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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  line-height: 1.5;
  color: #F9FAFB;
  background: #111827;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(17, 24, 39, 0.9);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid rgba(34, 197, 94, 0.2);
}

nav .logo {
  font-weight: 700;
  font-size: 1.2rem;
  color: #22C55E;
  text-decoration: none;
}

nav .nav-links {
  display: flex;
  gap: 2rem;
}

nav a {
  color: #F9FAFB;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: #22C55E;
}

/* Hero Section - Accessibility-forward Charcoal + Green */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  background: #111827;
  position: relative;
  overflow: hidden;
}

/* Subtle green glow effect */
.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  font-size: 4.5rem;
  font-weight: 300;
  color: #F9FAFB;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero .tagline {
  font-size: 1.25rem;
  color: #D1D5DB;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: #22C55E;
  color: #052E16;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(34, 197, 94, 0.3);
  background: #16a34a;
}

/* Product Image Section */
.product-image {
  margin-top: 3rem;
  max-width: 600px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.product-image:hover {
  transform: scale(1.02);
  border-color: rgba(34, 197, 94, 0.4);
}

.product-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Pagination dots */
.dots {
  display: flex;
  gap: 0.5rem;
  margin-top: 3rem;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(209, 213, 219, 0.3);
}

.dot.active {
  background: #22C55E;
}

/* About page styles */
.about-page {
  min-height: 100vh;
  background: #111827;
  padding-top: 5rem;
}

.about-hero {
  background: linear-gradient(180deg, rgba(34, 197, 94, 0.1) 0%, transparent 100%);
  padding: 4rem 2rem;
  text-align: center;
  border-bottom: 1px solid rgba(34, 197, 94, 0.2);
}

.about-hero h1 {
  font-size: 3rem;
  font-weight: 300;
  color: #F9FAFB;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.about-hero .subtitle {
  font-size: 1.25rem;
  color: #22C55E;
  max-width: 600px;
  margin: 0 auto;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

.about-section {
  margin-bottom: 3rem;
}

.about-section h2 {
  font-size: 1.5rem;
  color: #22C55E;
  margin-bottom: 1rem;
  font-weight: 600;
}

.about-section p {
  font-size: 1.125rem;
  color: #D1D5DB;
  line-height: 1.8;
}

.about-section code {
  background: rgba(34, 197, 94, 0.15);
  color: #22C55E;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
  font-size: 1rem;
}

.about-section.cta-section {
  background: rgba(34, 197, 94, 0.05);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  margin-top: 4rem;
}

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

.about-section.cta-section p {
  margin-bottom: 1.5rem;
}

/* Responsive About page */
@media (max-width: 768px) {
  .about-hero h1 {
    font-size: 2rem;
  }

  .about-hero .subtitle {
    font-size: 1rem;
  }

  .about-content {
    padding: 2rem 1rem 3rem;
  }

  .about-section p {
    font-size: 1rem;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero .tagline {
    font-size: 1rem;
  }

  nav {
    padding: 1rem;
  }

  nav .nav-links {
    gap: 1rem;
  }

  .product-image {
    max-width: 90%;
  }
}

/* Setup page styles */
.setup-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
  background: #111827;
  min-height: 100vh;
  color: #F9FAFB;
}

.setup-container h1 {
  color: #F9FAFB;
  margin-bottom: 1rem;
  font-size: 2.5rem;
}

.setup-container .intro {
  color: #D1D5DB;
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.setup-section {
  margin-bottom: 2.5rem;
}

.setup-section h2 {
  color: #22C55E;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(34, 197, 94, 0.3);
  padding-bottom: 0.5rem;
}

.setup-section h3 {
  color: #F9FAFB;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.setup-section p {
  color: #D1D5DB;
  margin-bottom: 0.75rem;
}

.code-block {
  background: #1F2937;
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.code-block code {
  color: #22C55E;
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
  font-size: 0.95rem;
}

.code-comment {
  color: #6B7280;
  font-size: 0.85rem;
}

.command-card {
  background: rgba(31, 41, 55, 0.5);
  border: 1px solid rgba(34, 197, 94, 0.15);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.command-card h3 {
  color: #22C55E;
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
}

.file-types {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}

.file-types li {
  background: #1F2937;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  color: #F9FAFB;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.file-ext {
  color: #6B7280;
  font-size: 0.85rem;
  margin-left: 0.5rem;
}

.features-list,
.fix-list {
  list-style: none;
}

.features-list li,
.fix-list li {
  padding: 0.5rem 0;
  color: #D1D5DB;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.features-list li:last-child,
.fix-list li:last-child {
  border-bottom: none;
}

.features-list li::before,
.fix-list li::before {
  content: '>';
  color: #22C55E;
  margin-right: 0.75rem;
  font-weight: bold;
}

.features-list strong {
  color: #F9FAFB;
}

/* Setup page responsive */
@media (max-width: 768px) {
  .setup-container {
    padding: 5rem 1rem 2rem;
  }

  .setup-container h1 {
    font-size: 2rem;
  }

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

  .code-block {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}