/* ==========================================================================
   ESPIRIT CHEMICAL CORPORATION - MAIN DESIGN SYSTEM
   Modern, Ultra-Premium Specialty Chemicals Web Application
   Address: 1392 TANGIER WAY, SARASOTA, FL 34239
   Contact: +17746774111 | Contact@espiritchemicals.com
   ========================================================================== */

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

:root {
  /* Color Palette */
  --navy-dark: #051329;
  --navy-primary: #0A2540;
  --navy-secondary: #0F355C;
  --navy-card: #123C66;
  
  --teal-accent: #00A896;
  --teal-light: #02C39A;
  --teal-glow: rgba(0, 168, 150, 0.25);
  
  --cyan-accent: #00B4D8;
  --amber-accent: #F59E0B;
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-light: #F8FAFC;
  --text-white: #FFFFFF;
  
  --bg-body: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-surface: #F1F5F9;
  --border-light: #E2E8F0;
  --border-card: #CBD5E1;
  
  /* Shadows & Glassmorphism */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -3px rgba(10, 37, 64, 0.15), 0 4px 8px -2px rgba(10, 37, 64, 0.06);
  --shadow-xl: 0 20px 35px -5px rgba(10, 37, 64, 0.22), 0 10px 15px -5px rgba(10, 37, 64, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-dark: rgba(10, 37, 64, 0.88);
  
  /* Layout & Spacing */
  --container-max: 1240px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--navy-primary);
  font-weight: 700;
  line-height: 1.25;
}

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

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

ul {
  list-style: none;
}

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

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

/* Utility Badges & Tags */
.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  background-color: rgba(0, 168, 150, 0.12);
  color: var(--teal-accent);
}

.badge-tag.amber {
  background-color: rgba(245, 158, 11, 0.12);
  color: var(--amber-accent);
}

.badge-tag.navy {
  background-color: rgba(10, 37, 64, 0.08);
  color: var(--navy-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal-accent), #0284C7);
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(0, 168, 150, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0284C7, var(--teal-accent));
  box-shadow: 0 6px 20px rgba(0, 168, 150, 0.45);
  transform: translateY(-2px);
  color: var(--text-white);
}

.btn-secondary {
  background-color: var(--navy-primary);
  color: var(--text-white);
  box-shadow: var(--shadow-sm);
}

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

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

.btn-outline:hover {
  background-color: var(--teal-accent);
  color: var(--text-white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--text-white);
  backdrop-filter: blur(8px);
}

.btn-outline-white:hover {
  background-color: var(--text-white);
  color: var(--navy-primary);
  transform: translateY(-2px);
}

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

/* ==========================================================================
   TOP BAR / PRE-HEADER
   ========================================================================== */
.top-bar {
  background-color: var(--navy-dark);
  color: #94A3B8;
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.45rem 0;
  position: relative;
  z-index: 50;
}

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

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

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #CBD5E1;
}

.top-bar-item svg {
  color: var(--teal-light);
  flex-shrink: 0;
}

.top-bar-item a:hover {
  color: var(--text-white);
  text-decoration: underline;
}

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

.top-bar-badge {
  background: rgba(0, 168, 150, 0.15);
  color: var(--teal-light);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

/* ==========================================================================
   MAIN HEADER & NAVIGATION
   ========================================================================== */
.main-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(10, 37, 64, 0.05);
  transition: all var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

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

.brand-icon-wrap {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--navy-primary) 0%, #0c3866 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-light);
  box-shadow: 0 4px 10px rgba(10, 37, 64, 0.2);
  border: 1px solid rgba(2, 195, 154, 0.3);
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--navy-primary);
  line-height: 1.1;
}

.brand-title span {
  color: var(--teal-accent);
}

.brand-tagline {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

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

.nav-item {
  position: relative;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--navy-primary);
  padding: 0.5rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color var(--transition-fast);
}

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

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

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

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 0.6rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 110;
}

.dropdown-menu.mega-menu {
  width: 620px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 1.25rem;
  gap: 0.5rem;
}

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

.dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--bg-surface);
  color: var(--teal-accent);
  padding-left: 1.25rem;
}

.dropdown-item-title {
  font-weight: 600;
  color: var(--navy-primary);
}

.dropdown-item-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Mobile Toggle */
.mobile-toggle-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--navy-primary);
  padding: 0.5rem;
}

/* Header CTAs */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ==========================================================================
   HERO SECTION WITH SLIDER & SEARCH BOX (LIKE ESPRIX)
   ========================================================================== */
.hero-section {
  position: relative;
  background: var(--navy-dark);
  min-height: 640px;
  overflow: hidden;
  color: var(--text-white);
  display: flex;
  align-items: center;
}

/* Background Carousel Slides */
.hero-slider-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  background-size: cover;
  background-position: center center;
}

.hero-slide.active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(5, 19, 41, 0.94) 0%,
    rgba(10, 37, 64, 0.88) 45%,
    rgba(10, 37, 64, 0.6) 100%
  );
  z-index: 2;
}

.hero-content-wrap {
  position: relative;
  z-index: 10;
  padding: 4rem 0 3.5rem;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-text {
  max-width: 650px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 168, 150, 0.2);
  border: 1px solid rgba(0, 168, 150, 0.4);
  color: var(--teal-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 3rem;
  color: var(--text-white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-title span {
  background: linear-gradient(135deg, #FFFFFF 20%, var(--teal-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: #CBD5E1;
  margin-bottom: 2rem;
}

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

/* ==========================================================================
   ESPRIX-STYLE HERO SEARCH BOX (CAS / PRODUCT / BROWSE)
   ========================================================================== */
.hero-search-card {
  background: rgba(18, 60, 102, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.search-tabs-header {
  display: flex;
  background: rgba(5, 19, 41, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.search-tab-btn {
  flex: 1;
  padding: 0.9rem 0.75rem;
  background: none;
  border: none;
  color: #94A3B8;
  font-family: 'Outfit', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  text-align: center;
}

.search-tab-btn:hover {
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.05);
}

.search-tab-btn.active {
  color: var(--teal-light);
  background: rgba(18, 60, 102, 0.9);
}

.search-tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--teal-accent);
}

.search-tab-body {
  padding: 1.75rem;
}

.search-tab-panel {
  display: none;
}

.search-tab-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.search-input-group {
  margin-bottom: 1.25rem;
}

.search-input-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #E2E8F0;
  margin-bottom: 0.5rem;
}

.search-input-box {
  position: relative;
  display: flex;
}

.search-input-box input {
  width: 100%;
  padding: 0.8rem 1rem 0.8rem 2.75rem;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--navy-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  outline: none;
  transition: all var(--transition-fast);
}

.search-input-box input:focus {
  background: #FFFFFF;
  border-color: var(--teal-accent);
  box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.35);
}

.search-input-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.quick-suggestions {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: #94A3B8;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.quick-suggestion-chip {
  background: rgba(255, 255, 255, 0.12);
  color: #E2E8F0;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-suggestion-chip:hover {
  background: var(--teal-accent);
  color: var(--text-white);
}

/* Category Quick Browse Grid */
.browse-categories-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  max-height: 220px;
  overflow-y: auto;
  padding-right: 0.4rem;
}

.browse-cat-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.6rem;
  background: rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  color: #E2E8F0;
  transition: all var(--transition-fast);
}

.browse-cat-link:hover {
  background: rgba(0, 168, 150, 0.3);
  color: var(--text-white);
  padding-left: 0.85rem;
}

/* Hero Live Search Results Dropdown */
.hero-search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 0.4rem;
  background: #FFFFFF;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  max-height: 240px;
  overflow-y: auto;
  z-index: 100;
  border: 1px solid var(--border-light);
  display: none;
}

.hero-search-results.open {
  display: block;
}

.hero-result-item {
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background var(--transition-fast);
  color: var(--navy-primary);
}

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

.hero-result-item:hover {
  background: #F1F5F9;
}

.hero-result-title {
  font-weight: 600;
  font-size: 0.875rem;
}

.hero-result-cas {
  font-size: 0.75rem;
  color: var(--teal-accent);
  font-weight: 600;
}

/* Slider Controls */
.slider-bullets {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  gap: 0.5rem;
}

.slider-bullet {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-bullet.active {
  width: 32px;
  background: var(--teal-accent);
}

/* ==========================================================================
   KEY STATS / HIGHLIGHTS BAR
   ========================================================================== */
.stats-strip {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-light);
  padding: 2.25rem 0;
  box-shadow: var(--shadow-sm);
}

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

.stat-item {
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -1rem;
  top: 15%;
  height: 70%;
  width: 1px;
  background-color: var(--border-light);
}

.stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--navy-primary);
  line-height: 1;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
}

.stat-number span {
  color: var(--teal-accent);
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ==========================================================================
   SECTION HEADERS
   ========================================================================== */
.section {
  padding: 5rem 0;
}

.section-alt {
  background-color: #F1F5F9;
}

.section-dark {
  background-color: var(--navy-primary);
  color: var(--text-white);
}

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

.section-kicker {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal-accent);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.section-dark .section-title {
  color: var(--text-white);
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
}

.section-dark .section-subtitle {
  color: #94A3B8;
}

/* ==========================================================================
   INDUSTRIES & APPLICATION SHOWCASE
   ========================================================================== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.industry-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.industry-card-icon-wrap {
  height: 64px;
  width: 64px;
  border-radius: var(--radius-md);
  background: rgba(0, 168, 150, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-accent);
  margin-bottom: 1.25rem;
  transition: all var(--transition-fast);
}

.industry-card:hover .industry-card-icon-wrap {
  background: var(--teal-accent);
  color: #FFFFFF;
}

.industry-card-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.industry-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.industry-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.industry-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--teal-accent);
  margin-top: auto;
}

.industry-card-link:hover {
  color: #0284C7;
  gap: 0.6rem;
}

/* ==========================================================================
   LIVE CHEMICAL DIRECTORY & CATALOG PREVIEW
   ========================================================================== */
.catalog-controls {
  background: #FFFFFF;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.catalog-search-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.catalog-search-input-wrap {
  flex: 1;
  min-width: 280px;
  position: relative;
}

.catalog-search-input-wrap input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.catalog-search-input-wrap input:focus {
  border-color: var(--teal-accent);
  box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.2);
}

.catalog-search-input-wrap svg {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.catalog-category-filter {
  min-width: 220px;
}

.catalog-category-filter select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  background-color: #FFFFFF;
  outline: none;
  cursor: pointer;
}

.catalog-category-filter select:focus {
  border-color: var(--teal-accent);
}

/* Chemical Cards Grid */
.chemicals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.chemical-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

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

.chemical-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  gap: 0.5rem;
}

.chemical-cas-badge {
  font-family: monospace;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(10, 37, 64, 0.08);
  color: var(--navy-primary);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.chemical-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy-primary);
  margin-bottom: 0.4rem;
  line-height: 1.35;
}

.chemical-formula-mw {
  font-size: 0.8125rem;
  color: var(--teal-accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.chemical-details-list {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.chemical-details-row {
  margin-bottom: 0.35rem;
  line-height: 1.45;
}

.chemical-details-row strong {
  color: var(--navy-primary);
}

.chemical-card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

/* ==========================================================================
   LABORATORY & CAPABILITIES SECTION
   ========================================================================== */
.lab-split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.lab-image-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.lab-image-container img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.lab-image-container:hover img {
  transform: scale(1.03);
}

.lab-floating-badge {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background: rgba(10, 37, 64, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  max-width: 260px;
}

.lab-floating-badge h4 {
  font-size: 1.1rem;
  color: var(--teal-light);
  margin-bottom: 0.2rem;
}

.lab-floating-badge p {
  font-size: 0.75rem;
  color: #CBD5E1;
  line-height: 1.35;
}

.capabilities-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 2rem 0;
}

.capability-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.capability-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(0, 168, 150, 0.15);
  color: var(--teal-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.capability-content h4 {
  font-size: 0.9375rem;
  color: var(--navy-primary);
  margin-bottom: 0.15rem;
}

.capability-content p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   QUALITY & REGULATORY CERTIFICATIONS BANNER
   ========================================================================== */
.cert-section {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-primary) 100%);
  color: var(--text-white);
  padding: 4.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.cert-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition-normal);
}

.cert-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--teal-light);
  transform: translateY(-4px);
}

.cert-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  background: rgba(0, 168, 150, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-light);
}

.cert-card h3 {
  font-size: 1.15rem;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
}

.cert-card p {
  font-size: 0.8125rem;
  color: #94A3B8;
  line-height: 1.45;
}

/* ==========================================================================
   GLOBAL LOGISTICS / SUPPLY CHAIN SECTION
   ========================================================================== */
.supply-chain-banner {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
}

.supply-chain-content {
  padding: 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.supply-chain-image img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: cover;
}

/* ==========================================================================
   CONTACT CALLOUT / INQUIRY BANNER
   ========================================================================== */
.contact-cta-section {
  background: linear-gradient(135deg, #0A2540 0%, #061A33 100%);
  color: var(--text-white);
  padding: 4.5rem 0;
  position: relative;
  overflow: hidden;
}

.contact-cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.contact-cta-text h2 {
  font-size: 2.25rem;
  color: #FFFFFF;
  margin-bottom: 0.75rem;
}

.contact-cta-text p {
  font-size: 1.0625rem;
  color: #CBD5E1;
  max-width: 600px;
}

.contact-cta-details {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.contact-cta-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 1.25rem 1.75rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-cta-card svg {
  color: var(--teal-light);
  font-size: 1.5rem;
}

.contact-cta-card-info h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: #94A3B8;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.contact-cta-card-info a {
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFFFFF;
}

.contact-cta-card-info a:hover {
  color: var(--teal-light);
}

/* ==========================================================================
   FOOTER (MATCHING & UPGRADING ESPRIX STRUCTURE)
   ========================================================================== */
.main-footer {
  background-color: var(--navy-dark);
  color: #94A3B8;
  padding-top: 4.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1.25fr 1.25fr 1.25fr 1.5fr;
  gap: 2.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand-col p {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  color: #CBD5E1;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: #E2E8F0;
  margin-bottom: 0.75rem;
}

.footer-contact-item svg {
  color: var(--teal-light);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.footer-contact-item a:hover {
  color: var(--teal-light);
}

.footer-col-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background-color: var(--teal-accent);
}

.footer-links-list li {
  margin-bottom: 0.6rem;
}

.footer-links-list a {
  font-size: 0.875rem;
  color: #94A3B8;
  transition: all var(--transition-fast);
  display: inline-block;
}

.footer-links-list a:hover {
  color: var(--teal-light);
  transform: translateX(4px);
}

/* Footer Newsletter / Bulletin */
.footer-bulletin-form {
  margin-top: 0.75rem;
}

.footer-bulletin-form input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  outline: none;
}

.footer-bulletin-form input:focus {
  border-color: var(--teal-accent);
}

.footer-bottom {
  padding: 1.75rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: #64748B;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a:hover {
  color: #CBD5E1;
}

/* ==========================================================================
   MODAL DIALOG (RFQ & SAMPLE REQUEST)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 19, 41, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal-dialog {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transform: scale(0.95) translateY(20px);
  transition: all var(--transition-normal);
}

.modal-overlay.open .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-header {
  background: var(--navy-primary);
  color: #FFFFFF;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.35rem;
  color: #FFFFFF;
}

.modal-close-btn {
  background: none;
  border: none;
  color: #94A3B8;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: #FFFFFF;
}

.modal-body {
  padding: 2rem;
  max-height: 75vh;
  overflow-y: auto;
}

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

.form-grid.full {
  grid-template-columns: 1fr;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--navy-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--teal-accent);
  box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 90px;
}

.modal-footer {
  padding: 1.25rem 2rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--navy-primary);
  color: #FFFFFF;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border-left: 4px solid var(--teal-accent);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 2500;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-content-wrap {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .hero-title {
    font-size: 2.35rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .stat-item:nth-child(2)::after {
    display: none;
  }
  
  .industries-grid,
  .chemicals-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .lab-split-section,
  .supply-chain-banner {
    grid-template-columns: 1fr;
  }
  
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .top-bar-contact {
    font-size: 0.75rem;
    gap: 0.75rem;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #FFFFFF;
    flex-direction: column;
    padding: 2rem 1.5rem;
    align-items: flex-start;
    overflow-y: auto;
    display: none;
    z-index: 99;
  }
  
  .nav-menu.open {
    display: flex;
  }
  
  .mobile-toggle-btn {
    display: block;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: #F8FAFC;
    width: 100% !important;
    grid-template-columns: 1fr !important;
    display: none;
    margin-top: 0.5rem;
  }
  
  .nav-item.dropdown-active .dropdown-menu {
    display: block;
  }
  
  .industries-grid,
  .chemicals-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-item::after {
    display: none;
  }
  
  .hero-title {
    font-size: 1.85rem;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
}