:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --surface: #f5f5f4;
  --line: #e5e5e3;
  --accent: #f26b1d;
  --accent-fg: #ffffff;
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111111;
    --fg: #f3f3f3;
    --muted: #a1a1aa;
    --surface: #1c1c1c;
    --line: #2a2a2a;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(32px, 5vw, 56px); font-weight: 800; }
h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 750; }
h3 { font-size: 19px; font-weight: 650; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.lead { font-size: clamp(18px, 2vw, 22px); color: var(--muted); max-width: 36em; }
.accent-fill { fill: var(--accent); }

.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.wrap.narrow { max-width: 720px; }
.section { padding: 64px 0; }
.section-alt { background: var(--surface); }
.section-head { margin-bottom: 24px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-row { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { color: var(--fg); text-decoration: none; display: inline-flex; }
.nav { display: flex; gap: 28px; }
.nav a { text-decoration: none; font-weight: 500; color: var(--fg); padding: 6px 0; }
.nav a:hover { color: var(--accent); }
.burger {
  display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer;
  flex-direction: column; justify-content: center; gap: 5px; padding: 10px;
}
.burger span { display: block; height: 2px; background: var(--fg); border-radius: 2px; }

/* hero */
.hero { padding: 72px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.hero-art { color: var(--fg); opacity: .9; max-width: 360px; margin-left: auto; }
.art-box { fill: var(--surface); stroke: currentColor; stroke-width: 8; }
.art-line { opacity: .85; }

.shops-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 20px; border-radius: var(--radius);
  background: var(--accent); color: var(--accent-fg);
  font-weight: 600; text-decoration: none; border: 0; cursor: pointer;
  font-size: 16px; line-height: 1;
}
.btn:hover { filter: brightness(.94); }
.btn:focus-visible, .chip:focus-visible, .nav a:focus-visible, .shop-mini:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px;
}
.btn.secondary { background: var(--surface); color: var(--fg); border: 1px solid var(--line); }
.mark {
  width: 24px; height: 24px; border-radius: 50%;
  display: inline-grid; place-items: center;
  background: rgba(255,255,255,.22); font-weight: 800; font-size: 13px; line-height: 1;
}
.btn.secondary .mark { background: var(--accent); color: #fff; }

/* catalog */
.catalog-tools { display: flex; flex-wrap: wrap; gap: 12px 16px; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--line); background: var(--surface); color: var(--fg);
  padding: 8px 14px; border-radius: 999px; cursor: pointer; font: inherit; font-size: 15px;
}
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.search input {
  width: min(320px, 100%); padding: 10px 14px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--bg); color: var(--fg); font: inherit; font-size: 15px;
}
.search input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
}
.card-img { aspect-ratio: 1 / 1; background: var(--surface); }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-cat { font-size: 13px; color: var(--muted); }
.card-name { font-weight: 550; font-size: 16px; line-height: 1.3; margin: 0; }
.card-price { font-weight: 750; font-size: 19px; margin-top: auto; }
.card-shops { display: flex; gap: 8px; }
.shop-mini {
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  background: var(--surface); border: 1px solid var(--line); color: var(--fg);
  text-decoration: none; font-weight: 800; font-size: 14px;
}
.shop-mini:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.catalog-status { margin-top: 24px; }

/* features */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.feature p { margin: 0; color: var(--muted); font-size: 16px; }

/* shop tiles */
.shop-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tile {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px;
  display: flex; flex-direction: column; gap: 14px; align-items: flex-start;
}
.tile-name { font-size: 24px; font-weight: 750; display: flex; align-items: center; gap: 12px; }
.tile-name .mark { width: 34px; height: 34px; font-size: 16px; background: var(--accent); color: #fff; }
.tile p { margin: 0; color: var(--muted); }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; font-size: 15px; color: var(--muted); }
.footer-row { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; justify-content: space-between; }
.footer-row p { margin: 0; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

/* responsive */
@media (max-width: 1000px) {
  .grid, .features { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .hero { padding: 48px 0 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-art { max-width: 220px; margin: 0; }
  .grid, .features { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .shop-tiles { grid-template-columns: 1fr; }
  .burger { display: flex; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 64px;
    flex-direction: column; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line);
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 16px; border-top: 1px solid var(--line); }
  .shops-row .btn { flex: 1 1 100%; justify-content: center; }
  .features { grid-template-columns: 1fr; }
}
@media (max-width: 400px) {
  body { font-size: 16px; }
  .card-body { padding: 10px 12px 12px; }
  .card-name { font-size: 15px; }
}