:root{--accent:#0ea5a4;--bg:#f7fafc;--card:#ffffff;--text:#0f172a}
*{box-sizing:border-box}
html,body{height:100%}
body{font-family:Inter,system-ui,Segoe UI,Roboto,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);margin:0;line-height:1.45;-webkit-font-smoothing:antialiased}
body.dark{background:#0b1220;color:#e6eef6}
header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,0.6);backdrop-filter:blur(6px);border-bottom:1px solid rgba(2,6,23,0.04)}
body.dark header{background:rgba(7,12,20,0.6)}
.nav{max-width:1100px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{font-weight:700;display:flex;align-items:center;gap:10px}
.brand img{height:36px}
.controls{display:flex;gap:8px;align-items:center}
.btn{background:var(--card);border:1px solid #e6e7e9;padding:8px 12px;border-radius:10px;cursor:pointer}
.btn.ghost{background:transparent}
.btn.primary{background:var(--accent);color:white;border:none}
.mobile-menu{display:none}
.hero{max-width:1100px;margin:18px auto 6px;padding:0 16px;text-align:center}
.hero h1{font-size:28px;margin:6px 0}
.hero p{color:#64748b;margin:0 auto;max-width:780px}
.search-row{max-width:820px;margin:18px auto;display:flex;gap:8px;padding:0 16px}
.search-row input{flex:1;padding:12px;border-radius:12px;border:1px solid #e6e7e9}
.search-row button{padding:12px 14px;border-radius:12px;border:1px solid #e6e7e9;background:var(--card);cursor:pointer}
.section{max-width:1100px;margin:26px auto;padding:0 16px}
.section h2{margin:0 0 12px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.card{background:var(--card);padding:14px;border-radius:12px;box-shadow:0 6px 18px rgba(2,6,23,0.06);display:flex;flex-direction:column;gap:10px;transform:translateY(0);transition:transform .18s,box-shadow .18s}
.card:active{transform:scale(.997)}
.card h3{margin:0;font-size:16px}
.price{font-weight:600}
.muted{color:#6b7280;font-size:13px}
.footer{max-width:1100px;margin:36px auto;padding:0 16px;color:#64748b;text-align:center}
.modal-backdrop{position:fixed;inset:0;background:rgba(2,6,23,0.55);display:none;align-items:center;justify-content:center;padding:16px}
.modal-backdrop.show{display:flex}
.modal{background:var(--card);padding:18px;border-radius:12px;max-width:520px;width:100%;box-shadow:0 10px 40px rgba(2,6,23,0.4)}
.modal input,.modal textarea{width:100%;padding:10px;border-radius:8px;border:1px solid #e6e7e9;margin-bottom:10px}
@media (max-width:780px){
  .hero h1{font-size:22px}
  .mobile-menu{display:block}
  .controls .desktop-only{display:none}
}