:root{
  --bg:#0a0e16; --bg2:#0f1421; --panel:#121a28; --panel2:#16202f;
  --line:#1f2c3f; --text:#e6edf6; --muted:#8aa0b8; --accent:#2dd4a7;
  --accent2:#1fae87; --danger:#ff5a6e;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,system-ui,sans-serif;
  background:radial-gradient(1200px 600px at 70% -10%,#15243a 0%,var(--bg) 55%) fixed;
  color:var(--text); line-height:1.55; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
code{font-family:"JetBrains Mono",ui-monospace,Consolas,monospace;font-size:.9em}

.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 28px;position:sticky;top:0;z-index:10;
  background:rgba(10,14,22,.7);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;letter-spacing:.3px}
.logo{width:28px;height:28px;border-radius:7px}
.links{display:flex;gap:22px}
.links a{color:var(--muted);font-size:.95rem;transition:color .15s}
.links a:hover{color:var(--text)}

main{max-width:1080px;margin:0 auto;padding:0 24px}

.hero{text-align:center;padding:90px 10px 60px}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.08;letter-spacing:-1px;
  background:linear-gradient(180deg,#fff,#a9c2dc);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{max-width:680px;margin:22px auto 0;color:#c5d3e3;font-size:1.15rem}
.lede b{color:var(--accent)}
.hero-cta{display:flex;gap:14px;justify-content:center;margin:34px 0 14px;flex-wrap:wrap}
.hero-sub{color:var(--muted);font-size:.9rem}

.btn{display:inline-block;padding:13px 26px;border-radius:11px;font-weight:600;font-size:1rem;
  cursor:pointer;transition:transform .12s,box-shadow .2s,background .2s;border:1px solid transparent}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(180deg,var(--accent),var(--accent2));color:#04130d;
  box-shadow:0 8px 24px -10px var(--accent)}
.btn-primary:hover{box-shadow:0 12px 30px -8px var(--accent)}
.btn-ghost{border-color:var(--line);color:var(--text);background:var(--panel)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-disabled,.btn[aria-disabled="true"]{background:var(--panel);color:var(--muted);
  border-color:var(--line);cursor:not-allowed;pointer-events:none}

section{padding:54px 0}
h2{font-size:1.9rem;letter-spacing:-.5px;margin-bottom:26px;text-align:center}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:16px;padding:26px 24px;display:flex;flex-direction:column;gap:10px}
.card-accent{border-color:#244e44;box-shadow:0 0 0 1px #1c3b34 inset,0 18px 50px -28px var(--accent)}
.card-soon{opacity:.72}
.card-os{font-size:.78rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent)}
.card h3{font-size:1.35rem}
.card-desc{color:var(--muted);font-size:.95rem;min-height:48px}
.meta{list-style:none;display:flex;flex-direction:column;gap:4px;color:#b6c6d8;font-size:.9rem;margin:4px 0 8px}
.meta span{color:#fff;font-weight:600}
.card .btn{text-align:center;margin-top:auto}
.hash{margin-top:10px;font-size:.8rem;color:var(--muted)}
.hash summary{cursor:pointer}
.hash code{display:block;margin-top:6px;word-break:break-all;color:#8aa0b8}
.choose{text-align:center;color:var(--muted);margin-top:26px;font-size:.95rem;max-width:680px;margin-left:auto;margin-right:auto}
.choose b{color:var(--text)}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.feat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px}
.feat h4{font-size:1.1rem;margin-bottom:8px;color:#fff}
.feat p{color:var(--muted);font-size:.93rem}

.faq{max-width:760px;margin:0 auto}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:600;color:#fff}
.faq p{color:var(--muted);margin-top:10px;font-size:.93rem}

.legal{max-width:780px;margin:0 auto;padding:50px 0}
.legal h2{font-size:1.4rem;margin-bottom:22px;text-align:left;color:#cbd6e5}
.disclaimer{color:#7c8da2;font-size:.86rem;line-height:1.7;margin-bottom:14px;
  background:var(--panel);border:1px solid var(--line);border-radius:10px;
  padding:14px 18px}
.disclaimer:last-child{margin-bottom:0}

footer{max-width:1080px;margin:40px auto 60px;padding:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;color:var(--muted);font-size:.9rem}
footer a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
footer a:hover{color:var(--text)}
.muted{color:#5e7088}
@media(max-width:560px){.nav{padding:14px 16px}.links{gap:14px}.hero{padding:60px 6px 40px}}