/* ==========================================
   VARIABLES & RESET
   ========================================== */
:root {
  /* Colores base - paleta científico-tecnológica */
  --bg-primary: #060810;
  --bg-secondary: #0a0e1a;
  --bg-tertiary: #0f1423;
  --surface: #141b2e;
  --surface-elevated: #1a2235;
  
  /* Textos */
  --text-primary: #e8edf9;
  --text-secondary: #b4bfd9;
  --text-muted: #7a8aab;
  
  /* Acentos tecnológicos */
  --accent-cyan: #00d9ff;
  --accent-blue: #3b82f6;
  --accent-purple: #a78bfa;
  --accent-violet: #8b5cf6;
  --accent-pink: #ec4899;
  
  /* Estados */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  --gradient-secondary: linear-gradient(135deg, var(--accent-purple), var(--accent-violet));
  --gradient-accent: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  --gradient-tech: linear-gradient(135deg, #00d9ff 0%, #3b82f6 50%, #a78bfa 100%);
  
  /* Sombras y efectos */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --glow-cyan: 0 0 30px rgba(0, 217, 255, 0.3);
  --glow-purple: 0 0 30px rgba(167, 139, 250, 0.3);
  
  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  scroll-snap-type: y mandatory;
  overflow-y: scroll;
  height: 100vh;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  height: 100%;
}

/* ==========================================
   NAVEGACIÓN
   ========================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 8, 16, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-base);
}

.nav-wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  cursor: pointer;
  transition: var(--transition-base);
}

.brand:hover {
  transform: translateY(-1px);
}

.logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gradient-tech);
  position: relative;
  box-shadow: var(--glow-cyan);
  animation: logoFloat 3s ease-in-out infinite;
}

.logo::before {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 7px;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.2), transparent 60%),
              linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-3px); }
}

.menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  transition: var(--transition-fast);
}

.menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-base);
}

.menu a:hover {
  color: var(--text-primary);
}

.menu a:hover::after {
  width: 100%;
}

.cta {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.btn-contact {
  padding: 0.625rem 1.5rem;
  background: var(--gradient-primary);
  color: var(--bg-primary);
  font-weight: 700;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition-base);
  box-shadow: var(--shadow-md);
  font-size: 0.95rem;
}

.btn-contact:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--glow-cyan);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 6rem 0 4rem;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

#heroCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(1200px 800px at 70% 30%, rgba(0, 217, 255, 0.15), transparent 60%),
    radial-gradient(1000px 700px at 30% 70%, rgba(167, 139, 250, 0.12), transparent 60%),
    radial-gradient(1400px 900px at -10% -10%, rgba(59, 130, 246, 0.1), transparent 60%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-text {
  animation: fadeInUp 0.8s ease;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  line-height: 1.1;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: var(--gradient-tech);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 8s ease infinite;
  background-size: 200% 200%;
}

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

.hero-lead {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn-primary,
.btn-secondary {
  padding: 1rem 2rem;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--glow-cyan);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-tech);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

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

/* Hero Visual */
.hero-visual {
  animation: fadeInUp 0.8s ease 0.2s both;
}

.visual-card {
  background: linear-gradient(135deg, rgba(20, 27, 46, 0.4), rgba(10, 14, 26, 0.6));
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: 0;
  backdrop-filter: blur(30px);
  box-shadow: 
    var(--shadow-xl),
    0 0 40px rgba(0, 217, 255, 0.15),
    inset 0 0 60px rgba(0, 217, 255, 0.03);
  position: relative;
  overflow: hidden;
}

.visual-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-purple), transparent);
  animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0;
  padding: 1.25rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  background: rgba(6, 8, 16, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.card-header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 
    0 0 10px var(--success),
    0 0 20px rgba(16, 185, 129, 0.5);
  animation: pulse 2s ease-in-out infinite;
}

.system-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: 'Space Grotesk', monospace;
}

.system-stat {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.system-stat-value {
  color: var(--accent-cyan);
  font-weight: 700;
}

#scene3d {
  width: 100%;
  height: 450px;
  background: 
    radial-gradient(circle at 50% 50%, rgba(0, 217, 255, 0.08), transparent 70%),
    radial-gradient(circle at 80% 30%, rgba(167, 139, 250, 0.06), transparent 60%),
    linear-gradient(135deg, #070912 0%, #0d1220 100%);
  position: relative;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0;
  padding: 1rem 1.5rem;
  background: rgba(6, 8, 16, 0.6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}

.tech-badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tech-badge {
  padding: 0.375rem 0.875rem;
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid rgba(0, 217, 255, 0.3);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
}

.tech-badge:nth-child(2) {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--accent-blue);
}

.tech-badge:nth-child(3) {
  background: rgba(167, 139, 250, 0.1);
  border-color: rgba(167, 139, 250, 0.3);
  color: var(--accent-purple);
}

.tech-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 217, 255, 0.2);
}

.processing-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: 'Space Grotesk', monospace;
}

.processing-dots {
  display: flex;
  gap: 0.25rem;
}

.processing-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-cyan);
  animation: processingPulse 1.4s ease-in-out infinite;
}

.processing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.processing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes processingPulse {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: fadeIn 1s ease 1s both;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.scroll-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--accent-cyan), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0%, 100% { transform: translateY(0); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateY(20px); opacity: 0; }
}

/* ==========================================
   SECTIONS - SHARED STYLES
   ========================================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 3rem);
}

section {
  padding: 6rem 0;
  position: relative;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section-header {
  margin-bottom: 4rem;
}

.section-header.centered {
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 217, 255, 0.1);
  border-radius: 999px;
  border: 1px solid rgba(0, 217, 255, 0.2);
}

.section-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 700px;
}

.section-header.centered .section-subtitle {
  margin: 0 auto;
}

/* ==========================================
   TECH SECTION
   ========================================== */
.tech-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
}

.tech-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.3), transparent);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.tech-card {
  background: rgba(20, 27, 46, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-base);
}

.tech-card.primary::before {
  background: var(--gradient-primary);
}

.tech-card.secondary::before {
  background: var(--gradient-secondary);
}

.tech-card.accent::before {
  background: var(--gradient-accent);
}

.tech-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
}

.tech-card:hover::before {
  transform: scaleX(1);
}

.tech-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  position: relative;
}

.icon-ai,
.icon-blockchain,
.icon-integration {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  position: relative;
}

.icon-ai {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.2), rgba(59, 130, 246, 0.2));
  border: 1px solid rgba(0, 217, 255, 0.3);
  box-shadow: var(--glow-cyan);
}

.icon-blockchain {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid rgba(167, 139, 250, 0.3);
  box-shadow: var(--glow-purple);
}

.icon-integration {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(167, 139, 250, 0.2));
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.tech-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.tech-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.tech-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.feature-tag {
  padding: 0.375rem 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.tech-visual canvas {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #0a0e1a, #0f1423);
}

/* ==========================================
   SOLUTIONS SECTION
   ========================================== */
.solutions-section {
  background: var(--bg-secondary);
}

.solutions-showcase {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.solution-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.solution-main.reverse {
  direction: rtl;
}

.solution-main.reverse > * {
  direction: ltr;
}

.solution-number {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-tech);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.solution-content h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.solution-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.solution-list {
  list-style: none;
  margin-bottom: 2rem;
}

.solution-list li {
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  position: relative;
  line-height: 1.6;
}

.solution-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: 700;
}

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

.solution-tags span {
  padding: 0.5rem 1rem;
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

/* Demo Windows */
.demo-window {
  background: rgba(20, 27, 46, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-xl);
}

.demo-header {
  padding: 1rem 1.5rem;
  background: rgba(10, 14, 26, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.demo-controls {
  display: flex;
  gap: 0.5rem;
}

.demo-controls span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.demo-controls span:nth-child(1) { background: #ef4444; }
.demo-controls span:nth-child(2) { background: #f59e0b; }
.demo-controls span:nth-child(3) { background: #10b981; }

.demo-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

#visionDemo {
  width: 100%;
  height: 320px;
  display: block;
  background: linear-gradient(135deg, #0a0e1a, #0f1423);
}

.demo-stats {
  padding: 1rem 1.5rem;
  background: rgba(10, 14, 26, 0.6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-around;
  gap: 1rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.stat-value.ok {
  color: var(--success);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Blockchain Demo */
.blockchain-viz {
  padding: 2rem;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.block-item {
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.3);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: 'Space Grotesk', monospace;
  font-size: 0.875rem;
  color: var(--text-secondary);
  animation: blockAppear 0.4s ease;
}

@keyframes blockAppear {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Research Card */
.research-card {
  background: rgba(20, 27, 46, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: 2rem;
  backdrop-filter: blur(20px);
}

.research-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.research-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  box-shadow: var(--glow-cyan);
}

.research-header span {
  font-weight: 600;
  color: var(--text-secondary);
}

.research-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.research-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent-cyan);
  transition: var(--transition-base);
}

.research-step:hover {
  background: rgba(255, 255, 255, 0.05);
  border-left-color: var(--accent-purple);
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.step-info h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.step-info p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
}

/* ==========================================
   ADVANTAGES SECTION
   ========================================== */
.advantages-section {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.advantage-card {
  background: rgba(20, 27, 46, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: var(--transition-base);
}

.advantage-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
}

.advantage-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  position: relative;
}

.advantage-icon svg {
  width: 32px;
  height: 32px;
  color: white;
  position: relative;
  z-index: 1;
}

.gradient-1 { background: linear-gradient(135deg, rgba(0, 217, 255, 0.2), rgba(59, 130, 246, 0.2)); }
.gradient-2 { background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(167, 139, 250, 0.2)); }
.gradient-3 { background: linear-gradient(135deg, rgba(167, 139, 250, 0.2), rgba(236, 72, 153, 0.2)); }
.gradient-4 { background: linear-gradient(135deg, rgba(0, 217, 255, 0.2), rgba(167, 139, 250, 0.2)); }
.gradient-5 { background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(236, 72, 153, 0.2)); }
.gradient-6 { background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(0, 217, 255, 0.2)); }

.advantage-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.advantage-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ==========================================
   INDUSTRIES SECTION
   ========================================== */
.industries-section {
  background: var(--bg-secondary);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.industry-card {
  background: rgba(20, 27, 46, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}

.industry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue), var(--accent-purple));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-base);
}

.industry-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
}

.industry-card:hover::before {
  transform: scaleX(1);
}

.industry-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(59, 130, 246, 0.1));
  border: 1px solid rgba(0, 217, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.industry-card:hover .industry-icon {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.2), rgba(59, 130, 246, 0.2));
  border-color: rgba(0, 217, 255, 0.4);
  box-shadow: var(--glow-cyan);
}

.industry-icon svg {
  width: 32px;
  height: 32px;
  color: var(--accent-cyan);
  transition: var(--transition-base);
}

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

.industry-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}

.industry-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
  margin: 0;
  flex: 1;
}

.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.industry-tags span {
  padding: 0.375rem 0.75rem;
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.industries-cta {
  background: linear-gradient(135deg, rgba(20, 27, 46, 0.6), rgba(10, 14, 26, 0.8));
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: 3rem;
  text-align: center;
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  position: relative;
  overflow: hidden;
}

.industries-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-purple), transparent);
  animation: shimmer 3s linear infinite;
}

.cta-content {
  max-width: 600px;
}

.cta-content h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 1rem 0;
  background: var(--gradient-tech);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-content p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.6;
  margin: 0;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-info h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.contact-info > p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 3rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem;
  background: rgba(20, 27, 46, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.contact-method:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(20, 27, 46, 0.6);
}

.method-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.method-icon svg {
  width: 24px;
  height: 24px;
  color: var(--bg-primary);
}

.method-info h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.method-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

.email-link {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition-fast);
}

.email-link:hover {
  color: var(--accent-blue);
  text-decoration: underline;
}

.contact-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
}

.feature-item svg {
  width: 20px;
  height: 20px;
  color: var(--success);
  flex-shrink: 0;
}

/* Terminal Window */
.terminal-window {
  background: rgba(10, 14, 26, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  font-family: 'Space Grotesk', monospace;
}

.terminal-header {
  padding: 1rem 1.5rem;
  background: rgba(6, 8, 16, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.terminal-controls {
  display: flex;
  gap: 0.5rem;
}

.terminal-controls span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-controls span:nth-child(1) { background: #ef4444; }
.terminal-controls span:nth-child(2) { background: #f59e0b; }
.terminal-controls span:nth-child(3) { background: #10b981; }

.terminal-title {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 2rem;
  min-height: 300px;
}

.terminal-line {
  margin-bottom: 0.75rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.prompt {
  color: var(--accent-cyan);
  font-weight: 700;
}

.terminal-line.output {
  padding-left: 2rem;
}

.success {
  color: var(--success);
  font-weight: 700;
}

.cursor {
  animation: blink 1s step-end infinite;
  color: var(--accent-cyan);
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand .brand {
  margin-bottom: 1rem;
}

.footer-tagline {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  max-width: 400px;
}

.footer-email a {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition-fast);
}

.footer-email a:hover {
  color: var(--accent-blue);
  text-decoration: underline;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-column a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 0.75rem;
  transition: var(--transition-fast);
  font-size: 0.9rem;
}

.footer-column a:hover {
  color: var(--text-primary);
  padding-left: 0.5rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: 2rem;
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

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

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1200px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
  }
  
  .solution-main,
  .contact-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .solution-main.reverse {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  .menu {
    display: none;
  }
  
  .nav-wrap {
    padding: 1rem;
  }
  
  .hero {
    padding: 5rem 0 3rem;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-stats {
    gap: 2rem;
  }
  
  section {
    padding: 4rem 0;
  }
  
  .section-header {
    margin-bottom: 3rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .tech-grid,
  .advantages-grid,
  .partners-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .demo-stats {
    flex-direction: column;
  }
}