:root{--bg:#0B0B0B;--card:#151515;--txt:#fff;--mut:#bdbdbd;--neon:#39FF14}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--txt);font-family:Inter,system-ui,Arial,sans-serif;line-height:1.6}
a{color:var(--neon)}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.top{display:flex;justify-content:space-between;align-items:center;padding:18px 0}.logo{font-weight:800;color:#fff;text-decoration:none}.logo span{color:var(--neon)}
h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.1;margin:.4em 0}h2{font-size:1.8rem;margin-top:2.2em}.neon{color:var(--neon)}
.btn{display:inline-block;background:var(--neon);color:#000;font-weight:800;padding:14px 28px;border-radius:999px;text-decoration:none}.btn:hover{filter:brightness(1.1)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.card{background:var(--card);border:1px solid #222;border-radius:16px;padding:22px}.card .tag{font-size:.75rem;color:#000;background:var(--neon);padding:2px 10px;border-radius:999px}
.price{font-size:2.6rem;font-weight:800;color:var(--neon)}.old{text-decoration:line-through;color:var(--mut)}
.hero{padding:40px 0 20px}.mut{color:var(--mut)}pre{background:#111;border-left:3px solid var(--neon);padding:12px;white-space:pre-wrap;border-radius:8px;color:#b9ffb0}
details{background:var(--card);border-radius:12px;padding:14px 18px;margin:10px 0}summary{cursor:pointer;font-weight:700}
footer{margin:60px 0 30px;color:var(--mut);font-size:.85rem;border-top:1px solid #222;padding-top:20px}
.todo{outline:2px dashed #ff3b3b}