:root {
  color-scheme: dark;
  --bg: #090a0b;
  --bg-alt: #171819;
  --surface: rgba(23, 25, 27, 0.78);
  --surface-solid: #111315;
  --surface-highlight: rgba(46, 52, 58, 0.84);
  --surface-muted: rgba(30, 33, 36, 0.62);
  --border: rgba(123, 132, 141, 0.22);
  --text: #e5e5e5;
  --text-muted: #b6babf;
  --accent: #4f93ff;
  --accent-strong: #63c8ff;
  --accent-glow: rgba(79, 147, 255, 0.45);
  --danger: #ff6d8a;
  --success: #4dd4b8;
  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --shadow-soft: 0 24px 60px rgba(9, 10, 11, 0.45);
  --shadow-hard: 0 14px 40px rgba(0, 0, 0, 0.46);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: radial-gradient(circle at 16% -10%, rgba(1, 24, 59, 0.408), transparent 52%),
    radial-gradient(circle at 82% 12%, rgba(12, 65, 54, 0.1), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgba(79, 147, 255, 0.35);
  color: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-strong);
}

header {
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(9, 10, 11, 0.82);
  border-bottom: 1px solid var(--border);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.65rem 1.4rem;
  font-weight: 600;
  font-size: 0.95rem;
  gap: 0.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: var(--bg);
  box-shadow: 0 15px 40px rgba(79, 147, 255, 0.35);
}

.button.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 48px rgba(79, 147, 255, 0.45);
}

.button.ghost {
  background: transparent;
  border-color: rgba(229, 229, 229, 0.18);
  color: var(--text);
}

.button.ghost:hover {
  border-color: rgba(229, 229, 229, 0.35);
  background: rgba(229, 229, 229, 0.06);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero {
  padding: 6rem 0 5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 5vw, 3.5rem);
  margin: 0 0 1rem;
  line-height: 1.1;
}

.hero-copy p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-highlight {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(229, 229, 229, 0.16);
  background: rgba(79, 147, 255, 0.12);
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

.hero-visual {
  background: linear-gradient(140deg, rgba(79, 147, 255, 0.3), rgba(77, 212, 184, 0.24)),
    radial-gradient(circle at 30% 20%, rgba(79, 147, 255, 0.18), transparent 58%),
    var(--surface);
  border: 1px solid rgba(229, 229, 229, 0.08);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: var(--shadow-soft);
  position: relative;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 18px;
  border: 1px solid rgba(229, 229, 229, 0.08);
  pointer-events: none;
}

.terminal {
  background: rgba(18, 20, 24, 0.7);
  border-radius: 16px;
  border: 1px solid rgba(229, 229, 229, 0.08);
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-muted);
  position: relative;
  overflow: hidden;
}

.terminal::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 36px;
  background: linear-gradient(90deg, rgba(79, 147, 255, 0.15), transparent);
  border-bottom: 1px solid rgba(229, 229, 229, 0.08);
}

.terminal-lines {
  margin-top: 2rem;
  display: grid;
  gap: 0.5rem;
}

.terminal-line {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.terminal-line span:first-child {
  color: var(--success);
}

section {
  padding: 4.5rem 0;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  margin: 0;
  font-size: 2rem;
}

.section-head p {
  margin: 0;
  color: var(--text-muted);
  max-width: 520px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.card {
  background: var(--surface);
  border-radius: 20px;
  padding: 1.75rem;
  border: 1px solid rgba(229, 229, 229, 0.08);
  box-shadow: var(--shadow-hard);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(229, 229, 229, 0.18);
}

.card h3 {
  margin-top: 0;
  font-size: 1.3rem;
}

.card p {
  color: var(--text-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(79, 147, 255, 0.18);
  color: var(--accent);
}

.code-block {
  background: rgba(18, 20, 24, 0.85);
  border-radius: 18px;
  border: 1px solid rgba(229, 229, 229, 0.08);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  overflow-x: auto;
  color: var(--text);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.metric {
  background: rgba(19, 22, 26, 0.82);
  border: 1px solid rgba(229, 229, 229, 0.08);
  border-radius: 18px;
  padding: 1.6rem;
}

.metric h4 {
  margin: 0;
  font-size: 1rem;
  color: var(--text-muted);
}

.metric strong {
  display: block;
  font-size: 2rem;
  margin-top: 0.4rem;
  color: var(--text);
}

.showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  align-items: center;
}

footer {
  padding: 3rem 1.5rem 4rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
  background: rgba(9, 10, 11, 0.9);
  margin-top: 4rem;
}

footer a {
  color: var(--text);
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.1rem;
  color: var(--bg);
  box-shadow: 0 12px 30px rgba(79, 147, 255, 0.28);
}

/* Docs layout */
body.docs {
  background: linear-gradient(180deg, rgba(18, 20, 24, 0.95), rgba(9, 10, 11, 0.98));
}

.docs-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 6rem;
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 2.5rem;
}

.sidebar {
  position: sticky;
  top: 104px;
  align-self: start;
  background: rgba(18, 20, 24, 0.82);
  border: 1px solid rgba(229, 229, 229, 0.08);
  border-radius: 18px;
  padding: 1.5rem;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
}

.sidebar h2 {
  margin-top: 0;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.sidebar nav {
  display: grid;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.sidebar a {
  color: var(--text-muted);
  padding: 0.35rem 0.5rem;
  border-radius: 8px;
  transition: background 0.2s ease, color 0.2s ease;
}

.sidebar a:hover {
  color: var(--text);
  background: rgba(79, 147, 255, 0.12);
}

.content article {
  background: rgba(18, 20, 24, 0.82);
  border: 1px solid rgba(229, 229, 229, 0.08);
  border-radius: 22px;
  padding: 3rem;
  box-shadow: var(--shadow-hard);
}

.content h1 {
  margin-top: 0;
  font-size: 2.3rem;
}

.content h2 {
  margin-top: 3rem;
  font-size: 1.6rem;
}

.content h3 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

.content p {
  color: var(--text-muted);
}

.content ul,
.content ol {
  margin: 1.25rem 0 1.25rem 1.5rem;
  color: var(--text-muted);
}

.callout {
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  border: 1px solid rgba(79, 147, 255, 0.4);
  background: rgba(79, 147, 255, 0.16);
  margin: 1.5rem 0;
  color: var(--text);
}

.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.content th,
.content td {
  border: 1px solid rgba(229, 229, 229, 0.08);
  padding: 0.75rem 1rem;
  text-align: left;
  color: var(--text-muted);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.tag { 
  font-size: 0.85rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: rgba(229, 229, 229, 0.06);
  border: 1px solid rgba(229, 229, 229, 0.08);
  color: var(--text-muted);
}

.note {
  font-size: 0.85rem;
  color: rgba(182, 186, 191, 0.7);
  margin-top: 1.5rem;
}

/* Examples */
.page-header {
  padding: 4.5rem 0 2.5rem;
  max-width: 780px;
}

.page-header h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.2rem, 4vw, 2.8rem);
}

.page-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(79, 147, 255, 0.16);
  color: var(--accent);
  border: 1px solid rgba(79, 147, 255, 0.35);
  margin-bottom: 1.25rem;
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
  padding-bottom: 5rem;
}

.example-card {
  background: rgba(18, 20, 24, 0.82);
  border-radius: 20px;
  border: 1px solid rgba(229, 229, 229, 0.08);
  padding: 1.9rem;
  box-shadow: var(--shadow-hard);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-height: 280px;
}

.example-card h3 {
  margin: 0;
  font-size: 1.35rem;
}

.example-card p {
  margin: 0;
  color: var(--text-muted);
  flex-grow: 1;
}

.example-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.example-tags span {
  font-size: 0.78rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(229, 229, 229, 0.06);
  border: 1px solid rgba(229, 229, 229, 0.08);
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.example-actions {
  display: flex;
  justify-content: flex-start;
}

.example-actions .button {
  padding-inline: 1.2rem;
  font-size: 0.9rem;
}

.example-page {
  padding-bottom: 5rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.back-link:hover {
  color: var(--text);
}

.example-body {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(240px, 1fr);
  gap: 2rem;
}

.example-sections {
  display: grid;
  gap: 1.75rem;
}

.example-panel {
  background: rgba(18, 20, 24, 0.82);
  border-radius: 20px;
  border: 1px solid rgba(229, 229, 229, 0.08);
  padding: 2rem 2.25rem;
  box-shadow: var(--shadow-hard);
}

.example-panel h2 {
  margin-top: 0;
  font-size: 1.5rem;
}

.example-panel p {
  color: var(--text-muted);
}

.example-panel ol,
.example-panel ul {
  margin: 1.25rem 0 0 1.25rem;
  color: var(--text-muted);
  padding-left: 1rem;
}

.example-panel li + li {
  margin-top: 0.75rem;
}

.example-sidebar {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}

.meta-card {
  background: rgba(18, 20, 24, 0.82);
  border-radius: 18px;
  border: 1px solid rgba(229, 229, 229, 0.08);
  padding: 1.75rem;
  box-shadow: var(--shadow-hard);
}

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

.meta-card p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.meta-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.meta-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.meta-list code {
  background: rgba(229, 229, 229, 0.08);
  border-radius: 8px;
  padding: 0.15rem 0.5rem;
  font-size: 0.85rem;
}

.meta-links {
  display: grid;
  gap: 0.75rem;
}

.meta-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

@media (max-width: 960px) {
  nav {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding-top: 4.5rem;
  }

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

  .sidebar {
    position: static;
    max-height: none;
    order: -1;
  }

  .example-body {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-copy h1 {
    font-size: 2.4rem;
  }

  .content article {
    padding: 2.25rem;
  }

  .page-header {
    padding-top: 3.5rem;
  }
}

@media (max-width: 520px) {
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-copy p {
    font-size: 1rem;
  }
}