:root{
  --bg:#080d1a; --card:#0e1525; --card-hover:#131d30; --line:#1e2d45;
  --text:#e2e8f0; --muted:#94a3b8; --faint:#64748b; --orange:#F97316;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html,body{background:var(--bg);color:var(--text);font-family:'Space Grotesk',system-ui,sans-serif;}
body{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:0 1rem 3rem;}
a{color:var(--orange);}

/* Top navigation, shared by every page */
.nav{width:100%;max-width:880px;display:flex;align-items:center;justify-content:space-between;padding:1.1rem 0;margin-bottom:1.5rem;border-bottom:1px solid var(--line);}
.nav-brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--text);font-weight:700;letter-spacing:.04em;}
.nav-brand img{width:32px;height:32px;border-radius:50%;object-fit:contain;}
.nav-links{display:flex;gap:1.1rem;flex-wrap:wrap;justify-content:flex-end;}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.88rem;font-weight:600;}
.nav-links a:hover,.nav-links a.on{color:var(--orange);}

.page-head{text-align:center;margin:1rem 0 2rem;max-width:620px;}
.page-head h1{font-size:1.9rem;font-weight:700;}
.page-head p{color:var(--muted);font-size:.95rem;margin-top:.5rem;line-height:1.6;}

.grid{max-width:880px;width:100%;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem;}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.25rem;display:flex;flex-direction:column;gap:.6rem;transition:border-color .2s,background .2s;}
.card:hover{border-color:rgba(249,115,22,.3);background:var(--card-hover);}

.btn{display:inline-block;width:100%;text-align:center;background:var(--orange);color:var(--bg);border:none;border-radius:8px;padding:.7rem 1rem;font-family:inherit;font-size:.92rem;font-weight:700;cursor:pointer;transition:opacity .2s;text-decoration:none;}
.btn:hover{opacity:.88;}
.btn[disabled],.btn.off{background:#1c2638;color:var(--faint);cursor:default;opacity:1;pointer-events:none;}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--muted);}

footer{margin-top:3rem;font-size:.72rem;color:var(--faint);letter-spacing:.1em;text-transform:uppercase;text-align:center;line-height:2;}
footer a{color:var(--faint);}

@media (max-width:640px){
  .page-head h1{font-size:1.5rem;}
  .nav-links{gap:.8rem;}
  .nav-brand span{display:none;}
}