:root{
  --bg:#0b1220;
  --card:#0f1a33;
  --muted:#a9b4d0;
  --text:#eaf0ff;
  --accent:#5aa2ff;
  --accent2:#7c5cff;
  --ok:#1fd18a;
  --border:rgba(255,255,255,.10);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 18px;
  --max: 1120px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 15% 10%, rgba(90,162,255,.18), transparent 60%),
              radial-gradient(900px 600px at 80% 20%, rgba(124,92,255,.16), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.55;
}
a{color:inherit; text-decoration:none}
.container{max-width:var(--max); margin:0 auto; padding:0 20px}
.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.65);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:14px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  font-weight:800; letter-spacing:.2px;
}
.logo{
  width:34px; height:34px; border-radius:12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 8px 22px rgba(90,162,255,.25);
}
.nav-links{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
.nav-links a{
  color:var(--muted);
  font-weight:700;
  padding:8px 10px;
  border-radius:12px;
}
.nav-links a:hover{background: rgba(255,255,255,.06); color: var(--text)}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight:800;
  cursor:pointer;
  transition: transform .05s ease, filter .15s ease;
  user-select:none;
}
.btn:hover{background: rgba(255,255,255,.10)}
.btn:active{transform: translateY(1px)}
.btn-primary{
  border:none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 14px 26px rgba(90,162,255,.18);
}
.btn-primary:hover{filter: brightness(1.03)}
.card{
  background: rgba(15,26,51,.78);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.section{padding: 26px 0}
h1{margin:0 0 12px; font-size: 40px; line-height:1.15}
h2{margin:0 0 14px; font-size: 24px}
h3{margin:0 0 8px; font-size: 16px}
@media (max-width: 520px){h1{font-size: 32px}}
.lead{color: var(--muted); font-size: 16.5px; margin:0 0 18px}
.grid2{display:grid; grid-template-columns: 1.1fr .9fr; gap:16px}
.grid3{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px}
@media (max-width: 900px){.grid2,.grid3{grid-template-columns: 1fr}}
.muted{color: var(--muted)}
.kicker{
  display:inline-flex; align-items:center; gap:10px;
  padding:8px 12px;
  border:1px solid var(--border);
  border-radius:999px;
  color: var(--muted);
  font-weight:800;
  background: rgba(255,255,255,.04);
  margin-bottom:14px;
}
.dot{
  width:10px; height:10px; border-radius:50%;
  background: var(--ok);
  box-shadow: 0 0 0 4px rgba(31,209,138,.15);
}
.pill{
  display:inline-flex; gap:8px; align-items:center;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--muted);
  font-weight:800;
  font-size: 13px;
  margin-right: 8px;
  margin-top: 8px;
}
.check{
  width:18px;height:18px;border-radius:6px;
  background: rgba(31,209,138,.12);
  border:1px solid rgba(31,209,138,.35);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color: var(--ok);
  font-weight:900;
}
.notice{
  border: 1px solid rgba(255,90,122,.25);
  background: rgba(255,90,122,.08);
  border-radius: 16px;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 13px;
  margin-top: 14px;
}
.footer{
  border-top:1px solid var(--border);
  margin-top: 28px;
  padding: 22px 0;
  color: var(--muted);
  font-size: 14px;
}
.footer-grid{display:grid; grid-template-columns: 1.2fr .8fr; gap:16px}
@media (max-width: 900px){.footer-grid{grid-template-columns: 1fr}}
.legal-links{display:flex; flex-wrap:wrap; gap:10px}
.legal-links a{
  color: var(--muted);
  padding:8px 10px;
  border-radius:12px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.legal-links a:hover{color: var(--text); background: rgba(255,255,255,.06)}
.small{font-size:13px}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-weight:800;
  font-size:12px;
}
.hr{height:1px;background:var(--border); margin:14px 0}
.input, textarea, select{
  width:100%;
  border-radius: 14px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--text);
  padding: 12px 12px;
  outline:none;
  font-size: 14px;
}
textarea{min-height: 110px; resize: vertical}
.form-row{display:grid; grid-template-columns: 1fr 1fr; gap:12px}
@media (max-width: 720px){.form-row{grid-template-columns: 1fr}}
/* chatbot widget */
.chat-wrap{
  display:flex; flex-direction:column;
  border-radius: 18px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  overflow:hidden;
  height: 520px;
}
.chat-head{
  padding:14px 14px;
  border-bottom:1px solid var(--border);
  display:flex; justify-content:space-between; align-items:center; gap:10px;
}
.chat-title{font-weight:900}
.chat-status{font-size:12px;color:var(--muted); font-weight:800}
.chat-body{
  flex:1;
  padding:14px;
  overflow:auto;
  display:flex; flex-direction:column; gap:10px;
}
.bubble{
  max-width: 88%;
  padding:10px 12px;
  border-radius: 16px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
}
.bubble.user{
  margin-left:auto;
  background: rgba(90,162,255,.10);
  border-color: rgba(90,162,255,.22);
}
.bubble.bot{
  margin-right:auto;
}
.chat-foot{
  border-top:1px solid var(--border);
  padding:12px;
  display:flex; gap:10px;
}
.chat-foot input{flex:1;}
kbd{
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  padding:2px 6px;
  border-radius:8px;
  font-size:12px;
  color: var(--muted);
}