:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1e2430;
  --accent: #465eff;
  --accent-soft: #eef1ff;
  --border: #e3e7f1;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.hero {
  text-align: center;
  padding: 2.5rem 1rem 1.25rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 2vw + 1rem, 3rem);
}

.hero p {
  margin-top: 0.75rem;
  color: #4f5d78;
}

.page-content {
  width: min(1200px, 92vw);
  margin: 0 auto 3rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
}

.category-card,
.business-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: 0 6px 18px rgba(37, 48, 83, 0.08);
}

.category-card {
  cursor: pointer;
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.category-card:hover,
.category-card:focus-visible {
  transform: translateY(-2px);
  border-color: #b9c5ff;
  box-shadow: 0 10px 20px rgba(37, 48, 83, 0.12);
  outline: none;
}

.category-card.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.category-card h2 {
  margin: 0.35rem 0 0.5rem;
  font-size: 1.1rem;
}

.category-card p,
.business-card p {
  margin: 0.45rem 0;
  line-height: 1.45;
  font-size: 0.95rem;
}

.logo {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #ffffff;
  font-size: 1.6rem;
  border: 1px solid #dce1ff;
}

.results {
  margin-top: 1.5rem;
  background: #f9faff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
}

.results-header h3 {
  margin: 0;
}

.results-header p {
  margin-top: 0.35rem;
  color: #4f5d78;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.business-card h4 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.business-card strong {
  color: var(--accent);
}