:root{--bg-start:#0b1220;--bg-end:#12152a;--card:#101728;--text:#e5e7eb;--muted:#9aa4b2;--brand1:#3b82f6;--brand2:#a855f7;--border:rgba(255,255,255,.08)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Helvetica Neue",Arial,"Noto Sans",sans-serif;background:radial-gradient(1200px 800px at 10% -20%,#1e2750 0%,transparent 60%),linear-gradient(135deg,var(--bg-start),var(--bg-end));color:var(--text);overflow-x:hidden;transition:background .25s,color .25s}
.container{max-width:1120px;margin:0 auto;padding:0 1rem}
.navbar{position:fixed;inset:0 0 auto 0;z-index:60;backdrop-filter:blur(12px);background:rgba(10,12,23,.55);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0}
.brand{font-weight:800;font-size:1.5rem;background:linear-gradient(90deg,var(--brand1),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent;text-decoration:none}
.nav-right{display:flex;align-items:center;gap:.5rem}
.nav-links{display:flex;gap:.4rem;align-items:center}
.nav-links a{color:#d4d7dd;text-decoration:none;font-weight:600;padding:.55rem .8rem;border-radius:999px}
.nav-links a:hover{background:rgba(255,255,255,.06)}
.hamburger{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:rgba(255,255,255,.05);color:var(--text);font-size:22px;align-items:center;justify-content:center}
@media(max-width:900px){
  .nav-links{position:fixed;inset:64px 12px auto 12px;background:linear-gradient(180deg,rgba(20,28,46,.97),rgba(14,19,35,.97));border:1px solid var(--border);border-radius:16px;padding:10px;display:none;flex-direction:column;gap:6px}
  .menu-open .nav-links{display:flex}
  .hamburger{display:inline-flex}
}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:800;text-decoration:none;transition:.25s;white-space:nowrap}
.btn-primary{background:linear-gradient(90deg,var(--brand1),var(--brand2));color:#fff;padding:.7rem 1rem}
.btn-outline{border:2px solid var(--brand1);color:#fff;padding:.65rem .95rem}
.btn-ghost{border:2px solid #22c55e;color:#fff;padding:.65rem .95rem}
.btn:hover{transform:translateY(-1px)}
.hero{min-height:92vh;display:grid;place-items:center;padding-top:84px;text-align:center}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.1;margin:0 0 1rem}
.hero p{max-width:780px;margin:0 auto 1.25rem;color:#c6cbd4;font-size:clamp(1rem,2.2vw,1.15rem)}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center;margin-top:.5rem}
.section{padding:4rem 0}
.section-dark{background:rgba(255,255,255,.02)}
.section h2{font-size:clamp(1.6rem,3.5vw,2.2rem);text-align:center;margin:0 0 1.25rem;background:linear-gradient(90deg,var(--brand1),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.h2{color:var(--brand1);font-size:1.25rem;font-weight:800;margin:0 0 .6rem}
.page-title{font-size:clamp(1.8rem,4vw,2.4rem);text-align:center;margin:0 0 1.25rem;background:linear-gradient(90deg,var(--brand1),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.grid{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:14px}
@media(min-width:640px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.card{background:linear-gradient(180deg,rgba(20,28,46,.9),rgba(14,19,35,.9));border:1px solid var(--border);border-radius:18px;padding:16px;transition:transform .25s,box-shadow .25s,background .25s;display:flex;gap:12px}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(0,0,0,.35)}
.cmd{font-weight:900;color:var(--brand1)}
.desc{color:#b9c0cc}
.badge{background:rgba(59,130,246,.15);color:#b9d4ff;border:1px solid rgba(59,130,246,.35);padding:.18rem .5rem;border-radius:999px;font-size:.75rem;font-weight:800;display:inline-block}
.copy{margin-left:auto}
.copy button{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#e5e7eb;border-radius:10px;padding:.45rem .6rem;font-weight:800;cursor:pointer}
.copy button:hover{background:rgba(255,255,255,.12)}
.footer{padding:2rem 0;text-align:center;background:#0a0e1a;border-top:1px solid var(--border);color:#a9b0bb}
.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:.8rem;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);padding:.1rem .35rem;border-radius:6px;color:#e5e7eb}
.reveal{opacity:0;transform:translateY(18px);transition:.5s}
.reveal.in{opacity:1;transform:none}
.loader{width:44px;height:44px;border-radius:999px;border:3px solid rgba(255,255,255,.2);border-top-color:#8b5cf6;margin:18px auto 6px;animation:spin 1s linear infinite;display:none}
@keyframes spin{to{transform:rotate(360deg)}}
.faq{max-width:900px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:12px;margin-bottom:10px;overflow:hidden;background:rgba(255,255,255,.04)}
.faq-summary{display:flex;align-items:center;gap:10px;padding:14px;cursor:pointer;font-weight:800}
.faq-content{max-height:0;overflow:hidden;padding:0 14px;transition:max-height .35s ease,padding .35s ease}
.faq-item.open .faq-content{padding:10px 14px 16px}
.link{color:#60a5fa;text-decoration:underline}
.tabs{display:flex;gap:.4rem;justify-content:center;flex-wrap:wrap;margin:1rem 0 1.25rem}
.tab{background:#1a2236;color:#cfd5df;border:1px solid var(--border);padding:.55rem .9rem;border-radius:999px;font-weight:700;cursor:pointer;transition:.2s}
.tab[aria-selected="true"]{background:linear-gradient(90deg,var(--brand1),var(--brand2));color:#fff;box-shadow:0 6px 18px rgba(88,101,242,.35)}
.toolbar{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center;margin-bottom:1.25rem}
.search{flex:1 1 360px;max-width:620px;display:flex;align-items:center;background:#0f1630;border:1px solid var(--border);border-radius:14px;padding:.6rem .8rem}
.search input{all:unset;color:#e7ebf1;width:100%;font-size:1rem}
body.light-mode{--bg-start:#f7f8fc;--bg-end:#eaeef6;--card:#ffffff;--text:#0f172a;--muted:#475569;--border:rgba(2,6,23,.08);background:linear-gradient(135deg,var(--bg-start),var(--bg-end));color:var(--text)}
body.light-mode .navbar{background:rgba(255,255,255,.75);border-bottom:1px solid var(--border)}
body.light-mode .nav-links a{color:#334155}
body.light-mode .nav-links a:hover{background:rgba(2,6,23,.05)}
body.light-mode .section-dark{background:rgba(2,6,23,.05)}
body.light-mode .card{background:#fff;border-color:var(--border);box-shadow:0 2px 8px rgba(15,23,42,.06)}
body.light-mode .desc{color:#475569}
body.light-mode .footer{background:#ffffff;border-top:1px solid var(--border);color:#334155}
.theme-toggle{position:fixed;right:18px;bottom:18px;z-index:70;width:48px;height:48px;border-radius:999px;border:1px solid var(--border);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));backdrop-filter:blur(10px);display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:var(--text);cursor:pointer;transition:.25s}
.theme-toggle:hover{transform:translateY(-2px)}
.support-btn{position:fixed;left:18px;bottom:18px;z-index:70;width:48px;height:48px;border-radius:999px;border:1px solid var(--border);background:linear-gradient(180deg,rgba(88,101,242,.25),rgba(88,101,242,.15));backdrop-filter:blur(10px);display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:#ffffff;text-decoration:none;transition:.25s;box-shadow:0 6px 18px rgba(88,101,242,.25)}
.support-btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(88,101,242,.35)}

.badge-ico{
  --s:32px;
  --g1:#3b82f6;
  --g2:#a855f7;
  --ico:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="%23000" d="M11 21l1-7H7l6-11-1 7h5L11 21z"/></svg>');
  width:var(--s);height:var(--s);
  display:inline-block;vertical-align:middle;
  border-radius:12px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02)),
    radial-gradient(60% 60% at 50% 40%,rgba(59,130,246,.25),rgba(168,85,247,.12));
  border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 8px 20px rgba(0,0,0,.25);
  position:relative;
  transition:transform .2s,box-shadow .2s;
}
.badge-ico::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,var(--g1),var(--g2));
  -webkit-mask-image:var(--ico);mask-image:var(--ico);
  -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
  -webkit-mask-size:60% 60%;mask-size:60% 60%;
  -webkit-mask-position:center;mask-position:center;
}
.badge-ico:hover{transform:translateY(-1px);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 12px 26px rgba(0,0,0,.32)}
.badge-ico:active{transform:translateY(0)}
.badge-ico[data-size="sm"]{--s:24px}
.badge-ico[data-size="lg"]{--s:42px}

/* icon variants */
.badge-ico[data-ico="speed"]{
  --ico:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="%23000" d="M11 21l1-7H7l6-11-1 7h5L11 21z"/></svg>');
}
.badge-ico[data-ico="shield"]{
  --ico:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="%23000" d="M12 2l8 3v6c0 5-3.4 9.7-8 11-4.6-1.3-8-6-8-11V5l8-3z"/></svg>');
}
.badge-ico[data-ico="fun"]{
  --ico:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="%23000" d="M6 9a6 6 0 006 6 6 6 0 006-6h2a8 8 0 11-8-8v2A6 6 0 006 9zm3 1h2v2H9v-2zm6 0h-2v2h2v-2z"/></svg>');
}

/* light mode */
body.light-mode .badge-ico{
  background:
    linear-gradient(180deg,#fff,rgba(255,255,255,.9)),
    radial-gradient(60% 60% at 50% 40%,rgba(59,130,246,.12),rgba(168,85,247,.08));
  border:1px solid rgba(2,6,23,.08);
  box-shadow:0 4px 12px rgba(15,23,42,.08),inset 0 1px 0 rgba(255,255,255,.9);
}
.icon {
  width: 100px;
  height: 32px;
  stroke: currentColor;
  color: #3b82f6;
  margin-bottom: 8px;
}
body.light-mode .icon {
  color: #3b82f6;
}