/* ==========================================================================
   Brobond Chemical Manufacturer & Importer - Master Stylesheet
   Theme: Heavy Industrial Chemical, Laboratory Precision, B2B Authority
   Brand: Deep Crimson Red (#b81d24) & Industrial Slate Navy (#0f172a)
   ========================================================================== */

:root {
  --primary: #b81d24;
  --primary-hover: #96141a;
  --primary-dark: #7a0e13;
  --primary-light: #fff1f2;
  --primary-border: #fecdd3;
  --primary-glow: rgba(184, 29, 36, 0.18);

  --secondary: #0f172a;
  --secondary-light: #1e293b;
  --secondary-lighter: #334155;
  --secondary-border: #475569;

  --text-main: #1e293b;
  --text-heading: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-inverse: #ffffff;

  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f1f5f9;
  --bg-dark: #0f172a;
  --bg-dark-card: #1e293b;

  --border-color: #e2e8f0;
  --border-light: #f1f5f9;

  --accent-cyan: #0284c7;
  --accent-cyan-light: #e0f2fe;
  --accent-amber: #d97706;
  --accent-amber-light: #fef3c7;
  --accent-green: #16a34a;
  --accent-green-light: #dcfce7;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.08);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', 'Montserrat', var(--font-sans);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1240px;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Top Emergency / Helpline Bar */
.top-bar {
  background-color: var(--secondary);
  color: #cbd5e1;
  font-size: 0.84rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 0;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.top-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #cbd5e1;
}

.top-item i, .top-item svg {
  color: #ef4444;
  font-size: 0.95rem;
}

.top-item a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.badge-tag {
  background-color: rgba(184, 29, 36, 0.25);
  border: 1px solid var(--primary);
  color: #fca5a5;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Main Navigation Header */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all var(--transition-fast);
}

.main-header.scrolled {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  padding-top: 2px;
  padding-bottom: 2px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
}

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

/* Main Navigation - Right Hand Aligned */
.header-inner nav,
.main-nav {
  margin-left: auto;
  margin-right: 28px;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  padding: 8px 4px;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-fast);
}

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

/* Dropdown Master */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 100;
}

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

/* Mega Dropdown for Products */
.nav-item.has-dropdown {
  position: relative;
}

.nav-item.has-dropdown .nav-link i.fa-chevron-down {
  transition: transform 0.25s ease, color 0.25s ease;
}

.nav-item.has-dropdown:hover .nav-link i.fa-chevron-down {
  transform: rotate(180deg);
  color: var(--primary);
}

/* Standard Product Dropdown (6 Core Products) */
.dropdown-menu.product-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  width: 370px;
  max-width: 92vw;
  padding: 0;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  border-top: 3px solid var(--primary);
  box-shadow: 0 20px 45px -10px rgba(15, 23, 42, 0.16), 0 0 0 1px rgba(0, 0, 0, 0.04);
  background: #ffffff;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
  z-index: 1100;
  overflow: hidden;
}

/* Invisible bridge so mouse hover never drops or flickers */
.dropdown-menu.product-dropdown::before {
  content: '';
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;
  height: 16px;
  background: transparent;
}

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

.dropdown-list {
  list-style: none;
  padding: 8px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s ease;
  background: transparent;
}

.dropdown-item:hover {
  background: #f8fafc;
  transform: translateX(3px);
}

.dropdown-item-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #475569;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.dropdown-item:hover .dropdown-item-icon {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.dropdown-item-text {
  flex-grow: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.dropdown-item-title {
  font-size: 0.86rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.25;
  transition: color 0.2s ease;
}

.dropdown-item:hover .dropdown-item-title {
  color: var(--primary);
}

.dropdown-item-desc {
  font-size: 0.72rem;
  color: #64748b;
  line-height: 1.3;
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dropdown-arrow {
  font-size: 0.68rem;
  color: #94a3b8;
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.dropdown-item:hover .dropdown-arrow {
  opacity: 1;
  color: var(--primary);
  transform: translateX(0);
}

.dropdown-menu-footer {
  padding: 10px 14px;
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
}

.dropdown-all-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  transition: gap 0.2s ease;
}

.dropdown-all-link:hover {
  text-decoration: underline;
}

.dropdown-all-link i {
  transition: transform 0.2s ease;
}

.dropdown-all-link:hover i {
  transform: translateX(3px);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-whatsapp-header {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: #25d366;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
  transition: all var(--transition-fast);
}

.btn-whatsapp-header:hover {
  background-color: #20ba5a;
  transform: translateY(-1px);
  color: #ffffff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(184, 29, 36, 0.35);
  color: #ffffff;
}

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

.btn-secondary:hover {
  background-color: var(--secondary-light);
  transform: translateY(-1px);
  color: #ffffff;
}

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

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

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

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

.btn-sm {
  padding: 7px 14px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 14px 30px;
  font-size: 1.05rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-heading);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 6px;
}

/* Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #090e17 0%, #172033 100%);
  color: #ffffff;
  padding: 85px 0 75px;
  overflow: visible; /* Ensure floating badge is not clipped */
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(184, 29, 36, 0.25) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(2, 132, 199, 0.15) 0%, transparent 40%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(184, 29, 36, 0.35);
  border: 1px solid rgba(239, 68, 68, 0.6);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-badge i {
  color: #f87171;
}

.hero-title {
  font-size: 3.2rem;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 20px;
  font-weight: 800;
}

.hero-title span.text-highlight {
  color: #ef4444;
  background: linear-gradient(90deg, #ef4444 0%, #fca5a5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #cbd5e1;
  margin-bottom: 35px;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 30px;
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #e2e8f0;
  font-size: 0.88rem;
  font-weight: 500;
}

.trust-item i {
  color: #22c55e;
  font-size: 1.1rem;
}

/* Hero Showcase Card */
.hero-showcase {
  position: relative;
  padding-bottom: 25px;
}

.hero-card-stack {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: var(--secondary-light);
}

.hero-card-stack img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-card-stack:hover img {
  transform: scale(1.03);
}

.hero-card-floating {
  position: absolute;
  bottom: 0px;
  left: -15px;
  background: #ffffff;
  color: var(--text-main);
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.35);
  border-left: 4px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 290px;
  z-index: 10;
}

.hero-card-floating .icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.hero-card-floating h5 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.hero-card-floating p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Stats Counter Section */
.stats-section {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 40px 0;
  position: relative;
  margin-top: 25px; /* Clean spacing, zero overlapping */
  z-index: 5;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.stat-box {
  display: flex;
  flex-direction: column;
  padding: 0 15px;
  border-right: 1px solid var(--border-color);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.stat-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Section Header Shared */
.section {
  padding: 85px 0;
  position: relative;
}

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

.section-dark {
  background-color: var(--secondary);
  color: #ffffff;
}

.section-dark h2, .section-dark h3, .section-dark h4 {
  color: #ffffff;
}

.section-header {
  margin-bottom: 50px;
}

.section-header.text-center {
  text-align: center;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.section-dark .section-tag {
  color: #f87171;
}

.section-title {
  font-size: 2.4rem;
  margin-bottom: 16px;
  font-weight: 800;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.section-dark .section-desc {
  color: #94a3b8;
}

/* Product Cards & Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

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

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(184, 29, 36, 0.3);
}

.product-card-thumb {
  position: relative;
  height: 400px;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

.product-card-thumb img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
  object-position: center center;
  position: relative;
  z-index: 1;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  filter: none;
}

.product-card:hover .product-card-thumb img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.9);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
}

.product-pack-tag {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: rgba(255, 255, 255, 0.95);
  color: #0f172a;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(6px);
  z-index: 10;
}

.product-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-category-label {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.product-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-heading);
}

.product-card-title a:hover {
  color: var(--primary);
}

.product-grade-badge {
  display: inline-block;
  font-size: 0.82rem;
  color: #475569;
  background-color: #f1f5f9;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  font-weight: 500;
}

.product-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  gap: 10px;
}

/* Category Filter Tabs */
.filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--primary-glow);
}

/* Search Bar */
.search-box-wrap {
  max-width: 550px;
  margin: 0 auto 35px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.98rem;
  box-shadow: var(--shadow-sm);
  outline: none;
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 1.1rem;
}

/* Application / Industry Grid */
.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.app-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 320px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  group: true;
}

.app-card-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.app-card:hover .app-card-bg {
  transform: scale(1.08);
}

.app-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.2) 0%, rgba(15, 23, 42, 0.92) 80%);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #ffffff;
  transition: all var(--transition-fast);
}

.app-card-title {
  font-size: 1.4rem;
  color: #ffffff;
  margin-bottom: 10px;
  font-weight: 700;
}

.app-card-text {
  font-size: 0.9rem;
  color: #cbd5e1;
  line-height: 1.5;
  margin-bottom: 15px;
  opacity: 0.9;
}

.app-card-chemicals {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.app-chem-tag {
  font-size: 0.74rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  color: #ffffff;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* Quality & COA Section */
.quality-box {
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.quality-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.quality-feature-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 25px;
}

.quality-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.quality-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.quality-feature-item h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.quality-feature-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.coa-preview-box {
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  position: relative;
}

.coa-preview-thumb {
  max-height: 280px;
  margin: 0 auto 16px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.coa-preview-thumb:hover {
  transform: scale(1.02);
}

/* Why Us Grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.why-card {
  background: #ffffff;
  padding: 35px 25px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-align: center;
}

.why-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
}

.why-icon {
  width: 65px;
  height: 65px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  transition: all var(--transition-fast);
}

.why-card:hover .why-icon {
  background: var(--primary);
  color: #ffffff;
}

.why-card h4 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

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

/* Testimonials */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.testi-card {
  background: #ffffff;
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
}

.testi-stars {
  color: #f59e0b;
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.testi-text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-main);
  margin-bottom: 24px;
  font-style: italic;
  flex-grow: 1;
}

.testi-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.testi-author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--secondary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.testi-author-info h5 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.testi-author-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Quick Inquiry CTA Strip */
.inquiry-strip {
  background: linear-gradient(135deg, var(--secondary) 0%, #1e293b 100%);
  color: #ffffff;
  padding: 60px 0;
  border-top: 4px solid var(--primary);
}

.inquiry-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.inquiry-content h3 {
  font-size: 2rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.inquiry-content p {
  color: #94a3b8;
  font-size: 1.05rem;
}

.inquiry-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Technical Specification Table */
.spec-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 25px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
  min-width: 540px; /* Guarantees table columns never squish on mobile screens */
}

.spec-table th, .spec-table td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.spec-table th {
  background-color: var(--secondary);
  color: #ffffff;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.spec-table tr:last-child td {
  border-bottom: none;
}

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

.spec-table td:nth-child(3) {
  font-weight: 700;
  color: var(--primary);
}

/* Product Detail Page */
.detail-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: start;
}

.detail-gallery {
  position: sticky;
  top: 110px;
}

.detail-main-img {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 0;
  overflow: hidden;
  text-align: center;
  box-shadow: var(--shadow-md);
  margin-bottom: 20px;
}

.detail-main-img img {
  width: 100%;
  height: auto;
  max-height: 460px;
  margin: 0 auto;
  object-fit: cover;
  display: block;
}

.detail-sub-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.sub-badge-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
  font-size: 0.8rem;
}

.sub-badge-card i {
  color: var(--primary);
  font-size: 1.2rem;
  margin-bottom: 4px;
  display: block;
}

.sub-badge-card strong {
  display: block;
  color: var(--text-heading);
}

.detail-header-tag {
  display: inline-block;
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.detail-title {
  font-size: 2.3rem;
  margin-bottom: 12px;
  font-weight: 800;
}

.detail-grade-tag {
  display: inline-block;
  background-color: var(--bg-surface-alt);
  color: var(--secondary);
  border: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.detail-packing-info {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 14px 18px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #881337;
  font-size: 0.95rem;
}

.detail-packing-info strong {
  color: #4c0519;
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 35px;
  flex-wrap: wrap;
}

.tab-nav {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 25px;
  gap: 10px;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tab-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: none;
  border: none;
  padding: 12px 20px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

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

.tab-btn.active {
  color: var(--primary);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.feature-check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}

.feature-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.feature-check-list li i {
  color: #16a34a;
  font-size: 1.1rem;
  margin-top: 3px;
  flex-shrink: 0;
}

/* Contact Page & Forms */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.contact-info-panel {
  background: var(--secondary);
  color: #ffffff;
  padding: 40px;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 25px;
  margin: 30px 0;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(184, 29, 36, 0.25);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 0.95rem;
  color: #94a3b8;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-info-item p, .contact-info-item a {
  color: #ffffff;
  font-size: 1.05rem;
  line-height: 1.4;
}

.contact-info-item a:hover {
  color: #f87171;
  text-decoration: underline;
}

.form-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 8px;
  color: var(--text-heading);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* Footer */
.site-footer {
  background-color: #0b111e;
  color: #94a3b8;
  padding: 70px 0 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-logo {
  height: 48px;
  width: auto;
  margin-bottom: 18px;
  background: #ffffff;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.footer-about-text {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
  color: #94a3b8;
}

.footer-title {
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background-color: var(--primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 5px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.footer-contact-item i {
  color: var(--primary);
  font-size: 1.1rem;
  margin-top: 4px;
}

.footer-bottom {
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 15px;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: #ffffff;
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-fast);
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface-alt);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-header h3 {
  font-size: 1.25rem;
  color: var(--text-heading);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--primary);
}

.modal-body {
  padding: 24px;
}

/* COA Lightbox */
.coa-modal-container {
  max-width: 850px;
}

.coa-modal-img {
  width: 100%;
  max-height: 75vh;
  object-fit: contain;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: all var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.5);
  color: #ffffff;
}

.whatsapp-float .tooltip {
  position: absolute;
  right: 70px;
  background: var(--secondary);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-fast);
}

.whatsapp-float:hover .tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 14px 20px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  border-left: 4px solid var(--primary);
  animation: slideIn 0.3s ease;
}

.toast.toast-success {
  border-left-color: var(--accent-green);
}

.toast.toast-error {
  border-left-color: var(--primary);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}