/* ========================================
   SHEMAR ELECTRIC - MODERN WEBSITE CSS
   Designed for North American Market
   ======================================== */

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

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

:root {
  /* Primary Brand Colors - Professional Blue Palette */
  --primary: #1a5fa5;
  --primary-dark: #0d3d6e;
  --primary-light: #2d7bc9;
  
  /* Accent Colors for Different Customer Segments */
  --accent-purple: #534ab7;
  --accent-green: #0f6e56;
  --accent-orange: #ba7517;
  --accent-red: #993c1d;
  
  /* Neutral Colors */
  --dark: #1a1a1a;
  --gray-900: #212529;
  --gray-800: #343a40;
  --gray-700: #495057;
  --gray-600: #6c757d;
  --gray-500: #adb5bd;
  --gray-400: #ced4da;
  --gray-300: #dee2e6;
  --gray-200: #e9ecef;
  --gray-100: #f8f9fa;
  --white: #ffffff;
  
  /* Functional Colors */
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --info: #17a2b8;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.2);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--gray-800);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

/* ========================================
   UTILITY BAR
   ======================================== */
.utility-bar {
  background: var(--gray-900);
  color: var(--gray-300);
  font-size: 13px;
  padding: 8px 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1001;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.utility-items {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
}

.utility-item {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.utility-item:hover {
  color: var(--white);
}

.utility-item i {
  font-size: 12px;
}

.lang-switch span {
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.lang-switch span.active {
  background: var(--primary);
  color: var(--white);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.header {
  position: fixed;
  top: 32px;
  left: 0;
  width: 100%;
  background: var(--white);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: transform 0.3s ease;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
}

.logo img {
  height: 60px;
  width: auto;
}

.nav-menu ul {
  display: flex;
  gap: 15px;
  align-items: center;
}

.nav-menu a {
  font-weight: 500;
  font-size: 14px;
  color: var(--gray-700);
  padding: 6px 0;
  position: relative;
  transition: var(--transition-fast);
}

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

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

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.btn-primary {
  background: var(--primary);
  color: var(--white) !important;
  padding: 10px 24px !important;
  border-radius: var(--radius-md);
  font-weight: 600;
}

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

.btn-primary::after {
  display: none !important;
}

.mobile-toggle {
  display: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--gray-800);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 92px;
  left: 0;
  width: 100%;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  padding: 20px;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav-content a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
  font-weight: 500;
  color: var(--gray-700);
}

.mobile-nav-content a.active {
  color: var(--primary);
}

/* ========================================
   HERO SECTION - INTERACTIVE
   ======================================== */
.hero-interactive {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #0d253f 100%);
  overflow: hidden;
  padding-top: 92px;
}

.hero-bg-animation {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 30s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: var(--white);
  max-width: 1200px;
  padding: 40px 24px;
}

.hero-intro {
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: 64px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-title .line {
  display: block;
}

.hero-title .highlight {
  background: linear-gradient(90deg, #60a5fa, #3b82f6, #2563eb);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
  font-weight: 400;
}

.btn-explore {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: var(--white);
  border: none;
  padding: 16px 40px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: 0 8px 24px rgba(26, 95, 165, 0.4);
}

.btn-explore:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(26, 95, 165, 0.6);
}

.btn-explore i {
  margin-left: 8px;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* Three Doors Section */
.three-doors {
  animation: fadeIn 0.8s ease-out;
}

.doors-title {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 48px;
  color: var(--white);
}

.doors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.door-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: 40px 32px;
  transition: var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.door-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
  opacity: 0;
  transition: var(--transition-base);
}

.door-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

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

.door-card.door-a:hover {
  border-color: var(--accent-purple);
  box-shadow: 0 16px 48px rgba(83, 74, 183, 0.3);
}

.door-card.door-b:hover {
  border-color: var(--accent-green);
  box-shadow: 0 16px 48px rgba(15, 110, 86, 0.3);
}

.door-card.door-c:hover {
  border-color: var(--accent-orange);
  box-shadow: 0 16px 48px rgba(186, 117, 23, 0.3);
}

.door-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 36px;
  color: var(--white);
  transition: var(--transition-base);
}

.door-card:hover .door-icon {
  transform: scale(1.1) rotate(5deg);
}

.door-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--white);
}

.door-subtitle {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
}

.door-features {
  text-align: left;
  margin-bottom: 32px;
}

.door-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
}

.door-features li i {
  color: var(--success);
  font-size: 14px;
}

.btn-door {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  color: var(--primary);
  padding: 12px 28px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition-base);
}

.btn-door:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateX(4px);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  animation: fadeInOut 2s ease-in-out infinite;
}

.mouse {
  width: 26px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 13px;
  margin: 0 auto 12px;
  position: relative;
}

.wheel {
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

@keyframes fadeInOut {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ========================================
   STATS TICKER
   ======================================== */
.stats-ticker {
  background: var(--gray-100);
  padding: 24px 0;
  border-bottom: 1px solid var(--gray-300);
}

.ticker-track {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.ticker-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.ticker-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
}

.ticker-label {
  font-size: 13px;
  color: var(--gray-600);
}

.ticker-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-400);
}

/* ========================================
   FEATURED CASES
   ======================================== */
.featured-cases {
  background: var(--white);
  overflow: hidden;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 6px 16px;
  border-radius: var(--radius-xl);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-header h2 {
  font-size: 42px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.section-header p {
  font-size: 18px;
  color: var(--gray-600);
}

.case-carousel {
  position: relative;
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 20px 24px;
  margin: 0 24px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--gray-200);
  scroll-snap-type: x mandatory;
  justify-content: center;
}

.case-carousel::-webkit-scrollbar {
  height: 8px;
}

.case-carousel::-webkit-scrollbar-track {
  background: var(--gray-200);
  border-radius: 10px;
}

.case-carousel::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 10px;
}

.case-carousel::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

.case-slide {
  display: flex;
  flex-shrink: 0;
  width: calc(30vw - 32px);
  max-width: 400px;
  margin-right: 24px;
  scroll-snap-align: center;
  align-items: center;
  background: var(--white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

@media (max-width: 1200px) {
  .case-slide {
    width: calc(33vw - 32px);
  }
}

@media (max-width: 1024px) {
  .case-slide {
    width: calc(50vw - 32px);
  }
}

@media (max-width: 768px) {
  .case-slide {
    width: calc(85vw - 32px);
    margin-right: 24px;
  }
}

.case-image {
  flex: 1;
  height: 100%;
  min-height: 200px;
  max-height: 250px;
}

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

.case-content {
  flex: 1;
  padding: 32px;
}

.case-badge {
  display: inline-block;
  background: var(--accent-purple);
  color: var(--white);
  padding: 4px 10px;
  border-radius: var(--radius-md);
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 12px;
}

.case-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.case-desc {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 24px;
  line-height: 1.6;
}

.case-stats {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.case-stat {
  text-align: center;
  flex: 1;
  min-width: 80px;
}

.stat-num {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--gray-600);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}

.btn-link:hover {
  gap: 12px;
}

/* ========================================
   TRUST BAR
   ======================================== */
.trust-bar {
  background: var(--gray-100);
  padding: 32px 0;
  border-top: 1px solid var(--gray-300);
}

.trust-items {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-700);
}

.trust-item i {
  font-size: 20px;
  color: var(--primary);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 80px 0 40px;
}

.fgrid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  margin-bottom: 60px;
}

.fgrid h4 {
  color: var(--white);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
}

.fgrid p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.fgrid a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--gray-400);
  transition: var(--transition-fast);
}

.fgrid a:hover {
  color: var(--white);
  padding-left: 8px;
}

.social-links {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: var(--transition-base);
}

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-4px);
}

.copy {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.copy p {
  font-size: 14px;
  color: var(--gray-500);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  color: var(--gray-500);
}

.footer-links a:hover {
  color: var(--white);
}

/* ========================================
   ADDITIONAL MODULES FOR ULTIMATE REFACTOR
   ======================================== */

/* Why Now Urgency Module */
.why-now-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: var(--white);
}

.why-now-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.why-now-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-2xl);
  padding: 28px 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  transition: var(--transition-base);
}

.why-now-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.why-now-card i {
  font-size: 36px;
  margin-bottom: 14px;
  color: #60a5fa;
}

.why-now-card h3 {
  font-size: 38px;
  font-weight: 700;
  margin-bottom: 8px;
  background: linear-gradient(90deg, #60a5fa, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.why-now-card p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

/* Customer Testimonials */
.testimonials-section {
  padding: 80px 0;
  background: var(--gray-100);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: 40px 32px;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border: 2px solid var(--gray-200);
  position: relative;
}

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

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  left: 24px;
  font-size: 80px;
  color: var(--gray-200);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  font-size: 16px;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-info h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.testimonial-info p {
  font-size: 13px;
  color: var(--gray-600);
}

/* Made in USA Module */
.made-in-usa-section {
  padding: 80px 0;
  background: var(--white);
}

.made-in-usa-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

.made-in-usa-image {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.made-in-usa-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.made-in-usa-content h2 {
  font-size: 42px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
}

.made-in-usa-content p {
  font-size: 18px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 24px;
}

.made-in-usa-benefits {
  list-style: none;
  margin-bottom: 32px;
}

.made-in-usa-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  font-size: 16px;
  color: var(--gray-700);
}

.made-in-usa-benefits li i {
  color: var(--success);
  font-size: 20px;
  margin-top: 2px;
}

/* Aging Research Module */
.aging-research-section {
  padding: 80px 0;
  background: var(--gray-100);
}

.aging-research-wrapper {
  max-width: 1100px;
  margin: 0 auto;
}

.aging-research-header {
  text-align: center;
  margin-bottom: 48px;
}

.aging-research-header h2 {
  font-size: 42px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
}

.aging-research-header p {
  font-size: 18px;
  color: var(--gray-600);
  line-height: 1.7;
}

.aging-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.aging-stat {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.aging-stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.aging-stat .number {
  font-size: 48px;
  font-weight: 700;
  color: var(--accent-purple);
  margin-bottom: 8px;
}

.aging-stat .label {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.5;
}

/* New Materials Module */
.new-materials-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #0a2e1a 0%, #0f4d2e 100%);
  color: var(--white);
}

.new-materials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 1100px;
  margin: 0 auto;
}

.new-material-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-2xl);
  padding: 40px 32px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition-base);
}

.new-material-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
}

.new-material-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.new-material-card p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
  margin-bottom: 20px;
}

.new-material-features {
  list-style: none;
}

.new-material-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
}

.new-material-features li i {
  color: #60a5fa;
}

/* Responsive updates */
@media (max-width: 1024px) {
  .why-now-grid,
  .testimonials-grid,
  .aging-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .made-in-usa-grid,
  .new-materials-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .why-now-grid,
  .testimonials-grid,
  .aging-stats-grid {
    grid-template-columns: 1fr;
  }
  
  .made-in-usa-grid {
    grid-template-columns: 1fr;
  }
  
  .why-now-card {
    padding: 32px 24px;
  }
  
  .testimonial-card {
    padding: 32px 24px;
  }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 48px;
  }
  
  .doors-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .case-slide {
    grid-template-columns: 1fr;
  }
  
  .fgrid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .utility-bar {
    font-size: 11px;
  }
  
  .utility-items {
    gap: 12px;
  }
  
  .nav-menu {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .header {
    top: 32px;
  }
  
  .hero-interactive {
    padding-top: 112px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .hero-subtitle {
    font-size: 16px;
  }
  
  .doors-title {
    font-size: 32px;
  }
  
  .section-header h2 {
    font-size: 32px;
  }
  
  .case-content {
    padding: 32px 24px;
  }
  
  .trust-items {
    gap: 24px;
  }
  
  .fgrid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .copy {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }
  
  .ticker-track {
    gap: 20px;
  }
  
  .ticker-number {
    font-size: 22px;
  }
  
  .case-stats {
    flex-direction: column;
    gap: 16px;
  }
}