/* ==========================================================
   Tejas Speciality Chemical - Primary Corporate Stylesheet
   Color Identity: Deep Precision Sapphire & Electric Cyan
   ========================================================== */

:root {
  --color-primary-dark: #02182B;
  --color-primary: #04294B;
  --color-primary-accent: #0A4BA2;
  --color-cyan: #00B4D8;
  --color-cyan-glow: #00E5FF;
  --color-cyan-dark: #0077B6;
  --color-teal: #02C39A;
  --color-eco-green: #10B981;
  --color-eco-glow: #34D399;
  
  --color-slate-900: #0F172A;
  --color-slate-800: #1E293B;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748B;
  --color-slate-300: #CBD5E1;
  --color-slate-200: #E2E8F0;
  --color-slate-100: #F1F5F9;
  --color-slate-50:  #F8FAFC;
  --color-white:     #FFFFFF;

  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(4, 41, 75, 0.15), 0 10px 10px -5px rgba(4, 41, 75, 0.04);
  --shadow-cyan: 0 10px 25px -5px rgba(0, 180, 216, 0.35);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-slate-50);
  color: var(--color-slate-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
  position: relative;
}

a {
  color: var(--color-primary-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-cyan-dark);
}

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

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 960px;
}

.container-wide {
  max-width: 1360px;
}

/* Responsive Grid System Helpers */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.grid-2-asym {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.grid-2-detail {
  display: grid;
  grid-template-columns: 1.45fr 0.8fr;
  gap: 3.5rem;
  align-items: start;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.industry-item-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  align-items: center;
}

.industry-item-grid.reverse {
  grid-template-columns: 1.2fr 1fr;
}

.industry-row-divider {
  margin-bottom: 4.5rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--color-slate-200);
}

/* ==========================================================
   Header & Top Utility Bar
   ========================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 12px rgba(4, 41, 75, 0.08);
  transition: all var(--transition-normal);
}

.top-bar {
  background: linear-gradient(90deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-slate-300);
  font-size: 0.8125rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.top-bar a {
  color: var(--color-slate-200);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-bar a:hover {
  color: var(--color-cyan-glow);
}

.top-bar-tagline {
  color: var(--color-cyan);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-size: 0.75rem;
}

/* Main Navigation */
.main-navbar {
  padding: 0.85rem 0;
  transition: padding var(--transition-fast);
}

.site-header.scrolled .main-navbar {
  padding: 0.55rem 0;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 1rem;
}

.brand-logo-img {
  height: 62px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-logo-link:hover .brand-logo-img {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-primary);
  position: relative;
  padding: 0.35rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2.5px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-primary-accent));
  border-radius: 2px;
  transition: width var(--transition-normal);
}

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

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

.nav-menu-header,
.nav-menu-footer,
.nav-backdrop {
  display: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* Header QR Trigger Button */
.btn-qr-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 180, 216, 0.1);
  color: var(--color-primary);
  border: 1.5px solid var(--color-cyan);
  padding: 0.5rem 0.95rem;
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-qr-trigger .qr-icon-pill {
  background: var(--color-primary);
  color: var(--color-cyan-glow);
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.7rem;
}

.btn-qr-trigger:hover {
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-cyan-dark) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-cyan);
  border-color: transparent;
  transform: translateY(-1px);
}

.btn-qr-trigger:hover .qr-icon-pill {
  background: var(--color-white);
  color: var(--color-primary);
}

/* Primary Corporate Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-accent) 100%);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(4, 41, 75, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-accent) 0%, var(--color-cyan-dark) 100%);
  color: var(--color-white);
  box-shadow: 0 6px 20px rgba(0, 180, 216, 0.35);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-cyan-dark) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-cyan);
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--color-cyan-glow) 0%, var(--color-cyan) 100%);
  color: var(--color-primary-dark);
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-slate-300);
  color: var(--color-primary);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: var(--color-slate-100);
  color: var(--color-primary);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  backdrop-filter: blur(6px);
}

.btn-outline-white:hover {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

/* Mobile Hamburger Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  cursor: pointer;
  padding: 0.25rem;
}

/* ==========================================================
   Hero Section
   ========================================================== */

.hero-section {
  position: relative;
  background: radial-gradient(circle at 80% 20%, #0A3977 0%, var(--color-primary-dark) 70%, #010E1A 100%);
  color: var(--color-white);
  padding: 5.5rem 0 6rem;
  overflow: hidden;
}

.hero-pattern-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(rgba(0, 180, 216, 0.12) 1.5px, transparent 1.5px),
    linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 32px 32px, 64px 64px;
  opacity: 0.6;
  pointer-events: none;
}

.hero-glow-blob {
  position: absolute;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.25;
  pointer-events: none;
}

.hero-glow-1 {
  background: var(--color-cyan);
  top: -120px;
  right: -80px;
}

.hero-glow-2 {
  background: #0284C7;
  bottom: -150px;
  left: 10%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 1;
}

.hero-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 180, 216, 0.15);
  border: 1px solid rgba(0, 229, 255, 0.35);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  color: var(--color-cyan-glow);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-badge-tag i {
  color: var(--color-cyan-glow);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

.hero-title .text-gradient {
  background: linear-gradient(135deg, #FFFFFF 20%, var(--color-cyan-glow) 80%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-lead {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-slate-300);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.75rem;
}

.hero-stats-row {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.75rem;
}

.stat-item h4 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-cyan-glow);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-item p {
  font-size: 0.8125rem;
  color: var(--color-slate-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

/* Hero QR Highlight Card */
.hero-qr-card {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(16px);
  border: 1.5px solid rgba(0, 180, 216, 0.35);
  border-radius: var(--radius-xl);
  padding: 2.25rem 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.2);
  position: relative;
  text-align: center;
  transition: transform var(--transition-normal);
}

.hero-qr-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-cyan-glow);
}

.qr-card-header {
  margin-bottom: 1.25rem;
}

.qr-card-header .pulse-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid var(--color-eco-green);
  color: var(--color-eco-glow);
  font-size: 0.725rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.qr-card-header h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--color-white);
  font-weight: 700;
}

.qr-card-header p {
  font-size: 0.85rem;
  color: var(--color-slate-300);
  margin-top: 0.25rem;
}

/* Dynamic QR Box Container */
.qr-render-box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  position: relative;
  margin: 0 auto 1.25rem;
  width: 190px;
  height: 190px;
}

.qr-render-box canvas, .qr-render-box img {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.qr-scan-corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--color-cyan);
  pointer-events: none;
}

.qr-scan-corner.tl { top: 6px; left: 6px; border-top: 3px solid var(--color-cyan); border-left: 3px solid var(--color-cyan); }
.qr-scan-corner.tr { top: 6px; right: 6px; border-top: 3px solid var(--color-cyan); border-right: 3px solid var(--color-cyan); }
.qr-scan-corner.bl { bottom: 6px; left: 6px; border-bottom: 3px solid var(--color-cyan); border-left: 3px solid var(--color-cyan); }
.qr-scan-corner.br { bottom: 6px; right: 6px; border-bottom: 3px solid var(--color-cyan); border-right: 3px solid var(--color-cyan); }

.qr-card-footer {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.qr-card-footer .qr-instructions {
  font-size: 0.8rem;
  color: var(--color-slate-300);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

/* ==========================================================
   Section Title Utilities
   ========================================================== */

.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-alt {
  background-color: var(--color-white);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0, 180, 216, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(0, 180, 216, 0.3);
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.75px;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-slate-600);
  line-height: 1.65;
}

/* ==========================================================
   Featured Categories Grid
   ========================================================== */

.category-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.category-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-slate-200);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-cyan));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 180, 216, 0.4);
}

.category-card:hover::before {
  opacity: 1;
}

.category-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(4, 41, 75, 0.06) 0%, rgba(0, 180, 216, 0.15) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  transition: all var(--transition-fast);
}

.category-card:hover .category-icon-wrap {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-cyan-dark) 100%);
  color: var(--color-white);
  transform: scale(1.05);
}

.category-badge-chip {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--color-slate-100);
  color: var(--color-primary);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
}

.category-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.75rem;
}

.category-card p {
  color: var(--color-slate-600);
  font-size: 0.925rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.category-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary-accent);
}

.category-card:hover .category-card-link {
  color: var(--color-cyan-dark);
  gap: 0.6rem;
}

/* ==========================================================
   Dedicated QR Catalogue Section
   ========================================================== */

.qr-spotlight-section {
  background: linear-gradient(135deg, #021B32 0%, #04294B 60%, #073B6C 100%);
  color: var(--color-white);
  padding: 5.5rem 0;
  position: relative;
  overflow: hidden;
}

.qr-spotlight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  position: relative;
  z-index: 1;
}

.qr-features-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.qr-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.qr-feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(0, 180, 216, 0.15);
  border: 1px solid rgba(0, 229, 255, 0.3);
  color: var(--color-cyan-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.15rem;
}

.qr-feature-item h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.qr-feature-item p {
  font-size: 0.875rem;
  color: var(--color-slate-300);
}

.qr-device-mockup-frame {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 2px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  text-align: center;
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.6);
  position: relative;
}

.qr-device-mockup-frame::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(0,229,255,0.4), transparent 60%);
  pointer-events: none;
}

.spotlight-qr-canvas-holder {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: inline-block;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
  margin-bottom: 1.5rem;
  width: 240px;
  height: 240px;
}

.spotlight-qr-canvas-holder canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ==========================================================
   Products Catalogue Page Styles
   ========================================================== */

.catalogue-toolbar {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-slate-200);
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.search-input-group {
  position: relative;
  flex-grow: 1;
}

.search-input-group i {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-slate-400);
  font-size: 1.1rem;
}

.search-input-group input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 3rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-slate-200);
  font-size: 0.95rem;
  color: var(--color-slate-800);
  transition: border-color var(--transition-fast);
  outline: none;
}

.search-input-group input:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
}

.category-filter-pills {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-pill-btn {
  background: var(--color-slate-100);
  border: 1px solid transparent;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-slate-700);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill-btn:hover {
  background: var(--color-slate-200);
  color: var(--color-primary);
}

.filter-pill-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* Product Card Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.product-item-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-slate-200);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.product-item-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 180, 216, 0.35);
}

.product-card-top {
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--color-slate-100);
  background: linear-gradient(180deg, var(--color-slate-50) 0%, var(--color-white) 100%);
}

.product-category-tag {
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-cyan-dark);
  letter-spacing: 0.5px;
  display: inline-block;
  margin-bottom: 0.35rem;
}

.product-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.35;
  margin-bottom: 0.5rem;
}

.product-cas-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.775rem;
  font-family: monospace;
  background: var(--color-slate-100);
  color: var(--color-slate-700);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
}

.product-card-body {
  padding: 1.25rem 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-desc {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.product-highlight-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--color-slate-700);
}

.product-highlight-row i {
  color: var(--color-cyan);
  font-size: 0.75rem;
}

.product-card-footer {
  padding: 1rem 1.5rem 1.5rem;
  display: flex;
  gap: 0.75rem;
  background: var(--color-slate-50);
  border-top: 1px solid var(--color-slate-100);
}

.product-card-footer .btn {
  flex: 1;
  font-size: 0.825rem;
  padding: 0.55rem 0.75rem;
}

/* Product Card Enhancements for Discovery Master */
.product-card-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.product-status-pill {
  font-size: 0.675rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}

.product-status-pill.status-regular {
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.product-status-pill.status-enquiry {
  background: rgba(100, 116, 139, 0.08);
  color: var(--color-slate-600);
  border: 1px solid var(--color-slate-200);
}

.product-status-badge {
  font-size: 0.675rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.product-status-badge.status-ready,
.product-status-badge.status-regular {
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.product-status-badge.status-enquiry {
  background: rgba(100, 116, 139, 0.08);
  color: var(--color-slate-600);
  border: 1px solid var(--color-slate-200);
}

.product-card-action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.65rem 1rem;
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
  text-decoration: none;
}

.product-card-action-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.product-alias-box {
  margin-top: 0.6rem;
  font-size: 0.75rem;
  color: var(--color-slate-500);
  line-height: 1.4;
}

.product-alias-chip {
  display: inline-block;
  background: var(--color-slate-100);
  color: var(--color-slate-600);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.7rem;
  margin: 0.1rem 0.2rem 0.1rem 0;
}

.catalogue-load-more {
  text-align: center;
  margin-top: 3rem;
  padding: 2rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--color-slate-300);
}

.pill-count {
  display: inline-block;
  background: rgba(0, 0, 0, 0.08);
  font-size: 0.7rem;
  padding: 0.1rem 0.45rem;
  border-radius: 10px;
  margin-left: 0.35rem;
  font-weight: 700;
}

.filter-pill-btn.active .pill-count {
  background: rgba(255, 255, 255, 0.25);
  color: var(--color-white);
}

/* ==========================================================
   Product Detail Page
   ========================================================== */

.product-hero-detail {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: 4.5rem 0 3.5rem;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.825rem;
  color: var(--color-slate-300);
  margin-bottom: 1.25rem;
}

.breadcrumb-nav a {
  color: var(--color-cyan);
}

.spec-sheet-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-slate-200);
  margin: 1.5rem 0;
}

.spec-sheet-table th, .spec-sheet-table td {
  padding: 0.85rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-slate-200);
  font-size: 0.9rem;
}

.spec-sheet-table th {
  background: var(--color-slate-100);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  width: 35%;
}

.spec-sheet-table td {
  color: var(--color-slate-700);
}

/* ==========================================================
   Spec Accordion / Collapsible Technical Details (Phase 4)
   ========================================================== */

.spec-accordion {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.spec-accordion:hover {
  border-color: var(--color-cyan);
}

.spec-accordion[open] {
  border-color: rgba(0, 180, 216, 0.4);
  box-shadow: var(--shadow-sm);
}

.spec-accordion summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--color-slate-50);
  user-select: none;
  transition: background var(--transition-fast);
}

.spec-accordion summary::-webkit-details-marker {
  display: none;
}

.spec-accordion summary:hover {
  background: #f1f5f9;
}

.spec-accordion[open] summary {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
}

.spec-accordion-title {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.spec-accordion-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(0, 180, 216, 0.12);
  color: var(--color-cyan-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.spec-accordion-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary-dark);
  margin: 0;
}

.spec-accordion-sub {
  font-size: 0.825rem;
  color: var(--color-slate-500);
  display: block;
  font-weight: 400;
  margin-top: 0.15rem;
}

.spec-accordion-chevron {
  font-size: 0.85rem;
  color: var(--color-slate-400);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.spec-accordion[open] .spec-accordion-chevron {
  transform: rotate(180deg);
  color: var(--color-cyan-dark);
}

.spec-accordion-body {
  padding: 1.5rem;
  background: var(--color-white);
}

/* ==========================================================
   Sustainability Page & Eco Branding
   ========================================================== */

.eco-hero-section {
  background: radial-gradient(circle at 70% 30%, #064E3B 0%, var(--color-primary-dark) 70%, #01140E 100%);
  color: var(--color-white);
  padding: 5.5rem 0 5rem;
}

.eco-badge-tag {
  background: rgba(16, 185, 129, 0.2);
  border-color: var(--color-eco-green);
  color: var(--color-eco-glow);
}

.eco-logo-display {
  max-height: 180px;
  width: auto;
  margin: 0 auto 1.5rem;
  filter: drop-shadow(0 10px 20px rgba(16, 185, 129, 0.25));
}

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

.pillar-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  border: 1px solid var(--color-slate-200);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.pillar-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-eco-green);
}

.pillar-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-eco-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

/* ==========================================================
   Contact Form & Cards
   ========================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-info-card {
  background: var(--color-white);
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-slate-200);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-info-card .icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(0, 180, 216, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-form-box {
  background: var(--color-white);
  padding: 2.75rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-slate-200);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-slate-700);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-slate-200);
  font-family: inherit;
  font-size: 0.925rem;
  color: var(--color-slate-800);
  transition: all var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
}

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

/* ==========================================================
   QR Modal & Floating Quick Trigger
   ========================================================== */

.qr-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 24, 43, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.qr-modal-backdrop.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.qr-modal-box {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 480px;
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.qr-modal-backdrop.show .qr-modal-box {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--color-slate-100);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--color-slate-600);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--color-slate-200);
  color: var(--color-primary-dark);
}

/* Floating QR Badge (Bottom Right) */
.floating-qr-dock {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.floating-qr-btn {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-accent) 100%);
  color: var(--color-white);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 8px 24px rgba(4, 41, 75, 0.4);
  cursor: pointer;
  border: 2px solid var(--color-cyan);
  transition: all var(--transition-normal);
}

.floating-qr-btn:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 180, 216, 0.5);
}

.floating-qr-tooltip {
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  pointer-events: none;
  border: 1px solid rgba(0, 180, 216, 0.3);
}

/* ==========================================================
   Global Footer
   ========================================================== */

.site-footer {
  background: linear-gradient(180deg, #041B30 0%, #02111E 100%);
  color: var(--color-slate-300);
  padding: 5rem 0 2rem;
  position: relative;
  border-top: 3px solid var(--color-cyan);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand-logo {
  height: 58px;
  width: auto;
  object-fit: contain;
  margin-bottom: 1.25rem;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1.35rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--color-cyan);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links-list a {
  color: var(--color-slate-400);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--color-cyan-glow);
  padding-left: 4px;
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.825rem;
  color: var(--color-slate-400);
}

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

.footer-bottom-legal a {
  color: var(--color-slate-400);
  transition: color var(--transition-fast);
}

.footer-bottom-legal a:hover {
  color: var(--color-cyan-glow);
}

.footer-bottom-legal .sep {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.7rem;
}

.footer-credit {
  font-size: 0.825rem;
  color: var(--color-slate-400);
}

.footer-credit a {
  color: var(--color-cyan-glow);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-credit a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-certifications-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.cert-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.725rem;
  color: var(--color-slate-300);
}

.table-responsive {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ==========================================================
   Restrained Hero Brand Card (Subtractive Redesign)
   ========================================================== */
.hero-brand-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 180, 216, 0.28);
  border-radius: var(--radius-xl);
  padding: 2.75rem 2.25rem;
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.15);
  text-align: center;
  position: relative;
  transition: border-color var(--transition-normal);
}

.hero-brand-card:hover {
  border-color: rgba(0, 229, 255, 0.5);
}

.hero-brand-emblem-wrap {
  width: 170px;
  height: 170px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-brand-emblem-wrap::before {
  content: '';
  position: absolute;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.35) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(20px);
  z-index: 0;
}

.hero-brand-emblem {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.35));
}

.hero-brand-subtitle {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-cyan-glow);
  margin-bottom: 0.35rem;
}

.hero-brand-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  color: var(--color-white);
  font-weight: 800;
  margin-bottom: 0.65rem;
  letter-spacing: -0.3px;
}

.hero-brand-caption {
  font-size: 0.875rem;
  color: var(--color-slate-300);
  line-height: 1.6;
  max-width: 360px;
  margin: 0 auto 1.5rem;
}

.hero-brand-tags {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.hero-brand-tags span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(4, 41, 75, 0.5);
  border: 1px solid rgba(0, 180, 216, 0.3);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-slate-200);
}

.hero-brand-tags span i {
  color: var(--color-cyan-glow);
}

/* ==========================================================
   Regular Supply Chemicals Clean Strip
   ========================================================== */
.regular-supply-strip {
  background: var(--color-white);
  border: 1.5px solid rgba(0, 180, 216, 0.28);
  border-radius: 16px;
  padding: 1.25rem 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.regular-supply-strip:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-cyan);
}

.regular-supply-lead {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.regular-supply-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(16, 185, 129, 0.12);
  color: #065F46;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.regular-supply-badge i {
  color: var(--color-eco-green);
}

.regular-supply-names {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: 0.2px;
}

.regular-supply-names span {
  color: var(--color-primary-dark);
}

/* ==========================================================
   Compact Horizontal Mobile Catalogue Strip
   ========================================================== */
.mobile-catalogue-strip {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: 16px;
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  box-shadow: var(--shadow-xs);
}

.mcc-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.mcc-qr-box {
  width: 76px;
  height: 76px;
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: 10px;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-xs);
}

.mcc-qr-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}