/* styles as provided earlier */
:root{
  --bg: #0b1220;
  --panel: #0f172a;
  --text: #e5e7eb;
  --muted:#94a3b8;
  --primary:#7c3aed;
  --primary-2:#22d3ee;
  --glass: rgba(15,23,42,.6);
  --border: rgba(148,163,184,.15);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,sans-serif;color:var(--text);background:linear-gradient(180deg,#060913,#0b1220 40%,#0b1220)}
img{max-width:100%;display:block}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;backdrop-filter:saturate(140%) blur(8px);z-index:10;border-bottom:1px solid var(--border)}
.glass{background:var(--glass)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;gap:.5rem;align-items:center;color:var(--text);text-decoration:none;font-weight:800;letter-spacing:.2px}
.logo{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff}
.menu{display:flex;gap:1rem}
.menu a{color:var(--muted);text-decoration:none;padding:.5rem .75rem;border-radius:10px}
.menu a:hover{color:var(--text);background:rgba(124,58,237,.12)}
.menu a.active{color:#fff;background:rgba(34,211,238,.18);border:1px solid rgba(34,211,238,.25)}
#nav-toggle{display:none}
.burger{display:none;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:#cbd5e1;margin:5px 0;border-radius:2px}
.hero{padding:88px 0 60px}
.gradient{background:
 radial-gradient(600px 300px at 10% 10%, rgba(124,58,237,.25), transparent 60%),
 radial-gradient(600px 300px at 90% 20%, rgba(34,211,238,.2), transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
h1{font-size:40px;line-height:1.1;margin:.2em 0}
.lead{color:#cbd5e1;font-size:18px}
.cta{display:flex;gap:12px;margin-top:16px}
.btn{display:inline-block;padding:10px 16px;border-radius:12px;border:1px solid var(--border);text-decoration:none;color:var(--text);transition:.2s}
.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));border-color:transparent;color:#0b1220;font-weight:700}
.btn.ghost{background:transparent}
.btn:hover{transform:translateY(-1px);opacity:.95}
.section{padding:64px 0}
.alt{background:rgba(2,6,23,.35);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.card{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:18px}
.code-card pre{margin:0;white-space:pre-wrap}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{padding:18px;border-radius:16px;background:rgba(2,6,23,.5);border:1px dashed var(--border)}
.feature .icon{font-size:24px;margin-bottom:8px}
.columns{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:flex-start}
.checklist{margin:0;padding-left:18px}
.checklist li{margin:8px 0}
.form label{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
input,textarea{background:#0b1220;border:1px solid var(--border);color:var(--text);padding:10px;border-radius:10px}
input:focus,textarea:focus{outline:2px solid rgba(34,211,238,.35)}
.form-actions{display:flex;gap:10px;align-items:center;margin-top:8px}
.status{margin-top:10px;color:#a7f3d0}
.info .muted{color:var(--muted);font-size:14px}
.site-footer{border-top:1px solid var(--border);padding:24px 0;background:rgba(2,6,23,.35);text-align:center}
@media (max-width:860px){
  .hero-grid,.columns,.feature-grid{grid-template-columns:1fr}
  .burger{display:block}
  .menu{position:absolute;right:20px;top:64px;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:10px;display:none;flex-direction:column}
  #nav-toggle:checked ~ .menu{display:flex}
}