:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #d8e1ec;
  --brand: #1e40af;
  --brand-soft: #e9efff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.container {
  width: min(1080px, 92%);
  margin: 0 auto;
}

.topbar {
  background: #f8fbff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
}

.brand-logo {
  width: 34px;
  height: 34px;
  display: block;
}

.brand-text {
  line-height: 1;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.nav a {
  text-decoration: none;
  color: #334155;
  font-size: 14px;
}

.hero {
  margin: 20px 0 14px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
}

.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #cbd6ff;
  background: var(--brand-soft);
  color: #1d4ed8;
  font-size: 12px;
  margin-bottom: 8px;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 3.8vw, 40px);
  line-height: 1.15;
}

h2 {
  margin: 0 0 8px;
  font-size: 24px;
}

h3 {
  margin: 0 0 7px;
  font-size: 17px;
}

p,
li {
  color: var(--muted);
  line-height: 1.62;
}

.products {
  margin: 14px 0;
}

.products-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 10px;
}

.products-note {
  font-size: 13px;
  color: #64748b;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.product-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
}

.product-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.product-body {
  padding: 11px;
}

.product-title {
  margin: 0 0 5px;
  font-size: 15px;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.sku {
  font-size: 12px;
  color: #64748b;
}

.price {
  font-size: 15px;
  font-weight: 700;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 14px 0;
}

ul {
  margin: 0;
  padding-left: 18px;
}

.footer {
  margin: 14px 0 28px;
  text-align: center;
  color: #64748b;
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero,
  .grid {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}