang-zh .i18n-en { display: none; }

/* English */
body.lang-en .i18n-th { display: none; }
body.lang-en .i18n-zh { display: none; }
body.lang-en .i18n-en { display: inline; }

/* Block variants */
body.lang-th .i18n-block-th { display: block; }
body.lang-th .i18n-block-zh { display: none; }
body.lang-th .i18n-block-en { display: none; }
body.lang-zh .i18n-b