/* ==========================================================================
   XICHUAN TECH B2B INDUSTRIAL DESIGN SYSTEM
   ========================================================================== */

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

:root {
  /* Color Palette - Eco-Tech Dark theme */
  --bg-darker: #060910;
  --bg-primary: #0B0F19;
  --bg-secondary: #131924;
  --bg-card: rgba(19, 25, 36, 0.65);
  --bg-glass: rgba(11, 15, 25, 0.45);
  
  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  
  /* Primary Fluorescent Eco-Green */
  --accent-cyan: #00FF66;
  --accent-cyan-hover: #00D856;
  --accent-cyan-rgb: 0, 255, 102;
  
  /* Secondary Forest/Tech Green */
  --accent-gold: #10B981;
  --accent-gold-rgb: 16, 185, 129;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-active: rgba(0, 255, 102, 0.4);
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-darker);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

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

ul {
  list-style: none;
}

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

input, select, textarea, button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
  background: #1E293B;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Grid & Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 6.5rem 0;
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 968px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .section-padding { padding: 4.5rem 0; }
}

@media (max-width: 640px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-subtitle {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--accent-cyan);
  border-radius: 2px;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 1.5rem auto 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-normal);
  letter-spacing: 0.02em;
}

.btn-primary {
  background-color: var(--accent-cyan);
  color: var(--bg-darker);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.btn-primary:hover {
  background-color: #FFFFFF;
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.btn-secondary {
  border: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--text-secondary);
  transform: translateY(-2px);
}

/* Header & Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background-color: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: var(--transition-normal);
}

.navbar.scrolled {
  height: 70px;
  background-color: rgba(8, 12, 20, 0.95);
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: #FFFFFF;
}

.logo span {
  color: var(--accent-cyan);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.02);
  transition: var(--transition-fast);
}

.lang-switch:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #FFFFFF;
  transition: var(--transition-fast);
}

@media (max-width: 868px) {
  .nav-toggle {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg-darker);
    flex-direction: column;
    padding: 3rem 0;
    gap: 2rem;
    transition: var(--transition-normal);
    border-top: 1px solid var(--border-color);
  }
  .nav-menu.active {
    left: 0;
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: radial-gradient(circle at 80% 30%, rgba(0, 240, 255, 0.07) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(255, 184, 0, 0.04) 0%, transparent 50%),
              var(--bg-primary);
  overflow: hidden;
}

/* Industrial Grid Effect */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 3rem;
  z-index: 10;
}

.hero-content {
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-title span {
  color: var(--accent-cyan);
  background: linear-gradient(135deg, #FFF 30%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

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

/* Chemical Structure Graphics (Pure CSS decoration) */
.hero-graphic {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.chemical-orb {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, rgba(13, 19, 33, 0) 70%);
  border-radius: 50%;
  position: relative;
  filter: blur(20px);
  animation: pulse-slow 8s infinite alternate;
}

.graphic-shape {
  position: absolute;
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.shape-1 {
  width: 320px;
  height: 320px;
  border-color: rgba(0, 240, 255, 0.12);
  border-style: dashed;
  animation: spin-clockwise 30s infinite linear;
}

.shape-2 {
  width: 220px;
  height: 220px;
  border-color: rgba(255, 184, 0, 0.1);
  animation: spin-counter 20s infinite linear;
}

@keyframes pulse-slow {
  0% { transform: scale(0.9); opacity: 0.7; }
  100% { transform: scale(1.1); opacity: 1; }
}

@keyframes spin-clockwise {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes spin-counter {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

@media (max-width: 968px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-badge, .hero-btns {
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
  }
  .hero-title {
    font-size: 2.75rem;
  }
  .hero-graphic {
    display: none;
  }
}

/* About Us Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h3 {
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
  color: #FFFFFF;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.company-meta-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 6px;
  margin-top: 2rem;
}

.meta-item {
  display: flex;
  justify-content: space-between;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

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

.meta-label {
  font-weight: 600;
  color: var(--text-secondary);
}

.meta-value {
  color: #FFFFFF;
  text-align: right;
  font-family: monospace;
  font-size: 0.95rem;
}

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-card {
  display: flex;
  gap: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.75rem;
  border-radius: 8px;
  transition: var(--transition-normal);
}

.about-card:hover {
  transform: translateX(8px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-md);
}

.about-card-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(0, 240, 255, 0.08);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.about-card-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.about-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

@media (max-width: 968px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* Applications Section */
.app-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2.25rem 2rem;
  overflow: hidden;
  transition: var(--transition-normal);
  z-index: 1;
}

.app-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition-normal);
  z-index: -1;
}

.app-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

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

.app-icon {
  width: 52px;
  height: 52px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  transition: var(--transition-fast);
}

.app-card:hover .app-icon {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--accent-cyan);
}

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

.app-desc {
  font-size: 0.925rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.app-tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 4px;
  color: var(--text-secondary);
}

/* Product Section */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Green Gradient Eco-Tech SKU highlighting */
.product-card-eco {
  border-color: rgba(0, 255, 102, 0.22);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 255, 102, 0.04) 100%);
  position: relative;
}

.product-card-eco::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 255, 102, 0.08) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition-normal);
  z-index: -1;
}

.product-card-eco:hover {
  border-color: var(--accent-cyan) !important;
  box-shadow: 0 0 25px rgba(0, 255, 102, 0.15), var(--shadow-lg);
}

.product-card-eco:hover::before {
  opacity: 1;
}

/* Eco Label Ribbon */
.eco-badge {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(0, 255, 102, 0.08);
  border: 1px solid rgba(0, 255, 102, 0.2);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Badge Container */
.product-badge-container {
  position: absolute;
  top: 15px;
  right: 15px;
  display: block;
  text-align: right;
  z-index: 10;
  pointer-events: none;
}

/* Badge children */
.product-badge-container .badge, 
.product-badge-container [class*="badge"], 
.product-badge-container [class*="CLASS"] {
  position: static !important;
  display: inline-block !important;
  vertical-align: middle;
  margin-left: 8px;
  margin-bottom: 4px;
}

.product-info-wrap {
  padding: 2.25rem 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.product-name-en {
  font-size: 1.35rem;
  line-height: 1.2;
}

.product-name-cn {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 0.25rem;
}

.haz-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.haz-class-3 {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #F87171;
}

.product-meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

.prod-meta-item {
  display: flex;
  flex-direction: column;
}

.prod-meta-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.15rem;
}

.prod-meta-val {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: monospace;
  font-weight: 600;
}

.product-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.product-action-row {
  margin-top: auto;
}

.product-card .btn {
  width: 100%;
}

/* Compliance Section */
.compliance {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-darker) 100%);
  position: relative;
}

.compliance::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.compliance-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
}

.compliance-graphic {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.compliance-graphic::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.shield-icon {
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
}

.compliance-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat-item {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.25rem 1rem;
}

.stat-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.compliance-content h3 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.compliance-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.comp-list-item {
  display: flex;
  gap: 1.25rem;
}

.comp-list-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  margin-top: 0.2rem;
}

.comp-list-title {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.comp-list-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

@media (max-width: 968px) {
  .compliance-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* RFQ Form Section */
.rfq {
  position: relative;
  background: radial-gradient(circle at 20% 80%, rgba(0, 240, 255, 0.05) 0%, transparent 50%), var(--bg-primary);
}

.rfq-wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.rfq-info {
  background: var(--bg-secondary);
  padding: 3.5rem 3rem;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.rfq-info-title {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.rfq-info-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.rfq-contacts {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.rfq-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.rfq-c-icon {
  color: var(--accent-cyan);
  margin-top: 0.25rem;
}

.rfq-c-text h5 {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.rfq-c-text p {
  font-size: 0.95rem;
  color: #FFFFFF;
}

.rfq-form-container {
  padding: 3.5rem 3rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input, 
.form-group select, 
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.95rem;
  color: #FFFFFF;
  transition: var(--transition-fast);
}

.form-group select option {
  background-color: var(--bg-secondary);
  color: #FFFFFF;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
  background: rgba(0, 0, 0, 0.3);
}

.rfq-form-container .btn {
  margin-top: 1rem;
  width: 100%;
}

/* Success notification message styling */
.form-status-msg {
  display: none;
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
}

.form-status-msg.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34D399;
}

.form-status-msg.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #F87171;
}

@media (max-width: 968px) {
  .rfq-wrap {
    grid-template-columns: 1fr;
  }
  .rfq-info {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
  }
  .rfq-form-container {
    padding: 2.5rem 2rem;
  }
}

@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
}

/* Footer Section */
.footer {
  background-color: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  padding: 4.5rem 0 2rem;
}

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

.footer-brand h4 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.footer-brand h4 span {
  color: var(--accent-cyan);
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 350px;
}

.footer-links h4, .footer-contact h4 {
  font-size: 1rem;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #FFFFFF;
}

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

.footer-links-list a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-contact-list strong {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

@media (max-width: 868px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* Multi-language Selector */
.lang-selector {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  margin-right: 0.5rem;
}

.lang-opt {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 0.15rem 0.35rem;
  border-radius: 2px;
  transition: var(--transition-fast);
}

.lang-opt:hover, .lang-opt.active {
  color: var(--bg-darker);
  background: var(--accent-cyan);
}

/* ==========================================
   PRODUCT DETAIL MODAL
   ========================================== */
.product-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 7, 13, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.product-modal-container {
  position: relative;
  width: 90%;
  max-width: 800px;
  height: 85vh;
  background: linear-gradient(145deg, var(--bg-card) 0%, #0B0F19 100%);
  border: 1px solid rgba(0, 255, 102, 0.15);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 255, 102, 0.05);
  transform: translateY(20px) scale(0.95);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.product-modal-overlay.active .product-modal-container {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(0, 255, 102, 0.2);
  color: var(--accent-cyan);
  border-color: rgba(0, 255, 102, 0.4);
}

.modal-content-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Custom Scrollbar for Modal */
.modal-content-scroll::-webkit-scrollbar {
  width: 6px;
}
.modal-content-scroll::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
}
.modal-content-scroll::-webkit-scrollbar-thumb {
  background: rgba(0, 255, 102, 0.3);
  border-radius: 4px;
}
.modal-content-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 255, 102, 0.5);
}

.modal-hero-image {
  width: 100%;
  height: 300px;
  background-size: cover;
  background-position: center;
  position: relative;
  border-bottom: 1px solid rgba(0, 255, 102, 0.1);
}

.modal-hero-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: linear-gradient(to top, var(--bg-card), transparent);
}

.modal-body-content {
  padding: 30px 40px 40px;
}

.modal-product-title {
  font-size: 2.2rem;
  color: #fff;
  margin-bottom: 25px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.modal-section {
  margin-bottom: 25px;
}

.modal-section-title {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-left: 3px solid var(--accent-cyan);
  padding-left: 12px;
}

.modal-section-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  padding-left: 15px;
}

.modal-section-text ul {
  padding-left: 20px;
  margin-top: 8px;
}

.modal-section-text li {
  margin-bottom: 6px;
  position: relative;
}

.modal-section-text li::marker {
  color: var(--accent-cyan);
}

.modal-supply-chain {
  background: rgba(0, 255, 102, 0.05);
  border: 1px solid rgba(0, 255, 102, 0.15);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-top: 35px;
}

.supply-chain-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(0, 255, 102, 0.1);
  border-radius: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.clickable-card {
  cursor: pointer;
}