:root{
  --bg:#0b0f17;
  --panel:#101829;
  --panel2:#0f1626;
  --text:#eaf0ff;
  --muted:#b9c3de;
  --line:rgba(255,255,255,.08);
  --accent:#d0b36a;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 600px at 20% 0%, #1a2240, var(--bg));
  color:var(--text);
}

a{color:var(--text); text-decoration:none}
a:hover{opacity:.9}

.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 18px;
  border-bottom:1px solid var(--line);
  background:rgba(9,12,20,.6);
  backdrop-filter: blur(10px);
  position:sticky;
  top:0;
  z-index:10;
}

.brand{font-weight:700; letter-spacing:.3px}
.nav a{margin-left:14px; color:var(--muted)}
.nav a:hover{color:var(--text)}

.wrap{max-width:980px; margin:0 auto; padding:26px 18px 120px}
.hero{
  padding:22px;
  border:1px solid var(--line);
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
}
.hero h1{margin:0 0 10px 0; font-size:34px}
.hero p{margin:0 0 16px 0; color:var(--muted); line-height:1.45}
.ctaRow{display:flex; gap:10px; flex-wrap:wrap}
.btn{
  display:inline-block;
  padding:10px 14px;
  border-radius:12px;
  background:var(--accent);
  color:#151515;
  font-weight:700;
}
.btn.ghost{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text);
}
.grid{
  margin-top:16px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:12px;
}
.card{
  padding:16px;
  border-radius:18px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.card h2{margin:0 0 8px 0; font-size:18px}
.card p{margin:0; color:var(--muted); line-height:1.45}

/* Widget */
.bb-fab{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:9999;
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 14px;
  border-radius:999px;
  background:rgba(15,22,38,.85);
  border:1px solid var(--line);
  color:var(--text);
  cursor:pointer;
  user-select:none;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 40px rgba(0,0,0,.35);
}
.bb-fab .sub{font-size:12px; color:var(--muted); margin-top:2px}

.bb-panel{
  position:fixed;
  right:18px;
  bottom:78px;
  width:min(420px, calc(100vw - 36px));
  height:min(680px, calc(100vh - 120px));
  z-index:9999;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
  background:rgba(10,14,24,.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 70px rgba(0,0,0,.5);
  display:none;
  flex-direction:column;
}
.bb-head{
  padding:12px 12px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid var(--line);
}
.bb-title{font-weight:800}
.bb-close{
  padding:8px 10px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  cursor:pointer;
}
.bb-body{padding:12px; overflow:auto; flex:1}
.bb-msg{margin:10px 0; display:flex}
.bb-msg.user{justify-content:flex-end}
.bb-bubble{
  max-width:85%;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  line-height:1.35;
  white-space:pre-wrap;
}
.bb-msg.user .bb-bubble{
  background:rgba(208,179,106,.14);
  border-color:rgba(208,179,106,.35);
}
.bb-bubble a{color:var(--accent); text-decoration:underline}
.bb-choices{display:flex; gap:8px; flex-wrap:wrap; margin-top:10px}
.bb-chip{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
  font-size:13px;
}

.bb-foot{
  display:flex;
  gap:8px;
  padding:12px;
  border-top:1px solid var(--line);
}
.bb-input{
  flex:1;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
  outline:none;
}
.bb-send{
  padding:10px 14px;
  border-radius:14px;
  border:1px solid rgba(208,179,106,.45);
  background:rgba(208,179,106,.18);
  color:var(--text);
  cursor:pointer;
  font-weight:700;
}

.bb-form{
  margin-top:10px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  align-items:center;
}
.bb-select{
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
  outline:none;
}
.bb-action{
  padding:10px 14px;
  border-radius:14px;
  border:1px solid rgba(208,179,106,.45);
  background:rgba(208,179,106,.18);
  color:var(--text);
  cursor:pointer;
  font-weight:700;
}

@media (max-width: 820px){
  .grid{grid-template-columns:1fr}
  .hero h1{font-size:28px}
}