:root {
  color-scheme: dark;
  --bg: #070b14;
  --bg-2: #0a1020;
  --surface: #0d1426;
  --surface-2: #111b31;
  --surface-3: #162238;
  --line: rgba(237, 243, 255, 0.11);
  --line-strong: rgba(105, 199, 255, 0.35);
  --text: #edf3ff;
  --muted: #a1adbf;
  --faint: #6f7b8d;
  --accent: #50e3a4;
  --info: #69c7ff;
  --warn: #ffd166;
  --danger: #ff6b8a;
  --purple: #b69cff;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.42);
  --radius: 18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% -10%, rgba(80, 227, 164, 0.16), transparent 30rem),
    radial-gradient(circle at 88% 4%, rgba(105, 199, 255, 0.16), transparent 34rem),
    linear-gradient(180deg, var(--bg) 0%, #060912 100%);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--info); }
code, pre, .mono { font-family: var(--mono); }

.site-shell {
  width: min(1180px, calc(100vw - 28px));
  margin: 0 auto;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(7, 11, 20, 0.78);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  width: min(1180px, calc(100vw - 28px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(80, 227, 164, 0.55);
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: rgba(80, 227, 164, 0.08);
  box-shadow: 0 0 30px rgba(80, 227, 164, 0.16);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  padding: 9px 11px;
  border-radius: 999px;
}
.nav-links a:hover, .nav-links a.active {
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.hero {
  padding: clamp(58px, 9vw, 116px) 0 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, 0.97fr);
  gap: 28px;
  align-items: center;
}

.eyebrow, .chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(80, 227, 164, 0.3);
  color: var(--accent);
  background: rgba(80, 227, 164, 0.075);
  border-radius: 999px;
  padding: 7px 10px;
  font: 700 12px/1 var(--mono);
  letter-spacing: 0.02em;
}

.chip.info { border-color: rgba(105, 199, 255, 0.32); color: var(--info); background: rgba(105, 199, 255, 0.08); }
.chip.warn { border-color: rgba(255, 209, 102, 0.32); color: var(--warn); background: rgba(255, 209, 102, 0.08); }
.chip.purple { border-color: rgba(182, 156, 255, 0.32); color: var(--purple); background: rgba(182, 156, 255, 0.08); }
.chip.danger { border-color: rgba(255, 107, 138, 0.32); color: var(--danger); background: rgba(255, 107, 138, 0.08); }

h1, h2, h3 { line-height: 1.02; margin: 0; letter-spacing: -0.045em; }
h1 { font-size: clamp(44px, 7vw, 86px); max-width: 850px; margin-top: 18px; }
h2 { font-size: clamp(30px, 4.2vw, 54px); }
h3 { font-size: 22px; }

.lede {
  margin: 20px 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(17px, 1.8vw, 21px);
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 12px 16px;
  border-radius: 13px;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255,255,255,0.055);
  font-weight: 850;
}
.button.primary {
  border-color: rgba(80, 227, 164, 0.48);
  color: #03120c;
  background: linear-gradient(135deg, var(--accent), #b7f7d2);
}
.button:hover { transform: translateY(-1px); color: var(--text); }
.button.primary:hover { color: #03120c; }

.panel, .card, .terminal, .matrix, .callout {
  border: 1px solid var(--line);
  background: rgba(13, 20, 38, 0.76);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.terminal {
  overflow: hidden;
}
.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font: 700 12px/1 var(--mono);
  background: rgba(255,255,255,0.04);
}
.dot-row { display: flex; gap: 7px; }
.dot { width: 10px; height: 10px; border-radius: 99px; background: var(--line); }
.dot:nth-child(1) { background: var(--danger); }
.dot:nth-child(2) { background: var(--warn); }
.dot:nth-child(3) { background: var(--accent); }
.terminal-body { padding: 18px; }
pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  color: #dfe8f7;
  font-size: 13px;
}

.section {
  padding: 42px 0;
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}
.section-head p {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 720px;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card { padding: 20px; }
.card p { color: var(--muted); margin: 10px 0 0; }
.card .num {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  margin-bottom: 14px;
  background: rgba(105, 199, 255, 0.1);
  color: var(--info);
  border: 1px solid rgba(105, 199, 255, 0.24);
  font: 900 13px/1 var(--mono);
}

.matrix { overflow: hidden; }
.matrix-row {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 1.4fr 1fr;
  border-top: 1px solid var(--line);
}
.matrix-row:first-child { border-top: 0; }
.matrix-row > * { padding: 13px 14px; border-left: 1px solid var(--line); }
.matrix-row > *:first-child { border-left: 0; }
.matrix-head { color: var(--text); background: rgba(255,255,255,0.05); font: 800 12px/1.2 var(--mono); text-transform: uppercase; letter-spacing: 0.06em; }
.matrix-row:not(.matrix-head) { color: var(--muted); }
.matrix-row strong { color: var(--text); }

.callout {
  padding: 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  color: var(--muted);
}
.callout strong { color: var(--text); }
.callout-icon {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(80, 227, 164, 0.1);
  color: var(--accent);
  border: 1px solid rgba(80, 227, 164, 0.24);
}

.footer {
  border-top: 1px solid var(--line);
  margin-top: 54px;
  padding: 28px 0 42px;
  color: var(--faint);
  font-size: 14px;
}

.page-title {
  padding: 58px 0 22px;
}
.page-title p { color: var(--muted); max-width: 760px; font-size: 18px; }

.steps { counter-reset: step; display: grid; gap: 14px; }
.step { counter-increment: step; padding: 18px; }
.step::before { content: counter(step); }

@media (max-width: 900px) {
  .hero-grid, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .matrix-row { grid-template-columns: 1fr; }
  .matrix-row > * { border-left: 0; border-top: 1px solid var(--line); }
  .matrix-row > *:first-child { border-top: 0; }
}

@media (max-width: 620px) {
  .nav-inner { align-items: flex-start; flex-direction: column; padding: 14px 0; }
  .nav-links { justify-content: flex-start; }
  .hero { padding-top: 42px; }
}