:root{
  --bg: #141414;
  --fg: #f5f5f5;
  --primary: #e50914;
  --muted: #b3b3b3;
  --card: #1f1f1f;
  --ring: rgba(229,9,20,.4);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--fg)}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
header{position:sticky;top:0;background:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.6));backdrop-filter:saturate(120%) blur(6px);z-index:40;border-bottom:1px solid rgba(255,255,255,.06)}
.topbar{display:flex;align-items:center;gap:16px;padding:12px 0}
.brand{font-weight:800;letter-spacing:.2px}
.brand .name{font-size:22px;color:#fff}
.brand .pill{background:var(--primary);padding:2px 8px;border-radius:999px;font-size:12px;margin-left:6px}
.cta{margin-left:auto;display:flex;gap:10px}
.btn{background:var(--primary);color:#fff;border:none;border-radius:10px;padding:12px 18px;font-weight:700;cursor:pointer;box-shadow:0 8px 20px var(--ring);transition:.2s}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.2)}
.btn.sm{padding:8px 12px;border-radius:8px;font-weight:600}
.btn.green{background:#25d366}
.btn.blue{background:#0088cc}

.hero{position:relative;padding:60px 0 24px;background:radial-gradient(1000px 400px at 10% -10%, rgba(229,9,20,.25), transparent), radial-gradient(800px 300px at 80% 0%, rgba(229,9,20,.18), transparent)}
.hero h1{font-size:38px;line-height:1.15;margin:12px 0}
.hero p{color:var(--muted);font-size:16px}
.hero .features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}
.hero .feature{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.06);padding:10px 12px;border-radius:12px}
.adbox{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));border:1px dashed rgba(255,255,255,.15);border-radius:12px;margin:16px 0;padding:6px}

.logos{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:16px 0}
.logos .logo{background:var(--card);border-radius:12px;height:56px;display:flex;align-items:center;justify-content:center;opacity:.85}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:18px}
.card h3{margin:0 0 8px}
.muted{color:var(--muted)}

.pricing{padding:36px 0}
.pricing-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.plan{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:20px;display:flex;flex-direction:column;gap:10px}
.plan.popular{outline:2px solid var(--primary);box-shadow:0 0 0 6px rgba(229,9,20,.15)}
.plan .badge{position:absolute;top:12px;right:12px;background:var(--primary);padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}
.price{font-size:40px;font-weight:800}
.plan ul{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}

details{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.07);border-radius:12px;padding:12px 14px}
details summary{cursor:pointer;font-weight:700}

footer{margin-top:40px;border-top:1px solid rgba(255,255,255,.06);padding:24px 0;color:var(--muted)}

.modal{position:fixed;inset:0;background:rgba(0,0,0,.7);display:none;align-items:center;justify-content:center;z-index:100}
.modal.open{display:flex}
.modal .dialog{background:var(--card);max-width:720px;width:92%;border-radius:16px;border:1px solid rgba(255,255,255,.08);box-shadow:0 20px 80px rgba(0,0,0,.5)}
.modal header{position:relative;background:transparent;border-bottom:1px solid rgba(255,255,255,.08)}
.modal .head{display:flex;gap:10px;align-items:center;padding:14px 16px}
.modal .close{margin-left:auto;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff}
.modal .body{padding:16px}
.tabs{display:flex;gap:6px;margin-bottom:12px}
.tab{background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;padding:8px 12px;border-radius:8px;cursor:pointer}
.tab.active{background:var(--primary);border-color:var(--primary)}
.tabpane{display:none}
.tabpane.active{display:block}
.paybox{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:14px}
.paybox .big{font-size:26px;font-weight:800;margin:6px 0}
.copybox{display:flex;gap:8px;align-items:center;background:#fff;color:#000;border-radius:8px;padding:8px 10px}
.copybox code{overflow:auto}
.alert{background:#f5c518;color:#222;border-radius:8px;padding:8px 10px;margin:10px 0;font-weight:600}

.layout{display:grid;grid-template-columns:1fr 300px;gap:18px}
@media (max-width: 1024px){.pricing-grid{grid-template-columns:repeat(2,minmax(0,1fr))} .layout{grid-template-columns:1fr} .logos{grid-template-columns:repeat(3,1fr)} }
@media (max-width: 640px){.hero h1{font-size:30px} .hero .features{grid-template-columns:1fr} .pricing-grid{grid-template-columns:1fr} .logos{grid-template-columns:repeat(2,1fr)} }