/*
  LMNiX — Stylesheet
  Professional, modern, accessible, responsive.
*/

:root{
  --bg:#070b13;
  --panel:#0b0f1a;
  --elev:#111726;
  --text:#e6eaf2;
  --muted:#a6b0c2;
  --brand:#4cc9f0; /* electric blue */
  --brand-2:#a6e1fa; /* light accent */
  --accent:#22d3ee;
  --success:#34d399;
  --warn:#f59e0b;
  --danger:#ef4444;
  --border:rgba(166, 176, 194, 0.18);
  --shadow: 0 10px 30px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.02);
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:22px;
  --container:1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:linear-gradient(180deg, #070b13 0%, #0b0f1a 100%);
}

img,svg{display:block}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:72px 0}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(140%) blur(10px);
  background:rgba(7,11,19,.6);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;letter-spacing:.2px}
.brand span{font-size:18px}
.brand.mini span{font-size:16px}

.nav-toggle{display:none;background:transparent;border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:10px}
.menu{display:flex;align-items:center;gap:18px}
.menu a{color:var(--muted);text-decoration:none;padding:10px 12px;border-radius:10px;border:1px solid transparent}
.menu a:hover{color:var(--text);border-color:var(--border);background:rgba(255,255,255,.02)}
.menu .cta{color:#020617;background:var(--brand-2);border-color:transparent}
.menu .cta:hover{filter:brightness(0.95)}

/* Hero */
.hero{padding-top:48px}
.grid-2{display:grid;grid-template-columns:1.2fr .9fr;gap:32px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.stack{display:flex;flex-direction:column;gap:18px}
.hero-logo{width:210px;max-width:100%;height:auto;display:block;align-self:flex-start;margin-left:0}

h1{font-size:46px;line-height:1.08;margin:0}
.lead{font-size:18px;color:var(--muted);margin:4px 0 10px}
.actions{display:flex;gap:12px;margin-top:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:12px;border:1px solid var(--border);color:var(--text);text-decoration:none;background:rgba(255,255,255,.02);box-shadow:var(--shadow)}
.btn.primary{background:linear-gradient(180deg, var(--brand-2), #7ed4f6);color:#061018;border-color:transparent}
.btn.full{width:100%}

.trust{display:flex;gap:16px;flex-wrap:wrap;padding:0;margin:10px 0 0;list-style:none;color:var(--muted)}
.trust .dot{display:inline-block;width:6px;height:6px;border-radius:6px;background:var(--accent);margin-right:8px}

.card{background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card .header{padding:14px 16px;border-bottom:1px solid var(--border);font-weight:600}
.card .body{padding:16px}
.card .footer{padding:12px 16px;border-top:1px solid var(--border);font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px}
.card.highlight{padding:20px}

.demo{overflow:hidden}
.demo .bubble{max-width:100%;padding:12px 14px;border-radius:12px;margin:10px 0;font-size:15px}
.demo .bubble.user{background:#0e1524;border:1px solid var(--border)}
.demo .bubble.ai{background:#0a1620;border:1px solid var(--border)}
.demo .pulse{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 8px rgba(52,211,153,.12)}

/* Chat (Demo) */
.chat{display:flex;flex-direction:column;height:520px;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));box-shadow:var(--shadow);overflow:hidden}
.chat-messages{flex:1;padding:16px;overflow:auto;display:flex;flex-direction:column;gap:6px}
.chat-input{display:flex;gap:10px;padding:12px;border-top:1px solid var(--border);background:rgba(0,0,0,.08)}
.chat-input input{flex:1}
.chat-bubble{max-width:82%;padding:12px 14px;border-radius:12px;font-size:15px;line-height:1.35}
.chat-bubble.user{align-self:flex-end;background:#0e1524;border:1px solid var(--border)}
.chat-bubble.ai{align-self:flex-start;background:#0a1620;border:1px solid var(--border)}
/* Rich content inside chat */
.chat-bubble ul,.chat-bubble ol{margin:4px 0 4px 18px;padding-left:18px}
.chat-bubble li{margin:2px 0}
.chat-bubble strong{font-weight:700}
.chat-bubble br{line-height:4px}

/* Product */
.product .stack{gap:9px}
.product .stack>h2{margin:0 0 6px}
.product .stack>p{margin:6px 0 8px}
.product .stack>h3{margin:8px 0 6px}
.product .checklist{margin:4px 0 0;padding:0 0 0 20px;color:var(--muted)}
.product .checklist li{margin:8px 0}
.bullets{margin:0;padding-left:18px;color:var(--muted)}
.bullets li{margin:6px 0}
.note{margin-top:8px;color:var(--muted);font-size:14px}

/* Features */
.features{background:radial-gradient(1200px 600px at 20% 10%, rgba(76,201,240,.12), transparent), radial-gradient(800px 400px at 80% 20%, rgba(166,225,250,.10), transparent)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{padding:18px;border:1px solid var(--border);border-radius:var(--radius-sm);background:rgba(255,255,255,.02)}
.feature .icon{font-size:22px;margin-bottom:10px}
.feature h3{margin:8px 0}
.feature p{margin:0;color:var(--muted)}

/* How it works */
.how .step{padding:18px;border:1px solid var(--border);border-radius:var(--radius-sm);background:rgba(255,255,255,.02)}
.how .num{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--brand-2);color:#061018;font-weight:700;margin-bottom:8px}

/* Contact */
.form{padding:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
label{font-weight:600}
input,textarea{background:#0a0f18;border:1px solid var(--border);border-radius:10px;color:var(--text);padding:12px 12px;font:inherit}
input:focus,textarea:focus{outline:none;border-color:#69d2f6;box-shadow:0 0 0 4px rgba(166,225,250,.12)}
.form-note{color:var(--muted);font-size:14px;margin:8px 0 0}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:28px 0;background:rgba(7,11,19,.6);backdrop-filter:saturate(140%) blur(10px)}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px;align-items:center}
.brand-col .brand{margin-bottom:8px}
.muted{color:var(--muted)}
.mini-nav a{display:inline-block;margin-right:12px;color:var(--muted);text-decoration:none}
.mini-nav a:hover{color:var(--text)}

/* Accessibility */
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{position:fixed;left:12px;top:12px;z-index:100;background:#fff;color:#000;padding:8px 10px;border-radius:8px}

/* Demo Focus Mode removed */

/* Layout responsive */
@media (max-width: 980px){
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 640px){
  h1{font-size:34px}
  .hero-logo{width:94px;max-width:100%}
  .menu{display:none;position:absolute;right:12px;top:68px;background:rgba(7,11,19,.96);padding:10px;border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:6px}
  .nav-toggle{display:inline-flex}
  .footer-grid{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr}
}