:root{
  --bg:#0b0f16;
  --card:rgba(255,255,255,.03);
  --border:rgba(255,255,255,.1);
  --text:#e9eef7;
  --muted:#a0aec0;
  --accent:#5ea0ff;
  --accent2:#0062ff;
  --accent-gradient:linear-gradient(135deg,var(--accent) 0%,var(--accent2) 100%);
  --chat-bg:#161b26;
  --shadow:0 20px 50px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
  background-color:var(--bg);
  background-image:radial-gradient(circle at 50% -20%, #1e293b 0%, var(--bg) 80%);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:920px;margin:0 auto;padding:0 24px}
a{color:inherit}
a.link{color:var(--accent);text-decoration:none}
a.link:hover{text-decoration:underline}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:22px 0}
.brand{text-decoration:none;font-weight:950;font-size:1.65rem;letter-spacing:-1px}
.brand span{color:var(--accent)}
.brand-tag{display:inline-block;margin-left:10px;font-size:.78rem;font-weight:600;letter-spacing:1.8px;color:var(--muted);text-transform:uppercase}
.nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.nav a{text-decoration:none;color:var(--text);font-weight:700;font-size:.95rem;opacity:.92}
.nav a:hover{opacity:1;color:var(--accent)}
.nav .badge{padding:10px 14px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--border)}
.nav .badge:hover{background:rgba(255,255,255,.06)}
.hero{padding:56px 0 28px;text-align:center}
.hero h1{font-size:clamp(2.3rem,5.6vw,3.7rem);line-height:1.02;font-weight:950;letter-spacing:-2px;margin:0 0 14px}
.hero .subhead{font-size:1.2rem;color:var(--muted);max-width:720px;margin:0 auto 26px;font-weight:550}
.hero .micro{margin-top:10px;color:var(--muted);font-size:.95rem}
.btn-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 26px;border-radius:12px;font-weight:850;text-decoration:none;transition:all .2s ease;cursor:pointer}
.btn:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn-primary{background:var(--accent-gradient);color:#fff;border:none}
.btn-secondary{color:var(--text);border:1px solid var(--border);background:rgba(255,255,255,.02)}
.section{padding:24px 0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{padding:26px;background:var(--card);border:1px solid var(--border);border-radius:20px}
.card h3{margin:0;color:var(--accent);font-size:1.25rem;font-weight:900;line-height:1.2}
.card p{margin:10px 0 0;color:var(--muted);font-size:.98rem}
.demo-container{padding:18px 0 6px;text-align:center}
.demo-title{font-size:1.1rem;font-weight:900;margin:0 0 16px;color:var(--accent)}
.chat-frame{max-width:440px;margin:0 auto;background:var(--chat-bg);border:1px solid var(--border);border-radius:28px;padding:22px;text-align:left;box-shadow:var(--shadow)}
.chat-label{font-size:11px;text-transform:uppercase;color:#8a93a3;margin-bottom:14px;text-align:center;letter-spacing:1px;font-weight:900}
.chat-meta{font-size:12px;color:#666;margin:10px 0 6px;font-style:italic}
.msg{margin-bottom:14px;padding:14px 16px;border-radius:20px;font-size:14.5px;line-height:1.35;max-width:88%}
.msg-system{background:#2d3748;color:#fff;border-bottom-left-radius:6px}
.msg-user{background:var(--accent);color:#07101f;border-bottom-right-radius:6px;margin-left:auto;font-weight:900}
.table-wrap{overflow-x:auto;margin:26px 0 0}
table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;font-size:14.5px}
th,td{padding:16px;text-align:left;border-bottom:1px solid var(--border)}
th{background:rgba(255,255,255,.05);font-weight:900;text-transform:uppercase;font-size:12px;letter-spacing:1px}
.check{color:#4ade80;font-weight:900}
.cross{color:#f87171;font-weight:900}
.pricing{text-align:center;padding:44px 0;border-top:1px solid var(--border);margin-top:32px}
.price-tag{font-size:2.7rem;font-weight:950;margin:8px 0 2px;letter-spacing:-1px}
.price-tag span{font-size:1.05rem;color:var(--muted);font-weight:500}
.price-sub{color:var(--muted);font-size:.95rem;margin:10px 0 20px}
.kicker{color:var(--muted);font-size:.95rem;margin:10px auto 0;max-width:760px}
.footer{padding:34px 0;text-align:center;border-top:1px solid var(--border);font-size:.92rem;color:var(--muted)}
.footer a{color:var(--accent);text-decoration:none}
.footer a:hover{text-decoration:underline}
.footer .links{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:10px}
hr.sep{border:none;border-top:1px solid var(--border);margin:18px 0}
@media (max-width:720px){
  .grid-2{grid-template-columns:1fr}
  .nav{gap:12px}
  .brand-tag{display:none}
}


.bullets{margin:14px 0 0; padding-left:18px; color:var(--muted);} .bullets li{margin:8px 0;} .bullets strong{color:var(--text);}

/* --- Additions for dropdowns, consistent typography, and mobile nav --- */
.h3{font-size:1.15rem;font-weight:800;margin:0 0 10px;}
.p{margin:0.65rem 0;color:var(--muted);font-size:1rem;}
.small{font-size:0.95rem;color:var(--muted);}
.section{padding:28px 0;}
.card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:24px;}
.card + .card{margin-top:18px;}
.sep{border:0;border-top:1px solid var(--border);margin:18px 0;}
.ul, ul{padding-left:1.15rem;margin:0.75rem 0 0.25rem;}
.ul li, ul li{margin:0.4rem 0;line-height:1.5;}
/* tighten nested lists */
.ul ul, ul ul{margin-top:0.35rem;}

/* Dropdowns */
.dropdown{position:relative;display:inline-block;}
.dropbtn{background:transparent;border:0;color:var(--text);font:inherit;font-weight:700;cursor:pointer;padding:10px 12px;border-radius:10px;}
.dropbtn:hover{background:rgba(255,255,255,0.04);}
.dropdown-content{
  display:none;
  position:absolute;
  top:100%;
  left:0;
  min-width:220px;
  background:#0f1522;
  border:1px solid var(--border);
  border-radius:14px;
  padding:8px;
  z-index:50;
  box-shadow:0 18px 40px rgba(0,0,0,0.45);
}
.dropdown-content a{
  display:block;
  padding:10px 10px;
  border-radius:10px;
  color:var(--text);
  text-decoration:none;
  font-weight:650;
}
.dropdown-content a:hover{background:rgba(255,255,255,0.05);}
.dropdown:hover .dropdown-content{display:block;} /* desktop hover */

/* Header / nav */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;}
.nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav a{color:var(--text);text-decoration:none;font-weight:700;padding:10px 12px;border-radius:10px;}
.nav a:hover{background:rgba(255,255,255,0.04);}
.nav .badge{background:var(--accent-gradient);color:white;border:0;}
.nav-toggle{
  display:none;
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  font-weight:900;
  cursor:pointer;
}

/* Mobile nav: collapse into hamburger */
@media (max-width: 780px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav{display:none;width:100%;flex-direction:column;align-items:stretch;padding-top:10px;}
  .nav.open{display:flex;}
  .dropdown{width:100%;}
  .dropbtn{width:100%;text-align:left;}
  .dropdown-content{position:static;display:none;margin-top:6px;}
  .dropdown.open .dropdown-content{display:block;}
}