:root{
  --gold:#D4AF37;
  --dark:#050505;
  --glass:rgba(255,255,255,.08);
}

body{
  margin:0;
  font-family:'Poppins',sans-serif;
  background:radial-gradient(circle at top,#111,#000);
  color:#fff;
}

h1,h2{
  font-family:'Cinzel',serif;
  color:var(--gold);
  letter-spacing:1px;
}

.hero{
  min-height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
  background:linear-gradient(to bottom,rgba(0,0,0,.4),rgba(0,0,0,.95)),
  url("https://images.unsplash.com/photo-1518770660439-4636190af475") center/cover fixed;
}

.hero-box{
  background:var(--glass);
  backdrop-filter:blur(20px);
  padding:80px;
  border-radius:30px;
  text-align:center;
}

.btn{
  padding:14px 36px;
  border-radius:40px;
  margin:10px;
  cursor:pointer;
}

.btn.gold{background:var(--gold);color:#000}
.btn.outline{border:1px solid var(--gold);color:var(--gold)}

.section{padding:120px 20px;text-align:center}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:30px;
  max-width:1200px;
  margin:auto;
}

.card{
  background:#0d0d0d;
  padding:40px;
  border-radius:25px;
  border:1px solid #222;
}

.three-section{
  height:110vh;
}

#aiCanvas{
  width:100%;
  height:100%;
  display:block;
}

/* DEMO CHAT */
#demoBox{
  position:fixed;
  right:20px;
  bottom:20px;
  width:340px;
  background:#0b0b0b;
  border:1px solid var(--gold);
  border-radius:20px;
  display:none;
  flex-direction:column;
}

#demoBox header{
  background:var(--gold);
  color:#000;
  padding:14px;
  font-weight:600;
  display:flex;
  justify-content:space-between;
}

#messages{
  padding:12px;
  height:240px;
  overflow-y:auto;
  font-size:14px;
}

#demoBox input,select{
  padding:12px;
  border:none;
  outline:none;
  background:#111;
  color:#fff;
}

footer{
  padding:40px;
  text-align:center;
  opacity:.6;
}