:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #0f0f0f;
  --bg-tertiary: #161616;
  --text-primary: #ffffff;
  --text-secondary: rgba(255,255,255,0.7);
  --text-muted: rgba(255,255,255,0.5);
  --border-subtle: rgba(255,255,255,0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1 { font-size: clamp(48px, 8vw, 80px); line-height: 1.1; font-weight: 500; letter-spacing: -0.02em; }
h2 { font-size: clamp(32px, 5vw, 48px); line-height: 1.15; font-weight: 500; letter-spacing: -0.01em; }
h3 { font-size: clamp(20px, 3vw, 28px); line-height: 1.3; font-weight: 500; }

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 800px; }

/* Sections - Premium spacing */
section { padding: 112px 0; }
.section-compact { padding: 64px 0; }

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: rgba(10,10,10,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--text-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--bg-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--text-primary);
  color: var(--bg-primary) !important;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 500;
}

.nav-cta:hover { background: rgba(255,255,255,0.9); }

/* Buttons */
.btn {
  padding: 16px 32px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-1px);
}

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

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

.btn-large {
  padding: 18px 40px;
  font-size: 17px;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-content {
  max-width: 720px;
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 24px;
}

.hero h1 { margin-bottom: 32px; }

.hero-description {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Cards - Image dominant */
.card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s;
}

.card:hover { transform: translateY(-4px); }

.card-image {
  aspect-ratio: 16/10;
  background: var(--bg-tertiary);
  position: relative;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-content {
  padding: 24px;
}

.card-content h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.card-content p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
}

.feature-large {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.feature-image {
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Stats - Minimal */
.stats {
  display: flex;
  gap: 80px;
  padding-top: 80px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 80px;
}

.stat-number {
  font-size: 48px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
}

/* Section headers */
.section-header {
  margin-bottom: 64px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 540px;
}

.section-header.center {
  text-align: center;
}

.section-header.center p {
  margin: 0 auto;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: var(--text-primary);
  background: var(--bg-tertiary);
}

.pricing-name {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.pricing-price {
  font-size: 48px;
  font-weight: 500;
  margin-bottom: 8px;
}

.pricing-price span {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 400;
}

.pricing-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  flex: 1;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.pricing-features li:last-child { border-bottom: none; }
.pricing-features li::before { content: "✓"; color: var(--text-primary); font-weight: 600; }

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 80px;
}

.faq-item h3 {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 12px;
}

.faq-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Footer */
footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 16px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 12px;
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}

/* Docs */
.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 64px;
  padding-top: 80px;
}

.docs-sidebar {
  position: sticky;
  top: 100px;
}

.docs-sidebar h4 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.docs-sidebar ul { list-style: none; margin-bottom: 32px; }
.docs-sidebar li { margin-bottom: 10px; }
.docs-sidebar a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.docs-sidebar a:hover,
.docs-sidebar a.active { color: var(--text-primary); }

.docs-content h1 { margin-bottom: 24px; }
.docs-content p { color: var(--text-secondary); margin-bottom: 20px; font-size: 15px; line-height: 1.7; }
.docs-content h2 { font-size: 28px; margin: 48px 0 20px; }
.docs-content h3 { font-size: 22px; margin: 36px 0 16px; }
.docs-content ul, .docs-content ol { margin-bottom: 20px; padding-left: 24px; color: var(--text-secondary); }
.docs-content li { margin-bottom: 10px; }
.docs-content code {
  background: var(--bg-tertiary);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
}
.docs-content pre {
  background: var(--bg-tertiary);
  padding: 24px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: 24px;
  font-size: 13px;
}

/* Contact Form */
.contact-form { max-width: 480px; }

.form-group { margin-bottom: 24px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: inherit;
  color: var(--text-primary);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(255,255,255,0.3);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* Responsive */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-large { grid-template-columns: 1fr; gap: 40px; }
  .feature-grid-2 { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .faq-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 768px) {
  nav { padding: 16px 20px; }
  .nav-links { display: none; }
  
  section { padding: 64px 0; }
  .container { padding: 0 20px; }
  
  .feature-grid { grid-template-columns: 1fr; }
  .stats { flex-direction: column; gap: 32px; }
  
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { display: none; }
}