:root {
  --bg: #050816;
  --bg-alt: #070b18;
  --bg-elevated: #0a1020;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --accent: #7c5cff;
  --accent-soft: rgba(124, 92, 255, 0.12);
  --accent-strong: rgba(124, 92, 255, 0.3);
  --accent-secondary: #22d3ee;
  --text: #f9fafb;
  --muted: #9ca3af;
  --muted-soft: #6b7280;
  --danger: #fb7185;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.75);
  --shadow-subtle: 0 12px 30px rgba(15, 23, 42, 0.6);
  --transition-fast: 160ms ease-out;
  --transition-med: 220ms ease-out;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top, #1e293b 0, #020617 52%, #000 100%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

code,
pre {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
}

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

main {
  display: block;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0 4.5rem;
}

.section-alt {
  background: radial-gradient(circle at top left, #0b1120 0, #020617 60%, #000);
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  border-bottom: 1px solid rgba(15, 23, 42, 0.9);
}

.section-header {
  text-align: left;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  font-size: 1.85rem;
  letter-spacing: -0.04em;
  margin: 0 0 0.75rem;
}

.section-header p {
  margin: 0;
  color: var(--muted);
  max-width: 34rem;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
  gap: 2.5rem;
  align-items: flex-start;
}

@media (max-width: 768px) {
  .two-column {
    grid-template-columns: minmax(0, 1fr);
  }
}

.card {
  background: radial-gradient(circle at top left, #1e1b4b 0, #020617 52%, #020617);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow-subtle);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}

.card-note {
  margin-top: 1rem;
  color: var(--muted-soft);
  font-size: 0.9rem;
}

.card-diagram {
  padding: 1.75rem 1.9rem;
  background: radial-gradient(circle at top left, #0f172a 0, #020617 52%, #020617);
}

.card-diagram pre {
  margin: 0;
  font-size: 0.86rem;
  color: #e5e7eb;
  white-space: pre;
}

.feature-list {
  padding-left: 1.1rem;
  margin: 0.75rem 0 0;
  color: var(--muted-soft);
}

.feature-list li {
  margin-bottom: 0.35rem;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 0.75rem 0 1rem;
  list-style: none;
}

.pill-list li {
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.7rem;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(148, 163, 184, 0.3);
  font-size: 0.78rem;
  color: #e5e7eb;
}

.steps {
  margin: 1rem 0 0;
  padding-left: 1.3rem;
  color: var(--muted-soft);
}

.steps li {
  margin-bottom: 0.45rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: var(--radius-pill);
  padding: 0.7rem 1.35rem;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    background var(--transition-fast), border-color var(--transition-fast),
    color var(--transition-fast);
  white-space: nowrap;
}

.btn.primary {
  background: linear-gradient(135deg, #7c5cff, #22d3ee);
  color: #020617;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.65);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.85);
}

.btn.ghost {
  background: rgba(15, 23, 42, 0.95);
  border-color: rgba(148, 163, 184, 0.5);
  color: #e5e7eb;
}

.btn.ghost:hover {
  background: rgba(15, 23, 42, 1);
  border-color: rgba(148, 163, 184, 0.9);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: linear-gradient(
      to bottom,
      rgba(15, 23, 42, 0.94),
      rgba(15, 23, 42, 0.88),
      rgba(15, 23, 42, 0.7),
      transparent
    );
  border-bottom: 1px solid rgba(30, 64, 175, 0.65);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem 0.75rem;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.brand-mark {
  width: 24px;
  height: 24px;
  border-radius: 0.9rem;
  background: radial-gradient(circle at 20% 10%, #f97316 0, #831843 26%, #7c3aed 80%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #f9fafb;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.9),
    0 10px 25px rgba(79, 70, 229, 0.7);
}

.brand-text {
  font-size: 1.1rem;
}

.brand-tag {
  font-size: 0.78rem;
  color: var(--muted-soft);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  font-size: 0.8rem;
  color: var(--muted);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: color var(--transition-fast), background var(--transition-fast),
    border-color var(--transition-fast);
}

.main-nav a:hover {
  color: var(--text);
  background: rgba(15, 23, 42, 0.9);
  border-color: rgba(148, 163, 184, 0.55);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.4rem;
  border-radius: 999px;
  cursor: pointer;
}

.nav-toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  background: #e5e7eb;
  border-radius: 999px;
}

.nav-toggle-line + .nav-toggle-line {
  margin-top: 4px;
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0.7rem 1.25rem 0.7rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .main-nav ul {
    position: absolute;
    top: 56px;
    right: 1.3rem;
    padding: 0.55rem;
    border-radius: 0.85rem;
    border: 1px solid rgba(148, 163, 184, 0.45);
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.9);
    flex-direction: column;
    align-items: flex-start;
    min-width: 200px;
    transform-origin: top right;
    transform: scale(0.95);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-med), transform var(--transition-med);
  }

  .main-nav ul.open {
    transform: scale(1);
    opacity: 1;
    pointer-events: auto;
  }
}

.hero {
  padding: 4.6rem 0 4.2rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1.3fr);
  gap: 3.2rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: 2.4rem;
  line-height: 1.1;
  letter-spacing: -0.05em;
  margin: 0 0 0.85rem;
}

.hero-subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 30rem;
  font-size: 0.98rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
  margin-bottom: 1.1rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.2rem 0 0;
}

.hero-metrics dt {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted-soft);
}

.hero-metrics dd {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: #e5e7eb;
}

.hero-panel {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.hero-card {
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, #1d253a 0, #020617 55%, #020617);
  border: 1px solid rgba(148, 163, 184, 0.45);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 0.65rem;
  background: linear-gradient(to right, #020617, #020617, #020617);
  border-bottom: 1px solid rgba(31, 41, 55, 0.9);
}

.card-header .dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
}

.card-header .red {
  background: #f97373;
}

.card-header .yellow {
  background: #facc15;
}

.card-header .green {
  background: #4ade80;
}

.card-title {
  margin-left: 0.6rem;
  font-size: 0.8rem;
  color: var(--muted-soft);
}

.code-block {
  margin: 0;
  padding: 0.9rem 1rem 1rem;
  background: radial-gradient(circle at top left, #020617 0, #020617 70%, #020617);
  font-size: 0.84rem;
  color: #e5e7eb;
  overflow-x: auto;
}

.code-block.small {
  font-size: 0.8rem;
}

.code {
  display: block;
  white-space: pre;
}

.code-nova {
  border-left: 2px solid rgba(124, 92, 255, 0.8);
  padding-left: 0.75rem;
}

.code-llvm {
  border-left: 2px solid rgba(34, 211, 238, 0.8);
  padding-left: 0.75rem;
}

.hero-pipeline {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.45);
}

.pipeline-step {
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  color: var(--muted-soft);
  background: transparent;
}

.pipeline-step.active {
  background: radial-gradient(circle at 20% 0, #7c5cff 0, #22d3ee 70%);
  color: #020617;
  font-weight: 500;
}

.pipeline-arrow {
  font-size: 0.8rem;
  color: var(--muted-soft);
}

.hero-note {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted-soft);
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.5rem;
  }

  .hero {
    padding-top: 4.2rem;
  }
}

@media (max-width: 640px) {
  .hero-metrics {
    grid-template-columns: minmax(0, 1fr);
  }
}

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.pipeline-card {
  background: rgba(15, 23, 42, 0.96);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.45rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-subtle);
}

.pipeline-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.02rem;
}

.pipeline-card p {
  margin: 0 0 0.7rem;
  font-size: 0.9rem;
  color: var(--muted-soft);
}

.pipeline-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted-soft);
  font-size: 0.88rem;
}

.pipeline-card li {
  margin-bottom: 0.25rem;
}

.tagline {
  display: inline-flex;
  margin-top: 0.8rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.98);
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 0.78rem;
  color: #e5e7eb;
}

@media (max-width: 1024px) {
  .pipeline-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .pipeline-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.examples-layout {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top left, #020617 0, #020617 55%, #020617);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.examples-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.6rem 0.7rem 0.6rem;
  border-bottom: 1px solid rgba(30, 64, 175, 0.7);
  background: linear-gradient(to right, #020617, #020617, #020617);
}

.example-tab {
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.75rem;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted-soft);
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast),
    color var(--transition-fast), transform var(--transition-fast);
}

.example-tab.active {
  background: rgba(15, 23, 42, 0.96);
  border-color: rgba(148, 163, 184, 0.65);
  color: #e5e7eb;
  transform: translateY(-1px);
}

.examples-panels {
  padding: 1.2rem 1.35rem 1.3rem;
}

.example-panel {
  display: none;
}

.example-panel.active {
  display: block;
}

.example-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.2fr);
  gap: 1.5rem;
  align-items: flex-start;
}

.example-columns h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  font-size: 0.98rem;
}

@media (max-width: 900px) {
  .example-columns {
    grid-template-columns: minmax(0, 1fr);
  }
}

.site-footer {
  padding: 2.2rem 0 2.6rem;
  border-top: 1px solid rgba(30, 64, 175, 0.65);
  background: radial-gradient(circle at top, #020617 0, #000 70%);
}

.footer-inner {
  text-align: center;
}

.footer-inner p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted-soft);
}

.footer-meta {
  margin-top: 0.4rem;
  font-size: 0.8rem;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}