:root {
  --primary: #e0111a;
  --primary-dark: #b80d15;
  --dark: #1a1a1a;
  --gray: #666;
  --light-gray: #f4f4f4;
  --border: #e5e5e5;
  --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--dark);
  background: #fff;
  line-height: 1.5;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Top strip ---------- */
.top-strip {
  background: var(--dark);
  color: #fff;
  text-align: center;
  padding: 8px;
  font-size: 13px;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--primary);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  color: #fff;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: .5px;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.logo img { height: 36px; }
.main-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.main-nav a {
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  opacity: .9;
}
.main-nav a:hover, .main-nav a.active { opacity: 1; text-decoration: underline; }
.header-icons { display: flex; gap: 18px; align-items: center; }
.header-icons a { color: #fff; font-size: 19px; position: relative; }
.cart-badge {
  position: absolute; top: -8px; right: -10px;
  background: #fff; color: var(--primary);
  font-size: 11px; font-weight: 700;
  border-radius: 50%; width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
}
.mobile-toggle { display: none; background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; }

/* ---------- Hero / Banner slider ---------- */
.hero-slider { position: relative; overflow: hidden; background: var(--dark); }
.hero-slide { display: none; position: relative; }
.hero-slide.active { display: block; }
.hero-slide img { width: 100%; max-height: 520px; object-fit: cover; }
.hero-badge {
  position: absolute; top: 20px; right: 30px;
  background: rgba(0,0,0,.6); color: #fff;
  padding: 10px 16px; border-radius: 8px; text-align: center; font-weight: 700;
}
.slider-dots { text-align: center; padding: 10px 0; background: #fafafa; }
.slider-dots button {
  width: 9px; height: 9px; border-radius: 50%; border: none;
  background: #ccc; margin: 0 4px; cursor: pointer;
}
.slider-dots button.active { background: var(--primary); }

/* ---------- Category circles ---------- */
.cat-circles {
  display: flex; gap: 30px; justify-content: center; flex-wrap: wrap;
  padding: 30px 20px;
}
.cat-circle { text-align: center; width: 120px; }
.cat-circle .circle-img {
  width: 110px; height: 110px; border-radius: 50%; overflow: hidden;
  border: 3px solid var(--primary); margin: 0 auto 10px;
}
.cat-circle .circle-img img { width: 100%; height: 100%; object-fit: cover; }
.cat-circle span { font-weight: 600; font-size: 14px; }

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--primary); color: #fff;
  display: flex; flex-wrap: wrap; justify-content: space-around;
  padding: 14px 10px; font-weight: 700; font-size: 14px; gap: 10px;
}

/* ---------- Section heading ---------- */
.section-title {
  text-align: center; margin: 40px 0 24px;
  font-size: 26px; font-weight: 800;
}

/* ---------- Product grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  padding: 0 0 40px;
}
.product-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  transition: box-shadow .2s;
  background: #fff;
}
.product-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,.08); }
.sale-badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--primary); color: #fff;
  font-size: 11px; font-weight: 700;
  padding: 4px 10px; border-radius: 4px; z-index: 2;
}
.product-card .card-img { aspect-ratio: 1/1; overflow: hidden; }
.product-card .card-img img { width: 100%; height: 100%; object-fit: cover; }
.product-card .card-body { padding: 14px; }
.product-card h3 {
  font-size: 14.5px; font-weight: 600; margin-bottom: 6px;
  min-height: 40px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.stars { color: #f5a623; font-size: 13px; margin-bottom: 8px; }
.price-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 10px; }
.price-tag {
  background: var(--dark); color: #fff; font-weight: 700; font-size: 14px;
  padding: 8px 12px; border-radius: 6px;
}
.old-price { text-decoration: line-through; color: #999; font-size: 12px; margin-left: 6px; }
.btn {
  display: inline-block; border: none; cursor: pointer;
  padding: 10px 18px; border-radius: 6px; font-weight: 700; font-size: 14px;
  text-align: center;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: #fff; color: var(--primary); border: 2px solid var(--primary); }
.btn-block { display: block; width: 100%; }
.btn-dark { background: var(--dark); color: #fff; }

/* ---------- Product detail page ---------- */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; padding: 40px 0; }
.gallery-main { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 12px; aspect-ratio: 1/1; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 10px; }
.gallery-thumbs img {
  width: 70px; height: 70px; object-fit: cover; border-radius: 6px;
  border: 2px solid var(--border); cursor: pointer;
}
.gallery-thumbs img.active { border-color: var(--primary); }
.product-info h1 { font-size: 28px; margin-bottom: 10px; }
.rating-line { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; color: var(--gray); font-size: 14px; }
.price-block { font-size: 32px; color: var(--primary); font-weight: 800; margin: 16px 0; }
.price-block .old-price { font-size: 18px; }
.stock-note {
  background: #fff3e0; border: 1px solid #ffcc80; color: #b26a00;
  padding: 12px 16px; border-radius: 8px; margin: 18px 0; font-size: 14px;
}
.variant-group { margin-bottom: 18px; }
.variant-group label.group-label { font-weight: 700; display: block; margin-bottom: 8px; }
.variant-options { display: flex; flex-wrap: wrap; gap: 8px; }
.variant-options label {
  border: 2px solid var(--border); border-radius: 6px; padding: 8px 16px;
  cursor: pointer; font-size: 14px; font-weight: 600;
}
.variant-options input { display: none; }
.variant-options input:checked + span { color: var(--primary); }
.variant-options label:has(input:checked) { border-color: var(--primary); background: #fff5f5; }
.qty-selector { display: flex; align-items: center; gap: 12px; margin: 20px 0; }
.qty-selector button {
  width: 36px; height: 36px; border: 1px solid var(--border); background: #fff;
  font-size: 18px; cursor: pointer; border-radius: 6px;
}
.qty-selector input {
  width: 50px; text-align: center; border: 1px solid var(--border);
  height: 36px; border-radius: 6px;
}
.action-btns { display: flex; gap: 14px; margin-top: 20px; }
.action-btns .btn { flex: 1; padding: 14px; font-size: 15px; }
.product-desc { margin-top: 30px; color: #444; line-height: 1.8; }

/* ---------- Cart page ---------- */
.cart-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.cart-table th, .cart-table td { padding: 14px; border-bottom: 1px solid var(--border); text-align: left; font-size: 14px; }
.cart-item-info { display: flex; gap: 12px; align-items: center; }
.cart-item-info img { width: 60px; height: 60px; object-fit: cover; border-radius: 6px; }
.cart-summary {
  max-width: 380px; margin-left: auto; background: var(--light-gray);
  padding: 20px; border-radius: var(--radius);
}
.summary-row { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 15px; }
.summary-row.total { font-weight: 800; font-size: 18px; border-top: 1px solid #ddd; padding-top: 10px; margin-top: 10px; }
.remove-link { color: var(--primary); font-size: 13px; font-weight: 600; }

/* ---------- Checkout ---------- */
.checkout-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; padding: 30px 0 60px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 14px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
}
.order-summary-box { background: var(--light-gray); border-radius: var(--radius); padding: 20px; align-self: start; }
.order-summary-box .item-row { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 10px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark); color: #ccc; padding: 40px 0 20px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-bottom: 30px; }
.footer-grid h4 { color: #fff; margin-bottom: 14px; font-size: 15px; }
.footer-grid a { display: block; color: #ccc; font-size: 14px; margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid #333; padding-top: 18px; text-align: center; font-size: 13px; color: #888; }

/* ---------- Alerts / Empty states ---------- */
.alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 20px; font-size: 14px; }
.alert-success { background: #e6f7ec; color: #1a7f37; border: 1px solid #b7ebc6; }
.alert-error { background: #fdecea; color: #c62828; border: 1px solid #f5c6cb; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--gray); }

/* ---------- Breadcrumb ---------- */
.breadcrumb { padding: 16px 0; font-size: 13px; color: var(--gray); }
.breadcrumb a { color: var(--primary); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail { grid-template-columns: 1fr; }
  .checkout-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--primary); flex-direction: column; padding: 16px; gap: 14px;
  }
  .main-nav.open { display: flex; }
  .mobile-toggle { display: block; }
}
@media (max-width: 560px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .cat-circles { gap: 16px; }
  .cat-circle { width: 90px; }
  .cat-circle .circle-img { width: 80px; height: 80px; }
  .footer-grid { grid-template-columns: 1fr; }
}