/* ===== Reset ===== */
body, h1, h2, p, div, section {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== Base ===== */
body {
  font-family: system-ui, sans-serif;
  background: #f6f8fb;
  color: #222;
  line-height: 1.6;
  padding: 1.5rem;
}

.site-header {
  text-align: center;
  margin-bottom: 2rem;
}

.site-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: #2c3e50;
}

.site-header p {
  color: #455a64;
}

/* ===== Grid ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== Card ===== */
.card {
  background: #ffffff;
  border-radius: 14px;
  padding: 1.2rem 1.4rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.09);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border-left: 5px solid #a7c8ff;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}

.card h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: #1a237e;
}

.card-category {
  font-size: 0.8rem;
  font-weight: 600;
  color: #546e7a;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-prevalence {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: #455a64;
  font-style: italic;
}


.card p {
  font-size: 0.9rem;
  color: #333;
}

/* ===== Footer ===== */
.site-footer {
  text-align: center;
  padding: 2rem 0 1rem;
  font-size: 0.85rem;
  color: #607d8b;
}

/* ===== Print-friendly (4 per page) ===== */
@media print {
  body {
    background: white;
  }

  .cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 × 2 = 4 per page */
    gap: 1rem;
    page-break-inside: avoid;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }
}