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

:root {
  --neon-blue: #00ffff;
  --neon-purple: #ff00ff;
  --neon-green: #00ff00;
  --dark-bg: #0a0a0a;
  --darker-bg: #050505;
  --card-bg: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 255, 255, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  position: relative;
  font-family: "Orbitron", sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--neon-blue);
  text-shadow: 0 0 10px var(--neon-blue);
}

.logo-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  background: var(--neon-blue);
  filter: blur(20px);
  opacity: 0.3;
  z-index: -1;
  animation: pulse 2s infinite;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--neon-blue);
  text-shadow: 0 0 10px var(--neon-blue);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--neon-blue);
  transition: width 0.3s ease;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--neon-blue);
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.pulse-circle {
  position: absolute;
  top: 50%;
  left: 25%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
}

.circle-inner {
  width: 100%;
  height: 100%;
  border: 3px solid var(--neon-blue);
  border-radius: 50%;
  animation: pulse 3s infinite;
  box-shadow: 0 0 30px var(--neon-blue);
}

.circle-outer {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 340px;
  height: 340px;
  border: 1px solid var(--neon-purple);
  border-radius: 50%;
  animation: rotate 10s linear infinite;
}

.hero-title {
  font-family: "Orbitron", sans-serif;
  font-size: 3.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.title-glow {
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
}

.title-sub {
  display: block;
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  position: relative;
  padding: 12px 30px;
  border: none;
  border-radius: 5px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple));
  color: var(--dark-bg);
  font-weight: 600;
}

.btn-secondary {
  background: transparent;
  color: var(--neon-blue);
  border: 2px solid var(--neon-blue);
}

.btn-glow {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.btn:hover .btn-glow {
  left: 100%;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 255, 255, 0.3);
}

/* Assistant Interface */
.assistant-interface {
  background: var(--card-bg);
  border-radius: 15px;
  padding: 2rem;
  border: 1px solid rgba(0, 255, 255, 0.2);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.interface-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--neon-green);
}

.status-pulse {
  width: 12px;
  height: 12px;
  background: var(--neon-green);
  border-radius: 50%;
  animation: statusPulse 2s infinite;
}

.command-display {
  background: rgba(0, 255, 255, 0.1);
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(0, 255, 255, 0.3);
}

.command-text {
  color: var(--neon-blue);
  font-weight: 500;
}

.voice-animation {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  height: 40px;
}

.voice-bar {
  width: 4px;
  height: 20px;
  background: var(--neon-blue);
  border-radius: 2px;
  animation: voiceWave 1.5s ease-in-out infinite;
}

.voice-bar:nth-child(2) {
  animation-delay: 0.1s;
}
.voice-bar:nth-child(3) {
  animation-delay: 0.2s;
}
.voice-bar:nth-child(4) {
  animation-delay: 0.3s;
}
.voice-bar:nth-child(5) {
  animation-delay: 0.4s;
}

/* Floating Elements */
.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.floating-element {
  position: absolute;
  font-size: 2rem;
  opacity: 0.3;
  animation: float 6s ease-in-out infinite;
}

.el1 {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}
.el2 {
  top: 60%;
  left: 85%;
  animation-delay: 1s;
}
.el3 {
  top: 80%;
  left: 15%;
  animation-delay: 2s;
}
.el4 {
  top: 30%;
  left: 90%;
  animation-delay: 3s;
}

/* Sections */
section {
  padding: 5rem 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-title {
  font-family: "Orbitron", sans-serif;
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid rgba(0, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 255, 255, 0.2);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--neon-blue);
}

.feature-glow {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 255, 255, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

.feature-card:hover .feature-glow {
  left: 100%;
}

/* Commands */
.commands-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.command-category {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid rgba(0, 255, 255, 0.1);
}

.category-title {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: var(--neon-blue);
}

.command-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.command-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  background: rgba(0, 255, 255, 0.05);
  border-radius: 8px;
  border-left: 3px solid var(--neon-blue);
}

.command-text {
  color: var(--neon-blue);
  font-weight: 500;
  font-family: "Courier New", monospace;
}

.command-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.download-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid rgba(0, 255, 255, 0.1);
  text-align: center;
  position: relative;
  transition: transform 0.3s ease;
}

.download-card.featured {
  border-color: var(--neon-blue);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
  transform: scale(1.05);
}

.feature-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  background: var(--neon-blue);
  color: var(--dark-bg);
  padding: 5px 15px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
}

.download-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.btn-download {
  margin-top: 1.5rem;
  width: 100%;
}

/* Documentation */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.doc-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid rgba(0, 255, 255, 0.1);
}

.doc-card h3 {
  color: var(--neon-blue);
  margin-bottom: 1rem;
}

.code-block {
  background: rgba(0, 0, 0, 0.5);
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
  border: 1px solid rgba(0, 255, 255, 0.2);
}

.code-block code {
  color: var(--neon-green);
  font-family: "Courier New", monospace;
}

.doc-card ul {
  list-style: none;
  padding-left: 1rem;
}

.doc-card li {
  margin: 0.5rem 0;
  position: relative;
}

.doc-card li::before {
  content: "▸";
  color: var(--neon-blue);
  position: absolute;
  left: -1rem;
}

/* Footer */
.footer {
  background: var(--darker-bg);
  padding: 3rem 0 1rem;
  border-top: 1px solid rgba(0, 255, 255, 0.1);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand h3 {
  color: var(--neon-blue);
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

/* Animations */
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.05);
  }
}

@keyframes rotate {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes statusPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

@keyframes voiceWave {
  0%,
  100% {
    transform: scaleY(1);
  }
  50% {
    transform: scaleY(2);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: var(--card-bg);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 2rem 0;
  }

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

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .pulse-circle {
    display: none;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .features-grid,
  .commands-container,
  .download-cards,
  .docs-grid {
    grid-template-columns: 1fr;
  }

  .download-card.featured {
    transform: scale(1);
  }

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

  .footer-links {
    justify-content: center;
  }
}