/* === CSS RESET & BASE STYLES === */
:root {
  /* Color System */
  --primary: #6366f1;
  --primary-light: #8b5cf6;
  --primary-dark: #4f46e5;
  --secondary: #3b82f6;
  --accent: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark-purple: #4338ca;
  
  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary-light));
  --gradient-secondary: linear-gradient(135deg, var(--secondary), var(--primary));
  --gradient-accent: linear-gradient(135deg, var(--accent), var(--secondary));
  --gradient-bg: linear-gradient(135deg, var(--gray-50), var(--white));
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  
  /* Glass Effects */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-backdrop: blur(20px);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--gradient-bg);
  overflow-x: hidden;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6, p, span, div {
  font-family: 'DM Sans', sans-serif;
}

h3 {
  font-size: 24px;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 10px;
  color: var(--gray-800);
}

.section-title {
  font-size: 48px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--primary);
  text-align: center;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--gray-600);
  line-height: 1.7;
}

.capability-title {
  font-size: 24px;
  font-weight: 400;
  color: var(--gray-800);
}

/* === CONTENT STYLES === */
.content p {
  font-size: 18px;
  font-weight: 300;
  color: var(--dark-purple);
  line-height: 1.6;
  margin-bottom: 1em;
}

.content p sup {
  font-size: 12px;
  vertical-align: super;
}

.content ul {
  font-size: 16px;
  font-weight: 300;
  color: var(--dark-purple);
  line-height: 1.6;
  list-style: none;
  padding-left: 0;
}

.content ul li {
  position: relative;
  margin-bottom: 0.7em;
  padding-left: 30px;
}

.content ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: bold;
  font-size: 20px;
  line-height: 1;
  top: 0;
}

/* === UTILITY CLASSES === */
.text-center {
  text-align: center;
}

.text-white {
  color: white;
}

.font-bold {
  font-weight: 600;
}

.font-medium {
  font-weight: 500;
}

.font-light {
  font-weight: 300;
}

/* === BUTTONS === */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
  border: none;
  cursor: pointer;
  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(-3px);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid var(--primary);
  border-radius: 50px;
  transition: all var(--transition-normal);
  background: var(--white);
  box-shadow: var(--shadow-md);
}

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

/* === SECTIONS === */
.section-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.features-overview {
  padding: var(--spacing-3xl) 0;
  background: var(--white);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* === GRID SYSTEM === */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.cards {
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  align-items: stretch;
}

.card {
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
  border: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

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

.card-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform var(--transition-slow);
  order: 2;
}

.card:hover .card-image {
  transform: scale(1.05);
}

.title-with-icon {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-lg);
  padding-bottom: 0;
  order: 1;
}

.card-content {
  order: 1;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  margin-right: var(--spacing-md);
  color: var(--white);
  background: var(--gradient-primary);
  flex-shrink: 0;
  transition: transform var(--transition-normal);
}

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

.icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.card p {
  color: var(--gray-600);
  line-height: 1.6;
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  margin: 0;
  flex-grow: 1;
}

/* === INDUSTRIES SECTION === */
#industries {
  background: var(--gray-50);
  padding: var(--spacing-3xl) 0;
}

#industries .card {
  border-bottom: 4px solid transparent;
  transition: all var(--transition-normal);
}

#industries .card:hover {
  border-bottom-color: var(--primary);
}

/* Icon color variations */
.card:nth-child(6n+1) .icon { background: linear-gradient(135deg, #0ea5e9, #3b82f6); }
.card:nth-child(6n+2) .icon { background: linear-gradient(135deg, #22c55e, #16a34a); }
.card:nth-child(6n+3) .icon { background: linear-gradient(135deg, #f97316, #ea580c); }
.card:nth-child(6n+4) .icon { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.card:nth-child(6n+5) .icon { background: linear-gradient(135deg, #14b8a6, #0d9488); }
.card:nth-child(6n+6) .icon { background: linear-gradient(135deg, #ec4899, #db2777); }

/* === DETAILED FEATURES === */
.detailed-features {
  padding: var(--spacing-3xl) 0;
  background: rgba(99, 102, 241, 0.02);
}

.feature-showcase {
  margin-bottom: var(--spacing-3xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.feature-showcase:nth-child(even) {
  direction: rtl;
}

.feature-showcase:nth-child(even) > * {
  direction: ltr;
}

.feature-content h3 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--gray-900);
}

.feature-content p {
  font-size: 1.2rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.feature-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.highlight-item {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: 16px;
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.highlight-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.highlight-item h4 {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--gray-900);
}

.highlight-item p {
  font-size: 0.95rem;
  color: var(--gray-600);
  margin: 0;
}

.feature-screenshot {
  width: 100%;
  height: 400px;
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  transition: transform var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--gray-500);
  font-size: 1.1rem;
  font-weight: 500;
}

.feature-screenshot:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

.feature-screenshot i {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
}

/* === SAFETY STATS SECTION === */
.safety-stats {
  padding: var(--spacing-3xl) 0;
  background: var(--gradient-accent);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.safety-stats::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: float 20s linear infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(5%, 5%) rotate(5deg); }
  50% { transform: translate(0, 10%) rotate(10deg); }
  75% { transform: translate(-5%, 5%) rotate(5deg); }
}

.safety-content {
  position: relative;
  z-index: 2;
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.safety-content h2 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  color: var(--white);
}

.safety-subtitle {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin: 0 auto;
}

.safety-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  position: relative;
  z-index: 2;
}

.safety-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-normal);
}

.safety-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.15);
}

.safety-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--spacing-sm);
}

.safety-label {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--spacing-sm);
}

.safety-description {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

/* === CTA SECTION === */
.cta-section {
  padding: var(--spacing-3xl) 0;
  background: var(--white);
  text-align: center;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  color: var(--gray-900);
}

.cta-subtitle {
  font-size: 1.3rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

/* === FOOTER === */
.footer {
  background: var(--white);
  color: var(--gray-700);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand p {
  margin-top: var(--spacing-sm);
  line-height: 1.6;
  color: var(--gray-600);
}

.footer-section h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--gray-600);
  text-decoration: none;
  transition: color var(--transition-normal);
}

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

.footer-bottom {
  border-top: 1px solid var(--gray-200);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--gray-500);
}

/* === HERO SECTION === */
.modern-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
  padding: 120px 0 80px;
}

.modern-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

/* Animated Gradient Background */
.hero-gradient-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    #667eea 0%,
    #764ba2 25%,
    #f093fb 50%,
    #4facfe 75%,
    #00f2fe 100%
  );
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  opacity: 0.9;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Floating Particles */
.particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  animation: float-particle 20s infinite;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

@keyframes float-particle {
  0%, 100% {
    transform: translateY(0) translateX(0) scale(1);
    opacity: 0;
  }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% {
    transform: translateY(-100vh) translateX(100px) scale(0);
    opacity: 0;
  }
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 25s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 40%; animation-delay: 6s; animation-duration: 22s; }
.particle:nth-child(5) { left: 50%; animation-delay: 8s; }
.particle:nth-child(6) { left: 60%; animation-delay: 10s; animation-duration: 28s; }
.particle:nth-child(7) { left: 70%; animation-delay: 12s; }
.particle:nth-child(8) { left: 80%; animation-delay: 14s; animation-duration: 24s; }
.particle:nth-child(9) { left: 90%; animation-delay: 16s; }

.hero-content {
  position: relative;
  z-index: 5;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
}

.hero-badges {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
  animation: fadeInDown 1s ease-out;
}

.hero-badge {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 10px 24px;
  border-radius: 50px;
  color: white;
  font-weight: 600;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.hero-badge:hover {
  transform: translateY(-3px);
}

.hero-badge i {
  font-size: 16px;
}

.hero-main-title {
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 800;
  color: white;
  text-align: center;
  margin-bottom: 24px;
  line-height: 1.1;
  animation: fadeInUp 1s ease-out 0.2s both;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  letter-spacing: -2px;
}

.hero-main-title .highlight {
  background: linear-gradient(135deg, #ffd700, #ffed4e);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  animation: shimmerText 3s infinite;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 2rem);
  color: rgba(255, 255, 255, 0.95);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 500;
  line-height: 1.5;
  animation: fadeInUp 1s ease-out 0.4s both;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto 50px;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.stat-card {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 30px 20px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.stat-card:hover {
  transform: translateY(-5px) scale(1.02);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: white;
  line-height: 1;
  margin-bottom: 8px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.hero-video-showcase {
  max-width: 1200px;
  margin: 0 auto 50px;
  position: relative;
  animation: fadeInUp 1s ease-out 0.8s both;
}

.video-wrapper {
  position: relative;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.4);
  border: 3px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.5s ease;
}

.video-wrapper:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
}

.video-wrapper video {
  display: block;
  width: 100%;
  height: auto;
}

.video-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  font-weight: 600;
}

.video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
  pointer-events: none;
}

.hero-cta-container {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 1s both;
}

.cta-primary {
  background: white;
  color: #667eea;
  padding: 18px 45px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: all 0.3s ease;
  box-shadow: 0 10px 40px rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.cta-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(102, 126, 234, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.cta-primary:hover::before {
  width: 300px;
  height: 300px;
}

.cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(255, 255, 255, 0.4);
}

.cta-primary i {
  font-size: 1.2rem;
}

.cta-secondary {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: white;
  padding: 18px 45px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: all 0.3s ease;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.cta-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.5);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  z-index: 10;
}

.scroll-indicator i {
  color: white;
  font-size: 2rem;
  opacity: 0.7;
}

/* === DEMO SECTION === */
.demo-section {
  padding: 80px 40px;
  background: white;
  text-align: center;
}

.demo-section h2 {
  font-size: 2.5rem;
  color: #667eea;
  margin-bottom: 20px;
}

.demo-section p {
  font-size: 1.2rem;
  color: #666;
  max-width: 800px;
  margin: 0 auto;
}

/* === ANIMATIONS === */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

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

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

@keyframes bounce {
  0%, 100% { 
    transform: translateX(-50%) translateY(0); 
  }
  50% { 
    transform: translateX(-50%) translateY(-15px); 
  }
}

@keyframes shimmerText {
  0%, 100% { 
    filter: brightness(1); 
  }
  50% { 
    filter: brightness(1.3); 
  }
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1024px) {
  .feature-showcase {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .feature-highlights {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 991px) {
  .nav-container {
    padding: 0 1.5rem;
  }
}

@media (max-width: 768px) {
  .modern-hero {
    padding: 100px 20px 60px;
  }
  
  .hero-main-title {
    font-size: 2.5rem;
    letter-spacing: -1px;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .hero-cta-container {
    flex-direction: column;
    padding: 0 20px;
  }
  
  .cta-primary,
  .cta-secondary {
    width: 100%;
    justify-content: center;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .safety-grid {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .section-container {
    padding: 0 var(--spacing-sm);
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-section {
    padding: var(--spacing-2xl) var(--spacing-sm);
  }
}

/* === MOBILE NAVIGATION === */
@media (max-width: 991px) {
  .mobile-menu-btn {
    display: block;
  }

  .nav-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    width: 100%;
    height: calc(100vh - 72px);
    background: white;
    flex-direction: column;
    padding: 2rem 0;
    overflow-y: auto;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
    z-index: 999;
    align-items: stretch;
    gap: 0;
  }

  .nav-menu.active {
    display: flex;
    left: 0;
  }

  .nav-item {
    width: 100%;
    border-bottom: 1px solid #f3f4f6;
  }

  .nav-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 1rem 2rem;
    color: #1e293b;
    font-size: 1.1rem;
    border-radius: 0;
  }

  .nav-link.has-dropdown::after {
    content: '⌄';
    font-size: 0.8rem;
    transition: transform 0.3s ease;
  }

  .nav-item.dropdown-open > .nav-link.has-dropdown::after {
    transform: rotate(180deg);
  }
  
  .nav-cta {
    width: auto;
    text-align: center;
    margin: 1rem 2rem;
    display: block;
  }

  .nav-item .dropdown {
    position: static;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: #f8fafc;
    transition: max-height 0.4s ease-in-out;
    padding: 0;
  }
  
  .nav-item.dropdown-open .dropdown {
    max-height: 2000px;
    padding: 1rem 0;
  }

  .dropdown-content {
    display: block !important;
    grid-template-columns: 1fr !important;
  }

  .dropdown-content > div {
    border-left: none !important;
    padding: 1rem !important;
  }

  .dropdown-content > div:not(:first-child) {
    border-top: 1px solid #e5e7eb;
  }

  .product-item, .solution-item, .company-item {
    background: white !important;
    margin: 0.5rem 1rem !important;
    padding: 1rem !important;
    border-radius: 8px !important;
  }

  .dropdown-header h3 { 
    font-size: 16px !important; 
  }

  .dropdown-header p { 
    font-size: 12px !important; 
  }
}