:root {
  --bg:#f7f8fa;
  --surface:#ffffff;
  --text:#15171a;
  --muted:#667085;
  --line:#e5e7eb;
  --brand:#111827;
  --accent:#2563eb;
  --success:#027a48;
  --warn:#b54708;
  --radius:18px;
  --shadow:0 8px 30px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
button,input,select{font:inherit}
.container{width:min(1180px,calc(100% - 32px));margin:auto}
.topbar{background:#0f172a;color:#fff;font-size:14px;padding:8px 0;text-align:center}
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-row{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;padding:16px 0}
.logo{font-size:26px;font-weight:800;letter-spacing:-1px}
.logo span{color:var(--accent)}
.searchbox{display:flex;border:1px solid #cbd5e1;border-radius:999px;overflow:hidden;background:#fff}
.searchbox input{border:0;outline:0;flex:1;padding:13px 18px}
.searchbox button{border:0;background:var(--brand);color:#fff;padding:0 22px;cursor:pointer}
.nav-actions{display:flex;gap:14px;align-items:center;font-size:14px}
.city-pill,.pill{background:#eef2ff;padding:9px 13px;border-radius:999px}
.hero{padding:54px 0 38px;background:linear-gradient(120deg,#eef2ff,#ffffff 55%,#ecfeff)}
.hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center}
.hero h1{font-size:54px;line-height:1.02;letter-spacing:-2.2px;margin:0 0 18px}
.hero p{font-size:20px;color:#475467;max-width:700px}
.hero-card{background:#fff;border-radius:26px;padding:26px;box-shadow:var(--shadow)}
.hero-card strong{font-size:26px}
.cta-row{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.btn{border:0;border-radius:12px;padding:12px 18px;font-weight:700;cursor:pointer;display:inline-block}
.btn-primary{background:var(--brand);color:#fff}
.btn-light{background:#fff;border:1px solid var(--line)}
.section{padding:34px 0}
.section-title{display:flex;justify-content:space-between;align-items:end;margin-bottom:18px}
.section-title h2{margin:0;font-size:30px;letter-spacing:-.8px}
.section-title p{margin:4px 0 0;color:var(--muted)}
.category-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.category{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;text-align:center;min-height:105px;display:grid;place-items:center;font-weight:700}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;position:relative}
.product-img{height:180px;background:linear-gradient(145deg,#f1f5f9,#e2e8f0);display:grid;place-items:center;font-size:58px}
.product-body{padding:16px}
.product-title{font-weight:700;line-height:1.3;min-height:42px}
.merchant{font-size:13px;color:var(--muted);margin-top:6px}
.price{font-size:24px;font-weight:800;margin:10px 0 4px}
.eta{font-size:13px;color:var(--success);font-weight:700}
.sponsored{position:absolute;top:10px;left:10px;background:#fff;border:1px solid var(--line);font-size:11px;padding:5px 7px;border-radius:8px}
.card-actions{display:flex;gap:8px;margin-top:14px}
.card-actions button{flex:1}
.ai-panel{background:#111827;color:#fff;border-radius:24px;padding:30px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.ai-panel h3{font-size:30px;margin:0 0 8px}
.ai-panel p{color:#cbd5e1;margin:0}
.deals{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.deal{padding:26px;border-radius:20px;background:#fff;border:1px solid var(--line)}
footer{background:#0f172a;color:#cbd5e1;margin-top:50px;padding:38px 0}
.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:28px}
.footer-grid strong{color:#fff}
.page-title{padding:32px 0 20px}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.filter{background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px 12px}
.product-layout{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.product-gallery{background:#fff;border-radius:22px;min-height:460px;display:grid;place-items:center;font-size:110px}
.offer{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;margin:10px 0;display:grid;grid-template-columns:1fr auto;gap:10px}
.cart-layout{display:grid;grid-template-columns:1fr 360px;gap:26px}
.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}
.cart-item{display:grid;grid-template-columns:70px 1fr auto;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.cart-thumb{width:70px;height:70px;border-radius:12px;background:#f1f5f9;display:grid;place-items:center;font-size:30px}
.row{display:flex;justify-content:space-between;gap:15px;margin:11px 0}
.total{font-size:22px;font-weight:800;border-top:1px solid var(--line);padding-top:14px}
.timeline{border-left:3px solid #cbd5e1;margin-left:9px;padding-left:22px}
.timeline-item{position:relative;padding:0 0 22px}
.timeline-item:before{content:"";position:absolute;left:-30px;top:3px;width:12px;height:12px;border-radius:50%;background:#2563eb}
.notice{background:#eff6ff;border:1px solid #bfdbfe;padding:14px;border-radius:12px;color:#1e40af}
@media(max-width:900px){
 .header-row{grid-template-columns:1fr auto}.searchbox{grid-column:1/-1;grid-row:2}.nav-actions .hide-mobile{display:none}
 .hero-grid,.product-layout,.cart-layout{grid-template-columns:1fr}
 .hero h1{font-size:40px}
 .category-grid{grid-template-columns:repeat(3,1fr)}
 .product-grid{grid-template-columns:repeat(2,1fr)}
 .deals{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
 .container{width:min(100% - 20px,1180px)}
 .hero{padding-top:30px}.hero h1{font-size:34px}
 .category-grid{grid-template-columns:repeat(2,1fr)}
 .product-grid{grid-template-columns:1fr}
 .ai-panel{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
}