:root {
  color-scheme: dark;
  --background: 240 6% 6%;
  --foreground: 0 0% 98%;
  --primary: 250 95% 65%;
  --primary-glow: 280 95% 65%;
  --card: 240 5% 10%;
  --card-hover: 240 5% 14%;
  --border: 240 4% 16%;
  --muted: 240 5% 55%;
  --accent: 250 95% 65%;
  font-family: 'Inter', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background effects */
.bg-effects {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(128px);
  opacity: 0.4;
}

.bg-glow-1 {
  top: 10%;
  left: 15%;
  width: 500px;
  height: 500px;
  background: hsl(var(--primary) / 0.3);
}

.bg-glow-2 {
  bottom: 20%;
  right: 10%;
  width: 400px;
  height: 400px;
  background: hsl(var(--primary-glow) / 0.2);
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, #000 70%, transparent 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

code,
pre {
  font-family: 'SFMono-Regular', ui-monospace, 'JetBrains Mono', monospace;
}

/* Site shell */
.site-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 64px;
}

/* Topbar */
.topbar {
  position: sticky;
  top: 16px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 20px;
  border-radius: 16px;
  background: hsl(var(--card) / 0.8);
  border: 1px solid hsl(var(--border));
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.1rem;
}

.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-glow)));
  color: white;
}

.brand-text {
  font-weight: 700;
}

.topnav {
  display: flex;
  gap: 8px;
}

.topnav a {
  padding: 8px 14px;
  border-radius: 10px;
  color: hsl(var(--muted));
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.topnav a:hover {
  color: hsl(var(--foreground));
  background: hsl(var(--border) / 0.5);
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.button-primary {
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-glow)));
  color: white;
  box-shadow: 0 0 30px hsl(var(--primary) / 0.3);
}

.button-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 40px hsl(var(--primary) / 0.4);
}

.button-secondary {
  border-color: hsl(var(--border));
  color: hsl(var(--foreground));
  background: hsl(var(--card) / 0.5);
}

.button-secondary:hover {
  background: hsl(var(--card-hover));
  border-color: hsl(var(--primary) / 0.3);
}

.button-lg {
  padding: 14px 24px;
  font-size: 1rem;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 80px 0 60px;
  min-height: 70vh;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: hsl(var(--primary) / 0.1);
  border: 1px solid hsl(var(--primary) / 0.2);
  color: hsl(var(--primary));
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-badge svg {
  flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.text-gradient {
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-glow)));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text {
  font-size: 1.15rem;
  color: hsl(var(--muted));
  line-height: 1.7;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Hero card */
.hero-card {
  position: relative;
}

.hero-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 20px;
  padding: 1px;
  background: linear-gradient(135deg, hsl(var(--primary) / 0.5), transparent, hsl(var(--primary-glow) / 0.3));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.terminal-window {
  overflow: hidden;
  border-radius: 16px;
  background: hsl(240 6% 4%);
  border: 1px solid hsl(var(--border));
}

.terminal-header {
  display: flex;
  gap: 8px;
  padding: 14px 16px;
  background: hsl(var(--card));
  border-bottom: 1px solid hsl(var(--border));
}

.terminal-header span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: hsl(var(--border));
}

.terminal-window pre {
  margin: 0;
  padding: 24px;
  overflow: auto;
  color: hsl(200 100% 85%);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Metrics */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.metrics-grid article {
  text-align: center;
  padding: 24px;
  border-radius: 16px;
  background: hsl(var(--card) / 0.5);
  border: 1px solid hsl(var(--border));
}

.metrics-grid strong {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-glow)));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.metrics-grid span {
  color: hsl(var(--muted));
  font-size: 0.9rem;
}

/* Sections */
.section {
  padding: 64px 0;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 32px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: hsl(var(--primary));
  font-weight: 600;
}

.section h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* Card grid */
.card-grid {
  display: grid;
  gap: 16px;
}

.skills-grid {
  grid-template-columns: repeat(2, 1fr);
}

.info-card {
  position: relative;
  padding: 24px;
  border-radius: 16px;
  background: hsl(var(--card) / 0.5);
  border: 1px solid hsl(var(--border));
  transition: all 0.3s ease;
}

.info-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 1px;
  background: linear-gradient(135deg, hsl(var(--primary) / 0.3), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.info-card:hover {
  background: hsl(var(--card-hover) / 0.6);
  transform: translateY(-2px);
}

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

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: hsl(var(--primary) / 0.1);
  color: hsl(var(--primary));
  margin-bottom: 16px;
}

.info-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.info-card p {
  color: hsl(var(--muted));
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Split section */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.split-content h2 {
  margin-bottom: 16px;
}

.split-content p {
  color: hsl(var(--muted));
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Workflow steps */
.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.workflow-step {
  display: flex;
  gap: 16px;
  padding: 20px;
  border-radius: 16px;
  background: hsl(var(--card) / 0.5);
  border: 1px solid hsl(var(--border));
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-glow)));
  color: white;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.workflow-step h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.workflow-step p {
  color: hsl(var(--muted));
  font-size: 0.9rem;
}

.workflow-step code {
  padding: 2px 6px;
  border-radius: 4px;
  background: hsl(var(--border) / 0.5);
  font-size: 0.85rem;
  color: hsl(200 100% 85%);
}

/* Formats grid */
.formats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.format-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-radius: 12px;
  background: hsl(var(--card) / 0.5);
  border: 1px solid hsl(var(--border));
  transition: all 0.2s ease;
}

.format-card:hover {
  background: hsl(var(--card-hover) / 0.6);
  border-color: hsl(var(--primary) / 0.3);
}

.format-card-wide {
  grid-column: span 3;
}

.format-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.format-file {
  padding: 4px 10px;
  border-radius: 6px;
  background: hsl(var(--border) / 0.5);
  font-size: 0.8rem;
  color: hsl(200 100% 85%);
}

/* Quick start */
.quickstart-panel {
  border-radius: 16px;
  overflow: hidden;
  background: hsl(240 6% 4%);
  border: 1px solid hsl(var(--border));
}

.quickstart-panel pre {
  margin: 0;
  padding: 24px;
  color: hsl(200 100% 85%);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* Docs grid */
.docs-grid {
  grid-template-columns: repeat(3, 1fr);
}

.doc-card {
  display: block;
  padding: 24px;
  border-radius: 16px;
  background: hsl(var(--card) / 0.5);
  border: 1px solid hsl(var(--border));
  transition: all 0.3s ease;
}

.doc-card:hover {
  background: hsl(var(--card-hover) / 0.6);
  border-color: hsl(var(--primary) / 0.4);
  transform: translateY(-2px);
}

.doc-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.doc-card p {
  color: hsl(var(--muted));
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Footer */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 48px 0 16px;
  border-top: 1px solid hsl(var(--border));
  margin-top: 32px;
}

.footer-brand {
  max-width: 400px;
}

.footer-brand .brand {
  margin-bottom: 12px;
}

.footer-brand p {
  color: hsl(var(--muted));
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  color: hsl(var(--muted));
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.footer-links a:hover {
  color: hsl(var(--foreground));
  background: hsl(var(--card));
}

/* Responsive */
@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .split-section {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

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

  .format-card-wide {
    grid-column: span 1;
  }

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

  .topbar {
    flex-wrap: wrap;
    gap: 12px;
  }

  .topnav {
    order: 3;
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: calc(100vw - 20px);
  }

  .hero {
    padding-top: 48px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button-lg {
    width: 100%;
    justify-content: center;
  }

  .footer {
    flex-direction: column;
    text-align: center;
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-links {
    flex-direction: column;
  }
}