:root {
  --bg: #0b0d12;
  --bg-2: #11141b;
  --card: #151923;
  --border: #232837;
  --text: #e6e8ee;
  --muted: #8a92a6;
  --brand: #7c5cff;
  --brand-2: #22d3ee;
  --danger: #ef4444;
  --warn: #f59e0b;
  --ok: #22c55e;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fb;
    --bg-2: #ffffff;
    --card: #ffffff;
    --border: #e5e7ee;
    --text: #0f1220;
    --muted: #5b6478;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(124,92,255,.18), transparent 60%),
              radial-gradient(1000px 500px at 100% 10%, rgba(34,211,238,.12), transparent 60%),
              var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ---------- chrome ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 600; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
.nav a:hover { color: var(--text); }
.nav a.cta {
  color: #fff; padding: 7px 14px; border-radius: 8px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}

.page { max-width: 1100px; margin: 0 auto; padding: 48px 24px; }
.page h1 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 8px; }
.page > .lead { color: var(--muted); margin: 0 0 32px; font-size: 17px; }
section { margin: 0 0 48px; }
section > h2 { font-size: 20px; margin: 0 0 14px; }
.muted { color: var(--muted); text-decoration: none; }
a.muted:hover { color: var(--text); }
a { color: var(--brand-2); }

/* ---------- hero ---------- */
.hero-grid {
  max-width: 1100px; margin: 0 auto; padding: 64px 24px 24px;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; padding-top: 36px; gap: 28px; }
  .nav { gap: 14px; }
  .nav .hide-sm { display: none; }
}
.hero h1 {
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.12;
  margin: 0 0 16px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lead { font-size: 18px; color: var(--muted); margin: 0 0 22px; }
.bullets { list-style: none; padding: 0; margin: 0 0 26px; display: grid; gap: 10px; }
.bullets li { padding-left: 22px; position: relative; }
.bullets li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 10px; height: 10px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 11px 18px; border-radius: 8px;
  font-size: 15px; font-weight: 600; text-decoration: none; cursor: pointer;
  color: #fff; border: none;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}
.btn:hover { filter: brightness(1.05); }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }

/* ---------- cards / code ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,.28);
}
.card h2 { margin: 0 0 16px; font-size: 20px; }

.codecard { padding: 0; overflow: hidden; }
.codecard .tabs { display: flex; border-bottom: 1px solid var(--border); }
.codecard .tabs button {
  flex: 0 0 auto; background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--muted); font: inherit; font-size: 13px; padding: 10px 16px; cursor: pointer; width: auto;
}
.codecard .tabs button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--brand); }
pre {
  margin: 0; padding: 18px; overflow-x: auto;
  font-family: var(--mono); font-size: 13px; line-height: 1.6;
  color: var(--text); background: var(--bg-2);
}
pre .c { color: var(--muted); }
code { font-family: var(--mono); font-size: .92em; }
.inline-code {
  font-family: var(--mono); font-size: 13px;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 6px; padding: 2px 7px;
}
.copy {
  position: absolute; top: 10px; right: 10px; width: auto;
  font-size: 12px; padding: 5px 10px; border-radius: 6px;
  background: var(--bg-2); border: 1px solid var(--border); color: var(--muted); cursor: pointer;
}
.copy:hover { color: var(--text); }
.rel { position: relative; }

/* ---------- grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.feat {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.feat h3 { margin: 0 0 8px; font-size: 15px; }
.feat p { margin: 0; color: var(--muted); font-size: 14px; }

.stat {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
}
.stat .k { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.stat .v { font-size: 26px; font-weight: 650; margin-top: 6px; font-variant-numeric: tabular-nums; }
.stat .sub { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
tbody tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); }
.tablecard { padding: 0; overflow-x: auto; }

/* ---------- status ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; padding: 5px 12px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--card);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.dot.warn { background: var(--warn); }
.dot.down { background: var(--danger); }
.spark { display: block; width: 100%; height: 46px; }
.legend { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* ---------- forms ---------- */
label { display: block; margin-bottom: 14px; font-size: 14px; color: var(--muted); }
label span { display: block; margin-bottom: 6px; }
input[type="email"], input[type="password"], input[type="text"] {
  width: 100%; padding: 11px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg-2);
  color: var(--text); font-size: 15px; outline: none;
}
input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(124,92,255,.25); }
.row { display: flex; justify-content: space-between; align-items: center; margin: 6px 0 16px; font-size: 13px; }
.check { display: flex; align-items: center; gap: 8px; margin: 0; color: var(--muted); }
form button {
  width: 100%; padding: 11px 14px; border-radius: 8px; border: none; cursor: pointer;
  font-size: 15px; font-weight: 600; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}
form button:hover { filter: brightness(1.05); }
form button[disabled] { opacity: .6; cursor: not-allowed; }
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); width: 100%; padding: 11px 14px; border-radius: 8px; font-size: 15px; font-weight: 600; cursor: pointer; }
.divider { text-align: center; color: var(--muted); font-size: 12px; margin: 18px 0 12px; position: relative; }
.divider::before, .divider::after { content: ""; position: absolute; top: 50%; width: 40%; height: 1px; background: var(--border); }
.divider::before { left: 0; }
.divider::after { right: 0; }
.divider span { padding: 0 8px; background: var(--card); }
.msg { min-height: 18px; margin: 10px 0 0; font-size: 13px; color: var(--danger); }
.msg.ok { color: var(--ok); }
.foot { text-align: center; margin: 16px 0 0; font-size: 13px; color: var(--muted); }
.foot a { color: var(--text); }

.center-wrap { max-width: 420px; margin: 70px auto; padding: 0 24px; }

/* ---------- footer ---------- */
footer {
  max-width: 1100px; margin: 40px auto 40px; padding: 24px;
  border-top: 1px solid var(--border);
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 20px; font-size: 14px;
}
@media (max-width: 860px) { footer { grid-template-columns: 1fr 1fr; } }
footer a { display: block; color: var(--muted); text-decoration: none; margin: 4px 0; }
footer a:hover { color: var(--text); }
footer .fcol strong { display: block; margin-bottom: 6px; }