:root{
  --bg:#0b0f14;
  --card:#101824;
  --text:#eaf0ff;
  --muted:#b9c5dd;
  --brand:#6ee7ff;
  --brand2:#a78bfa;
  --line:rgba(255,255,255,.10);
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius:18px;
  --max:1100px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(110,231,255,.18), transparent 60%),
              radial-gradient(900px 500px at 80% 20%, rgba(167,139,250,.16), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.55;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{max-width:var(--max);margin:0 auto;padding:0 18px}
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(12px);
  background: rgba(11,15,20,.70);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;
}
.brand{
  display:flex;gap:10px;align-items:center;font-weight:800;letter-spacing:.3px
}
.brand img{
  width:38px;height:38px;border-radius:12px;object-fit:cover;
  box-shadow: var(--shadow);
}

.nav-links{display:flex;gap:12px;align-items:center}
.nav-links a{
  color:var(--muted);font-weight:650;font-size:14px;
  padding:10px 10px;border-radius:12px;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-cta{
  padding:10px 14px;border-radius:14px;
  background: linear-gradient(135deg, rgba(110,231,255,.18), rgba(167,139,250,.18));
  border:1px solid var(--line);
  font-weight:800;
}
.nav-cta:hover{border-color:rgba(255,255,255,.22)}

.mobile-toggle{
  display:none;border:1px solid var(--line);background:rgba(255,255,255,.05);
  padding:10px 12px;border-radius:14px;color:var(--text);font-weight:700
}

.hero{
  padding:56px 0 28px;
}
.hero-grid{
  display:grid;grid-template-columns: 1.2fr .8fr;gap:22px;align-items:stretch;
}
.hero-card{
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(16,24,36,.95), rgba(16,24,36,.55));
  border-radius:var(--radius);
  padding:26px;
  box-shadow: var(--shadow);
}
.kicker{
  display:inline-flex;gap:10px;align-items:center;
  padding:8px 12px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--muted);font-weight:700;font-size:13px;
}
.kicker-dot{
  width:8px;height:8px;border-radius:99px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
}
h1{font-size:44px;line-height:1.08;margin:14px 0 10px}
p.lead{color:var(--muted);font-size:17px;margin:0 0 18px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 16px;border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  font-weight:800;
}
.btn.primary{
  background: linear-gradient(135deg, rgba(110,231,255,.22), rgba(167,139,250,.22));
}
.btn:hover{border-color:rgba(255,255,255,.22)}

.side-stack{display:flex;flex-direction:column;gap:14px}
.mini{
  border:1px solid var(--line);
  background: rgba(16,24,36,.55);
  border-radius:var(--radius);
  padding:18px;
}
.mini h3{margin:0 0 6px;font-size:16px}
.mini p{margin:0;color:var(--muted);font-size:14px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{
  font-size:12px;color:var(--muted);
  border:1px solid var(--line);
  padding:7px 10px;border-radius:999px;
  background:rgba(255,255,255,.04);
}

.section{padding:26px 0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{
  border:1px solid var(--line);
  background: rgba(16,24,36,.55);
  border-radius:var(--radius);
  padding:18px;
}
.card h3{margin:0 0 6px}
.card p{margin:0;color:var(--muted)}
hr.sep{border:0;border-top:1px solid var(--line);margin:18px 0}

.page-title{
  padding:28px 0 10px;
}
.page-title h1{font-size:34px;margin:0 0 8px}
.page-title p{color:var(--muted);margin:0}

.two-col{display:grid;grid-template-columns: 1fr 1fr;gap:14px}
.list{margin:10px 0 0;padding-left:18px;color:var(--muted)}
.list li{margin:8px 0}

.form{
  display:grid;gap:12px;margin-top:10px
}
.input{
  width:100%;padding:12px 12px;border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);color:var(--text);
  outline:none;
}
textarea.input{min-height:140px;resize:vertical}
.small{color:var(--muted);font-size:13px;margin:6px 0 0}

.footer{
  margin-top:28px;
  border-top:1px solid var(--line);
  padding:18px 0 30px;
  color:var(--muted);
  font-size:13px;
}
.footer a{color:var(--text)}
.footer-grid{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center
}

.notice{
  border:1px dashed rgba(255,255,255,.22);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius);
  padding:14px;
  color: var(--muted);
  font-size:14px;
}

/* Responsive */
@media (max-width: 900px){
  h1{font-size:36px}
  .hero-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .mobile-toggle{display:inline-flex}
  .nav-links{
    display:none;
    position:absolute;left:18px;right:18px;top:64px;
    background: rgba(11,15,20,.96);
    border:1px solid var(--line);
    border-radius:18px;
    padding:12px;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
  }
  .nav-links.show{display:flex}
  .nav-links a{width:100%}
}