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

:root {
  --primary: #00f5ff;
  --secondary: #ff00ff;
  --accent: #7c3aed;
  --dark: #0a0a0f;
  --darker: #05050a;
  --light: #ffffff;
}

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

/* Animated Grid Background */
.grid-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(90deg, rgba(0, 245, 255, 0.03) 1px, transparent 1px),
    linear-gradient(rgba(0, 245, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
  z-index: 0;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

/* Glowing Orbs */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  z-index: 1;
  pointer-events: none;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--primary), transparent);
  top: -300px;
  left: -200px;
  animation: float1 25s ease-in-out infinite;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--secondary), transparent);
  bottom: -250px;
  right: -150px;
  animation: float2 20s ease-in-out infinite;
}

.orb-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent), transparent);
  top: 40%;
  right: 20%;
  animation: float3 30s ease-in-out infinite;
}

@keyframes float1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(100px, 150px) scale(1.2); }
}

@keyframes float2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-100px, -100px) scale(1.1); }
}

@keyframes float3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, -80px) scale(0.9); }
}

/* Header */
header {
  position: fixed;
  top: 0;
  height: 70px;
  width: 100%;
  z-index: 100;
  background: rgba(10, 10, 15, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 245, 255, 0.1);
  transition: all 0.3s ease;
}

header.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-menu {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-menu a {
  color: var(--light);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
  position: relative;
}

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

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s;
}

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

.btn {
  padding: 0.75rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--darker);
  box-shadow: 0 0 30px rgba(0, 245, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 245, 255, 0.5);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: left 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 2rem;
  z-index: 2;
}

.hero-content {
  max-width: 1200px;
  text-align: center;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: rgba(0, 245, 255, 0.1);
  border: 1px solid rgba(0, 245, 255, 0.3);
  border-radius: 50px;
  font-size: 0.9rem;
  margin-bottom: 2rem;
  animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 10px rgba(0, 245, 255, 0.2); }
  50% { box-shadow: 0 0 20px rgba(0, 245, 255, 0.4); }
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  font-weight: 900;
  letter-spacing: -2px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { filter: hue-rotate(0deg); }
  50% { filter: hue-rotate(20deg); }
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: rgba(255, 255, 255, 0.7);
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}

.cta-group {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-secondary {
  padding: 0.75rem 2rem;
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.btn-secondary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: var(--primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
}

.btn-secondary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-secondary span {
  position: relative;
  z-index: 1;
}

.btn-secondary:hover {
  color: var(--darker);
  border-color: var(--primary);
}

/* Tech Features */
.features {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 8rem;
}

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

.feature-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 20px;
  padding: 2.5rem;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 245, 255, 0.05), rgba(255, 0, 255, 0.05));
  opacity: 0;
  transition: opacity 0.4s;
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
  box-shadow: 0 20px 60px rgba(0, 245, 255, 0.2);
}

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

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: block;
  position: relative;
  z-index: 1;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.feature-card p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* Particle Effect */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--primary);
  border-radius: 50%;
  animation: particleFloat 20s linear infinite;
  opacity: 0.3;
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 0.3;
  }
  90% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(-100px) translateX(100px);
    opacity: 0;
  }
}

/* Mobile Menu */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--light);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    flex-direction: column;
    padding: 2rem;
    border-top: 1px solid rgba(0, 245, 255, 0.2);
    backdrop-filter: blur(20px);
  }

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

  .mobile-toggle {
    display: block;
  }

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

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

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 50px;
  border: 2px solid var(--primary);
  border-radius: 20px;
  opacity: 0.7;
  animation: scrollBounce 2s infinite;
}

.scroll-indicator::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: scrollDot 2s infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

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