:root{
  --bg:#070a11;
  --panel:#0d1220;
  --text:#ecf2ff;
  --muted:#aab0c0;
  --lime:#7bd23c;
  --blue:#1f5aa6;
  --aqua:#31c48d;
  --ring: rgba(49,196,141,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:'Sora','Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1100px 500px at 50% -10%, rgba(49,196,141,.10), transparent 70%),
    radial-gradient(900px 480px at 80% 10%, rgba(31,90,166,.12), transparent 60%),
    radial-gradient(900px 480px at 20% 0%, rgba(123,210,60,.12), transparent 60%),
    var(--bg);
  overflow-x:hidden;
}
#bg{position:fixed;inset:0;z-index:-1}

.nav{
  position:sticky;top:0;z-index:10;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;
  background:linear-gradient(to bottom, rgba(7,10,17,.95), rgba(7,10,17,.5), transparent);
  border-bottom:1px solid rgba(255,255,255,.06);
  backdrop-filter:saturate(140%) blur(6px);
}
.nav .left{display:flex;align-items:center;gap:12px}
.logo{width:40px;height:40px;object-fit:contain}
.brand{font-weight:800; letter-spacing:0.2px}
.nav .right{display:flex;gap:18px;align-items:center}
.nav a{color:var(--text);text-decoration:none;opacity:.9}
.nav a:hover{opacity:1}

.btn{
  padding:10px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.03);color:var(--text);text-decoration:none;transition:200ms ease;
}
.btn:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.22)}
.btn-primary{
  background:linear-gradient(90deg, var(--lime), var(--aqua), var(--blue));
  border:none;color:#070a11;font-weight:800;
}
.btn.outline{background:transparent}
.btn.glow { box-shadow: 0 0 0 0 var(--ring); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--ring); }
  70% { box-shadow: 0 0 0 16px rgba(49,196,141,0); }
  100% { box-shadow: 0 0 0 0 rgba(49,196,141,0); }
}

.hero{
  max-width:1100px;margin:96px auto 40px;padding:0 20px;text-align:center;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
}
.mark-center{width:clamp(140px,18vw,240px);
  display:block;margin:0 auto 16px;width:clamp(96px,14vw,180px);height:auto;
  animation:floaty 6s ease-in-out infinite;
}
.badge{
  display:inline-flex;align-items:center;justify-content:center;
  margin:0 auto 18px;padding:10px 16px;border-radius:9999px;
  background:rgba(49,196,141,.12);border:1px solid rgba(49,196,141,.35);
  color:var(--muted);font-weight:700;line-height:1;
}
.hero h1{font-size:clamp(32px,4.8vw,64px);margin:8px 0 14px;line-height:1.05;letter-spacing:-.6px}
.accent{
  background:linear-gradient(90deg, var(--lime), var(--aqua), var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.sub{max-width:860px;margin:0 auto;color:var(--muted);font-size:18px}
.cta{display:flex;gap:12px;justify-content:center;margin-top:22px;flex-wrap:wrap}

.panel{
  max-width:1100px;margin:80px auto;padding:28px;border-radius:20px;
  background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.01));
  border:1px solid rgba(255,255,255,.06);box-shadow:0 10px 40px rgba(0,0,0,.3);
}
.panel h2{margin-top:0;font-size:28px}
.grid-2{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-3{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;padding-left:18px;color:var(--muted)}

.cards{background:transparent;border:none;box-shadow:none}
.cards h2{margin-bottom:12px}
.cards-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{
  background:var(--panel);border:1px solid rgba(255,255,255,.06);
  border-radius:18px;padding:20px;transition:transform 180ms ease,border-color 180ms ease;
}
.card:hover{transform:translateY(-3px);border-color:rgba(123,210,60,.35)}

.use{background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:16px}

.footer{text-align:center;color:var(--muted);padding:48px 16px 60px}

@keyframes floaty{0%{transform:translateY(0)}50%{transform:translateY(-6px)}100%{transform:translateY(0)}}