/* ==========================================================================
   IRIS CONSULTING - STYLE SHEET (THE "COS" FRAMEWORK)
   Highly structured, editorial minimalist aesthetic with extreme whitespace,
   monochromatic palettes, crisp 1px lines, and precise typography.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & Core Settings
   -------------------------------------------------------------------------- */
:root {
  /* Premium Monochromatic Color Palette */
  --bg-primary: #FFFFFF;
  --bg-secondary: #FAF9F6;  /* Luxurious warm off-white, editorial feel */
  --bg-tertiary: #F4F4F4;   /* Technical soft gray */
  --text-primary: #000000;
  --text-secondary: #707070;
  --text-muted: #A0A0A0;
  
  --border-color: #E2E2E2;   /* Crisp, thin 1px lines */
  --border-color-dark: #111111;
  
  /* Typography Families */
  --font-architectural: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-thai: 'IBM Plex Sans Thai', var(--font-architectural);
  
  /* Precision Editorial Timings */
  --transition-editorial: cubic-bezier(0.16, 1, 0.3, 1); /* Ultra premium, fast start smooth deceleration */
  --transition-speed: 0.6s;
  
  /* Structural Spacing */
  --grid-line-color: rgba(226, 226, 226, 0.4);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-architectural);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   2. Typography System
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-architectural);
  font-weight: 400;
  letter-spacing: 0.12em;
  line-height: 1.2;
}

.uppercase {
  text-transform: uppercase;
}

.tracking-wide {
  letter-spacing: 0.18em !important;
}

.font-bold {
  font-weight: 500;
}

.text-muted {
  color: var(--text-muted);
}

.text-black {
  color: var(--text-primary);
  font-weight: 400;
}

/* --------------------------------------------------------------------------
   3. Custom Layout Elements & Structural Grids
   -------------------------------------------------------------------------- */
/* Thin grid line background overlay on sections */
.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.grid-line {
  background-color: var(--border-color);
  opacity: 0.5;
  position: absolute;
}

.grid-line.horizontal {
  width: 100%;
  height: 1px;
  top: 50%;
  left: 0;
}

.grid-line.vertical {
  width: 1px;
  height: 100%;
  left: 30%;
  top: 0;
}

/* --------------------------------------------------------------------------
   4. Loading Experience
   -------------------------------------------------------------------------- */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity 0.8s var(--transition-editorial), visibility 0.8s;
}

.loader-line {
  width: 60px;
  height: 1px;
  background-color: var(--text-primary);
  margin-bottom: 24px;
  transform: scaleX(0);
  transform-origin: left;
  animation: loadProgress 2s var(--transition-editorial) forwards;
}

.loader-text {
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-weight: 400;
  opacity: 0;
  animation: loadTextFade 1.2s 0.3s var(--transition-editorial) forwards;
}

@keyframes loadProgress {
  to { transform: scaleX(1); }
}

@keyframes loadTextFade {
  to { opacity: 1; letter-spacing: 0.3em; }
}

/* --------------------------------------------------------------------------
   5. Header & Global Navigation
   -------------------------------------------------------------------------- */
.global-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 900;
  background-color: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 4rem;
  max-width: 1600px;
  margin: 0 auto;
}

.logo {
  text-decoration: none;
  color: var(--text-primary);
  font-size: 1.1rem;
  letter-spacing: 0.25em;
  font-weight: 300;
  display: flex;
  align-items: center;
  transition: letter-spacing 0.4s var(--transition-editorial);
}

.logo:hover {
  letter-spacing: 0.28em;
}

.logo-bold {
  font-weight: 500;
}

.logo-light {
  font-weight: 200;
  color: var(--text-secondary);
  margin-left: 0.25rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 3rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.3s var(--transition-editorial);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--text-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--transition-editorial);
}

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

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.btn-connect {
  text-decoration: none;
  font-size: 0.75rem;
  color: var(--text-primary);
  border: 1px solid var(--text-primary);
  padding: 0.5rem 1.5rem;
  letter-spacing: 0.2em;
  font-weight: 400;
  background-color: transparent;
  transition: background-color 0.4s var(--transition-editorial), color 0.4s var(--transition-editorial);
}

.btn-connect:hover {
  background-color: var(--text-primary);
  color: var(--bg-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 24px;
  height: 14px;
  position: relative;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--text-primary);
  position: absolute;
  left: 0;
  transition: transform 0.3s var(--transition-editorial), top 0.3s var(--transition-editorial);
}

.mobile-menu-btn span:first-child {
  top: 0;
}

.mobile-menu-btn span:last-child {
  top: 12px;
}

.mobile-menu-btn.active span:first-child {
  transform: rotate(45deg);
  top: 6px;
}

.mobile-menu-btn.active span:last-child {
  transform: rotate(-45deg);
  top: 6px;
}

/* --------------------------------------------------------------------------
   6. Mobile Fullscreen Menu Overlay
   -------------------------------------------------------------------------- */
.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  z-index: 850;
  display: flex;
  align-items: center;
  padding: 0 4rem;
  transform: translateY(-100%);
  transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-overlay.active {
  transform: translateY(0);
}

.mobile-nav ul {
  list-style: none;
}

.mobile-nav li {
  margin-bottom: 2.5rem;
}

.mobile-link {
  text-decoration: none;
  font-size: 2.5rem;
  font-weight: 200;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: inline-block;
  transition: letter-spacing 0.5s var(--transition-editorial), padding-left 0.5s var(--transition-editorial);
}

.mobile-link:hover {
  letter-spacing: 0.15em;
  padding-left: 1.5rem;
}

/* --------------------------------------------------------------------------
   7. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 4rem 4rem 4rem;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.hero-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.video-element {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18; /* Extremely subtle architectural shadows */
  filter: grayscale(100%);
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.98) 100%);
}

.hero-container {
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 4fr;
  align-items: flex-start;
  position: relative;
  z-index: 10;
}

.hero-left-label {
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  width: fit-content;
  margin-top: 1.5rem;
}

.hero-main-content {
  display: flex;
  flex-direction: column;
  padding-left: 2rem;
}

.hero-headline {
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 200;
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}

.text-stroke {
  color: transparent;
  -webkit-text-stroke: 1px var(--text-primary);
}

.hero-thai-headline {
  font-family: var(--font-thai);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 300;
  color: var(--text-secondary);
  margin-bottom: 4rem;
  letter-spacing: 0.05em;
}

.hero-divider {
  width: 120px;
  height: 1px;
  background-color: var(--text-primary);
  margin-bottom: 3.5rem;
}

.hero-sub-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1100px;
}

.hero-sub-headline {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.hero-sub-thai {
  font-family: var(--font-thai);
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-secondary);
  font-weight: 300;
}

.hero-scroll-indicator {
  grid-column: 2;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 6rem;
  padding-left: 2rem;
}

.scroll-text {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--text-muted);
}

.scroll-line {
  width: 80px;
  height: 1px;
  background-color: var(--border-color);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--text-primary);
  transform: scaleX(0);
  transform-origin: left;
  animation: lineSweep 2s infinite var(--transition-editorial);
}

@keyframes lineSweep {
  0% { transform: scaleX(0); transform-origin: left; }
  50% { transform: scaleX(1); transform-origin: left; }
  50.1% { transform: scaleX(1); transform-origin: right; }
  100% { transform: scaleX(0); transform-origin: right; }
}

/* --------------------------------------------------------------------------
   8. Portfolio Catalogue Section (Products Accordions)
   -------------------------------------------------------------------------- */
.products-section {
  position: relative;
  background-color: var(--bg-primary);
}

.section-header-sticky {
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  z-index: 100;
}

.section-header-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 4rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.products-grid-container {
  max-width: 1600px;
  margin: 0 auto;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}

/* Individual Product Row */
.product-item {
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.4s var(--transition-editorial);
}

.product-header-row {
  display: grid;
  grid-template-columns: 0.5fr 3fr 1.5fr 0.5fr;
  align-items: center;
  padding: 3.5rem 4rem;
  cursor: pointer;
  position: relative;
}

.product-item:hover .product-header-row {
  background-color: var(--bg-secondary);
}

.product-number {
  font-size: 1.5rem;
  font-weight: 200;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  transition: color 0.4s var(--transition-editorial);
}

.product-item:hover .product-number {
  color: var(--text-primary);
}

.product-title {
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
  transition: transform 0.4s var(--transition-editorial);
}

.product-item:hover .product-title {
  transform: translateX(10px);
}

.product-subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--text-secondary);
  font-weight: 400;
}

.product-stats {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-left: 2rem;
}

.stat-pill {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.stat-num {
  font-weight: 500;
  color: var(--text-primary);
  margin-right: 0.2rem;
}

.product-arrow {
  display: flex;
  justify-content: flex-end;
  color: var(--text-muted);
  transition: transform 0.6s var(--transition-editorial), color 0.4s var(--transition-editorial);
}

.arrow-svg {
  width: 24px;
  height: 24px;
}

.product-item:hover .product-arrow {
  color: var(--text-primary);
}

/* Expanded Accordion Area */
.product-expand-content {
  display: grid;
  grid-template-rows: 0fr; /* Butt-smooth pure-CSS animation */
  overflow: hidden;
  transition: grid-template-rows var(--transition-speed) var(--transition-editorial);
}

.product-item.active .product-expand-content {
  grid-template-rows: 1fr;
}

.product-item.active .product-arrow {
  transform: rotate(45deg);
  color: var(--text-primary);
}

.product-inner-wrap {
  min-height: 0;
  background-color: var(--bg-secondary);
}

/* Accordion Description Section */
.product-desc-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  padding: 2.5rem 4rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.desc-left {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.val-prop-en {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-primary);
  font-weight: 300;
  border-left: 2px solid var(--text-primary);
  padding-left: 1.5rem;
}

.val-prop-th {
  font-family: var(--font-thai);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-secondary);
  padding-left: 1.6rem;
}

.details-summary-card {
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  padding: 1.5rem 2rem;
}

.card-title {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
}

.metrics-row {
  display: flex;
  justify-content: space-between;
}

.metric-box {
  display: flex;
  flex-direction: column;
}

.metric-num {
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--text-primary);
}

.metric-label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Accordion Index Table System */
.table-container {
  padding: 0 4rem 4rem 4rem;
  background-color: var(--bg-secondary);
}

.taxonomy-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.taxonomy-table th {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 1.25rem 0.5rem;
  border-bottom: 1px solid var(--border-color-dark);
}

.taxonomy-table td {
  padding: 1.5rem 0.5rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.taxonomy-table tr:hover td {
  background-color: var(--bg-tertiary);
}

.col-module { width: 45%; }
.col-stat { width: 18%; text-align: center; }

.taxonomy-table th.col-stat {
  text-align: center;
}

.module-title {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  letter-spacing: 0.05em;
}

.module-thai {
  font-family: var(--font-thai);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.num-cell {
  text-align: center;
  font-size: 0.95rem;
  color: var(--text-primary);
  font-family: var(--font-architectural);
}

.total-cell {
  text-align: center;
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   9. System Architecture Lookbook Section
   -------------------------------------------------------------------------- */
.lookbook-section {
  padding: 8rem 4rem;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.lookbook-header {
  max-width: 1600px;
  margin: 0 auto 5rem auto;
}

.lookbook-title {
  font-size: 2.2rem;
  font-weight: 200;
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
  margin-top: 0.5rem;
}

.lookbook-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 700px;
  line-height: 1.7;
}

.lookbook-gallery {
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.lookbook-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: transform 0.5s var(--transition-editorial), border-color 0.5s var(--transition-editorial);
}

.lookbook-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-color-dark);
}

.card-img-wrapper {
  aspect-ratio: 4/3;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--bg-secondary); /* Soft neutral backdrop for blueprints */
  border-bottom: 1px solid var(--border-color);
  padding: 2.5rem; /* Padded frame to showcase precise blueprint schematics */
  overflow: hidden;
  transition: background-color 0.8s var(--transition-editorial);
}

.lookbook-canvas {
  width: 100%;
  height: 100%;
  color: var(--text-primary);
  transition: transform 0.6s var(--transition-editorial);
}

.lookbook-card:hover .lookbook-canvas {
  transform: scale(1.03); /* Soft tactile swell */
}

.card-footer-info {
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  background-color: var(--bg-primary);
  transition: background-color 0.8s var(--transition-editorial);
}

.card-index {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.card-caption {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.card-desc-en {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  font-weight: 400;
}

.card-desc-th {
  font-family: var(--font-thai);
  font-size: 0.72rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.card-tag {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
  margin-top: auto;
  display: block;
}

/* --------------------------------------------------------------------------
   10. Insights Section
   -------------------------------------------------------------------------- */
.insights-section {
  position: relative;
  padding: 8rem 4rem;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.insights-container {
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 6rem;
}

.insights-title {
  font-size: 2.2rem;
  font-weight: 200;
  letter-spacing: 0.25em;
  margin-top: 0.5rem;
  margin-bottom: 2rem;
}

.insights-desc-th {
  font-family: var(--font-thai);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 450px;
}

.insights-list {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.insight-item {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 3rem;
}

.insight-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.insight-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.insight-tag {
  color: var(--text-primary);
  font-weight: 400;
}

.insight-headline {
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.4;
  margin-bottom: 1.25rem;
}

.insight-headline a {
  text-decoration: none;
  color: var(--text-primary);
  transition: opacity 0.3s var(--transition-editorial);
}

.insight-headline a:hover {
  opacity: 0.6;
}

.insight-summary-th {
  font-family: var(--font-thai);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-weight: 300;
}

/* --------------------------------------------------------------------------
   11. Institutional Connect (Checkout Style Form)
   -------------------------------------------------------------------------- */
.connect-section {
  padding: 8rem 4rem;
  background-color: var(--bg-primary);
}

.connect-container {
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 6rem;
}

.connect-title {
  font-size: 2.5rem;
  font-weight: 200;
  letter-spacing: 0.2em;
  margin-top: 0.5rem;
  margin-bottom: 2rem;
  line-height: 1.1;
}

.connect-subtitle-th {
  font-family: var(--font-thai);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 450px;
  margin-bottom: 5rem;
}

.institutional-office {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.office-label {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 1rem;
}

.office-address {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.office-email {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 400;
  border-bottom: 1px solid var(--text-primary);
  padding-bottom: 2px;
}

/* The Premium Editorial Checkout Form */
.connect-form {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  transition: opacity 0.5s var(--transition-editorial);
}

.form-row {
  display: flex;
  gap: 2rem;
}

.form-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-label {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-input {
  background-color: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0.25rem;
  font-family: var(--font-architectural);
  font-size: 0.95rem;
  color: var(--text-primary);
  border-radius: 0;
  transition: border-bottom-color 0.4s var(--transition-editorial), background-color 0.4s;
}

.form-input:focus {
  outline: none;
  border-bottom-color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.custom-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23707070'%3E%3Cpath d='m3 5 3 3 3-3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}

.btn-submit {
  align-self: flex-start;
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
  padding: 1.25rem 3rem;
  font-family: var(--font-architectural);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: background-color 0.4s var(--transition-editorial), color 0.4s var(--transition-editorial), transform 0.3s;
}

.btn-submit:hover {
  background-color: transparent;
  color: var(--text-primary);
}

.btn-arrow {
  font-size: 1.2rem;
  transition: transform 0.4s var(--transition-editorial);
}

.btn-submit:hover .btn-arrow {
  transform: translateX(6px);
}

/* Success State */
.form-success-message {
  display: none;
  border: 1px solid var(--border-color-dark);
  padding: 3rem;
  background-color: var(--bg-secondary);
  animation: fadeInSuccess 0.8s var(--transition-editorial) forwards;
}

.form-success-message h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  letter-spacing: 0.25em;
}

.form-success-message p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

@keyframes fadeInSuccess {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   12. Premium Editorial Footer
   -------------------------------------------------------------------------- */
.global-footer {
  background-color: var(--bg-primary);
  padding: 0 4rem 4rem 4rem;
}

.footer-top-border {
  width: 100%;
  height: 1px;
  background-color: var(--border-color);
  margin-bottom: 3.5rem;
}

.footer-container {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo {
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  font-weight: 500;
  color: var(--text-primary);
}

.footer-copyright {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.footer-meta-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
}

.footer-metric {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.footer-link {
  text-decoration: none;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: uppercase;
  transition: color 0.3s;
}

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

/* --------------------------------------------------------------------------
   13. Premium Animations and Scroll Reveal Systems
   -------------------------------------------------------------------------- */
/* Scroll Reveal Classes */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s var(--transition-editorial), transform 1s var(--transition-editorial);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-delay-1 {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s 0.2s var(--transition-editorial), transform 1s 0.2s var(--transition-editorial);
}

.scroll-reveal-delay-1.revealed {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-delay-2 {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s 0.4s var(--transition-editorial), transform 1s 0.4s var(--transition-editorial);
}

.scroll-reveal-delay-2.revealed {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-delay-3 {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s 0.6s var(--transition-editorial), transform 1s 0.6s var(--transition-editorial);
}

.scroll-reveal-delay-3.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Visual element reveals on scroll */
.scroll-reveal-view {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--transition-editorial), transform 0.8s var(--transition-editorial);
}

.scroll-reveal-view.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   14. Complete Responsive System
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .hero-container {
    grid-template-columns: 1fr;
  }
  
  .hero-left-label {
    margin-bottom: 2rem;
  }
  
  .hero-main-content {
    padding-left: 0;
  }
  
  .hero-scroll-indicator {
    grid-column: 1;
    padding-left: 0;
  }
  
  .product-header-row {
    grid-template-columns: 0.5fr 3fr 1.5fr;
  }
  
  .product-arrow {
    grid-column: 3;
    grid-row: 1;
  }
  
  .product-stats {
    grid-column: 2;
    padding-left: 0;
    margin-top: 1rem;
    flex-direction: row;
    gap: 2rem;
  }
  
  .lookbook-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .header-container {
    padding: 1.5rem 2rem;
  }
  
  .nav-links, .btn-connect {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero-section {
    padding: 8rem 2rem 4rem 2rem;
  }
  
  .hero-sub-section {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .section-header-container {
    padding: 4rem 2rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .product-header-row {
    padding: 2.5rem 2rem;
  }
  
  .product-desc-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2.5rem 2rem;
  }
  
  .table-container {
    padding: 0 2rem 2rem 2rem;
  }
  
  .lookbook-section {
    padding: 6rem 2rem;
  }
  
  .lookbook-gallery {
    grid-template-columns: 1fr;
  }
  
  .insights-section {
    padding: 6rem 2rem;
  }
  
  .insights-container {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .connect-section {
    padding: 6rem 2rem;
  }
  
  .connect-container {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .connect-subtitle-th {
    margin-bottom: 3rem;
  }
  
  .global-footer {
    padding: 0 2rem 2rem 2rem;
  }
  
  .footer-container {
    flex-direction: column;
    gap: 3rem;
  }
  
  .footer-meta-links {
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .product-header-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .product-number {
    font-size: 1.2rem;
  }
  
  .product-stats {
    grid-column: 1;
    flex-direction: column;
    gap: 0.25rem;
  }
  
  .product-arrow {
    grid-column: 1;
    grid-row: 1;
  }
  
  .form-row {
    flex-direction: column;
    gap: 2.5rem;
  }
  
  .taxonomy-table th.col-stat,
  .taxonomy-table td.num-cell {
    display: none; /* Hide numerical breakout columns on very small mobile for pure clean aesthetics, keeping only totals */
  }
  
  .col-module {
    width: 70%;
  }
}

/* ==========================================================================
   DESIGN DIRECTIONS (VARIANTS) DEFINITIONS
   ========================================================================== */

/* Style transition fade for body shifts */
body {
  transition: background-color 0.8s var(--transition-editorial), color 0.8s var(--transition-editorial);
}

/* Floating Design Variant Selector Bar */
.variant-selector-bar {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 40px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: background-color 0.8s var(--transition-editorial), border-color 0.8s var(--transition-editorial), box-shadow 0.8s;
}

.selector-container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.selector-label {
  font-size: 0.55rem;
  letter-spacing: 0.25em;
  color: var(--text-secondary);
  font-family: var(--font-architectural);
  font-weight: 500;
  white-space: nowrap;
}

.selector-buttons {
  display: flex;
  gap: 0.5rem;
}

.variant-btn {
  background: none;
  border: none;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0.5rem 1.2rem;
  border-radius: 20px;
  color: var(--text-secondary);
  font-family: var(--font-architectural);
  transition: all 0.4s var(--transition-editorial);
}

.variant-btn:hover {
  color: var(--text-primary);
}

.variant-btn.active {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   STRUCTURAL SHIFT VISIBILITY RULES
   -------------------------------------------------------------------------- */
.editorial-layout-wrap,
.presentation-layout-wrap,
.uniqlo-layout-wrap,
.fashion-layout-wrap,
.cos-layout-wrap {
  display: none;
}

/* Toggle displays based on active class */
body.v-lookbook .editorial-layout-wrap {
  display: block;
}

body.v-dark .presentation-layout-wrap {
  display: block;
}

body.v-uniqlo .uniqlo-layout-wrap {
  display: block;
}

body.v-fashion .fashion-layout-wrap {
  display: block;
}

body.v-cos .cos-layout-wrap {
  display: block;
}


/* ==========================================================================
   1. DEFAULT EDITORIAL SCROLL STATE (v-lookbook)
   ========================================================================== */
body.v-lookbook {
  --bg-primary: #FFFFFF;
  --bg-secondary: #FAF9F6;  /* Warm luxury lookbook paper */
  --bg-tertiary: #F4F4F4;
  --text-primary: #000000;
  --text-secondary: #707070;
  --border-color: #E2E2E2;
  --border-color-dark: #000000;
}


/* ==========================================================================
   3. PRESTIGE SOVEREIGN STATE (v-dark Viewport Deck)
   ========================================================================== */
body.v-dark {
  --bg-primary: #0A0A0A;      /* Pure deep obsidian black */
  --bg-secondary: #121212;    /* Dark charcoal containers */
  --bg-tertiary: #1C1C1C;     /* Light charcoal details */
  --text-primary: #FFFFFF;    /* Crisp luminous white */
  --text-secondary: #A0A0A0;  /* Muted silver gray */
  --text-muted: #555555;
  --border-color: #262626;    /* Dark gray dividers */
  --border-color-dark: #FFFFFF;
}

body.v-dark .global-header {
  background-color: rgba(10, 10, 10, 0.95);
  border-bottom: 1px solid var(--border-color);
}

body.v-dark .logo {
  color: #FFFFFF;
}

body.v-dark .nav-link {
  color: var(--text-secondary);
}

body.v-dark .nav-link:hover {
  color: #FFFFFF;
}

body.v-dark .nav-link::after {
  background-color: #FFFFFF;
}

body.v-dark .btn-connect {
  color: #FFFFFF;
  border-color: #FFFFFF;
}

body.v-dark .btn-connect:hover {
  background-color: #FFFFFF;
  color: #000000;
}

/* Presentation Slides snap deck */
.presentation-layout-wrap {
  height: 100vh;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  background-color: #FAFAFA;
}

.pres-slide {
  height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow: hidden;
  padding: 4rem 8rem;
}

.slide-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.slide-bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.slide-bg-img::after {
  content: '';
  display: none;
}

.pres-content {
  max-width: 1200px;
  width: 100%;
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
}

.pres-content.card-lay {
  background-color: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(0, 0, 0, 0.08);
  padding: 4.5rem;
  backdrop-filter: blur(15px);
  max-width: 900px;
  border-radius: 0px;
}

.pres-index {
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  color: rgba(0, 0, 0, 0.4);
  margin-bottom: 1.5rem;
  display: block;
}

.pres-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 200;
  line-height: 1.1;
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
  color: #111111;
}

.glow-text {
  color: transparent;
  -webkit-text-stroke: 1px #111111;
  text-shadow: none;
}

.pres-thai {
  font-family: var(--font-thai);
  font-size: 1.4rem;
  font-weight: 300;
  color: rgba(0, 0, 0, 0.65);
  line-height: 1.6;
}

.pres-nav-hint {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: rgba(0, 0, 0, 0.4);
  margin-top: 6rem;
  animation: pres-pulse 2s infinite;
}

@keyframes pres-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.pres-slide-title {
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
  color: #111111;
}

.pres-slide-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #333333;
  margin-bottom: 1.25rem;
  font-weight: 300;
}

.pres-slide-thai {
  font-family: var(--font-thai);
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(0, 0, 0, 0.5);
  margin-bottom: 3.5rem;
}

.pres-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding-top: 2rem;
}

.p-m-num {
  font-size: 2.5rem;
  font-weight: 200;
  color: #003366;
  display: block;
  line-height: 1;
}

.p-m-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: rgba(0, 0, 0, 0.5);
  text-transform: uppercase;
  margin-top: 0.5rem;
  display: block;
}

/* Connect Slide Form */
.dark-form-wrap {
  max-width: 600px;
  margin: 0 auto;
  align-items: center;
  text-align: center;
}

.pres-form {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  width: 100%;
  margin-top: 3rem;
}

.pres-input {
  background-color: transparent;
  border: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
  padding: 1rem 0.5rem;
  font-family: var(--font-architectural);
  font-size: 0.95rem;
  color: #111111;
  text-align: center;
  border-radius: 0;
  transition: all 0.4s ease;
}

.pres-input:focus {
  outline: none;
  border-bottom-color: #003366;
  background-color: rgba(0, 0, 0, 0.01);
}

.pres-submit-btn {
  background-color: #003366;
  color: #FFFFFF;
  border: 1px solid #003366;
  padding: 1.25rem 3rem;
  font-family: var(--font-architectural);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.4s, color 0.4s;
  margin-top: 1.5rem;
  width: 100%;
}

.pres-submit-btn:hover {
  background-color: #111111;
  border-color: #111111;
  color: #FFFFFF;
}

.pres-success-box {
  margin-top: 3rem;
  padding: 2.5rem;
  border: 1px solid #003366;
  background-color: rgba(0, 51, 102, 0.03);
}

.pres-success-box h4 {
  font-size: 1rem;
  letter-spacing: 0.25em;
  color: #003366;
  margin-bottom: 1rem;
}

.pres-success-box p {
  font-size: 0.85rem;
  color: rgba(0, 0, 0, 0.65);
  line-height: 1.6;
}


/* ==========================================================================
   4. THE UNIQLO PICTURE PORTAL STATE (v-uniqlo retail catalog grid)
   ========================================================================== */
body.v-uniqlo {
  --bg-primary: #FFFFFF;      /* Clean crisp Uniqlo white */
  --bg-secondary: #F6F6F6;    /* Light gray dividing lines and cards */
  --bg-tertiary: #EEEEEE;     /* Soft gray hover effects */
  --text-primary: #000000;    /* Solid high-contrast black text */
  --text-secondary: #555555;  /* Accessible slate dark gray */
  --border-color: #DDDDDD;    /* Clean box dividers */
  --border-color-dark: #003366; /* Crimson red accent */
}

body.v-uniqlo .global-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #DDDDDD;
}

body.v-uniqlo .logo {
  color: #000000;
}

body.v-uniqlo .nav-link {
  color: #555555;
}

body.v-uniqlo .nav-link:hover {
  color: #000000;
}

body.v-uniqlo .nav-link::after {
  background-color: #003366;
}

body.v-uniqlo .btn-connect {
  color: #000000;
  border-color: #000000;
}

body.v-uniqlo .btn-connect:hover {
  background-color: #000000;
  color: #FFFFFF;
}

/* Uniqlo E-Commerce Cart Badge */
.uq-cart-badge-wrap {
  display: none;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid #DDDDDD;
  padding: 0.45rem 1rem;
  background-color: #F6F6F6;
  font-family: var(--font-architectural);
}

body.v-uniqlo .uq-cart-badge-wrap {
  display: flex;
}

.uq-cart-label {
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  font-weight: 700;
  color: #555555;
}

.uq-cart-count {
  background-color: #003366;
  color: #FFFFFF;
  font-size: 0.6rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Uniqlo Style Photo Hero */
.uq-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 5rem;
  max-width: 1600px;
  margin: 0 auto;
  padding: 10rem 4rem 6rem 4rem;
  align-items: center;
  border-bottom: 1px solid #DDDDDD;
}

.uq-hero-banner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.uq-badge-red {
  background-color: #003366;
  color: #FFFFFF;
  padding: 0.3rem 0.85rem;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: inline-block;
}

.uq-hero-title {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 700;
  color: #000000;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
}

.uq-hero-thai {
  font-family: var(--font-thai);
  font-size: 1.05rem;
  line-height: 1.8;
  color: #555555;
  margin-bottom: 3.5rem;
  max-width: 600px;
}

.uq-hero-btn {
  text-decoration: none;
  background-color: #000000;
  color: #FFFFFF;
  padding: 1.25rem 3rem;
  font-family: var(--font-architectural);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  font-weight: 700;
  border: 1px solid #000000;
  transition: all 0.4s var(--transition-editorial);
}

.uq-hero-btn:hover {
  background-color: transparent;
  color: #000000;
}

.uq-hero-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.uq-photo-box {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border: 1px solid #DDDDDD;
}

.uq-photo-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transition-editorial);
}

.uq-photo-box:hover img {
  transform: scale(1.04);
}

.uq-photo-tag {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background-color: rgba(255,255,255,0.9);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: #000000;
  padding: 0.25rem 0.5rem;
  font-weight: 500;
}

/* Uniqlo Shop Catalogue Grid */
.uq-catalog-section {
  padding: 6rem 4rem;
  max-width: 1600px;
  margin: 0 auto;
  border-bottom: 1px solid #DDDDDD;
}

.uq-catalog-header {
  margin-bottom: 4rem;
}

.uq-catalog-badge {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: #003366;
  font-weight: 700;
  display: block;
  margin-bottom: 0.75rem;
}

.uq-catalog-title {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #000000;
}

.uq-products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
}

.uq-product-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  border: 1px solid #DDDDDD;
  background-color: #FFFFFF;
  transition: all 0.4s var(--transition-editorial);
}

.uq-product-card:hover {
  transform: translateY(-5px);
  border-color: #000000;
  box-shadow: 0 10px 35px rgba(0,0,0,0.06);
}

.uq-card-img {
  aspect-ratio: 3/4;
  width: 100%;
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid #DDDDDD;
  background-color: #F6F6F6;
}

.uq-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transition-editorial);
}

.uq-product-card:hover .uq-card-img img {
  transform: scale(1.03);
}

.uq-card-overlay {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: #000000;
  color: #FFFFFF;
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  padding: 0.25rem 0.5rem;
  font-weight: 700;
}

.uq-card-meta {
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.uq-item-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 0.4rem;
}

.uq-item-thai {
  font-family: var(--font-thai);
  font-size: 0.75rem;
  color: #555555;
  margin-bottom: 1.5rem;
}

.uq-item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #EEEEEE;
  padding-top: 1rem;
  margin-top: auto;
}

.uq-item-price {
  font-size: 0.7rem;
  font-weight: 700;
  color: #003366;
}

.uq-item-link {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: #000000;
  font-weight: 700;
}

/* E-Commerce Shop Detail Drawers */
.uq-drawers-container {
  position: relative;
  margin-top: 3rem;
}

.uq-shop-drawer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.8s var(--transition-editorial), margin 0.8s;
  background-color: #F6F6F6;
  border: 1px solid #DDDDDD;
}

.uq-shop-drawer.active {
  max-height: 1200px;
  margin-bottom: 3rem;
}

.uq-drawer-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2.5rem;
  border-bottom: 1px solid #DDDDDD;
  background-color: #EEEEEE;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  font-weight: 700;
  color: #555555;
}

.uq-drawer-close-btn {
  background: none;
  border: none;
  font-size: 0.7rem;
  font-weight: 700;
  cursor: pointer;
  color: #000000;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

.uq-drawer-close-btn:hover {
  color: #003366;
}

.uq-drawer-main {
  display: grid;
  grid-template-columns: 1.1fr 1.9fr;
  gap: 4rem;
  padding: 4rem 2.5rem;
}

.uq-drawer-intro {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.uq-drawer-main-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 1.5rem;
}

.uq-drawer-main-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #333333;
  margin-bottom: 1rem;
  border-left: 2px solid #000000;
  padding-left: 1.25rem;
  font-weight: 300;
}

.uq-drawer-main-desc-th {
  font-family: var(--font-thai);
  font-size: 0.85rem;
  line-height: 1.8;
  color: #555555;
  margin-bottom: 2.5rem;
  padding-left: 1.4rem;
}

.uq-metric-row {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  width: 100%;
}

.uq-metric-row .uq-metric-box {
  background-color: #FFFFFF;
  border: 1px solid #DDDDDD;
  padding: 1rem 1.5rem;
  flex: 1;
}

.uq-metric-val {
  font-size: 1.6rem;
  font-weight: 700;
  color: #000000;
  display: block;
}

.uq-metric-lbl {
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: #777777;
  display: block;
  margin-top: 0.25rem;
}

.uq-cart-btn {
  background-color: #003366;
  color: #FFFFFF;
  border: 1px solid #003366;
  padding: 1.25rem 2.5rem;
  font-family: var(--font-architectural);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.4s var(--transition-editorial);
  width: 100%;
}

.uq-cart-btn:hover {
  background-color: #000000;
  border-color: #000000;
}

.uq-cart-btn.added {
  background-color: #000000;
  border-color: #000000;
}

.uq-drawer-table-wrap {
  background-color: #FFFFFF;
  border: 1px solid #DDDDDD;
  padding: 2.5rem;
  overflow-x: auto;
}

.uq-spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.uq-spec-table th {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #555555;
  border-bottom: 2px solid #000000;
  padding: 1rem 0.5rem;
}

.uq-spec-table td {
  padding: 1.25rem 0.5rem;
  border-bottom: 1px solid #EEEEEE;
  color: #333333;
}

.uq-spec-table tr:hover td {
  background-color: #F9F9F9;
}

.uq-spec-table td strong {
  color: #000000;
  font-weight: 700;
}

/* Connection Banner */
.uq-connect-banner {
  background-color: #F6F6F6;
  border-top: 1px solid #DDDDDD;
  padding: 6rem 4rem;
}

.uq-connect-container {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.uq-banner-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: #000000;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.uq-banner-thai {
  font-family: var(--font-thai);
  font-size: 0.95rem;
  color: #555555;
}

.uq-banner-btn {
  text-decoration: none;
  background-color: #000000;
  color: #FFFFFF;
  padding: 1.25rem 3rem;
  font-family: var(--font-architectural);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  font-weight: 700;
  border: 1px solid #000000;
  transition: all 0.4s var(--transition-editorial);
  white-space: nowrap;
}

.uq-banner-btn:hover {
  background-color: transparent;
  color: #000000;
}


/* ==========================================================================
   5. RESPONSIVE FOR NEW STRUCTURAL LAYOUTS
   ========================================================================== */
@media (max-width: 1200px) {

  /* Uniqlo layout */
  .uq-hero-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
    padding-top: 8rem;
  }
  
  .uq-hero-banner {
    align-items: center;
    text-align: center;
  }
  
  .uq-hero-thai {
    max-width: 100%;
  }
  
  .uq-products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .uq-drawer-main {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 900px) {

  /* Presentation slide heights reset to standard viewport flow on tablet/mobile */
  .presentation-layout-wrap {
    height: auto;
    overflow-y: visible;
    scroll-snap-type: none;
  }
  
  .pres-slide {
    height: auto;
    min-height: 100vh;
    padding: 6rem 2rem;
  }
  
  .pres-content.card-lay {
    padding: 2.5rem 2rem;
  }
  
  /* Uniqlo layout */
  .uq-catalog-section {
    padding: 4rem 2rem;
  }
  
  .uq-connect-banner {
    padding: 4rem 2rem;
  }
  
  .uq-connect-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  /* Uniqlo photo grid stacks vertically */
  .uq-products-grid {
    grid-template-columns: 1fr;
  }
  
  .uq-hero-images {
    grid-template-columns: 1fr;
  }
  
  .pres-metrics-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}


/* ==========================================================================
   6. LITERAL UNIQLO FASHION STOREFRONT (v-fashion layout)
   ========================================================================== */
body.v-fashion {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F6F6F6;
  --bg-tertiary: #EEEEEE;
  --text-primary: #111111;
  --text-secondary: #555555;
  --border-color: #E5E5E5;
  --border-color-dark: #003366;
}

body.v-fashion .global-header {
  display: none; /* Hide Consulting header completely, swap with Uniqlo retail e-commerce header! */
}

body.v-fashion .global-footer {
  display: none; /* Hide Consulting footer completely, swap with Uniqlo retail e-commerce footer! */
}

/* Ticker top banner */
.fs-top-banner {
  background-color: #003366;
  color: #FFFFFF;
  text-align: center;
  padding: 0.45rem 1rem;
  font-size: 0.6rem;
  font-family: var(--font-architectural);
  font-weight: 700;
  letter-spacing: 0.18em;
  width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.fs-top-banner .ticker-text {
  display: inline-block;
  white-space: nowrap;
}

/* Retail nav bar */
.fs-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #E5E5E5;
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
}

.fs-nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 4rem;
  max-width: 1600px;
  margin: 0 auto;
  gap: 3rem;
}

.fs-logo-block {
  display: flex;
  flex-direction: column;
  background-color: #003366;
  color: #FFFFFF;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-architectural);
  font-weight: 700;
  text-align: center;
  line-height: 1;
  letter-spacing: 0.05em;
  cursor: pointer;
}

.fs-logo-main {
  font-size: 1.15rem;
  font-weight: 700;
}

.fs-logo-sub {
  font-size: 0.45rem;
  letter-spacing: 0.1em;
  margin-top: 0.2rem;
}

.fs-main-nav {
  display: flex;
  align-items: center;
}

.fs-nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  margin: 0;
  padding: 0;
}

.fs-nav-item {
  position: relative;
  padding: 0.5rem 0;
}

.fs-nav-link-item {
  text-decoration: none;
  color: #111111;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: color 0.3s;
}

.fs-nav-link-item:hover {
  color: #003366;
}

/* Mega menu dropdown simulation */
.fs-mega-menu {
  position: absolute;
  top: 100%;
  left: -2rem;
  background-color: #FFFFFF;
  border: 1px solid #E5E5E5;
  box-shadow: 0 15px 35px rgba(0,0,0,0.08);
  display: none;
  padding: 2.5rem;
  width: 550px;
  z-index: 1001;
  animation: fs-fadeInMenu 0.4s var(--transition-editorial) forwards;
}

.fs-nav-item:hover .fs-mega-menu {
  display: block;
}

@keyframes fs-fadeInMenu {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fs-mega-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.fs-mega-col h4 {
  font-size: 0.65rem;
  color: #777777;
  letter-spacing: 0.15em;
  border-bottom: 1px solid #E5E5E5;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.fs-mega-col a {
  display: block;
  text-decoration: none;
  color: #111111;
  font-size: 0.78rem;
  padding: 0.35rem 0;
  font-weight: 500;
  transition: color 0.2s;
}

.fs-mega-col a:hover {
  color: #003366;
}

.fs-mega-col a.red-text {
  color: #003366;
  font-weight: 700;
}

/* Search panel */
.fs-search-panel {
  display: flex;
  align-items: center;
  border: 1px solid #E5E5E5;
  background-color: #F6F6F6;
  padding: 0.45rem 1rem;
  flex-grow: 1;
  max-width: 380px;
  position: relative;
}

.fs-search-input {
  background-color: transparent;
  border: none;
  outline: none;
  font-size: 0.8rem;
  width: 100%;
  font-family: var(--font-architectural);
}

.fs-search-icon {
  font-size: 0.8rem;
  cursor: pointer;
  color: #777777;
}

/* Utility icons */
.fs-utilities {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.fs-nav-contact-btn {
  font-family: var(--font-architectural);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  font-weight: 700;
  color: #FFFFFF;
  background-color: #003366; /* Uniqlo Accent Red */
  border: 1px solid #003366;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  transition: all 0.3s var(--transition-editorial);
  display: inline-block;
}

.fs-nav-contact-btn:hover {
  background-color: #111111;
  border-color: #111111;
}

/* Campaign carousel hero */
.fs-hero-carousel {
  width: 100%;
  border-bottom: 1px solid #E5E5E5;
  background-color: #FFFFFF;
}

.fs-slide {
  position: relative;
  height: 65vh;
  min-height: 500px;
  width: 100%;
  overflow: hidden;
  display: none;
}

.fs-slide.active {
  display: block;
}

.fs-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fs-slide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.3) 100%);
}

.fs-slide-content {
  position: absolute;
  top: 50%;
  left: 10%;
  transform: translateY(-50%);
  max-width: 600px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.fs-slide-badge {
  background-color: #003366;
  color: #FFFFFF;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 0.25rem 0.75rem;
  margin-bottom: 1.5rem;
  display: inline-block;
}

.fs-slide-title {
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 700;
  color: #111111;
  line-height: 1.08;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.fs-slide-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #555555;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.fs-slide-btn {
  text-decoration: none;
  background-color: #111111;
  color: #FFFFFF;
  padding: 1.25rem 3rem;
  font-family: var(--font-architectural);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  font-weight: 700;
  border: 1px solid #111111;
  transition: all 0.4s var(--transition-editorial);
}

.fs-slide-btn:hover {
  background-color: transparent;
  color: #111111;
}

/* Secondary banners category */
.fs-secondary-banners {
  padding: 4rem;
  border-bottom: 1px solid #E5E5E5;
  background-color: #FFFFFF;
}

.fs-banners-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  max-width: 1600px;
  margin: 0 auto;
}

.fs-banner-card {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  border: 1px solid #E5E5E5;
  cursor: pointer;
}

.fs-banner-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transition-editorial);
}

.fs-banner-card:hover img {
  transform: scale(1.03);
}

.fs-banner-overlay {
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  background-color: rgba(255, 255, 255, 0.95);
  padding: 1.5rem 2rem;
  box-shadow: 0 5px 15px rgba(0,0,0,0.04);
}

.fs-banner-overlay h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #111111;
  margin-bottom: 0.25rem;
  letter-spacing: 0.05em;
}

.fs-banner-overlay p {
  font-size: 0.7rem;
  color: #777777;
  margin-bottom: 1rem;
}

.fs-banner-link {
  font-size: 0.65rem;
  font-weight: 700;
  color: #111111;
  letter-spacing: 0.1em;
}

/* Fashion E-Commerce Product grid catalog */
.fs-catalog-section {
  padding: 6rem 4rem;
  max-width: 1600px;
  margin: 0 auto;
}

.fs-catalog-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 4rem;
}

.fs-section-badge {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: #003366;
  font-weight: 700;
  display: block;
  margin-bottom: 0.75rem;
}

.fs-section-title {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #111111;
}

.fs-category-tabs {
  display: flex;
  gap: 1.5rem;
}

.fs-tab {
  background: none;
  border: none;
  font-size: 0.75rem;
  font-weight: 700;
  color: #777777;
  cursor: pointer;
  letter-spacing: 0.1em;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid transparent;
  transition: all 0.3s;
}

.fs-tab:hover, .fs-tab.active {
  color: #111111;
  border-bottom-color: #111111;
}

.fs-products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
}

.fs-product-card {
  border: 1px solid #E5E5E5;
  display: flex;
  flex-direction: column;
  background-color: #FFFFFF;
  transition: all 0.4s var(--transition-editorial);
}

.fs-product-card:hover {
  transform: translateY(-5px);
  border-color: #111111;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}

.fs-card-img-container {
  aspect-ratio: 3/4;
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid #E5E5E5;
  background-color: #F6F6F6;
}

.fs-product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transition-editorial), filter 0.4s ease;
}

.fs-product-card:hover .fs-product-img {
  transform: scale(1.03);
}

.fs-card-badge-red {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: #003366;
  color: #FFFFFF;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0.25rem 0.5rem;
}

.fs-card-badge-black {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: #111111;
  color: #FFFFFF;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0.25rem 0.5rem;
}

.fs-card-details {
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.fs-card-category {
  font-family: var(--font-architectural);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: #777777;
  margin-bottom: 0.75rem;
  display: block;
}

.fs-product-title {
  font-size: 1rem;
  font-weight: 700;
  color: #111111;
  margin-bottom: 0.4rem;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.fs-product-thai {
  font-family: var(--font-thai);
  font-size: 0.72rem;
  color: #777777;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.fs-metrics-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  border-top: 1px solid #E5E5E5;
  border-bottom: 1px solid #E5E5E5;
  padding: 1.25rem 0;
  margin-top: auto;
  margin-bottom: 2rem;
  background-color: #FAFAFA;
  text-align: center;
}

.fs-metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.fs-metric-item:not(:last-child) {
  border-right: 1px solid #EEEEEE;
}

.fs-metric-val {
  font-family: var(--font-architectural);
  font-size: 1.1rem;
  font-weight: 700;
  color: #111111;
  line-height: 1.2;
}

.fs-metric-lbl {
  font-family: var(--font-architectural);
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  color: #777777;
  margin-top: 0.25rem;
}

.fs-learn-more-link {
  font-family: var(--font-architectural);
  font-size: 0.7rem;
  font-weight: 700;
  color: #111111;
  text-decoration: none;
  letter-spacing: 0.12em;
  padding: 0.75rem 0;
  border: 1px solid #111111;
  text-align: center;
  transition: all 0.4s var(--transition-editorial);
  width: 100%;
}

.fs-learn-more-link:hover {
  background-color: #111111;
  color: #FFFFFF;
}

/* Newsletter & Signups */
.fs-newsletter {
  background-color: #F6F6F6;
  border-top: 1px solid #E5E5E5;
  padding: 6rem 4rem;
}

.fs-news-container {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 4rem;
}

.fs-news-left h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #111111;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.fs-news-left p {
  font-size: 0.85rem;
  color: #555555;
  font-weight: 300;
}

.fs-news-form {
  display: flex;
  gap: 1rem;
  flex-grow: 1;
  max-width: 600px;
}

.fs-news-input {
  background-color: #FFFFFF;
  border: 1px solid #E5E5E5;
  padding: 1rem;
  font-family: var(--font-architectural);
  font-size: 0.85rem;
  width: 100%;
  outline: none;
  transition: border-color 0.3s;
}

.fs-news-input:focus {
  border-color: #111111;
}

.fs-news-btn {
  background-color: #111111;
  color: #FFFFFF;
  border: 1px solid #111111;
  padding: 1rem 2.5rem;
  font-family: var(--font-architectural);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}

.fs-news-btn:hover {
  background-color: #003366;
  border-color: #003366;
}

.fs-news-success-message {
  background-color: #FFFFFF;
  border: 1px solid #111111;
  padding: 1rem 2rem;
  color: #111111;
  font-size: 0.85rem;
  font-weight: 700;
  width: 100%;
  max-width: 600px;
  animation: fs-fadeInSuccess 0.5s var(--transition-editorial) forwards;
}

@keyframes fs-fadeInSuccess {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* E-Commerce Footer */
.fs-footer {
  background-color: #FFFFFF;
  border-top: 1px solid #E5E5E5;
  padding: 6rem 4rem 4rem 4rem;
}

.fs-footer-container {
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4rem;
  margin-bottom: 6rem;
}

.fs-footer-col h4 {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: #111111;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.fs-footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.fs-footer-col a {
  text-decoration: none;
  font-size: 0.78rem;
  color: #555555;
  transition: color 0.2s;
  font-weight: 500;
}

.fs-footer-col a:hover {
  color: #003366;
}

.fs-footer-bottom {
  max-width: 1600px;
  margin: 0 auto;
  border-top: 1px solid #EEEEEE;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.fs-copyright {
  font-size: 0.65rem;
  color: #777777;
  letter-spacing: 0.05em;
}

.fs-footer-meta {
  display: flex;
  gap: 2rem;
}

.fs-footer-link {
  text-decoration: none;
  font-size: 0.65rem;
  color: #777777;
  letter-spacing: 0.05em;
}

.fs-footer-link:hover {
  color: #003366;
}

/* Responsiveness for fashion storefront */
@media (max-width: 1200px) {
  .fs-nav-container {
    padding: 1rem 2rem;
    gap: 1.5rem;
  }
  
  .fs-search-panel {
    max-width: 250px;
  }
  
  .fs-secondary-banners {
    padding: 4rem 2rem;
  }
  
  .fs-banners-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .fs-catalog-section {
    padding: 4rem 2rem;
  }
  
  .fs-products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .fs-footer-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

@media (max-width: 900px) {
  .fs-main-nav, .fs-search-panel {
    display: none; /* Hide link navigations on mobile, swap with drawer icon */
  }
  
  .fs-hero-carousel .fs-slide {
    height: 50vh;
  }
  
  .fs-slide-content {
    left: 2rem;
    max-width: 80%;
  }
  
  .fs-news-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
  
  .fs-footer {
    padding: 4rem 2rem 2rem 2rem;
  }
  
  .fs-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
}

@media (max-width: 600px) {
  .fs-products-grid {
    grid-template-columns: 1fr;
  }
  
  .fs-footer-container {
    grid-template-columns: 1fr;
  }
}


/* ==========================================================================
   7. COS EDITORIAL SCANDINAVIAN PORTAL (v-cos layout)
   ========================================================================== */
body.v-cos {
  --bg-primary: #FFFFFF;
  --bg-secondary: #FBFBFA; /* soft sand ivory */
  --bg-tertiary: #F0F0EF;
  --text-primary: #0F0F0F; /* deep high-fashion charcoal */
  --text-secondary: #575757;
  --border-color: #E5E5E5;
  --border-color-dark: #000000;
  
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.02em;
}

body.v-cos .global-header {
  display: none !important; /* COS uses its own centered minimalist header */
}

body.v-cos .global-footer {
  display: none !important; /* COS uses its own customized footer */
}

/* Alert Bar */
.cos-alert-bar {
  background-color: #0F0F0F;
  color: #FFFFFF;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  padding: 0.65rem 2rem;
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  text-transform: uppercase;
}

.cos-ticker {
  display: inline-block;
  animation: cos-marquee 25s linear infinite;
  font-weight: 300;
}

@keyframes cos-marquee {
  0% { transform: translate3d(50%, 0, 0); }
  100% { transform: translate3d(-50%, 0, 0); }
}

/* Centered Header */
.cos-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 1.5rem 4rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.cos-nav-left {
  display: flex;
  gap: 2.5rem;
}

.cos-nav-left a {
  color: var(--text-primary);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-decoration: none;
  text-transform: uppercase;
  transition: opacity 0.2s;
}

.cos-nav-left a:hover {
  opacity: 0.6;
}

.cos-logo-center {
  text-align: center;
}

.cos-brand-name {
  font-family: 'Inter', sans-serif;
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  color: var(--text-primary);
  display: inline-block;
  padding-left: 0.4em; /* compensates for letter-spacing offset */
}

.cos-nav-right {
  display: flex;
  justify-content: flex-end;
  gap: 2.5rem;
}

.cos-nav-right a {
  color: var(--text-primary);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-decoration: none;
  text-transform: uppercase;
  transition: opacity 0.2s;
}

.cos-nav-right a:hover {
  opacity: 0.6;
}

/* Hero Section with Cinematic Zoom-Pan Animation */
.cos-hero {
  height: 90vh;
  width: 100%;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 8rem;
  overflow: hidden;
}

/* Pseudo-element for background zoom-pan animation */
.cos-hero::after {
  content: '';
  position: absolute;
  top: -5%;
  left: -5%;
  width: 110%;
  height: 110%;
  background-image: url('/assets/cos_strategic_facade.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
  animation: cos-zoom-pan 35s ease-in-out infinite;
  pointer-events: none;
}

.cos-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.08); /* soft light mask */
  pointer-events: none;
  z-index: 1;
}

@keyframes cos-zoom-pan {
  0% {
    transform: scale(1) translate3d(0, 0, 0);
  }
  50% {
    transform: scale(1.06) translate3d(-1%, 1%, 0);
  }
  100% {
    transform: scale(1) translate3d(0, 0, 0);
  }
}

.cos-hero-content {
  position: relative;
  z-index: 10;
  max-width: 600px;
  background-color: #FFFFFF;
  padding: 4rem;
  border: 1px solid var(--border-color);
}

.cos-hero-subtitle {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  font-weight: 500;
}

.cos-hero-title {
  font-size: 2.4rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.cos-hero-thai {
  font-family: 'IBM Plex Sans Thai', sans-serif;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.8;
  font-weight: 300;
}

.cos-hero-btn {
  display: inline-block;
  border: 1px solid var(--text-primary);
  background-color: transparent;
  color: var(--text-primary);
  padding: 1rem 2.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-decoration: none;
  text-transform: uppercase;
  transition: all 0.35s ease;
  font-weight: 500;
}

.cos-hero-btn:hover {
  background-color: var(--text-primary);
  color: #FFFFFF;
}

/* Editorial Block */
.cos-editorial {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 10rem 4rem;
  text-align: center;
}

.cos-editorial-container {
  max-width: 950px;
  margin: 0 auto;
}

.cos-quote {
  font-family: 'IBM Plex Sans Thai', sans-serif;
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--text-primary);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  letter-spacing: 0;
}

.cos-quote-sub {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
}

/* 2-Column Partner Grid */
.cos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-bottom: 1px solid var(--border-color);
}

.cos-col {
  border-right: 1px solid var(--border-color);
}

.cos-col:last-child {
  border-right: none;
}

.cos-photo-box {
  position: relative;
  overflow: hidden;
  height: 750px;
  display: flex;
  align-items: flex-end;
  padding: 5rem;
}

.cos-photo-box img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cos-photo-box:hover img {
  transform: scale(1.04);
}

.cos-photo-meta {
  position: relative;
  z-index: 10;
  background-color: #FFFFFF;
  padding: 2.5rem;
  width: 100%;
  border: 1px solid var(--border-color);
}

.cos-photo-meta h3 {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--text-primary);
  margin-bottom: 0.65rem;
  font-weight: 500;
}

.cos-photo-meta p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  font-weight: 300;
}

/* Product Showcase Carousel */
.cos-carousel-section {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  padding: 10rem 6rem;
}

.cos-section-header {
  margin-bottom: 5rem;
  text-align: center;
}

.cos-sec-badge {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 1rem;
  text-transform: uppercase;
  font-weight: 500;
}

.cos-sec-title {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.cos-carousel-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
}

.cos-carousel-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  flex-direction: column;
}

.cos-carousel-card:hover {
  transform: translate3d(0, -6px, 0);
  box-shadow: 0 15px 40px rgba(0,0,0,0.02);
  border-color: var(--border-color-dark);
}

.cos-card-img {
  height: 350px;
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid var(--border-color);
}

.cos-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.cos-carousel-card:hover .cos-card-img img {
  transform: scale(1.05);
}

.cos-card-info {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.cos-card-num {
  font-family: 'Fira Code', monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 0.75rem;
}

.cos-card-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.cos-card-thai {
  font-family: 'IBM Plex Sans Thai', sans-serif;
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2.5rem;
  flex-grow: 1;
  font-weight: 300;
}

.cos-card-action {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s;
}

.cos-card-action:hover {
  opacity: 0.6;
}

/* Footer Section */
.cos-footer {
  background-color: #0F0F0F;
  color: #FFFFFF;
  padding: 8rem 6rem 4rem 6rem;
}

.cos-footer-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6rem;
  border-bottom: 1px solid #262626;
  padding-bottom: 6rem;
  margin-bottom: 4rem;
}

.cos-footer-column h4 {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: #FFFFFF;
  margin-bottom: 2.5rem;
  font-weight: 500;
  text-transform: uppercase;
}

.cos-footer-column a {
  display: block;
  color: #8C8C8C;
  font-size: 0.75rem;
  text-decoration: none;
  margin-bottom: 1.25rem;
  letter-spacing: 0.1em;
  transition: color 0.2s;
  font-weight: 300;
}

.cos-footer-column a:hover {
  color: #FFFFFF;
}

.cos-footer-column p {
  color: #8C8C8C;
  font-size: 0.75rem;
  line-height: 1.8;
  letter-spacing: 0.05em;
  font-weight: 300;
}

.cos-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #4C4C4C;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
}

/* Media Query Responsiveness */
@media (max-width: 1200px) {
  .cos-header {
    padding: 1.5rem 3rem;
  }
  .cos-hero {
    padding: 6rem;
  }
  .cos-carousel-section {
    padding: 8rem 4rem;
  }
  .cos-carousel-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 1024px) {
  .cos-grid {
    grid-template-columns: 1fr;
  }
  .cos-col {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  .cos-photo-box {
    height: 600px;
    padding: 4rem;
  }
}

@media (max-width: 768px) {
  .cos-header {
    grid-template-columns: 1fr auto;
    padding: 1.25rem 2rem;
  }
  .cos-nav-left {
    display: none;
  }
  .cos-logo-center {
    text-align: left;
  }
  .cos-hero {
    padding: 4rem 2rem;
    height: 80vh;
  }
  .cos-hero-content {
    padding: 2.5rem 2rem;
    max-width: 100%;
  }
  .cos-hero-title {
    font-size: 1.8rem;
  }
  .cos-editorial {
    padding: 6rem 2rem;
  }
  .cos-quote {
    font-size: 1.4rem;
  }
  .cos-carousel-section {
    padding: 6rem 2rem;
  }
  .cos-carousel-container {
    grid-template-columns: 1fr;
  }
  .cos-footer {
    padding: 6rem 2rem 3rem 2rem;
  }
  .cos-footer-container {
    grid-template-columns: 1fr;
    gap: 4rem;
    padding-bottom: 4rem;
  }
  .cos-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
}