:root {
  --bg: #f5f9ff;
  --card: #ffffff;
  --ink: #1c1917;
  --muted: #64748b;
  --line: #dce8f7;
  --brand: #5b9bd5;
  --brand-dark: #3b7bbd;
  --radius: 16px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1620;
    --card: #18222f;
    --ink: #f5f5f4;
    --muted: #a8a29e;
    --line: #263548;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}
a { color: inherit; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

.topbar { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; text-decoration: none; }
.logo-mark { width: 32px; height: 32px; border-radius: 9px; background: var(--brand); color: #fff; display: grid; place-items: center; }
.nav a { margin-left: 20px; text-decoration: none; color: var(--muted); font-weight: 600; }
.nav a:hover { color: var(--brand); }

.hero { padding: 64px 0 32px; text-align: center; }
.eyebrow { color: var(--brand); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; margin: 0 0 8px; }
.hero h1 { font-size: clamp(30px, 5vw, 52px); line-height: 1.1; margin: 0 0 16px; font-weight: 800; }
.lead { color: var(--muted); max-width: 620px; margin: 0 auto 28px; font-size: 17px; }
.search input {
  width: 100%; max-width: 520px; padding: 14px 18px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink); font: inherit; font-size: 16px;
  box-shadow: 0 6px 24px rgba(0,0,0,.05);
}
.search input:focus { outline: 2px solid var(--brand); outline-offset: 2px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 16px 0 28px; }
.chip { border: 1px solid var(--line); background: var(--card); color: var(--ink); padding: 8px 16px; border-radius: 999px; font: inherit; font-weight: 600; cursor: pointer; }
.chip[aria-selected="true"] { background: var(--brand); border-color: var(--brand); color: #fff; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,.08); }
.card-img { aspect-ratio: 1; background: var(--line); position: relative; }
.card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.badge { position: absolute; top: 10px; left: 10px; background: var(--brand); color: #fff; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-cat { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.card-title { font-weight: 700; font-size: 16px; margin: 0; }
.card-desc { color: var(--muted); font-size: 14px; margin: 0; flex: 1; }
.price { display: flex; align-items: baseline; gap: 8px; margin-top: 4px; }
.price b { font-size: 18px; color: var(--brand-dark); }
.price s { color: var(--muted); font-size: 13px; }
@media (prefers-color-scheme: dark) { .price b { color: var(--brand); } }
.rating { font-size: 13px; color: var(--muted); }
.btn { margin-top: 10px; display: block; text-align: center; background: var(--brand); color: #fff; text-decoration: none; font-weight: 700; padding: 11px; border-radius: 12px; }
.btn:hover { background: var(--brand-dark); }
.store { font-size: 12px; color: var(--muted); text-align: center; }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }
.about { margin-top: 72px; padding: 56px 0; background: var(--card); border-top: 1px solid var(--line); }
.about h2 { margin-top: 0; }
.disclosure { font-size: 14px; color: var(--muted); border-left: 3px solid var(--brand); padding-left: 12px; }
.footer { padding: 24px 0; color: var(--muted); font-size: 14px; text-align: center; }