:root{
  --navy:#0B3A93;
  --navy-dark:#082a6e;
  --orange:#FA670D;
  --orange-dark:#d95709;
  --bg:#f4f6fb;
  --text:#1c1e26;
  --muted:#6b7280;
  --white:#ffffff;
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Segoe UI',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px;}

/* ---------- Top bar ---------- */
.topbar{background:var(--navy-dark);color:#fff;font-size:12px;padding:6px 0;text-align:center;}

/* ---------- Header ---------- */
header.site-header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.15);}
.header-inner{display:flex;align-items:center;gap:16px;padding:12px 16px;flex-wrap:wrap;}
.logo{font-size:22px;font-weight:800;color:#fff;letter-spacing:.5px;}
.logo span{color:var(--orange);}
.search-form{flex:1;min-width:200px;display:flex;}
.search-form input{flex:1;padding:10px 14px;border:none;border-radius:6px 0 0 6px;font-size:14px;}
.search-form button{background:var(--orange);border:none;color:#fff;padding:0 18px;border-radius:0 6px 6px 0;cursor:pointer;font-weight:600;}
.search-form button:hover{background:var(--orange-dark);}
.header-icons{display:flex;gap:18px;align-items:center;font-size:14px;}
.header-icons a{color:#fff;font-weight:600;}
.cart-badge{background:var(--orange);border-radius:50%;padding:2px 7px;font-size:11px;margin-left:4px;}

/* ---------- Category nav ---------- */
nav.category-nav{background:var(--navy-dark);}
nav.category-nav .container{display:flex;gap:22px;overflow-x:auto;padding:10px 16px;}
nav.category-nav a{color:#e8ecff;font-size:14px;white-space:nowrap;font-weight:500;}
nav.category-nav a:hover{color:var(--orange);}

/* ---------- Banners / hero ---------- */
.hero-banner{width:100%;border-radius:var(--radius);overflow:hidden;margin:16px 0;}
.hero-banner img{width:100%;object-fit:cover;}
.banner-strip{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0;}
.banner-strip img{border-radius:var(--radius);}

/* ---------- Section titles ---------- */
.section-title{display:flex;align-items:center;justify-content:space-between;margin:24px 0 12px;}
.section-title h2{font-size:20px;color:var(--navy);border-left:5px solid var(--orange);padding-left:10px;}
.section-title a{color:var(--orange);font-weight:600;font-size:14px;}

/* ---------- Product grid: 2 columns on mobile, scales up ---------- */
.product-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
}
@media(min-width:600px){ .product-grid{grid-template-columns:repeat(3,1fr);} }
@media(min-width:900px){ .product-grid{grid-template-columns:repeat(4,1fr);} }
@media(min-width:1200px){ .product-grid{grid-template-columns:repeat(5,1fr);} }

.product-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,.08);transition:.2s;position:relative;}
.product-card:hover{box-shadow:0 6px 18px rgba(0,0,0,.12);transform:translateY(-2px);}
.product-card .img-wrap{aspect-ratio:1/1;overflow:hidden;background:#f0f2f7;}
.product-card .img-wrap img{width:100%;height:100%;object-fit:cover;}
.product-card .badge{position:absolute;top:8px;left:8px;background:var(--orange);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:4px;}
.product-card .info{padding:10px;}
.product-card .title{font-size:13px;min-height:36px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.product-card .price-row{margin-top:6px;display:flex;align-items:baseline;gap:6px;}
.product-card .price{color:var(--orange);font-weight:800;font-size:15px;}
.product-card .old-price{color:var(--muted);text-decoration:line-through;font-size:12px;}
.product-card .add-btn{margin-top:8px;width:100%;background:var(--navy);color:#fff;border:none;padding:8px;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;}
.product-card .add-btn:hover{background:var(--navy-dark);}

/* ---------- Buttons ---------- */
.btn{display:inline-block;background:var(--orange);color:#fff;padding:10px 20px;border-radius:6px;font-weight:700;border:none;cursor:pointer;}
.btn:hover{background:var(--orange-dark);}
.btn-navy{background:var(--navy);}
.btn-navy:hover{background:var(--navy-dark);}

/* ---------- Footer ---------- */
footer{background:var(--navy);color:#dfe6ff;margin-top:40px;padding:30px 0 14px;}
footer h4{color:#fff;margin-bottom:10px;}
footer .foot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media(min-width:768px){footer .foot-grid{grid-template-columns:repeat(4,1fr);}}
footer .copyright{text-align:center;border-top:1px solid rgba(255,255,255,.15);margin-top:20px;padding-top:14px;font-size:12px;color:#aebbe8;}

/* ---------- Product detail page ---------- */
.pd-layout{display:grid;grid-template-columns:1fr;gap:24px;margin:20px 0;}
@media(min-width:800px){ .pd-layout{grid-template-columns:1fr 1fr;} }
.pd-gallery img{border-radius:var(--radius);width:100%;}
.pd-info h1{font-size:22px;color:var(--navy);margin-bottom:8px;}
.pd-info .sku{color:var(--muted);font-size:13px;margin-bottom:10px;}
.pd-info .price{font-size:26px;color:var(--orange);font-weight:800;}
.pd-info .old-price{font-size:16px;color:var(--muted);text-decoration:line-through;margin-left:8px;}

/* ---------- Forms (checkout, admin) ---------- */
.form-group{margin-bottom:14px;}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:4px;color:var(--navy);}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:10px;border:1px solid #d7dbe6;border-radius:6px;font-size:14px;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:2px solid var(--orange);}

/* ---------- Utility ---------- */
.text-center{text-align:center;}
.mt-20{margin-top:20px;}
.empty-state{text-align:center;padding:60px 20px;color:var(--muted);}