body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f4f6f8;
  color: #333;
}

.top {
  background: #111827;
  color: #fff;
  padding: 30px;
  text-align: center;
}

.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  padding: 30px;
}

.kpi {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0,0,0,.08);
}

.kpi strong {
  font-size: 24px;
  color: #2563eb;
}

.charts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  padding: 0 30px 30px;
}

.chart-box {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,.08);
}

footer {
  text-align: center;
  padding: 20px;
}

footer a {
  text-decoration: none;
  color: #2563eb;
  font-weight: bold;
}