:root {
  --bg: #0d1117;
  --bg-soft: #11161d;
  --panel: #161b22;
  --border: #232a33;
  --fg: #e6edf3;
  --muted: #9aa7b4;
  --accent: #8b7cff;
  --accent-2: #ffd479;
  --code-bg: #0b0e14;
  --max: 960px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Nav */
nav {
  border-bottom: 1px solid var(--border);
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
nav .wrap { display: flex; align-items: center; gap: 22px; height: 58px; }
.brand { font-weight: 700; font-size: 18px; letter-spacing: -0.02em; color: var(--fg); }
.brand .dot { color: var(--accent); }
nav .links { margin-left: auto; display: flex; gap: 20px; }
nav .links a { color: var(--muted); font-size: 14px; }
nav .links a:hover { color: var(--fg); text-decoration: none; }

/* Hero */
.hero {
  text-align: center;
  padding: 86px 20px 70px;
  background:
    radial-gradient(60% 120% at 50% -10%, rgba(139, 124, 255, 0.18), transparent 60%),
    radial-gradient(40% 80% at 80% 0%, rgba(255, 212, 121, 0.08), transparent 60%);
  border-bottom: 1px solid var(--border);
}
.hero h1 { font-size: 52px; margin: 0 0 14px; letter-spacing: -0.03em; line-height: 1.05; }
.hero h1 .glow { color: var(--accent); text-shadow: 0 0 28px rgba(139, 124, 255, 0.55); }
.hero p.tag { font-size: 20px; color: var(--muted); max-width: 640px; margin: 0 auto 30px; }
.pipeline {
  display: inline-flex; gap: 10px; align-items: center; flex-wrap: wrap;
  justify-content: center; font: 13px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--muted); margin-bottom: 32px;
}
.pipeline span { background: var(--panel); border: 1px solid var(--border); padding: 7px 11px; border-radius: 7px; }
.pipeline .arrow { background: none; border: none; color: var(--accent); padding: 0; }

.btn {
  display: inline-block; padding: 11px 20px; border-radius: 8px; font-weight: 600; font-size: 15px;
}
.btn.primary { background: var(--accent); color: #14101f; }
.btn.primary:hover { text-decoration: none; filter: brightness(1.08); }
.btn.ghost { border: 1px solid var(--border); color: var(--fg); margin-left: 8px; }
.btn.ghost:hover { text-decoration: none; border-color: var(--accent); }

/* Sections */
section { padding: 56px 0; border-bottom: 1px solid var(--border); }
section h2 { font-size: 28px; letter-spacing: -0.02em; margin: 0 0 8px; }
section .sub { color: var(--muted); margin: 0 0 28px; }
h3 { font-size: 18px; margin: 28px 0 10px; }

/* Code */
pre {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 18px; overflow-x: auto; margin: 0 0 18px;
}
code { font: 13.5px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
p code, li code, td code { background: var(--panel); border: 1px solid var(--border); padding: 1px 6px; border-radius: 5px; font-size: 12.5px; }

/* token colors */
.tok-kw { color: #ff9ecb; }
.tok-type { color: #79d3ff; }
.tok-str { color: #b9e88a; }
.tok-num { color: #ffd479; }
.tok-com { color: #5e6b78; font-style: italic; }
.tok-fn { color: #c9b6ff; }

/* Feature grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .ic { font-size: 20px; }

/* Tables */
table { width: 100%; border-collapse: collapse; margin: 0 0 24px; font-size: 14px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }

.example { margin-bottom: 38px; }
.example h3 { display: flex; align-items: baseline; gap: 10px; }
.example .meta { color: var(--muted); font-size: 13px; font-weight: 400; }

footer { padding: 40px 0 60px; color: var(--muted); font-size: 14px; text-align: center; }
footer a { color: var(--muted); }

.note { background: var(--bg-soft); border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0; padding: 12px 16px; color: var(--muted); font-size: 14px; }