/*
 * Modern AXL Bearings Website - Premium Design System
 * Professional, responsive, and animated website with modern aesthetics
 */

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  /* Reserve space for fixed header to prevent overlap */
  padding-top: var(--header-height, 72px);
}

/* Sticky footer layout: make page fill viewport height */
html, body {
  height: 100%;
}

body > header.header + * {
  /* The first section/main after header should expand to push footer down */
  min-height: calc(100vh - 200px);
}

/* Generic page structure helpers */
body {
  display: flex;
  flex-direction: column;
}

main.container, main {
  flex: 1 0 auto;
}

footer.footer {
  flex-shrink: 0;
}

/* Anchor targets should account for fixed header */
main, section, h1, h2, h3, h4, h5, h6, [id] {
  scroll-margin-top: calc(var(--header-height, 72px) + 12px);
}

/* Modern Color System */
:root {
  /* Primary Colors */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  
  /* Secondary Colors */
  --color-secondary: #f59e0b;
  --color-secondary-dark: #d97706;
  --color-accent: #8b5cf6;
  
  /* Neutral Colors */
  --color-bg: #fafbfc;
  --color-bg-secondary: #f1f5f9;
  --color-text: #0f172a;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  
  /* Surface Colors */
  --color-card-bg: #ffffff;
  --color-card-border: #e2e8f0;
  --color-card-shadow: rgba(15, 23, 42, 0.08);
  
  /* Status Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
  --gradient-hero: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  
  /* Shadows */
  --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 -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* Dark Theme */
[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-text: #f8fafc;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-card-bg: #1e293b;
  --color-card-border: #334155;
  --color-card-shadow: rgba(0, 0, 0, 0.3);
  --gradient-card: linear-gradient(145deg, #1e293b 0%, #334155 100%);
}

/* Container System */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

/* Modern Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-card-border);
  transition: all var(--transition-normal);
}

[data-theme="dark"] .header {
  background: rgba(15, 23, 42, 0.95);
}

.header.scrolled {
  box-shadow: var(--shadow-lg);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
  transition: all var(--transition-normal);
}

.logo:hover {
  transform: scale(1.05);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav a:hover {
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.1);
}

.nav a.active {
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.1);
}

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text);
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: rgba(37, 99, 235, 0.1);
}

/* Buttons */
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-md) var(--space-xl);
  border: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  padding: var(--space-md) var(--space-xl);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
}

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

.btn-small {
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.875rem;
}

.btn-small:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Mode Toggle */
.mode-toggle {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  color: var(--color-text);
}

.mode-toggle:hover {
  background: rgba(37, 99, 235, 0.1);
  transform: rotate(180deg);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text {
  animation: slideInLeft 1s ease-out;
}

.hero-text h2 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.hero-image {
  animation: slideInRight 1s ease-out;
  position: relative;
}

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

.hero-image img {
  width: 100%;
  height: auto;
  transition: all var(--transition-slow);
}

.hero-image:hover img {
  transform: scale(1.05) rotate(2deg);
}

.hero-badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.875rem;
  backdrop-filter: blur(10px);
}

/* Product Types Section */
.product-types {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-secondary);
}

.product-types h3 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: var(--space-2xl);
  color: var(--color-text);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.product-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 1;
}

.product-card:hover::before {
  opacity: 0.05;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-card-image {
  position: relative;
  overflow: hidden;
}

.product-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: all var(--transition-normal);
}

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

.product-overlay {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
}

.product-card-content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 2;
}

.product-card h4 {
  margin: 0 0 var(--space-sm);
  font-size: 1.25rem;
  color: var(--color-text);
}

.product-card p {
  margin: 0 0 var(--space-lg);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.browse-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-normal);
  margin-top: auto;
  align-self: flex-start;
}

.browse-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.browse-link:hover svg {
  transform: translateX(4px);
}

/* Catalog Styles */
.catalog-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.catalog-item {
  display: flex;
  align-items: center;
  background: var(--gradient-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.catalog-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.catalog-item img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-right: var(--space-lg);
  transition: all var(--transition-normal);
}

.catalog-item:hover img {
  transform: scale(1.1);
}

.catalog-item h4 {
  margin: 0 0 var(--space-sm);
  font-size: 1.125rem;
  color: var(--color-text);
}

.catalog-item p {
  margin: var(--space-xs) 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.catalog-item .btn-small {
  margin-top: var(--space-md);
}

/* Industry Sections */
.industry-section {
  background: var(--gradient-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

/* About page */
.about-values {
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.value-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.value-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.value-card h4 {
  margin: var(--space-lg) var(--space-lg) var(--space-sm);
}

.value-card p {
  margin: 0 var(--space-lg) var(--space-lg);
}

.about-stats {
  padding: var(--space-2xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-xl);
}

.stat {
  background: var(--gradient-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
}

.stat-label {
  color: var(--color-text-secondary);
}

.about-timeline {
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.timeline {
  position: relative;
  margin-left: 1rem;
  border-left: 2px solid var(--color-card-border);
}

.timeline-item {
  position: relative;
  padding: var(--space-lg) var(--space-lg) var(--space-lg) var(--space-2xl);
}

.timeline-item .dot {
  position: absolute;
  left: -6px;
  top: 22px;
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: 50%;
}

.timeline-item h4 { margin: 0 0 var(--space-xs); }
.timeline-item p { margin: 0; color: var(--color-text-secondary); }

.about-team { padding: var(--space-3xl) 0; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
}

.team-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  text-align: center;
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.team-card img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: var(--space-md);
}

.about-cta { padding: var(--space-3xl) 0; }

.cta-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
  .cta-card {
    flex-direction: column;
    text-align: center;
  }
}
.industry-section:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.industry-section h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.industry-section img {
  width: 100%;
  max-width: 300px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
  transition: all var(--transition-normal);
}

.industry-section:hover img {
  transform: scale(1.05);
}

/* Contact Page Styles */
.contact-hero {
  text-align: center;
  margin-bottom: var(--space-3xl);
  padding: var(--space-2xl) 0;
}

.contact-hero h2 {
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.contact-hero p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.contact-info-card, .contact-form-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.contact-details {
  margin-bottom: var(--space-xl);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: rgba(37, 99, 235, 0.05);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.contact-item:hover {
  background: rgba(37, 99, 235, 0.1);
  transform: translateX(4px);
}

.contact-icon {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  color: white;
}

.contact-item strong {
  display: block;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.contact-item p {
  margin: 0;
  color: var(--color-text-secondary);
}

.contact-item a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.contact-item a:hover {
  text-decoration: underline;
}

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

.map-placeholder img {
  width: 100%;
  max-width: 400px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
}

.map-placeholder p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

.support-section {
  text-align: center;
  padding: var(--space-2xl) 0;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  margin-top: var(--space-2xl);
}

.support-section h3 {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.support-section p {
  margin-bottom: var(--space-lg);
  color: var(--color-text-secondary);
}

.support-options {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* Enhanced Forms */
form {
  background: var(--gradient-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-lg);
}

label {
  display: block;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input, textarea, select {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: var(--color-card-bg);
  color: var(--color-text);
  font-family: inherit;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  transform: translateY(-1px);
}

input::placeholder, textarea::placeholder {
  color: var(--color-text-muted);
  font-style: italic;
}

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

/* Tables */
.table-responsive {
  overflow-x: auto;
  margin-top: var(--space-lg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-card-bg);
}

th, td {
  padding: var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--color-card-border);
}

th {
  background: var(--color-bg-secondary);
  font-weight: 600;
  color: var(--color-text);
}

tr:hover {
  background: rgba(37, 99, 235, 0.05);
}

/* Footer */
.footer {
  background: var(--gradient-hero);
  color: white;
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: var(--space-3xl);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footerGrid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23footerGrid)"/></svg>');
  opacity: 0.3;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  position: relative;
  z-index: 2;
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--space-lg);
  font-size: 1.25rem;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

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

.footer-section li {
  margin-bottom: var(--space-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: white;
}

.contact-info p {
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  text-align: center;
  position: relative;
  z-index: 2;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
  font-size: 0.9rem;
}

/* Animations */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Scroll Animations */
/* Only apply fade-in transition after JS marks readiness to avoid initial flash */
.fade-in { opacity: 1; transform: none; }
.js-animate .fade-in { opacity: 0; transform: translateY(30px); transition: all 0.6s ease-out; }
.js-animate .fade-in.visible { opacity: 1; transform: translateY(0); }

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }
  
  .hero-text h2 {
    font-size: 3rem;
  }
  
  .product-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-text h2 {
    font-size: 2.5rem;
  }
  
  .cta-buttons {
    justify-content: center;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .catalog-item {
    flex-direction: column;
    text-align: center;
  }
  
  .catalog-item img {
    margin: 0 0 var(--space-lg);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .support-options {
    flex-direction: column;
    align-items: center;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .hero-text h2 {
    font-size: 2rem;
  }
  
  .hero-text p {
    font-size: 1rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
    max-width: 300px;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-card-border);
  border-radius: 50%;
  border-top-color: var(--color-primary);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}