/* ==========================================================================
   BHUSHAN RUBBER INDUSTRIES - PRODUCTION STYLESHEET
   PREMIUM INDUSTRIAL SYSTEM INSPIRED BY VISCON RUBBER & ORIENTAL RUBBER
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Viscon-Style Industrial Color Palette */
  --bri-navy: #0F2438;          /* Viscon Deep Industrial Slate */
  --bri-dark: #0A1622;          /* Header & Contrast Slate */
  --bri-teal: #00A887;          /* Viscon Emerald Teal Accent */
  --bri-teal-hover: #008f72;
  --bri-cyan: #0099FF;          /* Oceanic Cyan */
  --bri-brick: #E25822;         /* Warm Engineering Brick Accent */
  --bri-slate: #334155;         /* Secondary Slate Text */
  --bri-muted: #64748B;         /* Dim Gray Captions */
  
  --white: #FFFFFF;
  --surface: #F8FAFC;          /* Clean Cool Off-White */
  --surface-alt: #F1F5F9;      /* Light Gray Tint */
  --border: #E2E8F0;           /* Subtle Clean Border */
  --border-teal: #99F6E4;      /* Soft Teal Accent Border */
  
  --text-dark: #0F2438;
  --text-muted: #475569;
  --text-dim: #64748B;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 36, 56, 0.05);
  --shadow-md: 0 4px 16px -2px rgba(15, 36, 56, 0.08), 0 2px 4px -1px rgba(15, 36, 56, 0.04);
  --shadow-lg: 0 12px 32px -4px rgba(15, 36, 56, 0.12), 0 4px 12px -2px rgba(15, 36, 56, 0.06);
  --shadow-teal: 0 8px 25px -4px rgba(0, 168, 135, 0.35);
  --shadow-card-hover: 0 20px 40px -10px rgba(15, 36, 56, 0.14), 0 0 0 1.5px #00A887;

  /* Transitions */
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}

body.nav-open {
  overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--bri-navy);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

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

.container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-teal {
  color: var(--bri-teal) !important;
}

/* ==========================================================================
   HEADER & NAVBAR (VISCON-STYLE CRISP WHITE STICKY NAVBAR)
   ========================================================================== */
header {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  border-bottom: 1.5px solid var(--border);
  box-shadow: 0 2px 14px rgba(15, 36, 56, 0.05);
  transition: var(--transition);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0.65rem 2.5rem;
  height: 84px;
}

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

.main-logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.nav-links li a {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--bri-navy);
  padding: 0.5rem 0.2rem;
  position: relative;
  letter-spacing: -0.01em;
}

.nav-links li a:hover,
.nav-links li a.active {
  color: var(--bri-teal);
}

.nav-links li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background: var(--bri-teal);
  border-radius: 2px;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.nav-item-has-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.dropdown-chevron {
  transition: transform 0.3s ease;
}

.nav-item-has-dropdown:hover .dropdown-chevron {
  transform: rotate(180deg);
}

.nav-mega-dropdown {
  display: none !important;
}

.mega-dropdown-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem 1.5rem;
}

.mega-col {
  display: flex;
  flex-direction: column;
}

.mega-col-title {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--bri-teal);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 1.5px solid #F1F5F9;
}

.mega-col a {
  color: var(--text-muted) !important;
  font-size: 0.88rem !important;
  font-weight: 500 !important;
  padding: 0.45rem 0 !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  transition: var(--transition) !important;
}

.mega-col a::after {
  display: none !important;
}

.mega-col a:hover {
  color: var(--bri-teal) !important;
  transform: translateX(4px);
}

.mega-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #CBD5E1;
  transition: var(--transition);
}

.mega-col a:hover .mega-dot {
  background: var(--bri-teal);
  box-shadow: 0 0 8px rgba(0, 168, 135, 0.6);
}

.mega-card {
  background: linear-gradient(135deg, #F0FDF9 0%, #E6FFFA 100%);
  border: 1px solid var(--border-teal);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mega-card h4 {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--bri-navy);
}

.mega-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.btn-mega-action {
  background: var(--bri-teal) !important;
  color: var(--white) !important;
  padding: 0.55rem 1rem !important;
  border-radius: 6px;
  font-size: 0.85rem !important;
  font-weight: 700 !important;
  text-align: center;
  box-shadow: var(--shadow-teal);
  justify-content: center;
}

.btn-mega-action:hover {
  background: var(--bri-teal-hover) !important;
  transform: translateY(-2px);
}

.mega-view-all-link {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 0.75rem !important;
  width: 100%;
  background: var(--bri-navy);
  color: var(--white) !important;
  font-size: 0.92rem !important;
  font-weight: 700 !important;
  padding: 0.75rem 1.1rem !important;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  transition: var(--transition) !important;
}

.mega-view-all-link::after {
  display: none !important;
}

.mega-view-all-link:hover {
  background: var(--bri-teal);
  transform: translateY(-2px);
}

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

.btn-quote-nav {
  background: linear-gradient(135deg, #00A887 0%, #008f72 100%);
  color: var(--white);
  padding: 0.72rem 1.6rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: var(--shadow-teal);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-quote-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -4px rgba(0, 168, 135, 0.45);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--bri-navy);
  border-radius: 8px;
  line-height: 0;
}

.mobile-menu-btn:focus-visible {
  outline: 2px solid var(--bri-teal);
  outline-offset: 3px;
}

/* ==========================================================================
   TOP FULLSCREEN HERO BANNER (VISCON-STYLE DYNAMIC CUT & CORNER PAPER OVERLAY)
   "sodler ban do oepr full screene nowt wit padidng... main picture ko sahi kro
    or detail ko opacity me corner me rakho"
   ========================================================================== */
.viscon-hero-section {
  position: relative;
  width: 100%;
  height: calc(100vh - 84px);
  height: calc(100svh - 84px);
  height: calc(100dvh - 84px);
  min-height: 600px;
  max-height: 820px;
  overflow: hidden;
  background: #0A1622;
}

.hero-slides-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: none;
  z-index: 1;
}

.hero-slide.active {
  display: flex;
  z-index: 2;
  animation: heroSlideFadeIn 0.5s ease-out forwards;
}

@keyframes heroSlideFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transform: scale(1.0);
  animation: heroKenBurns 25s ease-in-out infinite alternate;
}

@keyframes heroKenBurns {
  0% { transform: scale(1.0); }
  100% { transform: scale(1.06); }
}

.hero-vignette-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 160px;
  background: linear-gradient(to top, rgba(15, 36, 56, 0.45) 0%, transparent 100%);
  pointer-events: none;
  z-index: 2;
}

.hero-slide-container {
  position: relative;
  height: 100%;
  display: flex;
  align-items: flex-end;
  padding-bottom: 3.5rem;
  z-index: 5;
}

/* Sleek Corner Paper Glass Card with Opacity */
.hero-paper-overlay-card {
  max-width: 620px;
  background: rgba(255, 255, 255, 0.90);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1.5px solid rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  padding: 2.25rem 2.5rem;
  box-shadow: 0 30px 70px -15px rgba(10, 22, 34, 0.25), 0 0 0 1px rgba(0, 168, 135, 0.18);
  animation: slideCardEntrance 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideCardEntrance {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-card-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #E6FFFA;
  border: 1px solid var(--border-teal);
  color: #007A60;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.live-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00A887;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(0, 168, 135, 0.7);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 168, 135, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 168, 135, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 168, 135, 0); }
}

.hero-card-title {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--bri-navy);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.hero-card-tagline {
  font-size: 1.05rem;
  font-weight: 700;
  color: #0284C7;
  margin-bottom: 0.75rem;
}

.hero-card-description {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.35rem;
}

.hero-metrics-grid {
  display: flex;
  align-items: center;
  background: rgba(248, 250, 252, 0.85);
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.5rem;
}

.hero-metric-item {
  flex: 1;
  text-align: center;
}

.hero-metric-val {
  display: block;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--bri-navy);
  line-height: 1.2;
}

.hero-metric-lbl {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.hero-metric-divider {
  width: 1px;
  height: 32px;
  background: #CBD5E1;
  margin: 0 0.5rem;
}

.hero-card-cta-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-viscon-primary {
  background: linear-gradient(135deg, #00A887 0%, #008f72 100%);
  color: var(--white);
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: var(--shadow-teal);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-viscon-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -4px rgba(0, 168, 135, 0.45);
}

.btn-viscon-secondary {
  background: var(--white);
  color: var(--bri-navy);
  border: 1.5px solid #CBD5E1;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  transition: var(--transition);
}

.btn-viscon-secondary:hover {
  border-color: var(--bri-teal);
  color: var(--bri-teal);
  background: #F0FDF4;
}

/* Viscon-Style Circular Slide Navigation Arrows */
.viscon-slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(15, 36, 56, 0.65);
  backdrop-filter: blur(10px);
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  z-index: 15;
}

.viscon-slider-arrow.arrow-left {
  left: 2rem;
}

.viscon-slider-arrow.arrow-right {
  right: 2rem;
}

.viscon-slider-arrow:hover {
  background: var(--bri-teal);
  border-color: var(--bri-teal);
  transform: translateY(-50%) scale(1.12);
  box-shadow: 0 0 25px rgba(0, 168, 135, 0.6);
}

.hero-indicators {
  position: absolute;
  bottom: 1.5rem;
  right: 3.5rem;
  display: flex;
  gap: 8px;
  z-index: 15;
}

.hero-dot {
  width: 32px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--transition);
}

.hero-dot.active {
  background: var(--bri-teal);
  width: 48px;
}

/* ==========================================================================
   CONTINUOUS SHOWCASE REEL (SMOOTH INFINITE GLIDE)
   "slider bas dikhane ke liye hai... continue chalta rehta hai, speed sahi rakhi"
   ========================================================================== */
.continuous-showcase-section {
  padding: 3.5rem 0 4rem;
  background: #FFFFFF;
  border-bottom: 1.5px solid var(--border);
  overflow: hidden;
}

.showcase-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2rem;
}

.section-tag-pill {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--bri-teal);
  background: #E6FFFA;
  border: 1px solid var(--border-teal);
  padding: 5px 14px;
  border-radius: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.showcase-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--bri-navy);
  margin-bottom: 0.35rem;
}

.showcase-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.showcase-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #F8FAFC;
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--bri-navy);
}

.showcase-filmstrip-wrap {
  width: 100%;
  overflow: hidden;
  padding: 1rem 0 1.5rem;
  position: relative;
}

.showcase-filmstrip-wrap::before,
.showcase-filmstrip-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  width: 80px;
  height: 100%;
  z-index: 5;
  pointer-events: none;
}

.showcase-filmstrip-wrap::before {
  left: 0;
  background: linear-gradient(to right, #FFFFFF 0%, transparent 100%);
}

.showcase-filmstrip-wrap::after {
  right: 0;
  background: linear-gradient(to left, #FFFFFF 0%, transparent 100%);
}

.showcase-filmstrip-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation: continuousFilmstripGlide 38s linear infinite;
}

.showcase-filmstrip-wrap:hover .showcase-filmstrip-track {
  animation-play-state: paused;
}

@keyframes continuousFilmstripGlide {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.showcase-tile {
  width: 310px;
  flex-shrink: 0;
  background: #FFFFFF;
  border-radius: 14px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(15, 36, 56, 0.05);
  transition: var(--transition);
  cursor: pointer;
}

.showcase-tile:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 18px 36px -8px rgba(0, 168, 135, 0.22);
  border-color: var(--bri-teal);
}

.showcase-tile-img {
  position: relative;
  width: 100%;
  height: 190px;
  background: #F8FAFC;
  overflow: hidden;
}

.showcase-tile-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.showcase-tile:hover .showcase-tile-img img {
  transform: scale(1.08);
}

.tile-category-tag {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(15, 36, 56, 0.85);
  backdrop-filter: blur(8px);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 14px;
  letter-spacing: 0.3px;
}

.showcase-tile-info {
  padding: 1.1rem 1.25rem;
}

.showcase-tile-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--bri-navy);
  margin-bottom: 0.25rem;
}

.tile-compound {
  font-size: 0.8rem;
  color: var(--bri-teal);
  font-weight: 600;
}

/* ==========================================================================
   QUICK SEARCH SECTION
   ========================================================================== */
.quick-search-section {
  padding: 2.5rem 0;
  background: #F8FAFC;
  border-bottom: 1.5px solid var(--border);
}

.quick-search-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2.5rem;
}

.quick-search-info h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--bri-navy);
  margin-bottom: 0.25rem;
}

.quick-search-info p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.quick-search-box {
  position: relative;
  width: 500px;
  max-width: 100%;
}

.search-icon-svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.quick-search-input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 3rem;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 0.92rem;
  color: var(--text-dark);
  background: var(--white);
  transition: var(--transition);
}

.quick-search-input:focus {
  outline: none;
  border-color: var(--bri-teal);
  box-shadow: 0 0 0 3px rgba(0, 168, 135, 0.15);
}

.search-results-dropdown {
  position: absolute;
  top: 105%;
  left: 0;
  width: 100%;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 16px 36px -8px rgba(15, 36, 56, 0.15);
  display: none;
  z-index: 50;
  max-height: 380px;
  overflow-y: auto;
}

/* ==========================================================================
   VISCON-STYLE DEDICATED PRODUCT BLOCKS / CATALOG SECTION
   "prodoct block alag cheez hai, dono rahenge ok, detail sab niche milegi"
   ========================================================================== */
.viscon-products-block-section {
  padding: 5rem 0 6rem;
  background: #FFFFFF;
  border-bottom: 1.5px solid var(--border);
}

.section-center-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 3rem;
}

.viscon-section-title {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--bri-navy);
  margin-bottom: 0.6rem;
}

.viscon-section-subtitle {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Filter Tabs */
.product-filter-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.filter-tab-btn {
  background: #F1F5F9;
  color: var(--bri-slate);
  border: 1.5px solid transparent;
  border-radius: 30px;
  padding: 0.65rem 1.5rem;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-tab-btn:hover {
  background: #E2E8F0;
  color: var(--bri-navy);
}

.filter-tab-btn.active {
  background: var(--bri-navy);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(15, 36, 56, 0.25);
}

/* Product Catalog Grid (3 Columns) */
.product-catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.25rem;
}

.product-block-card {
  background: #FFFFFF;
  border: 1.5px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(15, 36, 56, 0.04);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.product-block-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 45px -10px rgba(15, 36, 56, 0.12), 0 0 0 1.5px var(--bri-teal);
  border-color: var(--bri-teal);
}

.block-card-media {
  position: relative;
  width: 100%;
  height: 230px;
  background: #F8FAFC;
  overflow: hidden;
}

.block-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-block-card:hover .block-card-media img {
  transform: scale(1.08);
}

.block-badge-pill {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(15, 36, 56, 0.88);
  backdrop-filter: blur(8px);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  letter-spacing: 0.4px;
}

.block-card-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.block-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.block-cat-name {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--bri-teal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.block-compound-tag {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 600;
}

.block-product-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--bri-navy);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.block-product-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.block-spec-chips {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.spec-chip {
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.78rem;
  color: var(--text-dark);
}

.spec-chip strong {
  color: var(--bri-navy);
}

.block-card-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1.2rem;
  border-top: 1px solid #F1F5F9;
}

.btn-block-spec {
  flex: 1.4;
  background: #F1F5F9;
  color: var(--bri-navy);
  border: 1px solid transparent;
  padding: 0.65rem 0.9rem;
  border-radius: 6px;
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: var(--transition-fast);
}

.btn-block-spec:hover {
  background: #E6FFFA;
  color: var(--bri-teal);
  border-color: var(--border-teal);
}

.btn-block-rfq {
  flex: 1;
  background: var(--bri-navy);
  color: var(--white);
  padding: 0.65rem 0.9rem;
  border-radius: 6px;
  font-size: 0.86rem;
  font-weight: 700;
  text-align: center;
  transition: var(--transition-fast);
}

.btn-block-rfq:hover {
  background: var(--bri-teal);
  box-shadow: var(--shadow-teal);
}

/* ==========================================================================
   VISCON-STYLE "WHY CHOOSE US?" 4 PILLARS FEATURE SECTION
   ========================================================================== */
.viscon-why-us-section {
  padding: 5.5rem 0;
  background: #F8FAFC;
  border-bottom: 1.5px solid var(--border);
}

.viscon-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.viscon-pillar-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 2.25rem 1.75rem;
  box-shadow: 0 4px 16px rgba(15, 36, 56, 0.04);
  text-align: center;
  transition: var(--transition);
}

.viscon-pillar-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -10px rgba(15, 36, 56, 0.1), 0 0 0 1.5px var(--bri-teal);
  border-color: var(--bri-teal);
}

.pillar-circle-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: #E6FFFA;
  color: var(--bri-teal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: var(--transition);
}

.viscon-pillar-card:hover .pillar-circle-icon {
  background: var(--bri-teal);
  color: var(--white);
  transform: rotateY(180deg);
  box-shadow: var(--shadow-teal);
}

.viscon-pillar-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--bri-navy);
  margin-bottom: 0.65rem;
}

.viscon-pillar-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   CHEMICAL & FLUID COMPATIBILITY REFERENCE TABLE
   ========================================================================== */
.compatibility-section {
  padding: 5rem 0;
  background: var(--white);
  border-bottom: 1.5px solid var(--border);
}

.compat-table-wrap {
  overflow-x: auto;
  border-radius: 14px;
  border: 1.5px solid var(--border);
  box-shadow: 0 4px 20px rgba(15, 36, 56, 0.04);
}

.compat-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.compat-table thead {
  background: var(--bri-navy);
  color: var(--white);
}

.compat-table th {
  padding: 1.1rem 1.25rem;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.compat-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}

.compat-table tbody tr:hover {
  background: #F8FAFC;
}

.compat-table td {
  padding: 1.1rem 1.25rem;
  color: var(--text-dark);
}

.grade-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 700;
}

.grade-excellent {
  background: #DCFCE7;
  color: #166534;
}

.grade-good {
  background: #E0F2FE;
  color: #0369A1;
}

.grade-fair {
  background: #FEF3C7;
  color: #92400E;
}

.grade-poor {
  background: #FEE2E2;
  color: #991B1B;
}

/* ==========================================================================
   6-STAGE MANUFACTURING & INFRASTRUCTURE PIPELINE
   ========================================================================== */
.infra-flow-section {
  padding: 5.5rem 0;
  background: #F8FAFC;
  border-bottom: 1.5px solid var(--border);
}

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

.flow-step-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  box-shadow: 0 4px 16px rgba(15, 36, 56, 0.04);
  transition: var(--transition);
}

.flow-step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px -8px rgba(15, 36, 56, 0.1), 0 0 0 1.5px var(--bri-teal);
  border-color: var(--bri-teal);
}

.step-num-badge {
  display: inline-block;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--bri-teal);
  margin-bottom: 0.75rem;
}

.flow-step-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--bri-navy);
  margin-bottom: 0.5rem;
}

.flow-step-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   OEM CUSTOMER LOGO MARQUEE SLIDER
   ========================================================================== */
.customers-marquee-section {
  padding: 4.5rem 0;
  background: var(--white);
  overflow: hidden;
}

.customers-marquee-wrap {
  width: 100%;
  overflow: hidden;
  position: relative;
  padding: 1rem 0;
}

.customers-marquee-wrap::before,
.customers-marquee-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  width: 120px;
  height: 100%;
  z-index: 5;
  pointer-events: none;
}

.customers-marquee-wrap::before {
  left: 0;
  background: linear-gradient(to right, #FFFFFF 0%, transparent 100%);
}

.customers-marquee-wrap::after {
  right: 0;
  background: linear-gradient(to left, #FFFFFF 0%, transparent 100%);
}

.customers-marquee-track {
  display: flex;
  align-items: center;
  gap: 3rem;
  width: max-content;
  animation: customersMarqueeScroll 30s linear infinite;
}

.customers-marquee-wrap:hover .customers-marquee-track {
  animation-play-state: paused;
}

@keyframes customersMarqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.customer-logo-item {
  width: 150px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.customer-logo-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.65;
  transition: var(--transition);
}

.customer-logo-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.1);
}

/* ==========================================================================
   FOOTER (CLEAN INDUSTRIAL - PRECISION POLYMER BRANDING)
   ========================================================================== */
footer {
  background: #0A1622;
  color: #94A3B8;
  padding: 3.2rem 0 1.5rem;
  border-top: 3px solid var(--bri-teal, #00B4D8);
  position: relative;
  overflow: hidden;
}

.footer-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.45fr 1fr 1fr 1.25fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

/* Footer Brand & Matching Header Logo */
.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  padding: 14px 20px;
  border-radius: 10px;
  margin-bottom: 1.4rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.28);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  text-decoration: none;
  width: 100%;
  max-width: 320px;
  box-sizing: border-box;
}

.footer-brand-logo:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 180, 216, 0.35);
}

.footer-brand-logo .main-logo-img,
.footer-brand-logo img {
  width: 100%;
  max-width: 280px;
  height: auto;
  max-height: 85px;
  object-fit: contain;
  display: block;
  transition: transform 0.3s ease;
}

.footer-brand-logo:hover .main-logo-img,
.footer-brand-logo:hover img {
  transform: scale(1.02);
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: #94A3B8;
  margin: 0 0 0.85rem;
}

.footer-certification {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0.35rem 0 1.25rem !important;
  padding: 6px 12px;
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.25);
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #38BDF8;
  letter-spacing: 0.3px;
}

.footer-certification span {
  opacity: 0.5;
}

.footer-trust-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
  margin-top: 0.5rem;
}

.footer-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 8px 8px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #CBD5E1;
  line-height: 1.25;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.footer-trust-item:hover {
  background: rgba(0, 180, 216, 0.08);
  border-color: rgba(0, 180, 216, 0.3);
}

.footer-trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--bri-teal, #00B4D8);
  flex-shrink: 0;
}

/* Footer Columns & Navigation */
.footer-col h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 1.25rem;
  position: relative;
  padding-bottom: 10px;
  letter-spacing: 0.2px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: var(--bri-teal, #00B4D8);
  border-radius: 2px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.45rem;
}

.footer-links a {
  color: #94A3B8;
  font-size: 0.88rem;
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-flex;
  align-items: center;
}

.footer-links a:hover {
  color: #38BDF8;
  transform: translateX(5px);
}

/* Direct Contact Column */
.footer-contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 0.65rem;
  font-size: 0.86rem;
  color: #94A3B8;
  align-items: flex-start;
  line-height: 1.45;
}

.footer-contact-item > div {
  min-width: 0;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--bri-teal, #00B4D8);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-item strong {
  color: #E2E8F0;
  font-size: 0.86rem;
  font-weight: 700;
  display: inline;
  margin-right: 4px;
}

.footer-contact-item a {
  color: #94A3B8;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-contact-item a:hover {
  color: #38BDF8;
  text-decoration: underline;
}

/* Footer Bottom Bar */
.footer-bottom {
  max-width: 1360px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #64748B;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  margin: 0;
}

.footer-motto {
  color: #94A3B8;
  font-style: italic;
  font-size: 0.85rem;
}

.footer-back-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #94A3B8;
  transition: all 0.25s ease;
  text-decoration: none;
}

.footer-back-top:hover {
  background: var(--bri-teal, #00B4D8);
  color: #0A1622;
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 180, 216, 0.3);
}

.footer-back-top svg {
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   TECHNICAL SPEC MODAL
   ========================================================================== */
.spec-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 22, 34, 0.75);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1.5rem;
}

.spec-modal-backdrop.active {
  display: flex;
}

.spec-modal-box {
  background: var(--white);
  border-radius: 18px;
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: 2.5rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
  border: 1.5px solid var(--border);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: #F1F5F9;
  border: none;
  font-size: 1.5rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bri-navy);
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--bri-navy);
  color: var(--white);
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 1100px) {
  .viscon-pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  /* 1. SINGLE LINE CLEAN NAVBAR */
  header {
    height: 64px;
    border-bottom: 1px solid var(--border);
  }
  nav {
    height: 64px;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }
  .logo-link {
    display: flex;
    align-items: center;
    max-width: 240px;
    flex-shrink: 0;
  }
  .main-logo-img {
    height: 38px;
    max-width: 220px;
    object-fit: contain;
  }
  /* Remove Request RFQ from top header in mobile view */
  .btn-quote-nav {
    display: none !important;
  }
  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    color: var(--bri-navy);
  }
  .nav-actions {
    gap: 0;
  }
  .nav-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    height: calc(100vh - 64px);
    height: calc(100svh - 64px);
    height: calc(100dvh - 64px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem 1.25rem 3rem;
    gap: 0.25rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    z-index: 999;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  }
  .nav-links.active {
    display: flex;
  }
  .nav-links > li {
    width: 100%;
    border-bottom: 1px solid var(--border);
  }
  .nav-links li a {
    font-size: 1.05rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.85rem 0.25rem;
  }
  .nav-links li a::after {
    display: none;
  }
  .nav-item-has-dropdown > .nav-dropdown-trigger .dropdown-chevron {
    transition: transform 0.3s ease;
  }
  .nav-item-has-dropdown.submenu-open > .nav-dropdown-trigger .dropdown-chevron {
    transform: rotate(180deg);
  }
  .nav-item-has-dropdown.submenu-open > .nav-dropdown-trigger {
    color: var(--bri-teal);
  }

  .nav-mega-dropdown {
    display: none !important;
  }
  .mega-view-all-link {
    margin: 0.75rem 0 1rem;
  }
  .mega-dropdown-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding-bottom: 1rem;
  }
  .mega-col-title {
    font-size: 0.72rem;
    letter-spacing: 0.8px;
  }
  .mega-col a {
    font-size: 0.92rem !important;
    padding: 0.55rem 0 !important;
  }
  .mega-card {
    padding: 1rem;
  }

  /* 2. FIX TOP HERO BANNER & IMAGE ON MOBILE */
  .viscon-hero-section {
    position: relative;
    width: 100%;
    height: calc(100vh - 64px);
    height: calc(100svh - 64px);
    height: calc(100dvh - 64px);
    min-height: 520px;
    max-height: 780px;
    overflow: hidden;
    background: #0A1622;
  }
  .hero-slides-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
  }
  .hero-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: flex-end;
  }
  .hero-slide.active {
    display: flex;
    animation: heroSlideFadeIn 0.5s ease-out forwards;
  }
  .hero-slide-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
  }
  .hero-vignette-bottom {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(10, 22, 34, 0.85) 0%, rgba(10, 22, 34, 0.35) 45%, transparent 75%);
    pointer-events: none;
    z-index: 2;
  }
  .hero-slide-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-end;
    padding: 0 1rem 2.5rem;
    z-index: 5;
  }
  .hero-paper-overlay-card {
    width: 100%;
    max-width: 100%;
    max-height: 100%;
    overflow-y: auto;
    padding: 1.25rem 1.15rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  }
  .hero-card-pill {
    padding: 4px 10px;
    font-size: 0.72rem;
    margin-bottom: 0.6rem;
  }
  .hero-card-title {
    font-size: 1.65rem;
    line-height: 1.15;
    margin-bottom: 0.25rem;
  }
  .hero-card-tagline {
    font-size: 0.86rem;
    margin-bottom: 0.45rem;
  }
  .hero-card-description {
    font-size: 0.8rem;
    line-height: 1.4;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .hero-metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    padding: 8px 10px;
    margin-bottom: 0.85rem;
  }
  .hero-metric-divider {
    display: none;
  }
  .hero-metric-val {
    font-size: 1rem;
  }
  .hero-metric-lbl {
    font-size: 0.65rem;
  }
  .hero-card-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
  }
  .btn-viscon-primary,
  .btn-viscon-secondary {
    flex: 1;
    padding: 0.65rem 0.5rem;
    font-size: 0.82rem;
    justify-content: center;
    text-align: center;
  }
  /* Hide intrusive arrows on mobile screens */
  .viscon-slider-arrow {
    display: none !important;
  }
  .hero-indicators {
    bottom: 0.75rem;
    right: 50%;
    transform: translateX(50%);
    gap: 6px;
  }
  .hero-dot {
    width: 20px;
    height: 4px;
  }
  .hero-dot.active {
    width: 32px;
  }

  /* 3. SHOWCASE REEL */
  .continuous-showcase-section {
    padding: 2.5rem 0 3rem;
  }
  .showcase-header-flex {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
  }
  .showcase-title {
    font-size: 1.6rem;
  }
  .showcase-subtitle {
    font-size: 0.88rem;
  }
  .showcase-status-badge {
    align-self: flex-start;
  }
  .showcase-tile {
    width: 260px;
  }
  .showcase-tile-img {
    height: 160px;
  }

  /* 4. PRODUCT CATALOG SECTION */
  .viscon-products-block-section {
    padding: 3.5rem 0 4rem;
  }
  .viscon-section-title {
    font-size: 1.75rem;
  }
  .viscon-section-subtitle {
    font-size: 0.9rem;
  }
  .product-filter-tabs {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding: 0.25rem 0 0.75rem;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-bottom: 2rem;
  }
  .product-filter-tabs::-webkit-scrollbar {
    display: none;
  }
  .filter-tab-btn {
    flex-shrink: 0;
    padding: 0.5rem 1rem;
    font-size: 0.82rem;
  }
  .product-catalog-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .block-card-actions {
    flex-direction: row;
    gap: 8px;
  }
  .btn-block-spec,
  .btn-block-rfq {
    padding: 0.6rem 0.5rem;
    font-size: 0.82rem;
  }

  /* 5. PROCESS & OTHER SECTIONS */
  .viscon-why-us-section {
    padding: 3.5rem 0;
  }
  .viscon-pillars-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .flow-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .compatibility-section {
    padding: 3.5rem 0;
  }
  .customers-marquee-section {
    padding: 3rem 0;
  }
  .quick-search-container {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  .quick-search-box {
    width: 100%;
  }
  footer {
    padding: 3.5rem 0 2rem;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
    padding-top: 1.5rem;
  }
}


/* ==========================================================================
   SUBPAGE SHARED & SPECIFIC STYLES (VISCON / ORIENTAL RUBBER AESTHETIC)
   ========================================================================== */

/* 1. SUBPAGE HERO BANNER */
.subpage-hero-banner {
  background: linear-gradient(135deg, #0A1622 0%, #0F2438 55%, #162E44 100%);
  padding: 4.5rem 0 4rem;
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--border-teal);
}

.subpage-hero-banner::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at 75% 25%, rgba(0, 168, 135, 0.16) 0%, transparent 65%);
  pointer-events: none;
}

.subpage-hero-content {
  position: relative;
  z-index: 2;
  max-width: 920px;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #94A3B8;
  margin-bottom: 1.25rem;
}

.breadcrumb-nav a {
  color: #94A3B8;
  transition: color 0.2s ease;
}

.breadcrumb-nav a:hover {
  color: var(--bri-teal);
}

.breadcrumb-nav span {
  color: #64748B;
}

.breadcrumb-nav .current-crumb {
  color: var(--bri-teal);
}

.subpage-hero-title {
  font-size: clamp(2.3rem, 4vw, 3.4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}

.subpage-hero-subtitle {
  font-size: 1.05rem;
  color: #CBD5E1;
  line-height: 1.65;
  max-width: 820px;
}

/* 2. SECTION UTILITIES */
.subpage-section {
  padding: 5rem 0;
  background: var(--white);
}

.subpage-section-alt {
  padding: 5rem 0;
  background: var(--surface);
  border-top: 1.5px solid var(--border);
  border-bottom: 1.5px solid var(--border);
}

/* 3. ABOUT US - FOUNDER & MILESTONES */
.founder-profile-card {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 3.5rem;
  align-items: center;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: 0 10px 30px rgba(15, 36, 56, 0.05);
  margin-bottom: 3.5rem;
}

.founder-info h2 {
  font-size: 2.3rem;
  font-weight: 900;
  color: var(--bri-navy);
  margin-bottom: 0.35rem;
}

.founder-role-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--bri-teal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1.25rem;
}

.founder-quote-box {
  background: #F0FDF9;
  border-left: 4px solid var(--bri-teal);
  padding: 1.25rem 1.5rem;
  border-radius: 0 12px 12px 0;
  font-size: 1.02rem;
  font-style: italic;
  color: #0F2438;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.founder-bio-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.founder-visual-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(15, 36, 56, 0.1);
  border: 1.5px solid var(--border);
  height: 100%;
  max-height: 480px;
}

.founder-visual-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.founder-stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.f-stat-item {
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 0.75rem;
  text-align: center;
}

.f-stat-num {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--bri-navy);
  display: block;
  line-height: 1.1;
  margin-bottom: 4px;
}

.f-stat-lbl {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* Timeline */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.timeline-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  box-shadow: 0 4px 16px rgba(15, 36, 56, 0.04);
  position: relative;
  transition: var(--transition);
}

.timeline-card:hover {
  transform: translateY(-6px);
  border-color: var(--bri-teal);
  box-shadow: 0 16px 36px -8px rgba(0, 168, 135, 0.2);
}

.timeline-year {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--bri-teal);
  margin-bottom: 0.5rem;
}

.timeline-card h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--bri-navy);
  margin-bottom: 0.5rem;
}

.timeline-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* 4. INFRASTRUCTURE - DUAL PLANTS MASTER GRID */
.plants-master-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.plant-master-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(15, 36, 56, 0.06);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.plant-master-card:hover {
  transform: translateY(-8px);
  border-color: var(--bri-teal);
  box-shadow: 0 20px 45px -10px rgba(15, 36, 56, 0.14);
}

.plant-card-hero-img {
  width: 100%;
  height: 270px;
  object-fit: cover;
  display: block;
  border-radius: 18px 18px 0 0;
}

.plant-card-body {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.plant-unit-badge {
  display: inline-block;
  background: #E6FFFA;
  border: 1px solid var(--border-teal);
  color: #007A60;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
  align-self: flex-start;
}

.plant-master-card h3 {
  font-size: 1.55rem;
  font-weight: 900;
  color: var(--bri-navy);
  margin-bottom: 0.35rem;
}

.plant-location-text {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.plant-location-text svg {
  flex-shrink: 0;
  margin-top: 4px;
}

.plant-desc-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.plant-specs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding-top: 1.25rem;
  border-top: 1px solid #F1F5F9;
  margin-top: auto;
}

.plant-specs-list li {
  font-size: 0.88rem;
  color: var(--bri-navy);
  font-weight: 600;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.plant-specs-list li svg {
  color: var(--bri-teal);
  flex-shrink: 0;
  margin-top: 4px;
}

/* Quality Testing Lab Grid */
.lab-tests-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.lab-test-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.lab-test-card:hover {
  transform: translateY(-6px);
  border-color: var(--bri-teal);
  box-shadow: 0 16px 36px -8px rgba(0, 168, 135, 0.2);
}

.lab-test-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: #E6FFFA;
  color: var(--bri-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.lab-test-card h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--bri-navy);
  margin-bottom: 0.4rem;
}

.lab-test-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1;
}

.lab-std-tag {
  display: inline-block;
  background: #F1F5F9;
  color: var(--bri-slate);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  align-self: flex-start;
}

/* 5. CONTACT US - LAYOUT GRID */
.contact-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.contact-layout-grid > * {
  min-width: 0;
}

.contact-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
}

.contact-info-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  display: flex;
  gap: 1.25rem;
  box-shadow: 0 4px 16px rgba(15, 36, 56, 0.04);
  transition: var(--transition);
  min-width: 0;
}

.contact-info-card:hover {
  border-color: var(--bri-teal);
  transform: translateX(4px);
  box-shadow: 0 10px 25px rgba(0, 168, 135, 0.12);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #E6FFFA;
  color: var(--bri-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card-body {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.contact-card-body h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--bri-navy);
  margin-bottom: 0.25rem;
}

.contact-card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.contact-card-body a {
  color: #0284C7;
  font-weight: 700;
  transition: color 0.2s;
}

.contact-card-body a:hover {
  color: var(--bri-teal);
}

/* RFQ Form Card */
.rfq-form-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 2.75rem;
  box-shadow: 0 12px 35px rgba(15, 36, 56, 0.07);
}

.rfq-form-card h3 {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--bri-navy);
  margin-bottom: 0.35rem;
}

.rfq-form-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

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

.form-field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 1.25rem;
}

.form-field-group label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--bri-navy);
}

.form-field-group input,
.form-field-group select,
.form-field-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--text-dark);
  background: var(--surface);
  transition: var(--transition-fast);
}

.form-field-group input:focus,
.form-field-group select:focus,
.form-field-group textarea:focus {
  outline: none;
  border-color: var(--bri-teal);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(0, 168, 135, 0.15);
}

.btn-submit-rfq {
  width: 100%;
  background: linear-gradient(135deg, #00A887 0%, #008f72 100%);
  color: var(--white);
  border: none;
  padding: 1rem;
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: var(--shadow-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-submit-rfq:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 168, 135, 0.45);
}

.form-success-banner {
  display: none;
  background: #DCFCE7;
  border: 1.5px solid #86EFAC;
  color: #166534;
  padding: 1.25rem;
  border-radius: 10px;
  font-weight: 700;
  text-align: center;
  margin-top: 1rem;
}

/* 6. SUBPAGE RESPONSIVE RULES */
@media (max-width: 1024px) {
  .plants-master-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .founder-profile-card {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2.25rem;
  }
  .timeline-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  .lab-tests-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-layout-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .subpage-hero-banner {
    padding: 3rem 0 2.5rem;
  }
  .subpage-hero-title {
    font-size: 1.85rem;
  }
  .subpage-hero-subtitle {
    font-size: 0.95rem;
  }
  .founder-profile-card {
    padding: 1.5rem;
  }
  .founder-info h2 {
    font-size: 1.75rem;
  }
  .founder-stats-strip {
    grid-template-columns: 1fr 1fr;
  }
  .timeline-grid {
    grid-template-columns: 1fr;
  }
  .lab-tests-grid {
    grid-template-columns: 1fr;
  }
  .rfq-form-card {
    padding: 1.5rem;
  }
  .form-grid-row {
    grid-template-columns: 1fr;
  }
  .plant-card-body {
    padding: 1.5rem;
  }
  .plant-card-hero-img {
    height: 220px;
  }
}

/* ==========================================================================
   RESPONSIVE SYSTEM - CROSS-PAGE REFINEMENTS (ALL 6 PAGES)
   ========================================================================== */

/* 0. FLEX/GRID SAFETY NET - let long words shrink instead of forcing overflow */
.rfq-form-card,
.footer-col,
.footer-brand,
.plant-master-card,
.plant-card-body,
.block-card-content,
.flow-step-card,
.lab-test-card,
.timeline-card,
.founder-info,
.founder-profile-card,
.quick-search-info,
.quick-search-container,
.showcase-tile-info,
.compat-table-wrap > * {
  min-width: 0;
}

/* 0b. CARD GRIDS - KEEP TWO COLUMNS ON TABLETS, COLLAPSE ON PHONES */
@media (max-width: 900px) {
  .product-catalog-grid,
  .viscon-pillars-grid,
  .flow-grid,
  .lab-tests-grid,
  .timeline-grid,
  .plants-master-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  .block-card-content {
    padding: 1.35rem;
  }
  .viscon-pillar-card {
    padding: 1.75rem 1.35rem;
  }
  .flow-step-card,
  .lab-test-card,
  .timeline-card {
    padding: 1.5rem 1.25rem;
  }
  .plant-card-body {
    padding: 1.5rem;
  }
}

@media (max-width: 700px) {
  .product-catalog-grid,
  .viscon-pillars-grid,
  .flow-grid,
  .lab-tests-grid,
  .timeline-grid,
  .plants-master-grid {
    grid-template-columns: 1fr;
  }
}

/* A. NAVBAR DENSITY - SMALL LAPTOPS & LANDSCAPE TABLETS */
@media (max-width: 1240px) {
  nav {
    padding: 0.65rem 1.75rem;
  }
  .nav-links {
    gap: 1.5rem;
  }
  .nav-links li a {
    font-size: 0.9rem;
  }
  .btn-quote-nav {
    padding: 0.68rem 1.25rem;
    font-size: 0.88rem;
  }
  .nav-mega-dropdown {
    padding: 1.6rem;
  }
  .mega-col a {
    font-size: 0.85rem !important;
  }
  .mega-card {
    padding: 1.1rem;
  }
}

@media (max-width: 1100px) {
  .container {
    padding: 0 1.25rem;
  }
  nav {
    padding: 0.6rem 1.25rem;
  }
  .main-logo-img {
    height: 48px;
  }
  .nav-links {
    gap: 1.15rem;
  }
  .nav-links li a {
    font-size: 0.85rem;
  }
  .btn-quote-nav {
    padding: 0.62rem 1.05rem;
    font-size: 0.83rem;
  }
  .nav-mega-dropdown {
    width: min(880px, calc(100vw - 2rem));
    max-height: calc(100vh - 100px);
    max-height: calc(100dvh - 100px);
  }
  .showcase-tile {
    width: 280px;
  }
  .showcase-filmstrip-wrap::before,
  .showcase-filmstrip-wrap::after {
    width: 40px;
  }
  .customers-marquee-track {
    gap: 2rem;
  }
  .customers-marquee-wrap::before,
  .customers-marquee-wrap::after {
    width: 60px;
  }
  .block-card-media {
    height: 210px;
  }
  .compat-table th,
  .compat-table td {
    padding: 0.85rem 0.9rem;
    font-size: 0.84rem;
  }
  .compat-table th {
    font-size: 0.78rem;
    letter-spacing: 0.3px;
  }
}

/* B. TABLET PORTRAIT - SHARED SUBPAGE LAYOUTS */
@media (max-width: 1024px) {
  .subpage-hero-banner {
    padding: 3.5rem 0 3rem;
  }
  .subpage-section,
  .subpage-section-alt {
    padding: 3.5rem 0;
  }
  .contact-layout-grid {
    gap: 2rem;
  }
  .rfq-form-card {
    padding: 2rem;
  }
  .timeline-grid,
  .lab-tests-grid {
    gap: 1.25rem;
  }
}

/* C. SMALL PHONES */
@media (max-width: 640px) {
  .container {
    padding: 0 1rem;
  }
  html {
    scroll-padding-top: 74px;
  }

  /* Navbar */
  .main-logo-img {
    height: 34px;
    max-width: 190px;
  }
  .mobile-menu-btn {
    padding: 4px;
  }
  .nav-links {
    padding: 1rem 1rem 2.5rem;
  }

  /* Hero */
  .viscon-hero-section {
    min-height: 480px;
    max-height: 700px;
  }
  .hero-slide-container {
    padding: 0 1rem 3.25rem;
  }
  .hero-card-title {
    font-size: 1.45rem;
  }
  .hero-card-tagline {
    font-size: 0.8rem;
  }
  .hero-card-description {
    font-size: 0.78rem;
  }
  .hero-metric-val {
    font-size: 0.92rem;
  }
  .hero-metric-lbl {
    font-size: 0.6rem;
    letter-spacing: 0.2px;
  }

  /* Sections */
  .viscon-section-title {
    font-size: 1.5rem;
  }
  .viscon-section-subtitle {
    font-size: 0.86rem;
  }
  .section-center-head {
    margin-bottom: 2rem;
  }
  .viscon-products-block-section,
  .viscon-why-us-section,
  .infra-flow-section,
  .compatibility-section,
  .subpage-section,
  .subpage-section-alt {
    padding: 2.75rem 0;
  }
  .product-filter-tabs {
    margin-bottom: 1.5rem;
  }

  /* Cards */
  .block-card-content,
  .flow-step-card,
  .lab-test-card,
  .contact-info-card {
    padding: 1.25rem;
  }
  .block-product-name {
    font-size: 1.1rem;
  }
  .block-spec-chips {
    gap: 0.4rem;
  }
  .spec-chip {
    padding: 6px 8px;
    font-size: 0.72rem;
  }
  .viscon-pillar-card {
    padding: 1.5rem 1.25rem;
  }
  .pillar-circle-icon {
    width: 58px;
    height: 58px;
  }
  .flow-step-card,
  .timeline-card {
    padding: 1.35rem 1.15rem;
  }
  .contact-info-card {
    gap: 0.9rem;
  }
  .contact-card-icon {
    width: 40px;
    height: 40px;
  }
  .plant-card-body {
    padding: 1.25rem;
  }
  .plant-card-hero-img {
    height: 180px;
  }
  .showcase-tile {
    width: 230px;
  }
  .showcase-tile-img {
    height: 140px;
  }
  .showcase-tile-info {
    padding: 0.9rem 1rem;
  }

  /* Subpage hero + breadcrumbs */
  .subpage-hero-banner {
    padding: 2.5rem 0 2rem;
  }
  .subpage-hero-title {
    font-size: 1.7rem;
  }
  .subpage-hero-subtitle {
    font-size: 0.88rem;
  }
  .breadcrumb-nav {
    flex-wrap: wrap;
    font-size: 0.78rem;
    margin-bottom: 0.85rem;
  }

  /* Founder block */
  .founder-profile-card {
    padding: 1.15rem;
    gap: 1.5rem;
    margin-bottom: 2rem;
  }
  .founder-info h2 {
    font-size: 1.45rem;
  }
  .founder-quote-box {
    font-size: 0.9rem;
    padding: 1rem;
  }
  .founder-bio-text {
    font-size: 0.87rem;
  }
  .founder-stats-strip {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
  .f-stat-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    padding: 0.75rem 0.9rem;
  }
  .f-stat-num {
    font-size: 1.2rem;
    margin-bottom: 0;
  }

  /* Forms */
  .rfq-form-card {
    padding: 1.15rem;
  }
  .rfq-form-card h3 {
    font-size: 1.4rem;
  }
  .form-field-group input,
  .form-field-group select,
  .form-field-group textarea {
    font-size: 16px;
    padding: 0.8rem 0.9rem;
  }
  .btn-submit-rfq {
    font-size: 0.98rem;
    padding: 0.9rem;
  }

  /* Footer */
  footer {
    padding: 2.75rem 0 1.5rem;
  }
  .footer-container {
    gap: 1.75rem;
  }
  .footer-bottom {
    font-size: 0.78rem;
  }
}

/* D. EXTRA SMALL PHONES */
@media (max-width: 420px) {
  .container {
    padding: 0 0.8rem;
  }
  .main-logo-img {
    height: 30px;
    max-width: 160px;
  }
  .hero-card-title {
    font-size: 1.3rem;
  }
  .hero-card-pill {
    font-size: 0.66rem;
  }
  .hero-metrics-grid {
    padding: 6px 8px;
  }
  .btn-viscon-primary,
  .btn-viscon-secondary {
    padding: 0.6rem 0.4rem;
    font-size: 0.76rem;
  }
  .viscon-section-title,
  .showcase-title {
    font-size: 1.45rem;
  }
  .subpage-hero-title {
    font-size: 1.5rem;
  }
  .block-spec-chips {
    grid-template-columns: 1fr;
  }
  .block-card-actions {
    flex-direction: column;
  }
  .btn-block-spec,
  .btn-block-rfq {
    width: 100%;
  }
  .showcase-tile {
    width: 200px;
  }
  .showcase-tile-img {
    height: 120px;
  }
  .showcase-tile-info h4 {
    font-size: 0.95rem;
  }
  .filter-tab-btn {
    padding: 0.45rem 0.85rem;
    font-size: 0.78rem;
  }
  .customer-logo-item {
    width: 118px;
    height: 50px;
  }
}

/* E. WIDE TABLETS IN LANDSCAPE / SHORT SCREENS */
@media (max-height: 560px) and (orientation: landscape) {
  .viscon-hero-section {
    height: calc(100vh - 64px);
    height: calc(100dvh - 64px);
    min-height: 320px;
    max-height: 100dvh;
  }
  .hero-paper-overlay-card {
    padding: 1rem 1.1rem;
    max-height: 100%;
    overflow-y: auto;
  }
  .hero-card-description {
    display: none;
  }
  .hero-metrics-grid {
    margin-bottom: 0.85rem;
  }
  .hero-slide-container {
    padding-bottom: 3rem;
  }
}

/* F. DATA TABLES - HORIZONTAL SCROLL WITH PINNED FIRST COLUMN */
.compat-table-wrap {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  position: relative;
}

.compat-table {
  min-width: 780px;
}

.compat-table tbody tr:nth-child(even) {
  background: #FCFDFE;
}

.compat-table tbody tr:nth-child(even):hover {
  background: #F8FAFC;
}

@media (max-width: 900px) {
  .compat-table-wrap::after {
    content: 'Swipe horizontally to view all columns';
    display: block;
    padding: 0.75rem 1rem;
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--text-dim);
    background: var(--surface);
    border-top: 1px solid var(--border);
    text-align: center;
    letter-spacing: 0.3px;
  }
  .compat-table th,
  .compat-table td {
    padding: 0.75rem 0.7rem;
    font-size: 0.8rem;
  }
  .compat-table th {
    font-size: 0.72rem;
    letter-spacing: 0.2px;
  }
  .compat-table th:first-child,
  .compat-table td:first-child {
    position: sticky;
    left: 0;
    z-index: 2;
    background: var(--white);
    box-shadow: 4px 0 8px -6px rgba(15, 36, 56, 0.25);
  }
  .compat-table thead th:first-child {
    background: var(--bri-navy);
    z-index: 3;
  }
  .compat-table tbody tr:nth-child(even) td:first-child {
    background: #FCFDFE;
  }
  .compat-table tbody tr:hover td:first-child {
    background: #F8FAFC;
  }
  .grade-pill {
    font-size: 0.72rem;
    padding: 4px 8px;
  }
}

/* G. SEARCH RESULTS DROPDOWN */
.search-results-dropdown {
  display: none;
}

.search-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #F1F5F9;
  cursor: pointer;
  transition: background 0.2s ease;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover,
.search-result-item:focus-visible {
  background: #F0FDF9;
  outline: none;
}

.search-result-title {
  font-weight: 700;
  color: var(--bri-navy);
  font-size: 0.92rem;
}

.search-result-compound {
  font-size: 0.78rem;
  color: var(--bri-teal);
  margin-top: 2px;
}

.search-result-cat {
  font-size: 0.72rem;
  background: #E6FFFA;
  color: #007A60;
  padding: 4px 9px;
  border-radius: 4px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.search-result-empty {
  padding: 1rem;
  text-align: center;
  color: var(--bri-muted);
  font-size: 0.88rem;
}

.search-result-empty a {
  color: var(--bri-teal);
  font-weight: 700;
}

@media (max-width: 640px) {
  .search-results-dropdown {
    max-height: 60vh;
    max-height: 60dvh;
  }
  .search-result-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
  .search-result-cat {
    align-self: flex-start;
  }
  .search-icon-svg {
    left: 0.85rem;
  }
  .quick-search-input {
    padding-left: 2.75rem;
  }
}

/* H. TECHNICAL SPEC MODAL */
.spec-modal-box {
  max-height: 90vh;
  max-height: 90dvh;
}

.spec-modal-title {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--bri-navy);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.spec-modal-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.spec-spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.75rem;
  display: block;
  overflow-x: auto;
}

.spec-spec-table .spec-label {
  padding: 0.6rem 0.75rem;
  font-weight: 700;
  color: var(--bri-navy);
  width: 38%;
  min-width: 130px;
  font-size: 0.85rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.spec-spec-table .spec-value {
  padding: 0.6rem 0.75rem;
  color: var(--bri-slate);
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.spec-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.spec-modal-cta {
  background: var(--bri-teal);
  color: var(--white);
  padding: 0.75rem 1.4rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-teal);
  text-align: center;
}

.spec-modal-close-btn {
  background: #F1F5F9;
  color: var(--bri-navy);
  border: none;
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  font-family: inherit;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 640px) {
  .spec-modal-backdrop {
    padding: 0.75rem;
    align-items: flex-end;
  }
  .spec-modal-box {
    padding: 1.25rem;
    border-radius: 16px;
    max-height: 88vh;
    max-height: 88dvh;
  }
  .spec-modal-title {
    font-size: 1.25rem;
  }
  .spec-modal-desc {
    font-size: 0.85rem;
  }
  .spec-spec-table .spec-label {
    width: 45%;
    min-width: 110px;
    font-size: 0.8rem;
  }
  .spec-spec-table .spec-value {
    font-size: 0.8rem;
  }
  .spec-modal-actions {
    flex-direction: column;
    gap: 0.6rem;
  }
  .spec-modal-cta,
  .spec-modal-close-btn {
    width: 100%;
  }
  .modal-close-btn {
    top: 0.75rem;
    right: 0.75rem;
    width: 32px;
    height: 32px;
    font-size: 1.25rem;
  }
}

/* I. TOUCH DEVICES - DISABLE HOVER-ONLY LIFT EFFECTS */
@media (hover: none) {
  .product-block-card:hover,
  .viscon-pillar-card:hover,
  .flow-step-card:hover,
  .timeline-card:hover,
  .plant-master-card:hover,
  .lab-test-card:hover,
  .showcase-tile:hover,
  .btn-block-spec:hover,
  .btn-mega-action:hover,
  .btn-quote-nav:hover,
  .btn-viscon-primary:hover,
  .btn-submit-rfq:hover,
  .spec-modal-cta:hover,
  .mega-view-all-link:hover {
    transform: none;
  }
  .contact-info-card:hover {
    transform: none;
  }
  .contact-info-card:hover,
  .viscon-pillar-card:hover,
  .product-block-card:hover {
    box-shadow: 0 4px 16px rgba(15, 36, 56, 0.04);
  }
  .footer-links a:hover {
    transform: none;
  }
  .mega-col a:hover {
    transform: none;
  }
  .customer-logo-item:hover img {
    transform: none;
    filter: grayscale(100%);
    opacity: 0.65;
  }
  .showcase-tile:hover .showcase-tile-img img,
  .product-block-card:hover .block-card-media img {
    transform: none;
  }
}

/* J. REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .showcase-filmstrip-track,
  .customers-marquee-track {
    animation: none;
  }
}