/* LIYANS MCP — product site stylesheet. Self-contained: system fonts, no external assets. */
:root{
  --bg:#070a12;
  --bg-2:#0a0e1a;
  --surface:#0e1322;
  --surface-2:#121a30;
  --border:#1f2947;
  --border-soft:#17203a;
  --text:#e9edf8;
  --muted:#9aa7c4;
  --muted-2:#75819e;
  --accent:#7c6cff;
  --accent-strong:#6653f0;
  --accent-soft:rgba(124,108,255,.14);
  --accent-text:#b3a8ff;
  --ok:#43c98a;
  --warn:#e8b34b;
  --radius:14px;
  --radius-sm:9px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16.5px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--accent);color:#fff}
a{color:var(--accent-text);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1140px;margin:0 auto;padding:0 22px}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .55em;font-weight:750;letter-spacing:-.01em}
h1{font-size:2.7rem}
h2{font-size:1.9rem;margin-top:1.4em}
h3{font-size:1.25rem}
p{margin:0 0 1em}
.lead{font-size:1.16rem;color:var(--muted)}
.muted{color:var(--muted)}
.small{font-size:.88rem}
code{font-family:var(--mono);font-size:.86em;background:var(--surface-2);border:1px solid var(--border-soft);border-radius:6px;padding:.08em .38em;color:#cfd8ff}
pre{background:#0a0e1c;border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px;overflow-x:auto;font-size:.86rem;line-height:1.55}
pre code{background:none;border:none;padding:0;color:#d7def5;font-size:1em}
ul,ol{margin:0 0 1em;padding-left:1.35em}
li{margin-bottom:.35em}
hr.sep{border:none;border-top:1px solid var(--border-soft);margin:2.6em 0}
table{width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:.95rem}
th,td{border:1px solid var(--border);padding:9px 13px;text-align:left;vertical-align:top}
th{background:var(--surface-2);font-weight:650}
td{background:rgba(255,255,255,.01)}
details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 18px;margin-bottom:12px}
details summary{cursor:pointer;font-weight:650;font-size:1.02rem}
details p:last-child{margin-bottom:.2em}
details[open ] summary{margin-bottom:.5em}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,10,18,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-soft)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-size:1.12rem;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand strong{color:var(--accent-text);font-weight:800}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#fff;font-weight:800;font-size:.82rem;letter-spacing:.03em}
.main-nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
.main-nav a{color:var(--muted);padding:7px 10px;border-radius:8px;font-size:.94rem;white-space:nowrap}
.main-nav a:hover{color:var(--text);background:var(--surface);text-decoration:none}
.main-nav a.active{color:var(--text);background:var(--accent-soft)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;margin-left:auto;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:8px;width:40px;height:40px;font-size:1.1rem;cursor:pointer}

/* Buttons */
.btn{display:inline-block;padding:11px 22px;border-radius:10px;font-weight:650;font-size:.98rem;border:1px solid transparent;transition:transform .05s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#fff}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--accent)}
.btn-sm{padding:8px 16px;font-size:.9rem}

/* Hero */
.hero{padding:76px 0 56px;background:
  radial-gradient(700px 320px at 18% -60px,var(--accent-soft),transparent 70%),
  radial-gradient(600px 300px at 88% -40px,rgba(124,108,255,.08),transparent 70%),var(--bg-2);
  border-bottom:1px solid var(--border-soft)}
.hero h1{max-width:16ch}
.hero h1 .grad{background:linear-gradient(92deg,var(--accent-text),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-text);background:var(--accent-soft);border:1px solid rgba(124,108,255,.35);padding:5px 12px;border-radius:999px;margin-bottom:20px}
.hero .lead{max-width:62ch}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 20px}
.endpoint-chip{display:inline-block;font-family:var(--mono);font-size:.85rem;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:9px 14px}
.endpoint-chip b{color:var(--text);font-weight:600}

/* Sections & cards */
.section{padding:58px 0}
.section.alt{background:var(--bg-2);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}
.section-head{max-width:70ch;margin-bottom:30px}
.section-head h2{margin-top:0}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.card h3{margin-bottom:.35em}
.card p{color:var(--muted);margin-bottom:0}
.card .big{font-size:2rem;font-weight:800;color:var(--text);line-height:1.1}
.card-link{display:inline-block;margin-top:12px;font-weight:600;font-size:.93rem}
.pill{display:inline-block;font-size:.78rem;font-weight:650;padding:3px 10px;border-radius:999px;border:1px solid var(--border);color:var(--muted);background:var(--surface-2)}
.pill.ok{color:var(--ok);border-color:rgba(67,201,138,.4)}
.pill.plan{color:var(--warn);border-color:rgba(232,179,75,.4)}
.pill.acc{color:var(--accent-text);border-color:rgba(124,108,255,.4)}
.callout{background:var(--accent-soft);border:1px solid rgba(124,108,255,.35);border-radius:var(--radius);padding:20px 24px;margin:0 0 1.6em}
.callout p:last-child{margin-bottom:0}
.callout.warn{background:rgba(232,179,75,.08);border-color:rgba(232,179,75,.35)}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 8px}
.chips code{font-size:.8rem}
.hash{word-break:break-all;font-size:.8rem}

/* Page head (non-home pages) */
.page-head{padding:52px 0 8px}
.page-head h1{font-size:2.25rem;max-width:22ch}
.page-head .lead{max-width:68ch}
.prose{max-width:820px}
.prose h2:first-child{margin-top:.4em}

/* Article */
.article-meta{color:var(--muted-2);font-size:.9rem;margin-bottom:1.4em}
.article-card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;color:var(--text)}
.article-card:hover{text-decoration:none;border-color:var(--accent)}
.article-card h3{color:var(--text)}
.article-card p{color:var(--muted);margin-bottom:0}

/* Version blocks */
.version{border:1px solid var(--border);border-radius:var(--radius);padding:26px 28px;margin-bottom:20px;background:var(--surface)}
.version h3{margin-bottom:.15em}
.version .vmeta{color:var(--muted-2);font-size:.9rem;margin-bottom:1em}

/* Footer */
.site-footer{border-top:1px solid var(--border-soft);background:var(--bg-2);padding:52px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;padding-bottom:38px}
.footer-grid h4{font-size:.92rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:14px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:var(--muted);font-size:.95rem}
.footer-grid a:hover{color:var(--text)}
.footer-about{color:var(--muted);font-size:.95rem;max-width:36ch}
.footer-bar{border-top:1px solid var(--border-soft);padding:18px 0;color:var(--muted-2);font-size:.88rem;display:flex;gap:14px;flex-wrap:wrap;justify-content:space-between}

@media (max-width:960px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  h1{font-size:2.15rem}
  .hero{padding:52px 0 42px}
}
@media (max-width:720px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .main-nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg-2);border-bottom:1px solid var(--border);flex-direction:column;padding:12px 22px 18px;gap:2px}
  .main-nav.open{display:flex}
  .main-nav a{padding:10px 12px}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .footer-grid{grid-template-columns:1fr}
  body{font-size:16px}
}