:root {
  
  --bg-primary: #0a0a0c;
  --bg-secondary: #121217;
  --bg-glass: rgba(18, 18, 23, 0.6);
  --border-glass: rgba(255, 255, 255, 0.08);
  
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  
  --accent-purple: #a855f7;
  --accent-cyan: #06b6d4;
  --accent-pink: #ec4899;
  
  --gradient-glow: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  
  
  --max-width: 1200px;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  
  
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}


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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--text-secondary);
}

ul {
  list-style: none;
}

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


h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.section-subtitle {
  color: var(--text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  font-size: 1.125rem;
}


.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}


.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  transition: transform var(--transition-smooth), background-color var(--transition-smooth);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  position: relative;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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


.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-smooth);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
  color: var(--bg-primary);
}

.btn-glow {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.btn-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-glow);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  z-index: -1;
}

.btn-glow:hover {
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.3);
}

.btn-glow:hover::before {
  opacity: 1;
}


.hero {
  padding-top: 160px;
  padding-bottom: var(--spacing-xl);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}


.glow-bg {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(168,85,247,0.15) 0%, rgba(6,182,212,0.05) 50%, rgba(10,10,12,0) 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  pointer-events: none;
  filter: blur(60px);
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  max-width: 900px;
  margin-bottom: var(--spacing-md);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: var(--spacing-lg);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease forwards 0.4s;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease forwards 0.6s;
}


.product-showcase {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.product-content {
  padding-right: var(--spacing-md);
}

.product-content h2 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  margin-bottom: 1rem;
}

.product-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.feature-list {
  margin-bottom: 2rem;
}

.feature-list li {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 1.05rem;
  color: #e4e4e7;
}

.feature-list li::before {
  content: '✓';
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 24px;
  height: 24px;
  background: rgba(168, 85, 247, 0.2);
  color: var(--accent-purple);
  border-radius: 50%;
  margin-right: 12px;
  font-size: 0.8rem;
}

.product-visual {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-glass);
}

.product-visual::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 80%, var(--bg-primary) 100%);
  pointer-events: none;
}

.product-visual img {
  width: 100%;
  transition: transform 0.7s ease;
}

.product-visual:hover img {
  transform: scale(1.03);
}


.philosophy {
  padding: var(--spacing-xl) 0;
  background: var(--bg-secondary);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 2.5rem;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.2);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

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


footer {
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--border-glass);
  text-align: center;
  color: var(--text-secondary);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem; 
}

.footer-logo {
  font-weight: 700;
  font-size: 1.25rem; 
  color: var(--text-primary);
}

.footer-tagline {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7); 
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-smooth);
}

.footer-links a:hover {
  color: rgba(255, 255, 255, 1);
}


.footer-legal {
  margin-top: 1.75rem; 
  font-size: 0.8rem;   
  color: rgba(255, 255, 255, 0.4); 
}

.footer-legal p {
  margin-bottom: 0.4rem; 
}

.corporate-info strong {
  color: rgba(255, 255, 255, 0.65); 
  font-weight: 500;
}


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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}


@media (max-width: 768px) {
  .nav-links {
    display: none; 
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .product-content {
    padding-right: 0;
    text-align: center;
  }
  
  .feature-list li {
    justify-content: center;
  }
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
  
  .navbar .btn {
    width: auto;
    padding: 0.5rem 1rem;
  }
  
  .logo {
    white-space: nowrap;
  }
}