*{box-sizing:border-box}html,body{margin:0;padding:0}
:root{
  --bg:#0f0f12;
  --panel:#17181c;
  --text:#e9eaee;
  --muted:#a3a6ad;
  --brand:#4b8cff;
  --border:#262830;
}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.55}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;background:linear-gradient(180deg,rgba(0,0,0,.45),transparent);backdrop-filter:saturate(140%) blur(6px);padding:16px 0;border-bottom:1px solid var(--border)}
.logo{margin:0;font-size:20px;letter-spacing:.5px}
nav a{color:var(--muted);margin-right:16px;text-decoration:none}
nav a:hover{color:var(--text)}
.btn{border:1px solid var(--border);background:var(--panel);color:var(--text);padding:8px 12px;border-radius:10px;cursor:pointer}
.btn.primary{background:var(--brand);border-color:transparent;color:white}
.hero{background:var(--panel);padding:32px;border:1px solid var(--border);border-radius:18px;margin:28px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin:24px 0 64px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:16px;overflow:hidden}
.card img{width:100%;display:block;aspect-ratio:3/2;object-fit:cover}
.card h3{margin:16px 16px 8px}
.card p{margin:0 16px 16px;color:var(--muted)}
.price-row{display:flex;align-items:center;justify-content:space-between;padding:16px;border-top:1px solid var(--border)}
.price{font-weight:700}
.site-footer{border-top:1px solid var(--border);padding:24px 0;margin-top:40px;color:var(--muted)}
/* Light theme */
.light{--bg:#ffffff;--panel:#f7f7f9;--text:#151922;--muted:#5f6470;--brand:#2f6bff;--border:#e6e6ee}