/* ==========================================================================
   Vaishno Fiber Glass Industries - Corporate Website Design System
   Brand Colors: Industrial Orange (#E86315), Deep Steel Teal (#0D3B54),
                 Cool Ice Sky (#E0F2FE, #0284C7), Dark Slate (#0F172A)
   ========================================================================== */

:root {
  --primary: #E86315;
  --primary-hover: #D0530D;
  --primary-light: #FFF4EC;
  --primary-gradient: linear-gradient(135deg, #F16521 0%, #D0530D 100%);
  
  --secondary: #0D3B54;
  --secondary-hover: #072535;
  --secondary-light: #F0F7FA;
  --secondary-gradient: linear-gradient(135deg, #0D3B54 0%, #051B28 100%);
  
  --accent: #0284C7;
  --accent-light: #E0F2FE;
  
  --dark: #0F172A;
  --dark-text: #1E293B;
  --muted-text: #64748B;
  --light-bg: #F8FAFC;
  --white: #FFFFFF;
  --border: #E2E8F0;
  --border-light: #F1F5F9;
  
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 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 25px -3px rgba(13, 59, 84, 0.1), 0 4px 10px -2px rgba(13, 59, 84, 0.05);
  --shadow-xl: 0 20px 30px -5px rgba(13, 59, 84, 0.15), 0 10px 15px -5px rgba(13, 59, 84, 0.08);
  --shadow-orange: 0 8px 20px -3px rgba(232, 99, 21, 0.35);

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

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

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

body {
  font-family: var(--font-body);
  color: var(--dark-text);
  background-color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  overflow-wrap: break-word;
  word-break: break-word;
}

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

a[href^="mailto:"],
a[href^="tel:"],
.contact-info-panel a,
.footer-links a,
.footer-links p {
  overflow-wrap: break-word;
  word-break: break-all;
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--dark);
  font-weight: 700;
  line-height: 1.25;
}

/* ==========================================================================
   Layout Containers & Utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.container-wide {
  width: 100%;
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section-padding {
  padding: 5rem 0;
}

.section-padding-sm {
  padding: 3rem 0;
}

.bg-light {
  background-color: var(--light-bg);
}

.bg-secondary {
  background: var(--secondary-gradient);
  color: var(--white);
}

.bg-primary {
  background: var(--primary-gradient);
  color: var(--white);
}

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

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

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

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

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

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

.font-bold {
  font-weight: 700;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */

.section-header {
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  background-color: var(--primary-light);
  padding: 0.35rem 0.875rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-tag.tag-white {
  background-color: rgba(255, 255, 255, 0.15);
  color: #FFE1CC;
}

.section-title {
  font-size: 2.25rem;
  color: var(--dark);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--muted-text);
  max-width: 680px;
  margin: 0 auto;
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.625rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(232, 99, 21, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232, 99, 21, 0.45);
  color: var(--white);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--white);
}

.btn-secondary:hover {
  background: var(--secondary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--white);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}

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

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

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

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1.0625rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.badge-iso {
  background: #E86315;
  color: #FFF;
  letter-spacing: 0.05em;
}

.badge-flagship {
  background: #0284C7;
  color: #FFF;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.top-bar {
  background: var(--secondary);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8125rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.top-contacts {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-contact-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-contact-item svg {
  color: var(--primary);
}

.top-right-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.header-main {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header-main.is-scrolled {
  box-shadow: var(--shadow-md);
  padding: 0.25rem 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  box-sizing: border-box;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

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

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--dark-text);
  padding: 0.5rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--transition-fast);
}

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

.nav-link svg {
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link svg {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
  padding: 0.625rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 100;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--dark-text);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--primary-light);
  color: var(--primary);
  padding-left: 1.5rem;
}

.dropdown-item-desc {
  font-size: 0.75rem;
  color: var(--muted-text);
  display: block;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark);
  cursor: pointer;
  padding: 0.5rem;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 320px;
  height: 100vh;
  background: var(--white);
  box-shadow: var(--shadow-xl);
  z-index: 2000;
  padding: 1.5rem;
  overflow-y: auto;
  transition: right var(--transition-normal);
}

.mobile-drawer.is-open {
  right: 0;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.drawer-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

.drawer-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--border-light);
  display: block;
}

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

.hero-slider {
  position: relative;
  height: 580px;
  background: var(--dark);
  color: var(--white);
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
  display: flex;
  align-items: center;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 6s ease-out;
}

.hero-slide.active .hero-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13, 59, 84, 0.94) 0%, rgba(13, 59, 84, 0.78) 55%, rgba(13, 59, 84, 0.45) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 740px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(232, 99, 21, 0.25);
  border: 1px solid rgba(232, 99, 21, 0.5);
  color: #FFB380;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  backdrop-filter: blur(4px);
}

.hero-title {
  font-size: 3rem;
  color: var(--white);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero-title span {
  color: #FF944D;
  background: linear-gradient(135deg, #FFB380 0%, #F16521 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Slider Controls */
.slider-controls {
  position: absolute;
  bottom: 2rem;
  left: 0;
  right: 0;
  z-index: 10;
}

.slider-controls-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slider-dots {
  display: flex;
  gap: 0.5rem;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-dot.active {
  width: 32px;
  border-radius: var(--radius-full);
  background: var(--primary);
}

.slider-nav-btns {
  display: flex;
  gap: 0.5rem;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: all var(--transition-fast);
}

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

/* ==========================================================================
   Stats Bar
   ========================================================================== */

.stats-bar {
  background: var(--secondary);
  color: var(--white);
  padding: 2.25rem 0;
  border-bottom: 3px solid var(--primary);
}

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

.stat-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  padding-right: 1.5rem;
}

.stat-item:last-child {
  border-right: none;
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(232, 99, 21, 0.15);
  border: 1px solid rgba(232, 99, 21, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.875rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--white);
}

.stat-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.75);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}

/* ==========================================================================
   Product Cards & Grid
   ========================================================================== */

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

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

.product-vertical-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(232, 99, 21, 0.3);
}

.card-image-wrap {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: #E2E8F0;
}

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

.product-vertical-card:hover .card-image-wrap img {
  transform: scale(1.08);
}

.card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
}

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

.card-title {
  font-size: 1.375rem;
  color: var(--dark);
  margin-bottom: 0.75rem;
}

.card-desc {
  font-size: 0.9375rem;
  color: var(--muted-text);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-features {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.card-feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--dark-text);
}

.card-feature-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

.card-footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ==========================================================================
   Interactive Tabs & Filter Grid
   ========================================================================== */

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--white);
  color: var(--dark-text);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(232, 99, 21, 0.3);
}

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

.catalog-item {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.catalog-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.catalog-thumb {
  height: 210px;
  overflow: hidden;
  position: relative;
}

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

.catalog-item:hover .catalog-thumb img {
  transform: scale(1.05);
}

.catalog-details {
  padding: 1.25rem;
}

.catalog-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

.catalog-name {
  font-size: 1.125rem;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.catalog-specs-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.spec-chip {
  font-size: 0.75rem;
  background: var(--light-bg);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  color: var(--muted-text);
  border: 1px solid var(--border-light);
}

/* ==========================================================================
   Comparison Table (Catalog Page 6 Feature Matrix)
   ========================================================================== */

.comparison-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  background: var(--white);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 780px;
}

.comparison-table th {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--secondary);
  color: var(--white);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-table th.highlight {
  background: var(--primary);
  color: var(--white);
}

.comparison-table td {
  padding: 1.25rem 1.5rem;
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  vertical-align: top;
}

.comparison-table td.feature-title {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--dark);
  background: #F8FAFC;
}

.comparison-table td.highlight {
  background: #FFF9F5;
  font-weight: 600;
  color: var(--dark-text);
}

.comparison-table tr:hover td {
  background-color: #F1F5F9;
}

.comparison-table tr:hover td.highlight {
  background-color: #FFF2E8;
}

/* ==========================================================================
   Specifications Table
   ========================================================================== */

.spec-table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.spec-table th {
  background: var(--secondary);
  color: var(--white);
  padding: 0.875rem 1.25rem;
  font-weight: 600;
}

.spec-table td {
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.spec-table tr:nth-child(even) td {
  background-color: var(--light-bg);
}

/* ==========================================================================
   Why Choose Us / Features Grid
   ========================================================================== */

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

.feature-box {
  background: var(--white);
  padding: 2.25rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
}

.feature-box:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.feature-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
}

.feature-box-title {
  font-size: 1.25rem;
  color: var(--dark);
  margin-bottom: 0.75rem;
}

.feature-box-desc {
  font-size: 0.9375rem;
  color: var(--muted-text);
  line-height: 1.6;
}

/* ==========================================================================
   Applications Grid & Showcase
   ========================================================================== */

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

.app-card {
  position: relative;
  height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

.app-card:hover img {
  transform: scale(1.1);
}

.app-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(13, 59, 84, 0.95) 0%, rgba(13, 59, 84, 0.3) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: var(--white);
}

.app-title {
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: 0.35rem;
}

.app-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   Pattern Gallery
   ========================================================================== */

.pattern-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.pattern-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.pattern-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pattern-img-wrap {
  height: 180px;
  overflow: hidden;
  background: #f1f5f9;
}

.pattern-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pattern-title {
  padding: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark-text);
}

/* ==========================================================================
   CTA & Banner Sections
   ========================================================================== */

.cta-banner {
  background: var(--secondary-gradient);
  color: var(--white);
  padding: 4.5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(232, 99, 21, 0.12);
  pointer-events: none;
}

.cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.cta-content {
  max-width: 680px;
}

.cta-title {
  font-size: 2.25rem;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.cta-desc {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
}

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

/* ==========================================================================
   Locations & Contact
   ========================================================================== */

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

.location-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.location-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.location-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  width: fit-content;
}

.location-name {
  font-size: 1.25rem;
  color: var(--dark);
  margin-bottom: 0.75rem;
}

.location-address {
  font-size: 0.9375rem;
  color: var(--muted-text);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.location-phones {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.location-phone-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--secondary);
}

.location-phone-link:hover {
  color: var(--primary);
}

/* Contact Page Form */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 3rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.contact-layout > * {
  min-width: 0;
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

.contact-info-panel {
  background: var(--secondary);
  color: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}

.contact-info-panel h3 {
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.form-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}

.form-group {
  margin-bottom: 1.25rem;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--dark-text);
  box-sizing: border-box;
  transition: border-color var(--transition-fast);
}

select.form-control {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232, 99, 21, 0.15);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.form-row > * {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

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

.footer-main {
  background: #091E2C;
  color: rgba(255, 255, 255, 0.75);
  padding-top: 5rem;
  border-top: 4px solid var(--primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand img {
  height: 48px;
  width: auto;
  object-fit: contain;
  margin-bottom: 1.25rem;
}

.footer-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--white);
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

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

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary);
  padding-left: 0.35rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem 0;
  font-size: 0.875rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   Floating Action Button / WhatsApp Bar
   ========================================================================== */

.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  background: #25D366;
  color: #FFF;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-normal);
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
  color: #FFF;
}

/* Modal Popup */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 580px;
  width: 100%;
  padding: 2.25rem;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--muted-text);
}

/* ==========================================================================
   Page Headers (Inner Pages)
   ========================================================================== */

.page-header {
  background: var(--secondary-gradient);
  color: var(--white);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.page-header::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 30%;
  background: radial-gradient(circle, rgba(232, 99, 21, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb-list a:hover {
  color: var(--primary);
}

.page-header-title {
  font-size: 2.75rem;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.page-header-desc {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 700px;
}

/* ==========================================================================
   About Page & Inner Layout Grids
   ========================================================================== */

/* ==========================================================================
   About Page & Inner Layout Grids
   ========================================================================== */

.about-intro-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.about-image-card {
  position: relative;
  height: 680px;
  max-height: 600px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
}

.about-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.clear-tuff-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.clear-tuff-image-wrap {
  height: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.clear-tuff-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.clear-tuff-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

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

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

.quality-policy-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border-left: 6px solid var(--primary);
}

/* Applications Page Sectors */
.app-sector-grid {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

.app-sector-card {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: start;
}

.app-sector-card.reverse {
  grid-template-columns: 1fr 1.15fr;
}

.app-sector-image {
  height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.app-sector-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 992px) {
  .about-intro-grid,
  .clear-tuff-grid,
  .infrastructure-grid,
  .app-sector-card,
  .app-sector-card.reverse {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about-image-card {
    height: 260px;
  }
  .clear-tuff-image-wrap,
  .app-sector-image {
    height: 240px;
  }
  .vision-mission-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 576px) {
  .clear-tuff-features {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.35rem;
  }
  .product-verticals-grid,
  .features-grid,
  .app-grid,
  .location-grid,
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .stat-item {
    border-right: none;
  }
}

@media (max-width: 768px) {
  /* 1. Hide top bar strip on mobile */
  .top-bar {
    display: none !important;
  }

  /* 2. Header & Logo spacing */
  .header-main {
    width: 100%;
    box-sizing: border-box;
  }
  .header-inner {
    padding: 0.75rem 1.25rem;
    box-sizing: border-box;
    width: 100%;
  }
  .brand-logo img {
    height: 40px;
    max-width: 210px;
  }
  .nav-menu {
    display: none;
  }
  .header-inner .btn-primary {
    display: none; /* Hide header quote button on mobile to give logo full breathing room */
  }
  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--light-bg);
    border: 1px solid var(--border);
    font-size: 1.4rem;
  }

  /* 3. Hero Slider Mobile Adjustments */
  .hero-slider {
    height: 490px;
  }
  .hero-content {
    padding: 0 0.5rem;
    max-width: 100%;
  }
  .hero-badge {
    font-size: 0.72rem;
    padding: 0.25rem 0.75rem;
    margin-bottom: 0.75rem;
  }
  .hero-title {
    font-size: 1.7rem;
    line-height: 1.2;
    margin-bottom: 0.75rem;
  }
  .hero-desc {
    font-size: 0.9rem;
    line-height: 1.45;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .hero-buttons {
    gap: 0.6rem;
  }
  .hero-buttons .btn {
    padding: 0.65rem 1.25rem;
    font-size: 0.9rem;
  }
  .slider-controls {
    bottom: 1rem;
  }
  .slider-btn {
    width: 36px;
    height: 36px;
    font-size: 0.8rem;
  }

  /* 4. Stats Grid 2x2 on mobile */
  .stats-bar {
    padding: 1.5rem 0;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  .stat-item {
    gap: 0.75rem;
    padding-right: 0;
  }
  .stat-icon {
    width: 42px;
    height: 42px;
  }
  .stat-icon svg {
    width: 22px;
    height: 22px;
  }
  .stat-number {
    font-size: 1.35rem;
  }
  .stat-label {
    font-size: 0.7rem;
  }

  /* 5. Section Paddings */
  .section-padding {
    padding: 3.25rem 0;
  }
  .section-padding-sm {
    padding: 2.25rem 0;
  }
  .section-header {
    margin-bottom: 2rem;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .section-subtitle {
    font-size: 0.95rem;
  }

  /* 6. Grids and layouts */
  .container,
  .container-wide {
    width: 100%;
    max-width: 100%;
    padding: 0.50rem;
    box-sizing: border-box;
  }

  .product-verticals-grid,
  .features-grid,
  .app-grid,
  .location-grid,
  .catalog-grid,
  .pattern-grid,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .contact-info-panel,
  .form-card,
  .location-card {
    padding: 1.5rem 1.25rem;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow-wrap: break-word;
    word-break: break-word;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 1rem;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .form-row > * {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
  }
  .footer-main {
    padding-top: 3.5rem;
  }
  .page-header {
    padding: 2.75rem 0;
  }
  .page-header-title {
    font-size: 1.85rem;
  }
  .page-header-desc {
    font-size: 0.95rem;
  }

  .cta-banner {
    padding: 3rem 0;
  }
  .cta-title {
    font-size: 1.6rem;
  }
  .cta-desc {
    font-size: 0.95rem;
  }
  .cta-inner {
    flex-direction: column;
    text-align: center;
  }
  .cta-actions {
    justify-content: center;
    width: 100%;
  }
  .cta-actions .btn {
    width: 100%;
  }

  /* 7. Floating WhatsApp */
  .floating-whatsapp {
    width: 48px;
    height: 48px;
    bottom: 1.25rem;
    right: 1.25rem;
  }
  .floating-whatsapp svg {
    width: 26px;
    height: 26px;
  }

  /* 8. Comparison Table Container Scroll hint */
  .comparison-wrapper {
    position: relative;
    border-radius: var(--radius-md);
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 0.40rem;
  }
  .brand-logo img {
    height: 36px;
    max-width: 185px;
  }
  .hero-slider {
    height: 460px;
  }
  .hero-title {
    font-size: 1.5rem;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .stat-number {
    font-size: 1.2rem;
  }
  .stat-label {
    font-size: 0.65rem;
  }
}
