:root {
  --bg: #0b0c10;
  --panel: rgba(255, 255, 255, 0.06);
  --panel2: rgba(255, 255, 255, 0.08);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.7);
  --border: rgba(255, 255, 255, 0.12);
  --accent: #7c3aed; /* violet */
  --accent2: #22c55e; /* green */
  --shadow: rgba(0, 0, 0, 0.35);
  --codebg: rgba(0, 0, 0, 0.35);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --panel: rgba(2, 6, 23, 0.04);
    --panel2: rgba(2, 6, 23, 0.06);
    --text: rgba(2, 6, 23, 0.92);
    --muted: rgba(2, 6, 23, 0.68);
    --border: rgba(2, 6, 23, 0.12);
    --shadow: rgba(2, 6, 23, 0.12);
    --codebg: rgba(2, 6, 23, 0.06);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(124, 58, 237, 0.22), transparent 60%),
    radial-gradient(900px 500px at 90% 30%, rgba(34, 197, 94, 0.16), transparent 60%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 12px;
}

.brand { display: flex; align-items: baseline; gap: 10px; }
.brand__mark {
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: 18px;
}
.brand__tag { color: var(--muted); font-size: 13px; }

.nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
.nav a { color: var(--muted); font-size: 13px; }
.nav a:hover { color: var(--text); }
.nav__cta {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text) !important;
}

.hero { padding: 56px 0 22px; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: start;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 6px 10px;
  border-radius: 999px;
}

h1 {
  margin: 14px 0 12px;
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-size: clamp(36px, 4.2vw, 56px);
}

.accent {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  margin: 0 0 16px;
}

.hero__buttons { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0 16px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 14px;
}
.btn--primary {
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 70%, transparent), color-mix(in srgb, var(--accent2) 55%, transparent));
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}

.hero__code pre {
  margin: 0;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--codebg);
  overflow: auto;
}
code, pre { font-family: var(--mono); }
pre code { font-size: 13px; line-height: 1.55; }

.micro { margin: 10px 0 0; font-size: 12.5px; color: var(--muted); }
.mono { font-family: var(--mono); background: var(--panel); padding: 2px 6px; border: 1px solid var(--border); border-radius: 8px; }

.section { padding: 44px 0; }
h2 { margin: 0 0 16px; font-size: 28px; letter-spacing: -0.02em; }

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 18px 40px var(--shadow);
  padding: 16px;
}
.card h3 { margin: 2px 0 10px; letter-spacing: -0.01em; }
.card ul { margin: 8px 0 0; padding-left: 18px; color: var(--muted); line-height: 1.65; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }

.callout {
  margin-top: 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border));
  background: color-mix(in srgb, var(--accent) 12%, var(--panel));
  border-radius: 18px;
  padding: 14px 16px;
  color: var(--muted);
}
.callout strong { color: var(--text); }

.diagram .card__title { font-weight: 700; margin-bottom: 10px; }
.diagram__svg { border-radius: 14px; overflow: hidden; border: 1px solid var(--border); background: var(--panel2); }
.diagram__svg svg { width: 100%; height: auto; display: block; }
.diagram__legend { display: grid; gap: 8px; margin-top: 12px; color: var(--muted); font-size: 13px; }
.pill {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel2);
  font-size: 12px;
  margin-right: 8px;
}

.faq details summary {
  cursor: pointer;
  font-weight: 650;
  margin: -2px 0 8px;
}
.faq details p { color: var(--muted); line-height: 1.65; margin: 0; }

.footer {
  padding: 22px 0 34px;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
}
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer__links { display: flex; gap: 14px; color: var(--muted); font-size: 13px; }

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .grid3 { grid-template-columns: 1fr; }
  .grid2 { grid-template-columns: 1fr; }
  .two { grid-template-columns: 1fr; }
  .nav { display: none; }
}