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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  line-height: 1.6;
  color: #ffffff;
  background: #0a0e1a;
  overflow-x: hidden;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(14, 165, 233, 0.1);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-size: 1.75rem;
  font-weight: 700;
  color: #0ea5e9;
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-links a {
  color: #94a3b8;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #0ea5e9;
}

.cta-button {
  background: #0ea5e9;
  color: #0a0e1a;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background: #0284c7;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.3);
}

/* Hero Section with Network Background */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: #0a0e1a;
  overflow: hidden;
}

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

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 2rem;
  margin-top: -30vh;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  background: linear-gradient(135deg, #ffffff 0%, #0ea5e9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  color: #94a3b8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero .cta-button {
  font-size: 1.1rem;
  padding: 1rem 2.5rem;
  background: #0ea5e9;
  color: #0a0e1a;
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.2);
}

/* Content Sections */
.section {
  padding: 6rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.dark-section {
  background: linear-gradient(135deg, #111827 0%, #0f172a 100%);
  position: relative;
}

.dark-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(14, 165, 233, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 3rem;
  color: #ffffff;
  position: relative;
}

.section h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, #0ea5e9, transparent);
}

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

.card {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(14, 165, 233, 0.1);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #0ea5e9, transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.card:hover {
  border-color: #0ea5e9;
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(14, 165, 233, 0.1);
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #0ea5e9;
}

.card p {
  color: #94a3b8;
  line-height: 1.6;
}

/* Stats Section */
.stats {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  padding: 4rem 2rem;
  position: relative;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 30%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.stat-item {
  padding: 1.5rem;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(14, 165, 233, 0.1);
  transition: all 0.3s ease;
}

.stat-item:hover {
  border-color: #0ea5e9;
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.1);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: #0ea5e9;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
}

.stat-label {
  color: #94a3b8;
  font-size: 1.1rem;
}

/* Services Grid */
.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #0ea5e9, #06b6d4);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
  transition: all 0.3s ease;
}

.card:hover .service-icon {
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(14, 165, 233, 0.5);
}

/* Footer */
footer {
  background: #0f172a;
  border-top: 1px solid rgba(14, 165, 233, 0.1);
  padding: 3rem 2rem 1rem;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #0ea5e9, transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 2rem;
}

.footer-section h3 {
  color: #0ea5e9;
  margin-bottom: 1rem;
}

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

.footer-section li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: #0ea5e9;
}

.footer-bottom {
  border-top: 1px solid rgba(100, 116, 139, 0.2);
  padding-top: 1rem;
  text-align: center;
  color: #64748b;
}

.footer-bottom a {
  color: #0ea5e9;
  text-decoration: none;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  nav {
    padding: 1rem;
  }

  .section {
    padding: 4rem 1rem;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

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

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