:root {
  --bg: #0b0b12;
  --bg-card: #12121c;
  --text: #e8e8f0;
  --muted: #9ca3af;
  --accent: #9945ff;
  --accent-dim: #7a35cc;
  --accent-glow: rgba(153, 69, 255, 0.25);
  --border: #2a2a3a;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --sans: "Inter", system-ui, sans-serif;
}

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

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 11, 18, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 1.1rem;
  text-decoration: none;
}

.logo-mark { font-size: 1.4rem; }
.logo-text strong { color: var(--accent); font-weight: 700; }

.nav { display: flex; gap: 24px; }
.nav a { color: var(--muted); font-size: 0.95rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); text-decoration: none; }

.hero {
  padding: 80px 0 64px;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, var(--accent-glow), transparent);
}

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

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 32px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background 0.15s, transform 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dim);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.features {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}

.demo {
  padding: 64px 0;
  border-top: 1px solid var(--border);
  background: radial-gradient(ellipse 70% 50% at 50% 0%, var(--accent-glow), transparent);
}

.demo h2 { font-size: 1.5rem; margin-bottom: 8px; text-align: center; }
.demo-lead { text-align: center; color: var(--muted); margin-bottom: 32px; }

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 40px;
}

@media (max-width: 900px) {
  .demo-grid { grid-template-columns: 1fr; }
}

.demo-panel label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.demo-input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.demo-input-row input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.demo-input-row input:focus {
  outline: none;
  border-color: var(--accent);
}

.example-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.chip:hover {
  border-color: var(--accent);
  background: rgba(153, 69, 255, 0.1);
}

.demo-output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.demo-status[data-tone="ok"] { color: #34d399; }
.demo-status[data-tone="cached"] { color: #fbbf24; }
.demo-status[data-tone="error"] { color: #f87171; }
.demo-status[data-tone="busy"] { color: var(--accent); }

.demo-result {
  min-height: 220px;
  max-height: 360px;
  overflow: auto;
  margin: 0;
}

.tour-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  counter-reset: tour;
}

.tour-steps li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tour-steps strong { font-size: 0.95rem; }
.tour-steps span { color: var(--muted); font-size: 0.85rem; }

.showcase {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}

.showcase h2 { text-align: center; font-size: 1.5rem; margin-bottom: 32px; }

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.showcase-card h3 { font-size: 1rem; margin-bottom: 8px; }
.showcase-card p { color: var(--muted); font-size: 0.9rem; margin-bottom: 12px; }
.showcase-card .code-block { font-size: 0.8rem; margin: 0; }

.features h2 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 40px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: 0.95rem; }

.endpoints {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}

.endpoints h2 { font-size: 1.5rem; margin-bottom: 24px; }

.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 12px 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

/* Docs */
.docs-page { padding: 48px 0 80px; }

.docs-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
}

@media (max-width: 768px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { display: none; }
}

.docs-sidebar-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 12px;
}

.docs-toc { display: flex; flex-direction: column; gap: 8px; }
.docs-toc a { color: var(--muted); font-size: 0.9rem; }
.docs-toc a:hover { color: var(--text); text-decoration: none; }

.docs-content h1 { font-size: 2rem; margin-bottom: 12px; }
.docs-lead { color: var(--muted); margin-bottom: 40px; font-size: 1.05rem; }

.docs-content section { margin-bottom: 40px; }
.docs-content h2 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.docs-content h2:first-of-type { border-top: none; padding-top: 0; }
.docs-content h3 { font-size: 1.05rem; margin: 16px 0 8px; }
.docs-content p { color: var(--muted); margin-bottom: 12px; }

.template-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 16px 0;
}

.template-table th,
.template-table td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}

.template-table th { background: var(--bg-card); color: var(--text); }
.template-table td code {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
}

.docs-content code {
  font-family: var(--mono);
  font-size: 0.875rem;
  background: var(--bg-card);
  padding: 2px 6px;
  border-radius: 4px;
}