:root {
  --bg: #0f0f13;
  --bg-raised: #16161d;
  --bg-card: #1a1a24;
  --border: #2a2a36;
  --text: #e8e8ee;
  --text-dim: #9b9ba8;
  --accent: #a78bfa;
  --accent-dim: #7c5fd1;
  --green: #4ade80;
  --mono: "SF Mono", "Fira Code", "JetBrains Mono", ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- Nav ---------- */
nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 15, 19, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 60px;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo:hover { text-decoration: none; }
.logo .dot { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 20px;
  margin-left: auto;
  align-items: center;
}

.nav-links a { color: var(--text-dim); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.btn-primary { color: #0f0f13; }
.nav-links a.btn-primary:hover { color: #0f0f13; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.15s, color 0.15s;
}
.btn:hover { text-decoration: none; }

.btn-primary { background: var(--accent); color: #0f0f13; }
.btn-primary:hover { background: #b9a2fc; }

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

.btn-sm { padding: 7px 16px; font-size: 0.9rem; }

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 72px;
  text-align: center;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(167, 139, 250, 0.18), transparent);
}

.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 800px;
  margin: 0 auto 20px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero p.sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 36px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Code blocks ---------- */
pre {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.65;
  text-align: left;
}

code { font-family: var(--mono); }

p code, li code, td code {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.85em;
}

.tok-kw { color: #c4b5fd; }
.tok-str { color: #86efac; }
.tok-fn { color: #93c5fd; }
.tok-cm { color: #6b6b78; }

.hero-code {
  max-width: 620px;
  margin: 48px auto 0;
}

/* ---------- Sections ---------- */
section.features { padding: 72px 0; }

.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-sub {
  text-align: center;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 48px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.15s;
}
.feature-card:hover { border-color: var(--accent-dim); }

.feature-card .icon {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  background: rgba(167, 139, 250, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.feature-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.feature-card p { color: var(--text-dim); font-size: 0.95rem; }
.feature-card p + p { margin-top: 8px; }

/* ---------- CTA band ---------- */
.cta-band {
  text-align: center;
  padding: 72px 0;
  border-top: 1px solid var(--border);
  background:
    radial-gradient(ellipse 60% 80% at 50% 110%, rgba(167, 139, 250, 0.12), transparent);
}

.cta-band h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 12px; }
.cta-band p { color: var(--text-dim); margin-bottom: 28px; }

/* ---------- Page headers (inner pages) ---------- */
.page-header { padding: 64px 0 16px; }
.page-header h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); letter-spacing: -0.01em; }
.page-header p { color: var(--text-dim); margin-top: 10px; max-width: 640px; }

.page-body { padding: 32px 0 80px; }

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 820px;
  margin: 24px auto 0;
}

.plan {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.plan.featured { border-color: var(--accent); position: relative; }

.plan .badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0f0f13;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 12px;
  border-radius: 99px;
}

.plan h2 { font-size: 1.3rem; }

.plan .price {
  font-size: 2.2rem;
  font-weight: 800;
  margin: 12px 0 4px;
}
.plan .price span { font-size: 1rem; font-weight: 400; color: var(--text-dim); }

.plan .tagline { color: var(--text-dim); font-size: 0.92rem; margin-bottom: 20px; }

.plan ul { list-style: none; margin-bottom: 28px; flex: 1; }
.plan li {
  padding: 7px 0;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
}
.plan li:last-child { border-bottom: none; }
.plan li::before { content: "✓ "; color: var(--green); font-weight: 700; }
.plan li.no::before { content: "— "; color: var(--text-dim); }
.plan li.no { color: var(--text-dim); }

.plan .btn { text-align: center; }

.pricing-note {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
  max-width: 620px;
  margin: 36px auto 0;
}

/* ---------- Docs / prose ---------- */
.prose { max-width: 760px; }
.prose h2 {
  font-size: 1.45rem;
  margin: 44px 0 14px;
  padding-top: 8px;
  letter-spacing: -0.01em;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.1rem; margin: 28px 0 10px; }
.prose p { margin-bottom: 14px; color: #c9c9d4; }
.prose ul, .prose ol { margin: 0 0 14px 22px; color: #c9c9d4; }
.prose li { margin-bottom: 6px; }
.prose pre { margin: 16px 0 22px; }

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 22px;
  font-size: 0.92rem;
}
.prose th, .prose td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
}
.prose th { color: var(--text-dim); font-weight: 600; }

.step {
  display: flex;
  gap: 16px;
  margin: 22px 0;
}
.step-num {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(167, 139, 250, 0.15);
  color: var(--accent);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  margin-top: 2px;
}
.step-body { min-width: 0; flex: 1; }
.step-body h3 { margin: 0 0 6px; }
.step-body pre { margin: 12px 0 0; }

.callout {
  background: rgba(167, 139, 250, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.3);
  border-radius: 10px;
  padding: 14px 18px;
  margin: 18px 0;
  font-size: 0.93rem;
  color: #c9c9d4;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  color: var(--text-dim);
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-inner .spacer { margin-left: auto; }
footer a { color: var(--text-dim); }
footer a:hover { color: var(--text); }

/* ---------- Mobile ---------- */
@media (max-width: 720px) {
  .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 48px; }
  .container { padding: 0 16px; }
  .nav-links { gap: 12px; }
  .nav-links a { font-size: 0.88rem; }
  .nav-links .btn-sm { padding: 6px 12px; font-size: 0.8rem; white-space: nowrap; }
  .nav-links .hide-mobile { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 10px; }
  .footer-inner .spacer { display: none; }
  pre { font-size: 0.78rem; }
  .prose table { display: block; overflow-x: auto; }
  .prose th, .prose td { white-space: nowrap; }
}