:root {
  --green: #1f4d3a;
  --green-soft: #2e7d32;
  --sand: #e9e2d5;
  --ink: #1f2328;
  --white: #ffffff;
  --muted: #6b7280;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f4f5f2;
  color: var(--ink);
}
.container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.topbar { background: #fff; border-bottom: 1px solid #ddd; }
.topbar-inner { display: flex; align-items: center; gap: 18px; padding: 14px 0; }
.brand { color: var(--green); font-weight: 800; font-size: 24px; text-decoration: none; }
.search { display: flex; gap: 8px; flex: 1; }
.search input { flex: 1; border: 1px solid #ccc; border-radius: 6px; padding: 10px 12px; }
.search button { border: 0; background: var(--green); color: #fff; padding: 10px 14px; border-radius: 6px; cursor: pointer; }
.subnav { background: #4b5136; color: #fff; font-size: 14px; }
.subnav .container { display: flex; gap: 16px; padding: 10px 20px; align-items: center; }
.subnav a { color: #fff; text-decoration: none; opacity: 0.9; }
.main { padding: 26px 20px 40px; }
.hero { background: #fff; border: 1px solid #e5e7eb; border-radius: 12px; padding: 20px; margin-bottom: 18px; }
.hero h1 { margin: 0 0 8px; font-size: 30px; }
.hero p { margin: 0; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.card h3 { margin: 0; font-size: 18px; min-height: 54px; }
.price { font-family: "JetBrains Mono", "Fira Code", monospace; font-weight: 700; color: var(--green-soft); }
.meta { margin: 0; color: var(--muted); font-size: 14px; }
.btn { align-self: flex-start; background: var(--green); color: #fff; text-decoration: none; padding: 8px 12px; border-radius: 8px; }
.product-head { background: #fff; border: 1px solid #e5e7eb; border-radius: 10px; padding: 18px; margin-bottom: 12px; }
.postcode { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; }
.postcode input { border: 1px solid #ccc; border-radius: 6px; padding: 8px 10px; width: 140px; }
.postcode button { border: 0; background: var(--green); color: #fff; padding: 9px 12px; border-radius: 6px; }
.offers { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid #e5e7eb; border-radius: 10px; overflow: hidden; }
.offers th, .offers td { padding: 10px; border-bottom: 1px solid #f0f0f0; text-align: left; font-size: 14px; }
.offers th { background: #f8f8f8; }
@media (max-width: 768px) {
  .topbar-inner { flex-direction: column; align-items: stretch; }
  .subnav .container { flex-wrap: wrap; }
  .offers { font-size: 12px; }
}