:root{
  --bg:#ffffff;
  --fg:#1f2937;
  --muted:#6b7280;
  --brand:#0ea5e9;
  --brand-600:#0284c7;
  --brand-100:#e5e7eb;
  --accent:#f3f4f6;
  --card:#ffffff;
  --border:#e5e7eb;
  --footer:#0b1220;
  --footer-fg:#cbd5e1;
  --radius:16px;
  --shadow:0 8px 24px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1200px,92%);margin-inline:auto}

/* Header */
header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);z-index:1000;backdrop-filter:saturate(180%) blur(8px)}
.topbar{display:flex;align-items:center;gap:16px;justify-content:space-between;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem}
.search{flex:1;display:flex;align-items:center;gap:8px;max-width:640px;margin-inline:24px}
.search input{flex:1;padding:12px 14px;border:1px solid var(--border);border-radius:999px;background:var(--accent)}
.search button{padding:10px 16px;border-radius:999px;border:0;background:var(--brand);color:#fff;cursor:pointer}
.auth a{margin-left:2px;color:var(--muted)}
.cart-btn{display:inline-flex;align-items:center;gap:6px;color:#fff;padding:8px 14px;border-radius:999px;font-size:.9rem;font-weight:500}
.cart-btn:hover{background:var(--brand-100)}

.top-navigation{border-top:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0}
.nav-links{display:flex;flex-wrap:wrap;gap:16px}
.nav-links a{padding:8px 12px;border-radius:999px}
.nav-links a:hover{background:var(--accent)}
.nav-toggle{display:none}

/* Hero */
.hero{position:relative;width:100%;max-width:1200px;margin:28px auto;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.hero img{width:100%;height:auto;display:block}
.hero .overlay{position:absolute;bottom:0;left:0;right:0;padding:28px;background:rgba(0,0,0,0.4);color:#fff}
.hero h1{margin:0 0 8px}
.hero p{margin:0 0 16px}
.hero .cta{display:flex;gap:12px}
.btn{display:inline-block;padding:12px 16px;border-radius:10px;border:1px solid var(--border);background:#fff;cursor:pointer}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.offer{color:#000;}

/* Sections */
section{margin:40px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:16px}
.section-head h2{margin:0;font-size:1.25rem}
.section-head a{color:var(--brand)}

.grid{display:grid;gap:16px}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.grid.cols-6{grid-template-columns:repeat(6,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}

.card{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card .content{padding:12px}
.price{font-weight:700}
.muted{color:var(--muted)}
.card .actions{display:flex;gap:8px;padding:12px}
.add-to-cart{flex:1;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:10px;cursor:pointer}
.add-to-cart:hover{background:var(--brand-600)}

/* Category tile */
.cat{display:block;border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.cat .title{padding:10px}

/* Brand tile */
.brand{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px;border:1px solid var(--border);border-radius:14px;background:#fff;box-shadow:var(--shadow)}
.brand span{margin-top:8px;color:var(--muted);font-size:.95rem}

/* Blog */
.blog-card .meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.9rem}
.blog-card .read{margin-top:8px;color:#fff;background:var(--fg);display:inline-block;padding:8px 12px;border-radius:8px}

/* Footer */
footer{background:var(--footer);color:var(--footer-fg);margin-top:56px}
.footer-top{padding:32px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
.footer-grid h4{margin:0 0 10px;color:#e2e8f0}
.foot-nav a{display:block;color:var(--footer-fg);opacity:.9;padding:4px 0}
.contact p{margin:6px 0}
.social{display:flex;gap:10px;margin-top:10px}
.social a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:#111827;color:#e5e7eb}
.footer-bottom {display: flex;justify-content: space-between;align-items: center;padding:16px 0;color:#94a3b8}
.footer-bottom a {color: inherit;text-decoration: none;}


/* Responsive */
@media (max-width: 980px){
  .grid.cols-6{grid-template-columns:repeat(4,1fr)}
  .grid.cols-4{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero{grid-template-columns:1fr;}
}
@media (max-width: 720px){
  .nav-inner{flex-wrap:wrap}
  .nav-links{display:none;width:100%}
  .nav-links.show{display:flex}
  .nav-toggle{display:inline-flex;border:1px solid var(--border);border-radius:8px;padding:8px 10px;cursor:pointer}
  .search{margin-inline:8px}
  .grid.cols-6{grid-template-columns:repeat(3,1fr)}
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}

@media (max-width: 600px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}