:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --surface: #141414;
  --surface-2: #1a1a1a;
  --surface-3: #222222;
  --border: #2a2a2a;
  --text: #f5f5f5;
  --muted: #a0a0a0;
  --muted-2: #666666;
  --accent: #008060;
  --accent-hover: #006e52;
  --accent-glow: #00ff9e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(0, 128, 96, 0.12), transparent 34%),
    radial-gradient(circle at top right, rgba(0, 255, 158, 0.08), transparent 28%),
    var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.page-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0 20px;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(10, 10, 10, 0.94), rgba(10, 10, 10, 0.72));
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-glow));
  box-shadow: 0 0 20px rgba(0, 255, 158, 0.25);
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

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

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: start;
  padding-top: 56px;
}

.hero h1 {
  margin: 0;
  max-width: 11ch;
  font-size: clamp(3.5rem, 7vw, 4.5rem);
  line-height: 0.9;
  letter-spacing: -0.09em;
  font-weight: 100;
}

.docs-content h1 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
  font-weight: 500;
}

.lead {
  margin: 20px 0 0;
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.signal-chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.01em;
}

.eyebrow, .kicker {
  margin: 0 0 14px;
  color: var(--accent-glow);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 500;
}

.button.primary {
  background: var(--accent);
  border-color: transparent;
  color: white;
}

.button.primary:hover { background: var(--accent-hover); }
.button.secondary:hover { border-color: #3a3a3a; background: rgba(255,255,255,0.02); }

.code-panel, .surface-card, .docs-section, .sidebar {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(0,0,0,0.22);
}

.code-panel {
  margin-top: 28px;
  border-radius: 18px;
  overflow: hidden;
}

.code-panel-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

pre {
  margin: 0;
  padding: 18px 16px 20px;
  overflow: auto;
  color: #d8f7e7;
  font-family: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  font-size: 13px;
  line-height: 1.7;
}

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

.hero-panel {
  display: grid;
  gap: 16px;
}

.surface-card {
  border-radius: 18px;
  padding: 20px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.surface-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 255, 158, 0.18);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.spotlight h2 {
  margin: 0 0 10px;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  font-weight: 500;
}

.spotlight p { margin: 0; color: var(--muted); line-height: 1.65; }

.surface-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.link-card {
  min-height: 138px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.link-card span { color: var(--muted); font-size: 13px; }
.link-card strong { font-size: 1.05rem; line-height: 1.4; font-weight: 500; }

.docs-shell { max-width: 1280px; }

.docs-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 30px;
  padding-top: 26px;
}

.sidebar {
  position: sticky;
  top: 92px;
  align-self: start;
  border-radius: 18px;
  padding: 18px;
  display: grid;
  gap: 10px;
}

.sidebar a { color: var(--muted); font-size: 14px; line-height: 1.5; }

.docs-content {
  max-width: 860px;
}

.docs-section {
  border-radius: 18px;
  padding: 22px;
  margin-top: 18px;
}

.docs-section h2 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  font-weight: 500;
}

.docs-section p, .docs-section li { color: var(--muted); line-height: 1.65; }

.docs-section ul { margin: 12px 0 0; padding-left: 18px; }

.callout {
  margin-top: 12px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(0, 128, 96, 0.12);
  border: 1px solid rgba(0, 128, 96, 0.3);
  color: #d7f7ea;
}

.callout a { color: #bfffe7; text-decoration: underline; text-underline-offset: 2px; }

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
  .surface-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .docs-layout { grid-template-columns: 1fr; }
  .sidebar { position: relative; top: auto; }
}

@media (max-width: 640px) {
  .page-shell { padding: 18px; }
  .topbar { flex-direction: column; align-items: flex-start; }
  .hero-grid { padding-top: 24px; }
  .hero h1 { font-size: clamp(2.8rem, 15vw, 4rem); }
  .docs-content h1 { font-size: clamp(2.4rem, 12vw, 3.4rem); }
  .surface-grid { grid-template-columns: 1fr; }
}