:root{
  --bg:#0b1114;
  --card:#0f161a;
  --text:#e6f1f2;
  --muted:#b7c6c9;
  --accent:#36d7b7;
  --accent-2:#3aa3ff;
  --ring: rgba(54,215,183,.25);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}
*{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, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 10% -10%, rgba(58,163,255,.08), transparent),
              radial-gradient(900px 500px at 80% -20%, rgba(54,215,183,.08), transparent),
              var(--bg);
  color:var(--text);
  line-height:1.4;
}
.container{
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 20px 72px;
}
.logo{
  display:flex; align-items:center; gap:14px;
}
.logo img{height:44px; width:auto; display:block; filter: drop-shadow(0 6px 18px rgba(0,0,0,.35));}
.rule{
  width:180px; height:6px; border-radius:6px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  margin:24px 0 32px;
  box-shadow: 0 6px 22px var(--ring);
}
h1{
  font-size: clamp(32px, 5vw, 56px);
  line-height:1.05;
  margin:0 0 18px;
  letter-spacing:-0.01em;
}
p.lead{
  font-size: clamp(18px, 2.1vw, 24px);
  color: var(--muted);
  margin: 0 0 28px;
}
.btns{display:flex; flex-wrap:wrap; gap:16px;}
a.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:14px 20px;
  border-radius:14px;
  text-decoration:none; color:var(--text);
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.02);
  backdrop-filter: blur(4px);
  box-shadow: var(--shadow);
  transition: all .2s ease;
}
a.btn.primary{
  background: linear-gradient(180deg, rgba(54,215,183,.18), rgba(54,215,183,.05));
  border-color: rgba(54,215,183,.35);
}
a.btn:hover{transform: translateY(-1px); border-color: rgba(255,255,255,.25)}
a.btn.primary:hover{box-shadow: 0 8px 32px var(--ring)}
.footer{
  margin-top: 84px;
  padding-top: 24px;
  color: var(--muted);
  display:flex; flex-wrap:wrap; gap:14px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size:14px;
  opacity:.9;
}
.footer > span{margin-right:10px}
/* mobile tweaks */
@media (max-width:600px){
  .container{padding-top:28px}
  .rule{width:150px; height:5px; margin:18px 0 24px}
}