:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #171717;
  background: #f7f7f5;
}
body { margin: 0; }
a { color: inherit; text-decoration: none; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid #dfded8;
  background: #ffffff;
}
.brand { font-weight: 760; }
nav { display: flex; gap: 18px; font-weight: 650; }
main { max-width: 1180px; margin: 0 auto; padding: clamp(28px, 5vw, 64px) clamp(18px, 4vw, 56px); }
.hero { max-width: 760px; margin-bottom: 42px; }
.eyebrow, .sku { color: #5f625c; font-size: 0.86rem; text-transform: uppercase; letter-spacing: 0; font-weight: 760; }
h1 { font-size: clamp(2.1rem, 4vw, 4.4rem); line-height: 1.02; letter-spacing: 0; margin: 10px 0 16px; }
h2 { font-size: 1.35rem; margin: 0 0 10px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.product-card, .product-detail, .cart-panel {
  background: #fff;
  border: 1px solid #dfded8;
  border-radius: 8px;
  padding: 22px;
}
.price { font-size: 1.2rem; font-weight: 760; }
button {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  padding: 0 16px;
  background: #111;
  color: #fff;
  font-weight: 760;
  cursor: pointer;
}
.facts { display: grid; gap: 12px; margin: 24px 0; }
.facts div { display: grid; gap: 4px; }
dt { color: #5f625c; font-size: 0.9rem; font-weight: 700; }
dd { margin: 0; overflow-wrap: anywhere; }
.cart-line { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; padding: 14px 0; border-bottom: 1px solid #ecebe5; }
.cart-total { margin: 22px 0; font-size: 1.2rem; }
.boundary { max-width: 640px; color: #5f625c; }
.transfer-payload {
  display: none;
  max-width: 100%;
  overflow: auto;
  padding: 14px;
  border-radius: 6px;
  background: #f1f0eb;
  color: #333;
}