:root{
  --bg:#0b0b0c; --panel:#121214; --text:#ececec; --muted:#b5b5b7; --link:#7aa2ff; --brand:#6ee7b7; --accent:#a78bfa;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:linear-gradient(180deg,#0b0b0c,#0f0f12 35%,#141419); color:var(--text); line-height:1.6;
}
.container{max-width:980px;margin:0 auto;padding:24px}
.site-header{
  position:sticky; top:0; backdrop-filter:saturate(120%) blur(8px);
  background:rgba(10,10,12,.75); border-bottom:1px solid #1f1f25; z-index:50;
}
.header-inner{display:flex; align-items:center; justify-content:space-between; gap:16px}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--text); font-weight:700}
.logo{height:28px; width:28px}
.nav a{color:var(--muted); text-decoration:none; margin-left:18px}
.nav a:hover{color:var(--text)}
.hero{padding:40px 0 16px}
.hero.small{padding-bottom:0}
h1{font-size:clamp(28px,4vw,44px); line-height:1.2; margin:0 0 10px}
.lead{color:var(--muted); font-size:clamp(16px,2.5vw,18px); max-width:58ch}
.cta-row{display:flex; gap:12px; flex-wrap:wrap; margin-top:18px}
.btn{display:inline-flex; align-items:center; justify-content:center; padding:10px 16px; border-radius:12px; border:1px solid #2a2a30; background:#1a1a1f; color:var(--text); text-decoration:none; cursor:pointer}
.btn-primary{background:linear-gradient(180deg,var(--accent),#7c6bf2); border:none; color:#0b0b0c; font-weight:700}
.btn:focus{outline:2px solid var(--brand); outline-offset:2px}
.card{background:var(--panel); border:1px solid #1f1f25; border-radius:16px; padding:18px 18px 8px; margin:18px 0}
.checklist{padding-left:22px}
.signup{display:flex; gap:10px; flex-wrap:wrap; margin-top:10px}
.signup input{flex:1; min-width:220px; padding:10px 12px; border-radius:12px; border:1px solid #2b2b31; background:#0f0f14; color:var(--text)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.site-footer{margin-top:28px; padding-top:16px; border-top:1px solid #1f1f25; background:rgba(10,10,12,.55)}
.footer-grid{display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:20px}
.brand-mini{display:flex; align-items:center; gap:10px; margin-bottom:8px}
.muted{color:var(--muted)}
.small{font-size:14px}
.copyright{margin-top:8px; color:#8a8a91; font-size:13px}
.store-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:16px; margin:6px 0 20px}
.product{background:var(--panel); border:1px solid #24242a; border-radius:16px; padding:12px}
.product h3{margin:6px 0 6px; font-size:18px}
.product p{margin:0 0 8px}
.price{font-weight:700}
.product .btn{width:100%}
.code-details pre{background:#0f0f14; padding:12px; border-radius:12px; overflow:auto; border:1px solid #23232a}
@media (max-width:720px){
  .footer-grid{grid-template-columns:1fr}
}