:root {
  --a31-yellow: #FFEA00;
  --a31-yellow-dark: #F5C518;
  --a31-primary: #222222;
  --a31-nav: #FFEA00;
  --a31-accent: #FFEA00;
  --a31-purple: #6A1B9A;
  --a31-ink: #222222;
  --a31-muted: #666666;
  --a31-cream: #F5F5F5;
  --a31-white: #FFFFFF;
  --a31-border: #E0E0E0;
  --a31-link: #1a73e8;
  --a31-radius: 4px;
  --a31-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.a31-store {
  margin: 0;
  font-family: var(--font-body);
  color: var(--a31-ink);
  background: var(--a31-white);
  line-height: 1.5;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--a31-link); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1240px, 94vw); margin: 0 auto; }
.page-main { min-height: 50vh; padding-top: 0; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.section { padding: 2.5rem 0; }
.section-muted { background: #F8F8F8; }
.section-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; margin-bottom: 1.25rem;
}
.section-head h2 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--a31-ink);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.7rem 1.5rem; border-radius: 4px; font-weight: 700;
  border: 2px solid transparent; cursor: pointer; text-decoration: none !important;
  transition: background 0.15s, transform 0.15s;
}
.btn:hover { transform: translateY(-1px); text-decoration: none !important; }
.btn-primary { background: var(--a31-yellow); color: #000; border-color: var(--a31-yellow); }
.btn-primary:hover { background: var(--a31-yellow-dark); }
.btn-light { background: #fff; color: var(--a31-purple); border-color: #fff; }
.btn-soft { background: #f0f0f0; color: var(--a31-ink); }
.btn-sm { padding: 0.4rem 0.85rem; font-size: 0.875rem; }

.price { font-weight: 700; color: var(--a31-ink); }
.price s { color: var(--a31-muted); font-weight: 400; margin-right: 0.35rem; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1rem;
}
.product-card {
  background: #fff; border: 1px solid var(--a31-border); border-radius: var(--a31-radius);
  overflow: hidden; transition: box-shadow 0.2s;
}
.product-card:hover { box-shadow: var(--a31-shadow); }
.product-img { display: block; aspect-ratio: 1; background: #fafafa; position: relative; padding: 0.5rem; }
.product-img img { width: 100%; height: 100%; object-fit: contain; }
.product-badge, .a31-sale-tag {
  position: absolute; top: 8px; left: 8px; background: var(--a31-yellow);
  color: #000; font-size: 0.7rem; font-weight: 700; padding: 0.15rem 0.5rem;
  border-radius: 999px; z-index: 1;
}
.product-body { padding: 0.75rem 1rem 1rem; text-align: center; }
.product-cat { display: block; font-size: 0.72rem; color: var(--a31-muted); margin-bottom: 0.2rem; }
.product-body h3 { margin: 0 0 0.4rem; font-size: 0.88rem; line-height: 1.35; font-weight: 500; }
.product-body h3 a { color: var(--a31-link); text-decoration: none; }
.product-body h3 a:hover { text-decoration: underline; }
.product-foot { display: flex; align-items: center; justify-content: center; gap: 0.5rem; margin-top: 0.5rem; }

.empty-state { text-align: center; padding: 3rem 1rem; color: var(--a31-muted); }
.page-hero { padding: 1.5rem 0; background: #f5f5f5; border-bottom: 1px solid var(--a31-border); }
.page-hero h1 { margin: 0.25rem 0; font-size: 1.75rem; font-weight: 700; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.75rem; color: var(--a31-muted); font-weight: 600; }
.hero-lede { color: var(--a31-muted); max-width: 52ch; }

.catalog-layout { display: grid; grid-template-columns: 220px 1fr; gap: 2rem; padding: 2rem 0 3rem; }
.filter-panel { background: #fff; border: 1px solid var(--a31-border); border-radius: var(--a31-radius); padding: 1rem; height: fit-content; }
.filter-nav { display: grid; gap: 0.25rem; }
.filter-nav a { padding: 0.45rem 0.6rem; border-radius: 4px; color: var(--a31-ink); text-decoration: none; font-size: 0.9rem; }
.filter-nav a.active, .filter-nav a:hover { background: var(--a31-yellow); color: #000; }

.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; padding: 2rem 0 3rem; }
.product-gallery { background: #fafafa; border: 1px solid var(--a31-border); border-radius: var(--a31-radius); overflow: hidden; }
.product-gallery img { width: 100%; aspect-ratio: 1; object-fit: contain; padding: 1rem; }
.product-info h1 { font-size: 1.75rem; font-weight: 700; margin-top: 0; }

.checkout-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 2rem; padding: 2rem 0 3rem; }
.card-panel { background: #fff; border: 1px solid var(--a31-border); border-radius: var(--a31-radius); padding: 1.25rem; }
.form-row { margin-bottom: 1rem; }
.form-row label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.9rem; }
.form-row input, .form-row textarea, .form-row select {
  width: 100%; padding: 0.6rem 0.75rem; border: 1px solid var(--a31-border);
  border-radius: 4px; font: inherit;
}