/* ===== CSS RESET ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== ROOT ===== */
:root {
  --primary-color: #2c7be5;
  --text-color: #333;
  --bg-color: #f9f9f9;
}

/* ===== GLOBAL ===== */
body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
}

/* ===== LAYOUT ===== */
header,
footer {
  background: var(--primary-color);
  color: #fff;
  padding: 1rem;
  text-align: center;
}

main {
  padding: 1.5rem;
}