:root {
  --bg: #fafafa;
  --text: #111;
  --muted: #666;
  --border: #e5e5e5;
  --card: #fff;
  --accent: #111;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.site-shell { min-height: 100vh; display: flex; flex-direction: column; }
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(250,250,250,0.8);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 10;
}
.brand-lockup { max-width: 1200px; margin: 0 auto; padding: 18px 24px; }
.brand {
  font-weight: 800; font-size: 22px; text-decoration: none; color: var(--text); letter-spacing: -0.02em;
}
.brand-tagline { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.top-nav {
  max-width: 1200px; margin: 0 auto; padding: 0 24px 14px;
  display: flex; gap: 18px; font-size: 14px;
}
.top-nav a { color: var(--muted); text-decoration: none; }
.top-nav a:hover { color: var(--text); }
.page-shell { flex: 1; max-width: 1200px; margin: 0 auto; padding: 32px 24px; width: 100%; }
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--muted);
  max-width: 1200px; margin: 0 auto; width: 100%;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: transform .15s ease, box-shadow .15s ease;
}
.product-card:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,0.06); }
.product-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
.product-card-body { padding: 16px; }
.product-card h3 { margin: 0 0 6px; font-size: 15px; font-weight: 600; line-height: 1.3; }
.product-card .price { font-weight: 700; font-size: 16px; }
.product-card .actions { margin-top: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 16px; border-radius: 10px; font-size: 14px; font-weight: 600;
  cursor: pointer; border: none; width: 100%;
}
.btn-primary { background: var(--text); color: #fff; }
.btn-primary:hover { background: #333; }
.status-card { padding: 60px 20px; text-align: center; color: var(--muted); }
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.product-detail img { width: 100%; border-radius: 14px; border: 1px solid var(--border); }
.product-detail h1 { margin: 0 0 12px; font-size: 28px; }
.product-detail .price { font-size: 24px; font-weight: 700; }
.product-detail .desc { color: var(--muted); line-height: 1.6; margin-top: 16px; }
.back-link { display: inline-block; margin-bottom: 20px; color: var(--muted); text-decoration: none; }
.thank-you { text-align: center; padding: 80px 20px; }
.thank-you h1 { font-size: 32px; margin-bottom: 12px; }