:root {
  /* Intel-inspired color palette */
  --primary-blue: #0071c5;
  --secondary-blue: #00aeef;
  --accent-cyan: #00c7fd;
  --accent-purple: #6366f1;
  --bg-dark: #0a0a1a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  --border-glass: rgba(255, 255, 255, 0.1);
  --gradient-primary: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  --gradient-hero: linear-gradient(
    135deg,
    #0a0a1a 0%,
    #0d1b2a 50%,
    #1b263b 100%
  );
  --shadow-glow: 0 0 40px rgba(0, 113, 197, 0.3);
  --border-radius: 16px;
  --transition-smooth: all 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:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: 3.5rem;
}
h2 {
  font-size: 2.5rem;
}
h3 {
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
  h3 {
    font-size: 1.25rem;
  }
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(10, 10, 26, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition-smooth);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.nav-logo img {
  height: 32px;
  width: auto;
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
  position: relative;
}

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

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-smooth);
}

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

.nav-cta {
  display: flex;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(0, 113, 197, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 113, 197, 0.5);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(
      ellipse at 20% 20%,
      rgba(0, 113, 197, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 80% 80%,
      rgba(99, 102, 241, 0.1) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.hero-content {
  text-align: center;
  z-index: 1;
  max-width: 900px;
  padding: 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  font-size: 0.9rem;
  color: var(--secondary-blue);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.hero-badge::before {
  content: "🚀";
}

.hero-title {
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #a0aec0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-logo {
  margin-top: 3rem;
}

.hero-logo img {
  max-width: 400px;
  width: 100%;
  opacity: 0.9;
  transition: var(--transition-smooth);
}

.hero-logo img:hover {
  opacity: 1;
  transform: scale(1.02);
}

/* Stats Bar */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

/* Section Styles */
.section {
  padding: 6rem 0;
  position: relative;
}

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

.section-label {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(0, 113, 197, 0.1);
  border: 1px solid rgba(0, 113, 197, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--secondary-blue);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius);
  padding: 2rem;
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 113, 197, 0.3);
  box-shadow: var(--shadow-glow);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 113, 197, 0.1);
  border-radius: 12px;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.feature-title {
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

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

/* Demo Section */
.demo-section {
  background: linear-gradient(
    180deg,
    var(--bg-dark) 0%,
    rgba(13, 27, 42, 0.5) 100%
  );
}

.demo-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 900px) {
  .demo-container {
    grid-template-columns: 1fr;
  }
}

.demo-content h2 {
  margin-bottom: 1.5rem;
}

.demo-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.demo-features {
  list-style: none;
}

.demo-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.demo-features li::before {
  content: "✓";
  color: var(--secondary-blue);
  font-weight: bold;
}

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

.demo-preview img {
  width: 100%;
  height: auto;
  display: block;
}

.demo-browser-bar {
  background: rgba(30, 30, 50, 0.9);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.browser-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.browser-dot.red {
  background: #ff5f56;
}
.browser-dot.yellow {
  background: #ffbd2e;
}
.browser-dot.green {
  background: #27c93f;
}

/* Results Section - Charts */
.results-section {
  background: var(--bg-dark);
}

.chart-container {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius);
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.chart-wrapper {
  position: relative;
  height: 400px;
}

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: 4px;
}

/* Model Zoo Section */
.models-section {
  background: linear-gradient(
    180deg,
    rgba(13, 27, 42, 0.5) 0%,
    var(--bg-dark) 100%
  );
}

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

.model-category {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.model-category-header {
  background: rgba(0, 113, 197, 0.1);
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.model-category-icon {
  font-size: 1.5rem;
}

.model-category-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.model-list {
  padding: 1rem;
}

.model-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--border-glass);
}

.model-item:last-child {
  border-bottom: none;
}

.model-name {
  font-weight: 500;
}

.model-tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  background: rgba(0, 174, 239, 0.1);
  color: var(--secondary-blue);
  border-radius: 4px;
}

/* Installation Section */
.install-section {
  background: var(--bg-dark);
}

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

.install-step {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius);
  padding: 2rem;
  backdrop-filter: blur(10px);
  position: relative;
}

.step-number {
  position: absolute;
  top: -1rem;
  left: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.1rem;
}

.step-title {
  margin-bottom: 1rem;
  padding-top: 0.5rem;
}

.code-block {
  background: rgba(0, 0, 0, 0.4);
  border-radius: 8px;
  padding: 1rem;
  font-family: "Fira Code", "Monaco", monospace;
  font-size: 0.9rem;
  overflow-x: auto;
  color: var(--secondary-blue);
}

.code-block code {
  color: inherit;
}

/* CTA Section */
.cta-section {
  padding: 6rem 0;
  background: linear-gradient(
    135deg,
    rgba(0, 113, 197, 0.1) 0%,
    rgba(99, 102, 241, 0.05) 100%
  );
  text-align: center;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  margin-bottom: 1rem;
}

.cta-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: rgba(5, 5, 15, 0.8);
  border-top: 1px solid var(--border-glass);
  padding: 3rem 0 2rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
}

.footer-logo img {
  height: 28px;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

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

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

.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

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

.animate-fade-in {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

/* Scroll animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-btn span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-smooth);
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .stats-bar {
    gap: 2rem;
  }
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-blue);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-blue);
}