:root {
  --bg: #0a0a0a;
  --fg: #ededed;
  --muted: #8a8a8a;
  --dim: #5a5a5a;
  --line: #1c1c1c;
  --line-strong: #2a2a2a;
  --accent: #ededed;
  --ok: #9bc28a;
  --no: #c87878;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 0.15s ease, color 0.15s ease;
}
a:hover {
  border-bottom-color: var(--fg);
}

.mono { font-family: var(--mono); font-variant-ligatures: none; }

/* ---------- nav ---------- */
.nav {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}
.nav-brand {
  font-weight: 600;
  letter-spacing: -0.01em;
}
.nav-link {
  color: var(--muted);
  border-bottom: none;
  font-size: 13px;
}
.nav-link:hover { color: var(--fg); border-bottom: none; }

/* ---------- main layout ---------- */
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 24px 40px;
}

/* ---------- hero ---------- */
.hero { margin-bottom: 96px; }

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  margin-bottom: 28px;
}

.title {
  font-size: clamp(72px, 14vw, 128px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin: 0 0 24px;
}

.tagline {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  color: var(--fg);
}

.lede {
  font-size: 16px;
  color: var(--muted);
  max-width: 520px;
  margin: 0 0 36px;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
  background: transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.btn:hover {
  background: #141414;
  border-color: #3a3a3a;
}
.btn.primary {
  background: var(--fg);
  color: #0a0a0a;
  border-color: var(--fg);
}
.btn.primary:hover {
  background: #fff;
  border-color: #fff;
  transform: translateY(-1px);
}
.btn.big { padding: 14px 22px; font-size: 15px; }
.btn-hint {
  color: var(--muted);
  font-size: 13px;
}

/* ---------- blocks ---------- */
.block {
  margin: 0 0 72px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.block-label {
  color: var(--dim);
  font-size: 12px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

/* ---------- code ---------- */
.code {
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.8;
  background: #050505;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px 28px;
  margin: 0;
  overflow-x: auto;
  white-space: pre;
  color: var(--fg);
}
.code .prompt { color: var(--dim); user-select: none; }
.code .dim { color: var(--dim); }
.code .ok { color: var(--ok); }
.code .no { color: var(--no); }

/* ---------- bullets ---------- */
.bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}
.bullets li {
  color: var(--muted);
  padding-left: 18px;
  position: relative;
  font-size: 15px;
}
.bullets li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--dim);
}
.b-head {
  color: var(--fg);
  font-weight: 500;
  margin-right: 4px;
}

/* ---------- scope table ---------- */
.scope {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.scope td {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--fg);
}
.scope td:first-child { width: 60px; color: var(--fg); }
.scope td:nth-child(2) { color: var(--muted); }
.scope td:last-child { text-align: right; font-family: var(--mono); font-size: 13px; }
.scope tr:last-child td { border-bottom: none; }

/* ---------- access ---------- */
.block.access p {
  color: var(--muted);
  font-size: 15px;
  max-width: 540px;
  margin: 0 0 24px;
}

/* ---------- footer ---------- */
.foot {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 60px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 6px;
  align-items: center;
}
.foot a { color: var(--fg); }

/* ---------- responsive ---------- */
@media (max-width: 520px) {
  .nav { padding-top: 20px; }
  main { padding-top: 56px; }
  .hero { margin-bottom: 64px; }
  .block { margin-bottom: 56px; }
  .tagline { font-size: 19px; }
  .code { font-size: 13.5px; padding: 18px 20px; line-height: 1.7; }
}

/* ---------- selection ---------- */
::selection { background: #ededed; color: #0a0a0a; }